| /boot/trunk/arch/ppc32/loader/asm.S |
|---|
| 108,12 → 108,13 |
| jump_to_kernel: |
| # r3 = memmap (pa) |
| # r4 = trans (pa) |
| # r5 = kernel size |
| # r6 = real_mode (pa) |
| # r3 = bootinfo (pa) |
| # r4 = bootinfo_size |
| # r5 = trans (pa) |
| # r6 = kernel size |
| # r7 = real_mode (pa) |
| mtspr srr0, r6 |
| mtspr srr0, r7 |
| # jumps to real_mode |
| 132,8 → 133,8 |
| # copy kernel to proper location |
| # |
| # r4 = trans (pa) |
| # r5 = kernel size |
| # r5 = trans (pa) |
| # r6 = kernel size |
| li r31, PAGE_SIZE >> 2 |
| li r30, 0 |
| 140,13 → 141,13 |
| page_copy: |
| cmpwi r5, 0 |
| cmpwi r6, 0 |
| beq copy_end |
| # copy page |
| mtctr r31 |
| lwz r29, 0(r4) |
| lwz r29, 0(r5) |
| copy_loop: |
| 155,14 → 156,14 |
| addi r29, r29, 4 |
| addi r30, r30, 4 |
| subi r5, r5, 4 |
| subi r6, r6, 4 |
| cmpwi r5, 0 |
| cmpwi r6, 0 |
| beq copy_end |
| bdnz copy_loop |
| addi r4, r4, 4 |
| addi r5, r5, 4 |
| b page_copy |
| copy_end: |
| 238,7 → 239,7 |
| # start the kernel |
| # |
| # r3 = memmap (pa) |
| # r3 = bootinfo (pa) |
| lis r31, KERNEL_START_ADDR@ha |
| addi r31, r31, KERNEL_START_ADDR@l |