155 lines
5.6 KiB
Tcl
155 lines
5.6 KiB
Tcl
# ----------------------------------------------------------------------
|
|
# 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
|