| 1,5 → 1,6 |
|---|
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # Copyright (C) 2005-2006 Martin Decky |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| 30,11 → 31,16 |
|---|
| # Init code for application processors. |
| # |
| |
| .section K_TEXT_START_2, "ax" |
| #include <arch/boot/boot.h> |
| #include <arch/boot/memmap.h> |
| #include <arch/mm/page.h> |
| #include <arch/pm.h> |
| |
| .section K_TEXT_START, "ax" |
| |
| #ifdef CONFIG_SMP |
| |
| .global ap_boot |
| .global unmapped_ap_boot |
| |
| KTEXT=8 |
| KDATA=16 |
| 44,18 → 50,18 |
|---|
| # requirements. |
| |
| .align 4096 |
| ap_boot: |
| unmapped_ap_boot: |
| .code16 |
| cli |
| xorw %ax, %ax |
| movw %ax, %ds |
| |
| lgdt real_bootstrap_gdtr_boot # initialize Global Descriptor Table register |
| lgdt ap_gdtr # initialize Global Descriptor Table register |
| |
| movl %cr0, %eax |
| orl $1, %eax |
| movl %eax, %cr0 # switch to protected mode |
| jmpl $KTEXT, $jump_to_kernel |
| jmpl $KTEXT, $jump_to_kernel - BOOT_OFFSET + AP_BOOT_OFFSET |
| |
| jump_to_kernel: |
| .code32 |
| 63,7 → 69,7 |
|---|
| movw %ax, %ds |
| movw %ax, %es |
| movw %ax, %ss |
| movl $(ctx-0x80000000), %eax # KA2PA((__address) &ctx) |
| movl $KA2PA(ctx), %eax # KA2PA((__address) &ctx) |
| movl (%eax), %esp |
| subl $0x80000000, %esp # KA2PA(ctx.sp) |
| |
| 74,3 → 80,16 |
|---|
| jmpl $KTEXT, $main_ap |
| |
| #endif /* CONFIG_SMP */ |
| |
| |
| .section K_DATA_START, "ax" |
| |
| #ifdef CONFIG_SMP |
| |
| .global unmapped_ap_gdtr |
| |
| unmapped_ap_gdtr: |
| .word 0 |
| .long 0 |
| |
| #endif /* CONFIG_SMP */ |