| /* |
| * linux/arch/i386/kernel/head32.c -- prepare to run common code |
| * |
| * Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE |
| * Copyright (C) 2007 Eric Biederman <ebiederm@xmission.com> |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/start_kernel.h> |
| #include <linux/mm.h> |
| #include <linux/memblock.h> |
| |
| #include <asm/setup.h> |
| #include <asm/sections.h> |
| #include <asm/e820.h> |
| #include <asm/page.h> |
| #include <asm/apic.h> |
| #include <asm/io_apic.h> |
| #include <asm/bios_ebda.h> |
| #include <asm/tlbflush.h> |
| #include <asm/bootparam_utils.h> |
| |
| static void __init i386_default_early_setup(void) |
| { |
| /* Initialize 32bit specific setup functions */ |
| x86_init.resources.reserve_resources = i386_reserve_resources; |
| x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc; |
| |
| reserve_ebda_region(); |
| } |
| |
| asmlinkage void __init i386_start_kernel(void) |
| { |
| sanitize_boot_params(&boot_params); |
| |
| /* Call the subarch specific early setup function */ |
| switch (boot_params.hdr.hardware_subarch) { |
| case X86_SUBARCH_MRST: |
| x86_mrst_early_setup(); |
| break; |
| case X86_SUBARCH_CE4100: |
| x86_ce4100_early_setup(); |
| break; |
| default: |
| i386_default_early_setup(); |
| break; |
| } |
| |
| start_kernel(); |
| } |