1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/boot/mboot.h	Sat Mar 26 21:39:14 2011 +0200
     1.3 @@ -0,0 +1,103 @@
     1.4 +#ifndef MBOOT_H_
     1.5 +#define MBOOT_H_
     1.6 +
     1.7 +#include <inttypes.h>
     1.8 +
     1.9 +#define MB_MEM		(1 << 0)
    1.10 +#define MB_BOOTDEV	(1 << 1)
    1.11 +#define MB_CMDLINE	(1 << 2)
    1.12 +#define MB_MODULES	(1 << 3)
    1.13 +#define MB_AOUT_SYM	(1 << 4)
    1.14 +#define MB_ELF_SHDR	(1 << 5)
    1.15 +#define MB_MMAP		(1 << 6)
    1.16 +#define MB_DRIVES	(1 << 7)
    1.17 +#define MB_CFGTAB	(1 << 8)
    1.18 +#define MB_LDRNAME	(1 << 9)
    1.19 +#define MB_APM		(1 << 10)
    1.20 +#define MB_GFX		(1 << 11)
    1.21 +
    1.22 +#define MB_MEM_VALID	1
    1.23 +#define MB_DRIVE_CHS	0
    1.24 +#define MB_DRIVE_LBA	1
    1.25 +
    1.26 +struct mboot_module {
    1.27 +	uint32_t start_addr, end_addr;
    1.28 +	char *str;
    1.29 +	uint32_t reserved;
    1.30 +};
    1.31 +
    1.32 +struct mboot_elf_shdr_table {
    1.33 +	uint32_t num;
    1.34 +	uint32_t size;
    1.35 +	uint32_t addr;
    1.36 +	uint32_t shndx;
    1.37 +};
    1.38 +
    1.39 +struct mboot_mmap {
    1.40 +	uint32_t skip;
    1.41 +	uint32_t base_low, base_high;
    1.42 +	uint32_t length_low, length_high;
    1.43 +	uint32_t type;
    1.44 +};
    1.45 +
    1.46 +struct mboot_drive {
    1.47 +	uint32_t size;
    1.48 +	uint8_t id;
    1.49 +	uint8_t mode;
    1.50 +	uint16_t cyl;
    1.51 +	uint8_t heads, sect;
    1.52 +	uint16_t ports[1];	/* zero-terminated */
    1.53 +} __attribute__ ((packed));
    1.54 +
    1.55 +struct mboot_apm {
    1.56 +	uint16_t ver;
    1.57 +	uint16_t cseg;
    1.58 +	uint32_t offs;
    1.59 +	uint16_t cseg16;
    1.60 +	uint16_t dseg;
    1.61 +	uint16_t flags;
    1.62 +	uint16_t cseg_len;
    1.63 +	uint16_t cseg16_len;
    1.64 +	uint16_t dseg_len;
    1.65 +} __attribute__ ((packed));
    1.66 +
    1.67 +struct mboot_vbe {
    1.68 +	uint32_t ctl_info;
    1.69 +	uint32_t mode_info;
    1.70 +	uint16_t mode;
    1.71 +	uint16_t ifseg, ifoffs, iflen;
    1.72 +} __attribute__ ((packed));
    1.73 +
    1.74 +
    1.75 +/* multiboot information structure */
    1.76 +struct mboot_info {
    1.77 +	uint32_t flags;
    1.78 +	/* mem_lower: available low memory (up to 640kb)
    1.79 +	 * mem_upper: available upper memory (from 1mb and upwards)
    1.80 +	 */
    1.81 +	uint32_t mem_lower, mem_upper;
    1.82 +	/* boot device fields: MSB -> [part3|part2|part1|drive] <- LSB */
    1.83 +	uint32_t boot_dev;
    1.84 +	char *cmdline;
    1.85 +	/* loaded kernel modules */
    1.86 +	uint32_t mods_count;
    1.87 +	struct mboot_module *mods;
    1.88 +	/* elf sections table */
    1.89 +	struct mboot_elf_shdr_table elf;
    1.90 +	/* memory map */
    1.91 +	uint32_t mmap_len;
    1.92 +	struct mboot_mmap *mmap;
    1.93 +	/* drives table */
    1.94 +	uint32_t drives_len;
    1.95 +	struct mboot_drive *drives;
    1.96 +	/* address of BIOS ROM configuration table */
    1.97 +	uint32_t cfgtable;
    1.98 +	char *boot_loader_name;
    1.99 +	/* advanced power management */
   1.100 +	struct mboot_apm *apm;
   1.101 +	/* video bios extensions */
   1.102 +	struct mboot_vbe vbe;
   1.103 +};
   1.104 +
   1.105 +
   1.106 +#endif	/* MBOOT_H_ */