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git-svn-id: http://moon:8086/svn/vhdl/trunk@765 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
2010-03-11 11:31:51 +00:00
parent 4f388d5c10
commit e6f39ee6b5
49 changed files with 0 additions and 15453 deletions
@@ -1,46 +0,0 @@
.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
li $27, 0xC0000000
srl $26, 2
andi $26, 0x000F
or $26, $27
la $27, sys_led_port
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