| /SPARTAN/trunk/arch/ia32/src/smp/ap.S |
|---|
| 50,10 → 50,12 |
| xorw %ax,%ax |
| movw %ax,%ds |
| lgdt gdtr |
| lgdt gdtr # initialize Global Descriptor Table register |
| lidt idtr # initialize Interrupt Descriptor Table register |
| movl %cr0,%eax |
| orl $1,%eax |
| movl %eax,%cr0 |
| movl %eax,%cr0 # switch to protected mode |
| jmpl $KTEXT,$jump_to_kernel |
| jump_to_kernel: |
| .code32 |
| 65,10 → 67,8 |
| movl (%eax),%esp |
| subl $0x80000000,%esp # KA2PA(ctx.sp) |
| lidt idtr |
| call map_kernel # map kernel and turn paging on |
| call map_kernel |
| jmpl $KTEXT,$main_ap |
| #endif /* __SMP__ */ |