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	cr4_init_shadow();
35	sanitize_boot_params(&boot_params);
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}
52