diff options
Diffstat (limited to 'com32/modules/mb_header.h')
| -rw-r--r-- | com32/modules/mb_header.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/com32/modules/mb_header.h b/com32/modules/mb_header.h deleted file mode 100644 index 4215323f..00000000 --- a/com32/modules/mb_header.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * MultiBoot Header description - */ - -struct multiboot_header -{ - /* Must be MULTIBOOT_MAGIC - see below. */ - unsigned magic; - - /* Feature flags - see below. */ - unsigned flags; - - /* - * Checksum - * - * The above fields plus this one must equal 0 mod 2^32. - */ - unsigned checksum; - - /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */ - unsigned header_addr; - unsigned load_addr; - unsigned load_end_addr; - unsigned bss_end_addr; - unsigned entry_addr; - - /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */ - unsigned mode_type; - unsigned width; - unsigned height; - unsigned depth; -}; - -/* - * The entire multiboot_header must be contained - * within the first MULTIBOOT_SEARCH bytes of the kernel image. - */ -#define MULTIBOOT_SEARCH 8192 -#define MULTIBOOT_FOUND(addr, len) \ - (! ((addr) & 0x3) \ - && (len) >= 12 \ - && *((int *) (addr)) == MULTIBOOT_MAGIC \ - && ! (*((unsigned *) (addr)) + *((unsigned *) (addr + 4)) \ - + *((unsigned *) (addr + 8))) \ - && (! (MULTIBOOT_AOUT_KLUDGE & *((int *) (addr + 4))) || (len) >= 32) \ - && (! (MULTIBOOT_VIDEO_MODE & *((int *) (addr + 4))) || (len) >= 48)) - -/* Magic value identifying the multiboot_header. */ -#define MULTIBOOT_MAGIC 0x1BADB002 - -/* - * Features flags for 'flags'. - * If a boot loader sees a flag in MULTIBOOT_MUSTKNOW set - * and it doesn't understand it, it must fail. - */ -#define MULTIBOOT_MUSTKNOW 0x0000FFFF - -/* currently unsupported flags... this is a kind of version number. */ -#define MULTIBOOT_UNSUPPORTED 0x0000FFF8 - -/* Align all boot modules on i386 page (4KB) boundaries. */ -#define MULTIBOOT_PAGE_ALIGN 0x00000001 - -/* Must pass memory information to OS. */ -#define MULTIBOOT_MEMORY_INFO 0x00000002 - -/* Must pass video information to OS. */ -#define MULTIBOOT_VIDEO_MODE 0x00000004 - -/* This flag indicates the use of the address fields in the header. */ -#define MULTIBOOT_AOUT_KLUDGE 0x00010000 |