| /boot/trunk/arch/ppc32/loader/asm.S |
|---|
| 139,7 → 139,8 |
| .global real_mode |
| real_mode: |
| DEBUG_INIT |
| DEBUG_real_mode |
| # copy kernel to proper location |
| 162,6 → 163,9 |
| mtctr r31 |
| lwz r29, 0(r5) |
| DEBUG_INIT |
| DEBUG_copy_loop |
| copy_loop: |
| lwz r28, 0(r29) |
| 175,6 → 179,8 |
| beq copy_end |
| bdnz copy_loop |
| DEBUG_end_copy_loop |
| addi r5, r5, 4 |
| b page_copy |
| 181,6 → 187,8 |
| copy_end: |
| DEBUG_segments |
| # initially fill segment registers |
| li r31, 16 |
| 198,6 → 206,8 |
| # invalidate block address translation registers |
| DEBUG_bat |
| li r30, 0 |
| mtspr ibat0u, r30 |
| 226,6 → 236,8 |
| # create identity mapping |
| DEBUG_mapping |
| # FIXME: map exactly the size of RAM |
| lis r31, 0x8000 |
| 240,9 → 252,13 |
| mtspr dbat0u, r31 |
| mtspr dbat0l, r30 |
| DEBUG_tlb |
| tlbia |
| tlbsync |
| DEBUG_prepare |
| # start the kernel |
| # |
| # r3 = bootinfo (pa) |