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Commit | Line | Data |
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700efc1b EB |
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> | |
c967da6a | 10 | #include <linux/mm.h> |
72d7c3b3 | 11 | #include <linux/memblock.h> |
700efc1b | 12 | |
a4c81cf6 YL |
13 | #include <asm/setup.h> |
14 | #include <asm/sections.h> | |
15 | #include <asm/e820.h> | |
816c25e7 | 16 | #include <asm/page.h> |
de934103 TG |
17 | #include <asm/apic.h> |
18 | #include <asm/io_apic.h> | |
47a3d5da | 19 | #include <asm/bios_ebda.h> |
b40827fa | 20 | #include <asm/tlbflush.h> |
5dcd14ec | 21 | #include <asm/bootparam_utils.h> |
47a3d5da TG |
22 | |
23 | static void __init i386_default_early_setup(void) | |
24 | { | |
421f91d2 | 25 | /* Initialize 32bit specific setup functions */ |
47a3d5da TG |
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 | } | |
a4c81cf6 | 31 | |
2605fc21 | 32 | asmlinkage __visible void __init i386_start_kernel(void) |
700efc1b | 33 | { |
1e02ce4c | 34 | cr4_init_shadow(); |
5dcd14ec PA |
35 | sanitize_boot_params(&boot_params); |
36 | ||
47a3d5da TG |
37 | /* Call the subarch specific early setup function */ |
38 | switch (boot_params.hdr.hardware_subarch) { | |
712b6aa8 KS |
39 | case X86_SUBARCH_INTEL_MID: |
40 | x86_intel_mid_early_setup(); | |
3f4110a4 | 41 | break; |
c751e17b TG |
42 | case X86_SUBARCH_CE4100: |
43 | x86_ce4100_early_setup(); | |
44 | break; | |
47a3d5da TG |
45 | default: |
46 | i386_default_early_setup(); | |
47 | break; | |
48 | } | |
a4c81cf6 | 49 | |
700efc1b EB |
50 | start_kernel(); |
51 | } |