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1/*
2 * linux/arch/i386/kernel/head32.c -- prepare to run common code
3 *
4 * Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
5 * Copyright (C) 2007 Eric Biederman <ebiederm@xmission.com>
6 */
7
8#include <linux/init.h>
9#include <linux/start_kernel.h>
10#include <linux/mm.h>
11#include <linux/memblock.h>
12
13#include <asm/setup.h>
14#include <asm/sections.h>
15#include <asm/e820.h>
16#include <asm/page.h>
17#include <asm/apic.h>
18#include <asm/io_apic.h>
19#include <asm/bios_ebda.h>
20#include <asm/tlbflush.h>
21#include <asm/bootparam_utils.h>
22
23static void __init i386_default_early_setup(void)
24{
25 /* Initialize 32bit specific setup functions */
26 x86_init.resources.reserve_resources = i386_reserve_resources;
27 x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
28
29 reserve_ebda_region();
30}
31
32asmlinkage __visible void __init i386_start_kernel(void)
33{
34 sanitize_boot_params(&boot_params);
35
36 /* Call the subarch specific early setup function */
37 switch (boot_params.hdr.hardware_subarch) {
38 case X86_SUBARCH_INTEL_MID:
39 x86_intel_mid_early_setup();
40 break;
41 case X86_SUBARCH_CE4100:
42 x86_ce4100_early_setup();
43 break;
44 default:
45 i386_default_early_setup();
46 break;
47 }
48
49 start_kernel();
50}
1/*
2 * linux/arch/i386/kernel/head32.c -- prepare to run common code
3 *
4 * Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
5 * Copyright (C) 2007 Eric Biederman <ebiederm@xmission.com>
6 */
7
8#include <linux/init.h>
9#include <linux/start_kernel.h>
10#include <linux/mm.h>
11#include <linux/memblock.h>
12
13#include <asm/setup.h>
14#include <asm/sections.h>
15#include <asm/e820.h>
16#include <asm/page.h>
17#include <asm/apic.h>
18#include <asm/io_apic.h>
19#include <asm/bios_ebda.h>
20#include <asm/tlbflush.h>
21#include <asm/bootparam_utils.h>
22
23static void __init i386_default_early_setup(void)
24{
25 /* Initialize 32bit specific setup functions */
26 x86_init.resources.reserve_resources = i386_reserve_resources;
27 x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
28}
29
30asmlinkage __visible void __init i386_start_kernel(void)
31{
32 cr4_init_shadow();
33 sanitize_boot_params(&boot_params);
34
35 x86_early_init_platform_quirks();
36
37 /* Call the subarch specific early setup function */
38 switch (boot_params.hdr.hardware_subarch) {
39 case X86_SUBARCH_INTEL_MID:
40 x86_intel_mid_early_setup();
41 break;
42 case X86_SUBARCH_CE4100:
43 x86_ce4100_early_setup();
44 break;
45 default:
46 i386_default_early_setup();
47 break;
48 }
49
50 start_kernel();
51}