| /kernel/trunk/arch/ppc32/src/asm.S |
|---|
| 33,6 → 33,7 |
| .global userspace_asm |
| .global iret |
| .global iret_syscall |
| .global invalidate_bat |
| .global memsetb |
| .global memcpy |
| .global memcpy_from_uspace |
| 193,6 → 194,38 |
| rfi |
| invalidate_bat: |
| # invalidate block address translation registers |
| li r14, 0 |
| mtspr ibat0u, r14 |
| mtspr ibat0l, r14 |
| mtspr ibat1u, r14 |
| mtspr ibat1l, r14 |
| mtspr ibat2u, r14 |
| mtspr ibat2l, r14 |
| mtspr ibat3u, r14 |
| mtspr ibat3l, r14 |
| mtspr dbat0u, r14 |
| mtspr dbat0l, r14 |
| mtspr dbat1u, r14 |
| mtspr dbat1l, r14 |
| mtspr dbat2u, r14 |
| mtspr dbat2l, r14 |
| mtspr dbat3u, r14 |
| mtspr dbat3l, r14 |
| blr |
| memsetb: |
| rlwimi r5, r5, 8, 16, 23 |
| rlwimi r5, r5, 16, 0, 15 |