bootblock.h

FSD file system driver

	int32_t address;
	int32_t count;
};

#define	HP300_VOL_ID		-32768
#define	HP300_VOL_OCT		4096
#define	HP300_DIR_TYPE		-5822
#define	HP300_DIR_FLAG		0x8001	/* dont ask me! */
#define	HP300_SECTSIZE		256

#endif

/* ------------------------------------------
 * x86
 *
 */

/*
 * Parameters for NetBSD /boot written to start of pbr code by installboot
 */

struct x86_boot_params {
	uint32_t	bp_length;	/* length of patchable data */
	uint32_t	bp_flags;
	uint32_t	bp_timeout;	/* boot timeout in seconds */
	uint32_t	bp_consdev;
	uint32_t	bp_conspeed;
	uint8_t		bp_password[16];	/* md5 hash of password */
	char		bp_keymap[16];	/* keyboard traslation map */
};

#endif	/* !defined(__ASSEMBLER__) */				/* } */

#define	X86_BOOT_MAGIC(n)	('x' << 24 | 0x86b << 12 | 'm' << 4 | (n))
#define	X86_BOOT_MAGIC_1	X86_BOOT_MAGIC(1)	/* pbr.S */
#define	X86_BOOT_MAGIC_2	X86_BOOT_MAGIC(2)	/* bootxx.S */
#define	X86_BOOT_MAGIC_PXE	X86_BOOT_MAGIC(3)	/* start_pxe.S */

		/* values for bp_flags */
#define	X86_BP_FLAGS_RESET_VIDEO	1
#define	X86_BP_FLAGS_PASSWORD		2

		/* values for bp_consdev */
#define	X86_BP_CONSDEV_PC	0
#define	X86_BP_CONSDEV_COM0	1
#define	X86_BP_CONSDEV_COM1	2
#define	X86_BP_CONSDEV_COM2	3
#define	X86_BP_CONSDEV_COM3	4
#define	X86_BP_CONSDEV_COM0KBD	5
#define	X86_BP_CONSDEV_COM1KBD	6
#define	X86_BP_CONSDEV_COM2KBD	7
#define	X86_BP_CONSDEV_COM3KBD	8

#if !defined(__ASSEMBLER__)					/* { */

#if 0 /* XXX ffsdrv */
/* ------------------------------------------
 * macppc
 */

#define	MACPPC_BOOT_BLOCK_OFFSET	2048
#define	MACPPC_BOOT_BLOCK_BLOCKSIZE	512
#define	MACPPC_BOOT_BLOCK_MAX_SIZE	2048	/* XXX: could be up to 6144 */
	/* Magic string -- 32 bytes long (including the NUL) */
#define	MACPPC_BBINFO_MAGIC		"NetBSD/macppc bootxx   20020515"

/* ------------------------------------------
 * news68k, newsmips
 */

#define	NEWS_BOOT_BLOCK_LABELOFFSET	64 /* XXX from <machine/disklabel.h> */
#define	NEWS_BOOT_BLOCK_OFFSET		0
#define	NEWS_BOOT_BLOCK_BLOCKSIZE	512
#define	NEWS_BOOT_BLOCK_MAX_SIZE	(512 * 16)

	/* Magic string -- 32 bytes long (including the NUL) */
#define	NEWS68K_BBINFO_MAGIC		"NetBSD/news68k bootxx  20020518"
#define	NEWSMIPS_BBINFO_MAGIC		"NetBSD/newsmips bootxx 20020518"

/* ------------------------------------------
 * next68k
 */

#define	NEXT68K_LABEL_MAXPARTITIONS	8	/* number of partitions in next68k_disklabel */
#define	NEXT68K_LABEL_CPULBLLEN		24
#define	NEXT68K_LABEL_MAXDNMLEN		24
#define	NEXT68K_LABEL_MAXTYPLEN		24
#define	NEXT68K_LABEL_MAXBFLEN		24
#define	NEXT68K_LABEL_MAXHNLEN		32
#define	NEXT68K_LABEL_MAXMPTLEN		16
#define	NEXT68K_LABEL_MAXFSTLEN		8
#define	NEXT68K_LABEL_NBAD		1670	/* sized to make label ~= 8KB */

struct next68k_partition {
	int32_t	cp_offset;		/* starting sector */
	int32_t	cp_size;		/* number of sectors in partition */
	int16_t	cp_bsize;		/* block size in bytes */
	int16_t	cp_fsize;		/* filesystem basic fragment size */
	char	cp_opt;			/* optimization type: 's'pace/'t'ime */
	char	cp_pad1;
	int16_t	cp_cpg;			/* filesystem cylinders per group */
	int16_t	cp_density;		/* bytes per inode density */
	int8_t	cp_minfree;		/* minfree (%) */
	int8_t	cp_newfs;		/* run newfs during init */
	char	cp_mountpt[NEXT68K_LABEL_MAXMPTLEN];
					/* default/standard mount point */
	int8_t	cp_automnt;		/* auto-mount when inserted */
	char	cp_type[NEXT68K_LABEL_MAXFSTLEN]; /* file system type name */
	char	cp_pad2;
} __attribute__ ((packed));

/* The disklabel the way it is on the disk */
struct next68k_disklabel {
	int32_t	cd_version;		/* label version */
	int32_t	cd_label_blkno;		/* block # of this label */
	int32_t	cd_size;		/* size of media area (sectors) */
	char	cd_label[NEXT68K_LABEL_CPULBLLEN]; /* disk name (label) */
	uint32_t cd_flags;		/* flags */
	uint32_t cd_tag;		/* volume tag */
	char	cd_name[NEXT68K_LABEL_MAXDNMLEN]; /* drive (hardware) name */
	char	cd_type[NEXT68K_LABEL_MAXTYPLEN]; /* drive type */
	int32_t	cd_secsize;		/* # of bytes per sector */
	int32_t	cd_ntracks;		/* # of tracks per cylinder */
	int32_t	cd_nsectors;		/* # of data sectors per track */
	int32_t	cd_ncylinders;		/* # of data cylinders per unit */
	int32_t	cd_rpm;			/* rotational speed */
	int16_t	cd_front;		/* # of sectors in "front porch" */
	int16_t	cd_back;		/* # of sectors in "back porch" */
	int16_t	cd_ngroups;		/* # of alt groups */
	int16_t	cd_ag_size;		/* alt group size (sectors) */
	int16_t	cd_ag_alts;		/* alternate sectors / alt group */
	int16_t	cd_ag_off;		/* sector offset to first alternate */
	int32_t	cd_boot_blkno[2];	/* boot program locations */
	char	cd_kernel[NEXT68K_LABEL_MAXBFLEN]; /* default kernel name */
	char	cd_hostname[NEXT68K_LABEL_MAXHNLEN];
				/* host name (usu. where disk was labeled) */
	char	cd_rootpartition;	/* root partition letter e.g. 'a' */
	char	cd_rwpartition;		/* r/w partition letter e.g. 'b' */
	struct next68k_partition cd_partitions[NEXT68K_LABEL_MAXPARTITIONS];

	union {
		uint16_t CD_v3_checksum; /* label version 3 checksum */
		int32_t	CD_bad[NEXT68K_LABEL_NBAD];
					/* block number that is bad */
	} cd_un;
	uint16_t cd_checksum;		/* label version 1 or 2 checksum */
} __attribute__ ((packed));

#define	NEXT68K_LABEL_cd_checksum	cd_checksum
#define	NEXT68K_LABEL_cd_v3_checksum	cd_un.CD_v3_checksum
#define	NEXT68K_LABEL_cd_bad		cd_un.CD_bad

#define	NEXT68K_LABEL_SECTOR		0	/* sector containing label */
#define	NEXT68K_LABEL_OFFSET		0	/* offset of label in sector */
#define	NEXT68K_LABEL_SIZE		8192	/* size of label */
#define	NEXT68K_LABEL_CD_V1		0x4e655854 /* version #1: "NeXT" */
#define	NEXT68K_LABEL_CD_V2		0x646c5632 /* version #2: "dlV2" */
#define	NEXT68K_LABEL_CD_V3		0x646c5633 /* version #3: "dlV3" */
#define	NEXT68K_LABEL_DEFAULTFRONTPORCH	(160 * 2)
#define	NEXT68K_LABEL_DEFAULTBOOT0_1	(32 * 2)
#define	NEXT68K_LABEL_DEFAULTBOOT0_2	(96 * 2)

/* ------------------------------------------
 * pmax --
 *	PMAX (DECstation / MIPS) boot block information
 */

/*
 * If mode is 0, there is just one sequence of blocks and one Dec_BootMap
 * is used.  If mode is 1, there are multiple sequences of blocks
 * and multiple Dec_BootMaps are used, the last with numBlocks = 0.
 */
struct pmax_boot_map {
	int32_t	num_blocks;		/* Number of blocks to read. */
	int32_t	start_block;		/* Starting block on disk. */
};

/*
 * This is the structure of a disk or tape boot block.  The boot_map
 * can either be a single boot count and start block (contiguous mode)
 * or a list of up to 61 (to fill a 512 byte sector) block count and
 * start block pairs.  Under NetBSD, contiguous mode is always used.
 */
struct pmax_boot_block {
	uint8_t		pad[8];
	int32_t		magic;			/* PMAX_BOOT_MAGIC */
	int32_t		mode;			/* Mode for boot info. */
	uint32_t	load_addr;		/* Address to start loading. */
	uint32_t	exec_addr;		/* Address to start execing. */
	struct		pmax_boot_map map[61];	/* boot program section(s). */
} __attribute__((__packed__));

#define	PMAX_BOOT_MAGIC			0x0002757a
#define	PMAX_BOOTMODE_CONTIGUOUS	0
#define	PMAX_BOOTMODE_SCATTERED		1

#define	PMAX_BOOT_BLOCK_OFFSET		0
#define	PMAX_BOOT_BLOCK_BLOCKSIZE	512


/* ------------------------------------------
 * sparc
 */

#define	SPARC_BOOT_BLOCK_OFFSET		512
#define	SPARC_BOOT_BLOCK_BLOCKSIZE	512
#define	SPARC_BOOT_BLOCK_MAX_SIZE	(512 * 15)
	/* Magic string -- 32 bytes long (including the NUL) */
#define	SPARC_BBINFO_MAGIC		"NetBSD/sparc bootxx    20020515"


/* ------------------------------------------
 * sparc64
 */

#define	SPARC64_BOOT_BLOCK_OFFSET	512
#define	SPARC64_BOOT_BLOCK_BLOCKSIZE	512
#define	SPARC64_BOOT_BLOCK_MAX_SIZE	(512 * 15)


/* ------------------------------------------
 * sun68k (sun2, sun3)
 */

#define	SUN68K_BOOT_BLOCK_OFFSET	512
#define	SUN68K_BOOT_BLOCK_BLOCKSIZE	512
#define	SUN68K_BOOT_BLOCK_MAX_SIZE	(512 * 15)
	/* Magic string -- 32 bytes long (including the NUL) */
#define	SUN68K_BBINFO_MAGIC		"NetBSD/sun68k bootxx   20020515"


/* ------------------------------------------
 * vax --
 *	VAX boot block information
 */

struct vax_boot_block {
/* Note that these don't overlap any of the pmax boot block */
	uint8_t		pad0[2];
	uint8_t		bb_id_offset;	/* offset in words to id (magic1)*/
	uint8_t		bb_mbone;	/* must be one */
	uint16_t	bb_lbn_hi;	/* lbn (hi word) of bootstrap */
	uint16_t	bb_lbn_low;	/* lbn (low word) of bootstrap */
	uint8_t		pad1[332];

	/* The rest of these fields are identification area and describe
	 * the secondary block for uVAX VMB.
	 */
	uint8_t		bb_magic1;	/* magic number */
	uint8_t		bb_mbz1;	/* must be zero */
	uint8_t		bb_pad1;	/* any value */
	uint8_t		bb_sum1;	/* ~(magic1 + mbz1 + pad1) */

	uint8_t		bb_mbz2;	/* must be zero */
	uint8_t		bb_volinfo;	/* volinfo */
	uint8_t		bb_pad2a;	/* any value */
	uint8_t		bb_pad2b;	/* any value */

	uint32_t	bb_size;	/* size in blocks of bootstrap */
	uint32_t	bb_load;	/* load offset to bootstrap */
	uint32_t	bb_entry;	/* byte offset in bootstrap */
	uint32_t	bb_sum3;	/* sum of previous 3 fields */

	/* The rest is unused.
	 */
	uint8_t		pad2[148];
} __attribute__((__packed__));

#define	VAX_BOOT_MAGIC1			0x18	/* size of BB info? */
#define	VAX_BOOT_VOLINFO_NONE		0x00	/* no special info */
#define	VAX_BOOT_VOLINFO_SS		0x01	/* single sided */
#define	VAX_BOOT_VOLINFO_DS		0x81	/* double sided */

#define	VAX_BOOT_SIZE			15	/* 15 blocks */
#define	VAX_BOOT_LOAD			0	/* no load offset */
#define	VAX_BOOT_ENTRY			0x200	/* one block in */

#define	VAX_BOOT_BLOCK_OFFSET		0
#define	VAX_BOOT_BLOCK_BLOCKSIZE	512


/* ------------------------------------------
 * x68k
 */

#define	X68K_BOOT_BLOCK_OFFSET		0
#define	X68K_BOOT_BLOCK_BLOCKSIZE	512
#define	X68K_BOOT_BLOCK_MAX_SIZE	(512 * 16)
	/* Magic string -- 32 bytes long (including the NUL) */
#define	X68K_BBINFO_MAGIC		"NetBSD/x68k bootxx     20020601"

#endif	/* !defined(__ASSEMBLER__) */				/* } */

#endif

#endif	/* !_SYS_BOOTBLOCK_H */