/branches/network/kernel/arch/ppc32/src/exception.S |
---|
60,7 → 60,7 |
2: |
subi sp, sp, 160 |
subi sp, sp, 164 |
stw r0, 8(sp) |
stw r2, 12(sp) |
stw r3, 16(sp) |
109,11 → 109,14 |
mfxer r12 |
stw r12, 148(sp) |
mfsprg1 r12 |
mfdar r12 |
stw r12, 152(sp) |
mfsprg1 r12 |
stw r12, 156(sp) |
mfsprg2 r12 |
stw r12, 156(sp) |
stw r12, 160(sp) |
.endm |
.org 0x100 |
137,16 → 140,7 |
exc_data_storage: |
CONTEXT_STORE |
li r3, 2 |
mr r4, sp |
addi r4, r4, 8 |
bl pht_real_refill |
cmpwi r3, 0 |
bne iret_real |
li r3, 2 |
b jump_to_kernel |
b data_storage |
.org 0x400 |
.global exc_instruction_storage |
153,17 → 147,8 |
exc_instruction_storage: |
CONTEXT_STORE |
li r3, 3 |
mr r4, sp |
addi r4, r4, 8 |
bl pht_real_refill |
cmpwi r3, 0 |
bne iret_real |
b instruction_storage |
li r3, 3 |
b jump_to_kernel |
.org 0x500 |
.global exc_external |
exc_external: |
223,7 → 208,7 |
.org 0xc00 |
.global exc_syscall |
exc_syscall: |
CONTEXT_STORE |
CONTEXT_STORE |
b jump_to_kernel_syscall |
235,7 → 220,63 |
li r3, 12 |
b jump_to_kernel |
.org 0x1000 |
.global exc_itlb_miss |
exc_itlb_miss: |
CONTEXT_STORE |
b tlb_miss |
.org 0x1100 |
.global exc_dtlb_miss_load |
exc_dtlb_miss_load: |
CONTEXT_STORE |
b tlb_miss |
.org 0x1200 |
.global exc_dtlb_miss_store |
exc_dtlb_miss_store: |
CONTEXT_STORE |
b tlb_miss |
.org 0x4000 |
data_storage: |
li r3, 2 |
mr r4, sp |
addi r4, r4, 8 |
bl pht_refill_real |
cmpwi r3, 0 |
bne iret_real |
li r3, 2 |
b jump_to_kernel |
instruction_storage: |
li r3, 3 |
mr r4, sp |
addi r4, r4, 8 |
bl pht_refill_real |
cmpwi r3, 0 |
bne iret_real |
li r3, 3 |
b jump_to_kernel |
tlb_miss: |
li r3, 16 |
mfspr r4, tlbmiss |
mfspr r5, ptehi |
mfspr r6, ptelo |
mr r7, sp |
addi r7, r7, 20 |
bl tlb_refill_real |
b iret_real |
jump_to_kernel: |
lis r12, iret@ha |
addi r12, r12, iret@l |
272,7 → 313,6 |
rfi |
iret_real: |
lwz r0, 8(sp) |
lwz r2, 12(sp) |
lwz r3, 16(sp) |
322,7 → 362,7 |
lwz r12, 148(sp) |
mtxer r12 |
lwz r12, 152(sp) |
lwz sp, 156(sp) |
lwz r12, 156(sp) |
lwz sp, 160(sp) |
rfi |