Author SHA1 Message Date
jens 4cdc7a5f77 This commit was manufactured by cvs2svn to create tag 'MIPS_R10a'.
git-svn-id: http://moon:8086/svn/vhdl/tags/MIPS_R10a@335 cc03376c-175c-47c8-b038-4cd826a8556b
2009-02-09 10:25:51 +00:00
584 changed files with 98562 additions and 52412 deletions
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; -------------------------------------------------
; PROJECT "dctest"
; -------------------------------------------------
include "../../../jasm/cregs.inc.jsm"
; -------------------------------------------------
xmem
org 4
konst: dc 0x01, 0x12,"A"
gap1: db 16
mesg: dc "Hallo", 13,0x0A, 0
name: dc "Jens",0
msg1: dc "Welcome to JASM CPU",0
msg2: dc "Ready",0
msg3: dc "Testing",0
msg4: dc "Passed",0
msg5: dc "Error",0
crlf: dc 0x0D, 0x0A
org 0x00
shit: db 4
cmem 0
org 8
cram1: db 16
cram2: db 6
cram3: db 4
cmem 1
cram4: db 8
cram5: db 8
org 0x20
cram6: db 8
cram7: db 4
reg_revision: equ 0x00
reg_testid: equ 0x01
; -------------------------------------------------
code
org 0x000
reset: jmp start
; -------------------------------------------------
org 0x001
int_vec: jmp isr
; -------------------------------------------------
org 0x010
start: jmp start
; -------------------------------------------------
isr: reti
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# ----------------------------------------------------------------------
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: The ROM file for upload to target over JTAG
#
# Copyright (C) 2007 J. Ahrensfeld
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For questions and ideas, please contact the author at jens@jayfield.org
#
# ---------------------------------------------------------------------
# ---------------------------------------------------------------------
# For Chipscope 9.1
# ---------------------------------------------------------------------
# Source JTAG/TCL frame work
cd $env(CHIPSCOPE)\\bin\\nt
source csejtag.tcl
namespace import ::chipscope::*
# Platform USB Cable
set PLATFORM_USB_CABLE_ARGS [list "port=USB2" "frequency=6000000"]
# frequency="24000000 | 12000000 | 6000000 | 3000000 | 1500000 | 750000"
# Create session
set handle [::chipscope::csejtag_session create 0]
# Open JTAG and lock
set open_result [::chipscope::csejtag_target open $handle $CSEJTAG_TARGET_PLATFORMUSB 0 $PLATFORM_USB_CABLE_ARGS]
set lock_result [::chipscope::csejtag_target lock $handle 1000]
set devlist [::chipscope::csejtag_tap autodetect_chain $handle $CSEJTAG_SCAN_DEFAULT]
# Get Device ID
set devtype "Virtex-4SX"
set devid 2
set irlength [::chipscope::csejtag_tap get_irlength $handle $devid]
set idcode [::chipscope::csejtag_tap get_device_idcode $handle $devid]
set CSE_OP $CSEJTAG_SHIFT_READWRITE
set CSE_ES $CSEJTAG_RUN_TEST_IDLE
# Write Program
# JASM_ROM_INSERT_HERE
# Assembled from dctest.jsm
# ---------------------------------------------------------------
# Shift the USER2 Instruction (b1111000010) into the Instruction Register of FPGA
# User 1
set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength "3C2"]
# 0x000: JMP 0x010
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00030010"
# 0x001: JMP 0x011
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00130011"
# 0x002:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00200000"
# 0x003:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00300000"
# 0x004:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00400000"
# 0x005:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00500000"
# 0x006:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00600000"
# 0x007:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00700000"
# 0x008:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00800000"
# 0x009:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00900000"
# 0x00A:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00A00000"
# 0x00B:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00B00000"
# 0x00C:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00C00000"
# 0x00D:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00D00000"
# 0x00E:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00E00000"
# 0x00F:
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00F00000"
# 0x010: JMP 0x010
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01030010"
# 0x011: RETI
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0113F000"
# Assembled from dctest.jsm
# ---------------------------------------------------------------
# Shift the USER2 Instruction (b1111000011) into the Instruction Register of FPGA
# User 2
set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength "3C3"]
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0000"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0100"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0200"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0300"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0401"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0512"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0641"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0700"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0800"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0900"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0A00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0B00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0C00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0D00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0E00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "0F00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1000"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1100"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1200"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1300"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1400"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1500"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1600"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1748"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1861"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "196C"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1A6C"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1B6F"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1C0D"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1D0A"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1E00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "1F4A"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2065"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "216E"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2273"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2300"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2457"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2565"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "266C"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2763"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "286F"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "296D"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2A65"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2B20"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2C74"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2D6F"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2E20"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "2F4A"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3041"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3153"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "324D"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3320"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3443"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3550"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3655"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3700"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3852"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3965"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3A61"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3B64"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3C79"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3D00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3E54"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "3F65"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4073"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4174"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4269"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "436E"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4467"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4500"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4650"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4761"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4873"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4973"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4A65"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4B64"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4C00"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4D45"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4E72"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "4F72"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "506F"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "5172"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "5200"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "530D"
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 16 "540A"
::chipscope::csejtag_target unlock $handle
::chipscope::csejtag_target close $handle
::chipscope::csejtag_session destroy $handle
exit
+858
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; -------------------------------------------------
; PROJECT "itest"
; -------------------------------------------------
include "../../../jasm/cregs.inc.jsm"
; -------------------------------------------------
xmem
msg: dc "Hallo", 0
xram: db 256
cmem 0
cram: db 256
reg_revision: equ 0x00
reg_testid: equ 0x01
; -------------------------------------------------
code
org 0x000
reset: jmp start
; -------------------------------------------------
org 0x001
int_vec: jmp isr
; -------------------------------------------------
org 0x010
start: call init
cin R0, (cpu_revision)
xout (reg_revision), R0
; Test 0
call test0
; Test 1
mov R0, 1
xout (reg_testid), R0
call test1
; Test 2
mov R0, 2
xout (reg_testid), R0
call test2
; Test 3
mov R0, 3
xout (reg_testid), R0
call test3
; Test 4
mov R0, 4
xout (reg_testid), R0
call test4
; Test 5
mov R0, 5
xout (reg_testid), R0
call test5
; Test 6
mov R0, 6
xout (reg_testid), R0
call test6
; Test 7
mov R0, 7
xout (reg_testid), R0
call test7
; Test 8
mov R0, 8
xout (reg_testid), R0
call test8
; Test 9
mov R0, 9
xout (reg_testid), R0
call test9
; Test 10
mov R0, 10
xout (reg_testid), R0
call test10
; Test 11
mov R0, 11
xout (reg_testid), R0
call test11
; Test 12
mov R0, 12
xout (reg_testid), R0
call test12
; End of test
mov R0, 0xFF
xout (reg_testid), R0
jmp ok
; -------------------------------------------------
init: mov R0, 0
mov R1, 0
mov R2, 0
mov R3, 0
mov R4, 0
mov R5, 0
mov R6, 0
mov R7, 0
mov R8, 0
mov R9, 0
mov R10, 0
mov R11, 0
mov R12, 0
mov R13, 0
mov R14, 0
mov R15, 0
ret
; -------------------------------------------------
; MOV|R|K
; MOV|R|R
test0: mov R0, 0x10
cmp R0, 0x10
jne error
add R0, 1
mov R1, R0
cmp R1, 0x11
jne error
add R1, 1
mov R2, R1
cmp R2, 0x12
jne error
add R2, 1
mov R3, R2
cmp R3, 0x13
jne error
add R3, 1
mov R4, R3
cmp R4, 0x14
jne error
add R4, 1
mov R5, R4
cmp R5, 0x15
jne error
add R5, 1
mov R6, R5
cmp R6, 0x16
jne error
add R6, 1
mov R7, R6
cmp R7, 0x17
jne error
add R7, 1
mov R8, R7
cmp R8, 0x18
jne error
add R8, 1
mov R9, R8
cmp R9, 0x19
jne error
add R9, 1
mov R10, R9
cmp R10, 0x1A
jne error
add R10, 1
mov R11, R10
cmp R11, 0x1B
jne error
add R11, 1
mov R12, R11
cmp R12, 0x1C
jne error
add R12, 1
mov R13, R12
cmp R13, 0x1D
jne error
add R13, 1
mov R14, R13
cmp R14, 0x1E
jne error
add R14, 1
mov R15, R14
cmp R15, 0x1F
jne error
add R15, 1
ret
; -------------------------------------------------
; Instruction test
; TST|R
; CMP|R|K
; JNZ|K
; JC|K
; JNE|K
; JLT|K
; JGT|K
; JLE|K
; JGE|K
; JMP|K
test1: mov R0, 0 ; R0 <= 0
tst R0
jnz error
jc error
cmp R0, 0
jne error
jlt error
jgt error
jle t1_ok10
jmp error
t1_ok10: jeq t1_ok20
jmp error
t1_ok20: jge t1_ok30
jmp error
t1_ok30: cmp R0, 0x55
jeq error
jlt t1_ok40
jmp error
t1_ok40: jle t1_ok50
jmp error
t1_ok50: jge error
jgt error
mov R0, 0x55 ; R0 <= 0xAA
tst R0
jz error
jc error
cmp R0, 0xAA
jeq error
jne t1_ok60
jmp error
t1_ok60: jlt t1_ok70
jmp error
t1_ok70: jle t1_ok80
jmp error
t1_ok80: jgt error
cmp R0, 0x55
jeq t1_ok90
jmp error
t1_ok90: jne error
jlt error
jle t1_ok100
jmp error
t1_ok100: jgt error
jge t1_ok110
jmp error
t1_ok110: mov R0, 0xAA ; R0 <= 0x55
tst R0
jz error
jc error
cmp R0, 0x55
jeq error
jne t1_ok120
jmp error
t1_ok120: jgt t1_ok130
jmp error
t1_ok130: jge t1_ok140
jmp error
t1_ok140: jlt error
jle error
ret
; -------------------------------------------------
; ADD|R|K
; ADDC|R|K
; ToDo: ADD|R|R
; ToDo: ADDC|R|R
; CMP|R|R
test2: mov R0, 0
mov R1, 0
mov R2, R0
mov R3, R1
t2_loop: add R0, 0x01
addc R1, 0x00
add R2, 1
cmp R2, 0
jne t2_L1
add R3, 1
cmp R3, 0x02
t2_L1: jne t2_loop
cmp R0, R2
jne error
cmp R1, R3
jne error
mov R0, 0
ret
; -------------------------------------------------
; SUB|R|K
; SUBC|R|K
; ToDo: SUB|R|R
; ToDo: SUBC|R|R
; CMP|R|R
test3: mov R0, 0x00
mov R1, 0x03
mov R2, R0
mov R3, R1
t3_loop: sub R0, 0x01
subc R1, 0x00
sub R2, 1
cmp R2, 0xFF
jne t3_L1
sub R3, 1
cmp R3, 0x00
t3_L1: jne t3_loop
cmp R0, R2
jne error
cmp R1, R3
jne error
mov R0, 0
ret
; -------------------------------------------------
; SUB|K|R
; SUB|R|R
; SUBC|R|R
; SUBC|K|R
; CMP|R|R
test4: mov R0, 0x03
mov R1, 0x05
sub 0x05, R0
sub R1, 0x03
cmp R0, R1
jne error
mov R0, 0x03
mov R1, 0x05
sub R0, R1
subc 0, R0
cmp R0, 0x01
jne error
add R0, 0
subc R1, R0
cmp R1, 0x04
jne error
mov R0, 0
ret
; -------------------------------------------------
; MOVC|R|Ri
; MOVC|R|Ki
; MOVC|Ri|R
; MOVC|Ri|K
; MOVC|Ki|R
test5: mov R0, 1
movc (cram+0x5A), R0
dec R0
movc (cram+0), R0
movc R1, (cram+0x5A)
movc (R1), 0xA5
movc R0, (R1)
movc R1, (R1)
add R1, 0xFF-0xA5
movc R0, (R1)
t5_loop1: movc (R0), R0
movc R2, (R0)
cmp R2, R0
jne error
movc (R2), R1
movc R2, (R2)
cmp R2, R1
jne error
dec R1
inc R0
jnz t5_loop1
ret
; -------------------------------------------------
; MOVX|R|Ri
; MOVX|R|Ki
; MOVX|Ri|R
; MOVX|Ri|K
; MOVX|Ki|R
test6: mov R0, 1
movx (xram+0x5A), R0
dec R0
movx (xram+0), R0
movx R1, (xram+0x5A)
movx (R1), 0xA5
movx R0, (R1)
movx R1, (R1)
add R1, 0xFF-0xA5
movx R0, (R1)
t6_loop1: movx (R0), R0
movx R2, (R0)
cmp R2, R0
jne error
movx (R2), R1
movx R2, (R2)
cmp R2, R1
jne error
dec R1
inc R0
jnz t6_loop1
ret
; -------------------------------------------------
; PUSH|R
; POP|R
test7: mov R0, 0xAA
mov R1, 0
t7_loop1: push R0
inc R0
dec R1
jnz t7_loop1
t7_loop2: pop R0
dec R1
jnz t7_loop2
cmp R0, 0xAA
jne error
ret
; -------------------------------------------------
; JMP|K
; CALL|K
; RET
test8: mov R0, 0x55
push R0
mov R0, 0
mov R1, 0xFF
call t8_rec
pop R0
cmp R0, 0x55
jne error
; Stack manipulations 1
mov R0, return1'high
mov R1, return1'low
cout (cpu_stack_high), R0
push R1
mov R0, init'high
mov R1, init'low
cout (cpu_stack_high), R0
push R1
ret
; Stack manipulations 2
return1: mov R0, return2'high
mov R1, return2'low
cout (cpu_stack_high), R0
push R1
mov R0, init'high
mov R1, init'low
cout (cpu_stack_high), R0
push R1
return2: ret
t8_rec: cmp R0, R1
jeq ex_t8_rec
inc R0
jmp t8_rstub
ex_t8_rec: dec R0
dec R1
ret
t8_rstub: call t8_rec
jmp ex_t8_rec
; -------------------------------------------------
; SWAP|R
; SHL|R
; SHR|R
; ROL|R
; ROR|R
; ROLC|R
; RORC|R
test9: mov R0, 0xA5 ; SWAP test
mov R1, 0x5A
swap R0
cmp R0, 0x5A
jne error
swap R0
cmp R0, 0xA5
jne error
mov R0, 0xD2
swap R0
cmp R0, 0x2D
jne error
swap R1
cmp R0, 0x2D
jne error
cmp R1, 0xA5
jne error
mov R0, 0x2D
shl R0 ; SHL test
cmp R0, 0x5A
jne error
shl R0
cmp R0, 0xB4
jne error
shl R0
cmp R0, 0x68
jne error
shl R0
cmp R0, 0xD0
jne error
shl R0
cmp R0, 0xA0
jne error
shl R0
cmp R0, 0x40
jne error
shl R0
cmp R0, 0x80
jne error
shl R0
cmp R0, 0x00
jne error
mov R1, 0x84
shr R1 ; SHR test
cmp R1, 0x42
jne error
shr R1
cmp R1, 0x21
jne error
shr R1
cmp R1, 0x10
jne error
shr R1
cmp R1, 0x08
jne error
shr R1
cmp R1, 0x04
jne error
shr R1
cmp R1, 0x02
jne error
shr R1
cmp R1, 0x01
jne error
shr R1
cmp R1, 0x00
jne error
mov R0, 0xC5 ; ROL test
rol R0
cmp R0, 0x8B
jne error
rol R0
cmp R0, 0x17
jne error
rol R0
cmp R0, 0x2E
jne error
rol R0
cmp R0, 0x5C
jne error
rol R0
cmp R0, 0xB8
jne error
rol R0
cmp R0, 0x71
jne error
rol R0
cmp R0, 0xE2
jne error
rol R0
cmp R0, 0xC5
jne error
mov R1, 0x63 ; ROR test
ror R1
cmp R1, 0xB1
jne error
ror R1
cmp R1, 0xD8
jne error
ror R1
cmp R1, 0x6C
jne error
ror R1
cmp R1, 0x36
jne error
ror R1
cmp R1, 0x1B
jne error
ror R1
cmp R1, 0x8D
jne error
ror R1
cmp R1, 0xC6
jne error
ror R1
cmp R1, 0x63
jne error
xor R0, R0 ; ROLC generate
mov R0, 0xC5
rolc R0
push R0
rolc R0
push R0
rolc R0
push R0
rolc R0
push R0
rolc R0
push R0
rolc R0
push R0
rolc R0
push R0
rolc R0
push R0
rolc R0
cmp R0, 0xC5 ; ROLC verify
jne error
pop R0
cmp R0, 0x62
jne error
pop R0
cmp R0, 0xB1
jne error
pop R0
cmp R0, 0x58
jne error
pop R0
cmp R0, 0xAC
jne error
pop R0
cmp R0, 0x56
jne error
pop R0
cmp R0, 0x2B
jne error
pop R0
cmp R0, 0x15
jne error
pop R0
cmp R0, 0x8A
jne error
xor R1, R1 ; RORC generate
mov R1, 0x63
rorc R1
push R1
rorc R1
push R1
rorc R1
push R1
rorc R1
push R1
rorc R1
push R1
rorc R1
push R1
rorc R1
push R1
rorc R1
push R1
rorc R1
cmp R1, 0x63 ; RORC verify
jne error
pop R1
cmp R1, 0xC6
jne error
pop R1
cmp R1, 0x8C
jne error
pop R1
cmp R1, 0x19
jne error
pop R1
cmp R1, 0x33
jne error
pop R1
cmp R1, 0x66
jne error
pop R1
cmp R1, 0xCC
jne error
pop R1
cmp R1, 0x98
jne error
pop R1
cmp R1, 0x31
jne error
ret
; -------------------------------------------------
; AND|R|R
; AND|R|K
; OR|R|R
; OR|R|K
; XOR|R|R
; XOR|R|K
test10: mov R0, 0xA5 ; AND
swap R0
push R0
and R0, 0x0F
cmp R0, 0x0A
jne error
pop R0
push R0
and R0, 0x0F
cmp R0, 0x0A
pop R1
jne error
swap R1
mov R2, 0x0F
and R1, R2
cmp R1, 0x05
jne error
mov R0, 0x05 ; OR
mov R2, 0xA0
swap R0
or R2, R0
cmp R2, 0xF0
jne error
swap R0
or R0, 0x50
cmp R0, 0x55
jne error
mov R1, 0x01
mov R0, 0x01
xor R0, 0x01
jnz error
xor R0, R1
cmp R0, 0x01
jne error
ret
; -------------------------------------------------
test11:
mov R0, 0x03
cout (cpu_int_ctrl), R0
xin R0, (2)
or R0, 1
xout (2), R0
nop
nop
nop
nop
nop
nop
xin R0, (2)
and R0, 0xFE
xout (2), R0
nop
nop
nop
nop
cin R0, (cpu_int_ctrl)
or R0, 0x80
cout (cpu_int_ctrl), R0
nop
cin R0, (cpu_int_ctrl)
or R0, 0x80
cout (cpu_int_ctrl), R0
nop
cin R0, (cpu_int_ctrl)
or R0, 0x80
cout (cpu_int_ctrl), R0
nop
cin R0, (cpu_int_ctrl)
or R0, 0x80
cout (cpu_int_ctrl), R0
nop
nop
nop
nop
nop
nop
nop
nop
nop
ret
; -------------------------------------------------
; Tests clrc, setc
test12: sub R0, 0
jc error
setc
jnc error
nop
sub R0, 0
jc error
mov R0, 0
clrc
jc error
setc
jnc error
nop
clrc
jc error
ret
; -------------------------------------------------
isr: inc R14
reti
; -------------------------------------------------
org 0x3FF
error: jmp error
; -------------------------------------------------
org 0x2FF
ok: jmp ok
; -------------------------------------------------
File diff suppressed because it is too large Load Diff
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; -------------------------------------------------
; Constants
; -------------------------------------------------
; Chip register
include "../../../jasm/cregs.inc.jsm"
; -------------------------------------------------
; Program
; -------------------------------------------------
code
org 0x000
reset: jmp init
; -------------------------------------------------
; Main
; -------------------------------------------------
init: mov R0, 0x45
mov R1, 0xF5
call mul8x8
stop: jmp stop
; -------------------------------------------------
include "../../../jasm/mul8x8.inc.jsm"
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# ----------------------------------------------------------------------
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: The ROM file for upload to target over JTAG
#
# Copyright (C) 2007 J. Ahrensfeld
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For questions and ideas, please contact the author at jens@jayfield.org
#
# ---------------------------------------------------------------------
# ---------------------------------------------------------------------
# For Chipscope 9.1
# ---------------------------------------------------------------------
# Source JTAG/TCL frame work
cd $env(CHIPSCOPE)\\bin\\nt
source csejtag.tcl
namespace import ::chipscope::*
# Platform USB Cable
set PLATFORM_USB_CABLE_ARGS [list "port=USB2" "frequency=6000000"]
# frequency="24000000 | 12000000 | 6000000 | 3000000 | 1500000 | 750000"
# Create session
set handle [::chipscope::csejtag_session create 0]
# Open JTAG and lock
set open_result [::chipscope::csejtag_target open $handle $CSEJTAG_TARGET_PLATFORMUSB 0 $PLATFORM_USB_CABLE_ARGS]
set lock_result [::chipscope::csejtag_target lock $handle 1000]
set devlist [::chipscope::csejtag_tap autodetect_chain $handle $CSEJTAG_SCAN_DEFAULT]
# Get Device ID
set devtype "Virtex-4SX"
set devid 2
set irlength [::chipscope::csejtag_tap get_irlength $handle $devid]
set idcode [::chipscope::csejtag_tap get_device_idcode $handle $devid]
set CSE_OP $CSEJTAG_SHIFT_READWRITE
set CSE_ES $CSEJTAG_RUN_TEST_IDLE
# Write Program
# JASM_ROM_INSERT_HERE
# Assembled from mul8x8.jsm
# ---------------------------------------------------------------
# Shift the USER2 Instruction (b1111000010) into the Instruction Register of FPGA
# User 1
set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength "3C2"]
# 0x000: JMP 0x001
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00030001"
# 0x001: MOV R00, 0x45
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00103450"
# 0x002: MOV R01, 0xF5
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00203F51"
# 0x003: CALL 0x005
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0033B005"
# 0x004: JMP 0x004
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00430004"
# 0x005: PUSH R02
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0053C002"
# 0x006: PUSH R03
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0063C003"
# 0x007: PUSH R04
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0073C004"
# 0x008: MOV R04, R01
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00802014"
# 0x009: MOV R01, 0x00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00903001"
# 0x00A: MOV R02, 0x00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00A03002"
# 0x00B: MOV R03, 0x00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00B03003"
# 0x00C: CMP R04, 0x01
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00C0F014"
# 0x00D: JEQ 0x015
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00D39015"
# 0x00E: SHR R04
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00E1F004"
# 0x00F: JNC 0x012
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00F34012"
# 0x010: ADD R02, R00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01010002"
# 0x011: ADDC R03, R01
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01112013"
# 0x012: SHL R00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0121E000"
# 0x013: ROLC R01
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01322001"
# 0x014: JMP 0x00C
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0143000C"
# 0x015: ADD R00, R02
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01510020"
# 0x016: ADDC R01, R03
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01612031"
# 0x017: POP R04
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0173D004"
# 0x018: POP R03
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0183D003"
# 0x019: POP R02
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0193D002"
# 0x01A: RET
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01A3E000"
# Assembled from mul8x8.jsm
# ---------------------------------------------------------------
# Shift the USER2 Instruction (b1111000011) into the Instruction Register of FPGA
# User 2
set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength "3C3"]
::chipscope::csejtag_target unlock $handle
::chipscope::csejtag_target close $handle
::chipscope::csejtag_session destroy $handle
exit
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; -------------------------------------------------
; Constants
; -------------------------------------------------
; Chip register
cpu_revision: equ 0x00 ; RO
cpu_control: equ 0x01 ; R/W
cpu_status: equ 0x02 ; RO
cpu_int_ctrl: equ 0x03 ; R/W
; -------------------------------------------------
; Program
; -------------------------------------------------
code
reset: jmp init
org 0x001
; nop
reti
; -------------------------------------------------
; Main
; -------------------------------------------------
init: mov R0, 0x05
cout (cpu_int_ctrl), R0
mov R0, 0x00
loop: nop
inc R0
nop
call subr
nop
push R3
nop
push R2
nop
push R1
nop
push R0
nop
pop R0
nop
pop R1
nop
pop R2
nop
pop R3
nop
jmp loop
subr: ret
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# ----------------------------------------------------------------------
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: The ROM file for upload to target over JTAG
#
# Copyright (C) 2007 J. Ahrensfeld
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For questions and ideas, please contact the author at jens@jayfield.org
#
# ---------------------------------------------------------------------
# ---------------------------------------------------------------------
# For Chipscope 9.1
# ---------------------------------------------------------------------
# Source JTAG/TCL frame work
cd $env(CHIPSCOPE)\\bin\\nt
source csejtag.tcl
namespace import ::chipscope::*
# Platform USB Cable
set PLATFORM_USB_CABLE_ARGS [list "port=USB2" "frequency=6000000"]
# frequency="24000000 | 12000000 | 6000000 | 3000000 | 1500000 | 750000"
# Create session
set handle [::chipscope::csejtag_session create 0]
# Open JTAG and lock
set open_result [::chipscope::csejtag_target open $handle $CSEJTAG_TARGET_PLATFORMUSB 0 $PLATFORM_USB_CABLE_ARGS]
set lock_result [::chipscope::csejtag_target lock $handle 1000]
set devlist [::chipscope::csejtag_tap autodetect_chain $handle $CSEJTAG_SCAN_DEFAULT]
# Get Device ID
set devtype "Virtex-4SX"
set devid 2
set irlength [::chipscope::csejtag_tap get_irlength $handle $devid]
set idcode [::chipscope::csejtag_tap get_device_idcode $handle $devid]
set CSE_OP $CSEJTAG_SHIFT_READWRITE
set CSE_ES $CSEJTAG_RUN_TEST_IDLE
# Write Program
# JASM_ROM_INSERT_HERE
# Assembled from reti_issue.jsm
# ---------------------------------------------------------------
# Shift the USER2 Instruction (b1111000010) into the Instruction Register of FPGA
# User 1
set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength "3C2"]
# 0x000: JMP 0x002
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00030002"
# 0x001: RETI
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0013F000"
# 0x002: MOV R00, 0x05
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00203050"
# 0x003: COUT (0x03), R00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00326030"
# 0x004: MOV R00, 0x00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00403000"
# 0x005: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00500000"
# 0x006: INC R00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00611010"
# 0x007: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00700000"
# 0x008: CALL 0x01B
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0083B01B"
# 0x009: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00900000"
# 0x00A: PUSH R03
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00A3C003"
# 0x00B: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00B00000"
# 0x00C: PUSH R02
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00C3C002"
# 0x00D: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00D00000"
# 0x00E: PUSH R01
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00E3C001"
# 0x00F: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "00F00000"
# 0x010: PUSH R00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0103C000"
# 0x011: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01100000"
# 0x012: POP R00
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0123D000"
# 0x013: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01300000"
# 0x014: POP R01
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0143D001"
# 0x015: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01500000"
# 0x016: POP R02
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0163D002"
# 0x017: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01700000"
# 0x018: POP R03
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "0183D003"
# 0x019: NOP
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01900000"
# 0x01A: JMP 0x005
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01A30005"
# 0x01B: RET
::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 32 "01B3E000"
# Assembled from reti_issue.jsm
# ---------------------------------------------------------------
# Shift the USER2 Instruction (b1111000011) into the Instruction Register of FPGA
# User 2
set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength "3C3"]
::chipscope::csejtag_target unlock $handle
::chipscope::csejtag_target close $handle
::chipscope::csejtag_session destroy $handle
exit
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## NOTE: Do not edit this file.
##
vlib work
vcom -explicit -93 "../../../PCK_FIO-1.16/PCK_FIO.vhd"
vcom -explicit -93 "../src/core/cpu_pkg.vhd"
vcom -explicit -93 "../src/core/stack_ctrl.vhd"
vcom -explicit -93 "../src/core/reg_dual.vhd"
vcom -explicit -93 "../src/core/chipram.vhd"
vcom -explicit -93 "../src/core/chipreg.vhd"
vcom -explicit -93 "../src/core/pc.vhd"
vcom -explicit -93 "../src/core/dpath_ctrl.vhd"
vcom -explicit -93 "../src/core/int_ctrl.vhd"
vcom -explicit -93 "../src/core/alu.vhd"
vcom -explicit -93 "../src/core/cpu.vhd"
vcom -explicit -93 "../src/test_irom.vhdl"
vcom -explicit -93 "../src/core/tb_cpu.vhd"
vsim -t 1ps -lib work tb_cpu
do {tb_cpu.wdo}
view wave
view structure
view signals
run 50us
+107
View File
@@ -0,0 +1,107 @@
onerror {resume}
quietly WaveActivateNextPane {} 0
add wave -noupdate -format Logic /tb_cpu/rst
add wave -noupdate -format Logic /tb_cpu/clk
add wave -noupdate -format Logic /tb_cpu/ce
add wave -noupdate -format Logic /tb_cpu/uut/cpu_active
add wave -noupdate -format Logic /tb_cpu/int_in
add wave -noupdate -format Logic /tb_cpu/int_ack
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/irom_data
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/irom_addr
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/xmem_din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/xmem_dout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/xmem_addr
add wave -noupdate -format Logic /tb_cpu/xmem_we
add wave -noupdate -format Logic /tb_cpu/xmem_re
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/sram
add wave -noupdate -format Logic /tb_cpu/uut/io_sel
add wave -noupdate -format Literal /tb_cpu/uut/iphase
add wave -noupdate -divider CPU
add wave -noupdate -format Literal /tb_cpu/reg
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Literal /tb_cpu/uut/cpu_status
add wave -noupdate -format Literal /tb_cpu/uut/status_reg
add wave -noupdate -format Literal /tb_cpu/uut/ctrl
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_out
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_in
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_reg
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/pc_in
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/pc_next
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/idata
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/int_pc_addr
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/iphase
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/const_data
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/reg_a_dout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/reg_b_dout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/reg_din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/alu_op1
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/alu_op2
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/alu_result
add wave -noupdate -format Literal /tb_cpu/uut/alu_status
add wave -noupdate -format Logic /tb_cpu/uut/pc_inc
add wave -noupdate -format Logic /tb_cpu/uut/pc_load
add wave -noupdate -format Logic /tb_cpu/uut/stk_we
add wave -noupdate -format Logic /tb_cpu/uut/cmem_we
add wave -noupdate -format Literal /tb_cpu/uut/ctrl_iphase
add wave -noupdate -format Logic /tb_cpu/uut/was_pcld
add wave -noupdate -format Logic /tb_cpu/uut/was_pop2pc
add wave -noupdate -format Logic /tb_cpu/uut/int_pc_load
add wave -noupdate -format Logic /tb_cpu/uut/int_stk_push
add wave -noupdate -format Logic /tb_cpu/uut/stk_push
add wave -noupdate -format Logic /tb_cpu/uut/stk_pop
add wave -noupdate -format Logic /tb_cpu/uut/status_save
add wave -noupdate -format Logic /tb_cpu/uut/status_restore
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_ptr
add wave -noupdate -divider Stack
add wave -noupdate -format Logic /tb_cpu/clk
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/push
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/pop
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/dout
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/mem_we
add wave -noupdate -divider Chipram
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/we_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/din_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/addr_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/dout_a
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/we_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/din_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/addr_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/dout_b
add wave -noupdate -divider Sequencer
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_dpath_ctrl/inst_in
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/iphase_in
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/status_in
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/ctrl_out
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_dpath_ctrl/idout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_dpath_ctrl/ddout
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/opcode
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/ctrl_lines
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_cpu/uut/inst_reg_ab/mem
add wave -noupdate -divider {Chip register}
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/creg_addr
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/creg_din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/creg_dout
add wave -noupdate -format Literal /tb_cpu/uut/creg_ctrl_out
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/clk
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_exit
add wave -noupdate -format Literal /tb_cpu/uut/inst_int_ctrl/int_state
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {136355 ps} 0}
configure wave -namecolwidth 166
configure wave -valuecolwidth 101
configure wave -justifyvalue left
configure wave -signalnamewidth 1
configure wave -snapdistance 10
configure wave -datasetprefix 0
configure wave -rowmargin 4
configure wave -childrowmargin 2
configure wave -gridoffset 0
configure wave -gridperiod 1
configure wave -griddelta 40
configure wave -timeline 0
update
WaveRestoreZoom {93532 ps} {206468 ps}
+21
View File
@@ -0,0 +1,21 @@
## NOTE: Do not edit this file.
##
vlib work
vcom -explicit -93 "../src/core/cpu_pkg.vhd"
vcom -explicit -93 "../src/core/stack_ctrl.vhd"
vcom -explicit -93 "../src/core/reg_dual.vhd"
vcom -explicit -93 "../src/core/chipram.vhd"
vcom -explicit -93 "../src/core/pc.vhd"
vcom -explicit -93 "../src/core/dpath_ctrl.vhd"
vcom -explicit -93 "../src/core/int_ctrl.vhd"
vcom -explicit -93 "../src/core/alu.vhd"
vcom -explicit -93 "../src/core/cpu.vhd"
vcom -explicit -93 "../src/cpu_embedded.vhd"
vcom -explicit -93 "../src/tb_cpu_embedded.vhd"
vcom -explicit -93 "../src/test_irom.vhdl"
vsim -t 1ps -lib work tb_cpu_embedded
do {tb_cpu_embedded.wdo}
view wave
view structure
view signals
run 10us
+26
View File
@@ -0,0 +1,26 @@
onerror {resume}
quietly WaveActivateNextPane {} 0
add wave -noupdate -format Logic /tb_cpu_embedded/rst
add wave -noupdate -format Logic /tb_cpu_embedded/clk
add wave -noupdate -format Logic /tb_cpu_embedded/ce
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/sram
add wave -noupdate -format Logic /tb_cpu_embedded/int_in
add wave -noupdate -format Logic /tb_cpu_embedded/int_ack
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/rom_addr
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/rom_data
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {2168142 ps} 0}
configure wave -namecolwidth 143
configure wave -valuecolwidth 101
configure wave -justifyvalue left
configure wave -signalnamewidth 1
configure wave -snapdistance 10
configure wave -datasetprefix 0
configure wave -rowmargin 4
configure wave -childrowmargin 2
configure wave -gridoffset 0
configure wave -gridperiod 1
configure wave -griddelta 40
configure wave -timeline 0
update
WaveRestoreZoom {0 ps} {10500 ns}
+22
View File
@@ -0,0 +1,22 @@
## NOTE: Do not edit this file.
##
vlib work
vcom -explicit -93 "../../../PCK_FIO-1.16/PCK_FIO.vhd"
vcom -explicit -93 "../src/core/cpu_pkg.vhd"
vcom -explicit -93 "../src/core/stack_ctrl.vhd"
vcom -explicit -93 "../src/core/reg_dual.vhd"
vcom -explicit -93 "../src/core/chipram.vhd"
vcom -explicit -93 "../src/core/chipreg.vhd"
vcom -explicit -93 "../src/core/pc.vhd"
vcom -explicit -93 "../src/core/dpath_ctrl.vhd"
vcom -explicit -93 "../src/core/int_ctrl.vhd"
vcom -explicit -93 "../src/core/alu.vhd"
vcom -explicit -93 "../src/core/cpu.vhd"
vcom -explicit -93 "../src/itest_irom.vhdl"
vcom -explicit -93 "../src/tb_cpu_itest.vhd"
vsim -t 1ps -lib work tb_cpu
do {tb_cpu_itest.wdo}
view wave
view structure
view signals
run 400us
+123
View File
@@ -0,0 +1,123 @@
onerror {resume}
quietly WaveActivateNextPane {} 0
add wave -noupdate -format Logic /tb_cpu/rst
add wave -noupdate -format Logic /tb_cpu/clk
add wave -noupdate -format Logic /tb_cpu/ce
add wave -noupdate -format Logic /tb_cpu/int_in
add wave -noupdate -format Logic /tb_cpu/int_ack
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/irom_data
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/irom_addr
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/xmem_din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/xmem_dout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/xmem_addr
add wave -noupdate -format Logic /tb_cpu/xmem_we
add wave -noupdate -format Logic /tb_cpu/xmem_re
add wave -noupdate -format Logic /tb_cpu/xmem_wait
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/sram
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_cpu/reg
add wave -noupdate -format Logic /tb_cpu/uut/io_sel
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/mem_data
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/mem_addr
add wave -noupdate -divider CPU
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Literal /tb_cpu/uut/cpu_status
add wave -noupdate -format Literal /tb_cpu/uut/status_reg
add wave -noupdate -format Literal /tb_cpu/uut/ctrl
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_out
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_in
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_reg
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/pc_in
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/pc_next
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/idata
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/int_pc_addr
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/iphase
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/const_data
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/reg_a_dout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/reg_b_dout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/reg_din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/alu_op1
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/alu_op2
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/alu_result
add wave -noupdate -format Literal /tb_cpu/uut/alu_status
add wave -noupdate -format Logic /tb_cpu/uut/pc_inc
add wave -noupdate -format Logic /tb_cpu/uut/pc_load
add wave -noupdate -format Logic /tb_cpu/uut/cpu_active
add wave -noupdate -format Logic /tb_cpu/uut/stk_we
add wave -noupdate -format Logic /tb_cpu/uut/cmem_we
add wave -noupdate -format Literal /tb_cpu/uut/ctrl_iphase
add wave -noupdate -format Logic /tb_cpu/uut/was_pcld
add wave -noupdate -format Logic /tb_cpu/uut/was_pop2pc
add wave -noupdate -format Logic /tb_cpu/uut/int_pc_load
add wave -noupdate -format Logic /tb_cpu/uut/int_stk_push
add wave -noupdate -format Logic /tb_cpu/uut/stk_push
add wave -noupdate -format Logic /tb_cpu/uut/stk_pop
add wave -noupdate -format Logic /tb_cpu/uut/status_save
add wave -noupdate -format Logic /tb_cpu/uut/status_restore
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/stk_ptr
add wave -noupdate -divider Stack
add wave -noupdate -format Logic /tb_cpu/clk
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/push
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/pop
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/dout
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/mem_we
add wave -noupdate -divider Chipram
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/we_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/din_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/addr_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/dout_a
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/we_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/din_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/addr_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/dout_b
add wave -noupdate -divider Sequencer
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/reg
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_dpath_ctrl/inst_in
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/iphase_in
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/status_in
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/ctrl_out
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_dpath_ctrl/idout
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_dpath_ctrl/ddout
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/opcode
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/ctrl_lines
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_cpu/uut/inst_reg_ab/mem
add wave -noupdate -divider {Chip register}
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/creg_dout
add wave -noupdate -format Literal /tb_cpu/uut/creg_ctrl_out
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/clk
add wave -noupdate -divider {Interrup Ctrl.}
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_in
add wave -noupdate -format Literal -expand /tb_cpu/uut/inst_int_ctrl/ctrl_in
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_sampled
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_request
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_ack
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_exit
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_ack_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stat_save_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stat_rest_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/pc_load_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_push_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_pop_out
add wave -noupdate -format Literal /tb_cpu/uut/inst_int_ctrl/int_state
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/pc_load
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_push
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_pop
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {53866171 ps} 0}
configure wave -namecolwidth 166
configure wave -valuecolwidth 101
configure wave -justifyvalue left
configure wave -signalnamewidth 1
configure wave -snapdistance 10
configure wave -datasetprefix 0
configure wave -rowmargin 4
configure wave -childrowmargin 2
configure wave -gridoffset 0
configure wave -gridperiod 1
configure wave -griddelta 40
configure wave -timeline 0
update
WaveRestoreZoom {0 ps} {420 us}
+22
View File
@@ -0,0 +1,22 @@
## NOTE: Do not edit this file.
##
vlib work
vcom -explicit -93 "../../../PCK_FIO-1.16/PCK_FIO.vhd"
vcom -explicit -93 "../src/core/cpu_pkg.vhd"
vcom -explicit -93 "../src/core/stack_ctrl.vhd"
vcom -explicit -93 "../src/core/reg_dual.vhd"
vcom -explicit -93 "../src/core/chipram.vhd"
vcom -explicit -93 "../src/core/chipreg.vhd"
vcom -explicit -93 "../src/core/pc.vhd"
vcom -explicit -93 "../src/core/dpath_ctrl.vhd"
vcom -explicit -93 "../src/core/int_ctrl.vhd"
vcom -explicit -93 "../src/core/alu.vhd"
vcom -explicit -93 "../src/core/cpu.vhd"
vcom -explicit -93 "../src/irom_reti_issue.vhdl"
vcom -explicit -93 "../src/core/tb_cpu.vhd"
vsim -t 1ps -lib work tb_cpu
do {tb_cpu_reti_issue.wdo}
view wave
view structure
view signals
run 50us
+82
View File
@@ -0,0 +1,82 @@
onerror {resume}
quietly WaveActivateNextPane {} 0
add wave -noupdate -format Literal /tb_cpu/uut/iphase
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/ctrl_lines
add wave -noupdate -divider {Chip RAM}
add wave -noupdate -format Literal /tb_cpu/uut/iphase
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/clka
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/clkb
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/en_a
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/en_b
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/we_a
add wave -noupdate -format Logic /tb_cpu/uut/inst_chipram/we_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/addr_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/addr_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/din_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/din_b
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/dout_a
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_chipram/dout_b
add wave -noupdate -divider {Interrupt controller}
add wave -noupdate -format Literal /tb_cpu/uut/iphase
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/rst
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/clk
add wave -noupdate -format Literal /tb_cpu/uut/inst_int_ctrl/ctrl_in
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_in
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_reg
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_request
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_request_clr
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_exit
add wave -noupdate -format Literal /tb_cpu/uut/inst_int_ctrl/iphase_in
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_int_ctrl/pc_addr_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/int_ack
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stat_save_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stat_rest_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/pc_load_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_push_out
add wave -noupdate -format Literal /tb_cpu/uut/inst_int_ctrl/int_state
add wave -noupdate -format Literal /tb_cpu/uut/inst_int_ctrl/int_state_next
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/pc_load
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_push
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_pop
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_pop_out
add wave -noupdate -format Logic /tb_cpu/uut/inst_int_ctrl/stk_push_out
add wave -noupdate -divider PC
add wave -noupdate -format Literal /tb_cpu/uut/iphase
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/uut/inst_pc/rst
add wave -noupdate -format Logic /tb_cpu/uut/inst_pc/clk
add wave -noupdate -format Logic /tb_cpu/uut/inst_pc/inc
add wave -noupdate -format Logic /tb_cpu/uut/inst_pc/load
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_pc/pc_in
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_pc/pc_out
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_pc/pc_next
add wave -noupdate -divider {Stack controller}
add wave -noupdate -format Literal /tb_cpu/uut/iphase
add wave -noupdate -format Literal /tb_cpu/uut/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/rst
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/clk
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/push
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/pop
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/ptr_out
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/dout
add wave -noupdate -format Logic /tb_cpu/uut/inst_stack_ctrl/mem_we
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu/uut/inst_stack_ctrl/ptr
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {8115990 ps} 0}
configure wave -namecolwidth 150
configure wave -valuecolwidth 100
configure wave -justifyvalue left
configure wave -signalnamewidth 1
configure wave -snapdistance 10
configure wave -datasetprefix 0
configure wave -rowmargin 4
configure wave -childrowmargin 2
configure wave -gridoffset 0
configure wave -gridperiod 1
configure wave -griddelta 40
configure wave -timeline 0
update
WaveRestoreZoom {8048536 ps} {8340629 ps}
+21
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@@ -0,0 +1,21 @@
## NOTE: Do not edit this file.
##
vlib work
vcom -explicit -93 "../src/core/cpu_pkg.vhd"
vcom -explicit -93 "../src/core/stack_ctrl.vhd"
vcom -explicit -93 "../src/core/reg_dual.vhd"
vcom -explicit -93 "../src/core/chipram.vhd"
vcom -explicit -93 "../src/core/pc.vhd"
vcom -explicit -93 "../src/core/dpath_ctrl.vhd"
vcom -explicit -93 "../src/core/int_ctrl.vhd"
vcom -explicit -93 "../src/core/alu.vhd"
vcom -explicit -93 "../src/core/cpu.vhd"
vcom -explicit -93 "../src/cpu_embedded.vhd"
vcom -explicit -93 "../src/tb_cpu_embedded.vhd"
vcom -explicit -93 "../src/mul8x8_irom.vhdl"
vsim -t 1ps -lib work tb_cpu_embedded
do {tb_mul8x8.wdo}
view wave
view structure
view signals
run 10us
+31
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@@ -0,0 +1,31 @@
onerror {resume}
quietly WaveActivateNextPane {} 0
add wave -noupdate -format Logic /tb_cpu_embedded/uut/inst_cpu/rst
add wave -noupdate -format Logic /tb_cpu_embedded/uut/inst_cpu/clk
add wave -noupdate -format Logic /tb_cpu_embedded/uut/inst_cpu/ce
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/inst_cpu/instr_din
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/inst_cpu/instr_addr
add wave -noupdate -format Literal /tb_cpu_embedded/uut/inst_cpu/cpu_status
add wave -noupdate -format Literal /tb_cpu_embedded/uut/inst_cpu/status_reg
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/inst_cpu/alu_op1
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/inst_cpu/alu_op2
add wave -noupdate -format Literal -radix hexadecimal /tb_cpu_embedded/uut/inst_cpu/alu_result
add wave -noupdate -format Literal /tb_cpu_embedded/uut/inst_cpu/alu_status
add wave -noupdate -format Literal /tb_cpu_embedded/uut/inst_cpu/inst_dpath_ctrl/dbg_iname
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_cpu_embedded/uut/inst_cpu/inst_reg_ab/mem
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {529679 ps} 0}
configure wave -namecolwidth 143
configure wave -valuecolwidth 101
configure wave -justifyvalue left
configure wave -signalnamewidth 1
configure wave -snapdistance 10
configure wave -datasetprefix 0
configure wave -rowmargin 4
configure wave -childrowmargin 2
configure wave -gridoffset 0
configure wave -gridperiod 1
configure wave -griddelta 40
configure wave -timeline 0
update
WaveRestoreZoom {9002500 ps} {10052500 ps}
+236
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--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The arithmetic logic unit
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity alu is
Generic (
data_width : integer := 8
);
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
op_en : in STD_LOGIC;
cy_in : in STD_LOGIC;
op1_in : in unsigned (data_width-1 downto 0);
op2_in : in unsigned (data_width-1 downto 0);
opsel : in alu_op_t;
res_out : out unsigned (data_width-1 downto 0);
stat_load : in STD_LOGIC;
stat_in : in alu_status_t;
stat_out : out alu_status_t
);
end alu;
architecture Behavioral of alu is
signal sum_cy, sh_cy, sum_cy_in, sh_cy_in, left_shift, add_subn : STD_LOGIC;
signal result, sum_res, lf_res, sh_res, res_reg : unsigned (data_width-1 downto 0);
signal status, stat_reg : alu_status_t;
--------------------------------------------------------------------------
function test_zero(arg : unsigned) return STD_LOGIC is
variable result : STD_LOGIC;
begin
result := '0';
for i in arg'range loop
result := result or To_X01(arg(i));
end loop;
return not result;
end test_zero;
--------------------------------------------------------------------------
begin
--------------------------------------------------------------------------
proc_logic_func:
process (op1_in, op2_in, opsel)
begin
case opsel is
when op1_and_op2 =>
lf_res <= op1_in and op2_in;
when op1_or_op2 =>
lf_res <= op1_in or op2_in;
when op1_xor_op2 =>
lf_res <= op1_in xor op2_in;
when others =>
lf_res <= (others => '-');
end case;
end process;
--------------------------------------------------------------------------
proc_shift_func:
process (op1_in, left_shift, sh_cy_in)
begin
if left_shift = '1' then
sh_res <= op1_in(op1_in'left-1 downto op1_in'right) & sh_cy_in;
sh_cy <= op1_in(op1_in'left);
else
sh_res <= sh_cy_in & op1_in(op1_in'left downto op1_in'right+1);
sh_cy <= op1_in(op1_in'right);
end if;
end process;
--------------------------------------------------------------------------
proc_alu_out:
process(opsel, op1_in, op2_in, res_reg, stat_reg, lf_res, sum_res, sh_res, sum_cy, sh_cy, cy_in)
begin
case opsel is
when op1_add_op2 | op1_sub_op2 | op1_addc_op2 | op1_subc_op2 =>
status.zero <= test_zero(res_reg);
status.carry <= sum_cy;
result <= sum_res;
when op1_and_op2 | op1_or_op2 | op1_xor_op2 =>
status.zero <= test_zero(res_reg);
status.carry <= stat_reg.carry;
result <= lf_res;
when shl_op | shr_op | rol_op | ror_op | rolc_op | rorc_op =>
status.zero <= test_zero(res_reg);
status.carry <= sh_cy;
result <= sh_res;
when swap_op =>
result <= op1_in(op1_in'left-op1_in'length/2 downto op1_in'right) & op1_in(op1_in'left downto op1_in'right+op1_in'length/2);
status <= stat_reg;
when others =>
result <= op2_in;
status.zero <= stat_reg.zero;
status.carry <= stat_reg.carry or cy_in;
end case;
end process;
--------------------------------------------------------------------------
proc_alu_in:
process(opsel, op1_in, stat_reg)
begin
add_subn <= '-';
sum_cy_in <= '-';
sh_cy_in <= '-';
left_shift <= '-';
case opsel is
when op1_add_op2 =>
sum_cy_in <= '0';
add_subn <= '1';
when op1_sub_op2 =>
sum_cy_in <= '0';
add_subn <= '0';
when op1_addc_op2 =>
sum_cy_in <= stat_reg.carry;
add_subn <= '1';
when op1_subc_op2 =>
sum_cy_in <= stat_reg.carry;
add_subn <= '0';
when shl_op =>
sh_cy_in <= '0';
left_shift <= '1';
when shr_op =>
sh_cy_in <= '0';
left_shift <= '0';
when rol_op =>
sh_cy_in <= op1_in(op1_in'left);
left_shift <= '1';
when ror_op =>
sh_cy_in <= op1_in(op1_in'right);
left_shift <= '0';
when rolc_op =>
sh_cy_in <= stat_reg.carry;
left_shift <= '1';
when rorc_op =>
sh_cy_in <= stat_reg.carry;
left_shift <= '0';
when others => null;
end case;
end process;
--------------------------------------------------------------------------
proc_res_reg:
process(clk, rst, op_en, stat_load, res_reg, stat_reg)
begin
if rst = '1' then
res_reg <= (others => '0');
stat_reg <= (others => '0');
elsif rising_edge(clk) then
if op_en = '1' then
res_reg <= result;
stat_reg <= status;
elsif stat_load = '1' then
stat_reg <= stat_in;
end if;
end if;
res_out <= res_reg;
stat_out <= stat_reg;
end process;
--------------------------------------------------------------------------
alu_addsub:
process(op1_in, op2_in, sum_cy_in, add_subn)
variable sum : unsigned(data_width+1 downto 0);
variable op1, op2 : unsigned(data_width+1 downto 0);
begin
if add_subn = '1' then
op1 := '0' & op1_in & '1';
op2 := '0' & op2_in & sum_cy_in;
sum := op1 + op2;
else
op1 := '0' & op1_in & not sum_cy_in;
op2 := '0' & op2_in & '1';
sum := op1 - op2;
end if;
-- Form sum + carry
sum_res <= sum(data_width downto 1);
sum_cy <= sum(sum'left);
end process;
--------------------------------------------------------------------------
end Behavioral;
+85
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--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: On-chip RAM
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity chipram is
Generic (
addr_width : integer := 3;
data_width : integer := 8
);
Port (
clka : in STD_LOGIC;
clkb : in STD_LOGIC;
en_a : in STD_LOGIC;
en_b : in STD_LOGIC;
we_a : in STD_LOGIC;
we_b : in STD_LOGIC;
addr_a : in unsigned (addr_width-1 downto 0);
addr_b : in unsigned (addr_width-1 downto 0);
din_a : in unsigned (data_width-1 downto 0);
din_b : in unsigned (data_width-1 downto 0);
dout_a : out unsigned (data_width-1 downto 0);
dout_b : out unsigned (data_width-1 downto 0)
);
end chipram;
architecture Behavioral of chipram is
constant depth : integer := 2**addr_width;
type RAMtype is array (0 to depth-1) of unsigned (data_width-1 downto 0);
shared variable RAM : RAMtype;
begin
process (clka)
begin
if clka'event and clka = '1' then
if en_a = '1' then
if we_a = '1' then
RAM(to_integer(addr_a)) := din_a;
end if;
dout_a <= RAM(to_integer(addr_a));
end if;
end if;
end process;
process (clkb)
begin
if clkb'event and clkb = '1' then
if en_b = '1' then
if we_b = '1' then
RAM(to_integer(addr_b)) := din_b;
end if;
dout_b <= RAM(to_integer(addr_b));
end if;
end if;
end process;
end Behavioral;
+123
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--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: On-Chip registers
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity chipreg is
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
we : in STD_LOGIC;
addr : in dmem_addr_t;
din : in dmem_data_t;
dout : out dmem_data_t;
ctrl_in : in creg_ctrl_in_t;
ctrl_out : out creg_ctrl_out_t
);
end chipreg;
architecture Behavioral of chipreg is
signal reg_bank_sel : bank_sel_t;
signal reg_int_ctrl : int_ctrl_in_t;
signal reg_stk_high : unsigned(IMEM_ADDR_WIDTH-DMEM_ADDR_WIDTH-1 downto 0);
signal reg_cmem_high : unsigned(IMEM_ADDR_WIDTH-DMEM_ADDR_WIDTH-1 downto 0);
begin
proc_assign_ctrl_lines:
process (clk)
begin
if rising_edge(clk) then
ctrl_out.bank_sel <= reg_bank_sel;
ctrl_out.int_ctrl <= reg_int_ctrl;
ctrl_out.stk_high <= reg_stk_high;
ctrl_out.cmem_high <= reg_cmem_high;
end if;
end process;
proc_reg_write:
process (rst, clk)
begin
if rst = '1' then
reg_stk_high <= (others => '0');
reg_cmem_high <= (others => '0');
reg_bank_sel <= (others => '0');
reg_int_ctrl.enable <= '0';
reg_int_ctrl.polarity <= '1';
reg_int_ctrl.edge_sens <= '1';
elsif rising_edge(clk) then
reg_int_ctrl.request <= '0';
if we = '1' then
case addr is
when X"01" =>
reg_bank_sel(bank_sel_t'range) <= din(bank_sel_t'range);
when X"03" =>
reg_int_ctrl.enable <= din(0);
reg_int_ctrl.polarity <= din(1);
reg_int_ctrl.edge_sens <= din(2);
reg_int_ctrl.request <= din(7);
when X"04" =>
reg_cmem_high <= din(IMEM_ADDR_WIDTH-DMEM_ADDR_WIDTH-1 downto 0);
when X"05" =>
reg_stk_high <= din(IMEM_ADDR_WIDTH-DMEM_ADDR_WIDTH-1 downto 0);
when others => null;
end case;
end if;
end if;
end process;
proc_reg_read:
process (clk)
begin
if rising_edge(clk) then
case addr is
when X"00" => -- Revison
dout <= to_unsigned(REVISION, dmem_data_t'length);
when X"01" => -- Control 0
dout <= (7 downto bank_sel_t'length => '0') & reg_bank_sel;
when X"02" => -- CPU status
dout <= "000000" & ctrl_in.alu.carry & ctrl_in.alu.zero;
when X"03" => -- Interrupt control
dout <= "00000" & reg_int_ctrl.edge_sens & reg_int_ctrl.polarity & reg_int_ctrl.enable;
when X"04" => -- Upper stack bits out
dout <= "0000" & reg_cmem_high;
when X"05" => -- Upper cmem bits out
dout <= "0000" & reg_stk_high;
when others =>
if addr(0) = '0' then
dout <= X"DE";
else
dout <= X"AD";
end if;
end case;
end if;
end process;
end Behavioral;
+566
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@@ -0,0 +1,566 @@
--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: JCPU top file
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity cpu is
Generic (
use_instr_register : boolean := false;
use_ctrl_rom : boolean := true
);
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ce : in STD_LOGIC;
int_in : in STD_LOGIC;
int_ack : out STD_LOGIC;
xmem_wait : in STD_LOGIC;
xmem_we : out STD_LOGIC;
xmem_re : out STD_LOGIC;
instr_din : in unsigned (IMEM_DATA_WIDTH-1 downto 0);
instr_addr : out unsigned (IMEM_ADDR_WIDTH-1 downto 0);
xmem_din : in unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_dout : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_addr : out unsigned (DMEM_ADDR_WIDTH-1 downto 0);
io_sel : out std_logic
);
end cpu;
architecture rtl of cpu is
COMPONENT stack_ctrl
GENERIC (
addr_width : integer
);
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
push : in STD_LOGIC;
pop : in STD_LOGIC;
din : in inst_addr_t;
dout : out inst_addr_t;
mem_we : out STD_LOGIC;
ptr_out : out unsigned (addr_width-1 downto 0)
);
END COMPONENT;
COMPONENT pc
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
inc : in STD_LOGIC;
load : in STD_LOGIC;
pc_in : in inst_addr_t;
pc_out : out inst_addr_t;
pc_next : out inst_addr_t
);
END COMPONENT;
COMPONENT dpath_ctrl
GENERIC (
use_rom : boolean
);
Port (
inst_in : in inst_t;
iphase_in : in iphase_t;
status_in : in cpu_status_t;
ctrl_out : out dpath_ctrl_out_t;
idout : out inst_addr_t;
ddout : out dmem_data_t
);
END COMPONENT;
COMPONENT int_ctrl
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ctrl_in : in int_ctrl_in_t;
int_in : in STD_LOGIC;
int_exit : in STD_LOGIC;
iphase_in : in iphase_t;
int_ack_out : out STD_LOGIC;
stat_save_out : out STD_LOGIC;
stat_rest_out : out STD_LOGIC;
pc_addr_out : out inst_addr_t;
pc_load_out : out STD_LOGIC;
stk_push_out : out STD_LOGIC;
stk_pop_out : out STD_LOGIC
);
END COMPONENT;
COMPONENT reg_dual
GENERIC (
addr_width : integer;
data_width : integer
);
Port (
clk : in STD_LOGIC;
we_a : in STD_LOGIC;
ptr_a : in reg_ptr_t;
ptr_b : in reg_ptr_t;
din_a : in unsigned (data_width-1 downto 0);
dout_a : out unsigned (data_width-1 downto 0);
dout_b : out unsigned (data_width-1 downto 0)
);
END COMPONENT;
COMPONENT chipram
GENERIC (
addr_width : integer;
data_width : integer
);
Port (
clka : in STD_LOGIC;
clkb : in STD_LOGIC;
en_a : in STD_LOGIC;
en_b : in STD_LOGIC;
we_a : in STD_LOGIC;
we_b : in STD_LOGIC;
addr_a : in unsigned (addr_width-1 downto 0);
addr_b : in unsigned (addr_width-1 downto 0);
din_a : in unsigned (data_width-1 downto 0);
din_b : in unsigned (data_width-1 downto 0);
dout_a : out unsigned (data_width-1 downto 0);
dout_b : out unsigned (data_width-1 downto 0)
);
END COMPONENT;
COMPONENT chipreg
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
we : in STD_LOGIC;
addr : in dmem_addr_t;
din : in dmem_data_t;
dout : out dmem_data_t;
ctrl_in : in creg_ctrl_in_t;
ctrl_out : out creg_ctrl_out_t
);
END COMPONENT;
COMPONENT alu
GENERIC (
data_width : integer := 8
);
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
op_en : in STD_LOGIC;
cy_in : in STD_LOGIC;
op1_in : in unsigned (data_width-1 downto 0);
op2_in : in unsigned (data_width-1 downto 0);
opsel : in alu_op_t;
res_out : out unsigned (data_width-1 downto 0);
stat_load : in STD_LOGIC;
stat_in : in alu_status_t;
stat_out : out alu_status_t
);
END COMPONENT;
signal cpu_status, status_reg : cpu_status_t; -- := cpu_status_t(others => '0');
signal ctrl : dpath_ctrl_out_t;
signal stk_out : inst_addr_t;
signal stk_in : inst_addr_t;
signal stk_reg : inst_addr_t;
signal pc_in, pc_out, pc_next, idata, int_pc_addr : inst_addr_t;
signal iphase : iphase_t;
signal const_data, reg_a_dout, reg_b_dout : dmem_data_t;
signal reg_din : dmem_data_t;
signal alu_op1, alu_op2, alu_result : dmem_data_t;
signal alu_status : alu_status_t;
signal pc_inc, pc_load, cpu_active, stk_we, cmem_we, creg_we : STD_LOGIC;
signal ctrl_inst : inst_t;
signal ctrl_iphase : iphase_t;
signal was_pcld, was_pop2pc, int_pc_load, int_stk_push, int_stk_pop, stk_push, stk_pop : STD_LOGIC;
signal status_save, status_restore : STD_LOGIC;
signal creg_dout : dmem_data_t;
signal cmem_din, cmem_dout : inst_addr_t;
signal stk_addr, cmem_addr : unsigned(CHIPRAM_SIZE_BITS-1 downto 0);
signal stk_ptr : unsigned(STACK_SIZE_BITS-1 downto 0);
signal creg_ctrl_out : creg_ctrl_out_t;
signal creg_ctrl_in : creg_ctrl_in_t;
signal irq_out : std_logic;
signal xio_sel, cio_sel : std_logic;
signal mem_data : dmem_data_t;
signal mem_addr : dmem_data_t;
begin
io_sel <= xio_sel;
instr_addr <= pc_out;
pc_inc <= cpu_active and ctrl.lines.pc_inc;
stk_addr <= '0' & stk_ptr;
cpu_status.alu <= alu_status;
cpu_status.xmem_wait <= xmem_wait;
creg_ctrl_in.alu <= alu_status;
xmem_dout <= mem_data;
xmem_addr <= mem_addr;
cmem_din <= creg_ctrl_out.cmem_high & mem_data;
cmem_addr <= '1' & creg_ctrl_out.bank_sel & mem_addr(MIN(cmem_addr'length-creg_ctrl_out.bank_sel'length-1, mem_addr'length)-1 downto 0);
--------------------------------------------------------------------
mem_ctrl_lines:
process(ctrl.lines)
begin
xio_sel <= '0';
xmem_re <= '0';
xmem_we <= '0';
cio_sel <= '0';
cmem_we <= '0';
creg_we <= '0';
case ctrl.lines.mem_access is
when xmem_access =>
xmem_re <= ctrl.lines.mem_read;
xmem_we <= ctrl.lines.mem_write;
when xio_access =>
xio_sel <= '1';
xmem_re <= ctrl.lines.mem_read;
xmem_we <= ctrl.lines.mem_write;
when cmem_access =>
cmem_we <= ctrl.lines.mem_write;
when cio_access =>
cio_sel <= '1';
creg_we <= ctrl.lines.mem_write;
when others => null;
end case;
end process;
iphase_counter:
process(rst, clk, ce)
variable pos : integer;
begin
if rst = '1' then
iphase <= iphase_t'low;
cpu_active <= '0';
elsif rising_edge(clk) then
cpu_active <= '0';
if ce = '1' then
cpu_active <= '1';
if iphase = iphase_t'high then
iphase <= iphase_t'low;
else
iphase <= iphase + 1;
end if;
end if;
end if;
end process;
gen_instr_reg:
if use_instr_register = true generate
instr_reg:
process (rst, clk, ce)
begin
if rst = '1' then
ctrl_inst <= (others => '0');
ctrl_iphase <= 0;
elsif rising_edge(clk) and ce = '1' then
ctrl_inst <= instr_din;
ctrl_iphase <= iphase;
end if;
end process;
end generate;
gen_instr_direct:
if use_instr_register = false generate
ctrl_inst <= instr_din;
ctrl_iphase <= iphase;
end generate;
status_register:
process(clk, status_save)
begin
if rising_edge(clk) and status_save = '1' then
status_reg.alu <= alu_status;
end if;
end process;
pc_pushpop:
process(ctrl.lines, int_pc_load, int_stk_push, int_stk_pop, was_pop2pc)
begin
pc_load <= ctrl.lines.pc_load or int_pc_load;
stk_push <= (ctrl.lines.stk_pushd or ctrl.lines.stk_push) or (int_stk_push and not was_pop2pc);
stk_pop <= ctrl.lines.stk_popd or int_stk_pop or (ctrl.lines.stk_pop and not int_pc_load);
end process;
lines_delay:
process(clk)
begin
if rising_edge(clk) then
was_pcld <= ctrl.lines.pc_load;
was_pop2pc <= ctrl.lines.stk_pop and ctrl.lines.pc_load;
end if;
end process;
stk_mux:
process(ctrl.lines, was_pcld, int_stk_push, pc_next, idata, reg_a_dout, creg_ctrl_out)
begin
if was_pcld = '1' and int_stk_push = '1' then
stk_in <= idata;
elsif ctrl.lines.stk_pushd = '1' then
stk_in <= creg_ctrl_out.stk_high & reg_a_dout;
else
stk_in <= pc_next;
end if;
end process;
pc_mux:
process(ctrl.lines, int_pc_load, int_stk_pop, idata, int_pc_addr, stk_out)
begin
pc_in <= stk_out;
if int_pc_load = '1' then
if int_stk_pop = '0' then
pc_in <= int_pc_addr;
end if;
elsif ctrl.lines.pc_load = '1' then
if ctrl.lines.stk_pop = '0' then
pc_in <= idata;
end if;
end if;
end process;
mem_data_mux:
process(ctrl.lines.ddata_src_sel, reg_a_dout, reg_b_dout, const_data, creg_ctrl_out)
begin
case ctrl.lines.ddata_src_sel is
when reg_a =>
mem_data <= reg_a_dout;
when reg_b =>
mem_data <= reg_b_dout;
when const =>
mem_data <= const_data;
when others =>
mem_data <= const_data;
end case;
end process;
mem_addr_mux:
process(ctrl.lines.daddr_src_sel, reg_a_dout, reg_b_dout, const_data, creg_ctrl_out.bank_sel)
begin
case ctrl.lines.daddr_src_sel is
when reg_a =>
mem_addr <= reg_a_dout;
when reg_b =>
mem_addr <= reg_b_dout;
when const =>
mem_addr <= const_data;
when others =>
mem_addr <= const_data;
end case;
end process;
reg_in_mux:
process(ctrl.lines.reg_src_sel, cio_sel, xmem_din, alu_result, stk_out, cmem_dout, creg_dout)
variable data : dmem_data_t;
begin
case ctrl.lines.reg_src_sel is
when xmem_src =>
data := xmem_din;
when cmem_src =>
if cio_sel = '0' then
data := cmem_dout(dmem_data_t'range);
else
data := creg_dout(dmem_data_t'range);
end if;
when stk_src =>
data := stk_out(dmem_data_t'range);
when others =>
data := alu_result;
end case;
reg_din <= data;
end process;
alu_op1_mux:
process(ctrl.lines.alu_op1_src_sel, reg_a_dout, reg_b_dout, const_data)
variable data : dmem_data_t;
begin
case ctrl.lines.alu_op1_src_sel is
when reg_a =>
data := reg_a_dout;
when reg_b =>
data := reg_b_dout;
when others =>
data := const_data;
end case;
alu_op1 <= data;
end process;
alu_op2_mux:
process(ctrl.lines.alu_op2_src_sel, reg_a_dout, reg_b_dout, const_data)
variable data : dmem_data_t;
begin
case ctrl.lines.alu_op2_src_sel is
when reg_a =>
data := reg_a_dout;
when reg_b =>
data := reg_b_dout;
when others =>
data := const_data;
end case;
alu_op2 <= data;
end process;
--------------------------------------------------------------------
inst_stack_ctrl: stack_ctrl
GENERIC MAP (
addr_width => STACK_SIZE_BITS
)
PORT MAP(
rst => rst,
clk => clk,
push => stk_push,
pop => stk_pop,
dout => stk_reg,
din => stk_in,
ptr_out => stk_ptr,
mem_we => stk_we
);
inst_pc: pc
PORT MAP(
rst => rst,
clk => clk,
inc => pc_inc,
load => pc_load,
pc_in => pc_in,
pc_out => pc_out,
pc_next => pc_next
);
inst_dpath_ctrl: dpath_ctrl
GENERIC MAP (
use_rom => use_ctrl_rom
)
PORT MAP(
inst_in => ctrl_inst,
iphase_in => ctrl_iphase,
status_in => cpu_status,
ctrl_out => ctrl,
ddout => const_data,
idout => idata
);
inst_int_ctrl: int_ctrl
PORT MAP(
rst => rst,
clk => clk,
ctrl_in => creg_ctrl_out.int_ctrl,
int_in => int_in,
int_ack_out => int_ack,
int_exit => ctrl.lines.int_exit,
iphase_in => ctrl_iphase,
stat_save_out => status_save,
stat_rest_out => status_restore,
pc_addr_out => int_pc_addr,
pc_load_out => int_pc_load,
stk_push_out => int_stk_push,
stk_pop_out => int_stk_pop
);
inst_reg_ab: reg_dual
GENERIC MAP (
addr_width => REG_SIZE_BITS,
data_width => DMEM_DATA_WIDTH
)
PORT MAP(
clk => clk,
we_a => ctrl.lines.reg_we,
ptr_a => ctrl.reg_a_ptr,
ptr_b => ctrl.reg_b_ptr,
din_a => reg_din,
dout_a => reg_a_dout,
dout_b => reg_b_dout
);
inst_chipram: chipram
GENERIC MAP (
addr_width => CHIPRAM_SIZE_BITS,
data_width => IMEM_ADDR_WIDTH
)
PORT MAP(
clka => clk,
clkb => clk,
en_a => cpu_active,
en_b => cpu_active,
we_a => stk_we,
we_b => cmem_we,
addr_a => stk_addr,
addr_b => cmem_addr,
din_a => stk_reg,
din_b => cmem_din,
dout_a => stk_out,
dout_b => cmem_dout
);
inst_chipreg: chipreg
PORT MAP(
rst => rst,
clk => clk,
we => creg_we,
addr => mem_addr,
din => mem_data,
dout => creg_dout,
ctrl_in => creg_ctrl_in,
ctrl_out => creg_ctrl_out
);
inst_alu: alu
GENERIC MAP (
data_width => DMEM_DATA_WIDTH
)
PORT MAP(
rst => rst,
clk => clk,
op_en => ctrl.lines.alu_load,
cy_in => ctrl.lines.alu_cy_in,
op1_in => alu_op1,
op2_in => alu_op2,
opsel => ctrl.lines.alu_opsel,
res_out => alu_result,
stat_load => status_restore,
stat_in => status_reg.alu,
stat_out => alu_status
);
end rtl;
+901
View File
@@ -0,0 +1,901 @@
--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: Types, constants and functions for JCPU
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
package cpu_pkg is
-- Revision of the CPU
constant REVISION : integer := 4;
-- Chipram depth (valid values 9..floor(log2(BlockRamBytes)))
constant CHIPRAM_SIZE_BITS : integer := 10;
-- Number of registers (16 registers fixed)
constant REG_SIZE_BITS : integer := 4;
-- Instruction memory
constant IMEM_ADDR_WIDTH : integer := 12;
-- Data memory
constant DMEM_DATA_WIDTH : integer := 8;
constant DMEM_ADDR_WIDTH : integer := 8;
-- Instruction format
constant INST_OPCODE_WIDTH : integer := 6;
constant IMEM_DATA_WIDTH : integer := INST_OPCODE_WIDTH + DMEM_DATA_WIDTH + REG_SIZE_BITS;
-- Microcode ROM
constant MUCODE_ADDR_WIDTH : integer := 10;
-- Stack depth (uses lower half of CHIPRAM)
constant STACK_SIZE_BITS : integer := CHIPRAM_SIZE_BITS-1;
--Types
subtype iphase_t is integer range 0 to 1;
type mem_access_t is (cmem_access, xmem_access, cio_access, xio_access);
type reg_src_t is (alu_src, stk_src, cmem_src, xmem_src);
type alu_src_t is (reg_a, reg_b, const);
type ddata_src_t is (reg_a, reg_b, const);
type daddr_src_t is (reg_a, reg_b, const);
subtype instr_name_t is string(1 to 12);
type instr_name_array_t is array (0 to 63) of instr_name_t;
subtype opcode_t is unsigned (INST_OPCODE_WIDTH-1 downto 0);
subtype inst_data_t is unsigned (IMEM_ADDR_WIDTH-1 downto 0);
subtype inst_addr_t is unsigned (IMEM_ADDR_WIDTH-1 downto 0);
subtype inst_t is unsigned (IMEM_DATA_WIDTH-1 downto 0);
subtype dmem_data_t is unsigned (DMEM_DATA_WIDTH-1 downto 0);
subtype dmem_addr_t is unsigned (DMEM_DATA_WIDTH-1 downto 0);
subtype reg_ptr_t is unsigned (3 downto 0);
type dmem_array_t is array (natural range <>) of dmem_data_t;
type instr_addr_array is array (integer range <>) of inst_addr_t;
subtype bank_sel_t is unsigned (CHIPRAM_SIZE_BITS-DMEM_DATA_WIDTH-2 downto 0);
type alu_op_t is
(
pass_op2,
op1_add_op2,
op1_sub_op2,
op1_addc_op2,
op1_subc_op2,
op1_and_op2,
op1_or_op2,
op1_xor_op2,
swap_op,
shl_op,
shr_op,
rol_op,
ror_op,
rolc_op,
rorc_op
);
type alu_status_t is record
zero : STD_LOGIC;
carry : STD_LOGIC;
end record;
type cpu_status_t is record
alu : alu_status_t;
xmem_wait : STD_LOGIC;
end record;
type ctrl_lines_t is record
reg_we : STD_LOGIC;
reg_src_sel : reg_src_t;
alu_op1_src_sel : alu_src_t;
alu_op2_src_sel : alu_src_t;
alu_opsel : alu_op_t;
alu_load : STD_LOGIC;
alu_cy_in : STD_LOGIC;
ddata_src_sel : ddata_src_t;
daddr_src_sel : daddr_src_t;
pc_load : STD_LOGIC;
pc_inc : STD_LOGIC;
stk_push : STD_LOGIC;
stk_pop : STD_LOGIC;
stk_pushd : STD_LOGIC;
stk_popd : STD_LOGIC;
mem_access : mem_access_t;
mem_read : STD_LOGIC;
mem_write : STD_LOGIC;
int_exit : STD_LOGIC;
end record;
type dpath_ctrl_out_t is record
lines : ctrl_lines_t;
reg_a_ptr : reg_ptr_t;
reg_b_ptr : reg_ptr_t;
end record;
type int_ctrl_in_t is record
enable : std_logic;
polarity : std_logic;
edge_sens : std_logic;
request : std_logic;
end record;
type creg_ctrl_out_t is record
bank_sel : bank_sel_t;
int_ctrl : int_ctrl_in_t;
stk_high : unsigned(IMEM_ADDR_WIDTH-DMEM_ADDR_WIDTH-1 downto 0);
cmem_high : unsigned(IMEM_ADDR_WIDTH-DMEM_ADDR_WIDTH-1 downto 0);
end record;
type creg_ctrl_in_t is record
alu : alu_status_t;
end record;
type murom_t is array (0 to integer(2**MUCODE_ADDR_WIDTH)-1) of ctrl_lines_t;
constant instr_name_array : instr_name_array_t :=
(
"NOP ", -- 00
"HALT ", -- 01
"MOV|R|R ", -- 02
"MOV|R|K ", -- 03
"MOVX|R|Ri ", -- 04
"MOVX|R|Ki ", -- 05
"MOVX|Ri|R ", -- 06
"MOVX|Ri|K ", -- 07
"MOVX|Ki|R ", -- 08
"MOVC|R|Ri ", -- 09
"MOVC|R|Ki ", -- 0A
"MOVC|Ri|R ", -- 0B
"MOVC|Ri|K ", -- 0C
"MOVC|Ki|R ", -- 0D
"CMP|R|R ", -- 0E
"CMP|R|K ", -- 0F
"ADD|R|R ", -- 10
"ADD|R|K ", -- 11
"ADDC|R|R ", -- 12
"ADDC|R|K ", -- 13
"SUB|R|R ", -- 14
"SUB|R|K ", -- 15
"SUBC|R|R ", -- 16
"SUBC|R|K ", -- 17
"AND|R|R ", -- 18
"AND|R|K ", -- 19
"OR|R|R ", -- 1A
"OR|R|K ", -- 1B
"XOR|R|R ", -- 1C
"XOR|R|K ", -- 1D
"SHL|R ", -- 1E
"SHR|R ", -- 1F
"ROL|R ", -- 20
"ROR|R ", -- 21
"ROLC|R ", -- 22
"RORC|R ", -- 23
"XOUT|Ki|R ", -- 24
"XOUT|Ri|K ", -- 25
"COUT|Ki|R ", -- 26
"COUT|Ri|K ", -- 27
"XIN|R|Ki ", -- 28
"CIN|R|Ki ", -- 29
"SWAP|R ", -- 2A
"SETC ", -- 2B
"UNDEF ", -- 2C
"UNDEF ", -- 2D
"SUB|K|R ", -- 2E
"SUBC|K|R ", -- 2F
"JMP|K ", -- 30
"JZ|K ", -- 31
"JNZ|K ", -- 32
"JC|K ", -- 33
"JNC|K ", -- 34
"JLT|K ", -- 35
"JGT|K ", -- 36
"JLE|K ", -- 37
"JGE|K ", -- 38
"JEQ|K ", -- 39
"JNE|K ", -- 3A
"CALL|K ", -- 3B
"PUSH|R ", -- 3C
"POP|R ", -- 3D
"RET ", -- 3E
"RETI " -- 3F
);
-- Functions
function Instr(opcode : opcode_t) return inst_t;
function Instr(opcode : opcode_t; data : inst_data_t) return inst_t;
function Instr(opcode : opcode_t; data : inst_data_t; reg : integer) return inst_t;
function Instr(opcode : opcode_t; reg_a : integer) return inst_t;
function Instr(opcode : opcode_t; reg_a, reg_b : integer) return inst_t;
function Instr(opcode : opcode_t; reg_a, reg_b, reg_c : integer) return inst_t;
function ctrl_lines_default return ctrl_lines_t;
function idecoder(instr_name : instr_name_t; iphase : iphase_t; status : cpu_status_t) return ctrl_lines_t;
function idecoder(opcode : opcode_t; iphase : iphase_t; status : cpu_status_t) return ctrl_lines_t;
function gen_murom return murom_t;
function get_muromaddr (opcode : opcode_t; iphase : iphase_t; status : cpu_status_t) return unsigned;
function MIN (X, Y: INTEGER) return INTEGER;
function MAX (X, Y: INTEGER) return INTEGER;
end cpu_pkg;
package body cpu_pkg is
function Instr(opcode : opcode_t) return inst_t is
variable inst : inst_t := (others => '0');
begin
inst(inst_t'length-1 downto inst_t'length-opcode_t'length) := opcode;
return inst;
end Instr;
function Instr(opcode : opcode_t; data : inst_data_t) return inst_t is
variable inst : inst_t := (others => '0');
begin
inst(inst_t'length-1 downto inst_t'length-opcode_t'length) := opcode;
inst(inst_t'length-opcode_t'length-1 downto inst_t'length-opcode_t'length-inst_addr_t'length) := data;
return inst;
end Instr;
function Instr(opcode : opcode_t; data : inst_data_t; reg : integer) return inst_t is
variable inst : inst_t := (others => '0');
begin
inst(inst_t'length-1 downto inst_t'length-opcode_t'length) := opcode;
inst(inst_t'length-opcode_t'length-1 downto inst_t'length-opcode_t'length-inst_data_t'length) := data;
inst(reg_ptr_t'length-1 downto 0) := reg_ptr_t(to_unsigned(reg, reg_ptr_t'length));
return inst;
end Instr;
function Instr(opcode : opcode_t; reg_a : integer) return inst_t is
variable inst : inst_t := (others => '0');
begin
inst(inst_t'length-1 downto inst_t'length-opcode_t'length) := opcode;
inst(reg_ptr_t'length-1 downto 0) := reg_ptr_t(to_unsigned(reg_a, reg_ptr_t'length));
return inst;
end Instr;
function Instr(opcode : opcode_t; reg_a, reg_b : integer) return inst_t is
variable inst : inst_t := (others => '0');
begin
inst(inst_t'length-1 downto inst_t'length-opcode_t'length) := opcode;
inst(2*(reg_ptr_t'length)-1 downto reg_ptr_t'length) := reg_ptr_t(to_unsigned(reg_b, reg_ptr_t'length));
inst(reg_ptr_t'length-1 downto 0) := reg_ptr_t(to_unsigned(reg_a, reg_ptr_t'length));
return inst;
end Instr;
function Instr(opcode : opcode_t; reg_a, reg_b, reg_c : integer) return inst_t is
variable inst : inst_t := (others => '0');
begin
inst(inst_t'length-1 downto inst_t'length-opcode_t'length) := opcode;
inst(3*(reg_ptr_t'length)-1 downto 2*reg_ptr_t'length) := reg_ptr_t(to_unsigned(reg_c, reg_ptr_t'length));
inst(2*(reg_ptr_t'length)-1 downto reg_ptr_t'length) := reg_ptr_t(to_unsigned(reg_b, reg_ptr_t'length));
inst(reg_ptr_t'length-1 downto 0) := reg_ptr_t(to_unsigned(reg_a, reg_ptr_t'length));
return inst;
end Instr;
function ctrl_lines_default return ctrl_lines_t is
variable result : ctrl_lines_t;
begin
result.pc_load := '0';
result.pc_inc := '0';
result.stk_push := '0';
result.stk_pop := '0';
result.stk_pushd := '0';
result.stk_popd := '0';
result.reg_we := '0';
result.reg_src_sel := alu_src;
result.ddata_src_sel := reg_a;
result.daddr_src_sel := reg_b;
result.alu_opsel := pass_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.alu_load := '0';
result.alu_cy_in := '0';
result.mem_access := cmem_access;
result.mem_read := '0';
result.mem_write := '0';
result.int_exit := '0';
return result;
end ctrl_lines_default;
function idecoder(opcode : opcode_t; iphase : iphase_t; status : cpu_status_t) return ctrl_lines_t is
variable instr_name : instr_name_t;
begin
instr_name := instr_name_array(to_integer(opcode));
return idecoder(instr_name, iphase, status);
end idecoder;
function idecoder(instr_name : instr_name_t; iphase : iphase_t; status : cpu_status_t) return ctrl_lines_t is
variable result : ctrl_lines_t;
variable ze, cy, xmem_wait : STD_LOGIC;
begin
ze := status.alu.zero;
cy := status.alu.carry;
xmem_wait := status.xmem_wait;
result := ctrl_lines_default;
if iphase = 0 then
result.pc_inc := '1';
end if;
case instr_name is
when "HALT " =>
result.pc_inc := '0';
when "SETC " => -- carry <= 1
result.reg_src_sel := alu_src;
result.alu_opsel := pass_op2;
result.alu_op2_src_sel := reg_b;
result.alu_load := '1';
result.alu_cy_in := '1';
when "MOV|R|R " => -- R(a) <= R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := pass_op2;
result.alu_op2_src_sel := reg_b;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "MOV|R|K " => -- R(a) <= #kk
result.reg_src_sel := alu_src;
result.alu_opsel := pass_op2;
result.alu_op2_src_sel := const;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "MOVC|Ri|R " => -- [R(b)] <= R(a)
result.mem_access := cmem_access;
result.daddr_src_sel := reg_b;
result.ddata_src_sel := reg_a;
if iphase = 0 then
result.mem_write := '1';
end if;
when "MOVC|Ri|K " => -- [R(a)] <= kk
result.mem_access := cmem_access;
result.daddr_src_sel := reg_a;
result.ddata_src_sel := const;
if iphase = 0 then
result.mem_write := '1';
end if;
when "COUT|Ri|K " => -- [R(a)] <= kk
result.mem_access := cio_access;
result.daddr_src_sel := reg_a;
result.ddata_src_sel := const;
if iphase = 0 then
result.mem_write := '1';
end if;
when "MOVC|R|Ri " => -- R(a) <= [R(b)]
result.mem_access := cmem_access;
result.reg_src_sel := cmem_src;
result.daddr_src_sel := reg_b;
if iphase = 1 then
result.reg_we := '1';
end if;
when "MOVC|R|Ki " => -- R(a) <= [#addr]
result.mem_access := cmem_access;
result.reg_src_sel := cmem_src;
result.daddr_src_sel := const;
if iphase = 1 then
result.reg_we := '1';
end if;
when "CIN|R|Ki " => -- R(a) <= [#addr]
result.mem_access := cio_access;
result.reg_src_sel := cmem_src;
result.daddr_src_sel := const;
if iphase = 1 then
result.reg_we := '1';
end if;
when "MOVC|Ki|R " => -- [#addr] <= R(a)
result.mem_access := cmem_access;
result.daddr_src_sel := const;
result.ddata_src_sel := reg_a;
if iphase = 0 then
result.mem_write := '1';
end if;
when "COUT|Ki|R " => -- [#addr] <= R(a)
result.mem_access := cio_access;
result.daddr_src_sel := const;
result.ddata_src_sel := reg_a;
if iphase = 0 then
result.mem_write := '1';
end if;
when "MOVX|Ri|R " => -- [R(b)] <= R(a)
result.mem_access := xmem_access;
result.daddr_src_sel := reg_b;
result.ddata_src_sel := reg_a;
if iphase = 0 then
result.mem_write := '1';
end if;
if xmem_wait = '1' then
result.mem_write := '1';
result.pc_inc := '0';
end if;
when "MOVX|Ri|K " => -- [R(a)] <= kk
result.mem_access := xmem_access;
result.daddr_src_sel := reg_a;
result.ddata_src_sel := const;
if iphase = 0 then
result.mem_write := '1';
end if;
if xmem_wait = '1' then
result.mem_write := '1';
result.pc_inc := '0';
end if;
when "XOUT|Ri|K " => -- [R(a)] <= kk
result.mem_access := xio_access;
result.daddr_src_sel := reg_a;
result.ddata_src_sel := const;
if iphase = 0 then
result.mem_write := '1';
end if;
if xmem_wait = '1' then
result.pc_inc := '0';
result.mem_write := '1';
end if;
when "MOVX|R|Ri " => -- R(a) <= [R(b)]
result.mem_access := xmem_access;
result.reg_src_sel := xmem_src;
result.daddr_src_sel := reg_b;
if iphase = 0 then
result.mem_read := '1';
end if;
if xmem_wait = '0' then
if iphase = 1 then
result.reg_we := '1';
end if;
else
result.pc_inc := '0';
result.mem_read := '1';
end if;
when "MOVX|R|Ki " => -- R(a) <= [#addr]
result.mem_access := xmem_access;
result.reg_src_sel := xmem_src;
result.daddr_src_sel := const;
if iphase = 0 then
result.mem_read := '1';
end if;
if xmem_wait = '0' then
if iphase = 1 then
result.reg_we := '1';
end if;
else
result.pc_inc := '0';
result.mem_read := '1';
end if;
when "XIN|R|Ki " => -- R(a) <= [#addr]
result.mem_access := xio_access;
result.reg_src_sel := xmem_src;
result.daddr_src_sel := const;
if iphase = 0 then
result.mem_read := '1';
end if;
if xmem_wait = '0' then
if iphase = 1 then
result.reg_we := '1';
end if;
else
result.pc_inc := '0';
result.mem_read := '1';
end if;
when "MOVX|Ki|R " => -- [#addr] <= R(a)
result.mem_access := xmem_access;
result.daddr_src_sel := const;
result.ddata_src_sel := reg_a;
if iphase = 0 then
result.mem_write := '1';
end if;
if xmem_wait = '1' then
result.pc_inc := '0';
result.mem_write := '1';
end if;
when "XOUT|Ki|R " => -- [#addr] <= R(a)
result.mem_access := xio_access;
result.daddr_src_sel := const;
result.ddata_src_sel := reg_a;
if iphase = 0 then
result.mem_write := '1';
end if;
if xmem_wait = '1' then
result.pc_inc := '0';
result.mem_write := '1';
end if;
when "ADD|R|R " => -- R(a) <= R(a) + R(b)
result.alu_opsel := op1_add_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "ADD|R|K " => -- R(a) <= R(a) + k
result.alu_opsel := op1_add_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "ADDC|R|R " => -- R(a) <= R(a) + R(b)
result.alu_opsel := op1_addc_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "ADDC|R|K " => -- R(a) <= R(a) + k
result.alu_opsel := op1_addc_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SUB|R|R " => -- R(a) <= R(a) + R(b)
result.alu_opsel := op1_sub_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SUB|R|K " => -- R(a) <= R(a) + k
result.alu_opsel := op1_sub_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SUB|K|R " => -- R(a) <= k - R(a)
result.alu_opsel := op1_sub_op2;
result.alu_op1_src_sel := const;
result.alu_op2_src_sel := reg_a;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SUBC|R|R " => -- R(a) <= R(a) + R(b)
result.alu_opsel := op1_subc_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SUBC|R|K " => -- R(a) <= R(a) + k
result.alu_opsel := op1_subc_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SUBC|K|R " => -- R(a) <= K - R(a)
result.alu_opsel := op1_subc_op2;
result.alu_op1_src_sel := const;
result.alu_op2_src_sel := reg_a;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "AND|R|R " => -- R(a) <= R(a) and R(b)
result.alu_opsel := op1_and_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "AND|R|K " => -- R(a) <= R(a) and k
result.alu_opsel := op1_and_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "OR|R|R " => -- R(a) <= R(a) or R(b)
result.alu_opsel := op1_or_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "OR|R|K " => -- R(a) <= R(a) or R(b)
result.alu_opsel := op1_or_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "XOR|R|R " => -- R(a) <= R(a) xor R(b)
result.alu_opsel := op1_xor_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "XOR|R|K " => -- R(a) <= R(a) xor R(b)
result.alu_opsel := op1_xor_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.reg_src_sel := alu_src;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SWAP|R " => -- R(a) <= R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := swap_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SHL|R " => -- R(a) <= R(a) xor R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := shl_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "SHR|R " => -- R(a) <= R(a) xor R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := shr_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "ROL|R " => -- R(a) <= R(a) xor R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := rol_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "ROR|R " => -- R(a) <= R(a) xor R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := ror_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "ROLC|R " => -- R(a) <= R(a) xor R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := rolc_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "RORC|R " => -- R(a) <= R(a) xor R(b)
result.reg_src_sel := alu_src;
result.alu_opsel := rorc_op;
result.alu_op1_src_sel := reg_a;
result.alu_load := '1';
if iphase = 1 then
result.reg_we := '1';
end if;
when "CMP|R|R " => --
result.alu_opsel := op1_sub_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := reg_b;
result.alu_load := '1';
when "CMP|R|K " => --
result.alu_opsel := op1_sub_op2;
result.alu_op1_src_sel := reg_a;
result.alu_op2_src_sel := const;
result.alu_load := '1';
when "JMP|K " => -- PC <= #addr
if iphase = 0 then
result.pc_load := '1';
end if;
when "JZ|K " => -- PC <= #addr, zero
if iphase = 0 then
if ze = '1' then
result.pc_load := '1';
end if;
end if;
when "JNZ|K " => -- PC <= #addr, !zero
if iphase = 0 then
if ze = '0' then
result.pc_load := '1';
end if;
end if;
when "JC|K " => -- PC <= #addr, carry
if iphase = 0 then
if cy = '1' then
result.pc_load := '1';
end if;
end if;
when "JNC|K " => -- PC <= #addr, !carry
if iphase = 0 then
if cy = '0' then
result.pc_load := '1';
end if;
end if;
when "JLT|K " => -- PC <= #addr, !carry
if iphase = 0 then
if cy = '1' then
result.pc_load := '1';
end if;
end if;
when "JGT|K " => --
if iphase = 0 then
if (cy or ze) = '0' then
result.pc_load := '1';
end if;
end if;
when "JLE|K " => --
if iphase = 0 then
if (cy xor ze) = '1' then
result.pc_load := '1';
end if;
end if;
when "JGE|K " => --
if iphase = 0 then
if (not cy or ze) = '1' then
result.pc_load := '1';
end if;
end if;
when "JEQ|K " => --
if iphase = 0 then
if ze = '1' then
result.pc_load := '1';
end if;
end if;
when "JNE|K " => --
if iphase = 0 then
if ze = '0' then
result.pc_load := '1';
end if;
end if;
when "PUSH|R " => -- push
if iphase = 0 then
result.stk_pushd := '1';
end if;
when "POP|R " => -- pop
result.reg_src_sel := stk_src;
if iphase = 0 then
result.stk_popd := '1';
elsif iphase = 1 then
result.reg_we := '1';
end if;
when "CALL|K " => -- call
if iphase = 0 then
result.pc_load := '1';
result.stk_push := '1';
end if;
when "RET " => -- return
if iphase = 0 then
result.pc_load := '1';
result.stk_pop := '1';
end if;
when "RETI " => -- return
result.pc_inc := '0';
result.int_exit := '1';
when others => null; -- nop
end case;
return result;
end idecoder;
function gen_murom return murom_t is
variable result : murom_t;
variable opcode : opcode_t;
variable iphase : iphase_t;
variable addr : unsigned(MUCODE_ADDR_WIDTH-1 downto 0);
variable status : cpu_status_t;
variable pos : integer := 0;
begin
for i in 0 to 2**addr'length-1 loop
addr := to_unsigned(i, addr'length);
opcode := addr(opcode'length-1 downto 0);
pos := opcode'length;
iphase := 0;
if addr(pos) = '1' then
iphase := 1;
end if;
pos := pos + 1;
status.alu.zero := addr(pos);
pos := pos + 1;
status.alu.carry := addr(pos);
pos := pos + 1;
status.xmem_wait := addr(pos);
result(i) := idecoder(opcode, iphase, status);
end loop;
return result;
end gen_murom;
function get_muromaddr (opcode : opcode_t; iphase : iphase_t; status : cpu_status_t) return unsigned is
variable addr : unsigned(MUCODE_ADDR_WIDTH-1 downto 0);
begin
addr := status.xmem_wait & status.alu.carry & status.alu.zero & to_unsigned(iphase, 1) & opcode;
return addr;
end get_muromaddr;
-------------------------------------------------------------
function MIN (X, Y: INTEGER) return INTEGER is
variable res : integer := X;
begin
if Y < X then
res := Y;
end if;
return res;
end MIN;
-------------------------------------------------------------
function MAX (X, Y: INTEGER) return INTEGER is
variable res : integer := X;
begin
if Y > X then
res := Y;
end if;
return res;
end MAX;
end cpu_pkg;
+87
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@@ -0,0 +1,87 @@
--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The datapath controller
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity dpath_ctrl is
Generic (
use_rom : boolean := true
);
Port (
inst_in : in inst_t;
iphase_in : in iphase_t;
status_in : in cpu_status_t;
ctrl_out : out dpath_ctrl_out_t;
idout : out inst_addr_t;
ddout : out dmem_data_t
);
end dpath_ctrl;
architecture Behavioral of dpath_ctrl is
signal opcode : opcode_t;
signal ctrl_lines : ctrl_lines_t;
signal dbg_iname : instr_name_t;
begin
idout <= inst_in(IMEM_ADDR_WIDTH-1 downto 0);
ddout <= inst_in(REG_SIZE_BITS+DMEM_DATA_WIDTH-1 downto REG_SIZE_BITS);
opcode <= inst_in(IMEM_DATA_WIDTH-1 downto IMEM_DATA_WIDTH-INST_OPCODE_WIDTH);
ctrl_out.reg_a_ptr <= inst_in(reg_ptr_t'length-1 downto 0);
ctrl_out.reg_b_ptr <= inst_in(2*(reg_ptr_t'length)-1 downto reg_ptr_t'length);
ctrl_out.lines <= ctrl_lines;
-- pragma translate_off
dbg_iname <= instr_name_array(to_integer(opcode));
-- pragma translate_on
gen_ctrl_rom:
if use_rom = true generate
i_dec:
process(opcode, iphase_in, status_in)
constant rom_data : murom_t := gen_murom;
variable addr : unsigned(MUCODE_ADDR_WIDTH-1 downto 0);
begin
addr := get_muromaddr(opcode, iphase_in, status_in);
ctrl_lines <= rom_data(to_integer(addr));
end process;
end generate;
gen_ctrl:
if use_rom = false generate
i_dec:
process (opcode, iphase_in, status_in)
begin
ctrl_lines <= idecoder(opcode, iphase_in, status_in);
end process;
end generate;
end Behavioral;
+177
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@@ -0,0 +1,177 @@
--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: Interrupt controller
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity int_ctrl is
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ctrl_in : in int_ctrl_in_t;
int_in : in STD_LOGIC;
int_exit : in STD_LOGIC;
iphase_in : in iphase_t;
pc_addr_out : out inst_addr_t;
int_ack_out : out STD_LOGIC;
stat_save_out : out STD_LOGIC;
stat_rest_out : out STD_LOGIC;
pc_load_out : out STD_LOGIC;
stk_push_out : out STD_LOGIC;
stk_pop_out : out STD_LOGIC
);
end int_ctrl;
architecture Behavioral of int_ctrl is
type int_state_t is (int_idle, int_inject, int_active, int_release);
type pin_state_t is (pin_s0, pin_s1, pin_s2);
signal int_state, int_state_next : int_state_t;
signal pin_state, pin_state_next : pin_state_t;
signal pc_load, int_ack, stk_push, stk_pop : STD_LOGIC;
signal int_request : std_logic;
signal int_sampled : std_logic;
begin
int_ack_out <= int_ack;
pc_load_out <= pc_load;
stk_push_out <= stk_push;
stk_pop_out <= stk_pop;
-----------------------------------------------------------------------
irg_ctrl_fsm:
process (int_state, iphase_in, int_request, int_exit)
begin
pc_addr_out <= to_unsigned(1, inst_addr_t'length);
int_state_next <= int_state;
int_ack <= '0';
pc_load <= '0';
stk_push <= '0';
stk_pop <= '0';
case int_state is
when int_idle =>
if int_request = '1' and iphase_in = 1 then
int_state_next <= int_inject;
end if;
when int_inject =>
if iphase_in = 0 then
int_ack <= '1';
pc_load <= '1';
elsif iphase_in = 1 then
stk_push <= '1';
int_state_next <= int_active;
end if;
when int_active =>
if int_exit = '1' and iphase_in = 1 then
int_state_next <= int_release;
end if;
when int_release =>
if iphase_in = 0 then
stk_pop <= '1';
pc_load <= '1';
elsif iphase_in = 1 then
int_state_next <= int_idle;
end if;
when others =>
int_state_next <= int_idle;
end case;
end process;
irq_ctrl_states:
process (rst, clk, int_state_next)
begin
if rst = '1' then
int_state <= int_idle;
elsif rising_edge(clk) then
int_state <= int_state_next;
end if;
end process;
-----------------------------------------------------------------------
pin_sample:
process (clk)
begin
if rising_edge(clk) then
int_sampled <= int_in xor (not ctrl_in.polarity);
end if;
end process;
-----------------------------------------------------------------------
pin_fsm:
process (pin_state, int_sampled, int_ack, ctrl_in)
begin
int_request <= '0';
pin_state_next <= pin_state;
case pin_state is
when pin_s0 =>
if int_sampled = '1' or ctrl_in.request = '1' then
if ctrl_in.enable = '1' then
pin_state_next <= pin_s1;
end if;
end if;
when pin_s1 =>
int_request <= '1';
if int_ack = '1' then
pin_state_next <= pin_s2;
end if;
when pin_s2 =>
if ctrl_in.edge_sens = '0' then
pin_state_next <= pin_s0;
elsif int_sampled = '0' then
pin_state_next <= pin_s0;
end if;
when others =>
pin_state_next <= pin_s0;
end case;
end process;
pin_states:
process (rst, clk, pin_state_next)
begin
if rst = '1' then
pin_state <= pin_s0;
elsif rising_edge(clk) then
pin_state <= pin_state_next;
end if;
end process;
-----------------------------------------------------------------------
stat_save_restore:
process (clk, stk_push, stk_pop)
begin
if rising_edge(clk) then
stat_save_out <= stk_push;
stat_rest_out <= stk_pop;
end if;
end process;
end Behavioral;
+70
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--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: Programm counter
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity pc is
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
inc : in STD_LOGIC;
load : in STD_LOGIC;
pc_in : in inst_addr_t;
pc_out : out inst_addr_t;
pc_next : out inst_addr_t
);
end pc;
architecture Behavioral of pc is
begin
proc_pc:
process(rst, clk, inc, load, pc_in)
variable vpc, vpc_reg: inst_addr_t;
begin
if rst = '1' then
vpc_reg := (others => '0');
elsif rising_edge(clk) then
if inc = '1' or load = '1' then
vpc_reg := vpc;
elsif inc = '0' then
pc_next <= vpc;
end if;
end if;
if load = '1' then
vpc := pc_in;
else
vpc := vpc_reg + 1;
end if;
pc_out <= vpc_reg;
end process;
end Behavioral;
+81
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--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: On-Chip work registers
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity reg_dual is
Generic (
addr_width : integer := 3;
data_width : integer := 8
);
Port (
clk : in STD_LOGIC;
we_a : in STD_LOGIC;
ptr_a : in reg_ptr_t;
ptr_b : in reg_ptr_t;
din_a : in unsigned (data_width-1 downto 0);
dout_a : out unsigned (data_width-1 downto 0);
dout_b : out unsigned (data_width-1 downto 0)
);
end reg_dual;
architecture Behavioral of reg_dual is
constant depth : integer := 2**addr_width;
type mem_t is array (0 to depth-1) of unsigned (data_width-1 downto 0);
signal addr_a, addr_b : unsigned (addr_width-1 downto 0) := (others => '0');
signal mem : mem_t;
begin
addr_a <= TO_01(ptr_a(addr_width-1 downto 0));
addr_b <= TO_01(ptr_b(addr_width-1 downto 0));
reg_in_ab:
process(clk)
begin
if rising_edge(clk) then
if we_a = '1' then
mem(to_integer(addr_a)) <= din_a;
end if;
end if;
end process;
reg_out_a:
process(mem, addr_a)
begin
dout_a <= TO_01(mem(to_integer(addr_a)));
end process;
reg_out_b:
process(mem, addr_b)
begin
dout_b <= TO_01(mem(to_integer(addr_b)));
end process;
end Behavioral;
+73
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--------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The call/return/data stack
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity stack_ctrl is
Generic (
addr_width : integer := 3
);
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
push : in STD_LOGIC;
pop : in STD_LOGIC;
ptr_out : out unsigned (addr_width-1 downto 0);
din : in inst_addr_t;
dout : out inst_addr_t;
mem_we : out STD_LOGIC
);
end stack_ctrl;
architecture Behavioral of stack_ctrl is
signal ptr : unsigned (addr_width-1 downto 0);
begin
ptr_out <= ptr;
stk_ptr:
process(rst, clk, ptr, push, pop)
begin
if rst = '1' then
ptr <= (others => '0');
dout <= (others => '0');
mem_we <= '0';
elsif rising_edge(clk) then
mem_we <= push;
if push = '1' then
ptr <= ptr + 1;
dout <= din;
elsif pop = '1' then
ptr <= ptr - 1;
end if;
end if;
end process;
end Behavioral;
+109
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-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: cpu_embedded using cpu_core and rom
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.numeric_std.ALL;
use work.cpu_pkg.all;
entity cpu_embedded is
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ce : in STD_LOGIC;
int_in : in STD_LOGIC;
int_ack : out STD_LOGIC;
xmem_wait : in STD_LOGIC;
xmem_we : out STD_LOGIC;
xmem_re : out STD_LOGIC;
xmem_din : in unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_dout : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_addr : out unsigned (DMEM_ADDR_WIDTH-1 downto 0);
io_sel : out STD_LOGIC
);
end cpu_embedded;
architecture rtl of cpu_embedded is
signal irom_data : unsigned (IMEM_DATA_WIDTH-1 downto 0);
signal irom_addr : unsigned (IMEM_ADDR_WIDTH-1 downto 0);
COMPONENT cpu
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ce : in STD_LOGIC;
int_in : in STD_LOGIC;
int_ack : out STD_LOGIC;
xmem_wait : in STD_LOGIC;
xmem_we : out STD_LOGIC;
xmem_re : out STD_LOGIC;
instr_din : in unsigned (IMEM_DATA_WIDTH-1 downto 0);
instr_addr : out unsigned (IMEM_ADDR_WIDTH-1 downto 0);
xmem_din : in unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_dout : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_addr : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
io_sel : out STD_LOGIC
);
END COMPONENT;
COMPONENT irom
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in inst_addr_t;
dout : out inst_t
);
END COMPONENT;
begin
inst_cpu: cpu
PORT MAP(
rst => rst,
clk => clk,
ce => ce,
int_in => int_in,
int_ack => int_ack,
xmem_wait => xmem_wait,
xmem_we => xmem_we,
xmem_re => xmem_re,
instr_din => irom_data,
instr_addr => irom_addr,
xmem_din => xmem_din,
xmem_dout => xmem_dout,
xmem_addr => xmem_addr,
io_sel => io_sel
);
inst_irom: irom
PORT MAP(
clk => clk,
ce => ce,
addr => irom_addr,
dout => irom_data
);
end rtl;
+79
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-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY irom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in inst_addr_t;
dout : out inst_t
);
END irom;
ARCHITECTURE dctest OF irom IS
type imem_rom_t is array (0 to 17) of inst_t;
-- Assembled from dctest.jsm
constant imem_rom : imem_rom_t :=
(
"110000" & X"010", -- 0x000: JMP 0x010
"110000" & X"011", -- 0x001: JMP 0x011
"000000" & X"000", -- 0x002:
"000000" & X"000", -- 0x003:
"000000" & X"000", -- 0x004:
"000000" & X"000", -- 0x005:
"000000" & X"000", -- 0x006:
"000000" & X"000", -- 0x007:
"000000" & X"000", -- 0x008:
"000000" & X"000", -- 0x009:
"000000" & X"000", -- 0x00A:
"000000" & X"000", -- 0x00B:
"000000" & X"000", -- 0x00C:
"000000" & X"000", -- 0x00D:
"000000" & X"000", -- 0x00E:
"000000" & X"000", -- 0x00F:
"110000" & X"010", -- 0x010: JMP 0x010
"111111" & X"000" -- 0x011: RETI
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= imem_rom(to_integer(addr));
end if;
end process;
end dctest;
File diff suppressed because it is too large Load Diff
+317
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-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE dctest OF xrom IS
type xmem_rom_t is array (0 to 255) of dmem_data_t;
-- Assembled from dctest.jsm
constant xmem_rom : xmem_rom_t :=
(
X"00", -- 0x00
X"00", -- 0x01
X"00", -- 0x02
X"00", -- 0x03
X"01", -- 0x04
X"12", -- 0x05
X"41", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"48", -- 0x17
X"61", -- 0x18
X"6C", -- 0x19
X"6C", -- 0x1A
X"6F", -- 0x1B
X"0D", -- 0x1C
X"0A", -- 0x1D
X"00", -- 0x1E
X"4A", -- 0x1F
X"65", -- 0x20
X"6E", -- 0x21
X"73", -- 0x22
X"00", -- 0x23
X"57", -- 0x24
X"65", -- 0x25
X"6C", -- 0x26
X"63", -- 0x27
X"6F", -- 0x28
X"6D", -- 0x29
X"65", -- 0x2A
X"20", -- 0x2B
X"74", -- 0x2C
X"6F", -- 0x2D
X"20", -- 0x2E
X"4A", -- 0x2F
X"41", -- 0x30
X"53", -- 0x31
X"4D", -- 0x32
X"20", -- 0x33
X"43", -- 0x34
X"50", -- 0x35
X"55", -- 0x36
X"00", -- 0x37
X"52", -- 0x38
X"65", -- 0x39
X"61", -- 0x3A
X"64", -- 0x3B
X"79", -- 0x3C
X"00", -- 0x3D
X"54", -- 0x3E
X"65", -- 0x3F
X"73", -- 0x40
X"74", -- 0x41
X"69", -- 0x42
X"6E", -- 0x43
X"67", -- 0x44
X"00", -- 0x45
X"50", -- 0x46
X"61", -- 0x47
X"73", -- 0x48
X"73", -- 0x49
X"65", -- 0x4A
X"64", -- 0x4B
X"00", -- 0x4C
X"45", -- 0x4D
X"72", -- 0x4E
X"72", -- 0x4F
X"6F", -- 0x50
X"72", -- 0x51
X"00", -- 0x52
X"0D", -- 0x53
X"0A", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
end dctest;
+413
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@@ -0,0 +1,413 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: loadable ROM
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library UNISIM;
use UNISIM.VComponents.all;
library work;
use work.cpu_pkg.all;
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE loadable OF xrom IS
-- JASM_ROM_INSERT_HERE
-- Assembled from dctest.jsm
type xmem_rom_t is array (0 to 255) of dmem_data_t;
signal xmem_rom : xmem_rom_t :=
(
X"00", -- 0x00
X"00", -- 0x01
X"00", -- 0x02
X"00", -- 0x03
X"01", -- 0x04
X"12", -- 0x05
X"41", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"48", -- 0x17
X"61", -- 0x18
X"6C", -- 0x19
X"6C", -- 0x1A
X"6F", -- 0x1B
X"0D", -- 0x1C
X"0A", -- 0x1D
X"00", -- 0x1E
X"4A", -- 0x1F
X"65", -- 0x20
X"6E", -- 0x21
X"73", -- 0x22
X"00", -- 0x23
X"57", -- 0x24
X"65", -- 0x25
X"6C", -- 0x26
X"63", -- 0x27
X"6F", -- 0x28
X"6D", -- 0x29
X"65", -- 0x2A
X"20", -- 0x2B
X"74", -- 0x2C
X"6F", -- 0x2D
X"20", -- 0x2E
X"4A", -- 0x2F
X"41", -- 0x30
X"53", -- 0x31
X"4D", -- 0x32
X"20", -- 0x33
X"43", -- 0x34
X"50", -- 0x35
X"55", -- 0x36
X"00", -- 0x37
X"52", -- 0x38
X"65", -- 0x39
X"61", -- 0x3A
X"64", -- 0x3B
X"79", -- 0x3C
X"00", -- 0x3D
X"54", -- 0x3E
X"65", -- 0x3F
X"73", -- 0x40
X"74", -- 0x41
X"69", -- 0x42
X"6E", -- 0x43
X"67", -- 0x44
X"00", -- 0x45
X"50", -- 0x46
X"61", -- 0x47
X"73", -- 0x48
X"73", -- 0x49
X"65", -- 0x4A
X"64", -- 0x4B
X"00", -- 0x4C
X"45", -- 0x4D
X"72", -- 0x4E
X"72", -- 0x4F
X"6F", -- 0x50
X"72", -- 0x51
X"00", -- 0x52
X"0D", -- 0x53
X"0A", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
signal jtag_ld_clk : STD_LOGIC;
signal jtag_ld_we : STD_LOGIC;
signal jtag_ld_addr : dmem_addr_t;
signal jtag_ld_dout : dmem_data_t;
signal jtag_ld_din : dmem_data_t;
signal bs_rst, bs_sel, bs_shift, bs_tdi, bs_tdo : std_logic;
signal bs_capture, bs_clk0, bs_clk1, bs_update0, bs_update1 : std_logic;
signal user_regi, user_rego : unsigned (15 downto 0);
constant id : unsigned (15 downto 0) := X"BEEF";
begin
--------------------------------------------------------------------------
-- Virtex-4: JTAG Loader
--------------------------------------------------------------------------
i00_BUFG : BUFG
port map
(
O => bs_clk1,
I => bs_clk0
);
i01_BUFG : BUFG
port map
(
O => bs_update1,
I => bs_update0
);
BSCAN_VIRTEX4_inst2 : BSCAN_VIRTEX4
generic map
(
JTAG_CHAIN => 2 -- Value to set BSCAN site of device. Possible values: (1,2,3 or 4)
)
port map
(
CAPTURE => bs_capture, -- CAPTURE output from TAP controller
DRCK => bs_clk0, -- Data register output for USER functions
RESET => bs_rst, -- Reset output from TAP controller
SEL => bs_sel, -- USER active output
SHIFT => bs_shift, -- SHIFT output from TAP controller
TDI => bs_tdi, -- TDI output from TAP controller
UPDATE => bs_update0, -- UPDATE output from TAP controller
TDO => bs_tdo -- Data input for USER function
);
jtag_ld_addr <= user_regi(user_regi'left downto user_regi'left-dmem_data_t'length+1);
jtag_ld_din <= user_regi(dmem_data_t'left downto 0);
jtag_ld_clk <= bs_update1;
jtag_ld_we <= bs_sel;
sipo:
process (bs_rst, bs_clk1, bs_tdi, bs_shift)
begin
if bs_rst = '1' then
user_regi <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_regi <= bs_tdi & user_regi(user_regi'left downto 1);
end if;
end if;
end process;
piso:
process (bs_rst, bs_clk1, bs_shift, user_rego)
begin
bs_tdo <= user_rego(0);
if bs_rst = '1' then
user_rego <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_rego <= user_rego(0) & user_rego(user_rego'left downto 1);
else
user_rego <= (user_rego'left downto dmem_data_t'length => '0') & jtag_ld_dout;
-- user_rego <= id;
end if;
end if;
end process;
--------------------------------------------------------------------------
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
PROM_WRITE:
process(jtag_ld_clk, jtag_ld_we)
begin
if rising_edge(jtag_ld_clk) then
if jtag_ld_we = '1' then
xmem_rom(to_integer(jtag_ld_addr)) <= jtag_ld_din;
else
jtag_ld_dout <= xmem_rom(to_integer(jtag_ld_addr));
end if;
end if;
end process;
--------------------------------------------------------------------------
end loadable;
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
+317
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@@ -0,0 +1,317 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE itest OF xrom IS
type xmem_rom_t is array (0 to 255) of dmem_data_t;
-- Assembled from itest.jsm
constant xmem_rom : xmem_rom_t :=
(
X"48", -- 0x00
X"61", -- 0x01
X"6C", -- 0x02
X"6C", -- 0x03
X"6F", -- 0x04
X"00", -- 0x05
X"00", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"00", -- 0x17
X"00", -- 0x18
X"00", -- 0x19
X"00", -- 0x1A
X"00", -- 0x1B
X"00", -- 0x1C
X"00", -- 0x1D
X"00", -- 0x1E
X"00", -- 0x1F
X"00", -- 0x20
X"00", -- 0x21
X"00", -- 0x22
X"00", -- 0x23
X"00", -- 0x24
X"00", -- 0x25
X"00", -- 0x26
X"00", -- 0x27
X"00", -- 0x28
X"00", -- 0x29
X"00", -- 0x2A
X"00", -- 0x2B
X"00", -- 0x2C
X"00", -- 0x2D
X"00", -- 0x2E
X"00", -- 0x2F
X"00", -- 0x30
X"00", -- 0x31
X"00", -- 0x32
X"00", -- 0x33
X"00", -- 0x34
X"00", -- 0x35
X"00", -- 0x36
X"00", -- 0x37
X"00", -- 0x38
X"00", -- 0x39
X"00", -- 0x3A
X"00", -- 0x3B
X"00", -- 0x3C
X"00", -- 0x3D
X"00", -- 0x3E
X"00", -- 0x3F
X"00", -- 0x40
X"00", -- 0x41
X"00", -- 0x42
X"00", -- 0x43
X"00", -- 0x44
X"00", -- 0x45
X"00", -- 0x46
X"00", -- 0x47
X"00", -- 0x48
X"00", -- 0x49
X"00", -- 0x4A
X"00", -- 0x4B
X"00", -- 0x4C
X"00", -- 0x4D
X"00", -- 0x4E
X"00", -- 0x4F
X"00", -- 0x50
X"00", -- 0x51
X"00", -- 0x52
X"00", -- 0x53
X"00", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
end itest;
+413
View File
@@ -0,0 +1,413 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: loadable ROM
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library UNISIM;
use UNISIM.VComponents.all;
library work;
use work.cpu_pkg.all;
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE loadable OF xrom IS
-- JASM_ROM_INSERT_HERE
-- Assembled from itest.jsm
type xmem_rom_t is array (0 to 255) of dmem_data_t;
signal xmem_rom : xmem_rom_t :=
(
X"48", -- 0x00
X"61", -- 0x01
X"6C", -- 0x02
X"6C", -- 0x03
X"6F", -- 0x04
X"00", -- 0x05
X"00", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"00", -- 0x17
X"00", -- 0x18
X"00", -- 0x19
X"00", -- 0x1A
X"00", -- 0x1B
X"00", -- 0x1C
X"00", -- 0x1D
X"00", -- 0x1E
X"00", -- 0x1F
X"00", -- 0x20
X"00", -- 0x21
X"00", -- 0x22
X"00", -- 0x23
X"00", -- 0x24
X"00", -- 0x25
X"00", -- 0x26
X"00", -- 0x27
X"00", -- 0x28
X"00", -- 0x29
X"00", -- 0x2A
X"00", -- 0x2B
X"00", -- 0x2C
X"00", -- 0x2D
X"00", -- 0x2E
X"00", -- 0x2F
X"00", -- 0x30
X"00", -- 0x31
X"00", -- 0x32
X"00", -- 0x33
X"00", -- 0x34
X"00", -- 0x35
X"00", -- 0x36
X"00", -- 0x37
X"00", -- 0x38
X"00", -- 0x39
X"00", -- 0x3A
X"00", -- 0x3B
X"00", -- 0x3C
X"00", -- 0x3D
X"00", -- 0x3E
X"00", -- 0x3F
X"00", -- 0x40
X"00", -- 0x41
X"00", -- 0x42
X"00", -- 0x43
X"00", -- 0x44
X"00", -- 0x45
X"00", -- 0x46
X"00", -- 0x47
X"00", -- 0x48
X"00", -- 0x49
X"00", -- 0x4A
X"00", -- 0x4B
X"00", -- 0x4C
X"00", -- 0x4D
X"00", -- 0x4E
X"00", -- 0x4F
X"00", -- 0x50
X"00", -- 0x51
X"00", -- 0x52
X"00", -- 0x53
X"00", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
signal jtag_ld_clk : STD_LOGIC;
signal jtag_ld_we : STD_LOGIC;
signal jtag_ld_addr : dmem_addr_t;
signal jtag_ld_dout : dmem_data_t;
signal jtag_ld_din : dmem_data_t;
signal bs_rst, bs_sel, bs_shift, bs_tdi, bs_tdo : std_logic;
signal bs_capture, bs_clk0, bs_clk1, bs_update0, bs_update1 : std_logic;
signal user_regi, user_rego : unsigned (15 downto 0);
constant id : unsigned (15 downto 0) := X"BEEF";
begin
--------------------------------------------------------------------------
-- Virtex-4: JTAG Loader
--------------------------------------------------------------------------
i00_BUFG : BUFG
port map
(
O => bs_clk1,
I => bs_clk0
);
i01_BUFG : BUFG
port map
(
O => bs_update1,
I => bs_update0
);
BSCAN_VIRTEX4_inst2 : BSCAN_VIRTEX4
generic map
(
JTAG_CHAIN => 2 -- Value to set BSCAN site of device. Possible values: (1,2,3 or 4)
)
port map
(
CAPTURE => bs_capture, -- CAPTURE output from TAP controller
DRCK => bs_clk0, -- Data register output for USER functions
RESET => bs_rst, -- Reset output from TAP controller
SEL => bs_sel, -- USER active output
SHIFT => bs_shift, -- SHIFT output from TAP controller
TDI => bs_tdi, -- TDI output from TAP controller
UPDATE => bs_update0, -- UPDATE output from TAP controller
TDO => bs_tdo -- Data input for USER function
);
jtag_ld_addr <= user_regi(user_regi'left downto user_regi'left-dmem_data_t'length+1);
jtag_ld_din <= user_regi(dmem_data_t'left downto 0);
jtag_ld_clk <= bs_update1;
jtag_ld_we <= bs_sel;
sipo:
process (bs_rst, bs_clk1, bs_tdi, bs_shift)
begin
if bs_rst = '1' then
user_regi <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_regi <= bs_tdi & user_regi(user_regi'left downto 1);
end if;
end if;
end process;
piso:
process (bs_rst, bs_clk1, bs_shift, user_rego)
begin
bs_tdo <= user_rego(0);
if bs_rst = '1' then
user_rego <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_rego <= user_rego(0) & user_rego(user_rego'left downto 1);
else
user_rego <= (user_rego'left downto dmem_data_t'length => '0') & jtag_ld_dout;
-- user_rego <= id;
end if;
end if;
end process;
--------------------------------------------------------------------------
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
PROM_WRITE:
process(jtag_ld_clk, jtag_ld_we)
begin
if rising_edge(jtag_ld_clk) then
if jtag_ld_we = '1' then
xmem_rom(to_integer(jtag_ld_addr)) <= jtag_ld_din;
else
jtag_ld_dout <= xmem_rom(to_integer(jtag_ld_addr));
end if;
end if;
end process;
--------------------------------------------------------------------------
end loadable;
+88
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@@ -0,0 +1,88 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY irom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in inst_addr_t;
dout : out inst_t
);
END irom;
ARCHITECTURE mul8x8 OF irom IS
type imem_rom_t is array (0 to 26) of inst_t;
-- Assembled from mul8x8.jsm
constant imem_rom : imem_rom_t :=
(
"110000" & X"001", -- 0x000: JMP 0x001
"000011" & X"450", -- 0x001: MOV R00, 0x45
"000011" & X"F51", -- 0x002: MOV R01, 0xF5
"111011" & X"005", -- 0x003: CALL 0x005
"110000" & X"004", -- 0x004: JMP 0x004
"111100" & X"002", -- 0x005: PUSH R02
"111100" & X"003", -- 0x006: PUSH R03
"111100" & X"004", -- 0x007: PUSH R04
"000010" & X"014", -- 0x008: MOV R04, R01
"000011" & X"001", -- 0x009: MOV R01, 0x00
"000011" & X"002", -- 0x00A: MOV R02, 0x00
"000011" & X"003", -- 0x00B: MOV R03, 0x00
"001111" & X"014", -- 0x00C: CMP R04, 0x01
"111001" & X"015", -- 0x00D: JEQ 0x015
"011111" & X"004", -- 0x00E: SHR R04
"110100" & X"012", -- 0x00F: JNC 0x012
"010000" & X"002", -- 0x010: ADD R02, R00
"010010" & X"013", -- 0x011: ADDC R03, R01
"011110" & X"000", -- 0x012: SHL R00
"100010" & X"001", -- 0x013: ROLC R01
"110000" & X"00C", -- 0x014: JMP 0x00C
"010000" & X"020", -- 0x015: ADD R00, R02
"010010" & X"031", -- 0x016: ADDC R01, R03
"111101" & X"004", -- 0x017: POP R04
"111101" & X"003", -- 0x018: POP R03
"111101" & X"002", -- 0x019: POP R02
"111110" & X"000" -- 0x01A: RET
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= imem_rom(to_integer(addr));
end if;
end process;
end mul8x8;
File diff suppressed because it is too large Load Diff
+317
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@@ -0,0 +1,317 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE mul8x8 OF xrom IS
type xmem_rom_t is array (0 to 255) of dmem_data_t;
-- Assembled from mul8x8.jsm
constant xmem_rom : xmem_rom_t :=
(
X"00", -- 0x00
X"00", -- 0x01
X"00", -- 0x02
X"00", -- 0x03
X"00", -- 0x04
X"00", -- 0x05
X"00", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"00", -- 0x17
X"00", -- 0x18
X"00", -- 0x19
X"00", -- 0x1A
X"00", -- 0x1B
X"00", -- 0x1C
X"00", -- 0x1D
X"00", -- 0x1E
X"00", -- 0x1F
X"00", -- 0x20
X"00", -- 0x21
X"00", -- 0x22
X"00", -- 0x23
X"00", -- 0x24
X"00", -- 0x25
X"00", -- 0x26
X"00", -- 0x27
X"00", -- 0x28
X"00", -- 0x29
X"00", -- 0x2A
X"00", -- 0x2B
X"00", -- 0x2C
X"00", -- 0x2D
X"00", -- 0x2E
X"00", -- 0x2F
X"00", -- 0x30
X"00", -- 0x31
X"00", -- 0x32
X"00", -- 0x33
X"00", -- 0x34
X"00", -- 0x35
X"00", -- 0x36
X"00", -- 0x37
X"00", -- 0x38
X"00", -- 0x39
X"00", -- 0x3A
X"00", -- 0x3B
X"00", -- 0x3C
X"00", -- 0x3D
X"00", -- 0x3E
X"00", -- 0x3F
X"00", -- 0x40
X"00", -- 0x41
X"00", -- 0x42
X"00", -- 0x43
X"00", -- 0x44
X"00", -- 0x45
X"00", -- 0x46
X"00", -- 0x47
X"00", -- 0x48
X"00", -- 0x49
X"00", -- 0x4A
X"00", -- 0x4B
X"00", -- 0x4C
X"00", -- 0x4D
X"00", -- 0x4E
X"00", -- 0x4F
X"00", -- 0x50
X"00", -- 0x51
X"00", -- 0x52
X"00", -- 0x53
X"00", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
end mul8x8;
+413
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@@ -0,0 +1,413 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: loadable ROM
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library UNISIM;
use UNISIM.VComponents.all;
library work;
use work.cpu_pkg.all;
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE loadable OF xrom IS
-- JASM_ROM_INSERT_HERE
-- Assembled from mul8x8.jsm
type xmem_rom_t is array (0 to 255) of dmem_data_t;
signal xmem_rom : xmem_rom_t :=
(
X"00", -- 0x00
X"00", -- 0x01
X"00", -- 0x02
X"00", -- 0x03
X"00", -- 0x04
X"00", -- 0x05
X"00", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"00", -- 0x17
X"00", -- 0x18
X"00", -- 0x19
X"00", -- 0x1A
X"00", -- 0x1B
X"00", -- 0x1C
X"00", -- 0x1D
X"00", -- 0x1E
X"00", -- 0x1F
X"00", -- 0x20
X"00", -- 0x21
X"00", -- 0x22
X"00", -- 0x23
X"00", -- 0x24
X"00", -- 0x25
X"00", -- 0x26
X"00", -- 0x27
X"00", -- 0x28
X"00", -- 0x29
X"00", -- 0x2A
X"00", -- 0x2B
X"00", -- 0x2C
X"00", -- 0x2D
X"00", -- 0x2E
X"00", -- 0x2F
X"00", -- 0x30
X"00", -- 0x31
X"00", -- 0x32
X"00", -- 0x33
X"00", -- 0x34
X"00", -- 0x35
X"00", -- 0x36
X"00", -- 0x37
X"00", -- 0x38
X"00", -- 0x39
X"00", -- 0x3A
X"00", -- 0x3B
X"00", -- 0x3C
X"00", -- 0x3D
X"00", -- 0x3E
X"00", -- 0x3F
X"00", -- 0x40
X"00", -- 0x41
X"00", -- 0x42
X"00", -- 0x43
X"00", -- 0x44
X"00", -- 0x45
X"00", -- 0x46
X"00", -- 0x47
X"00", -- 0x48
X"00", -- 0x49
X"00", -- 0x4A
X"00", -- 0x4B
X"00", -- 0x4C
X"00", -- 0x4D
X"00", -- 0x4E
X"00", -- 0x4F
X"00", -- 0x50
X"00", -- 0x51
X"00", -- 0x52
X"00", -- 0x53
X"00", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
signal jtag_ld_clk : STD_LOGIC;
signal jtag_ld_we : STD_LOGIC;
signal jtag_ld_addr : dmem_addr_t;
signal jtag_ld_dout : dmem_data_t;
signal jtag_ld_din : dmem_data_t;
signal bs_rst, bs_sel, bs_shift, bs_tdi, bs_tdo : std_logic;
signal bs_capture, bs_clk0, bs_clk1, bs_update0, bs_update1 : std_logic;
signal user_regi, user_rego : unsigned (15 downto 0);
constant id : unsigned (15 downto 0) := X"BEEF";
begin
--------------------------------------------------------------------------
-- Virtex-4: JTAG Loader
--------------------------------------------------------------------------
i00_BUFG : BUFG
port map
(
O => bs_clk1,
I => bs_clk0
);
i01_BUFG : BUFG
port map
(
O => bs_update1,
I => bs_update0
);
BSCAN_VIRTEX4_inst2 : BSCAN_VIRTEX4
generic map
(
JTAG_CHAIN => 2 -- Value to set BSCAN site of device. Possible values: (1,2,3 or 4)
)
port map
(
CAPTURE => bs_capture, -- CAPTURE output from TAP controller
DRCK => bs_clk0, -- Data register output for USER functions
RESET => bs_rst, -- Reset output from TAP controller
SEL => bs_sel, -- USER active output
SHIFT => bs_shift, -- SHIFT output from TAP controller
TDI => bs_tdi, -- TDI output from TAP controller
UPDATE => bs_update0, -- UPDATE output from TAP controller
TDO => bs_tdo -- Data input for USER function
);
jtag_ld_addr <= user_regi(user_regi'left downto user_regi'left-dmem_data_t'length+1);
jtag_ld_din <= user_regi(dmem_data_t'left downto 0);
jtag_ld_clk <= bs_update1;
jtag_ld_we <= bs_sel;
sipo:
process (bs_rst, bs_clk1, bs_tdi, bs_shift)
begin
if bs_rst = '1' then
user_regi <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_regi <= bs_tdi & user_regi(user_regi'left downto 1);
end if;
end if;
end process;
piso:
process (bs_rst, bs_clk1, bs_shift, user_rego)
begin
bs_tdo <= user_rego(0);
if bs_rst = '1' then
user_rego <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_rego <= user_rego(0) & user_rego(user_rego'left downto 1);
else
user_rego <= (user_rego'left downto dmem_data_t'length => '0') & jtag_ld_dout;
-- user_rego <= id;
end if;
end if;
end process;
--------------------------------------------------------------------------
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
PROM_WRITE:
process(jtag_ld_clk, jtag_ld_we)
begin
if rising_edge(jtag_ld_clk) then
if jtag_ld_we = '1' then
xmem_rom(to_integer(jtag_ld_addr)) <= jtag_ld_din;
else
jtag_ld_dout <= xmem_rom(to_integer(jtag_ld_addr));
end if;
end if;
end process;
--------------------------------------------------------------------------
end loadable;
+89
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@@ -0,0 +1,89 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY irom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in inst_addr_t;
dout : out inst_t
);
END irom;
ARCHITECTURE reti_issue OF irom IS
type imem_rom_t is array (0 to 27) of inst_t;
-- Assembled from reti_issue.jsm
constant imem_rom : imem_rom_t :=
(
"110000" & X"002", -- 0x000: JMP 0x002
"111111" & X"000", -- 0x001: RETI
"000011" & X"050", -- 0x002: MOV R00, 0x05
"100110" & X"030", -- 0x003: COUT (0x03), R00
"000011" & X"000", -- 0x004: MOV R00, 0x00
"000000" & X"000", -- 0x005: NOP
"010001" & X"010", -- 0x006: INC R00
"000000" & X"000", -- 0x007: NOP
"111011" & X"01B", -- 0x008: CALL 0x01B
"000000" & X"000", -- 0x009: NOP
"111100" & X"003", -- 0x00A: PUSH R03
"000000" & X"000", -- 0x00B: NOP
"111100" & X"002", -- 0x00C: PUSH R02
"000000" & X"000", -- 0x00D: NOP
"111100" & X"001", -- 0x00E: PUSH R01
"000000" & X"000", -- 0x00F: NOP
"111100" & X"000", -- 0x010: PUSH R00
"000000" & X"000", -- 0x011: NOP
"111101" & X"000", -- 0x012: POP R00
"000000" & X"000", -- 0x013: NOP
"111101" & X"001", -- 0x014: POP R01
"000000" & X"000", -- 0x015: NOP
"111101" & X"002", -- 0x016: POP R02
"000000" & X"000", -- 0x017: NOP
"111101" & X"003", -- 0x018: POP R03
"000000" & X"000", -- 0x019: NOP
"110000" & X"005", -- 0x01A: JMP 0x005
"111110" & X"000" -- 0x01B: RET
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= imem_rom(to_integer(addr));
end if;
end process;
end reti_issue;
File diff suppressed because it is too large Load Diff
+317
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@@ -0,0 +1,317 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE reti_issue OF xrom IS
type xmem_rom_t is array (0 to 255) of dmem_data_t;
-- Assembled from reti_issue.jsm
constant xmem_rom : xmem_rom_t :=
(
X"00", -- 0x00
X"00", -- 0x01
X"00", -- 0x02
X"00", -- 0x03
X"00", -- 0x04
X"00", -- 0x05
X"00", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"00", -- 0x17
X"00", -- 0x18
X"00", -- 0x19
X"00", -- 0x1A
X"00", -- 0x1B
X"00", -- 0x1C
X"00", -- 0x1D
X"00", -- 0x1E
X"00", -- 0x1F
X"00", -- 0x20
X"00", -- 0x21
X"00", -- 0x22
X"00", -- 0x23
X"00", -- 0x24
X"00", -- 0x25
X"00", -- 0x26
X"00", -- 0x27
X"00", -- 0x28
X"00", -- 0x29
X"00", -- 0x2A
X"00", -- 0x2B
X"00", -- 0x2C
X"00", -- 0x2D
X"00", -- 0x2E
X"00", -- 0x2F
X"00", -- 0x30
X"00", -- 0x31
X"00", -- 0x32
X"00", -- 0x33
X"00", -- 0x34
X"00", -- 0x35
X"00", -- 0x36
X"00", -- 0x37
X"00", -- 0x38
X"00", -- 0x39
X"00", -- 0x3A
X"00", -- 0x3B
X"00", -- 0x3C
X"00", -- 0x3D
X"00", -- 0x3E
X"00", -- 0x3F
X"00", -- 0x40
X"00", -- 0x41
X"00", -- 0x42
X"00", -- 0x43
X"00", -- 0x44
X"00", -- 0x45
X"00", -- 0x46
X"00", -- 0x47
X"00", -- 0x48
X"00", -- 0x49
X"00", -- 0x4A
X"00", -- 0x4B
X"00", -- 0x4C
X"00", -- 0x4D
X"00", -- 0x4E
X"00", -- 0x4F
X"00", -- 0x50
X"00", -- 0x51
X"00", -- 0x52
X"00", -- 0x53
X"00", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
begin
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
end reti_issue;
+413
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@@ -0,0 +1,413 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: loadable ROM
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library UNISIM;
use UNISIM.VComponents.all;
library work;
use work.cpu_pkg.all;
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END xrom;
ARCHITECTURE loadable OF xrom IS
-- JASM_ROM_INSERT_HERE
-- Assembled from reti_issue.jsm
type xmem_rom_t is array (0 to 255) of dmem_data_t;
signal xmem_rom : xmem_rom_t :=
(
X"00", -- 0x00
X"00", -- 0x01
X"00", -- 0x02
X"00", -- 0x03
X"00", -- 0x04
X"00", -- 0x05
X"00", -- 0x06
X"00", -- 0x07
X"00", -- 0x08
X"00", -- 0x09
X"00", -- 0x0A
X"00", -- 0x0B
X"00", -- 0x0C
X"00", -- 0x0D
X"00", -- 0x0E
X"00", -- 0x0F
X"00", -- 0x10
X"00", -- 0x11
X"00", -- 0x12
X"00", -- 0x13
X"00", -- 0x14
X"00", -- 0x15
X"00", -- 0x16
X"00", -- 0x17
X"00", -- 0x18
X"00", -- 0x19
X"00", -- 0x1A
X"00", -- 0x1B
X"00", -- 0x1C
X"00", -- 0x1D
X"00", -- 0x1E
X"00", -- 0x1F
X"00", -- 0x20
X"00", -- 0x21
X"00", -- 0x22
X"00", -- 0x23
X"00", -- 0x24
X"00", -- 0x25
X"00", -- 0x26
X"00", -- 0x27
X"00", -- 0x28
X"00", -- 0x29
X"00", -- 0x2A
X"00", -- 0x2B
X"00", -- 0x2C
X"00", -- 0x2D
X"00", -- 0x2E
X"00", -- 0x2F
X"00", -- 0x30
X"00", -- 0x31
X"00", -- 0x32
X"00", -- 0x33
X"00", -- 0x34
X"00", -- 0x35
X"00", -- 0x36
X"00", -- 0x37
X"00", -- 0x38
X"00", -- 0x39
X"00", -- 0x3A
X"00", -- 0x3B
X"00", -- 0x3C
X"00", -- 0x3D
X"00", -- 0x3E
X"00", -- 0x3F
X"00", -- 0x40
X"00", -- 0x41
X"00", -- 0x42
X"00", -- 0x43
X"00", -- 0x44
X"00", -- 0x45
X"00", -- 0x46
X"00", -- 0x47
X"00", -- 0x48
X"00", -- 0x49
X"00", -- 0x4A
X"00", -- 0x4B
X"00", -- 0x4C
X"00", -- 0x4D
X"00", -- 0x4E
X"00", -- 0x4F
X"00", -- 0x50
X"00", -- 0x51
X"00", -- 0x52
X"00", -- 0x53
X"00", -- 0x54
X"00", -- 0x55
X"00", -- 0x56
X"00", -- 0x57
X"00", -- 0x58
X"00", -- 0x59
X"00", -- 0x5A
X"00", -- 0x5B
X"00", -- 0x5C
X"00", -- 0x5D
X"00", -- 0x5E
X"00", -- 0x5F
X"00", -- 0x60
X"00", -- 0x61
X"00", -- 0x62
X"00", -- 0x63
X"00", -- 0x64
X"00", -- 0x65
X"00", -- 0x66
X"00", -- 0x67
X"00", -- 0x68
X"00", -- 0x69
X"00", -- 0x6A
X"00", -- 0x6B
X"00", -- 0x6C
X"00", -- 0x6D
X"00", -- 0x6E
X"00", -- 0x6F
X"00", -- 0x70
X"00", -- 0x71
X"00", -- 0x72
X"00", -- 0x73
X"00", -- 0x74
X"00", -- 0x75
X"00", -- 0x76
X"00", -- 0x77
X"00", -- 0x78
X"00", -- 0x79
X"00", -- 0x7A
X"00", -- 0x7B
X"00", -- 0x7C
X"00", -- 0x7D
X"00", -- 0x7E
X"00", -- 0x7F
X"00", -- 0x80
X"00", -- 0x81
X"00", -- 0x82
X"00", -- 0x83
X"00", -- 0x84
X"00", -- 0x85
X"00", -- 0x86
X"00", -- 0x87
X"00", -- 0x88
X"00", -- 0x89
X"00", -- 0x8A
X"00", -- 0x8B
X"00", -- 0x8C
X"00", -- 0x8D
X"00", -- 0x8E
X"00", -- 0x8F
X"00", -- 0x90
X"00", -- 0x91
X"00", -- 0x92
X"00", -- 0x93
X"00", -- 0x94
X"00", -- 0x95
X"00", -- 0x96
X"00", -- 0x97
X"00", -- 0x98
X"00", -- 0x99
X"00", -- 0x9A
X"00", -- 0x9B
X"00", -- 0x9C
X"00", -- 0x9D
X"00", -- 0x9E
X"00", -- 0x9F
X"00", -- 0xA0
X"00", -- 0xA1
X"00", -- 0xA2
X"00", -- 0xA3
X"00", -- 0xA4
X"00", -- 0xA5
X"00", -- 0xA6
X"00", -- 0xA7
X"00", -- 0xA8
X"00", -- 0xA9
X"00", -- 0xAA
X"00", -- 0xAB
X"00", -- 0xAC
X"00", -- 0xAD
X"00", -- 0xAE
X"00", -- 0xAF
X"00", -- 0xB0
X"00", -- 0xB1
X"00", -- 0xB2
X"00", -- 0xB3
X"00", -- 0xB4
X"00", -- 0xB5
X"00", -- 0xB6
X"00", -- 0xB7
X"00", -- 0xB8
X"00", -- 0xB9
X"00", -- 0xBA
X"00", -- 0xBB
X"00", -- 0xBC
X"00", -- 0xBD
X"00", -- 0xBE
X"00", -- 0xBF
X"00", -- 0xC0
X"00", -- 0xC1
X"00", -- 0xC2
X"00", -- 0xC3
X"00", -- 0xC4
X"00", -- 0xC5
X"00", -- 0xC6
X"00", -- 0xC7
X"00", -- 0xC8
X"00", -- 0xC9
X"00", -- 0xCA
X"00", -- 0xCB
X"00", -- 0xCC
X"00", -- 0xCD
X"00", -- 0xCE
X"00", -- 0xCF
X"00", -- 0xD0
X"00", -- 0xD1
X"00", -- 0xD2
X"00", -- 0xD3
X"00", -- 0xD4
X"00", -- 0xD5
X"00", -- 0xD6
X"00", -- 0xD7
X"00", -- 0xD8
X"00", -- 0xD9
X"00", -- 0xDA
X"00", -- 0xDB
X"00", -- 0xDC
X"00", -- 0xDD
X"00", -- 0xDE
X"00", -- 0xDF
X"00", -- 0xE0
X"00", -- 0xE1
X"00", -- 0xE2
X"00", -- 0xE3
X"00", -- 0xE4
X"00", -- 0xE5
X"00", -- 0xE6
X"00", -- 0xE7
X"00", -- 0xE8
X"00", -- 0xE9
X"00", -- 0xEA
X"00", -- 0xEB
X"00", -- 0xEC
X"00", -- 0xED
X"00", -- 0xEE
X"00", -- 0xEF
X"00", -- 0xF0
X"00", -- 0xF1
X"00", -- 0xF2
X"00", -- 0xF3
X"00", -- 0xF4
X"00", -- 0xF5
X"00", -- 0xF6
X"00", -- 0xF7
X"00", -- 0xF8
X"00", -- 0xF9
X"00", -- 0xFA
X"00", -- 0xFB
X"00", -- 0xFC
X"00", -- 0xFD
X"00", -- 0xFE
X"00" -- 0xFF
);
signal jtag_ld_clk : STD_LOGIC;
signal jtag_ld_we : STD_LOGIC;
signal jtag_ld_addr : dmem_addr_t;
signal jtag_ld_dout : dmem_data_t;
signal jtag_ld_din : dmem_data_t;
signal bs_rst, bs_sel, bs_shift, bs_tdi, bs_tdo : std_logic;
signal bs_capture, bs_clk0, bs_clk1, bs_update0, bs_update1 : std_logic;
signal user_regi, user_rego : unsigned (15 downto 0);
constant id : unsigned (15 downto 0) := X"BEEF";
begin
--------------------------------------------------------------------------
-- Virtex-4: JTAG Loader
--------------------------------------------------------------------------
i00_BUFG : BUFG
port map
(
O => bs_clk1,
I => bs_clk0
);
i01_BUFG : BUFG
port map
(
O => bs_update1,
I => bs_update0
);
BSCAN_VIRTEX4_inst2 : BSCAN_VIRTEX4
generic map
(
JTAG_CHAIN => 2 -- Value to set BSCAN site of device. Possible values: (1,2,3 or 4)
)
port map
(
CAPTURE => bs_capture, -- CAPTURE output from TAP controller
DRCK => bs_clk0, -- Data register output for USER functions
RESET => bs_rst, -- Reset output from TAP controller
SEL => bs_sel, -- USER active output
SHIFT => bs_shift, -- SHIFT output from TAP controller
TDI => bs_tdi, -- TDI output from TAP controller
UPDATE => bs_update0, -- UPDATE output from TAP controller
TDO => bs_tdo -- Data input for USER function
);
jtag_ld_addr <= user_regi(user_regi'left downto user_regi'left-dmem_data_t'length+1);
jtag_ld_din <= user_regi(dmem_data_t'left downto 0);
jtag_ld_clk <= bs_update1;
jtag_ld_we <= bs_sel;
sipo:
process (bs_rst, bs_clk1, bs_tdi, bs_shift)
begin
if bs_rst = '1' then
user_regi <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_regi <= bs_tdi & user_regi(user_regi'left downto 1);
end if;
end if;
end process;
piso:
process (bs_rst, bs_clk1, bs_shift, user_rego)
begin
bs_tdo <= user_rego(0);
if bs_rst = '1' then
user_rego <= (others => '0');
elsif rising_edge(bs_clk1) then
if bs_shift = '1' then
user_rego <= user_rego(0) & user_rego(user_rego'left downto 1);
else
user_rego <= (user_rego'left downto dmem_data_t'length => '0') & jtag_ld_dout;
-- user_rego <= id;
end if;
end if;
end process;
--------------------------------------------------------------------------
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
PROM_WRITE:
process(jtag_ld_clk, jtag_ld_we)
begin
if rising_edge(jtag_ld_clk) then
if jtag_ld_we = '1' then
xmem_rom(to_integer(jtag_ld_addr)) <= jtag_ld_din;
else
jtag_ld_dout <= xmem_rom(to_integer(jtag_ld_addr));
end if;
end if;
end process;
--------------------------------------------------------------------------
end loadable;
+129
View File
@@ -0,0 +1,129 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: testbench for embedded cpu with rom
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
use std.textio.all; -- Imports the standard textio package.
library work;
use work.cpu_pkg.all;
ENTITY tb_cpu_embedded IS
END tb_cpu_embedded;
ARCHITECTURE behavior OF tb_cpu_embedded IS
COMPONENT cpu_embedded
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ce : in STD_LOGIC;
int_in : in STD_LOGIC;
int_ack : out STD_LOGIC;
xmem_wait : in STD_LOGIC;
xmem_we : out STD_LOGIC;
xmem_re : out STD_LOGIC;
xmem_din : in unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_dout : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_addr : out unsigned (DMEM_ADDR_WIDTH-1 downto 0);
io_sel : out STD_LOGIC
);
END COMPONENT;
constant CLK_PERIOD : time := 10 ns;
type sram_t is array (integer range <>) of dmem_data_t;
signal rst : std_logic := '1';
signal clk : std_logic := '1';
signal ce : std_logic := '0';
signal int_in : std_logic := '0';
signal int_ack : std_logic;
signal xmem_wait : std_logic := '0';
signal xmem_din : dmem_data_t := (others => '-');
signal xmem_dout : dmem_data_t;
signal xmem_addr : dmem_addr_t;
signal xmem_we : std_logic;
signal xmem_re : std_logic;
signal io_sel : std_logic;
signal sram : sram_t(0 to 2**dmem_addr_t'length-1);
BEGIN
uut: cpu_embedded
PORT MAP(
rst => rst,
clk => clk,
ce => ce,
int_in => int_in,
int_ack => int_ack,
xmem_wait => xmem_wait,
xmem_we => xmem_we,
xmem_re => xmem_re,
xmem_din => xmem_din,
xmem_dout => xmem_dout,
xmem_addr => xmem_addr,
io_sel => io_sel
);
CLK_GEN: process
begin
wait for CLK_PERIOD/2;
clk <= not clk;
end process;
STIMULUS: process
begin
wait for 3*CLK_PERIOD;
rst <= '0';
wait for 2*CLK_PERIOD;
wait until rising_edge(clk);
ce <= '1';
wait for 1000*CLK_PERIOD;
assert false report "Test finished" severity error;
wait;
end process;
SRAM_RW: process(rst, clk, xmem_addr, xmem_dout, xmem_we)
begin
if (rst = '1') then
xmem_din <= X"00";
elsif rising_edge(clk) then
if io_sel = '0' then
if xmem_we = '1' then
sram(to_integer(xmem_addr)) <= xmem_dout;
end if;
xmem_din <= to_01(sram(to_integer(xmem_addr)));
else
xmem_din <= X"FF";
end if;
end if;
end process;
END;
+218
View File
@@ -0,0 +1,218 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: Formal test of correct function of JCPU,
-- also writes 'opc.lst' for JASM-assembler
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
use std.textio.all; -- Imports the standard textio package.
library work;
use work.cpu_pkg.all;
use work.PCK_FIO.all;
ENTITY tb_cpu IS
END tb_cpu;
ARCHITECTURE behavior OF tb_cpu IS
COMPONENT cpu
Generic (
use_instr_register : boolean;
use_ctrl_rom : boolean
);
Port (
rst : in STD_LOGIC;
clk : in STD_LOGIC;
ce : in STD_LOGIC;
int_in : in STD_LOGIC;
int_ack : out STD_LOGIC;
xmem_wait : in STD_LOGIC;
xmem_we : out STD_LOGIC;
xmem_re : out STD_LOGIC;
instr_din : in unsigned (IMEM_DATA_WIDTH-1 downto 0);
instr_addr : out unsigned (IMEM_ADDR_WIDTH-1 downto 0);
xmem_din : in unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_dout : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
xmem_addr : out unsigned (DMEM_DATA_WIDTH-1 downto 0);
io_sel : out STD_LOGIC
);
END COMPONENT;
COMPONENT irom
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in inst_addr_t;
dout : out inst_t
);
END COMPONENT;
constant CLK_PERIOD : time := 10 ns;
type prom_t is array (integer range <>) of inst_t;
type sram_t is array (integer range <>) of dmem_data_t;
signal rst : std_logic := '1';
signal clk : std_logic := '1';
signal ce : std_logic := '0';
signal int_in : std_logic := '0';
signal int_ack : std_logic;
signal xmem_wait : std_logic := '1';
signal irom_data : unsigned (IMEM_DATA_WIDTH-1 downto 0) := (others => '-');
signal irom_addr : unsigned (IMEM_ADDR_WIDTH-1 downto 0);
signal xmem_din : dmem_data_t := (others => '-');
signal xmem_dout : dmem_data_t;
signal xmem_addr : unsigned (DMEM_DATA_WIDTH-1 downto 0);
signal xmem_we : std_logic;
signal xmem_re : std_logic;
signal io_sel : std_logic;
signal sram : sram_t(0 to 2**DMEM_DATA_WIDTH-1);
type reg_t is record
revision : dmem_data_t;
testid : dmem_data_t;
interrupt : std_logic;
end record;
signal reg : reg_t;
BEGIN
int_in <= reg.interrupt;
uut: cpu
GENERIC MAP
(
use_instr_register => false,
use_ctrl_rom => true
)
PORT MAP(
rst => rst,
clk => clk,
ce => ce,
int_in => int_in,
int_ack => int_ack,
xmem_wait => xmem_wait,
xmem_we => xmem_we,
xmem_re => xmem_re,
instr_din => irom_data,
instr_addr => irom_addr,
xmem_din => xmem_din,
xmem_dout => xmem_dout,
xmem_addr => xmem_addr,
io_sel => io_sel
);
the_irom: irom
PORT MAP(
clk => clk,
ce => ce,
addr => irom_addr,
dout => irom_data
);
CLK_GEN: process
begin
wait for CLK_PERIOD/2;
clk <= not clk;
end process;
XWAIT_GEN:process(rst, clk)
variable cnt : unsigned(3 downto 0);
begin
if (rst = '1') then
cnt := (others => '1');
elsif rising_edge(clk) then
if cnt /= "0000" then
cnt := cnt - 1;
else
cnt := (others => '1');
xmem_wait <= not xmem_wait;
end if;
end if;
end process;
STIMULUS: process
file RESULT: text open write_mode is "../tools/opc.list";
variable L: line;
begin
for i in 0 to instr_name_array'length-1 loop
fprint(RESULT, L,"%d %s\n", fo(i), instr_name_array(i));
end loop;
wait for 3*CLK_PERIOD;
rst <= '0';
wait for 2*CLK_PERIOD;
wait until rising_edge(clk);
ce <= '1';
assert false report "Test finished" severity error;
wait;
end process;
SRAM_RW: process(rst, clk)
begin
if (rst = '1') then
reg.revision <= (others => '0');
reg.testid <= (others => '0');
reg.interrupt <= '0';
elsif rising_edge(clk) then
if int_ack = '1' then
-- reg.interrupt <= '0';
end if;
if xmem_we = '1' then
if io_sel = '0' then
sram(to_integer(xmem_addr)) <= xmem_dout;
else
case xmem_addr is
when X"00" =>
reg.revision <= xmem_dout;
when X"01" =>
reg.testid <= xmem_dout;
when X"02" =>
reg.interrupt <= xmem_dout(0);
when others => null;
end case;
end if;
else
if io_sel = '0' then
xmem_din <= to_01(sram(to_integer(xmem_addr)));
else
case xmem_addr is
when X"00" =>
xmem_din <= reg.revision;
when X"01" =>
xmem_din <= reg.testid;
when others =>
xmem_din <= X"BC";
end case;
end if;
end if;
end if;
end process;
END;
+10
View File
@@ -0,0 +1,10 @@
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\cpu_pkg.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\stack_ctrl.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\reg_dual.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\pc.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\int_ctrl.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\dpath_ctrl.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\chipreg.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\chipram.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\alu.vhd"
vhdl work "W:\vhdl\lib\CPUs\JCpu\src\core\cpu.vhd"
+42
View File
@@ -0,0 +1,42 @@
#!/usr/bin/env ruby
str1 = %Q!lbl: dc "Hallo", ", ", 0, 1, " der","Jens"!
i=0;
def get_stri_lit (str)
res = [""];
state = "out"
j = 0;
k = 0;
for i in (0..str.length-1)
c = str[i];
nstate = state
case state
when "out"
if c == "\""[0]
nstate = "in"
end
when "in"
if c == "\""[0]
nstate = "out"
if j > 0
k = k + 1;
res[k] = ""
end
else
res[k] = res[k] + format("%c", c);
j = j + 1;
end
end
state = nstate
end;
return res
end
get_stri_lit(str1).each do |word|
puts word
end
@@ -1,10 +1,10 @@
#!/usr/bin/env ruby
# ----------------------------------------------------------------------
# Project: JIPS, a portable 32-bit RISC CPU written in VHDL
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: Insertion of code fragments into templates
#
# Copyright (C) 2008 J. Ahrensfeld
# Copyright (C) 2007 J. Ahrensfeld
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -27,7 +27,7 @@ arg = $*
rom_filename = arg[0].to_s
tpl_filename = arg[1].to_s
subst_pattern = "ROM_INSERT_HERE"
subst_pattern = "JASM_ROM_INSERT_HERE"
# --------------------------------------------------------
# Open file
@@ -1,8 +1,8 @@
-------------------------------------------------------------------------
-- Project: JIPS, a portable 32-bit RISC CPU written in VHDL
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2008 J. Ahrensfeld
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
@@ -25,5 +25,8 @@ LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
-- ROM_INSERT_HERE
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
@@ -1,8 +1,8 @@
-------------------------------------------------------------------------
-- Project: JIPS, a portable 32-bit RISC CPU written in VHDL
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: loadable ROM
--
-- Copyright (C) 2008 J. Ahrensfeld
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
@@ -28,9 +28,13 @@ USE ieee.numeric_std.ALL;
library UNISIM;
use UNISIM.VComponents.all;
library work;
use work.cpu_pkg.all;
ENTITY irom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
addr : in inst_addr_t;
dout : out inst_t
);
@@ -43,13 +47,13 @@ ARCHITECTURE loadable OF irom IS
signal jtag_ld_clk : STD_LOGIC;
signal jtag_ld_we : STD_LOGIC;
signal jtag_ld_addr : unsigned (15 downto 0);
signal jtag_ld_dout : unsigned (31 downto 0);
signal jtag_ld_din : unsigned (31 downto 0);
signal jtag_ld_addr : inst_addr_t;
signal jtag_ld_dout : inst_t;
signal jtag_ld_din : inst_t;
signal bs_rst, bs_sel, bs_shift, bs_tdi, bs_tdo : std_logic;
signal bs_capture, bs_clk0, bs_clk1, bs_update0, bs_update1 : std_logic;
signal user_regi, user_rego : unsigned (47 downto 0);
constant id : unsigned (47 downto 0) := X"DEAD" & X"BEEF" & "X"BABE";
signal user_regi, user_rego : unsigned (31 downto 0);
constant id : unsigned (31 downto 0) := X"BABE" & X"BEEF";
begin
@@ -87,8 +91,8 @@ begin
TDO => bs_tdo -- Data input for USER function
);
jtag_ld_addr <= user_regi(user_regi'left downto jtag_ld_dout'length);
jtag_ld_din <= user_regi(jtag_ld_dout'length-1 downto 0);
jtag_ld_addr <= user_regi(user_regi'left downto user_regi'left-inst_addr_t'length+1);
jtag_ld_din <= user_regi(inst_t'length-1 downto 0);
jtag_ld_clk <= bs_update1;
jtag_ld_we <= bs_sel;
@@ -114,12 +118,23 @@ piso:
if bs_shift = '1' then
user_rego <= user_rego(0) & user_rego(user_rego'left downto 1);
else
user_rego <= (user_rego'left downto jtag_ld_dout'length => '0') & jtag_ld_dout;
user_rego <= (user_rego'left downto inst_t'length => '0') & jtag_ld_dout;
-- user_rego <= id;
end if;
end if;
end process;
--------------------------------------------------------------------------
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= imem_rom(to_integer(addr));
end if;
end process;
PROM_WRITE:
process(jtag_ld_clk, jtag_ld_we)
begin
@@ -132,16 +147,5 @@ PROM_WRITE:
end if;
end process;
--------------------------------------------------------------------------
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk)
begin
if rising_edge(clk) then
dout <= imem_rom(to_integer(addr));
end if;
end process;
--------------------------------------------------------------------------
end loadable;
+494
View File
@@ -0,0 +1,494 @@
#!/usr/bin/env ruby
# ----------------------------------------------------------------------
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: A small assembler for the JCPU
# Copyright (C) 2007 J. Ahrensfeld
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# For questions and ideas, please contact the author at jens@jayfield.org
# ---------------------------------------------------------------------
arg = $*
MAX_SIZE_ROM = 1024
PROJECT_NAME = arg.to_s.gsub(/\..*/, "")
ENTITY_NAME = "rom"
ENTITY_DATA_TYPE = "inst_t"
ENTITY_ADDR_TYPE = "inst_addr_t"
OPC_LIST_NAME = "/cygdrive/w/vhdl/lib/CPUs/JCpu/tools/opc.list"
# --------------------------------------------------------
# Open file
# --------------------------------------------------------
filename = arg.to_s
if !File.exists?(filename)
STDERR.puts "#{filename} does not exist"
exit 1
end
# --------------------------------------------------------
# Pass 1
# --------------------------------------------------------
lc = 0 # Line counter
pc = 0 # Program counter
chip_dc = [0,0,0,0] # chip data counter
xmem_dc = 0 # xmem data counter
curr_segment = "UNDEF";
page = 0
label_list=[[],[]]
instr_list=[nil]
file = File.open(filename, "r")
file.each do |raw_line|
lc += 1
# Make all upper case
iline = "#{raw_line}".strip.upcase
# Remove comments
iline = iline.gsub(/;.*/, "")
# Split instruction at spaces
iline_member = iline.split(" ")
if iline_member[0] == nil
next
end
mc = 0;
label = nil
clean_line = nil
if (iline_member[0] =~ /\w+:/)
mc += 1
label = iline_member[0].delete(":")
if label_list.rindex(label) != nil
STDERR.puts format("Error in line %d: Duplicate label \"%s\" found", lc, label)
exit 1
end
end
case iline_member[mc]
when nil
value = format("0x%3.3X",pc)
when "EQU"
if 0 == (iline_member[mc+1] =~ /\d+/)
value = format("0x%2.2X",eval(iline_member[mc+1..iline_member.nitems].to_s))
else
value = iline_member[mc+1]
end
when "ORG", "CODE"
pc = eval(iline_member[mc+1..iline_member.nitems].to_s)
value = format("0x%3.3X",pc)
when "CDATA", "CMEM"
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: CDATA needs argument!", lc)
exit 1
end
curr_segment = "CMEM";
page = iline_member[mc+1].to_i(16)
when "XDATA", "XMEM"
curr_segment = "XMEM";
when "DC"
len = 0;
iline.split("DC")[1].delete("0x").scan(/[0-9A-Fa-f]+/).each do |byte|
len += 1
end
if curr_segment == "CMEM"
STDERR.puts format("Error in line %d: CDATA cannot be initialized!", lc)
exit 1
else
value = format("0x%2.2X",xmem_dc)
puts format("Found DC defining %d bytes at 0x%4.4X in %s", len, xmem_dc, curr_segment);
xmem_dc += len
end
when "DB"
len = iline_member[mc+1].to_i
if curr_segment == "CMEM"
value = format("0x%2.2X",chip_dc[page])
puts format("Found DB reserving %d bytes at 0x%4.4X in %s(%d)", len, chip_dc[page], curr_segment, page);
chip_dc[page] += len
else
value = format("0x%2.2X",xmem_dc)
puts format("Found DB reserving %d bytes at 0x%4.4X in %s", len, xmem_dc, curr_segment);
xmem_dc += len
end
else
op_line = iline_member[mc+1..iline_member.nitems].to_s
value = format("0x%3.3X",pc)
opc = iline_member[mc]
if iline_member[mc+1] != nil
op1 = op_line.gsub(/,+.*$/, "")
end
if iline_member[mc+2] != nil
op2 = op_line.scan(/,.+$/).to_s.delete(", ")
end
if instr_list[pc] == nil
instr_list[pc] = [lc, pc, opc , op1 , op2]
pc += 1
else
STDERR.puts format("Error in line %d: Overlapping sections at %3.3X", lc, pc)
exit 1
end
end;
# Push labels
if label
label_list = label_list + [label, value]
end
end
file.close
# --------------------------------------------------------
def instr(opcode)
return format("\"%6.6B\" & X\"%3.3X\"",opcode ,0)
end
def tcl_bits(pc, opcode)
return format("%10.10B%6.6B%12.12B",pc, opcode ,0)
end
def instr_k(opcode, k)
return format("\"%6.6B\" & X\"%3.3X\"",opcode ,k)
end
def tcl_bits_k(pc, opcode, k)
return format("%10.10B%6.6B%12.12B",pc, opcode ,k)
end
def instr_r(opcode, r)
return format("\"%6.6B\" & X\"%2.2X%X\"",opcode ,0, r)
end
def tcl_bits_r(pc, opcode, r)
return format("%10.10B%6.6B%8.8B%4.4B",pc, opcode ,0,r)
end
def instr_kr(opcode, k, r)
return format("\"%6.6B\" & X\"%2.2X%X\"",opcode,k, r)
end
def tcl_bits_kr(pc, opcode, k, r)
return format("%10.10B%6.6B%8.8B%4.4B",pc, opcode, k, r)
end
def instr_rk(opcode, r, k)
return format("\"%6.6B\" & X\"%2.2X%X\"",opcode,k, r)
end
def tcl_bits_rk(pc, opcode, r, k)
return format("%10.10B%6.6B%8.8B%4.4B",pc, opcode, k, r)
end
def instr_rr(opcode, ra, rb)
return format("\"%6.6B\" & X\"%X%X%X\"",opcode,0, rb, ra)
end
def tcl_bits_rr(pc, opcode, ra, rb)
return format("%10.10B%6.6B%4.4B%4.4B%4.4B",pc, opcode, 0, rb, ra)
end
# --------------------------------------------------------
# Read mnemonic set
# --------------------------------------------------------
filename = OPC_LIST_NAME
if !File.exists?(filename)
STDERR.puts "#{filename} does not exist"
exit 1
end
mnemo_list = []
num_opcodes = 0
file = File.open(filename, "r")
file.each do |raw_line|
mnemo_list[num_opcodes] = raw_line.split(" ")[1]
num_opcodes += 1
end
# --------------------------------------------------------
# Pass 2
# --------------------------------------------------------
pc = 0
opc_start = 2
num_errors = 0
vhdl_trans_list = [nil]
vhdl_comment_list = [nil]
vhdl_tcl_list = [nil]
instr_list.each do |instruct|
# puts instruct
if instruct == nil
vhdl_trans_list[pc] = format("\"%6.6B\" & X\"%3.3X\"",0 ,0)
vhdl_comment_list[pc] = format("0x%3.3X:", pc)
vhdl_tcl_list[pc] = tcl_bits(pc, 0)
pc += 1
next
end
# determine arglen of instruction
ilen = 0
if instruct[opc_start+1] == nil
arglen = 0
elsif instruct[opc_start+2] == nil
arglen = 1
elsif instruct[opc_start+3] == nil
arglen = 2
end
# Symbol substitution
error = false
for i in (1..3)
subst_pos = opc_start+i
if instruct[subst_pos] == nil
next
end
expr_token = ""
expr_subst = nil
is_direct = true;
# instruct[subst_pos] = instruct[subst_pos].delete(" ")
# checks R0 .. R16, Mnemonics
instr_str = instruct[subst_pos]
if 0 == (instr_str =~ /\(.+\)/)
instr_str = instr_str.delete("()")
is_direct = false;
end
expr_token = instr_str.split(/\+|\-|\*|\//)[0]
if (0 != (expr_token =~ /R[0-9]+/)) && (0 != (expr_token =~ /\d+/))
idx = label_list.rindex(expr_token)
if idx != nil
expr_subst = label_list[idx+1]
instruct[subst_pos] = instruct[subst_pos].gsub(expr_token, expr_subst)
else
STDERR.puts format("Error in line %d: Symbol \"%s\" not found", instruct[0], expr_token)
error = true
end
end
if expr_subst != nil
if 0 == (expr_subst =~ /\d+/)
if is_direct == true
instruct[subst_pos] = format("0x%2.2X", eval(instruct[subst_pos]))
else
instruct[subst_pos] = format("(0x%2.2X)", eval(instruct[subst_pos]))
end
else
if 0 != (expr_subst =~ /R[0-9]+/)
STDERR.puts format("Error in line %d: Invalid expression \"%s\"", instruct[0], expr_subst)
error = true
end
end
end
end
# Parse operands
reg = [0,0]
kk = 0
format = instruct[opc_start]
for i in (0..1)
if instruct[opc_start+i+1] =~ Regexp.new("R[0-9]+")
# Check indirect addressing
reg[i] = instruct[opc_start+i+1].delete("R()").to_i
format += "|R"
if reg[i] > 15
STDERR.puts format("Error in line %d: Invalid register \"R%d\" specified", instruct[0], reg[i])
error = true
end
else
if instruct[opc_start+i+1] =~ Regexp.new("[0-9A-F]+")
kk = instruct[opc_start+i+1].delete("()").to_i(16)
format += "|K"
end
end
if instruct[opc_start+i+1] =~ Regexp.new("\\(.+\\)")
format += "i";
end
end
# Output instruction
opcode = mnemo_list.rindex(format).to_i
mnemo = instruct[2];
case format
when "NOP", "HALT", "RET", "RETI"
vhdl_trans_list[pc] = instr(opcode)
vhdl_tcl_list[pc] = tcl_bits(pc, opcode)
minstr_comment = format("0x%3.3X: %s", pc, mnemo)
when "MOVC|R|Ri", "MOVX|R|Ri"
vhdl_trans_list[pc] = instr_rr(opcode, reg[0], reg[1]);
vhdl_tcl_list[pc] = tcl_bits_rr(pc, opcode, reg[0], reg[1])
minstr_comment = format("0x%3.3X: %s R%2.2d, (R%2.2d)", pc, mnemo, reg[0], reg[1])
when "MOV|R|R", "SUB|R|R", "ADD|R|R", "AND|R|R", "OR|R|R", "XOR|R|R", "CMP|R|R"
vhdl_trans_list[pc] = instr_rr(opcode, reg[0], reg[1]);
vhdl_tcl_list[pc] = tcl_bits_rr(pc, opcode, reg[0], reg[1])
minstr_comment = format("0x%3.3X: %s R%2.2d, R%2.2d", pc, mnemo, reg[0], reg[1])
when "MOVC|Ri|R", "MOVX|Ri|R"
vhdl_trans_list[pc] = instr_rr(opcode, reg[1], reg[0]);
vhdl_tcl_list[pc] = tcl_bits_rr(pc, opcode, reg[1], reg[0])
minstr_comment = format("0x%3.3X: %s (R%2.2d), R%2.2d", pc, mnemo, reg[1], reg[0])
when "MOVC|Ri|K", "MOVX|Ri|K", "COUT|Ri|K", "XOUT|Ri|K"
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
minstr_comment = format("0x%3.3X: %s (R%2.2d), 0x%2.2X", pc, mnemo, reg[0], kk)
when "MOVC|R|Ki", "MOVX|R|Ki", "CIN|R|Ki", "XIN|R|Ki"
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
minstr_comment = format("0x%3.3X: %s R%2.2d, (0x%2.2X)", pc, mnemo, reg[0], kk)
when "MOV|R|K", "SUB|R|K", "ADD|R|K", "AND|R|K", "OR|R|K", "XOR|R|K", "CMP|R|K"
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
minstr_comment = format("0x%3.3X: %s R%2.2d, 0x%2.2X", pc, mnemo, reg[0], kk)
when "MOVC|Ki|R", "MOVC|Ki|R", "MOVX|Ki|R", "MOVX|Ki|R", "COUT|Ki|R", "XOUT|Ki|R"
vhdl_trans_list[pc] = instr_kr(opcode, kk, reg[1]);
vhdl_tcl_list[pc] = tcl_bits_kr(pc, opcode, kk, reg[1])
minstr_comment = format("0x%3.3X: %s (0x%2.2X), R%2.2d", pc, mnemo, kk, reg[1])
when "CALL|K", "JMP|K", "JNZ|K", "JZ|K","JNC|K", "JC|K", "JLT|K", "JGT|K", "JLE|K", "JGE|K", "JEQ|K", "JNE|K"
vhdl_trans_list[pc] = instr_k(opcode, kk)
vhdl_tcl_list[pc] = tcl_bits_k(pc, opcode, kk)
minstr_comment = format("0x%3.3X: %s 0x%3.3X", pc, mnemo, kk)
when "PUSH|R", "POP|R", "SHR|R", "SHL|R", "ROR|R", "ROL|R", "RORC|R", "ROLC|R"
vhdl_trans_list[pc] = instr_r(opcode, reg[0])
vhdl_tcl_list[pc] = tcl_bits_r(pc, opcode, reg[0])
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
when "TST|R"
kk = 0
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("CMP|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "INC|R"
kk = 1
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("ADD|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "DEC|R"
kk = 1
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("SUB|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
else
STDERR.puts format("Error in line %d: Not yet implemented %s", instruct[0], format)
error = true
end
if error
num_errors += 1
break
end
vhdl_comment_list[pc] = minstr_comment
puts vhdl_trans_list[pc] + " -- " + minstr_comment
pc += 1
end
# --------------------------------------------------------
# Output ROM file
# --------------------------------------------------------
if num_errors == 0
filename = format("rom_%s.vhdl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("ENTITY %s IS\n", ENTITY_NAME)
file.puts format("\tPort (\n")
file.puts format("\tclk\t\t\t: in STD_LOGIC;\n")
file.puts format("\tce\t\t\t: in STD_LOGIC;\n")
file.puts format("\taddr\t\t: in %s;\n", ENTITY_ADDR_TYPE)
file.puts format("\tdout\t\t: out %s\n", ENTITY_DATA_TYPE)
file.puts format("\t);\n")
file.puts format("END %s;\n", ENTITY_NAME)
file.puts format("\n")
file.puts format("ARCHITECTURE %s OF %s IS \n", PROJECT_NAME, ENTITY_NAME)
file.puts format("\n")
file.puts format("\ttype instruction_rom_t is array (0 to %d) of %s;\n", pc-1, ENTITY_DATA_TYPE)
file.puts format("\n")
file.puts format("\tconstant instruction_rom : instruction_rom_t :=\n")
file.puts format("\t(\n");
for i in (0..pc-2)
file.puts "\t\t" + vhdl_trans_list[i] + ", -- " + vhdl_comment_list[i] + "\n"
end;
file.puts "\t\t" + vhdl_trans_list[pc-1] + " -- " + vhdl_comment_list[pc-1] + "\n"
file.puts format("\t);\n")
file.puts format("\n")
file.puts format("begin")
file.puts format("\n")
file.puts format("PROM_READ:")
file.puts format("\tprocess(clk, ce)\n")
file.puts format("\tbegin\n")
file.puts format("\t\tif rising_edge(clk) and ce = '1' then\n")
file.puts format("\t\t\tdout <= instruction_rom(to_integer(addr));\n")
file.puts format("\t\tend if;\n")
file.puts format("\tend process;\n")
file.puts format("\n")
file.puts format("end %s;\n", PROJECT_NAME)
puts format("ROM file written to \"%s\"\n",filename)
file.close
end
if num_errors == 0
filename = format("preinit_%s.vhdl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("\tsignal instruction_rom : instruction_rom_t :=\n")
file.puts format("\t(\n");
for i in (0..pc-2)
file.puts "\t\t" + vhdl_trans_list[i] + ", -- " + vhdl_comment_list[i] + "\n"
end;
if pc < (MAX_SIZE_ROM-1)
file.puts "\t\t" + vhdl_trans_list[pc-1] + ", -- " + vhdl_comment_list[pc-1] + "\n"
for i in (pc..(MAX_SIZE_ROM-2))
file.puts "\t\t" + instr(0) + ",\n"
end;
file.puts "\t\t" + instr(0) + "\n"
else
file.puts "\t\t" + vhdl_trans_list[pc-1] + " -- " + vhdl_comment_list[pc-1] + "\n"
end
file.puts format("\t);\n")
puts format("PREINIT file written to \"%s\"\n",filename)
file.close
end
if num_errors == 0
filename = format("rom_%s.tcl.snip", PROJECT_NAME)
file = File.open(filename, "w")
for i in (0..pc-1)
# Chipscope 8.1
# file.puts format("jtag_shiftdr $handle -buffer \"%s\" -endstate RTI -device $devid", vhdl_tcl_list[i].reverse);
# Chipscope 9.1
file.puts format("\# %s", vhdl_comment_list[i])
file.puts format("::chipscope::csejtag_tap shift_device_dr $handle $devid $CSEJTAG_SHIFT_READWRITE $CSEJTAG_RUN_TEST_IDLE 0 %d \"%8.8X\"\n\n", vhdl_tcl_list[i].length, vhdl_tcl_list[i].to_i(2));
end;
puts format("TCL snippet written to \"%s\"\n",filename)
file.close
end
# --------------------------------------------------------
# Output final statistics
# --------------------------------------------------------
if num_errors == 0
puts "Program uses #{pc} instruction addresses"
puts "No errors found"
exit 0
else
puts "#{num_errors} errors found"
exit 1
end
+814
View File
@@ -0,0 +1,814 @@
#!/usr/bin/env ruby
# ----------------------------------------------------------------------
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: A small assembler for the JCPU
#
# Copyright (C) 2007 J. Ahrensfeld
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For questions and ideas, please contact the author at jens@jayfield.org
#
# ---------------------------------------------------------------------
arg = $*
FILE_SUFFIX = "jsm"
IROM_MAX_SIZE = 1024
IROM_ENTITY_NAME = "irom"
IROM_DATA_TYPE = "inst_t"
IROM_ADDR_TYPE = "inst_addr_t"
XROM_MAX_SIZE = 256
XROM_DATA_TYPE = "dmem_data_t"
XROM_ADDR_TYPE = "dmem_addr_t"
XROM_ENTITY_NAME = "xrom"
OPC_LIST_NAME = "/cygdrive/w/vhdl/lib/CPUs/JCpu/tools/opc.list"
# --------------------------------------------------------
class Parser
def curr_segment
@curr_segment
end
def curr_segment=(arg)
@curr_segment=arg
end
def add_label(labelname, addr)
@label_list = @label_list + [labelname, addr]
end
def getLabelIdByName(label)
return @label_list.rindex(label)
end
def getLabelNameById(id)
return @label_list[id]
end
def put_instr(name, lc, opc , op1 , op2)
if get_instr != nil
STDERR.puts format("Error in line %d: Overlapping sections at %3.3X", lc, @pc)
exit 1
end
@instr_list[@pc] = [lc, @pc, opc , op1 , op2, name]
end
def get_instr
return @instr_list[@pc]
end
def put_xmem(value, lc)
if get_xmem != nil
STDERR.puts format("Error in line %d: Overlapping sections at %3.3X (%s)", lc, xmem_dc, curr_segment)
exit 1
end
@xmem[xmem_dc] = value
@xmem_dc = xmem_dc + 1
end
def get_xmem
return @xmem[xmem_dc]
end
def xmem
return @xmem
end
def put_cmem(value, lc)
if get_cmem(page) != nil
STDERR.puts format("Error in line %d: Overlapping sections at %3.3X (%s)", lc, cmem_dc, curr_segment)
exit 1
end
@cmem[page][cmem_dc] = value
@cmem_dc[page] = cmem_dc + 1
end
def get_cmem(pg)
return @cmem[pg][cmem_dc]
end
def cmem(page)
return @cmem[page]
end
def cmem_dc=(addr)
@cmem_dc[page] = addr
end
def cmem_dc
@cmem_dc[page]
end
def xmem_dc=(addr)
@xmem_dc = addr
end
def xmem_dc
@xmem_dc
end
def page=(page)
@page = page;
end
def page
@page;
end
def pc=(pc)
@pc = pc;
if (pc > @pc_max)
@pc_max = pc
end
end
def pc
@pc;
end
def pc_max
@pc_max;
end
def instr_list
@instr_list
end
def label_list
@label_list
end
def initialize()
@pc_max = 0
@pc = 0 # Program counter
@cmem_dc = [0,0,0,0] # chip data counter
@xmem_dc = 0 # xmem data counter
@curr_segment = "UNDEF";
@page = 0
@label_list=[[],[]]
@instr_list=[nil]
@cmem = [[],[]];
@xmem = [];
end
def method_missing(name, *args)
puts "I don't know the method #{name}"
end
end
# --------------------------------------------------------
def parse(name, obj)
lc = 0 # Line counter
file = File.open(name, "r")
file.each do |raw_line|
lc += 1
# Make all upper case
iline = "#{raw_line}".strip
# Remove comments
iline = iline.gsub(/;.*/, "")
# Split instruction at spaces
iline_member = iline.split(" ")
if iline_member[0] == nil
next
end
mc = 0;
label = nil
clean_line = nil
if (iline_member[0] =~ /\w+:/)
mc += 1
label = iline_member[0].delete(":")
if obj.getLabelIdByName(label) != nil
STDERR.puts format("Error in line %d: Duplicate label \"%s\" found", lc, label)
exit 1
end
end
token = iline_member[mc]
if token
token = token.upcase
end
case token
when nil
if obj.curr_segment == "CMEM"
curr_addr = format("0x%3.3X",obj.cmem_dc)
elsif obj.curr_segment == "XMEM"
curr_addr = format("0x%3.3X",obj.xmem_dc)
elsif obj.curr_segment == "CODE"
curr_addr = format("0x%3.3X",obj.pc)
else
STDERR.puts format("Error in line %d: Undefined segment", lc)
exit 1
end
when "INCLUDE"
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: %s needs argument!", lc, token)
exit 1
end
inc_name = iline_member[mc+1].delete("\"")
puts format("Inserting \"%s\" into \"%s\" at line %d", inc_name, name, lc);
parse(inc_name, obj)
when "EQU"
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: %s needs argument!", lc, token)
exit 1
end
if 0 == (iline_member[mc+1] =~ /\d+/)
curr_addr = format("0x%2.2X",eval(iline_member[mc+1..iline_member.nitems].to_s))
else
curr_addr = iline_member[mc+1]
end
when "ORG"
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: %s needs argument!", lc, token)
exit 1
end
offset = eval(iline_member[mc+1..iline_member.nitems].to_s)
case obj.curr_segment
when "CODE"
obj.pc = offset
curr_addr = format("0x%3.3X",obj.pc)
when "CMEM"
obj.cmem_dc = offset
when "XMEM"
obj.xmem_dc = offset
end
when "CODE"
curr_addr = format("0x%3.3X",obj.pc)
obj.curr_segment = "CODE";
when "CDATA", "CMEM"
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: %s needs argument!", lc, token)
exit 1
end
obj.curr_segment = "CMEM";
obj.page = iline_member[mc+1].to_i(16)
when "XDATA", "XMEM"
obj.curr_segment = "XMEM";
when "DC"
len = 0;
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: %s needs argument!", lc, token)
exit 1
end
if obj.curr_segment == "CMEM"
STDERR.puts format("Error in line %d: %s cannot be initialized!", lc, obj.curr_segment)
exit 1
elsif obj.curr_segment == "XMEM"
curr_addr = format("0x%2.2X",obj.xmem_dc)
dc_old = obj.xmem_dc;
val_array = raw_line.split(/dc|DC|Dc|dC/)[1].delete("\t").gsub(/;.*/, "").split(",")
# Parse string literals
val_array.each do |item|
if 0 == (item =~ /.*\".*\"/)
str = item.delete("\"")
puts item
for nn in (0..str.length-1)
if str[nn] > 31
obj.put_xmem(str[nn], lc);
puts "S: " + str[nn].to_s
len += 1
end
end;
else
argument = item
puts "B: " + argument
obj.put_xmem(eval(argument), lc);
len += 1
end
end
puts format("Found DC defining %d bytes at 0x%4.4X in %s", len, dc_old, obj.curr_segment);
else
STDERR.puts format("Error in line %d: Invalid segment %s for \"%s\"", lc, obj.curr_segment, token)
exit 1
end
when "DB"
if iline_member[mc+1] == nil
STDERR.puts format("Error in line %d: %s needs argument!", lc, token)
exit 1
end
len = eval(iline_member[mc+1]).to_i
if obj.curr_segment == "CMEM"
curr_addr = format("0x%2.2X",obj.cmem_dc)
puts format("Found DB reserving %d bytes at 0x%4.4X in %s(%d)", len, obj.cmem_dc, obj.curr_segment, obj.page);
for nn in (1..len)
obj.put_cmem(0, lc)
end
elsif obj.curr_segment == "XMEM"
curr_addr = format("0x%2.2X",obj.xmem_dc)
puts format("Found DB reserving %d bytes at 0x%4.4X in %s", len, obj.xmem_dc, obj.curr_segment);
for nn in (1..len)
obj.put_xmem(0, lc)
end
else
STDERR.puts format("Error in line %d: Invalid segment %s for \"%s\"", lc, obj.curr_segment, token)
exit 1
end
else
if obj.curr_segment != "CODE"
STDERR.puts format("Error in line %d: Invalid segment %s for \"%s\"", lc, obj.curr_segment, token)
exit 1
end
op_line = iline_member[mc+1..iline_member.nitems].to_s
curr_addr = format("0x%3.3X",obj.pc)
opc = token
if iline_member[mc+1] != nil
op1 = op_line.gsub(/,+.*$/, "")
end
if iline_member[mc+2] != nil
op2 = op_line.scan(/,.+$/).to_s.delete(", ")
end
obj.put_instr(name, lc, opc, op1, op2)
obj.pc = obj.pc + 1
end;
# Push labels
if label
obj.add_label(label, curr_addr)
end
end
file.close
return obj
end
# --------------------------------------------------------
# Instruction formatting
# --------------------------------------------------------
def instr(opcode)
return format("\"%6.6B\" & X\"%3.3X\"",opcode ,0)
end
def tcl_bits(pc, opcode)
return format("%12.12B%8.8B%12.12B",pc, opcode ,0)
end
def instr_k(opcode, k)
return format("\"%6.6B\" & X\"%3.3X\"",opcode ,k)
end
def tcl_bits_k(pc, opcode, k)
return format("%12.12B%8.8B%12.12B",pc, opcode ,k)
end
def instr_r(opcode, r)
return format("\"%6.6B\" & X\"%2.2X%X\"",opcode ,0, r)
end
def tcl_bits_r(pc, opcode, r)
return format("%12.12B%8.8B%8.8B%4.4B",pc, opcode ,0,r)
end
def instr_kr(opcode, k, r)
return format("\"%6.6B\" & X\"%2.2X%X\"",opcode,k, r)
end
def tcl_bits_kr(pc, opcode, k, r)
return format("%12.12B%8.8B%8.8B%4.4B",pc, opcode, k, r)
end
def instr_rk(opcode, r, k)
return format("\"%6.6B\" & X\"%2.2X%X\"",opcode,k, r)
end
def tcl_bits_rk(pc, opcode, r, k)
return format("%12.12B%8.8B%8.8B%4.4B",pc, opcode, k, r)
end
def instr_rr(opcode, ra, rb)
return format("\"%6.6B\" & X\"%X%X%X\"",opcode,0, rb, ra)
end
def tcl_bits_rr(pc, opcode, ra, rb)
return format("%12.12B%8.8B%4.4B%4.4B%4.4B",pc, opcode, 0, rb, ra)
end
# --------------------------------------------------------
# Open file
# --------------------------------------------------------
filename = arg.to_s
if !File.exists?(filename)
STDERR.puts "#{filename} does not exist"
exit 1
end
PROJECT_NAME = File.basename(filename, "." + FILE_SUFFIX)
# --------------------------------------------------------
# Pass 1
# --------------------------------------------------------
first_pass = Parser.new();
parse(filename, first_pass)
# --------------------------------------------------------
# Read mnemonic set
# --------------------------------------------------------
filename = OPC_LIST_NAME
if !File.exists?(filename)
STDERR.puts "#{filename} does not exist"
exit 1
end
mnemo_list = []
num_opcodes = 0
file = File.open(filename, "r")
file.each do |raw_line|
mnemo_list[num_opcodes] = raw_line.split(" ")[1]
num_opcodes += 1
end
# --------------------------------------------------------
# Pass 2
# --------------------------------------------------------
pc = 0
opc_start = 2
num_errors = 0
vhdl_trans_list = [nil]
vhdl_comment_list = [nil]
vhdl_tcl_list = [nil]
# ToDo: Use class-methods
label_list = first_pass.label_list
instr_list = first_pass.instr_list
instr_list.each do |instruct|
# puts instruct
if instruct == nil
vhdl_trans_list[pc] = format("\"%6.6B\" & X\"%3.3X\"",0 ,0)
vhdl_comment_list[pc] = format("0x%3.3X:", pc)
vhdl_tcl_list[pc] = tcl_bits(pc, 0)
pc += 1
next
end
# determine arglen of instruction
ilen = 0
if instruct[opc_start+1] == nil
arglen = 0
elsif instruct[opc_start+2] == nil
arglen = 1
elsif instruct[opc_start+3] == nil
arglen = 2
end
# Symbol substitution
error = false
for i in (1..2)
subst_pos = opc_start+i
if instruct[subst_pos] == nil
next
end
expr_token = ""
expr_subst = nil
is_direct = true;
# checks R0 .. R16, Mnemonics
instruct[subst_pos] = instruct[subst_pos].gsub(/'low/, "")
if (nil != (instruct[subst_pos] =~ /'high/))
instruct[subst_pos]= format("%s/256", instruct[subst_pos].gsub(/'high/, ""))
end
instr_str = instruct[subst_pos]
if 0 == (instr_str =~ /\(.+\)/)
instr_str = instr_str.delete("()")
is_direct = false;
end
expr_token = instr_str.split(/\+|\-|\*|\/|\||\&/)[0]
if (0 != (expr_token =~ /R[0-9]+/)) && (0 != (expr_token =~ /\d+/))
idx = label_list.rindex(expr_token)
if idx != nil
expr_subst = label_list[idx+1]
instruct[subst_pos] = instruct[subst_pos].gsub(expr_token, expr_subst)
else
STDERR.puts format("%s: Error in line %d: Symbol \"%s\" not found", instruct[5], instruct[0], expr_token)
error = true
end
end
if expr_subst != nil
if 0 == (expr_subst =~ /\d+/)
if is_direct == true
instruct[subst_pos] = format("0x%2.2X", eval(instruct[subst_pos]))
else
instruct[subst_pos] = format("(0x%2.2X)", eval(instruct[subst_pos]))
end
else
if 0 != (expr_subst =~ /R[0-9]+/)
STDERR.puts format("%s: Error in line %d: Invalid expression \"%s\"", instruct[5], instruct[0], expr_subst)
error = true
end
end
end
end
# Parse operands
reg = [0,0]
kk = 0
format = instruct[opc_start]
for i in (0..1)
if instruct[opc_start+i+1] =~ Regexp.new("R[0-9]+")
# Check indirect addressing
reg[i] = instruct[opc_start+i+1].delete("R()").to_i
format += "|R"
if reg[i] > 15
STDERR.puts format("%s: Error in line %d: Invalid register \"R%d\" specified", instruct[5], instruct[0], reg[i])
error = true
end
else
if instruct[opc_start+i+1] =~ Regexp.new("[0-9A-F]+")
kk = eval(instruct[opc_start+i+1].delete("()"))
format += "|K"
end
end
if instruct[opc_start+i+1] =~ Regexp.new("\\(.+\\)")
format += "i";
end
end
if error
num_errors += 1
break
end
# Output instruction
opcode = mnemo_list.rindex(format).to_i
mnemo = instruct[2];
case format
# Native instructions
when "NOP", "HALT", "RET", "RETI", "SETC"
vhdl_trans_list[pc] = instr(opcode)
vhdl_tcl_list[pc] = tcl_bits(pc, opcode)
minstr_comment = format("0x%3.3X: %s", pc, mnemo)
when "MOVC|R|Ri", "MOVX|R|Ri"
vhdl_trans_list[pc] = instr_rr(opcode, reg[0], reg[1]);
vhdl_tcl_list[pc] = tcl_bits_rr(pc, opcode, reg[0], reg[1])
minstr_comment = format("0x%3.3X: %s R%2.2d, (R%2.2d)", pc, mnemo, reg[0], reg[1])
when "MOV|R|R", "SUB|R|R", "SUBC|R|R", "ADD|R|R", "ADDC|R|R", "AND|R|R", "OR|R|R", "XOR|R|R", "CMP|R|R"
vhdl_trans_list[pc] = instr_rr(opcode, reg[0], reg[1]);
vhdl_tcl_list[pc] = tcl_bits_rr(pc, opcode, reg[0], reg[1])
minstr_comment = format("0x%3.3X: %s R%2.2d, R%2.2d", pc, mnemo, reg[0], reg[1])
when "MOVC|Ri|R", "MOVX|Ri|R"
vhdl_trans_list[pc] = instr_rr(opcode, reg[1], reg[0]);
vhdl_tcl_list[pc] = tcl_bits_rr(pc, opcode, reg[1], reg[0])
minstr_comment = format("0x%3.3X: %s (R%2.2d), R%2.2d", pc, mnemo, reg[1], reg[0])
when "MOVC|Ri|K", "MOVX|Ri|K", "COUT|Ri|K", "XOUT|Ri|K"
kk = kk % 256;
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
minstr_comment = format("0x%3.3X: %s (R%2.2d), 0x%2.2X", pc, mnemo, reg[0], kk)
when "MOVC|R|Ki", "MOVX|R|Ki", "CIN|R|Ki", "XIN|R|Ki"
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
minstr_comment = format("0x%3.3X: %s R%2.2d, (0x%2.2X)", pc, mnemo, reg[0], kk)
when "MOV|R|K", "SUB|R|K", "SUBC|R|K", "ADD|R|K", "ADDC|R|K", "AND|R|K", "OR|R|K", "XOR|R|K", "CMP|R|K"
kk = kk % 256;
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
minstr_comment = format("0x%3.3X: %s R%2.2d, 0x%2.2X", pc, mnemo, reg[0], kk)
when "SUB|K|R", "SUBC|K|R"
kk = kk % 256;
vhdl_trans_list[pc] = instr_kr(opcode, kk, reg[1]);
vhdl_tcl_list[pc] = tcl_bits_kr(pc, opcode, kk, reg[1])
minstr_comment = format("0x%3.3X: %s 0x%2.2d, R%2.2X", pc, mnemo, kk, reg[1])
when "MOVC|Ki|R", "MOVC|Ki|R", "MOVX|Ki|R", "MOVX|Ki|R", "COUT|Ki|R", "XOUT|Ki|R"
vhdl_trans_list[pc] = instr_kr(opcode, kk, reg[1]);
vhdl_tcl_list[pc] = tcl_bits_kr(pc, opcode, kk, reg[1])
minstr_comment = format("0x%3.3X: %s (0x%2.2X), R%2.2d", pc, mnemo, kk, reg[1])
when "CALL|K", "JMP|K", "JNZ|K", "JZ|K","JNC|K", "JC|K", "JLT|K", "JGT|K", "JLE|K", "JGE|K", "JEQ|K", "JNE|K"
vhdl_trans_list[pc] = instr_k(opcode, kk)
vhdl_tcl_list[pc] = tcl_bits_k(pc, opcode, kk)
minstr_comment = format("0x%3.3X: %s 0x%3.3X", pc, mnemo, kk)
when "PUSH|R", "POP|R", "SHR|R", "SHL|R", "ROR|R", "ROL|R", "RORC|R", "ROLC|R", "SWAP|R"
vhdl_trans_list[pc] = instr_r(opcode, reg[0])
vhdl_tcl_list[pc] = tcl_bits_r(pc, opcode, reg[0])
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
# Synthetic instructions
when "CLRC"
kk = 0;
minstr_comment = format("0x%3.3X: %s", pc, mnemo)
opcode = mnemo_list.rindex("SUB|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "TST|R"
kk = 0
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("CMP|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "NEG|R"
kk = 0
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("SUB|K|R").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "NOT|R"
kk = 0
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("XOR|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "INC|R"
kk = 1
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("ADD|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
when "DEC|R"
kk = 1
minstr_comment = format("0x%3.3X: %s R%2.2d", pc, mnemo, reg[0])
opcode = mnemo_list.rindex("SUB|R|K").to_i
vhdl_trans_list[pc] = instr_rk(opcode, reg[0], kk);
vhdl_tcl_list[pc] = tcl_bits_rk(pc, opcode, reg[0], kk)
else
STDERR.puts format("%s: Error in line %d: Not yet implemented %s", instruct[5], instruct[0], format)
error = true
end
if error
num_errors += 1
break
end
vhdl_comment_list[pc] = minstr_comment
puts vhdl_trans_list[pc] + " -- " + minstr_comment
pc += 1
end
# --------------------------------------------------------
# Output ROM file
# --------------------------------------------------------
if num_errors == 0
# I-ROM VHDL-ROM
filename = format("%s.irom.vhdl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("ENTITY %s IS\n", IROM_ENTITY_NAME)
file.puts format("\tPort (\n")
file.puts format("\tclk\t\t\t: in STD_LOGIC;\n")
file.puts format("\tce\t\t\t: in STD_LOGIC;\n")
file.puts format("\taddr\t\t: in %s;\n", IROM_ADDR_TYPE)
file.puts format("\tdout\t\t: out %s\n", IROM_DATA_TYPE)
file.puts format("\t);\n")
file.puts format("END %s;\n", IROM_ENTITY_NAME)
file.puts format("\n")
file.puts format("ARCHITECTURE %s OF %s IS \n", PROJECT_NAME, IROM_ENTITY_NAME)
file.puts format("\n")
file.puts format("\ttype imem_rom_t is array (0 to %d) of %s;\n", [IROM_MAX_SIZE, pc].min-1 , IROM_DATA_TYPE)
file.puts format("\n")
file.puts format("\t-- Assembled from %s.%s", PROJECT_NAME, FILE_SUFFIX)
file.puts format("\tconstant imem_rom : imem_rom_t :=\n")
file.puts format("\t(\n");
for i in (0..[IROM_MAX_SIZE, pc].min-2)
file.puts "\t\t" + vhdl_trans_list[i] + ", -- " + vhdl_comment_list[i] + "\n"
end;
file.puts "\t\t" + vhdl_trans_list[pc-1] + " -- " + vhdl_comment_list[pc-1] + "\n"
file.puts format("\t);\n")
file.puts format("\n")
file.puts format("begin")
file.puts format("\n")
file.puts format("PROM_READ:")
file.puts format("\tprocess(clk, ce)\n")
file.puts format("\tbegin\n")
file.puts format("\t\tif rising_edge(clk) and ce = '1' then\n")
file.puts format("\t\t\tdout <= imem_rom(to_integer(addr));\n")
file.puts format("\t\tend if;\n")
file.puts format("\tend process;\n")
file.puts format("\n")
file.puts format("end %s;\n", PROJECT_NAME)
puts format("I-ROM file written to \"%s\"\n",filename)
file.close
# I-ROM VHDL-ROM (loadable)
filename = format("%s.irom_ld.vhdl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("\n\t-- Assembled from %s.%s", PROJECT_NAME, FILE_SUFFIX)
file.puts format("\ttype imem_rom_t is array (0 to %d) of %s;\n", IROM_MAX_SIZE-1, IROM_DATA_TYPE)
file.puts format("\tsignal imem_rom : imem_rom_t :=\n")
file.puts format("\t(\n");
for i in (0..pc-2)
file.puts "\t\t" + vhdl_trans_list[i] + ", -- " + vhdl_comment_list[i] + "\n"
end;
if pc < (IROM_MAX_SIZE-1)
file.puts "\t\t" + vhdl_trans_list[pc-1] + ", -- " + vhdl_comment_list[pc-1] + "\n"
for i in (pc..(IROM_MAX_SIZE-2))
file.puts "\t\t" + instr(0) + ",\n"
end;
file.puts "\t\t" + instr(0) + "\n"
else
file.puts "\t\t" + vhdl_trans_list[pc-1] + " -- " + vhdl_comment_list[pc-1] + "\n"
end
file.puts format("\t);\n")
puts format("I-ROM (loadable) file written to \"%s\"\n",filename)
file.close
# I-ROM TCL-Loader
filename = format("%s.irom.tcl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("# Assembled from %s.%s", PROJECT_NAME, FILE_SUFFIX)
file.puts format("# ---------------------------------------------------------------");
file.puts format("# Shift the USER1 Instruction (b1111000010) into the Instruction Register of FPGA");
file.puts format("# User 1")
file.puts format("set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength \"3C2\"]\n\n")
for i in (0..pc-1)
# Chipscope 8.1
# file.puts format("jtag_shiftdr $handle -buffer \"%s\" -endstate RTI -device $devid", vhdl_tcl_list[i].reverse);
# Chipscope 9.1
file.puts format("\# %s", vhdl_comment_list[i])
file.puts format("::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 %d \"%8.8X\"\n\n", vhdl_tcl_list[i].length, vhdl_tcl_list[i].to_i(2));
end;
puts format("I-ROM TCL-loader written to \"%s\"\n",filename)
file.close
# X-ROM VHDL-ROM
filename = format("%s.xrom.vhdl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("ENTITY %s IS\n", XROM_ENTITY_NAME)
file.puts format("\tPort (\n")
file.puts format("\tclk\t\t\t: in STD_LOGIC;\n")
file.puts format("\tce\t\t\t: in STD_LOGIC;\n")
file.puts format("\taddr\t\t: in %s;\n", XROM_ADDR_TYPE)
file.puts format("\tdout\t\t: out %s\n", XROM_DATA_TYPE)
file.puts format("\t);\n")
file.puts format("END %s;\n", XROM_ENTITY_NAME)
file.puts format("\n")
file.puts format("ARCHITECTURE %s OF %s IS \n", PROJECT_NAME, XROM_ENTITY_NAME)
file.puts format("\n")
file.puts format("\ttype xmem_rom_t is array (0 to %d) of %s;\n", XROM_MAX_SIZE-1, XROM_DATA_TYPE)
file.puts format("\n")
file.puts format("\t-- Assembled from %s.%s", PROJECT_NAME, FILE_SUFFIX)
file.puts format("\tconstant xmem_rom : xmem_rom_t :=\n")
file.puts format("\t(\n");
for i in (0..XROM_MAX_SIZE-2)
file.puts format("\t\tX\"%2.2X\", -- 0x%2.2X\n", first_pass.xmem[i], i)
end;
i = XROM_MAX_SIZE-1
file.puts format("\t\tX\"%2.2X\" -- 0x%2.2X\n", first_pass.xmem[i], i)
file.puts format("\t);\n")
file.puts format("\n")
file.puts format("begin")
file.puts format("\n")
file.puts format("PROM_READ:")
file.puts format("\tprocess(clk, ce)\n")
file.puts format("\tbegin\n")
file.puts format("\t\tif rising_edge(clk) and ce = '1' then\n")
file.puts format("\t\t\tdout <= xmem_rom(to_integer(addr));\n")
file.puts format("\t\tend if;\n")
file.puts format("\tend process;\n")
file.puts format("\n")
file.puts format("end %s;\n", PROJECT_NAME)
puts format("X-ROM file written to \"%s\"\n",filename)
file.close
# X-ROM VHDL-ROM (loadable)
filename = format("%s.xrom_ld.vhdl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("\n\t-- Assembled from %s.%s", PROJECT_NAME, FILE_SUFFIX)
file.puts format("\ttype xmem_rom_t is array (0 to %d) of %s;\n", XROM_MAX_SIZE-1, XROM_DATA_TYPE)
file.puts format("\tsignal xmem_rom : xmem_rom_t :=\n")
file.puts format("\t(\n");
for i in (0..XROM_MAX_SIZE-2)
file.puts format("\t\tX\"%2.2X\", -- 0x%2.2X\n", first_pass.xmem[i], i)
end;
i = XROM_MAX_SIZE-1
file.puts format("\t\tX\"%2.2X\" -- 0x%2.2X\n", first_pass.xmem[i], i)
file.puts format("\t);\n")
puts format("X-ROM (loadable) file written to \"%s\"\n",filename)
file.close
# X-ROM TCL-Loader
filename = format("%s.xrom.tcl.snip", PROJECT_NAME)
file = File.open(filename, "w")
file.puts format("# Assembled from %s.%s", PROJECT_NAME, FILE_SUFFIX)
file.puts format("# ---------------------------------------------------------------");
file.puts format("# Shift the USER2 Instruction (b1111000011) into the Instruction Register of FPGA");
file.puts format("# User 2")
file.puts format("set result [::chipscope::csejtag_tap shift_device_ir $handle $devid $CSE_OP $CSE_ES 0 $irlength \"3C3\"]\n\n")
for i in (0..first_pass.xmem.length-1)
# Chipscope 8.1
# file.puts format("jtag_shiftdr $handle -buffer \"%s\" -endstate RTI -device $devid", vhdl_tcl_list[i].reverse);
# Chipscope 9.1
file.puts format("::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 %d \"%2.2X%2.2X\"\n", 16, i, first_pass.xmem[i]);
end;
puts format("X-ROM TCL-loader written to \"%s\"\n",filename)
file.close
end
# --------------------------------------------------------
# Output final statistics
# --------------------------------------------------------
if num_errors == 0
puts "Program uses #{first_pass.pc_max} instruction addresses"
puts "No errors found"
exit 0
else
puts "#{num_errors} errors found"
exit 1
end
+72
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@@ -0,0 +1,72 @@
; -------------------------------------------------
; lcd.inc.jsm
; -------------------------------------------------
; needs xio-address equates for
; reg_cg_char_addr: equ 0xXX ; RW
; reg_cg_line_addr: equ 0xXX ; RW
; reg_cg_data: equ 0xXX ; RW
; reg_cg_ctrl: equ 0xXX ; WO
; needs delay.inc.jsm
; -------------------------------------------------
cg_clr_line: push R0
mov R0, 2
xout (reg_cg_ctrl), R0
pop R0
ret
; -------------------------------------------------
cg_clr_screen: push R0
mov R0, 1
xout (reg_cg_ctrl), R0
pop R0
ret
; -------------------------------------------------
; R0 : char address
; R1 : line address
cg_set_addr: call cg_wait_rdy
xout (reg_cg_line_addr), R1
xout (reg_cg_char_addr), R0
ret
; -------------------------------------------------
; R0 : character
cg_putchar: call cg_wait_rdy
xout (reg_cg_data), R0
ret
; -------------------------------------------------
; R1 : ptr to string
cg_puts: push R0
cg_p_lp: movx R0, (R1)
inc R1
tst R0
jz ex_cgp
call cg_putchar
jmp cg_p_lp
ex_cgp: pop R0
ret
; -------------------------------------------------
; R1 : ptr to string
cg_clr_puts: call cg_clr_line
call cg_puts
ret
; -------------------------------------------------
; R1 : ptr to string
cg_puts_clr: call cg_puts
call cg_clr_line
ret
; -------------------------------------------------
cg_wait_rdy: push R0
cg_wr_lp: xin R0, (reg_hwstat)
and R0, 0x02
jz cg_wr_lp
pop R0
ret
; -------------------------------------------------
+7
View File
@@ -0,0 +1,7 @@
; JCPU On-Chip register
cpu_revision: equ 0x00 ; RO
cpu_control: equ 0x01 ; R/W
cpu_status: equ 0x02 ; RO
cpu_int_ctrl: equ 0x03 ; RW
cpu_cmem_high: equ 0x04 ; RW
cpu_stack_high: equ 0x05 ; RW
+64
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@@ -0,0 +1,64 @@
; -------------------------------------------------
; Delays
; -------------------------------------------------
delay1s: push R15
mov R15, 10
loop1s: call delay100ms
dec R15
jnz loop1s
pop R15
ret
delay100ms: push R15
mov R15, 10
loop100ms: call delay10ms
dec R15
jnz loop100ms
pop R15
ret
delay10ms: push R15
mov R15, 10
loop10ms: call delay1ms
dec R15
jnz loop10ms
pop R15
ret
delay1ms: push R15
mov R15, 10
loop1ms: call delay100us
dec R15
jnz loop1ms
pop R15
ret
delay100us: push R15
mov R15, 10
loop100us: call delay10us
dec R15
jnz loop100us
pop R15
ret
delay10us: push R15
mov R15, 99
loop10us: nop
nop
nop
dec R15
jnz loop10us
pop R15
ret
delay1us: push R15
mov R15, 9
loop1us: nop
nop
nop
dec R15
jnz loop1us
pop R15
ret
; -------------------------------------------------
+208
View File
@@ -0,0 +1,208 @@
; -------------------------------------------------
; lcd.inc.jsm
; -------------------------------------------------
; needs xmem-address definition for
; - lcd_port (LCD-Base)
; needs delay.inc.jsm
; -------------------------------------------------
lcd_cmd: equ 0x00
lcd_rd: equ 0x20
lcd_data: equ 0x40
lcd_enable: equ 0x80
LCD_CMD_Z1: equ 0x80
LCD_CMD_Z2: equ 0xC0
LCD_CMD_CLEAR: equ 0x01
; -------------------------------------------------
; Init LCD
; -------------------------------------------------
LCD_init: mov R2, 0x00
mov R0, 0x03
call _write_lcd
call delay10ms
mov R2, 0x00
mov R0, 0x03
call _write_lcd
call delay10ms
mov R2, 0x00
mov R0, 0x02
call _write_lcd
call delay1ms
; 1. Function set: 4-Bit mode, two display lines
mov R0, 0x28
call LCD_writecmd
; 2. Display on, no cursor
mov R0, 0x0C
call LCD_writecmd
; 3. Cursor shift during write
mov R0, 0x06
call LCD_writecmd
; 4. Display clear
mov R0, 0x01
call LCD_writecmd
ret
; -------------------------------------------------
; LCD_waitbsy
; -------------------------------------------------
LCD_waitbsy: push R0
bsy_loop: call LCD_readstat
and R0, 0x80
jz ex_bsy
call delay1us
jmp bsy_loop
ex_bsy: pop R0
ret
; -------------------------------------------------
; LCD_writecmd
; -------------------------------------------------
; R0 = cmd
LCD_writeaddr:
LCD_writecmd: push R2
mov R2, lcd_cmd
call LCD_write
pop R2
ret
; -------------------------------------------------
; LCD_putsx
; -------------------------------------------------
; R1 = address of null-terminated string in XMEM
LCD_putsx: push R0
putsx_loop: movx R0, (R1)
inc R1
tst R0
jz putsx_ex
call LCD_writechar
jmp putsx_loop
putsx_ex: pop R0
ret
; -------------------------------------------------
; LCD_putsc
; -------------------------------------------------
; R1 = address of null-terminated string in CMEM
LCD_putsc: push R0
putsc_loop: movc R0, (R1)
inc R1
tst R0
jz putsc_ex
call LCD_writechar
jmp putsc_loop
putsc_ex: pop R0
ret
; -------------------------------------------------
; LCD_writechar
; -------------------------------------------------
; R0 = char
LCD_writedata:
LCD_writechar: push R2
mov R2, lcd_data
call LCD_write
pop R2
ret
; -------------------------------------------------
; LCD_write
; -------------------------------------------------
; R0 = input
; R2 = register
LCD_write: call LCD_waitbsy
push R0
swap R0
call _write_lcd
pop R0
call _write_lcd
ret
; -------------------------------------------------
; LCD_readstat
; -------------------------------------------------
; R0 = status
LCD_readstat: push R2
mov R2, lcd_cmd
call LCD_read
pop R2
ret
; -------------------------------------------------
; LCD_read
; -------------------------------------------------
; R0 = output
; R2 = register
LCD_read: call _read_lcd
swap R0
push R0
call _read_lcd
pop R2
or R0, R2
ret
; -------------------------------------------------
; _write
; -------------------------------------------------
; R0 = input
_write_lcd: push R1
and R0, 0x0F
mov R1, R0
or R1, R2
xout (lcd_port), R1
call delay1us
mov R1, R0
or R1, R2
or R1, lcd_enable
xout (lcd_port), R1
call delay1us
mov R1, R0
or R1, R2
xout (lcd_port), R1
call delay1us
or R1, lcd_rd
xout (lcd_port), R1
pop R1
ret
; -------------------------------------------------
; _read
; -------------------------------------------------
; R0 = output
_read_lcd: push R1
mov R1, lcd_rd
or R1, R2
xout (lcd_port), R1
call delay1us
mov R1, lcd_rd
or R1, R2
or R1, lcd_enable
xout (lcd_port), R1
call delay1us
xin R0, (lcd_port)
and R0, 0x0F
mov R1, lcd_rd
or R1, R2
xout (lcd_port), R1
call delay1us
pop R1
ret
+42
View File
@@ -0,0 +1,42 @@
; -------------------------------------------------
; mul8x8.inc.jsm
; -------------------------------------------------
; -------------------------------------------------
; Parameter:
; R0 : operand 1
; R1 : operand 2
; Return:
; R0 : product low
; R1 : product high
mul8x8: push R2
push R3
push R4
mov R4, R1
mov R1, 0
mov R2, 0
mov R3, 0
loop1: cmp R4, 0x01
jeq ende1
shr R4
jnc next1
add R2, R0
addc R3, R1
next1: shl R0
rolc R1
jmp loop1
ende1: add R0, R2
addc R1, R3
pop R4
pop R3
pop R2
ret
; -------------------------------------------------
+32
View File
@@ -0,0 +1,32 @@
; -------------------------------------------------
; uart.inc.jsm
; -------------------------------------------------
; needs xmem-address definition for
; - uart_status (Status register)
; - uart_data (Data register)
; -------------------------------------------------
; sout
; -------------------------------------------------
; R0 = input
sout: push R1
sout1: xin R1, (uart_status)
and R1, 0x02
jnz sout1
xout (uart_data), R0
pop R1
ret
; -------------------------------------------------
; sin
; -------------------------------------------------
; R0 = output
sin: push R1
sin1: xin R1, (uart_status)
and R1, 0x10
jnz sin1
xin R0, (uart_data)
pop R1
ret
; -------------------------------------------------
+32
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@@ -0,0 +1,32 @@
; -------------------------------------------------
; utils.inc.jsm
; -------------------------------------------------
; -------------------------------------------------
; Parameter
; R0 : Bin value in lower nibble
; Return
; R0 : Hex character representing lower nibble
nibble2hex: and R0, 0x0F
cmp R0, 0x0A
jlt isNum1
add R0, 0x07
isNum1: add R0, 0x30
ret
; -------------------------------------------------
; Parameter
; R0 : Bin value
; Return
; R0 : Hex character high
; R1 : Hex character low
bin2hex: push R0
call nibble2hex
mov R1, R0
pop R0
swap R0
call nibble2hex
ret
; -------------------------------------------------
+64
View File
@@ -0,0 +1,64 @@
0 NOP
1 HALT
2 MOV|R|R
3 MOV|R|K
4 MOVX|R|Ri
5 MOVX|R|Ki
6 MOVX|Ri|R
7 MOVX|Ri|K
8 MOVX|Ki|R
9 MOVC|R|Ri
10 MOVC|R|Ki
11 MOVC|Ri|R
12 MOVC|Ri|K
13 MOVC|Ki|R
14 CMP|R|R
15 CMP|R|K
16 ADD|R|R
17 ADD|R|K
18 ADDC|R|R
19 ADDC|R|K
20 SUB|R|R
21 SUB|R|K
22 SUBC|R|R
23 SUBC|R|K
24 AND|R|R
25 AND|R|K
26 OR|R|R
27 OR|R|K
28 XOR|R|R
29 XOR|R|K
30 SHL|R
31 SHR|R
32 ROL|R
33 ROR|R
34 ROLC|R
35 RORC|R
36 XOUT|Ki|R
37 XOUT|Ri|K
38 COUT|Ki|R
39 COUT|Ri|K
40 XIN|R|Ki
41 CIN|R|Ki
42 SWAP|R
43 SETC
44 UNDEF
45 UNDEF
46 SUB|K|R
47 SUBC|K|R
48 JMP|K
49 JZ|K
50 JNZ|K
51 JC|K
52 JNC|K
53 JLT|K
54 JGT|K
55 JLE|K
56 JGE|K
57 JEQ|K
58 JNE|K
59 CALL|K
60 PUSH|R
61 POP|R
62 RET
63 RETI
+20
View File
@@ -0,0 +1,20 @@
#!/usr/bin/env ruby
st = "\033[7m"
en = "\033[m"
while TRUE
print "str> "
STDOUT.flush
str = gets
break if not str
str.chop!
print "pat> "
STDOUT.flush
re = gets
break if not re
re.chop!
str.gsub! re, "#{st}\\&#{en}"
print str, "\n"
end
print "\n"
+44
View File
@@ -0,0 +1,44 @@
#!/usr/bin/env ruby
template = <<'END'
-- (tv #1342) read output FIFO
(
cycles => 1,
cm_i => bus_read_init(addr => ADDR_KS_OFIFO_DOUT),
sep => msg(""),
cm_o => bus_no_ack,
irq => (others => '0')
),
-- (tv #1343) wait while FIFO is read
(
cycles => 2,
cm_i => bus_wait_ack,
sep => msg(""),
cm_o => bus_no_ack,
irq => (others => '0')
),
-- (tv #1343) wait for ack
(
cycles => 1,
cm_i => bus_wait_ack,
sep => msg(""),
cm_o => bus_read_ack(dat => #{exp_data}),
irq => (others => '0')
),
END
puts "KS-128 testvectors:\n"
puts "\n" * 3
0.upto(10) { |sk_no|
3.downto(0) { |sl_no|
exp_data = "slice_32(TC1_SUBKEYS(#{sk_no}), #{sl_no})"
t = template.gsub(/"/, '\\"')
puts eval("format(\"#{t}\")")
}
}
+32
View File
@@ -0,0 +1,32 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
--
-- Copyright (C) 2007 J. Ahrensfeld
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
--
-- For questions and ideas, please contact the author at jens@jayfield.org
--
--------------------------------------------------------------------------
LIBRARY ieee;
use IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
library work;
use work.cpu_pkg.all;
-- JASM_ROM_INSERT_HERE
@@ -1,6 +1,6 @@
-------------------------------------------------------------------------
-- Project: JCPU, a portable 8-bit RISC CPU written in VHDL
-- This file: The ROM file for use in your VHDL design
-- This file: loadable ROM
--
-- Copyright (C) 2007 J. Ahrensfeld
--
@@ -28,81 +28,35 @@ USE ieee.numeric_std.ALL;
library UNISIM;
use UNISIM.VComponents.all;
ENTITY ram IS
Port
(
library work;
use work.cpu_pkg.all;
ENTITY xrom IS
Port (
clk : in STD_LOGIC;
ce : in STD_LOGIC;
we : in unsigned(3 downto 0);
addr : in unsigned(31 downto 0);
din : in unsigned(31 downto 0);
dout : out unsigned(31 downto 0)
addr : in dmem_addr_t;
dout : out dmem_data_t
);
END ram;
ARCHITECTURE behavior OF ram IS
COMPONENT dpram_2w2r
Generic
(
addr_width : integer;
data_width : integer
);
Port
(
clk_a : in STD_LOGIC;
clk_b : in STD_LOGIC;
en_a : in STD_LOGIC;
en_b : in STD_LOGIC;
we_a : in STD_LOGIC;
we_b : in STD_LOGIC;
addr_a : in unsigned (addr_width-1 downto 0);
addr_b : in unsigned (addr_width-1 downto 0);
din_a : in unsigned (data_width-1 downto 0);
din_b : in unsigned (data_width-1 downto 0);
dout_a : out unsigned (data_width-1 downto 0);
dout_b : out unsigned (data_width-1 downto 0)
);
END COMPONENT;
signal jtag_clk : STD_LOGIC;
signal jtag_we : unsigned(3 downto 0);
signal jtag_addr : unsigned (15 downto 0);
signal jtag_dout : unsigned (31 downto 0);
signal jtag_din : unsigned (31 downto 0);
END xrom;
ARCHITECTURE loadable OF xrom IS
-- JASM_ROM_INSERT_HERE
signal jtag_ld_clk : STD_LOGIC;
signal jtag_ld_we : STD_LOGIC;
signal jtag_ld_addr : dmem_addr_t;
signal jtag_ld_dout : dmem_data_t;
signal jtag_ld_din : dmem_data_t;
signal bs_rst, bs_sel, bs_shift, bs_tdi, bs_tdo : std_logic;
signal bs_capture, bs_clk0, bs_clk1, bs_update0, bs_update1 : std_logic;
signal user_regi, user_rego : unsigned (47 downto 0);
BEGIN
signal user_regi, user_rego : unsigned (15 downto 0);
constant id : unsigned (15 downto 0) := X"BEEF";
gen_sram:
for i in 0 to 3 generate
begin
inst_dpram_2w2r : dpram_2w2r
GENERIC MAP
(
addr_width => 11,
data_width => 8
)
PORT MAP
(
clk_a => clk,
en_a => ce,
we_a => we(i),
addr_a => addr(12 downto 2),
din_a => din((i+1)*8-1 downto i*8),
dout_a => dout((i+1)*8-1 downto i*8),
begin
clk_b => jtag_clk,
en_b => jtag_we(i),
we_b => jtag_we(i),
addr_b => jtag_addr(10 downto 0),
din_b => jtag_din((i+1)*8-1 downto i*8),
dout_b => jtag_dout((i+1)*8-1 downto i*8)
);
end generate;
--------------------------------------------------------------------------
-- Virtex-4: JTAG Loader
--------------------------------------------------------------------------
@@ -137,10 +91,10 @@ gen_sram:
TDO => bs_tdo -- Data input for USER function
);
jtag_addr <= user_regi(user_regi'left downto jtag_dout'length);
jtag_din <= user_regi(jtag_dout'length-1 downto 0);
jtag_clk <= bs_update1;
jtag_we <= (3 downto 0 => bs_sel);
jtag_ld_addr <= user_regi(user_regi'left downto user_regi'left-dmem_data_t'length+1);
jtag_ld_din <= user_regi(dmem_data_t'left downto 0);
jtag_ld_clk <= bs_update1;
jtag_ld_we <= bs_sel;
sipo:
process (bs_rst, bs_clk1, bs_tdi, bs_shift)
@@ -164,10 +118,34 @@ piso:
if bs_shift = '1' then
user_rego <= user_rego(0) & user_rego(user_rego'left downto 1);
else
user_rego <= (user_rego'left downto jtag_dout'length => '0') & jtag_dout;
user_rego <= (user_rego'left downto dmem_data_t'length => '0') & jtag_ld_dout;
-- user_rego <= id;
end if;
end if;
end process;
--------------------------------------------------------------------------
end behavior;
-- ROM Read/Write
--------------------------------------------------------------------------
PROM_READ:
process(clk, ce)
begin
if rising_edge(clk) and ce = '1' then
dout <= xmem_rom(to_integer(addr));
end if;
end process;
PROM_WRITE:
process(jtag_ld_clk, jtag_ld_we)
begin
if rising_edge(jtag_ld_clk) then
if jtag_ld_we = '1' then
xmem_rom(to_integer(jtag_ld_addr)) <= jtag_ld_din;
else
jtag_ld_dout <= xmem_rom(to_integer(jtag_ld_addr));
end if;
end if;
end process;
--------------------------------------------------------------------------
end loadable;
@@ -1,34 +0,0 @@
VHDL/lib/CPUs/MIPS/bsp/examples/dbg.c
VHDL/lib/CPUs/MIPS/bsp/examples/irq.c
VHDL/lib/CPUs/MIPS/bsp/examples/irq.h
VHDL/lib/CPUs/MIPS/bsp/examples/kernel.S
VHDL/lib/CPUs/MIPS/bsp/examples/libsys.c
VHDL/lib/CPUs/MIPS/bsp/examples/libsys.h
VHDL/lib/CPUs/MIPS/bsp/examples/mips_gfx.c
VHDL/lib/CPUs/MIPS/bsp/examples/mips_gfx.h
VHDL/lib/CPUs/MIPS/bsp/examples/mips_ps2.c
VHDL/lib/CPUs/MIPS/bsp/examples/mips_ps2.h
VHDL/lib/CPUs/MIPS/bsp/examples/mipsdis.c
VHDL/lib/CPUs/MIPS/bsp/examples/mipsdis.h
VHDL/lib/CPUs/MIPS/bsp/examples/regdef.h
VHDL/lib/CPUs/MIPS/bsp/examples/startup.S
VHDL/lib/CPUs/MIPS/bsp/examples/xcpt.c
VHDL/lib/CPUs/MIPS/bsp/examples/xcpt.h
VHDL/lib/CPUs/MIPS/bsp/examples/xcpt_asm.h
+109 -308
View File
@@ -1,14 +1,9 @@
ENDIAN='big'
TOOLS_DIR=../../tools
ifeq ($(ENDIAN), 'big')
ENDIAN_FLAGS=-EB
CFLAGS=$(ENDIAN_FLAGS) -specs=specs/eb/specs -msoft-float -O2 -march=r3000 -I. -Ilibsys -Wl,-M
else
ENDIAN_FLAGS=-EL
CFLAGS=$(ENDIAN_FLAGS) -specs=specs/specs -msoft-float -O2 -march=r3000 -I. -Ilibsys -Wl,-M
endif
LIBS=-lm -lsys
CFLAGS=-msoft-float -O2 -march=r3000 -I.
LFLAGS=-M -T link.ld
LIB_DIRS=-L . -L /usr/local/mipsel-elf/lib -L /usr/local/lib/gcc/mipsel-elf/4.3.2
LIBS=-lc -lm -lgcc
AS=mipsel-elf-as
AR=mipsel-elf-ar
@@ -16,318 +11,124 @@ CC=mipsel-elf-gcc
LD=mipsel-elf-ld
OBJDUMP=mipsel-elf-objdump
OBJCOPY=mipsel-elf-objcopy
FLASHGEN=flashgen
FLASHGEN=$(TOOLS_DIR)/flashgen_little
PROG = hello.elf testbench.elf test_irq.elf dhry.elf queens.elf stanford.elf paranoia.elf rmd160_test.elf Bessel.elf whet.elf phrasen.elf dttl.elf richards_benchmark.elf test_exception.elf life.elf r3.elf gunzip.elf basic_math.elf jman_patches.elf jman_patchmeshes.elf jman_polys.elf test_hpi.elf test_vga.elf
PROG = hello testbench test_irq dhry queens stanford paranoia rmd160_test Bessel whet phrasen dttl richards_benchmark
all: $(PROG)
libsys.a:
$(MAKE) -C libsys
libsys: startup.S init.S kernel.S libsys.c xcpt.c irq.c
$(CC) $(CFLAGS) -G 0 -c startup.S -o startup.o
$(CC) $(CFLAGS) -G 0 -c kernel.S -o kernel.o
$(CC) $(CFLAGS) -G 0 -c init.S -o init.o
$(CC) $(CFLAGS) -G 0 -c libsys.c -o libsys.o
$(CC) $(CFLAGS) -G 0 -c xcpt.c -o xcpt.o
$(CC) $(CFLAGS) -G 0 -c irq.c -o irq.o
$(AR) -r libsys.a init.o libsys.o xcpt.o irq.o
hello.elf: hello.c libsys.a
$(CC) $(CFLAGS) -o $@ -Os hello.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
testbench.elf: testbench.c libsys.a
$(CC) $(CFLAGS) -O3 -o $@ -DHZ=1000 -DNOSIGNAL -DBATCHMODE -DNOMAIN -Os -g testbench.c paranoia.c delay_mips.c bogomips.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
test_irq.elf: test_irq.c libsys.a
$(CC) $(CFLAGS) -o $@ test_irq.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
dhry.elf: dhry_1.c dhry_2.c dhry.h libsys.a
$(CC) $(CFLAGS) -o $@ -DHZ=1000 dhry_1.c dhry_2.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
queens.elf: queens.c libsys.a
$(CC) $(CFLAGS) -o $@ -DUNIX_Old -DHZ=1000 queens.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
stanford.elf: stanford.c libsys.a
$(CC) $(CFLAGS) -O3 -o $@ -DHZ=1000 stanford.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
paranoia.elf: paranoia.c libsys.a
$(CC) $(CFLAGS) -O3 -o $@ -DNOSIGNAL -DBATCHMODE paranoia.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
rmd160_test.elf: rmd160_test.c rmd160.c rmd160.h libsys.a
$(CC) $(CFLAGS) -O3 -o $@ rmd160_test.c rmd160.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
hashtest.elf: hashtest.c rmd160.c rmd160.h libsys.a
$(CC) $(CFLAGS) -O3 -o $@ hashtest.c rmd160.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
Bessel.elf: Bessel.c libsys.a
$(CC) $(CFLAGS) -o $@ Bessel.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
whet.elf: whet.c libsys.a
$(CC) $(CFLAGS) -o $@ whet.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
phrasen.elf: phrasen.c libsys.a
$(CC) $(CFLAGS) -o $@ phrasen.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
dttl.elf: dttl.c random.c libsys.a
$(CC) $(CFLAGS) -o $@ dttl.c random.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
richards_benchmark.elf: richards_benchmark.c libsys.a
$(CC) $(CFLAGS) -o $@ richards_benchmark.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
test_exception.elf: test_exception.c libsys.a
$(CC) $(CFLAGS) -o $@ -O1 test_exception.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
life.elf: life.c libsys.a
$(CC) $(CFLAGS) -o $@ -g life.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
r3.elf: r3.c libsys.a
$(CC) $(CFLAGS) -O3 -o $@ -DJMIPS_VGA -O2 r3.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
gunzip.elf: gunzip.c inflate.c crc32.c libsys.a
$(CC) $(CFLAGS) -o $@ -o $@ gunzip.c inflate.c crc32.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
basic_math.elf: basicmath_small.c rad2deg.c cubic.c isqrt.c libsys.a
$(CC) $(CFLAGS) -o $@ -o $@ basicmath_small.c rad2deg.c cubic.c isqrt.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
JMAN_SRC= \
jman/bintree.c \
jman/camset.c \
jman/engine.c \
jman/graph_state.c \
jman/grid.c \
jman/imageio.c \
jman/linklist.c \
jman/matrix.c \
jman/object.c \
jman/render.c \
jman/ri.c \
jman/ribgen.c \
jman/stack.c \
jman/vars.c
jman_patches.elf: $(JMAN_SRC) jman/main_patches.c libsys.a
$(CC) $(CFLAGS) -I../ -o $@ -o $@ jman/main_patches.c $(JMAN_SRC) $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
jman_patchmeshes.elf: $(JMAN_SRC) jman/main_patchmeshes.c jman/patches2.c libsys.a
$(CC) $(CFLAGS) -I../ -o $@ -o $@ jman/main_patchmeshes.c jman/patches2.c $(JMAN_SRC) $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
jman_polys.elf: $(JMAN_SRC) jman/main_polypin.c jman/polys.c libsys.a
$(CC) $(CFLAGS) -I../ -o $@ -o $@ jman/main_polypin.c jman/polys.c $(JMAN_SRC) $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
serdump.elf: serdump.c libsys.a
$(CC) $(CFLAGS) -O3 -o $@ -O2 serdump.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
pppi.elf: pppissue/test1.c pppissue/utils.c pppissue/pppd.h libsys.a
$(CC) $(CFLAGS) -O2 -o $@ -O2 pppissue/test1.c pppissue/utils.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
lwl.elf: lwl.c libsys.a
$(CC) $(CFLAGS) -O2 -o $@ lwl.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
ucb.elf: ucb.c libsys.a
$(CC) $(CFLAGS) -O2 -o $@ ucb.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
test_hpi.elf: hpi.c test_hpi.c cfiflash.c libsys.a
$(CC) $(CFLAGS) -o $@ -g hpi.c test_hpi.c cfiflash.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
hello: hello.c
$(CC) $(CFLAGS) -c hello.c
$(LD) $(LFLAGS) $(LIB_DIRS) hello.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
cat $@.srec | packhex > $@.pack
test_vga.elf: test_vga.c libsys.a
$(CC) $(CFLAGS) -o $@ test_vga.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
testbench: testbench.c
$(CC) $(CFLAGS) -c testbench.c paranoia.c -DNOSIGNAL -DBATCHMODE -DNOMAIN
$(LD) $(LFLAGS) $(LIB_DIRS) paranoia.o testbench.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
barcode.elf: barcode.c libsys.a
$(CC) $(CFLAGS) -o $@ barcode.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
test_irq: test_irq.c
$(CC) $(CFLAGS) -c test_irq.c
$(LD) $(LFLAGS) $(LIB_DIRS) test_irq.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
lua.elf: lua_init.c libsys.a
$(CC) $(CFLAGS) -I./lua-5.1.4/etc -I./lua-5.1.4/src -o $@ lua_init.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
dhry: dhry_1.c dhry_2.c dhry.h
$(CC) $(CFLAGS) -DHZ=1000 -c dhry_1.c dhry_2.c
$(LD) $(LFLAGS) $(LIB_DIRS) dhry_1.o dhry_2.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
mandelbrot.elf: mandelbrot.c libsys.a
$(CC) $(CFLAGS) -o $@ mandelbrot.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
queens: queens.c
$(CC) $(CFLAGS) -DUNIX_Old -DHZ=1000 -c queens.c
$(LD) $(LFLAGS) $(LIB_DIRS) queens.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
bogomips.elf: bogomips.c delay_mips.c libsys.a
$(CC) $(CFLAGS) -DHZ=1000 -o $@ bogomips.c delay_mips.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
stanford: stanford.c
$(CC) $(CFLAGS) -DHZ=1000 -c stanford.c
$(LD) $(LFLAGS) $(LIB_DIRS) stanford.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
test_asm.elf: test_asm.S libsys.a
$(CC) $(CFLAGS) -DHZ=1000 -o $@ test_asm.S $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
paranoia: paranoia.c
$(CC) $(CFLAGS) -DNOSIGNAL -DBATCHMODE -g -c paranoia.c
$(LD) $(LFLAGS) $(LIB_DIRS) paranoia.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
test_ac97.elf: test_ac97.c libsys.a
$(CC) $(CFLAGS) -o $@ test_ac97.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
rmd160_test: rmd160_test.c rmd160.c rmd160.h
$(CC) $(CFLAGS) -DNOSIGNAL -DBATCHMODE -g -c rmd160.c rmd160_test.c
$(LD) $(LFLAGS) $(LIB_DIRS) rmd160.o rmd160_test.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
test_dcache.elf: test_dcache.c libsys.a
$(CC) $(CFLAGS) -O0 -o $@ test_dcache.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
Bessel: Bessel.c
$(CC) $(CFLAGS) -g -c Bessel.c
$(LD) $(LFLAGS) $(LIB_DIRS) Bessel.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
aes256_1.elf: aes256_1.c aes256.c aes256.h libsys.a
$(CC) $(CFLAGS) -O3 -o $@ aes256_1.c aes256.c $(LIBS) >$@.map
$(OBJDUMP) -d $@ > $@.dis
$(OBJCOPY) $@ -O binary $@.bin
$(OBJCOPY) -O srec $@ $@.srec
$(FLASHGEN) $@.bin $(ENDIAN_FLAGS)
cat $@.srec | packhex > $@.pack
whet: whet.c
$(CC) $(CFLAGS) -c whet.c
$(LD) $(LFLAGS) $(LIB_DIRS) whet.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
phrasen: phrasen.c
$(CC) $(CFLAGS) -g -c phrasen.c
$(LD) $(LFLAGS) $(LIB_DIRS) phrasen.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
dttl: dttl.c random.c
$(CC) $(CFLAGS) -g -c dttl.c random.c
$(LD) $(LFLAGS) $(LIB_DIRS) random.o dttl.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
richards_benchmark: richards_benchmark.c
$(CC) $(CFLAGS) -c richards_benchmark.c
$(LD) $(LFLAGS) $(LIB_DIRS) richards_benchmark.o -o $@.elf $(LIBS) >$@.map
$(OBJDUMP) -d $@.elf > $@.dis
$(OBJCOPY) $@.elf -O binary $@.bin
$(OBJCOPY) -O srec $@.elf $@.srec
$(FLASHGEN) $@.bin
clean:
rm -rf *.a *.o *.bin *.map *.dis *.srec *.pack *.elf $(PROG) > /dev/null
rm -rf *.a *.o *.bin *.map *.dis *.srec *.elf $(PROG) > /dev/null
-359
View File
@@ -1,359 +0,0 @@
/*
* Byte-oriented AES-256 implementation.
* All lookup tables replaced with 'on the fly' calculations.
*
* Copyright (c) 2007-2009 Ilya O. Levin, http://www.literatecode.com
* Other contributors: Hal Finney
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "aes256.h"
#define F(x) (((x)<<1) ^ ((((x)>>7) & 1) * 0x1b))
#define FD(x) (((x) >> 1) ^ (((x) & 1) ? 0x8d : 0))
#define BACK_TO_TABLES
#ifdef BACK_TO_TABLES
const uint8_t sbox[256] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
const uint8_t sboxinv[256] = {
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,
0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d,
0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,
0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,
0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,
0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,
0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,
0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,
0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,
0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,
0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,
0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,
0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,
0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,
0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26,
0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
};
#define rj_sbox(x) sbox[(x)]
#define rj_sbox_inv(x) sboxinv[(x)]
#else /* tableless subroutines */
/* -------------------------------------------------------------------------- */
uint8_t gf_alog(uint8_t x) // calculate anti-logarithm gen 3
{
uint8_t atb = 1, z;
while (x--) {z = atb; atb <<= 1; if (z & 0x80) atb^= 0x1b; atb ^= z;}
return atb;
} /* gf_alog */
/* -------------------------------------------------------------------------- */
uint8_t gf_log(uint8_t x) // calculate logarithm gen 3
{
uint8_t atb = 1, i = 0, z;
do {
if (atb == x) break;
z = atb; atb <<= 1; if (z & 0x80) atb^= 0x1b; atb ^= z;
} while (++i > 0);
return i;
} /* gf_log */
/* -------------------------------------------------------------------------- */
uint8_t gf_mulinv(uint8_t x) // calculate multiplicative inverse
{
return (x) ? gf_alog(255 - gf_log(x)) : 0;
} /* gf_mulinv */
/* -------------------------------------------------------------------------- */
uint8_t rj_sbox(uint8_t x)
{
uint8_t y, sb;
sb = y = gf_mulinv(x);
y = (y<<1)|(y>>7); sb ^= y; y = (y<<1)|(y>>7); sb ^= y;
y = (y<<1)|(y>>7); sb ^= y; y = (y<<1)|(y>>7); sb ^= y;
return (sb ^ 0x63);
} /* rj_sbox */
/* -------------------------------------------------------------------------- */
uint8_t rj_sbox_inv(uint8_t x)
{
uint8_t y, sb;
y = x ^ 0x63;
sb = y = (y<<1)|(y>>7);
y = (y<<2)|(y>>6); sb ^= y; y = (y<<3)|(y>>5); sb ^= y;
return gf_mulinv(sb);
} /* rj_sbox_inv */
#endif
/* -------------------------------------------------------------------------- */
uint8_t rj_xtime(uint8_t x)
{
return (x & 0x80) ? ((x << 1) ^ 0x1b) : (x << 1);
} /* rj_xtime */
/* -------------------------------------------------------------------------- */
void aes_subBytes(uint8_t *buf)
{
register uint8_t i = 16;
while (i--) buf[i] = rj_sbox(buf[i]);
} /* aes_subBytes */
/* -------------------------------------------------------------------------- */
void aes_subBytes_inv(uint8_t *buf)
{
register uint8_t i = 16;
while (i--) buf[i] = rj_sbox_inv(buf[i]);
} /* aes_subBytes_inv */
/* -------------------------------------------------------------------------- */
void aes_addRoundKey(uint8_t *buf, uint8_t *key)
{
register uint8_t i = 16;
while (i--) buf[i] ^= key[i];
} /* aes_addRoundKey */
/* -------------------------------------------------------------------------- */
void aes_addRoundKey_cpy(uint8_t *buf, uint8_t *key, uint8_t *cpk)
{
register uint8_t i = 16;
while (i--) buf[i] ^= (cpk[i] = key[i]), cpk[16+i] = key[16 + i];
} /* aes_addRoundKey_cpy */
/* -------------------------------------------------------------------------- */
void aes_shiftRows(uint8_t *buf)
{
register uint8_t i, j; /* to make it potentially parallelable :) */
i = buf[1]; buf[1] = buf[5]; buf[5] = buf[9]; buf[9] = buf[13]; buf[13] = i;
i = buf[10]; buf[10] = buf[2]; buf[2] = i;
j = buf[3]; buf[3] = buf[15]; buf[15] = buf[11]; buf[11] = buf[7]; buf[7] = j;
j = buf[14]; buf[14] = buf[6]; buf[6] = j;
} /* aes_shiftRows */
/* -------------------------------------------------------------------------- */
void aes_shiftRows_inv(uint8_t *buf)
{
register uint8_t i, j; /* same as above :) */
i = buf[1]; buf[1] = buf[13]; buf[13] = buf[9]; buf[9] = buf[5]; buf[5] = i;
i = buf[2]; buf[2] = buf[10]; buf[10] = i;
j = buf[3]; buf[3] = buf[7]; buf[7] = buf[11]; buf[11] = buf[15]; buf[15] = j;
j = buf[6]; buf[6] = buf[14]; buf[14] = j;
} /* aes_shiftRows_inv */
/* -------------------------------------------------------------------------- */
void aes_mixColumns(uint8_t *buf)
{
register uint8_t i, a, b, c, d, e;
for (i = 0; i < 16; i += 4)
{
a = buf[i]; b = buf[i + 1]; c = buf[i + 2]; d = buf[i + 3];
e = a ^ b ^ c ^ d;
buf[i] ^= e ^ rj_xtime(a^b); buf[i+1] ^= e ^ rj_xtime(b^c);
buf[i+2] ^= e ^ rj_xtime(c^d); buf[i+3] ^= e ^ rj_xtime(d^a);
}
} /* aes_mixColumns */
/* -------------------------------------------------------------------------- */
void aes_mixColumns_inv(uint8_t *buf)
{
register uint8_t i, a, b, c, d, e, x, y, z;
for (i = 0; i < 16; i += 4)
{
a = buf[i]; b = buf[i + 1]; c = buf[i + 2]; d = buf[i + 3];
e = a ^ b ^ c ^ d;
z = rj_xtime(e);
x = e ^ rj_xtime(rj_xtime(z^a^c)); y = e ^ rj_xtime(rj_xtime(z^b^d));
buf[i] ^= x ^ rj_xtime(a^b); buf[i+1] ^= y ^ rj_xtime(b^c);
buf[i+2] ^= x ^ rj_xtime(c^d); buf[i+3] ^= y ^ rj_xtime(d^a);
}
} /* aes_mixColumns_inv */
/* -------------------------------------------------------------------------- */
void aes_expandEncKey(uint8_t *k, uint8_t *rc)
{
register uint8_t i;
k[0] ^= rj_sbox(k[29]) ^ (*rc);
k[1] ^= rj_sbox(k[30]);
k[2] ^= rj_sbox(k[31]);
k[3] ^= rj_sbox(k[28]);
*rc = F( *rc);
for(i = 4; i < 16; i += 4) k[i] ^= k[i-4], k[i+1] ^= k[i-3],
k[i+2] ^= k[i-2], k[i+3] ^= k[i-1];
k[16] ^= rj_sbox(k[12]);
k[17] ^= rj_sbox(k[13]);
k[18] ^= rj_sbox(k[14]);
k[19] ^= rj_sbox(k[15]);
for(i = 20; i < 32; i += 4) k[i] ^= k[i-4], k[i+1] ^= k[i-3],
k[i+2] ^= k[i-2], k[i+3] ^= k[i-1];
} /* aes_expandEncKey */
/* -------------------------------------------------------------------------- */
void aes_expandDecKey(uint8_t *k, uint8_t *rc)
{
uint8_t i;
for(i = 28; i > 16; i -= 4) k[i+0] ^= k[i-4], k[i+1] ^= k[i-3],
k[i+2] ^= k[i-2], k[i+3] ^= k[i-1];
k[16] ^= rj_sbox(k[12]);
k[17] ^= rj_sbox(k[13]);
k[18] ^= rj_sbox(k[14]);
k[19] ^= rj_sbox(k[15]);
for(i = 12; i > 0; i -= 4) k[i+0] ^= k[i-4], k[i+1] ^= k[i-3],
k[i+2] ^= k[i-2], k[i+3] ^= k[i-1];
*rc = FD(*rc);
k[0] ^= rj_sbox(k[29]) ^ (*rc);
k[1] ^= rj_sbox(k[30]);
k[2] ^= rj_sbox(k[31]);
k[3] ^= rj_sbox(k[28]);
} /* aes_expandDecKey */
/* -------------------------------------------------------------------------- */
void aes256_init(aes256_context *ctx, uint8_t *k)
{
uint8_t rcon = 1;
register uint8_t i;
for (i = 0; i < sizeof(ctx->key); i++) ctx->enckey[i] = ctx->deckey[i] = k[i];
for (i = 8;--i;) aes_expandEncKey(ctx->deckey, &rcon);
} /* aes256_init */
/* -------------------------------------------------------------------------- */
void aes256_done(aes256_context *ctx)
{
register uint8_t i;
for (i = 0; i < sizeof(ctx->key); i++)
ctx->key[i] = ctx->enckey[i] = ctx->deckey[i] = 0;
} /* aes256_done */
/* -------------------------------------------------------------------------- */
void aes256_encrypt_ecb(aes256_context *ctx, uint8_t *buf)
{
uint8_t i, rcon;
aes_addRoundKey_cpy(buf, ctx->enckey, ctx->key);
for(i = 1, rcon = 1; i < 14; ++i)
{
aes_subBytes(buf);
aes_shiftRows(buf);
aes_mixColumns(buf);
if( i & 1 ) aes_addRoundKey( buf, &ctx->key[16]);
else aes_expandEncKey(ctx->key, &rcon), aes_addRoundKey(buf, ctx->key);
}
aes_subBytes(buf);
aes_shiftRows(buf);
aes_expandEncKey(ctx->key, &rcon);
aes_addRoundKey(buf, ctx->key);
} /* aes256_encrypt */
/* -------------------------------------------------------------------------- */
void aes256_decrypt_ecb(aes256_context *ctx, uint8_t *buf)
{
uint8_t i, rcon;
aes_addRoundKey_cpy(buf, ctx->deckey, ctx->key);
aes_shiftRows_inv(buf);
aes_subBytes_inv(buf);
for (i = 14, rcon = 0x80; --i;)
{
if( ( i & 1 ) )
{
aes_expandDecKey(ctx->key, &rcon);
aes_addRoundKey(buf, &ctx->key[16]);
}
else aes_addRoundKey(buf, ctx->key);
aes_mixColumns_inv(buf);
aes_shiftRows_inv(buf);
aes_subBytes_inv(buf);
}
aes_addRoundKey( buf, ctx->key);
} /* aes256_decrypt */
-42
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@@ -1,42 +0,0 @@
/*
* Byte-oriented AES-256 implementation.
* All lookup tables replaced with 'on the fly' calculations.
*
* Copyright (c) 2007-2009 Ilya O. Levin, http://www.literatecode.com
* Other contributors: Hal Finney
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef uint8_t
#define uint8_t unsigned char
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uint8_t key[32];
uint8_t enckey[32];
uint8_t deckey[32];
} aes256_context;
void aes256_init(aes256_context *, uint8_t * /* key */);
void aes256_done(aes256_context *);
void aes256_encrypt_ecb(aes256_context *, uint8_t * /* plaintext */);
void aes256_decrypt_ecb(aes256_context *, uint8_t * /* cipertext */);
#ifdef __cplusplus
}
#endif
-76
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@@ -1,76 +0,0 @@
/*
* Byte-oriented AES-256 implementation.
* All lookup tables replaced with 'on the fly' calculations.
*
* Copyright (c) 2007 Ilya O. Levin, http://www.literatecode.com
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <sys/times.h>
#include <sys/time.h>
#include "aes256.h"
#ifndef NUM_BLOCKS
#define NUM_BLOCKS 10000
#endif
#define DUMP(s, i, buf, sz) {printf(s); \
for (i = 0; i < (sz);i++) \
printf("%02x ", buf[i]); \
printf("\n");}
int main (int argc, char *argv[])
{
aes256_context ctx;
uint8_t key[32];
uint8_t buf[16], i;
long start, end, j;
/* put a test vector */
for (i = 0; i < sizeof(buf);i++) buf[i] = i * 16 + i;
for (i = 0; i < sizeof(key);i++) key[i] = i;
DUMP("txt: ", i, buf, sizeof(buf));
DUMP("key: ", i, key, sizeof(key));
printf("---\n");
aes256_init(&ctx, key);
start = clock();
for (j=0; j < NUM_BLOCKS; j++)
{
aes256_encrypt_ecb(&ctx, buf);
}
end = clock();
DUMP("enc: ", i, buf, sizeof(buf));
printf("Speed %f blocks/s\n", (float)j/((float)(end-start)/CLOCKS_PER_SEC));
aes256_init(&ctx, key);
start = clock();
for (j=0; j < NUM_BLOCKS; j++)
{
aes256_decrypt_ecb(&ctx, buf);
}
end = clock();
DUMP("dec: ", i, buf, sizeof(buf));
printf("Speed %f blocks/s\n", (float)j/((float)(end-start)/CLOCKS_PER_SEC));
aes256_done(&ctx);
return 0;
} /* main */
-358
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@@ -1,358 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <sys/times.h>
#include <sys/time.h>
#define CPU_FREQ_HZ 100000000
#include "libsys.h"
#include "irq.h"
UINT32 buffer[16384];
#define T_SAMPLE 5000
#define TIMEOUT 1000
typedef struct _bar_t
{
UINT32 T;
UINT32 black;
} bar_t;
enum
{
state_idle = 0,
state_sample,
state_finish
};
typedef struct _sbar_cand_t
{
UINT32 T;
UINT32 is_primitive;
} bar_cand_t;
bar_t bars[1024];
void bsort(float *pData, UINT32 len)
{
float t;
int i, j;
for(i=len-1; i>=0; i--)
{
for(j=1; j<len; j++)
{
if (pData[j-1] > pData[j])
{
t = pData[j-1];
pData[j-1] = pData[j];
pData[j] = t;
}
}
}
}
typedef struct _smedian_t
{
UINT32 N;
UINT32 is_dirty;
float *pBuf, *pSorted;
UINT32 w;
float median;
} median_t;
void Median_init(median_t *pObj, UINT32 N, float init_val)
{
int i;
pObj->pBuf = (float*)malloc(N*sizeof(float));
pObj->pSorted = (float*)malloc(N*sizeof(float));
for (i=0; i < N; i++)
pObj->pBuf[0] = init_val;
pObj->median = init_val;
pObj->is_dirty = 0;
pObj->w = 0;
pObj->N = N;
}
void Median_free(median_t *pObj)
{
if (pObj->pBuf)
free(pObj->pBuf);
if (pObj->pSorted)
free(pObj->pSorted);
pObj->pBuf = NULL;
pObj->pSorted = NULL;
}
void Median_value_add(median_t *pObj, float value)
{
pObj->is_dirty = 1;
pObj->pBuf[pObj->w++] = value;
if (pObj->w == pObj->N)
pObj->w = 0;
}
float Median_get(median_t *pObj)
{
if (!pObj->is_dirty)
return pObj->median;
memcpy(pObj->pSorted, pObj->pBuf, pObj->N*sizeof(float));
bsort(pObj->pSorted, pObj->N);
if (pObj->N&1)
{
pObj->median = pObj->pSorted[(pObj->N-1)/2];
}
else
{
pObj->median = 0.5f*(pObj->pSorted[pObj->N/2] + pObj->pSorted[pObj->N/2+1]);
}
pObj->is_dirty = 0;
return pObj->median;
}
// -------------------------------------------------------------
UINT32 detect_module(UINT32 T, UINT32 T0)
{
UINT32 m, best_M;
float err, kc, best_err;
best_err = 4.f;
best_M = 0;
for (m=1; m < 5; m++)
{
kc = (float)T/(m*T0);
err = fabs(kc - 1);
if (err < best_err)
{
best_M = m;
best_err = err;
}
}
return best_M;
}
void handler7(void)
{
UINT32 volatile *pTim_ctrl = (UINT32*)SYS_ITIM_CTRL;
UINT32 volatile *pTim_stat = (UINT32*)SYS_ITIM_STAT;
UINT32 volatile *pPS20_stat = (UINT32*)SYS_PS2_0_STAT;
UINT32 volatile *pPS21_stat = (UINT32*)SYS_PS2_1_STAT;
static UINT32 state, bar_count;
static UINT32 timeout_count, timeout_reload;
static UINT32 white, pin_last, skip, start;
static UINT32 module_cnt_w, module_cnt_b, Tmod0_w, Tmod0_b, M, T0;
float ratio, error, kc;
UINT32 i;
static median_t med_b, med_w;
static bar_cand_t bc_b, bc_w;
static median_t speed_b, speed_w;
if (*pTim_stat & 1)
{
*pTim_stat = 1;
white = ((*pPS20_stat & SYS_PS2_BIT_PIN_DATA) == 0);
switch (state)
{
case state_idle:
timeout_reload = TIMEOUT;
if (white != pin_last)
{
if (white)
break;
state = state_sample;
module_cnt_b = 0;
module_cnt_w = 0;
Tmod0_w = 0xFFFFFFFF;
Tmod0_b = 0xFFFFFFFF;
bar_count = 0;
Median_init(&med_b, 3, 0);
Median_init(&med_w, 3, 0);
Median_init(&speed_b, 3, 1);
Median_init(&speed_w, 3, 1);
}
break;
case state_sample:
if (!timeout_count)
{
state = state_finish;
break;
}
if (white)
{
module_cnt_w++;
}
else
{
module_cnt_b++;
}
if (white != pin_last)
{
if (pin_last)
{
if (bar_count < 10)
{
if (1.5*module_cnt_w < Tmod0_w)
{
Tmod0_w = module_cnt_w;
}
}
Median_value_add(&med_w, Tmod0_w);
timeout_reload = 10*Tmod0_w;
bars[bar_count].T = module_cnt_w;
bars[bar_count].black = 0;
module_cnt_w = 0;
}
else
{
if (bar_count < 10)
{
if (1.5*module_cnt_b < Tmod0_b)
{
Tmod0_b = module_cnt_b;
}
}
Median_value_add(&med_b, Tmod0_b);
timeout_reload = 10*Tmod0_b;
bars[bar_count].T = module_cnt_b;
bars[bar_count].black = 1;
module_cnt_b = 0;
}
bar_count++;
}
break;
case state_finish:
printf("------------------------------------------------\n");
printf(" Black White \n");
skip = 0;
start = 1;
Tmod0_w = Median_get(&med_w);
Tmod0_b = Median_get(&med_b);
for (i=0; i < bar_count; i++)
{
if (bars[i].black)
{
T0 = Median_get(&med_b);
ratio = (float)bars[i].T/T0;
if (start)
{
if (ratio > 4)
{
skip = 1;
continue;
}
}
start = 0;
skip = 0;
M = detect_module(bars[i].T, T0);
kc = (float)bars[i].T/(M*T0);
error = kc - 1;
// printf("M=%d, R=%2.2f, E=%+2.2f [%04d]", M, ratio, error, T0);
// if (M == 1)
Median_value_add(&med_b, (UINT32)(T0*kc));
Median_value_add(&speed_b, (float)bars[i].T/(M*Tmod0_b));
printf("%06d %2.6f ", bars[i].T, Median_get(&speed_b));
}
else
{
if (skip)
continue;
T0 = Median_get(&med_w);
ratio = (float)bars[i].T/T0;
if (ratio > 9)
{
start = 1;
// printf("\n");
// printf("------------------------------------------------\n");
// printf(" Black White \n");
continue;
}
M = detect_module(bars[i].T, T0);
kc = (float)bars[i].T/(M*T0);
error = kc - 1;
// printf(" M=%d, R=%2.2f, E=%+2.2f [%04d]", M, ratio, error, T0);
// if (M == 1)
Median_value_add(&med_w, (UINT32)(T0*kc));
Median_value_add(&speed_w, (float)bars[i].T/(M*Tmod0_w));
printf("%06d %2.6f ", bars[i].T, Median_get(&speed_w));
printf("\n");
}
}
Median_free(&med_b);
Median_free(&med_w);
Median_free(&speed_b);
Median_free(&speed_w);
if (bar_count)
printf("\n");
state = state_idle;
break;
}
if (white != pin_last)
timeout_count = timeout_reload;
pin_last = white;
if (timeout_count)
timeout_count--;
}
}
int main(void)
{
int i;
UINT32 volatile *pTim_ctrl = (UINT32*)SYS_ITIM_CTRL;
UINT32 volatile *pTim_stat = (UINT32*)SYS_ITIM_STAT;
UINT32 volatile *pTim0_cnt = (UINT32*)SYS_ITIM0_CNT;
UINT32 volatile *pTim0_cmp = (UINT32*)SYS_ITIM0_CMP;
*pTim0_cnt = 0;
*pTim0_cmp = (UINT32)T_SAMPLE;
*pTim_stat = 1;
*pTim_ctrl = 3;
interrupt_register(7, (void*)handler7);
printf("Jenners BarCoder\n");
interrupt_enable(7);
while(1)
{
}
return 0;
}
-322
View File
@@ -1,322 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <sys/times.h>
#include <sys/time.h>
#define CPU_FREQ_HZ 100000000
#include "libsys.h"
#include "irq.h"
UINT32 buffer[16384];
#define T_SAMPLE 5000
#define TIMEOUT 1000
typedef struct _bar_t
{
UINT32 T;
UINT32 black;
} bar_t;
enum
{
state_idle = 0,
state_sample,
state_finish
};
bar_t bars[1024];
void bsort(float *pData, UINT32 len)
{
float t;
int i, j;
for(i=len-1; i>=0; i--)
{
for(j=1; j<len; j++)
{
if (pData[j-1] > pData[j])
{
t = pData[j-1];
pData[j-1] = pData[j];
pData[j] = t;
}
}
}
}
typedef struct _smedian_t
{
UINT32 N;
UINT32 is_dirty;
float *pBuf, *pSorted;
UINT32 w;
float median;
} median_t;
void Median_init(median_t *pObj, UINT32 N, float init_val)
{
int i;
pObj->pBuf = (float*)malloc(N*sizeof(float));
pObj->pSorted = (float*)malloc(N*sizeof(float));
for (i=0; i < N; i++)
pObj->pBuf[0] = init_val;
pObj->median = init_val;
pObj->is_dirty = 0;
pObj->w = 0;
pObj->N = N;
}
void Median_free(median_t *pObj)
{
if (pObj->pBuf)
free(pObj->pBuf);
if (pObj->pSorted)
free(pObj->pSorted);
pObj->pBuf = NULL;
pObj->pSorted = NULL;
}
void Median_value_add(median_t *pObj, float value)
{
pObj->is_dirty = 1;
pObj->pBuf[pObj->w++] = value;
if (pObj->w == pObj->N)
pObj->w = 0;
}
float Median_get(median_t *pObj)
{
if (!pObj->is_dirty)
return pObj->median;
memcpy(pObj->pSorted, pObj->pBuf, pObj->N*sizeof(float));
bsort(pObj->pSorted, pObj->N);
if (pObj->N&1)
{
pObj->median = pObj->pSorted[(pObj->N-1)/2];
}
else
{
pObj->median = 0.5f*(pObj->pSorted[pObj->N/2] + pObj->pSorted[pObj->N/2+1]);
}
pObj->is_dirty = 0;
return pObj->median;
}
// -------------------------------------------------------------
UINT32 detect_module(UINT32 T, UINT32 *pBC)
{
UINT32 m, best_M;
float err, kc, best_err;
best_err = 4.f;
best_M = 0;
for (m=0; m < 4; m++)
{
kc = (float)T/pBC[m];
err = fabs(kc - 1);
if (err < best_err)
{
best_M = m+1;
best_err = err;
}
}
return best_M;
}
void handler7(void)
{
UINT32 volatile *pTim_ctrl = (UINT32*)SYS_ITIM_CTRL;
UINT32 volatile *pTim_stat = (UINT32*)SYS_ITIM_STAT;
UINT32 volatile *pPS20_stat = (UINT32*)SYS_PS2_0_STAT;
UINT32 volatile *pPS21_stat = (UINT32*)SYS_PS2_1_STAT;
static UINT32 state, bar_count;
static UINT32 timeout_count, timeout_reload;
static UINT32 white, pin_last, skip, start;
static UINT32 module_cnt_w, module_cnt_b, Tmod0_w, Tmod0_b, M, T0;
float ratio, error, kc;
UINT32 i, j;
static median_t med_b, med_w;
static UINT32 bc_b[4], bc_w[4];
if (*pTim_stat & 1)
{
*pTim_stat = 1;
white = ((*pPS20_stat & SYS_PS2_BIT_PIN_DATA) == 0);
switch (state)
{
case state_idle:
timeout_reload = TIMEOUT;
if (white != pin_last)
{
if (white)
break;
state = state_sample;
module_cnt_b = 0;
module_cnt_w = 0;
Tmod0_w = 0xFFFFFFFF;
Tmod0_b = 0xFFFFFFFF;
bar_count = 0;
Median_init(&med_b, 3, 1);
Median_init(&med_w, 3, 1);
}
break;
case state_sample:
if (!timeout_count)
{
state = state_finish;
break;
}
if (white)
{
module_cnt_w++;
}
else
{
module_cnt_b++;
}
if (white != pin_last)
{
if (pin_last)
{
if (bar_count < 10)
{
if (1.5*module_cnt_w < Tmod0_w)
{
Tmod0_w = module_cnt_w;
}
}
timeout_reload = 10*Tmod0_w;
bars[bar_count].T = module_cnt_w;
bars[bar_count].black = 0;
module_cnt_w = 0;
}
else
{
if (bar_count < 10)
{
if (1.5*module_cnt_b < Tmod0_b)
{
Tmod0_b = module_cnt_b;
}
}
timeout_reload = 10*Tmod0_b;
bars[bar_count].T = module_cnt_b;
bars[bar_count].black = 1;
module_cnt_b = 0;
}
bar_count++;
}
break;
case state_finish:
printf("------------------------------------------------\n");
printf(" Black White \n");
skip = 0;
start = 1;
for (i=0; i < 4; i++)
{
bc_b[i] = (i+1)*Tmod0_b;
bc_w[i] = (i+1)*Tmod0_w;
}
for (i=0; i < bar_count; i++)
{
if (bars[i].black)
{
M = detect_module(bars[i].T, bc_b);
if (M)
{
kc = (float)bars[i].T/bc_b[M-1];
error = kc - 1;
Median_value_add(&med_b, kc);
printf("M=%d, R=%2.2f, E=%+2.2f [%04d]", M, kc, error, bc_b[M-1]);
kc = Median_get(&med_b);
bc_b[M-1] = (UINT32)(kc*bc_b[M-1]);
}
// printf("%d", M);
}
else
{
M = detect_module(bars[i].T, bc_w);
if (M)
{
kc = (float)bars[i].T/bc_w[M-1];
error = kc - 1;
Median_value_add(&med_w, kc);
printf(" M=%d, R=%2.2f, E=%+2.2f [%04d]", M, kc, error, bc_w[M-1]);
kc = Median_get(&med_w);
bc_w[M-1] = (UINT32)(kc*bc_w[M-1]);
}
// printf("%d", M);
printf("\n");
}
}
Median_free(&med_b);
Median_free(&med_w);
if (bar_count)
printf("\n");
state = state_idle;
break;
}
if (white != pin_last)
timeout_count = timeout_reload;
pin_last = white;
if (timeout_count)
timeout_count--;
}
}
int main(void)
{
int i;
UINT32 volatile *pTim_ctrl = (UINT32*)SYS_ITIM_CTRL;
UINT32 volatile *pTim_stat = (UINT32*)SYS_ITIM_STAT;
UINT32 volatile *pTim0_cnt = (UINT32*)SYS_ITIM0_CNT;
UINT32 volatile *pTim0_cmp = (UINT32*)SYS_ITIM0_CMP;
*pTim0_cnt = 0;
*pTim0_cmp = (UINT32)T_SAMPLE;
*pTim_stat = 1;
*pTim_ctrl = 3;
interrupt_register(7, (void*)handler7);
printf("Jenners BarCoder\n");
interrupt_enable(7);
while(1)
{
}
return 0;
}
@@ -1,84 +0,0 @@
#include "snipmath.h"
#include <math.h>
/* The printf's may be removed to isolate just the math calculations */
int main(void)
{
double a1 = 1.0, b1 = -10.5, c1 = 32.0, d1 = -30.0;
double a2 = 1.0, b2 = -4.5, c2 = 17.0, d2 = -30.0;
double a3 = 1.0, b3 = -3.5, c3 = 22.0, d3 = -31.0;
double a4 = 1.0, b4 = -13.7, c4 = 1.0, d4 = -35.0;
double x[3];
double X;
int solutions;
int i;
unsigned long l = 0x3fed0169L;
struct int_sqrt q;
long n = 0;
/* solve soem cubic functions */
printf("********* CUBIC FUNCTIONS ***********\n");
/* should get 3 solutions: 2, 6 & 2.5 */
SolveCubic(a1, b1, c1, d1, &solutions, x);
printf("Solutions:");
for(i=0;i<solutions;i++)
printf(" %f",x[i]);
printf("\n");
/* should get 1 solution: 2.5 */
SolveCubic(a2, b2, c2, d2, &solutions, x);
printf("Solutions:");
for(i=0;i<solutions;i++)
printf(" %f",x[i]);
printf("\n");
SolveCubic(a3, b3, c3, d3, &solutions, x);
printf("Solutions:");
for(i=0;i<solutions;i++)
printf(" %f",x[i]);
printf("\n");
SolveCubic(a4, b4, c4, d4, &solutions, x);
printf("Solutions:");
for(i=0;i<solutions;i++)
printf(" %f",x[i]);
printf("\n");
/* Now solve some random equations */
for(a1=1;a1<10;a1++) {
for(b1=10;b1>0;b1--) {
for(c1=5;c1<15;c1+=0.5) {
for(d1=-1;d1>-11;d1--) {
SolveCubic(a1, b1, c1, d1, &solutions, x);
printf("Solutions:");
for(i=0;i<solutions;i++)
printf(" %f",x[i]);
printf("\n");
}
}
}
}
printf("********* INTEGER SQR ROOTS ***********\n");
/* perform some integer square roots */
for (i = 0; i < 1001; ++i)
{
usqrt(i, &q);
// remainder differs on some machines
// printf("sqrt(%3d) = %2d, remainder = %2d\n",
printf("sqrt(%3d) = %2d\n",
i, q.sqrt);
}
usqrt(l, &q);
//printf("\nsqrt(%lX) = %X, remainder = %X\n", l, q.sqrt, q.frac);
printf("\nsqrt(%lX) = %X\n", l, q.sqrt);
printf("********* ANGLE CONVERSION ***********\n");
/* convert some rads to degrees */
for (X = 0.0; X <= 360.0; X += 1.0)
printf("%3.0f degrees = %.12f radians\n", X, deg2rad(X));
puts("");
for (X = 0.0; X <= (2 * PI + 1e-6); X += (PI / 180))
printf("%.12f radians = %3.0f degrees\n", X, rad2deg(X));
return 0;
}
-71
View File
@@ -1,71 +0,0 @@
/*
* bogomips.c -- Program to measure bogomips... this program will probably go
* totally wacky with cpufreq enabled.
*
* Copyright (C) 2005 Darrick Wong.
*/
#include <stdio.h>
#include <time.h>
/* this should be approx 2 Bo*oMips to start (note initial shift), and will
* still work even if initially too large, it will just take slightly longer */
unsigned long loops_per_jiffy = (1<<12);
/* This is the number of bits of precision for the loops_per_jiffy. Each
* bit takes on average 1.5/HZ seconds. This (like the original) is a little
* better than 1% */
#define LPS_PREC 8
extern void delay(unsigned int loops);
//plagiarized straight from the 2.4 sources.
#ifdef NOMAIN
int calibrate_delay(void)
#else
int main(void)
#endif
{
unsigned long ticks, loopbit;
int lps_precision = LPS_PREC;
loops_per_jiffy = (1<<12);
printf("Calibrating delay loop... ");
while (loops_per_jiffy <<= 1) {
/* wait for "start of" clock tick */
ticks = clock();
while (ticks == clock())
/* nothing */;
/* Go .. */
ticks = clock();
delay(loops_per_jiffy);
ticks = clock() - ticks;
if (ticks)
break;
}
/* Do a binary approximation to get loops_per_jiffy set to equal one clock
(up to lps_precision bits) */
loops_per_jiffy >>= 1;
loopbit = loops_per_jiffy;
while ( lps_precision-- && (loopbit >>= 1) ) {
loops_per_jiffy |= loopbit;
ticks = clock();
while (ticks == clock());
ticks = clock();
delay(loops_per_jiffy);
if (clock() != ticks) /* longer than 1 tick */
loops_per_jiffy &= ~loopbit;
}
/* Round the value and print it */
printf("%lu.%02lu BogoMIPS\n",
loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ)) % 100);
return loops_per_jiffy;
}
+403
View File
@@ -0,0 +1,403 @@
#include "libsys.h"
#include "cfiflash.h"
typedef struct _ssrec_t
{
UINT32 addr;
UINT32 size;
UINT32 type;
UINT8 *data;
} srec_t;
enum srec_type
{
srec_err, srec_sob, srec_data, srec_rec, srec_eob
};
UINT8 h2i(UINT8 *c)
{
int i;
UINT8 t, b = 0;
for (i=0; i < 2; i++)
{
t = c[i];
if (t >= 'A')
t = t - 'A' + 10;
else
t -= '0';
b = (b << 4) | t;
}
return b;
}
int decode_srec(srec_t *pRec, UINT8 *pBuf, int buflen)
{
UINT8 chksum, byte;
int alen, i;
if (!buflen)
return srec_err;
pRec->type = srec_rec;
alen = 0;
if ((pBuf[1] > '0') && (pBuf[1] < '4'))
{
alen = pBuf[1] - '0' + 1;
pRec->type = srec_data;
}
else if ((pBuf[1] >= '7') && (pBuf[1] <= '9'))
{
alen = 11 - (pBuf[1] - '0');
pRec->type = srec_eob;
}
else if (pBuf[1] == '0')
{
alen = 2;
pRec->type = srec_sob;
}
byte = h2i(&pBuf[2]);
pRec->size = byte;
chksum = byte;
pRec->addr = 0;
for (i=0; i < alen; i++)
{
byte = h2i(&pBuf[4+2*i]);
pRec->addr = pRec->addr << 8 | byte;
chksum += byte;
}
pRec->size -= (alen+1);
pRec->data = (UINT8*) &pBuf[4 + 2*alen];
for (i=0; i < (int)pRec->size; i++)
{
byte = h2i(&pRec->data[2*i]);
pRec->data[i] = byte;
chksum += byte;
}
chksum = ~chksum;
byte = h2i(&pRec->data[2*i]);
if (chksum != byte)
return 0;
return pRec->type;
}
int srec_getline(UINT8 *pLine)
{
char c;
int i = 0;
do
{
c = readchar();
} while ((c != 's') && (c != 'S'));
while(((c != 0x0D) && (c != 0x0A)))
{
pLine[i++] = c;
c = readchar();
};
return i;
}
void Exec_at(void *pEntry)
{
__asm
(
".set noreorder\n"
"mfc0 $26, $12\n" // change exception vector
"li $27, 0xFFBFFFFF\n"
"and $26, $27\n"
"mtc0 $26, $12\n"
"jr $4\n" // jump entry
"rfe\n"
".set reorder\n"
);
}
void PrintCPUinfo(void)
{
int result, rev_id;
char *cpu_type_str[7] = {"invalid", "R2000", "R3000", "R6000", "R4000", "reserved", "R6000A"};
// Print Status register
result = CP0_SR_read();
sputs("Status : ");
print_word(result);
sputs("\n");
// Print Revision
result = CP0_PRID_read();
rev_id = (result >> 8) & 0xFF;
sputs("CPU type: ");
if ((rev_id > 0) && (rev_id < 0x07))
{
sputs(cpu_type_str[rev_id]);
sputs(" Rev.");
rev_id = result & 0xFF;
print_byte((char)rev_id);
}
else
sputs("Unknown");
sputs("\n");
}
#define TEST_SIZE (1024*1024) // bytes
//#define TEST_SIZE (1024) // bytes
#define SDRAM_BASE 0x40000000
#define IMAGE_OFFSET 0x01000000
#define FLASH_OFFSET 0x00700000
int main(int argc, char *argv[])
{
UINT8 buf[256];
srec_t srec;
int result, i;
UINT32 haddr, addr;
flash_t flash;
volatile UINT32 *pReg = (UINT32*)sys_led_port;
volatile UINT32 *pBtn = (UINT32*)sys_gpio0;
volatile UINT8 *pMem;
volatile UINT32 *pROM32;
volatile UINT32 *pMem32;
volatile UINT32 *pFlash = (UINT32*)sys_flash_io;
volatile UINT32 *pUSB = (UINT32*)sys_usb_data;
volatile UINT8 *ram8 = (UINT8*)SDRAM_BASE;
volatile UINT16 *ram16 = (UINT16*)SDRAM_BASE;
volatile UINT32 *ram32 = (UINT32*)SDRAM_BASE;
*pReg = 0;
haddr = 0;
/*
__asm __volatile
(
".set noreorder\n"
"li $a0, 0xA0020000\n"
"li $t0, 0x12345678\n"
"li $t1, 0x5555AAAA\n"
"sw $t0, 0($a0)\n"
// "nop\n"
"sw $t1, 4($a0)\n"
// "nop\n"
"lw $v0, 0($a0)\n"
// "nop\n"
"lw $v0, 4($a0)\n"
// "nop\n"
"sw $t0, 0($a0)\n"
// "nop\n"
"lw $v0, 4($a0)\n"
// "nop\n"
"sw $t1, 4($a0)\n"
// "nop\n"
"lw $v0, 0($a0)\n"
".set reorder\n"
);
__asm __volatile
(
".set noreorder\n"
"lui $v1, 0xA002\n"
"lui $v0,0x70\n"
"ori $v0,$v0,0x70\n"
"sw $v0,0($v1)\n"
"lui $a0,0x4002\n"
"lw $a1,0($v1)\n"
"lw $ra,12($sp)\n"
"lw $s1,8($sp)\n"
"lw $s0,4($sp)\n"
".set reorder\n"
);
*/
// PrintCPUinfo();
/*
*(pFlash+0) = 0x12345678;
*(pFlash+1) = 0xAAAA5555;
*(pFlash+2) = 0xFFFF0000;
*(pFlash+3) = 0x0000FFFF;
*pReg = *(pFlash+0);
*pReg = *(pFlash+1);
*pReg = *(pFlash+2);
*pReg = *(pFlash+3);
*(pUSB+0) = 0x12345678;
*(pUSB+1) = 0xAAAA5555;
*(pUSB+2) = 0xFFFF0000;
*(pUSB+3) = 0x0000FFFF;
*pReg = *(pUSB+0);
*pReg = *(pUSB+1);
*pReg = *(pUSB+2);
*pReg = *(pUSB+3);
sputs("BOOT ");
pMem32 = (UINT32*)0x40000000;
pROM32 = (UINT32*)0x00000000;
for (i=0; i < 0x3500; i+=4)
*pMem32++ = *pROM32++;
Exec_at((void*)0x40000000);
// Memtest BEGIN
sputs("SDRAM Memory Test\r\n");
sputs("Write (8-Bit access)...");
for (i=0; i < TEST_SIZE; i++)
ram8[i] = (UINT8)i;
sputs("done\r\n");
sputs("Verify (8-Bit access)...");
for (i=TEST_SIZE-1; i >= 0; i--)
if (ram8[i] != (UINT8)i)
break;
i++;
if (i)
sputs("failed\r\n");
else
sputs("passed\r\n");
sputs("Write (16-Bit access)...");
for (i=0; i < TEST_SIZE/2; i++)
ram16[i] = (UINT16)i;
sputs("done\r\n");
sputs("Verify (16-Bit access)...");
for (i=TEST_SIZE/2-1; i >= 0; i--)
if (ram16[i] != (UINT16)i)
break;
i++;
if (i)
sputs("failed\r\n");
else
sputs("passed\r\n");
sputs("Write (32-Bit access)...");
for (i=0; i < TEST_SIZE/4; i++)
ram32[i] = (UINT32)i;
sputs("done\r\n");
sputs("Verify (32-Bit access)...");
for (i=TEST_SIZE/4-1; i >= 0; i--)
if (ram32[i] != (UINT32)i)
break;
i++;
if (i)
sputs("failed\r\n");
else
sputs("passed\r\n");
for (i=0; i < TEST_SIZE/4; i++)
ram32[i] = 0;
// Memtest END
// ----------------------------------------------------------
*/
ram32 = (UINT32*)(SDRAM_BASE + IMAGE_OFFSET);
pFlash = (UINT32*)(sys_flash_io + FLASH_OFFSET);
print_word((UINT32)*pBtn);
if (!*pBtn)
{
sputs("Booting from flash..");
for (i=0; i < TEST_SIZE/4; i++)
ram32[i] = pFlash[i];
sputs("done");
Exec_at((void*)ram32);
}
else
{
sputs("SDRAM erase at : ");
print_word((UINT32)ram32);
sputs("\n");
for (i=0; i < TEST_SIZE/4; i++)
ram32[i] = 0;
cfi_init(&flash, sys_flash_io);
if (cfi_find(&flash) < 0)
return 1;
sputs("Found Flash at ");
print_word((UINT32)flash.pBase);
sputs("\n");
addr = FLASH_OFFSET;
sputs("Flash erase at : ");
print_word(addr);
sputs("\n");
cfi_block_erase(&flash, addr/4);
while(1)
{
sputs("BOOT ");
while(1)
{
result = srec_getline(buf);
result = decode_srec(&srec, buf, result);
*pReg = 0;
srec.addr += IMAGE_OFFSET;
switch (result)
{
case srec_data:
if ((srec.addr + srec.size) > haddr)
haddr = srec.addr + srec.size;
pMem = (UINT8*)srec.addr;
for (i=0; i < srec.size; i++)
*pMem++ = srec.data[i];
break;
case srec_eob:
*pReg = 1;
print_word(srec.addr);
sputs(" to ");
print_word(haddr-4);
sputs("\n");
addr = FLASH_OFFSET;
sputs("Program Flash at : ");
print_word(addr);
sputs("\n");
cfi_program_multi(&flash, addr/4, (UINT32*)ram32, TEST_SIZE/4);
// Exec_at((void*)srec.addr);
break;
default:
break;
}
if (result == srec_err)
{
*pReg = 0x40000000;
break;
}
};
}
}
return 0;
}
@@ -0,0 +1,40 @@
ROM_WORDADDR_WIDTH=11
TOOLS_DIR=../../../tools
CFLAGS=-Os -I. -I../ -msoft-float -march=r3000
LFLAGS=-M -T bootloader.ld
LIB_DIRS=-L /usr/local/mipsel-elf/lib -L /usr/local/lib/gcc/mipsel-elf/4.3.2
LIBS=-lc -lgcc
CC=mipsel-elf-gcc
LD=mipsel-elf-ld
OBJDUMP=mipsel-elf-objdump
OBJCOPY=mipsel-elf-objcopy
all: bootloader_flash
libsys: startup_boot.S init_boot.S kernel_boot.S libsys_boot.c
$(CC) $(CFLAGS) -c startup_boot.S -o startup.o
$(CC) $(CFLAGS) -c init_boot.S -o init.o
$(CC) $(CFLAGS) -c kernel_boot.S -o kernel.o
$(CC) $(CFLAGS) -c libsys_boot.c -o libsys.o
bootloader: libsys bootloader.c
$(CC) $(CFLAGS) -g -c bootloader.c
$(LD) $(LFLAGS) $(LIB_DIRS) startup.o init.o kernel.o libsys.o bootloader.o -o bootloader.elf $(LIBS) >bootloader.map
$(OBJDUMP) -d bootloader.elf > bootloader.dis
$(OBJCOPY) bootloader.elf -O binary bootloader.ROM.bin
$(OBJCOPY) -O srec bootloader.elf bootloader.srec
$(TOOLS_DIR)/romgen bootloader.ROM.bin 10
bootloader_flash: libsys bootloader_with_flash.c
$(CC) $(CFLAGS) -g -c bootloader_with_flash.c
$(CC) $(CFLAGS) -g -c ../cfiflash.c
$(LD) $(LFLAGS) $(LIB_DIRS) startup.o init.o kernel.o libsys.o cfiflash.o bootloader_with_flash.o -o bootloader.elf $(LIBS) >bootloader.map
$(OBJDUMP) -d bootloader.elf > bootloader.dis
$(OBJCOPY) bootloader.elf -O binary bootloader.ROM.bin
$(OBJCOPY) -O srec bootloader.elf bootloader.srec
$(TOOLS_DIR)/romgen bootloader.ROM.bin 11
clean:
rm -rf *.o *.bin *.map *.dis *.srec *.elf *.vhd* *.tcl bootloader > /dev/null
@@ -0,0 +1,247 @@
#include "libsys_boot.h"
typedef struct _ssrec_t
{
UINT32 addr;
UINT32 size;
UINT32 type;
UINT8 *data;
} srec_t;
enum srec_type
{
srec_err, srec_sob, srec_data, srec_rec, srec_eob
};
UINT8 h2i(UINT8 *c)
{
int i;
UINT8 t, b = 0;
for (i=0; i < 2; i++)
{
t = c[i];
if (t >= 'A')
t = t - 'A' + 10;
else
t -= '0';
b = (b << 4) | t;
}
return b;
}
int decode_srec(srec_t *pRec, UINT8 *pBuf, int buflen)
{
UINT8 chksum, byte;
int alen, i;
if (!buflen)
return srec_err;
pRec->type = srec_rec;
alen = 0;
if ((pBuf[1] > '0') && (pBuf[1] < '4'))
{
alen = pBuf[1] - '0' + 1;
pRec->type = srec_data;
}
else if ((pBuf[1] >= '7') && (pBuf[1] <= '9'))
{
alen = 11 - (pBuf[1] - '0');
pRec->type = srec_eob;
}
else if (pBuf[1] == '0')
{
alen = 2;
pRec->type = srec_sob;
}
byte = h2i(&pBuf[2]);
pRec->size = byte;
chksum = byte;
pRec->addr = 0;
for (i=0; i < alen; i++)
{
byte = h2i(&pBuf[4+2*i]);
pRec->addr = pRec->addr << 8 | byte;
chksum += byte;
}
pRec->size -= (alen+1);
pRec->data = (UINT8*) &pBuf[4 + 2*alen];
for (i=0; i < (int)pRec->size; i++)
{
byte = h2i(&pRec->data[2*i]);
pRec->data[i] = byte;
chksum += byte;
}
chksum = ~chksum;
byte = h2i(&pRec->data[2*i]);
if (chksum != byte)
return 0;
return pRec->type;
}
int srec_getline(UINT8 *pLine)
{
char c;
int i = 0;
do
{
c = readchar();
} while ((c != 's') && (c != 'S'));
while(((c != 0x0D) && (c != 0x0A)))
{
pLine[i++] = c;
c = readchar();
};
return i;
}
void Jump_to(void *pEntry)
{
__asm
(
".set noreorder\n"
);
__asm
(
"jr %[pEntry]\n" // jump entry
:
: [pEntry] "r" (pEntry)
);
__asm
(
"nop\n"
);
__asm
(
".set reorder\n"
);
}
void Exec_at(void *pEntry)
{
__asm
(
".set noreorder\n"
);
__asm
(
"mfc0 $26, $12\n" // change exception vector
"li $27, 0xFFBFFFFF\n"
"and $26, $27\n"
"mtc0 $26, $12\n"
);
__asm
(
"lw $v0, 16($sp)\n"
"nop\n"
"jr $v0\n" // jump entry
"rfe\n"
);
__asm
(
".set reorder\n"
);
}
void PrintCPUinfo(void)
{
int result, rev_id;
char *cpu_type_str[7] = {"invalid", "R2000", "R3000", "R6000", "R4000", "reserved", "R6000A"};
// Print Status register
result = CP0_SR_read();
sputs("Status : ");
print_word(result);
sputs("\n");
// Print Revision
result = CP0_PRID_read();
rev_id = (result >> 8) & 0xFF;
sputs("CPU type: ");
if ((rev_id > 0) && (rev_id < 0x07))
{
sputs(cpu_type_str[rev_id]);
sputs(" Rev.");
rev_id = result & 0xFF;
print_byte((char)rev_id);
}
else
sputs("Unknown");
sputs("\n");
}
#define MAX_IMG_SIZE (1024*1024) // bytes
int main(int argc, char *argv[])
{
UINT8 buf[256];
srec_t srec;
int result, srec_state, i;
UINT32 haddr;
volatile UINT8 *pMem;
haddr = 0;
// ----------------------------------------------------------
sputs("\n\n");
PrintCPUinfo();
sputs("Booting from UART..");
while(1)
{
sputs(".");
while(1)
{
result = srec_getline(buf);
srec_state = decode_srec(&srec, buf, result);
switch (srec_state)
{
case srec_data:
if ((srec.addr + srec.size) > haddr)
haddr = srec.addr + srec.size;
pMem = (UINT8*)srec.addr;
for (i=0; i < srec.size; i++)
*pMem++ = srec.data[i];
break;
case srec_eob:
sputs("done\n\n");
sputs("Execute program at ");
print_word(srec.addr);
sputs("\n\n");
Exec_at((void*)srec.addr);
break;
default:
result = -1;
break;
}
if (result < 0)
{
break;
}
};
}
return 0;
}
@@ -0,0 +1,42 @@
MEMORY
{
rom : ORIGIN = 0xBFC00000, LENGTH = 0x00002000 /* 8K */
}
stack_ptr = 0x7FFFFFF0;
baudrate = 0x0D;
sys_led_port = 0xA0000000;
sys_uart_data = 0xA0010000;
sys_uart_stat = 0xA0010004;
sys_uart_baud = 0xA0010008;
sys_timer_usec = 0xA000008;
sys_timer_sec = 0xA000000C;
SECTIONS
{
.stext ORIGIN(rom) :
{
start = ALIGN(4);
entry = ALIGN(4);
_entry = ALIGN(4);
__entry = ALIGN(4);
*(.stext)
} > rom
.ktext ORIGIN(rom) + 0x180 :
{
*(.ktext)
} > rom
.text . :
{
*(.text)
} > rom
.rodata . :
{
*(.rodata*)
} > rom
}
@@ -0,0 +1,360 @@
#include "libsys_boot.h"
#include "cfiflash.h"
typedef struct _ssrec_t
{
UINT32 addr;
UINT32 size;
UINT32 type;
UINT8 *data;
} srec_t;
typedef struct _sflash_img_hdr_t
{
UINT8 magic[4];
UINT32 target_addr;
UINT32 img_offset;
UINT32 img_size;
UINT32 hdr_next;
UINT8 img_name[128];
UINT8 res[108];
} flash_img_hdr_t;
enum srec_type
{
srec_err, srec_sob, srec_data, srec_rec, srec_eob
};
UINT8 h2i(UINT8 *c)
{
int i;
UINT8 t, b = 0;
for (i=0; i < 2; i++)
{
t = c[i];
if (t >= 'A')
t = t - 'A' + 10;
else
t -= '0';
b = (b << 4) | t;
}
return b;
}
int decode_srec(srec_t *pRec, UINT8 *pBuf, int buflen)
{
UINT8 chksum, byte;
int alen, i;
if (!buflen)
return srec_err;
pRec->type = srec_rec;
alen = 0;
if ((pBuf[1] > '0') && (pBuf[1] < '4'))
{
alen = pBuf[1] - '0' + 1;
pRec->type = srec_data;
}
else if ((pBuf[1] >= '7') && (pBuf[1] <= '9'))
{
alen = 11 - (pBuf[1] - '0');
pRec->type = srec_eob;
}
else if (pBuf[1] == '0')
{
alen = 2;
pRec->type = srec_sob;
}
byte = h2i(&pBuf[2]);
pRec->size = byte;
chksum = byte;
pRec->addr = 0;
for (i=0; i < alen; i++)
{
byte = h2i(&pBuf[4+2*i]);
pRec->addr = pRec->addr << 8 | byte;
chksum += byte;
}
pRec->size -= (alen+1);
pRec->data = (UINT8*) &pBuf[4 + 2*alen];
for (i=0; i < (int)pRec->size; i++)
{
byte = h2i(&pRec->data[2*i]);
pRec->data[i] = byte;
chksum += byte;
}
chksum = ~chksum;
byte = h2i(&pRec->data[2*i]);
if (chksum != byte)
return 0;
return pRec->type;
}
int srec_getline(UINT8 *pLine)
{
char c;
int i = 0;
do
{
c = readchar();
} while ((c != 's') && (c != 'S'));
while(((c != 0x0D) && (c != 0x0A)))
{
pLine[i++] = c;
c = readchar();
};
return i;
}
void Jump_to(void *pEntry)
{
__asm
(
".set noreorder\n"
);
__asm
(
"jr %[pEntry]\n" // jump entry
:
: [pEntry] "r" (pEntry)
);
__asm
(
"nop\n"
);
__asm
(
".set reorder\n"
);
}
void Exec_at(void *pEntry)
{
__asm
(
".set noreorder\n"
);
__asm
(
"mfc0 $26, $12\n" // change exception vector
"li $27, 0xFFBFFFFF\n"
"and $26, $27\n"
"mtc0 $26, $12\n"
);
__asm
(
"jr %[pEntry]\n" // jump entry
:
: [pEntry] "r" (pEntry)
);
__asm
(
"rfe\n"
);
__asm
(
".set reorder\n"
);
}
void PrintCPUinfo(void)
{
int result, rev_id;
char *cpu_type_str[7] = {"invalid", "R2000", "R3000", "R6000", "R4000", "reserved", "R6000A"};
// Print Status register
result = CP0_SR_read();
sputs("Status : ");
print_word(result);
sputs("\n");
// Print Revision
result = CP0_PRID_read();
rev_id = (result >> 8) & 0xFF;
sputs("CPU type: ");
if ((rev_id > 0) && (rev_id < 0x07))
{
sputs(cpu_type_str[rev_id]);
sputs(" Rev.");
rev_id = result & 0xFF;
print_byte((char)rev_id);
}
else
sputs("Unknown");
sputs("\n");
}
#define MAX_IMG_SIZE (1024*1024) // bytes
#define SDRAM_BASE 0x40000000
#define FLASH_OFFSET 0x00000000
int main(int argc, char *argv[])
{
UINT8 buf[256];
srec_t srec;
int result, srec_state, i;
UINT32 haddr;
flash_t flash;
flash_img_hdr_t img_hdr = {0};
flash_img_hdr_t *pImg_hdr;
UINT32 img_size;
volatile UINT32 *pReg = (UINT32*)sys_led_port;
volatile UINT32 *pBtn = (UINT32*)sys_gpio0;
volatile UINT8 *pMem;
volatile UINT32 *pROM32;
volatile UINT32 *pMem32;
volatile UINT32 *pFlash = (UINT32*)sys_flash_io;
volatile UINT32 *pUSB = (UINT32*)sys_usb_data;
volatile UINT8 *ram8 = (UINT8*)SDRAM_BASE;
volatile UINT16 *ram16 = (UINT16*)SDRAM_BASE;
volatile UINT32 *ram32 = (UINT32*)SDRAM_BASE;
*pReg = 0;
haddr = 0;
// ----------------------------------------------------------
ram32 = (UINT32*)(SDRAM_BASE);
pFlash = (UINT32*)(sys_flash_io + FLASH_OFFSET);
if (!*pBtn)
{
sputs("\n\n");
sputs("Booting from flash...");
pImg_hdr = (flash_img_hdr_t*)pFlash;
ram32 = (UINT32*)pImg_hdr->target_addr;
pFlash = (UINT32*)(sys_flash_io + pImg_hdr->img_offset);
img_size = pImg_hdr->img_size;
for (i=0; i < img_size/4; i++)
ram32[i] = pFlash[i];
sputs("done\n\n");
Exec_at((void*)ram32);
}
else
{
if (flash_find(&flash, sys_flash_io) < 0)
{
sputs("Cannot find flash device. Exit now!\n\n");
return 1;
}
// Erase SDRAM
for (i=0; i < MAX_IMG_SIZE/4; i++)
ram32[i] = 0;
sputs("\n\n");
sputs("Booting from UART..");
while(1)
{
sputs(".");
while(1)
{
result = srec_getline(buf);
srec_state = decode_srec(&srec, buf, result);
*pReg = 0;
switch (srec_state)
{
case srec_data:
if ((srec.addr + srec.size) > haddr)
haddr = srec.addr + srec.size;
pMem = (UINT8*)srec.addr;
for (i=0; i < srec.size; i++)
*pMem++ = srec.data[i];
break;
case srec_eob:
sputs("done\n\n");
img_hdr.magic[0] = 'J';
img_hdr.magic[1] = 'F';
img_hdr.magic[2] = 'I';
img_hdr.magic[3] = '1';
img_hdr.target_addr = srec.addr;
img_hdr.img_size = haddr - srec.addr;
img_hdr.img_offset = FLASH_OFFSET + sizeof(flash_img_hdr_t);
img_hdr.hdr_next = FLASH_OFFSET;
sputs("Flash erase...");
result = flash_erase(&flash, FLASH_OFFSET, img_hdr.img_size + sizeof(flash_img_hdr_t));
if (result < 0)
{
sputs("failed!\n");
break;
}
sputs("done\n");
sputs("Flash write...");
result = flash_program(&flash, FLASH_OFFSET, (UINT8*)&img_hdr, sizeof(flash_img_hdr_t));
if (result < 0)
{
sputs("failed!\n");
break;
}
result = flash_program(&flash, img_hdr.img_offset, (UINT8*)ram32, img_hdr.img_size);
if (result < 0)
{
sputs("failed!\n");
break;
}
sputs("done\n");
sputs("Flash verify...");
result = flash_verify(&flash, img_hdr.img_offset, (UINT8*)ram32, img_hdr.img_size);
if (result < 0)
{
sputs("failed!\n");
break;
}
sputs("passed\n");
Jump_to((void*)0xBFC00000);
// sputs("\nPush reset button to boot!\n");
// *pReg = 1;
break;
default:
result = -1;
break;
}
if (result < 0)
{
*pReg = 0x40000000;
break;
}
};
}
}
return 0;
}
@@ -0,0 +1,208 @@
.file "init.S"
.text
.align 2
.globl _init
.extern end
_init:
.set noreorder
# set uart
la $26, sys_uart_baud
addiu $27, $0, baudrate
sb $27, 0($26)
# set stack pointer
la $sp, stack_ptr
# j $jmain
# TEST
li $26, +5
beqz $26, _terminate
li $26, -5
beqz $26, _terminate
li $26, 0
beqz $26, $_L11
nop
j _terminate
nop
$_L11:
li $26, +5
li $27, +6
beq $26, $27, _terminate
li $26, -5
beq $26, $27, _terminate
li $26, 0
beq $26, $27, _terminate
li $26, +6
beq $26, $27, $_L12
nop
j _terminate
nop
$_L12:
li $26, -5
bgez $26, _terminate
li $26, +5
bgez $26, $_L13
nop
j _terminate
$_L13: li $26, 0
bgez $26, $_L14
nop
j _terminate
$_L14:
li $26, -5
bgtz $26, _terminate
li $26, 0
bgtz $26, _terminate
li $26, +5
bgtz $26, $_L15
nop
j _terminate
$_L15:
li $26, +5
blez $26, _terminate
li $26, 0
blez $26, $_L16
nop
j _terminate
$_L16: li $26, -5
blez $26, $_L17
nop
j _terminate
$_L17:
li $26, +5
bltz $26, _terminate
li $26, 0
bltz $26, _terminate
li $26, -5
bltz $26, $_L18
nop
j _terminate
$_L18:
li $26, +5
li $27, +6
bne $26, $27, $_L19
nop
j _terminate
$_L19: li $26, -5
bne $26, $27, $_L20
nop
j _terminate
$_L20: li $26, -6
bne $26, $27, $_L21
nop
j _terminate
$_L21: li $26, 0
bne $26, $27, $_L22
nop
j _terminate
$_L22: li $26, +6
bne $26, $27, _terminate
li $26, +5
bnez $26, $_L23
nop
j _terminate
$_L23: li $26, -5
bnez $26, $_L24
nop
j _terminate
$_L24: li $26, 0
bnez $26, _terminate
$_L25:
li $27, +5
sltiu $26,$27,+6
sltiu $26,$27,-6
li $27, -5
sltiu $26,$27,+6
sltiu $26,$27,-6
li $27, +6
sltiu $26,$27,+5
sltiu $26,$27,-5
li $27, -6
sltiu $26,$27,+5
sltiu $26,$27,-5
li $27, +5
slti $26,$27,+6
slti $26,$27,-6
li $27, -5
slti $26,$27,+6
slti $26,$27,-6
li $27, +6
slti $26,$27,+5
slti $26,$27,-5
li $27, -6
slti $26,$27,+5
slti $26,$27,-5
li $26, +5
li $27, +6
sltu $26,$26,$27
li $26, +5
li $27, -6
sltu $26,$26,$27
li $26, -5
li $27, +6
sltu $26,$26,$27
li $26, -5
li $27, -6
sltu $26,$26,$27
li $26, +6
li $27, +5
sltu $26,$26,$27
li $26, +6
li $27, -5
sltu $26,$26,$27
li $26, -6
li $27, +5
sltu $26,$26,$27
li $26, -6
li $27, -5
sltu $26,$26,$27
li $26, +5
li $27, +6
slt $26,$26,$27
li $26, +5
li $27, -6
slt $26,$26,$27
li $26, -5
li $27, +6
slt $26,$26,$27
li $26, -5
li $27, -6
slt $26,$26,$27
li $26, +6
li $27, +5
slt $26,$26,$27
li $26, +6
li $27, -5
slt $26,$26,$27
li $26, -6
li $27, +5
slt $26,$26,$27
li $26, -6
li $27, -5
slt $26,$26,$27
# TEST
# jump main
$jmain: la $26, main
jalr $26
_terminate:
nop
j _terminate
nop
.set reorder
@@ -0,0 +1,45 @@
.file "kernel.S"
.section .ktext,"ax"
.align 2
.macro kpush reg
addiu $sp, 4
sw \reg, 0($sp)
.endm
.macro kpop reg
lw \reg, 0($sp)
addiu $sp, -4
.endm
_exc_handler:
.set noreorder
# Set Error LED and ExcCode LEDs
# Get Cause
mfc0 $26, $13
la $27, sys_led_port
srl $26, 2
andi $26, 0x000F
or $26, $27
sw $26, 0($27)
# wait for all interrupts = 0
$w4x: mfc0 $26, $13
nop
srl $26, 8
andi $26, 0xFF
bnez $26, $w4x
nop
# Get return address
mfc0 $26, $14
# Return
nop
jr $26
rfe
.set reorder
@@ -0,0 +1,142 @@
#include <sys/times.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
#include "libsys_boot.h"
// ---------------------------------------------------------------------------------
// MIPS specific
UINT32 CP0_SR_read(void)
{
UINT32 result;
__asm
(
"mfc0 %[val], $12\n"
: [val] "=r" (result)
);
return result;
}
void CP0_SR_write(UINT32 val)
{
__asm
(
"mtc0 %[val], $12\n"
: /* no output */
: [val] "r" (val)
);
}
UINT32 CP0_CR_read(void)
{
UINT32 result;
__asm
(
"mfc0 %[val], $13\n"
: [val] "=r" (result)
);
return result;
}
void CP0_CR_write(UINT32 val)
{
__asm
(
"mtc0 %[val], $13\n"
:
: [val] "r" (val)
);
}
UINT32 CP0_PRID_read(void)
{
UINT32 result;
__asm
(
"mfc0 %[val], $15\n"
: [val] "=r" (result)
);
return result;
}
// ---------------------------------------------------------------------------------
char readchar(void)
{
volatile UINT32 *pUART_stat = (UINT32*)sys_uart_stat;
volatile UINT32 *pUART_data = (UINT32*)sys_uart_data;
while(!(0x10 & *pUART_stat));
return (char)*pUART_data;
}
void writechar(char c)
{
volatile UINT32 *pUART_stat = (UINT32*)sys_uart_stat;
volatile UINT32 *pUART_data = (UINT32*)sys_uart_data;
while((0x02 & *pUART_stat) != 0);
*pUART_data = (UINT32)c;
}
void _putchar(char c)
{
if (c == 0x0A)
{
writechar(0x0D);
}
writechar(c);
}
int sputs(char *pStr)
{
char *start;
start = pStr;
while(*pStr)
_putchar(*(pStr++));
return pStr - start;
}
void print_byte(char byte)
{
int i;
unsigned char c, nibble;
for (i=0; i < 2; i++)
{
nibble = (char)((byte >> 4) & 0xF);
byte <<= 4;
if (nibble < 10)
c = nibble + '0';
else
c = nibble + 'A' - 10;
_putchar(c);
}
}
void print_word(int word)
{
int i;
unsigned char c, nibble;
for (i=0; i < 4; i++)
{
c = (char) (word >> 24);
print_byte(c);
word <<= 8;
}
}
@@ -0,0 +1,50 @@
#ifndef LIBSYS_H
#define LIBSYS_H
// ---------------------------------------------------------
// Types
// ---------------------------------------------------------
#define INT8 char
#define INT16 short
#define INT32 long
#define UINT8 unsigned char
#define UINT16 unsigned short
#define UINT32 unsigned long
#define INT int
#define UINT unsigned int
#define FLOAT32 float
#define FLOAT64 double
#define sys_gpio0 0xA0000000
#define sys_gpio1 0xA0000004
#define sys_led_port sys_gpio0
#define sys_usb_ctrl sys_gpio1
#define sys_timer_usec 0xA0000008
#define sys_timer_sec 0xA000000C
#define sys_uart_data 0xA0010000
#define sys_uart_stat 0xA0010004
#define sys_uart_baud 0xA0010008
#define sys_usb_data 0xA0020000
#define sys_usb_mbx 0xA0020004
#define sys_usb_addr 0xA0020008
#define sys_usb_status 0xA002000C
#define sys_flash_io 0xA4000000
// MIPS specific
UINT32 CP0_SR_read(void);
void CP0_SR_write(UINT32 val);
UINT32 CP0_CR_read(void);
void CP0_CR_write(UINT32 val);
UINT32 CP0_PRID_read(void);
// General
char readchar(void);
void writechar(char c);
int write(int file, char *ptr, int len);
int sputs(char *pStr);
void print_byte(char byte);
void print_word(int word);
#endif // LIBSYS_H
@@ -1,4 +1,4 @@
.file "startup.s"
.file "startup.S"
.section .stext,"ax"
.extern _init
@@ -8,7 +8,7 @@ _start:
.set noreorder
# Set Kernel mode
li $26, 0x1040040C
li $26, 0x1040000C
mtc0 $26, $12
li $26, 0x00000000
mtc0 $26, $13
@@ -20,8 +20,6 @@ _start:
# jump init
la $26, _init
jr $26
# set user mode
rfe
nop
.set reorder
+27 -189
View File
@@ -24,8 +24,6 @@ void cfi_init(flash_t *pObj, UINT32 base_addr)
{
int i;
UINT8 *pInfo;
UINT32 endian;
UINT8 *pEndian;
pObj->pBase = (void*)base_addr;
@@ -34,14 +32,6 @@ void cfi_init(flash_t *pObj, UINT32 base_addr)
{
pInfo[i] = 0;
}
pObj->eb = 0;
endian = 0x12345678;
pEndian = (UINT8*)&endian;
if (*pEndian == 0x12)
{
pObj->eb = 1;
}
}
UINT32 cfi_find(flash_t *pObj)
@@ -49,7 +39,7 @@ UINT32 cfi_find(flash_t *pObj)
int i;
volatile UINT32 *pF;
volatile UINT16 *pF16;
// UINT8 qry_ref[12] = {0x51, 0x00, 0x51, 0x00, 0x52, 0x00, 0x52, 0x00, 0x59, 0x00, 0x59, 0x00};
UINT8 qry_ref[12] = {0x51, 0x00, 0x51, 0x00, 0x52, 0x00, 0x52, 0x00, 0x59, 0x00, 0x59, 0x00};
UINT32 size;
pF = (UINT32*)pObj->pBase;
@@ -57,9 +47,9 @@ UINT32 cfi_find(flash_t *pObj)
// Look for flash
*pF = 0x00980098;
// for (i=0; i < sizeof(qry_ref); i++)
// if (((UINT8*)(&pF[0x10]))[i] != qry_ref[i])
// return (UINT32)-1;
for (i=0; i < sizeof(qry_ref); i++)
if (((UINT8*)(&pF[0x10]))[i] != qry_ref[i])
return (UINT32)-1;
*pF = 0x00FF00FF;
*pF = 0x00900090;
@@ -91,7 +81,7 @@ UINT32 cfi_find(flash_t *pObj)
for (i=0; i < size; i++)
pObj->info.wbuf_size *= 2;
pObj->info.nblocks = (UINT32)(pF16[2*0x2E] << 8 | pF16[2*0x2D]) + 1;
pObj->info.nblocks = pObj->info.num_flash * ((UINT32)(pF16[2*0x2E] << 8 | pF16[2*0x2D]) + 1);
pObj->info.blocksize = pObj->info.num_flash * ((UINT32)(pF16[2*0x30] << 8 | pF16[2*0x2F]) * 256);
*pF = 0x00FF00FF;
@@ -99,38 +89,15 @@ UINT32 cfi_find(flash_t *pObj)
return 0;
}
UINT32 cfi_block_is_locked(flash_t *pObj, UINT32 word_index)
{
volatile UINT32 *pF;
UINT32 status, block_index, block_mask;
UINT32 error;
pF = (UINT32*)pObj->pBase;
if (word_index >= (pObj->info.flashsize/4))
return CFI_ERR_INVPARAM;
block_mask = ((pObj->info.nblocks-1) << 16);
block_index = word_index & block_mask;
*pF = 0x00900090;
error = ((UINT32)pF[block_index+2] & 0x00010001) != 0;
*pF = 0x00FF00FF;
return error;
}
UINT32 cfi_block_erase(flash_t *pObj, UINT32 word_index)
{
volatile UINT32 *pF;
UINT32 status, block_index, block_mask;
UINT32 error;
pF = (UINT32*)pObj->pBase;
if (word_index >= (pObj->info.flashsize/4))
return CFI_ERR_INVPARAM;
return -1;
block_mask = ((pObj->info.nblocks-1) << 16);
block_index = word_index & block_mask;
@@ -138,119 +105,39 @@ UINT32 cfi_block_erase(flash_t *pObj, UINT32 word_index)
pF[block_index] = 0x00200020;
pF[block_index] = 0x00D000D0;
error = 0;
do
{
status = pF[block_index];
} while((status & SR_BIT_ISMS) != SR_BIT_ISMS);
if (status & (SR_BIT_ECLBS | SR_BIT_VPENS | SR_BIT_DPS))
{
error = CFI_ERR_DEV_FAIL | status;
}
pF[block_index] = 0x00FF00FF;
return error;
}
UINT32 cfi_block_lock(flash_t *pObj, UINT32 word_index)
{
volatile UINT32 *pF;
UINT32 status, block_index, block_mask;
UINT32 error;
pF = (UINT32*)pObj->pBase;
if (word_index >= (pObj->info.flashsize/4))
return CFI_ERR_INVPARAM;
block_mask = ((pObj->info.nblocks-1) << 16);
block_index = word_index & block_mask;
pF[block_index] = 0x00600060;
pF[block_index] = 0x00010001;
error = 0;
do
{
status = pF[block_index];
} while((status & SR_BIT_ISMS) != SR_BIT_ISMS);
if (status & (SR_BIT_PSLBS | SR_BIT_VPENS | SR_BIT_ECLBS))
{
error = CFI_ERR_DEV_FAIL | status;
}
pF[block_index] = 0x00FF00FF;
return error;
}
UINT32 cfi_block_unlock(flash_t *pObj, UINT32 word_index)
{
volatile UINT32 *pF;
UINT32 status, block_index, block_mask;
UINT32 error;
pF = (UINT32*)pObj->pBase;
if (word_index >= (pObj->info.flashsize/4))
return CFI_ERR_INVPARAM;
block_mask = ((pObj->info.nblocks-1) << 16);
block_index = word_index & block_mask;
pF[block_index] = 0x00600060;
pF[block_index] = 0x00D000D0;
error = 0;
do
{
status = pF[block_index];
} while((status & SR_BIT_ISMS) != SR_BIT_ISMS);
if (status & (SR_BIT_PSLBS | SR_BIT_VPENS | SR_BIT_ECLBS))
{
error = CFI_ERR_DEV_FAIL | status;
}
pF[block_index] = 0x00FF00FF;
return error;
return 0;
}
UINT32 cfi_program_single(flash_t *pObj, UINT32 word_index, UINT32 word)
{
volatile UINT32 *pF;
UINT32 status, error;
UINT32 status;
pF = (UINT32*)pObj->pBase;
if (word_index >= (pObj->info.flashsize/4))
return CFI_ERR_INVPARAM;
return -1;
pF[word_index] = 0x00400040;
pF[word_index] = word;
error = 0;
do
{
status = pF[word_index];
} while((status & SR_BIT_ISMS) != SR_BIT_ISMS);
if (status & (SR_BIT_PSLBS | SR_BIT_VPENS | SR_BIT_DPS))
{
error = CFI_ERR_DEV_FAIL | status;
}
pF[word_index] = 0x00FF00FF;
return error;
return 0;
}
@@ -259,12 +146,11 @@ UINT32 cfi_program_multi(flash_t *pObj, UINT32 word_index, UINT32 *pWords, UINT3
int i, j, k;
volatile UINT32 *pF;
UINT32 status, bcurr, bnext, block_mask, nblock_write, nbuf_write;
UINT32 error;
pF = (UINT32*)pObj->pBase;
if (word_index >= (pObj->info.flashsize/4))
return CFI_ERR_INVPARAM;
return -1;
block_mask = ((pObj->info.nblocks-1) << 16);
@@ -278,25 +164,28 @@ UINT32 cfi_program_multi(flash_t *pObj, UINT32 word_index, UINT32 *pWords, UINT3
if (nblock_write > num_words)
nblock_write = num_words;
// printf("bcurr : %8.8X\n", bcurr);
// printf("bnext : %8.8X\n", bnext);
// printf("windex : %8.8X\n", word_index);
// printf("num_words : %d\n", num_words);
// printf("nblock_write : %d\n", nblock_write);
while(nblock_write)
{
error = 0;
pF[bcurr] = 0x00E800E8;
do
{
status = pF[bcurr];
// printf("status : %8.8X\n", status);
} while((status & SR_BIT_ISMS) != SR_BIT_ISMS);
if (status & (SR_BIT_PSLBS | SR_BIT_VPENS | SR_BIT_DPS))
{
error = CFI_ERR_DEV_FAIL | status;
break;
}
nbuf_write = nblock_write;
if (nblock_write > pObj->info.wbuf_size/4)
nbuf_write = pObj->info.wbuf_size/4;
// printf("nbuf_write : %d\n", nbuf_write);
pF[bcurr] = (nbuf_write-1) << 16 | (nbuf_write-1);
for (j=0; j < nbuf_write; j++)
@@ -306,31 +195,20 @@ UINT32 cfi_program_multi(flash_t *pObj, UINT32 word_index, UINT32 *pWords, UINT3
nblock_write -= j;
num_words -= j;
error = 0;
pF[bcurr] = 0x00D000D0;
do
{
status = pF[bcurr];
// printf("status : %8.8X\n", status);
} while((status & SR_BIT_ISMS) != SR_BIT_ISMS);
if (status & (SR_BIT_PSLBS | SR_BIT_VPENS | SR_BIT_DPS))
{
error = CFI_ERR_DEV_FAIL | status;
break;
}
pF[bcurr] = 0x00FF00FF;
}
if (IS_ERROR(error))
{
pF[bcurr] = 0x00FF00FF;
break;
}
bcurr = bnext;
}
return error;
return 0;
}
@@ -343,35 +221,20 @@ UINT32 flash_find(flash_t *pObj, UINT32 base_addr)
UINT32 flash_erase(flash_t *pObj, UINT32 offset, UINT32 size)
{
int i;
UINT32 offset_end, error;
if (size % 4)
size = 4*(size/4 + 1);
UINT32 offset_end;
offset_end = offset + size;
for (i=offset; i < offset_end; i += pObj->info.blocksize)
{
if (cfi_block_is_locked(pObj, i/4))
{
error = cfi_block_unlock(pObj, i/4);
if (IS_ERROR(error))
break;
}
error = cfi_block_erase(pObj, i/4);
if (IS_ERROR(error))
break;
}
if (cfi_block_erase(pObj, i/4) < 0)
return -1;
return error;
return 0;
}
UINT32 flash_program(flash_t *pObj, UINT32 offset, UINT8 *pData, UINT32 size)
{
if (size % 4)
size = 4*(size/4 + 1);
return cfi_program_multi(pObj, offset/4, (UINT32*)pData, size/4);
}
@@ -384,32 +247,7 @@ UINT32 flash_verify(flash_t *pObj, UINT32 offset, UINT8 *pData, UINT32 size)
for (i=0; i < size; i++)
if (pF[i] != pData[i])
return CFI_ERR_VFY_FAIL;
return -1;
return 0;
}
UINT32 flash_get_blocknum_by_offset(flash_t *pObj, UINT32 offset)
{
UINT32 blocknum;
blocknum = offset/pObj->info.blocksize;
if (offset%pObj->info.blocksize)
blocknum++;
return blocknum;
}
UINT32 flash_get_offset_by_blocknum(flash_t *pObj, UINT32 blocknum)
{
if (blocknum >= pObj->info.nblocks)
blocknum = pObj->info.nblocks - 1;
return blocknum*pObj->info.blocksize;
}
UINT32 flash_get_offset_blockaligned(flash_t *pObj, UINT32 offset)
{
return flash_get_blocknum_by_offset(pObj, offset) * pObj->info.blocksize;
}
+7 -21
View File
@@ -4,20 +4,13 @@
#include "libsys.h"
#define SR_BIT_DPS 0x00020002
#define SR_BIT_PSS 0x00040004
#define SR_BIT_VPENS 0x00080008
#define SR_BIT_PSLBS 0x00100010
#define SR_BIT_ECLBS 0x00200020
#define SR_BIT_ESS 0x00400040
#define SR_BIT_ISMS 0x00800080
#define CFI_ERR_BASE (LSYS_ERR_BASE + 0x00100000)
#define CFI_ERR_GENERAL (CFI_ERR_BASE + 0)
#define CFI_ERR_NOTFOUND (CFI_ERR_BASE + 1)
#define CFI_ERR_INVPARAM (CFI_ERR_BASE + 2)
#define CFI_ERR_VFY_FAIL (CFI_ERR_BASE + 3)
#define CFI_ERR_DEV_FAIL (CFI_ERR_BASE + 0x10000000)
#define SR_BIT_DPS 0x00020002
#define SR_BIT_PSS 0x00040004
#define SR_BIT_VPENS 0x00080008
#define SR_BIT_PSLBS 0x00100010
#define SR_BIT_ECLBS 0x00200020
#define SR_BIT_ESS 0x00400040
#define SR_BIT_ISMS 0x00800080
typedef struct _sflash_info_t
{
@@ -33,23 +26,16 @@ typedef struct _sflash_info_t
typedef struct _sflash_t
{
void *pBase;
UINT32 eb;
flash_info_t info;
} flash_t;
void cfi_init(flash_t *pObj, UINT32 base_addr);
UINT32 cfi_find(flash_t *pObj);
UINT32 cfi_block_is_locked(flash_t *pObj, UINT32 word_index);
UINT32 cfi_block_erase(flash_t *pObj, UINT32 word_index);
UINT32 cfi_block_lock(flash_t *pObj, UINT32 word_index);
UINT32 cfi_block_unlock(flash_t *pObj, UINT32 word_index);
UINT32 cfi_program_single(flash_t *pObj, UINT32 word_index, UINT32 word);
UINT32 cfi_program_multi(flash_t *pObj, UINT32 word_index, UINT32 *pWords, UINT32 num_words);
UINT32 flash_get_offset_by_blocknum(flash_t *pObj, UINT32 blocknum);
UINT32 flash_get_blocknum_by_offset(flash_t *pObj, UINT32 offset);
UINT32 flash_get_offset_blockaligned(flash_t *pObj, UINT32 offset);
UINT32 flash_find(flash_t *pObj, UINT32 base_addr);
UINT32 flash_erase(flash_t *pObj, UINT32 offset, UINT32 size);
UINT32 flash_program(flash_t *pObj, UINT32 offset, UINT8 *pData, UINT32 size);
-54
View File
@@ -1,54 +0,0 @@
#include <stdio.h>
unsigned long MakeCRC32(char *data, unsigned int len, unsigned int CRC)
{
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by makecrc.c)
*/
unsigned long crc_32_tab[] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L,
0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L,
0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L,
0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L,
0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L,
0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL,
0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL,
0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L,
0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L,
0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L,
0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL,
0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L,
0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL,
0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L,
0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L,
0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L,
0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL,
0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L,
0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL,
0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL,
0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L,
0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L,
0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L,
0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL,
0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL,
0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL
};
if (data == NULL)
return 0;
CRC = ~CRC;
while (len --)
{
CRC = crc_32_tab[((unsigned char) CRC ^ *data) & 0xFF] ^ (CRC >> 8);
data ++;
}
return ~CRC;
}
-13
View File
@@ -1,13 +0,0 @@
// CRC32 function
// To create a CRC from a new buffer, use this:
// crc = MakeCRC32(mydata, data_len, 0);
// If you need to continue the CRC (e.g. your data is in multiple buffers),
// continue like this:
// crc = MakeCRC32(moredata, more_len, crc);
//
// Your desired CRC should be the complement of the CRC generated by
// MakeCRC32:
// desired = crc
// desired - crc = 0
unsigned long MakeCRC32(char *data, unsigned int len, unsigned long CRC);
-64
View File
@@ -1,64 +0,0 @@
/* +++Date last modified: 05-Jul-1997 */
/*
** CUBIC.C - Solve a cubic polynomial
** public domain by Ross Cottrell
*/
#include <math.h>
#include <stdlib.h>
#include "snipmath.h"
void SolveCubic(double a,
double b,
double c,
double d,
int *solutions,
double *x)
{
long double a1 = b/a, a2 = c/a, a3 = d/a;
long double Q = (a1*a1 - 3.0*a2)/9.0;
long double R = (2.0*a1*a1*a1 - 9.0*a1*a2 + 27.0*a3)/54.0;
double R2_Q3 = R*R - Q*Q*Q;
double theta;
if (R2_Q3 <= 0)
{
*solutions = 3;
theta = acos(R/sqrt(Q*Q*Q));
x[0] = -2.0*sqrt(Q)*cos(theta/3.0) - a1/3.0;
x[1] = -2.0*sqrt(Q)*cos((theta+2.0*PI)/3.0) - a1/3.0;
x[2] = -2.0*sqrt(Q)*cos((theta+4.0*PI)/3.0) - a1/3.0;
}
else
{
*solutions = 1;
x[0] = pow(sqrt(R2_Q3)+fabs(R), 1/3.0);
x[0] += Q/x[0];
x[0] *= (R < 0.0) ? 1 : -1;
x[0] -= a1/3.0;
}
}
#ifdef TEST
int main(void)
{
double a1 = 1.0, b1 = -10.5, c1 = 32.0, d1 = -30.0;
double a2 = 1.0, b2 = -4.5, c2 = 17.0, d2 = -30.0;
double x[3];
int solutions;
SolveCubic(a1, b1, c1, d1, &solutions, x);
/* should get 3 solutions: 2, 6 & 2.5 */
SolveCubic(a2, b2, c2, d2, &solutions, x);
/* should get 1 solution: 2.5 */
return 0;
}
#endif /* TEST */
-375
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@@ -1,375 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "irq.h"
#include "libsys.h"
#include "mips_dis.h"
#define MAX_USER_BP 16
#define BP_MASK_ID 0x00FFF
#define BP_MASK_TYPE 0xFF000
#define BP_GET_ID(bp) ((bp >> 6) & 0xFFF)
#define BP_USER_BASE 0x10000
#define BP_USER(id) (((BP_USER_BASE + id) << 6) | 0x0D)
#define BP_MGMT_BASE_SS 0x20000
#define BP_MGMT_SS(id) (((BP_MGMT_BASE_SS + id) << 6) | 0x0D)
#define BP_MGMT_BASE_RU 0x30000
#define BP_MGMT_RU(id) (((BP_MGMT_BASE_RU + id) << 6) | 0x0D)
static char g_buf[80];
typedef struct _sbp_t
{
UINT32 *pAddr;
UINT32 instr;
} bp_t;
static EXCEPTION_CONTEXT xcp_last;
static bp_t user_bp[MAX_USER_BP];
static bp_t mgmt_bp_ss[2];
static bp_t mgmt_bp_ru[2];
static int g_is_ss;
static int g_bp_index;
int IsBreak(UINT32 instr)
{
return ((instr & 0xFC00003F) == 0x0000000D);
}
UINT32 BreakGetType(UINT32 instr)
{
return (instr >> 6) & BP_MASK_TYPE;
}
char* reg_changed(UINT32 reg1, UINT32 reg2)
{
static char chg_str[2] = {0};
if (reg1 != reg2)
chg_str[0] = '*';
else
chg_str[0] = ' ';
return chg_str;
}
void dbg_handler(struct xcptcontext * xcp)
{
UINT32 bp_addr, bp_index = 0, branch_addr, reg, result, bp_type;
int junk, i, leave_isr, is_branch_shadow, is_user_bp;
UINT32 volatile *pBtn = (UINT32*)SYS_GPIO0;
UINT32 *pInstr, *pAddr_curr, *pAddr_prev, *pAddr_next;
sputs("\n");
PRINT_REG_CHG(" Status : ", xcp->sr, reg_changed(xcp->sr, xcp_last.sr));
PRINT_REG_CHG(" Cause : ", xcp->cr, reg_changed(xcp->cr, xcp_last.cr));
PRINT_REG_CHG(" EPC : ", xcp->epc, reg_changed(xcp->epc, xcp_last.epc));
PRINT_REG_CHG("BadAddr : ", xcp->baddr, reg_changed(xcp->baddr, xcp_last.baddr));
sputs("\n");
PRINT_REG_CHG(" MDLO : ", xcp->mdlo, reg_changed(xcp->mdlo, xcp_last.mdlo));
PRINT_REG_CHG(" MDHI : ", xcp->mdhi, reg_changed(xcp->mdhi, xcp_last.mdhi));
sputs("\n");
sputs("Registers:\n");
PRINT_REG_CHG(" 0 (ze) : ", xcp->regs[0], reg_changed(xcp->regs[0], xcp_last.regs[0]));
PRINT_REG_CHG(" 1 (at) : ", xcp->regs[1], reg_changed(xcp->regs[1], xcp_last.regs[1]));
PRINT_REG_CHG(" 2 (v0) : ", xcp->regs[2], reg_changed(xcp->regs[2], xcp_last.regs[2]));
PRINT_REG_CHG(" 3 (v1) : ", xcp->regs[3], reg_changed(xcp->regs[3], xcp_last.regs[3]));
sputs("\n");
PRINT_REG_CHG(" 4 (a0) : ", xcp->regs[4], reg_changed(xcp->regs[4], xcp_last.regs[4]));
PRINT_REG_CHG(" 5 (a1) : ", xcp->regs[5], reg_changed(xcp->regs[5], xcp_last.regs[5]));
PRINT_REG_CHG(" 6 (a2) : ", xcp->regs[6], reg_changed(xcp->regs[6], xcp_last.regs[6]));
PRINT_REG_CHG(" 7 (a3) : ", xcp->regs[7], reg_changed(xcp->regs[7], xcp_last.regs[7]));
sputs("\n");
PRINT_REG_CHG(" 8 (t0) : ", xcp->regs[8], reg_changed(xcp->regs[8], xcp_last.regs[8]));
PRINT_REG_CHG(" 9 (t1) : ", xcp->regs[9], reg_changed(xcp->regs[9], xcp_last.regs[9]));
PRINT_REG_CHG("10 (t2) : ", xcp->regs[10], reg_changed(xcp->regs[10], xcp_last.regs[10]));
PRINT_REG_CHG("11 (t3) : ", xcp->regs[11], reg_changed(xcp->regs[11], xcp_last.regs[11]));
sputs("\n");
PRINT_REG_CHG("12 (t4) : ", xcp->regs[12], reg_changed(xcp->regs[12], xcp_last.regs[12]));
PRINT_REG_CHG("13 (t5) : ", xcp->regs[13], reg_changed(xcp->regs[13], xcp_last.regs[13]));
PRINT_REG_CHG("14 (t6) : ", xcp->regs[14], reg_changed(xcp->regs[14], xcp_last.regs[14]));
PRINT_REG_CHG("15 (t7) : ", xcp->regs[15], reg_changed(xcp->regs[15], xcp_last.regs[15]));
sputs("\n");
PRINT_REG_CHG("16 (s0) : ", xcp->regs[16], reg_changed(xcp->regs[16], xcp_last.regs[16]));
PRINT_REG_CHG("17 (s1) : ", xcp->regs[17], reg_changed(xcp->regs[17], xcp_last.regs[17]));
PRINT_REG_CHG("18 (s2) : ", xcp->regs[18], reg_changed(xcp->regs[18], xcp_last.regs[18]));
PRINT_REG_CHG("19 (s3) : ", xcp->regs[19], reg_changed(xcp->regs[19], xcp_last.regs[19]));
sputs("\n");
PRINT_REG_CHG("20 (s4) : ", xcp->regs[20], reg_changed(xcp->regs[20], xcp_last.regs[20]));
PRINT_REG_CHG("21 (s5) : ", xcp->regs[21], reg_changed(xcp->regs[21], xcp_last.regs[21]));
PRINT_REG_CHG("22 (s6) : ", xcp->regs[22], reg_changed(xcp->regs[22], xcp_last.regs[22]));
PRINT_REG_CHG("23 (s7) : ", xcp->regs[23], reg_changed(xcp->regs[23], xcp_last.regs[23]));
sputs("\n");
PRINT_REG_CHG("24 (s8) : ", xcp->regs[24], reg_changed(xcp->regs[24], xcp_last.regs[24]));
PRINT_REG_CHG("25 (s9) : ", xcp->regs[25], reg_changed(xcp->regs[25], xcp_last.regs[25]));
PRINT_REG_CHG("26 (k0) : ", xcp->regs[26], reg_changed(xcp->regs[26], xcp_last.regs[26]));
PRINT_REG_CHG("27 (k1) : ", xcp->regs[27], reg_changed(xcp->regs[27], xcp_last.regs[27]));
sputs("\n");
PRINT_REG_CHG("28 (gp) : ", xcp->regs[28], reg_changed(xcp->regs[28], xcp_last.regs[28]));
PRINT_REG_CHG("29 (sp) : ", xcp->regs[29], reg_changed(xcp->regs[29], xcp_last.regs[29]));
PRINT_REG_CHG("30 (fp) : ", xcp->regs[30], reg_changed(xcp->regs[30], xcp_last.regs[30]));
PRINT_REG_CHG("31 (ra) : ", xcp->regs[31], reg_changed(xcp->regs[31], xcp_last.regs[31]));
sputs("\n");
sputs("\n");
memcpy(&xcp_last, xcp, sizeof(EXCEPTION_CONTEXT));
is_user_bp = 0;
pAddr_curr = (UINT32*)xcp->epc;
is_branch_shadow = ((xcp->cr & 0x80000000) == 0x80000000);
if (is_branch_shadow)
pAddr_curr++;
pAddr_prev = pAddr_curr - 1;
pAddr_next = pAddr_curr + 1;
if (IsBreak(*pAddr_curr))
{
bp_type = BreakGetType(*pAddr_curr);
switch (bp_type)
{
case BP_MGMT_BASE_SS:
// Restore original instructions after single-step
// sputs("1. Restore after single-step at ");print_word((long)mgmt_bp_ss[0].pAddr);sputs("\n");
*(mgmt_bp_ss[0].pAddr) = mgmt_bp_ss[0].instr;
ICACHE_invalidate_at(mgmt_bp_ss[0].pAddr);
if (mgmt_bp_ss[1].pAddr)
{
// sputs("2. Restore after single-step at ");print_word((long)mgmt_bp_ss[1].pAddr);sputs("\n");
*(mgmt_bp_ss[1].pAddr) = mgmt_bp_ss[1].instr;
ICACHE_invalidate_at(mgmt_bp_ss[1].pAddr);
}
break;
case BP_MGMT_BASE_RU:
bp_index = BP_GET_ID(*pAddr_curr);
// sputs("Restore user break at ");print_word((long)user_bp[bp_index].pAddr);sputs("\n");
*(user_bp[bp_index].pAddr) = BP_USER(bp_index);
ICACHE_invalidate_at(user_bp[bp_index].pAddr);
*(mgmt_bp_ru[0].pAddr) = mgmt_bp_ru[0].instr;
ICACHE_invalidate_at(mgmt_bp_ru[0].pAddr);
// sputs("1. Restore after RU at ");print_word((long)mgmt_bp_ru[0].pAddr);sputs("\n");
if (mgmt_bp_ru[1].pAddr)
{
*(mgmt_bp_ru[1].pAddr) = mgmt_bp_ru[1].instr;
ICACHE_invalidate_at(mgmt_bp_ru[1].pAddr);
// sputs("2. Restore after RU at ");print_word((long)mgmt_bp_ru[1].pAddr);sputs("\n");
}
if (!g_is_ss)
return;
break;
case BP_USER_BASE:
is_user_bp = 1;
bp_index = BP_GET_ID(*pAddr_curr);
// sputs("Restore instruction at ");print_word((long)user_bp[bp_index].pAddr);sputs("\n");
*(user_bp[bp_index].pAddr) = user_bp[bp_index].instr;
ICACHE_invalidate_at(user_bp[bp_index].pAddr);
break;
default:
// sputs("Found ordinary break at ");print_word((long)pAddr_curr);sputs("\n");
break;
}
}
pInstr = pAddr_prev;
// Disassemble instructions
for (i=0; i < 3; i++)
{
print_word((long)pInstr);
if (IsBreak(*pInstr) && (BreakGetType(*pInstr) == BP_USER_BASE))
{
tdisasm(g_buf, (long)user_bp[BP_GET_ID(*pInstr)].pAddr, user_bp[BP_GET_ID(*pInstr)].instr, 0, &junk, &junk, &junk);
sputs(": b ");
}
else
{
tdisasm(g_buf, (long)pInstr, *pInstr, 0, &junk, &junk, &junk);
if (pInstr == pAddr_curr)
if (is_user_bp == 1)
sputs(": b-> ");
else
sputs(": -> ");
else
sputs(": ");
}
sputs(g_buf);
sputs("\n");
pInstr++;
}
if (is_user_bp)
{
// Save original instruction
mgmt_bp_ru[0].pAddr = pAddr_next;
mgmt_bp_ru[0].instr = *(mgmt_bp_ru[0].pAddr);
// Replace instruction with managment breakpoint
*(mgmt_bp_ru[0].pAddr) = BP_MGMT_RU(bp_index);
ICACHE_invalidate_at(mgmt_bp_ru[0].pAddr);
mgmt_bp_ru[1].pAddr = NULL;
mgmt_bp_ru[1].pAddr = 0;
// sputs("1. Insert RU-break at ");print_word((long)mgmt_bp_ru[0].pAddr);sputs("\n");
// We have two possible management breaks, if previous instruction was branch or jump
if (is_branch_shadow)
{
result = tdisasm(g_buf, (long)pAddr_prev, *pAddr_prev, 0, &junk, &branch_addr, &reg);
// Is jump target stored in register
if (result == 3)
{
branch_addr = xcp->regs[reg&0x1F];
}
// Save original instruction
mgmt_bp_ru[1].pAddr = (UINT32*)branch_addr;
mgmt_bp_ru[1].instr = *(mgmt_bp_ru[1].pAddr);
// Replace instruction with managment breakpoint
*(mgmt_bp_ru[1].pAddr) = BP_MGMT_RU(bp_index);
ICACHE_invalidate_at(mgmt_bp_ru[1].pAddr);
// sputs("2. Insert RU-break at ");print_word((long)mgmt_bp_ru[1].pAddr);sputs("\n");
}
}
do
{
leave_isr = 0;
switch(_getchar())
{
case 'g':
leave_isr = 1;
g_is_ss = 0;
if (IsBreak(*pAddr_curr))
{
if (BreakGetType(*pAddr_curr) != BP_USER_BASE)
{
xcp->epc += 4; // Skip ordinary program breaks
}
}
break;
case 'b':
printf("Enter breakpoint: ");
scanf("%x", &bp_addr);
printf("Insert breakpoint at %.8X\n", bp_addr);
user_bp[g_bp_index].pAddr = (UINT32*)bp_addr;
user_bp[g_bp_index].instr = *(user_bp[g_bp_index].pAddr);
*(user_bp[g_bp_index].pAddr) = BP_USER(g_bp_index);
tdisasm(g_buf, (long)user_bp[g_bp_index].pAddr, user_bp[g_bp_index].instr, 0, &junk, &junk, &junk);
print_word((long)user_bp[g_bp_index].pAddr);sputs(": b ");sputs(g_buf);sputs("\n");
ICACHE_invalidate_at(user_bp[g_bp_index].pAddr);
g_bp_index++;
break;
case 's':
g_is_ss = 1;
leave_isr = 1;
// Don't overwrite RU breaks
// printf("is_user_bp = %d, IsBreak = %d, pAddr_curr = %08X, *pAddr_curr = %08X\n", is_user_bp, IsBreak(*pAddr_curr), pAddr_curr, *pAddr_curr);
if (is_user_bp)
break;
// Don't overwrite user breaks
if (IsBreak(*pAddr_curr))
{
if (BreakGetType(*pAddr_curr) == BP_USER_BASE)
{
break;
}
else
{
xcp->epc += 4; // Skip ordinary program breaks
}
}
// Save original instruction
mgmt_bp_ss[0].pAddr = pAddr_next;
mgmt_bp_ss[0].instr = *(mgmt_bp_ss[0].pAddr);
// Replace instruction with managment breakpoint
*(mgmt_bp_ss[0].pAddr) = BP_MGMT_SS(1);
ICACHE_invalidate_at(mgmt_bp_ss[0].pAddr);
mgmt_bp_ss[1].pAddr = NULL;
mgmt_bp_ss[1].pAddr = 0;
// We have two possible management breaks, if previous instruction was branch or jump
if (is_branch_shadow)
{
result = tdisasm(g_buf, (long)pAddr_prev, *pAddr_prev, 0, &junk, &branch_addr, &reg);
// Is jump target stored in register
if (result == 3)
{
branch_addr = xcp->regs[reg&0x1F];
}
// Save original instruction
mgmt_bp_ss[1].pAddr = (UINT32*)branch_addr;
mgmt_bp_ss[1].instr = *(mgmt_bp_ss[1].pAddr);
// Replace instruction with managment breakpoint
*(mgmt_bp_ss[1].pAddr) = BP_MGMT_SS(2);
ICACHE_invalidate_at(mgmt_bp_ss[1].pAddr);
}
break;
case 'P':
g_is_ss = 1;
leave_isr = 1;
// Don't overwrite RU breaks
if (is_user_bp)
break;
// Don't overwrite user breaks
if (IsBreak(*pAddr_curr) && (BreakGetType(*pAddr_curr) == BP_USER_BASE))
break;
// Save original instruction
mgmt_bp_ss[0].pAddr = (UINT32*)xcp->regs[0x1F];
mgmt_bp_ss[0].instr = *(mgmt_bp_ss[0].pAddr);
// Replace instruction with managment breakpoint
*(mgmt_bp_ss[0].pAddr) = BP_MGMT_SS(1);
ICACHE_invalidate_at(mgmt_bp_ss[0].pAddr);
mgmt_bp_ss[1].pAddr = NULL;
mgmt_bp_ss[1].pAddr = 0;
break;
default:
break;
}
} while (!leave_isr);
}
void debug_int(struct xcptcontext * xcp)
{
dbg_handler(xcp);
}
int debug_break(struct xcptcontext * xcp)
{
dbg_handler(xcp);
return 0;
}
void dbg_init(void)
{
memset(&xcp_last, 0, sizeof(EXCEPTION_CONTEXT));
interrupt_register(2, debug_int);
interrupt_enable(2);
xcpt_register(Bp, debug_break);
}
-15
View File
@@ -1,15 +0,0 @@
// MIPS delay.
void __inline__ delay(int loops)
{
__asm
(
".set noreorder\n"
"1:bnez %[loops], 1b\n"
"addiu %[loops], -1\n"
".set reorder\n"
:
: [loops] "r" (loops)
);
}
-67
View File
@@ -1,67 +0,0 @@
/*
* Byte-oriented AES-256 implementation.
* All lookup tables replaced with 'on the fly' calculations.
*
* Copyright (c) 2007 Ilya O. Levin, http://www.literatecode.com
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <sys/times.h>
#include <sys/time.h>
#include "aes256.h"
#define DUMP(s, i, buf, sz) {printf(s); \
for (i = 0; i < (sz);i++) \
printf("%02x ", buf[i]); \
printf("\n");}
int main (int argc, char *argv[])
{
aes256_context ctx;
uint8_t key[32];
uint8_t buf[16], i;
long start, end, j;
/* put a test vector */
for (i = 0; i < sizeof(buf);i++) buf[i] = i * 16 + i;
for (i = 0; i < sizeof(key);i++) key[i] = i;
DUMP("txt: ", i, buf, sizeof(buf));
DUMP("key: ", i, key, sizeof(key));
printf("---\n");
aes256_init(&ctx, key);
start = clock();
for (j=0; j < 1000; j++)
{
aes256_encrypt_ecb(&ctx, buf);
}
end = clock();
printf("Speed %f blocks/s\n", (float)j/((float)(end-start)/CLOCKS_PER_SEC));
DUMP("enc: ", i, buf, sizeof(buf));
printf("tst: 8e a2 b7 ca 51 67 45 bf ea fc 49 90 4b 49 60 89\n");
aes256_init(&ctx, key);
aes256_decrypt_ecb(&ctx, buf);
DUMP("dec: ", i, buf, sizeof(buf));
aes256_done(&ctx);
return 0;
} /* main */
-198
View File
@@ -1,198 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
#include <time.h>
#define CPU_FREQ_HZ 100000000
#include "libsys.h"
#include "crc32.h"
#include "inflate.h"
char buffer[1024*1024];
char * volatile pPtr_r;
char * volatile pPtr_w;
volatile int timeout_cnt;
volatile int file_len;
void handler3(void)
{
volatile UINT32 *pUART_stat = (UINT32*)SYS_UART0_STAT;
volatile UINT32 *pUART_data = (UINT32*)SYS_UART0_DATA;
while(0x200 & *pUART_stat)
{
// sputs("w: "); print_word((int)pPtr_w); sputs("\n");
if (pPtr_w == &buffer[sizeof(buffer)-1])
pPtr_w = buffer;
*(pPtr_w++) = *pUART_data;
timeout_cnt = 100;
file_len++;
}
}
int READBYTE(z_stream *zs) {
if (zs->avail_in <= 0)
return -1;
zs->avail_in --;
return *(zs->next_in ++);
}
#define MAX_BUFOUT 16*1024*1024
int main(int argc, char **argv)
{
volatile UINT32 *pUART_stat = (UINT32*)SYS_UART0_STAT;
unsigned char outData[MAX_BUFOUT];
FILE *infp;
int i, gpflags, tmp[4];
unsigned long size, crc;
unsigned char *fileData;
unsigned long bytes, InflatedSize, InflatedCRC, speed_count;
z_stream zs;
time_t start_time, work_time;
UART0_setbaud(460800);
printf("Reading gzipped stream..\n");
pPtr_r = buffer;
pPtr_w = buffer;
*pUART_stat = (1 << 6);
interrupt_register(3, handler3);
interrupt_enable(3);
file_len = 0;
timeout_cnt = 1000000;
while(timeout_cnt--)
{
sleep(1);
}
printf("file_len: %d\n", file_len);
bytes = file_len;
fileData = pPtr_r;
zs.next_in = fileData;
zs.avail_in = (unsigned int) bytes;
zs.next_out = outData;
zs.avail_out = MAX_BUFOUT;
tmp[0] = READBYTE(&zs);
if (tmp[0] == -1)
{
// error reading from file
printf("error reading data from file\n");
return 0;
}
tmp[1] = READBYTE(&zs);
if (tmp[0] != 0x1f || tmp[1] != 0x8b) {
// fprintf(stderr, "Magic number mismatch 0x%02x%02x\n",
// tmp[0], tmp[1]);
return 20;
}
tmp[0] = READBYTE(&zs);
if(tmp[0] != 8) {
// fprintf(stderr, "Unknown compression method: 0x%02x\n", tmp[0]);
return 20;
}
gpflags = READBYTE(&zs);
if ((gpflags & ~0x1f)) {
printf("Unknown flags set!\n");
}
/* Skip file modification time (4 bytes) */
READBYTE(&zs);
READBYTE(&zs);
READBYTE(&zs);
READBYTE(&zs);
/* Skip extra flags and operating system fields (2 bytes) */
READBYTE(&zs);
READBYTE(&zs);
if ((gpflags & 4)) {
/* Skip extra field */
tmp[0] = READBYTE(&zs);
tmp[1] = READBYTE(&zs);
i = tmp[0] + 256*tmp[1];
while (i--)
{
READBYTE(&zs);
}
}
if((gpflags & 8)) {
while((READBYTE(&zs))) {
}
}
if((gpflags & 16)) {
while((READBYTE(&zs))) {
}
}
if((gpflags & 2)) {
/* Skip CRC16 */
READBYTE(&zs);
READBYTE(&zs);
}
printf("Go\n");
// normal test
start_time = clock();
if (InflateData(&zs))
{
printf("Problem during decompression!\n");
return 0;
}
work_time = clock() - start_time;
/*
// speed test
fprintf(stdout, "SPEED TEST!\n");
speed_count = 0;
while (time(NULL) - start_time < 20)
{
zs_speed.next_in = zs.next_in;
zs_speed.next_out = zs.next_out;
zs_speed.avail_in = zs.avail_in;
zs_speed.avail_out = zs.avail_out;
if (InflateData(&zs_speed))
{
fprintf(stdout, "Problem during decompression!\n");
return 0;
}
speed_count ++;
}
fprintf(stdout, "speed count %ld\n", speed_count);
zs.next_in = zs_speed.next_in;
zs.next_out = zs_speed.next_out;
zs.avail_in = zs_speed.avail_in;
zs.avail_out = zs_speed.avail_out;
*/
crc = READBYTE(&zs);
crc |= (READBYTE(&zs)<<8);
crc |= (READBYTE(&zs)<<16);
crc |= (READBYTE(&zs)<<24);
size = READBYTE(&zs);
size |= (READBYTE(&zs)<<8);
size |= (READBYTE(&zs)<<16);
size |= (READBYTE(&zs)<<24);
InflatedSize = MAX_BUFOUT - zs.avail_out;
InflatedCRC = MakeCRC32(outData, InflatedSize, 0);
// write(1, outData, InflatedSize);
fprintf(stdout, "CRC: %08lx %08lx %s\n", crc, InflatedCRC, (crc != InflatedCRC)?"**error**":"");
fprintf(stdout, "Size: %08lx %08lx %s\n", size, InflatedSize, (size != InflatedSize)?"**error**":"");
fprintf(stdout, "Time for decompression was %.2f seconds\n", (float)work_time/1000);
fprintf(stdout, "Throughput is %d kByte/s\n", InflatedSize/work_time);
return 0;
}

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