linux/arch/x86/kernel/head32.c
Huang, Ying 0c51a965ed x86: extract common part of head32.c and head64.c into head.c
This patch extracts the common part of head32.c and head64.c into head.c.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: andi@firstfloor.org
Cc: mingo@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-06-05 15:10:02 +02:00

42 lines
1.1 KiB
C

/*
* 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 <asm/setup.h>
#include <asm/sections.h>
#include <asm/e820.h>
#include <asm/bios_ebda.h>
void __init i386_start_kernel(void)
{
reserve_early(__pa_symbol(&_text), __pa_symbol(&_end), "TEXT DATA BSS");
#ifdef CONFIG_BLK_DEV_INITRD
/* Reserve INITRD */
if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
u64 ramdisk_image = boot_params.hdr.ramdisk_image;
u64 ramdisk_size = boot_params.hdr.ramdisk_size;
u64 ramdisk_end = ramdisk_image + ramdisk_size;
reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
}
#endif
reserve_early(init_pg_tables_start, init_pg_tables_end,
"INIT_PG_TABLE");
reserve_ebda_region();
/*
* At this point everything still needed from the boot loader
* or BIOS or kernel text should be early reserved or marked not
* RAM in e820. All other memory is free game.
*/
start_kernel();
}