nuclear@17: #ifndef MBOOT_H_
nuclear@17: #define MBOOT_H_
nuclear@17: 
nuclear@17: #include <inttypes.h>
nuclear@17: 
nuclear@17: #define MB_MEM		(1 << 0)
nuclear@17: #define MB_BOOTDEV	(1 << 1)
nuclear@17: #define MB_CMDLINE	(1 << 2)
nuclear@17: #define MB_MODULES	(1 << 3)
nuclear@17: #define MB_AOUT_SYM	(1 << 4)
nuclear@17: #define MB_ELF_SHDR	(1 << 5)
nuclear@17: #define MB_MMAP		(1 << 6)
nuclear@17: #define MB_DRIVES	(1 << 7)
nuclear@17: #define MB_CFGTAB	(1 << 8)
nuclear@17: #define MB_LDRNAME	(1 << 9)
nuclear@17: #define MB_APM		(1 << 10)
nuclear@17: #define MB_GFX		(1 << 11)
nuclear@17: 
nuclear@17: #define MB_MEM_VALID	1
nuclear@17: #define MB_DRIVE_CHS	0
nuclear@17: #define MB_DRIVE_LBA	1
nuclear@17: 
nuclear@17: struct mboot_module {
nuclear@17: 	uint32_t start_addr, end_addr;
nuclear@17: 	char *str;
nuclear@17: 	uint32_t reserved;
nuclear@17: };
nuclear@17: 
nuclear@17: struct mboot_elf_shdr_table {
nuclear@17: 	uint32_t num;
nuclear@17: 	uint32_t size;
nuclear@17: 	uint32_t addr;
nuclear@17: 	uint32_t shndx;
nuclear@17: };
nuclear@17: 
nuclear@17: struct mboot_mmap {
nuclear@17: 	uint32_t skip;
nuclear@17: 	uint32_t base_low, base_high;
nuclear@17: 	uint32_t length_low, length_high;
nuclear@17: 	uint32_t type;
nuclear@17: };
nuclear@17: 
nuclear@17: struct mboot_drive {
nuclear@17: 	uint32_t size;
nuclear@17: 	uint8_t id;
nuclear@17: 	uint8_t mode;
nuclear@17: 	uint16_t cyl;
nuclear@17: 	uint8_t heads, sect;
nuclear@17: 	uint16_t ports[1];	/* zero-terminated */
nuclear@17: } __attribute__ ((packed));
nuclear@17: 
nuclear@17: struct mboot_apm {
nuclear@17: 	uint16_t ver;
nuclear@17: 	uint16_t cseg;
nuclear@17: 	uint32_t offs;
nuclear@17: 	uint16_t cseg16;
nuclear@17: 	uint16_t dseg;
nuclear@17: 	uint16_t flags;
nuclear@17: 	uint16_t cseg_len;
nuclear@17: 	uint16_t cseg16_len;
nuclear@17: 	uint16_t dseg_len;
nuclear@17: } __attribute__ ((packed));
nuclear@17: 
nuclear@17: struct mboot_vbe {
nuclear@17: 	uint32_t ctl_info;
nuclear@17: 	uint32_t mode_info;
nuclear@17: 	uint16_t mode;
nuclear@17: 	uint16_t ifseg, ifoffs, iflen;
nuclear@17: } __attribute__ ((packed));
nuclear@17: 
nuclear@17: 
nuclear@17: /* multiboot information structure */
nuclear@17: struct mboot_info {
nuclear@17: 	uint32_t flags;
nuclear@17: 	/* mem_lower: available low memory (up to 640kb)
nuclear@17: 	 * mem_upper: available upper memory (from 1mb and upwards)
nuclear@17: 	 */
nuclear@17: 	uint32_t mem_lower, mem_upper;
nuclear@17: 	/* boot device fields: MSB -> [part3|part2|part1|drive] <- LSB */
nuclear@17: 	uint32_t boot_dev;
nuclear@17: 	char *cmdline;
nuclear@17: 	/* loaded kernel modules */
nuclear@17: 	uint32_t mods_count;
nuclear@17: 	struct mboot_module *mods;
nuclear@17: 	/* elf sections table */
nuclear@17: 	struct mboot_elf_shdr_table elf;
nuclear@17: 	/* memory map */
nuclear@17: 	uint32_t mmap_len;
nuclear@17: 	struct mboot_mmap *mmap;
nuclear@17: 	/* drives table */
nuclear@17: 	uint32_t drives_len;
nuclear@17: 	struct mboot_drive *drives;
nuclear@17: 	/* address of BIOS ROM configuration table */
nuclear@17: 	uint32_t cfgtable;
nuclear@17: 	char *boot_loader_name;
nuclear@17: 	/* advanced power management */
nuclear@17: 	struct mboot_apm *apm;
nuclear@17: 	/* video bios extensions */
nuclear@17: 	struct mboot_vbe vbe;
nuclear@17: };
nuclear@17: 
nuclear@17: 
nuclear@17: #endif	/* MBOOT_H_ */