| 28,7 → 28,6 |
|---|
| |
| #include <arch/asm/regname.h> |
| #include <arch/boot/boot.h> |
| #include <arch/boot/memmap.h> |
| |
| .section K_TEXT_START, "ax" |
| |
| 40,8 → 39,8 |
|---|
| lis sp, end_stack@ha |
| addi sp, sp, end_stack@l |
| |
| # r10 contains physical address to memmap_t |
| # from boot loader |
| # r3 contains physical address of bootinfo_t |
| # r4 contains size of bootinfo_t |
| |
| lis r31, 0x80000000@ha |
| addi r31, r31, 0x80000000@l |
| 48,30 → 47,26 |
|---|
| |
| add r3, r3, r31 |
| |
| lis r31, memmap@ha |
| addi r31, r31, memmap@l # r31 = memmap |
| lis r31, bootinfo@ha |
| addi r31, r31, bootinfo@l # r31 = bootinfo |
| |
| lwz r30, 0(r3) # memmap->total |
| stw r30, 0(r31) |
| cmpwi r4, 0 |
| beq bootinfo_end |
| |
| lwzu r30, 4(r3) # memmap->count |
| stwu r30, 4(r31) |
| |
| cmpwi r30, 0 |
| beq memmap_end |
| |
| mtctr r30 |
| memmap_loop: |
| |
| lwzu r30, 4(r3) # memmap->zones[i].start |
| stwu r30, 4(r31) |
| bootinfo_loop: |
| |
| lwzu r30, 4(r3) # memmap->zones[i].size |
| stwu r30, 4(r31) |
| lwz r30, 0(r3) |
| stw r30, 0(r31) |
| |
| addi r3, r3, 4 |
| addi r31, r31, 4 |
| subi r4, r4, 4 |
| |
| cmpwi r4, 0 |
| bgt bootinfo_loop |
| |
| bootinfo_end: |
| |
| bdnz memmap_loop |
| memmap_end: |
| |
| b main_bsp |
| |
| .section K_DATA_START, "aw", @progbits |