| 27,7 → 27,7 |
|---|
| # |
| |
| #include <arch/asm/regname.h> |
| #include <arch/asm/spr.h> |
| #include <arch/mm/page.h> |
| |
| .section K_UNMAPPED_TEXT_START, "ax" |
| |
| 84,8 → 84,76 |
|---|
| .org 0x900 |
| .global exc_decrementer |
| exc_decrementer: |
| mtspr sprg1, sp |
| |
| subis sp, sp, 0x8000 |
| |
| subi sp, sp, 144 |
| stw r0, 0(sp) |
| stw r2, 4(sp) |
| stw r3, 8(sp) |
| stw r4, 12(sp) |
| stw r5, 16(sp) |
| stw r6, 20(sp) |
| stw r7, 24(sp) |
| stw r8, 28(sp) |
| stw r9, 32(sp) |
| stw r10, 36(sp) |
| stw r11, 40(sp) |
| stw r12, 44(sp) |
| stw r13, 48(sp) |
| stw r14, 52(sp) |
| stw r15, 56(sp) |
| stw r16, 60(sp) |
| stw r17, 64(sp) |
| stw r18, 68(sp) |
| stw r19, 72(sp) |
| stw r20, 76(sp) |
| stw r21, 80(sp) |
| stw r22, 84(sp) |
| stw r23, 88(sp) |
| stw r24, 92(sp) |
| stw r25, 96(sp) |
| stw r26, 100(sp) |
| stw r27, 104(sp) |
| stw r28, 108(sp) |
| stw r29, 112(sp) |
| stw r30, 116(sp) |
| stw r31, 120(sp) |
| |
| mfspr r3, srr0 |
| stw r3, 124(sp) |
| |
| mfspr r3, srr1 |
| stw r3, 128(sp) |
| |
| mflr r3 |
| stw r3, 132(sp) |
| |
| mfcr r3 |
| stw r3, 136(sp) |
| |
| mfctr r3 |
| stw r3, 140(sp) |
| |
| mfxer r3 |
| stw r3, 144(sp) |
| |
| lis r3, exc_dispatch@ha |
| addi r3, r3, exc_dispatch@l |
| mtspr srr0, r3 |
| |
| mfmsr r3 |
| ori r3, r3, (msr_ir | msr_dr)@l |
| mtspr srr1, r3 |
| |
| lis r3, iret@ha |
| addi r3, r3, iret@l |
| mtlr r3 |
| |
| addis sp, sp, 0x8000 |
| li r3, 10 |
| rfi |
| b exc_decrementer |
| |
| .org 0xa00 |
| .global exc_reserved0 |