| /* |
| * 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(); |
| } |