2 * linux/arch/i386/kernel/head32.c -- prepare to run common code
4 * Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
5 * Copyright (C) 2007 Eric Biederman <ebiederm@xmission.com>
8 #include <linux/init.h>
9 #include <linux/start_kernel.h>
11 #include <asm/setup.h>
12 #include <asm/sections.h>
14 #include <asm/bios_ebda.h>
15 #include <asm/trampoline.h>
17 void __init i386_start_kernel(void)
19 reserve_trampoline_memory();
21 reserve_early(__pa_symbol(&_text), __pa_symbol(&_end), "TEXT DATA BSS");
23 #ifdef CONFIG_BLK_DEV_INITRD
25 if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
26 u64 ramdisk_image = boot_params.hdr.ramdisk_image;
27 u64 ramdisk_size = boot_params.hdr.ramdisk_size;
28 u64 ramdisk_end = ramdisk_image + ramdisk_size;
29 reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
32 reserve_early(init_pg_tables_start, init_pg_tables_end,
35 reserve_ebda_region();
38 * At this point everything still needed from the boot loader
39 * or BIOS or kernel text should be early reserved or marked not
40 * RAM in e820. All other memory is free game.