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. |
# |
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.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> |
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.section K_TEXT_START, "ax" |
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#ifdef CONFIG_SMP |
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.global ap_boot |
.global unmapped_ap_boot |
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KTEXT=8 |
KDATA=16 |
44,18 → 50,18 |
# requirements. |
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.align 4096 |
ap_boot: |
unmapped_ap_boot: |
.code16 |
cli |
xorw %ax, %ax |
movw %ax, %ds |
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lgdt real_bootstrap_gdtr_boot # initialize Global Descriptor Table register |
lgdt ap_gdtr # initialize Global Descriptor Table register |
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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 |
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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) |
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74,3 → 80,16 |
jmpl $KTEXT, $main_ap |
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#endif /* CONFIG_SMP */ |
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.section K_DATA_START, "ax" |
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#ifdef CONFIG_SMP |
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.global unmapped_ap_gdtr |
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unmapped_ap_gdtr: |
.word 0 |
.long 0 |
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#endif /* CONFIG_SMP */ |