/* Are mods_* valid? */
if (CHECK_FLAG (mbi->flags, 3))
{
- module_t *mod;
+ multiboot_module_t *mod;
int i;
printf ("mods_count = %d, mods_addr = 0x%x\n",
(int) mbi->mods_count, (int) mbi->mods_addr);
- for (i = 0, mod = (module_t *) mbi->mods_addr;
+ for (i = 0, mod = (multiboot_module_t *) mbi->mods_addr;
i < mbi->mods_count;
i++, mod++)
- printf (" mod_start = 0x%x, mod_end = 0x%x, string = %s\n",
+ printf (" mod_start = 0x%x, mod_end = 0x%x, cmdline = %s\n",
(unsigned) mod->mod_start,
(unsigned) mod->mod_end,
- (char *) mod->string);
+ (char *) mod->cmdline);
}
/* Bits 4 and 5 are mutually exclusive! */
/* Is the symbol table of a.out valid? */
if (CHECK_FLAG (mbi->flags, 4))
{
- aout_symbol_table_t *aout_sym = &(mbi->u.aout_sym);
+ multiboot_aout_symbol_table_t *multiboot_aout_sym = &(mbi->u.aout_sym);
- printf ("aout_symbol_table: tabsize = 0x%0x, "
+ printf ("multiboot_aout_symbol_table: tabsize = 0x%0x, "
"strsize = 0x%x, addr = 0x%x\n",
- (unsigned) aout_sym->tabsize,
- (unsigned) aout_sym->strsize,
- (unsigned) aout_sym->addr);
+ (unsigned) multiboot_aout_sym->tabsize,
+ (unsigned) multiboot_aout_sym->strsize,
+ (unsigned) multiboot_aout_sym->addr);
}
/* Is the section header table of ELF valid? */
if (CHECK_FLAG (mbi->flags, 5))
{
- elf_section_header_table_t *elf_sec = &(mbi->u.elf_sec);
+ multiboot_elf_section_header_table_t *multiboot_elf_sec = &(mbi->u.elf_sec);
- printf ("elf_sec: num = %u, size = 0x%x,"
+ printf ("multiboot_elf_sec: num = %u, size = 0x%x,"
" addr = 0x%x, shndx = 0x%x\n",
- (unsigned) elf_sec->num, (unsigned) elf_sec->size,
- (unsigned) elf_sec->addr, (unsigned) elf_sec->shndx);
+ (unsigned) multiboot_elf_sec->num, (unsigned) multiboot_elf_sec->size,
+ (unsigned) multiboot_elf_sec->addr, (unsigned) multiboot_elf_sec->shndx);
}
/* Are mmap_* valid? */
if (CHECK_FLAG (mbi->flags, 6))
{
- memory_map_t *mmap;
+ multiboot_memory_map_t *mmap;
printf ("mmap_addr = 0x%x, mmap_length = 0x%x\n",
(unsigned) mbi->mmap_addr, (unsigned) mbi->mmap_length);
- for (mmap = (memory_map_t *) mbi->mmap_addr;
+ for (mmap = (multiboot_memory_map_t *) mbi->mmap_addr;
(unsigned long) mmap < mbi->mmap_addr + mbi->mmap_length;
- mmap = (memory_map_t *) ((unsigned long) mmap
+ mmap = (multiboot_memory_map_t *) ((unsigned long) mmap
+ mmap->size + sizeof (mmap->size)))
printf (" size = 0x%x, base_addr = 0x%x%x,"
" length = 0x%x%x, type = 0x%x\n",
(unsigned) mmap->size,
- (unsigned) mmap->base_addr_high,
- (unsigned) mmap->base_addr_low,
- (unsigned) mmap->length_high,
- (unsigned) mmap->length_low,
+ mmap->addr >> 32,
+ mmap->addr & 0xffffffff,
+ mmap->len >> 32,
+ mmap->len & 0xffffffff,
(unsigned) mmap->type);
}
}
-/* 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 magic number passed by a Multiboot-compliant boot loader. */
-#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
+/* multiboot.h - Multiboot header file. */
+/* Copyright (C) 1999,2003,2007,2008,2009 Free Software Foundation, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
+ * DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+ * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MULTIBOOT_HEADER
+#define MULTIBOOT_HEADER 1
+
+/* How many bytes from the start of the file we search for the header. */
+#define MULTIBOOT_SEARCH 8192
+
+/* The magic field should contain this. */
+#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
+
+/* This should be in %eax. */
+#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
+
+/* The bits in the required part of flags field we don't support. */
+#define MULTIBOOT_UNSUPPORTED 0x0000fffc
+
+/* Alignment of multiboot modules. */
+#define MULTIBOOT_MOD_ALIGN 0x00001000
+
+/* Alignment of the multiboot info structure. */
+#define MULTIBOOT_INFO_ALIGN 0x00000004
+
+/* Flags set in the 'flags' member of the multiboot header. */
+
+/* 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
+
+/* Flags to be set in the 'flags' member of the multiboot info structure. */
+
+/* is there basic lower/upper memory information? */
+#define MULTIBOOT_INFO_MEMORY 0x00000001
+/* is there a boot device set? */
+#define MULTIBOOT_INFO_BOOTDEV 0x00000002
+/* is the command-line defined? */
+#define MULTIBOOT_INFO_CMDLINE 0x00000004
+/* are there modules to do something with? */
+#define MULTIBOOT_INFO_MODS 0x00000008
+
+/* These next two are mutually exclusive */
+
+/* is there a symbol table loaded? */
+#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
+/* is there an ELF section header table? */
+#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
+
+/* is there a full memory map? */
+#define MULTIBOOT_INFO_MEM_MAP 0x00000040
+
+/* Is there drive info? */
+#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
+
+/* Is there a config table? */
+#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
+
+/* Is there a boot loader name? */
+#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
+
+/* Is there a APM table? */
+#define MULTIBOOT_INFO_APM_TABLE 0x00000400
+
+/* Is there video information? */
+#define MULTIBOOT_INFO_VIDEO_INFO 0x00000800
#ifndef ASM_FILE
-/* Do not include here in boot.S. */
-/* Types. */
+typedef unsigned short multiboot_uint16_t;
+typedef unsigned int multiboot_uint32_t;
+typedef unsigned long long multiboot_uint64_t;
-/* The Multiboot header. */
-typedef struct multiboot_header
+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;
+ /* Must be MULTIBOOT_MAGIC - see above. */
+ multiboot_uint32_t magic;
+
+ /* Feature flags. */
+ multiboot_uint32_t flags;
+
+ /* The above fields plus this one must equal 0 mod 2^32. */
+ multiboot_uint32_t checksum;
+
+ /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
+ multiboot_uint32_t header_addr;
+ multiboot_uint32_t load_addr;
+ multiboot_uint32_t load_end_addr;
+ multiboot_uint32_t bss_end_addr;
+ multiboot_uint32_t entry_addr;
+
+ /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
+ multiboot_uint32_t mode_type;
+ multiboot_uint32_t width;
+ multiboot_uint32_t height;
+ multiboot_uint32_t depth;
+};
/* The symbol table for a.out. */
-typedef struct aout_symbol_table
+struct multiboot_aout_symbol_table
{
- unsigned long tabsize;
- unsigned long strsize;
- unsigned long addr;
- unsigned long reserved;
-} aout_symbol_table_t;
+ multiboot_uint32_t tabsize;
+ multiboot_uint32_t strsize;
+ multiboot_uint32_t addr;
+ multiboot_uint32_t reserved;
+};
+typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
/* The section header table for ELF. */
-typedef struct elf_section_header_table
+struct multiboot_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
+ multiboot_uint32_t num;
+ multiboot_uint32_t size;
+ multiboot_uint32_t addr;
+ multiboot_uint32_t shndx;
+};
+typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
+
+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;
+ /* Multiboot info version number */
+ multiboot_uint32_t flags;
+
+ /* Available memory from BIOS */
+ multiboot_uint32_t mem_lower;
+ multiboot_uint32_t mem_upper;
+
+ /* "root" partition */
+ multiboot_uint32_t boot_device;
+
+ /* Kernel command line */
+ multiboot_uint32_t cmdline;
+
+ /* Boot-Module list */
+ multiboot_uint32_t mods_count;
+ multiboot_uint32_t mods_addr;
+
union
{
- aout_symbol_table_t aout_sym;
- elf_section_header_table_t elf_sec;
+ multiboot_aout_symbol_table_t aout_sym;
+ multiboot_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
+ /* Memory Mapping buffer */
+ multiboot_uint32_t mmap_length;
+ multiboot_uint32_t mmap_addr;
+
+ /* Drive Info buffer */
+ multiboot_uint32_t drives_length;
+ multiboot_uint32_t drives_addr;
+
+ /* ROM configuration table */
+ multiboot_uint32_t config_table;
+
+ /* Boot Loader Name */
+ multiboot_uint32_t boot_loader_name;
+
+ /* APM table */
+ multiboot_uint32_t apm_table;
+
+ /* Video */
+ multiboot_uint32_t vbe_control_info;
+ multiboot_uint32_t vbe_mode_info;
+ multiboot_uint16_t vbe_mode;
+ multiboot_uint16_t vbe_interface_seg;
+ multiboot_uint16_t vbe_interface_off;
+ multiboot_uint16_t vbe_interface_len;
+};
+typedef struct multiboot_info multiboot_info_t;
+
+struct multiboot_mmap_entry
{
- 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
+ multiboot_uint32_t size;
+ multiboot_uint64_t addr;
+ multiboot_uint64_t len;
+#define MULTIBOOT_MEMORY_AVAILABLE 1
+#define MULTIBOOT_MEMORY_RESERVED 2
+ multiboot_uint32_t type;
+} __attribute__((packed));
+typedef struct multiboot_mmap_entry multiboot_memory_map_t;
+
+struct multiboot_mod_list
{
- 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;
+ /* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
+ multiboot_uint32_t mod_start;
+ multiboot_uint32_t mod_end;
+
+ /* Module command line */
+ multiboot_uint32_t cmdline;
+
+ /* padding to take it to 16 bytes (must be zero) */
+ multiboot_uint32_t pad;
+};
+typedef struct multiboot_mod_list multiboot_module_t;
#endif /* ! ASM_FILE */
+
+#endif /* ! MULTIBOOT_HEADER */