| 34,18 → 34,21 |
|---|
| .global kernel_image_start |
| kernel_image_start: |
| |
| # load temporary stack |
| # load temporal kernel stack |
| |
| lis sp, end_stack@ha |
| addi sp, sp, end_stack@l |
| lis sp, kernel_stack@ha |
| addi sp, sp, kernel_stack@l |
| |
| # set kernel stack for interrupt handling |
| |
| mr r31, sp |
| subis r31, r31, 0x8000 |
| mtsprg0 r31 |
| |
| # r3 contains physical address of bootinfo_t |
| # r4 contains size of bootinfo_t |
| |
| lis r31, 0x80000000@ha |
| addi r31, r31, 0x80000000@l |
| |
| add r3, r3, r31 |
| addis r3, r3, 0x8000 |
| |
| lis r31, bootinfo@ha |
| addi r31, r31, bootinfo@l # r31 = bootinfo |
| 72,5 → 75,7 |
|---|
| |
| .section K_DATA_START, "aw", @progbits |
| |
| .align 12 |
| kernel_stack_bottom: |
| .space TEMP_STACK_SIZE |
| end_stack: |
| kernel_stack: |