diff options
Diffstat (limited to 'src/kernel/multiboot.h')
| -rw-r--r-- | src/kernel/multiboot.h | 471 |
1 files changed, 318 insertions, 153 deletions
diff --git a/src/kernel/multiboot.h b/src/kernel/multiboot.h index 5a98a00..95bde38 100644 --- a/src/kernel/multiboot.h +++ b/src/kernel/multiboot.h @@ -1,216 +1,381 @@ -/* 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. - */ +/* Copyright (C) 1999,2003,2007,2008,2009,2010 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 +/* How many bytes from the start of the file we search for the header. */ +#define MULTIBOOT_SEARCH 32768 +#define MULTIBOOT_HEADER_ALIGN 8 -/* The magic field should contain this. */ -#define MULTIBOOT_HEADER_MAGIC 0x1BADB002 +/* The magic field should contain this. */ +#define MULTIBOOT_HEADER_MAGIC 0xe85250d6 -/* This should be in %eax. */ -#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002 +/* This should be in %eax. */ +#define MULTIBOOT_BOOTLOADER_MAGIC 0x36d76289 -/* The bits in the required part of flags field we don't support. */ -#define MULTIBOOT_UNSUPPORTED 0x0000fffc - -/* Alignment of multiboot modules. */ +/* 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 +/* Alignment of the multiboot info structure. */ +#define MULTIBOOT_INFO_ALIGN 0x00000008 + +/* Flags set in the ’flags’ member of the multiboot header. */ + +#define MULTIBOOT_TAG_ALIGN 8 +#define MULTIBOOT_TAG_TYPE_END 0 +#define MULTIBOOT_TAG_TYPE_CMDLINE 1 +#define MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME 2 +#define MULTIBOOT_TAG_TYPE_MODULE 3 +#define MULTIBOOT_TAG_TYPE_BASIC_MEMINFO 4 +#define MULTIBOOT_TAG_TYPE_BOOTDEV 5 +#define MULTIBOOT_TAG_TYPE_MMAP 6 +#define MULTIBOOT_TAG_TYPE_VBE 7 +#define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8 +#define MULTIBOOT_TAG_TYPE_ELF_SECTIONS 9 +#define MULTIBOOT_TAG_TYPE_APM 10 +#define MULTIBOOT_TAG_TYPE_EFI32 11 +#define MULTIBOOT_TAG_TYPE_EFI64 12 +#define MULTIBOOT_TAG_TYPE_SMBIOS 13 +#define MULTIBOOT_TAG_TYPE_ACPI_OLD 14 +#define MULTIBOOT_TAG_TYPE_ACPI_NEW 15 +#define MULTIBOOT_TAG_TYPE_NETWORK 16 +#define MULTIBOOT_TAG_TYPE_EFI_MMAP 17 +#define MULTIBOOT_TAG_TYPE_EFI_BS 18 +#define MULTIBOOT_TAG_TYPE_EFI32_IH 19 +#define MULTIBOOT_TAG_TYPE_EFI64_IH 20 +#define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR 21 + +#define MULTIBOOT_HEADER_TAG_END 0 +#define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1 +#define MULTIBOOT_HEADER_TAG_ADDRESS 2 +#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3 +#define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4 +#define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5 +#define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6 +#define MULTIBOOT_HEADER_TAG_EFI_BS 7 +#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI32 8 +#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64 9 +#define MULTIBOOT_HEADER_TAG_RELOCATABLE 10 + +#define MULTIBOOT_ARCHITECTURE_I386 0 +#define MULTIBOOT_ARCHITECTURE_MIPS32 4 +#define MULTIBOOT_HEADER_TAG_OPTIONAL 1 + +#define MULTIBOOT_LOAD_PREFERENCE_NONE 0 +#define MULTIBOOT_LOAD_PREFERENCE_LOW 1 +#define MULTIBOOT_LOAD_PREFERENCE_HIGH 2 + +#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1 +#define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2 #ifndef ASM_FILE +typedef unsigned char multiboot_uint8_t; typedef unsigned short multiboot_uint16_t; typedef unsigned int multiboot_uint32_t; typedef unsigned long long multiboot_uint64_t; struct multiboot_header { - /* Must be MULTIBOOT_MAGIC - see above. */ + /* Must be MULTIBOOT_MAGIC - see above. */ multiboot_uint32_t magic; - /* Feature flags. */ - multiboot_uint32_t flags; + /* ISA */ + multiboot_uint32_t architecture; + + /* Total header length. */ + multiboot_uint32_t header_length; - /* The above fields plus this one must equal 0 mod 2^32. */ + /* 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. */ +struct multiboot_header_tag { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; +}; + +struct multiboot_header_tag_information_request { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; + multiboot_uint32_t requests[0]; +}; + +struct multiboot_header_tag_address { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; multiboot_uint32_t header_addr; multiboot_uint32_t load_addr; multiboot_uint32_t load_end_addr; multiboot_uint32_t bss_end_addr; +}; + +struct multiboot_header_tag_entry_address { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; multiboot_uint32_t entry_addr; +}; + +struct multiboot_header_tag_console_flags { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; + multiboot_uint32_t console_flags; +}; - /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */ - multiboot_uint32_t mode_type; +struct multiboot_header_tag_framebuffer { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; multiboot_uint32_t width; multiboot_uint32_t height; multiboot_uint32_t depth; }; -/* 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; +struct multiboot_header_tag_module_align { + multiboot_uint16_t type; + multiboot_uint16_t flags; + multiboot_uint32_t size; }; -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; +struct multiboot_header_tag_relocatable { + multiboot_uint16_t type; + multiboot_uint16_t flags; multiboot_uint32_t size; - multiboot_uint32_t addr; - multiboot_uint32_t shndx; + multiboot_uint32_t min_addr; + multiboot_uint32_t max_addr; + multiboot_uint32_t align; + multiboot_uint32_t preference; }; -typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t; -struct multiboot_info { - /* Multiboot info version number */ - multiboot_uint32_t flags; +struct multiboot_color { + multiboot_uint8_t red; + multiboot_uint8_t green; + multiboot_uint8_t blue; +}; - /* Available memory from BIOS */ - multiboot_uint32_t mem_lower; - multiboot_uint32_t mem_upper; +struct multiboot_mmap_entry { + multiboot_uint64_t addr; + multiboot_uint64_t len; +#define MULTIBOOT_MEMORY_AVAILABLE 1 +#define MULTIBOOT_MEMORY_RESERVED 2 +#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3 +#define MULTIBOOT_MEMORY_NVS 4 +#define MULTIBOOT_MEMORY_BADRAM 5 + multiboot_uint32_t type; + multiboot_uint32_t zero; +}; +typedef struct multiboot_mmap_entry multiboot_memory_map_t; - /* "root" partition */ - multiboot_uint32_t boot_device; +struct multiboot_tag { + multiboot_uint32_t type; + multiboot_uint32_t size; +}; - /* Kernel command line */ - multiboot_uint32_t cmdline; +struct multiboot_tag_string { + multiboot_uint32_t type; + multiboot_uint32_t size; + char string[0]; +}; - /* Boot-Module list */ - multiboot_uint32_t mods_count; - multiboot_uint32_t mods_addr; +struct multiboot_tag_module { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t mod_start; + multiboot_uint32_t mod_end; + char cmdline[0]; +}; - union { - multiboot_aout_symbol_table_t aout_sym; - multiboot_elf_section_header_table_t elf_sec; - } u; +struct multiboot_tag_basic_meminfo { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t mem_lower; + multiboot_uint32_t mem_upper; +}; - /* Memory Mapping buffer */ - multiboot_uint32_t mmap_length; - multiboot_uint32_t mmap_addr; +struct multiboot_tag_bootdev { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t biosdev; + multiboot_uint32_t slice; + multiboot_uint32_t part; +}; - /* Drive Info buffer */ - multiboot_uint32_t drives_length; - multiboot_uint32_t drives_addr; +struct multiboot_tag_mmap { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t entry_size; + multiboot_uint32_t entry_version; + struct multiboot_mmap_entry entries[0]; +}; - /* ROM configuration table */ - multiboot_uint32_t config_table; +struct multiboot_vbe_info_block { + multiboot_uint8_t external_specification[512]; +}; - /* Boot Loader Name */ - multiboot_uint32_t boot_loader_name; +struct multiboot_vbe_mode_info_block { + multiboot_uint8_t external_specification[256]; +}; - /* APM table */ - multiboot_uint32_t apm_table; +struct multiboot_tag_vbe { + multiboot_uint32_t type; + multiboot_uint32_t size; - /* 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; + + struct multiboot_vbe_info_block vbe_control_info; + struct multiboot_vbe_mode_info_block vbe_mode_info; }; -typedef struct multiboot_info multiboot_info_t; -struct multiboot_mmap_entry { +struct multiboot_tag_framebuffer_common { + multiboot_uint32_t type; multiboot_uint32_t size; - multiboot_uint64_t addr; - multiboot_uint64_t len; -#define MULTIBOOT_MEMORY_AVAILABLE 1 -#define MULTIBOOT_MEMORY_RESERVED 2 + + multiboot_uint64_t framebuffer_addr; + multiboot_uint32_t framebuffer_pitch; + multiboot_uint32_t framebuffer_width; + multiboot_uint32_t framebuffer_height; + multiboot_uint8_t framebuffer_bpp; +#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0 +#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1 +#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2 + multiboot_uint8_t framebuffer_type; + multiboot_uint16_t reserved; +}; + +struct multiboot_tag_framebuffer { + struct multiboot_tag_framebuffer_common common; + + union { + struct { + multiboot_uint16_t framebuffer_palette_num_colors; + struct multiboot_color framebuffer_palette[0]; + }; + struct { + multiboot_uint8_t framebuffer_red_field_position; + multiboot_uint8_t framebuffer_red_mask_size; + multiboot_uint8_t framebuffer_green_field_position; + multiboot_uint8_t framebuffer_green_mask_size; + multiboot_uint8_t framebuffer_blue_field_position; + multiboot_uint8_t framebuffer_blue_mask_size; + }; + }; +}; + +struct multiboot_tag_elf_sections { multiboot_uint32_t type; -} __attribute__((packed)); -typedef struct multiboot_mmap_entry multiboot_memory_map_t; + multiboot_uint32_t size; + multiboot_uint32_t num; + multiboot_uint32_t entsize; + multiboot_uint32_t shndx; + char sections[0]; +}; -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; +struct multiboot_tag_apm { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint16_t version; + multiboot_uint16_t cseg; + multiboot_uint32_t offset; + multiboot_uint16_t cseg_16; + multiboot_uint16_t dseg; + multiboot_uint16_t flags; + multiboot_uint16_t cseg_len; + multiboot_uint16_t cseg_16_len; + multiboot_uint16_t dseg_len; +}; + +struct multiboot_tag_efi32 { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t pointer; +}; - /* Module command line */ - multiboot_uint32_t cmdline; +struct multiboot_tag_efi64 { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint64_t pointer; +}; + +struct multiboot_tag_smbios { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint8_t major; + multiboot_uint8_t minor; + multiboot_uint8_t reserved[6]; + multiboot_uint8_t tables[0]; +}; + +struct multiboot_tag_old_acpi { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint8_t rsdp[0]; +}; + +struct multiboot_tag_new_acpi { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint8_t rsdp[0]; +}; + +struct multiboot_tag_network { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint8_t dhcpack[0]; +}; - /* padding to take it to 16 bytes (must be zero) */ - multiboot_uint32_t pad; +struct multiboot_tag_efi_mmap { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t descr_size; + multiboot_uint32_t descr_vers; + multiboot_uint8_t efi_mmap[0]; }; -typedef struct multiboot_mod_list multiboot_module_t; -#endif /* ! ASM_FILE */ +struct multiboot_tag_efi32_ih { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t pointer; +}; + +struct multiboot_tag_efi64_ih { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint64_t pointer; +}; + +struct multiboot_tag_load_base_addr { + multiboot_uint32_t type; + multiboot_uint32_t size; + multiboot_uint32_t load_base_addr; +}; + +void multiboot_parse(); + +#endif -#endif /* ! MULTIBOOT_HEADER */
\ No newline at end of file +#endif |