Subversion Repositories HelenOS-historic

Compare Revisions

Ignore whitespace Rev 45 → Rev 50

/SPARTAN/trunk/arch/mips/boot/boot.s
33,11 → 33,11
.set nomacro
 
start:
# move 0x80000000 to reg $8
lui $8, 0x8000
# move 0x80000000 to reg $8
lui $8, 0x8000
# prepare stack
lui $29, 0x8100
# prepare stack
lui $29, 0x8100
j $8
nop
j $8
nop
/SPARTAN/trunk/arch/mips/src/asm.s
29,15 → 29,15
.text
 
.macro cp0_read reg
mfc0 $2,\reg
j $31
nop
mfc0 $2,\reg
j $31
nop
.endm
 
.macro cp0_write reg
mtc0 $4,\reg
j $31
nop
mtc0 $4,\reg
j $31
nop
.endm
 
.set noat
/SPARTAN/trunk/arch/mips/src/fake.s
38,5 → 38,5
userspace:
calibrate_delay_loop:
asm_delay_loop:
j $31
nop
j $31
nop
/SPARTAN/trunk/arch/mips/src/start.S
44,48 → 44,48
.org 0x0
kernel_image_start:
tlb_refill_entry:
j tlb_refill_handler
nop
j tlb_refill_handler
nop
 
.org 0x100
cache_error_entry:
j cache_error_handler
nop
j cache_error_handler
nop
.org 0x180
exception_entry:
exception_handler:
sub $29, STACK_SPACE
REGISTERS_STORE $29
sub $29, STACK_SPACE
REGISTERS_STORE $29
jal exception
nop
jal exception
nop
REGISTERS_LOAD $29
add $29, STACK_SPACE
REGISTERS_LOAD $29
add $29, STACK_SPACE
 
eret
eret
 
tlb_refill_handler:
sub $29, STACK_SPACE
REGISTERS_STORE $29
sub $29, STACK_SPACE
REGISTERS_STORE $29
jal tlb_refill
nop
jal tlb_refill
nop
REGISTERS_LOAD $29
add $29, STACK_SPACE
REGISTERS_LOAD $29
add $29, STACK_SPACE
eret
eret
 
cache_error_handler:
sub $29, STACK_SPACE
REGISTERS_STORE $29
sub $29, STACK_SPACE
REGISTERS_STORE $29
 
jal cache_error
nop
jal cache_error
nop
REGISTERS_LOAD $29
add $29, STACK_SPACE
REGISTERS_LOAD $29
add $29, STACK_SPACE
 
eret
eret