| /SPARTAN/trunk/arch/ia32/src/boot/boot.S |
|---|
| 40,9 → 40,13 |
| # |
| kernel_image_start: |
| cli |
| call memmap_arch_init |
| xorw %ax,%ax |
| movw %ax,%ds |
| movw %ax,%ss # initialize stack segment register |
| movl $0x7c00,%esp # initialize stack pointer |
| call memmap_arch_init |
| lgdt gdtr |
| movl %cr0,%eax |
| orl $0x1,%eax |
| 57,7 → 61,6 |
| movw %ax,%fs |
| movw %ax,%ds # kernel data + stack |
| movw %ax,%ss |
| movl $0x7c00,%esp |
| lidt idtr |