Downloaded from current grub CVS.

src/arch/i386/include/multiboot.h

@@ -0,0 +1,119 @@
+/* multiboot.h - the header for Multiboot */
+/* Copyright (C) 1999, 2001  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.  */
+
+/* Macros.  */
+
+/* The magic number for the Multiboot header.  */
+#define MULTIBOOT_HEADER_MAGIC		0x1BADB002
+
+/* The flags for the Multiboot header.  */
+#ifdef __ELF__
+# define MULTIBOOT_HEADER_FLAGS		0x00000003
+#else
+# define MULTIBOOT_HEADER_FLAGS		0x00010003
+#endif
+
+/* The magic number passed by a Multiboot-compliant boot loader.  */
+#define MULTIBOOT_BOOTLOADER_MAGIC	0x2BADB002
+
+/* The size of our stack (16KB).  */
+#define STACK_SIZE			0x4000
+
+/* C symbol format. HAVE_ASM_USCORE is defined by configure.  */
+#ifdef HAVE_ASM_USCORE
+# define EXT_C(sym)			_ ## sym
+#else
+# define EXT_C(sym)			sym
+#endif
+
+#ifndef ASM
+/* Do not include here in boot.S.  */
+
+/* Types.  */
+
+/* The Multiboot header.  */
+typedef struct multiboot_header
+{
+  unsigned long magic;
+  unsigned long flags;
+  unsigned long checksum;
+  unsigned long header_addr;
+  unsigned long load_addr;
+  unsigned long load_end_addr;
+  unsigned long bss_end_addr;
+  unsigned long entry_addr;
+} multiboot_header_t;
+
+/* The symbol table for a.out.  */
+typedef struct aout_symbol_table
+{
+  unsigned long tabsize;
+  unsigned long strsize;
+  unsigned long addr;
+  unsigned long reserved;
+} aout_symbol_table_t;
+
+/* The section header table for ELF.  */
+typedef struct elf_section_header_table
+{
+  unsigned long num;
+  unsigned long size;
+  unsigned long addr;
+  unsigned long shndx;
+} elf_section_header_table_t;
+
+/* The Multiboot information.  */
+typedef struct multiboot_info
+{
+  unsigned long flags;
+  unsigned long mem_lower;
+  unsigned long mem_upper;
+  unsigned long boot_device;
+  unsigned long cmdline;
+  unsigned long mods_count;
+  unsigned long mods_addr;
+  union
+  {
+    aout_symbol_table_t aout_sym;
+    elf_section_header_table_t elf_sec;
+  } u;
+  unsigned long mmap_length;
+  unsigned long mmap_addr;
+} multiboot_info_t;
+
+/* The module structure.  */
+typedef struct module
+{
+  unsigned long mod_start;
+  unsigned long mod_end;
+  unsigned long string;
+  unsigned long reserved;
+} module_t;
+
+/* The memory map. Be careful that the offset 0 is base_addr_low
+   but no size.  */
+typedef struct memory_map
+{
+  unsigned long size;
+  unsigned long base_addr_low;
+  unsigned long base_addr_high;
+  unsigned long length_low;
+  unsigned long length_high;
+  unsigned long type;
+} memory_map_t;
+
+#endif /* ! ASM */