| /branches/dd/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 |