a752c7ab
 elopes
add first test an...
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/* 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.
*/
/**
* @defgroup boards_x86-multiboot i586 multiboot common
* @ingroup boards
* @brief Common files for multiboot enabled kernels
*
* @ingroup x86-multiboot
* @{
* @file
* @brief Architecture specific definitions for multiboot enabled kernels
*/
#ifndef MULTIBOOT_H
#define MULTIBOOT_H
#ifdef __cplusplus
extern "C" {
#endif
/** How many bytes from the start of the file we search for the header. */
#define MULTIBOOT_SEARCH 8192
/** The flags for the Multiboot header. */
#define MULTIBOOT_HEADER_FLAGS 0x00010003
/** 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
typedef unsigned short multiboot_uint16_t;
typedef unsigned int multiboot_uint32_t;
typedef unsigned long long multiboot_uint64_t;
typedef struct multiboot_header {
/** 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;
} multiboot_header_t;
/** The symbol table for a.out. */
struct multiboot_aout_symbol_table {
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. */
struct multiboot_elf_section_header_table {
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 {
/** 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 {
multiboot_aout_symbol_table_t aout_sym;
multiboot_elf_section_header_table_t elf_sec;
} u;
/** 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 {
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 {
/** 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 */
#ifdef __cplusplus
}
#endif
#endif /* MULTIBOOT_H */
/** @} */
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