[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/util-linux/fdisk_osf.c b/ap/app/busybox/src/util-linux/fdisk_osf.c
new file mode 100644
index 0000000..ff16389
--- /dev/null
+++ b/ap/app/busybox/src/util-linux/fdisk_osf.c
@@ -0,0 +1,1047 @@
+/*
+ * Copyright (c) 1987, 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgment:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if ENABLE_FEATURE_OSF_LABEL
+
+#ifndef BSD_DISKMAGIC
+#define BSD_DISKMAGIC     ((uint32_t) 0x82564557)
+#endif
+
+#ifndef BSD_MAXPARTITIONS
+#define BSD_MAXPARTITIONS 16
+#endif
+
+#define BSD_LINUX_BOOTDIR "/usr/ucb/mdec"
+
+#if defined(__alpha__) \
+ || defined(__powerpc__) \
+ || defined(__ia64__) \
+ || defined(__hppa__)
+# define BSD_LABELSECTOR   0
+# define BSD_LABELOFFSET   64
+#else
+# define BSD_LABELSECTOR   1
+# define BSD_LABELOFFSET   0
+#endif
+
+#define BSD_BBSIZE        8192          /* size of boot area, with label */
+#define BSD_SBSIZE        8192          /* max size of fs superblock */
+
+struct xbsd_disklabel {
+	uint32_t   d_magic;                /* the magic number */
+	int16_t    d_type;                 /* drive type */
+	int16_t    d_subtype;              /* controller/d_type specific */
+	char       d_typename[16];         /* type name, e.g. "eagle" */
+	char       d_packname[16];         /* pack identifier */
+	/* disk geometry: */
+	uint32_t   d_secsize;              /* # of bytes per sector */
+	uint32_t   d_nsectors;             /* # of data sectors per track */
+	uint32_t   d_ntracks;              /* # of tracks per cylinder */
+	uint32_t   d_ncylinders;           /* # of data cylinders per unit */
+	uint32_t   d_secpercyl;            /* # of data sectors per cylinder */
+	uint32_t   d_secperunit;           /* # of data sectors per unit */
+	/*
+	 * Spares (bad sector replacements) below
+	 * are not counted in d_nsectors or d_secpercyl.
+	 * Spare sectors are assumed to be physical sectors
+	 * which occupy space at the end of each track and/or cylinder.
+	 */
+	uint16_t   d_sparespertrack;       /* # of spare sectors per track */
+	uint16_t   d_sparespercyl;         /* # of spare sectors per cylinder */
+	/*
+	 * Alternate cylinders include maintenance, replacement,
+	 * configuration description areas, etc.
+	 */
+	uint32_t   d_acylinders;           /* # of alt. cylinders per unit */
+
+	/* hardware characteristics: */
+	/*
+	 * d_interleave, d_trackskew and d_cylskew describe perturbations
+	 * in the media format used to compensate for a slow controller.
+	 * Interleave is physical sector interleave, set up by the formatter
+	 * or controller when formatting.  When interleaving is in use,
+	 * logically adjacent sectors are not physically contiguous,
+	 * but instead are separated by some number of sectors.
+	 * It is specified as the ratio of physical sectors traversed
+	 * per logical sector.  Thus an interleave of 1:1 implies contiguous
+	 * layout, while 2:1 implies that logical sector 0 is separated
+	 * by one sector from logical sector 1.
+	 * d_trackskew is the offset of sector 0 on track N
+	 * relative to sector 0 on track N-1 on the same cylinder.
+	 * Finally, d_cylskew is the offset of sector 0 on cylinder N
+	 * relative to sector 0 on cylinder N-1.
+	 */
+	uint16_t   d_rpm;                  /* rotational speed */
+	uint16_t   d_interleave;           /* hardware sector interleave */
+	uint16_t   d_trackskew;            /* sector 0 skew, per track */
+	uint16_t   d_cylskew;              /* sector 0 skew, per cylinder */
+	uint32_t   d_headswitch;           /* head switch time, usec */
+	uint32_t   d_trkseek;              /* track-to-track seek, usec */
+	uint32_t   d_flags;                /* generic flags */
+#define NDDATA 5
+	uint32_t   d_drivedata[NDDATA];    /* drive-type specific information */
+#define NSPARE 5
+	uint32_t   d_spare[NSPARE];        /* reserved for future use */
+	uint32_t   d_magic2;               /* the magic number (again) */
+	uint16_t   d_checksum;             /* xor of data incl. partitions */
+	/* filesystem and partition information: */
+	uint16_t   d_npartitions;          /* number of partitions in following */
+	uint32_t   d_bbsize;               /* size of boot area at sn0, bytes */
+	uint32_t   d_sbsize;               /* max size of fs superblock, bytes */
+	struct xbsd_partition { /* the partition table */
+		uint32_t   p_size;         /* number of sectors in partition */
+		uint32_t   p_offset;       /* starting sector */
+		uint32_t   p_fsize;        /* filesystem basic fragment size */
+		uint8_t    p_fstype;       /* filesystem type, see below */
+		uint8_t    p_frag;         /* filesystem fragments per block */
+		uint16_t   p_cpg;          /* filesystem cylinders per group */
+	} d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
+};
+
+/* d_type values: */
+#define BSD_DTYPE_SMD           1               /* SMD, XSMD; VAX hp/up */
+#define BSD_DTYPE_MSCP          2               /* MSCP */
+#define BSD_DTYPE_DEC           3               /* other DEC (rk, rl) */
+#define BSD_DTYPE_SCSI          4               /* SCSI */
+#define BSD_DTYPE_ESDI          5               /* ESDI interface */
+#define BSD_DTYPE_ST506         6               /* ST506 etc. */
+#define BSD_DTYPE_HPIB          7               /* CS/80 on HP-IB */
+#define BSD_DTYPE_HPFL          8               /* HP Fiber-link */
+#define BSD_DTYPE_FLOPPY        10              /* floppy */
+
+/* d_subtype values: */
+#define BSD_DSTYPE_INDOSPART    0x8             /* is inside dos partition */
+#define BSD_DSTYPE_DOSPART(s)   ((s) & 3)       /* dos partition number */
+#define BSD_DSTYPE_GEOMETRY     0x10            /* drive params in label */
+
+static const char *const xbsd_dktypenames[] = {
+	"unknown",
+	"SMD",
+	"MSCP",
+	"old DEC",
+	"SCSI",
+	"ESDI",
+	"ST506",
+	"HP-IB",
+	"HP-FL",
+	"type 9",
+	"floppy",
+	0
+};
+
+
+/*
+ * Filesystem type and version.
+ * Used to interpret other filesystem-specific
+ * per-partition information.
+ */
+#define BSD_FS_UNUSED   0               /* unused */
+#define BSD_FS_SWAP     1               /* swap */
+#define BSD_FS_V6       2               /* Sixth Edition */
+#define BSD_FS_V7       3               /* Seventh Edition */
+#define BSD_FS_SYSV     4               /* System V */
+#define BSD_FS_V71K     5               /* V7 with 1K blocks (4.1, 2.9) */
+#define BSD_FS_V8       6               /* Eighth Edition, 4K blocks */
+#define BSD_FS_BSDFFS   7               /* 4.2BSD fast file system */
+#define BSD_FS_BSDLFS   9               /* 4.4BSD log-structured file system */
+#define BSD_FS_OTHER    10              /* in use, but unknown/unsupported */
+#define BSD_FS_HPFS     11              /* OS/2 high-performance file system */
+#define BSD_FS_ISO9660  12              /* ISO-9660 filesystem (cdrom) */
+#define BSD_FS_ISOFS    BSD_FS_ISO9660
+#define BSD_FS_BOOT     13              /* partition contains bootstrap */
+#define BSD_FS_ADOS     14              /* AmigaDOS fast file system */
+#define BSD_FS_HFS      15              /* Macintosh HFS */
+#define BSD_FS_ADVFS    16              /* Digital Unix AdvFS */
+
+/* this is annoying, but it's also the way it is :-( */
+#ifdef __alpha__
+#define BSD_FS_EXT2     8               /* ext2 file system */
+#else
+#define BSD_FS_MSDOS    8               /* MS-DOS file system */
+#endif
+
+static const char *const xbsd_fstypes[] = {
+	"\x00" "unused",            /* BSD_FS_UNUSED  */
+	"\x01" "swap",              /* BSD_FS_SWAP    */
+	"\x02" "Version 6",         /* BSD_FS_V6      */
+	"\x03" "Version 7",         /* BSD_FS_V7      */
+	"\x04" "System V",          /* BSD_FS_SYSV    */
+	"\x05" "4.1BSD",            /* BSD_FS_V71K    */
+	"\x06" "Eighth Edition",    /* BSD_FS_V8      */
+	"\x07" "4.2BSD",            /* BSD_FS_BSDFFS  */
+#ifdef __alpha__
+	"\x08" "ext2",              /* BSD_FS_EXT2    */
+#else
+	"\x08" "MS-DOS",            /* BSD_FS_MSDOS   */
+#endif
+	"\x09" "4.4LFS",            /* BSD_FS_BSDLFS  */
+	"\x0a" "unknown",           /* BSD_FS_OTHER   */
+	"\x0b" "HPFS",              /* BSD_FS_HPFS    */
+	"\x0c" "ISO-9660",          /* BSD_FS_ISO9660 */
+	"\x0d" "boot",              /* BSD_FS_BOOT    */
+	"\x0e" "ADOS",              /* BSD_FS_ADOS    */
+	"\x0f" "HFS",               /* BSD_FS_HFS     */
+	"\x10" "AdvFS",             /* BSD_FS_ADVFS   */
+	NULL
+};
+
+
+/*
+ * flags shared by various drives:
+ */
+#define BSD_D_REMOVABLE 0x01            /* removable media */
+#define BSD_D_ECC       0x02            /* supports ECC */
+#define BSD_D_BADSECT   0x04            /* supports bad sector forw. */
+#define BSD_D_RAMDISK   0x08            /* disk emulator */
+#define BSD_D_CHAIN     0x10            /* can do back-back transfers */
+#define BSD_D_DOSPART   0x20            /* within MSDOS partition */
+
+/*
+   Changes:
+   19990319 - Arnaldo Carvalho de Melo <acme@conectiva.com.br> - i18n/nls
+
+   20000101 - David Huggins-Daines <dhuggins@linuxcare.com> - Better
+   support for OSF/1 disklabels on Alpha.
+   Also fixed unaligned accesses in alpha_bootblock_checksum()
+*/
+
+#define FREEBSD_PARTITION       0xa5
+#define NETBSD_PARTITION        0xa9
+
+static void xbsd_delete_part(void);
+static void xbsd_new_part(void);
+static void xbsd_write_disklabel(void);
+static int xbsd_create_disklabel(void);
+static void xbsd_edit_disklabel(void);
+static void xbsd_write_bootstrap(void);
+static void xbsd_change_fstype(void);
+static int xbsd_get_part_index(int max);
+static int xbsd_check_new_partition(int *i);
+static void xbsd_list_types(void);
+static uint16_t xbsd_dkcksum(struct xbsd_disklabel *lp);
+static int xbsd_initlabel(struct partition *p);
+static int xbsd_readlabel(struct partition *p);
+static int xbsd_writelabel(struct partition *p);
+
+#if defined(__alpha__)
+static void alpha_bootblock_checksum(char *boot);
+#endif
+
+#if !defined(__alpha__)
+static int xbsd_translate_fstype(int linux_type);
+static void xbsd_link_part(void);
+static struct partition *xbsd_part;
+static int xbsd_part_index;
+#endif
+
+
+/* Group big globals data and allocate it in one go */
+struct bsd_globals {
+/* We access this through a uint64_t * when checksumming */
+/* hopefully xmalloc gives us required alignment */
+	char disklabelbuffer[BSD_BBSIZE];
+	struct xbsd_disklabel xbsd_dlabel;
+};
+
+static struct bsd_globals *bsd_globals_ptr;
+
+#define disklabelbuffer (bsd_globals_ptr->disklabelbuffer)
+#define xbsd_dlabel     (bsd_globals_ptr->xbsd_dlabel)
+
+
+/* Code */
+
+#define bsd_cround(n) \
+	(display_in_cyl_units ? ((n)/xbsd_dlabel.d_secpercyl) + 1 : (n))
+
+/*
+ * Test whether the whole disk has BSD disk label magic.
+ *
+ * Note: often reformatting with DOS-type label leaves the BSD magic,
+ * so this does not mean that there is a BSD disk label.
+ */
+static int
+check_osf_label(void)
+{
+	if (xbsd_readlabel(NULL) == 0)
+		return 0;
+	return 1;
+}
+
+static int
+bsd_trydev(const char * dev)
+{
+	if (xbsd_readlabel(NULL) == 0)
+		return -1;
+	printf("\nBSD label for device: %s\n", dev);
+	xbsd_print_disklabel(0);
+	return 0;
+}
+
+static void
+bsd_menu(void)
+{
+	puts("Command Action");
+	puts("d\tdelete a BSD partition");
+	puts("e\tedit drive data");
+	puts("i\tinstall bootstrap");
+	puts("l\tlist known filesystem types");
+	puts("n\tadd a new BSD partition");
+	puts("p\tprint BSD partition table");
+	puts("q\tquit without saving changes");
+	puts("r\treturn to main menu");
+	puts("s\tshow complete disklabel");
+	puts("t\tchange a partition's filesystem id");
+	puts("u\tchange units (cylinders/sectors)");
+	puts("w\twrite disklabel to disk");
+#if !defined(__alpha__)
+	puts("x\tlink BSD partition to non-BSD partition");
+#endif
+}
+
+#if !defined(__alpha__)
+static int
+hidden(int type)
+{
+	return type ^ 0x10;
+}
+
+static int
+is_bsd_partition_type(int type)
+{
+	return (type == FREEBSD_PARTITION ||
+		type == hidden(FREEBSD_PARTITION) ||
+		type == NETBSD_PARTITION ||
+		type == hidden(NETBSD_PARTITION));
+}
+#endif
+
+static void
+bsd_select(void)
+{
+#if !defined(__alpha__)
+	int t, ss;
+	struct partition *p;
+
+	for (t = 0; t < 4; t++) {
+		p = get_part_table(t);
+		if (p && is_bsd_partition_type(p->sys_ind)) {
+			xbsd_part = p;
+			xbsd_part_index = t;
+			ss = get_start_sect(xbsd_part);
+			if (ss == 0) {
+				printf("Partition %s has invalid starting sector 0\n",
+					partname(disk_device, t+1, 0));
+				return;
+			}
+				printf("Reading disklabel of %s at sector %u\n",
+					partname(disk_device, t+1, 0), ss + BSD_LABELSECTOR);
+			if (xbsd_readlabel(xbsd_part) == 0)
+				if (xbsd_create_disklabel() == 0)
+					return;
+				break;
+		}
+	}
+
+	if (t == 4) {
+		printf("There is no *BSD partition on %s\n", disk_device);
+		return;
+	}
+
+#elif defined(__alpha__)
+
+	if (xbsd_readlabel(NULL) == 0)
+		if (xbsd_create_disklabel() == 0)
+			exit(EXIT_SUCCESS);
+
+#endif
+
+	while (1) {
+		bb_putchar('\n');
+		switch (tolower(read_nonempty("BSD disklabel command (m for help): "))) {
+		case 'd':
+			xbsd_delete_part();
+			break;
+		case 'e':
+			xbsd_edit_disklabel();
+			break;
+		case 'i':
+			xbsd_write_bootstrap();
+			break;
+		case 'l':
+			xbsd_list_types();
+			break;
+		case 'n':
+			xbsd_new_part();
+			break;
+		case 'p':
+			xbsd_print_disklabel(0);
+			break;
+		case 'q':
+			if (ENABLE_FEATURE_CLEAN_UP)
+				close_dev_fd();
+			exit(EXIT_SUCCESS);
+		case 'r':
+			return;
+		case 's':
+			xbsd_print_disklabel(1);
+			break;
+		case 't':
+			xbsd_change_fstype();
+			break;
+		case 'u':
+			change_units();
+			break;
+		case 'w':
+			xbsd_write_disklabel();
+			break;
+#if !defined(__alpha__)
+		case 'x':
+			xbsd_link_part();
+			break;
+#endif
+		default:
+			bsd_menu();
+			break;
+		}
+	}
+}
+
+static void
+xbsd_delete_part(void)
+{
+	int i;
+
+	i = xbsd_get_part_index(xbsd_dlabel.d_npartitions);
+	xbsd_dlabel.d_partitions[i].p_size   = 0;
+	xbsd_dlabel.d_partitions[i].p_offset = 0;
+	xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
+	if (xbsd_dlabel.d_npartitions == i + 1)
+		while (xbsd_dlabel.d_partitions[xbsd_dlabel.d_npartitions-1].p_size == 0)
+			xbsd_dlabel.d_npartitions--;
+}
+
+static void
+xbsd_new_part(void)
+{
+	off_t begin, end;
+	char mesg[256];
+	int i;
+
+	if (!xbsd_check_new_partition(&i))
+		return;
+
+#if !defined(__alpha__) && !defined(__powerpc__) && !defined(__hppa__)
+	begin = get_start_sect(xbsd_part);
+	end = begin + get_nr_sects(xbsd_part) - 1;
+#else
+	begin = 0;
+	end = xbsd_dlabel.d_secperunit - 1;
+#endif
+
+	snprintf(mesg, sizeof(mesg), "First %s", str_units(SINGULAR));
+	begin = read_int(bsd_cround(begin), bsd_cround(begin), bsd_cround(end),
+		0, mesg);
+
+	if (display_in_cyl_units)
+		begin = (begin - 1) * xbsd_dlabel.d_secpercyl;
+
+	snprintf(mesg, sizeof(mesg), "Last %s or +size or +sizeM or +sizeK",
+		str_units(SINGULAR));
+	end = read_int(bsd_cround(begin), bsd_cround(end), bsd_cround(end),
+		bsd_cround(begin), mesg);
+
+	if (display_in_cyl_units)
+		end = end * xbsd_dlabel.d_secpercyl - 1;
+
+	xbsd_dlabel.d_partitions[i].p_size   = end - begin + 1;
+	xbsd_dlabel.d_partitions[i].p_offset = begin;
+	xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
+}
+
+static void
+xbsd_print_disklabel(int show_all)
+{
+	struct xbsd_disklabel *lp = &xbsd_dlabel;
+	struct xbsd_partition *pp;
+	int i, j;
+
+	if (show_all) {
+		static const int d_masks[] = { BSD_D_REMOVABLE, BSD_D_ECC, BSD_D_BADSECT };
+
+#if defined(__alpha__)
+		printf("# %s:\n", disk_device);
+#else
+		printf("# %s:\n", partname(disk_device, xbsd_part_index+1, 0));
+#endif
+		if ((unsigned) lp->d_type < ARRAY_SIZE(xbsd_dktypenames)-1)
+			printf("type: %s\n", xbsd_dktypenames[lp->d_type]);
+		else
+			printf("type: %u\n", lp->d_type);
+		printf("disk: %.*s\n", (int) sizeof(lp->d_typename), lp->d_typename);
+		printf("label: %.*s\n", (int) sizeof(lp->d_packname), lp->d_packname);
+		printf("flags: ");
+		print_flags_separated(d_masks, "removable\0""ecc\0""badsect\0", lp->d_flags, " ");
+		bb_putchar('\n');
+		/* On various machines the fields of *lp are short/int/long */
+		/* In order to avoid problems, we cast them all to long. */
+		printf("bytes/sector: %lu\n", (long) lp->d_secsize);
+		printf("sectors/track: %lu\n", (long) lp->d_nsectors);
+		printf("tracks/cylinder: %lu\n", (long) lp->d_ntracks);
+		printf("sectors/cylinder: %lu\n", (long) lp->d_secpercyl);
+		printf("cylinders: %lu\n", (long) lp->d_ncylinders);
+		printf("rpm: %u\n", lp->d_rpm);
+		printf("interleave: %u\n", lp->d_interleave);
+		printf("trackskew: %u\n", lp->d_trackskew);
+		printf("cylinderskew: %u\n", lp->d_cylskew);
+		printf("headswitch: %lu\t\t# milliseconds\n",
+			(long) lp->d_headswitch);
+		printf("track-to-track seek: %lu\t# milliseconds\n",
+			(long) lp->d_trkseek);
+		printf("drivedata: ");
+		for (i = NDDATA - 1; i >= 0; i--)
+			if (lp->d_drivedata[i])
+				break;
+		if (i < 0)
+			i = 0;
+		for (j = 0; j <= i; j++)
+			printf("%lu ", (long) lp->d_drivedata[j]);
+	}
+	printf("\n%u partitions:\n", lp->d_npartitions);
+	printf("#       start       end      size     fstype   [fsize bsize   cpg]\n");
+	pp = lp->d_partitions;
+	for (i = 0; i < lp->d_npartitions; i++, pp++) {
+		if (pp->p_size) {
+			if (display_in_cyl_units && lp->d_secpercyl) {
+				printf("  %c: %8lu%c %8lu%c %8lu%c  ",
+					'a' + i,
+					(unsigned long) pp->p_offset / lp->d_secpercyl + 1,
+					(pp->p_offset % lp->d_secpercyl) ? '*' : ' ',
+					(unsigned long) (pp->p_offset + pp->p_size + lp->d_secpercyl - 1) / lp->d_secpercyl,
+					((pp->p_offset + pp->p_size) % lp->d_secpercyl) ? '*' : ' ',
+					(long) pp->p_size / lp->d_secpercyl,
+					(pp->p_size % lp->d_secpercyl) ? '*' : ' '
+				);
+			} else {
+				printf("  %c: %8lu  %8lu  %8lu   ",
+					'a' + i,
+					(long) pp->p_offset,
+					(long) pp->p_offset + pp->p_size - 1,
+					(long) pp->p_size
+				);
+			}
+
+			if ((unsigned) pp->p_fstype < ARRAY_SIZE(xbsd_fstypes)-1)
+				printf("%8.8s", xbsd_fstypes[pp->p_fstype]);
+			else
+				printf("%8x", pp->p_fstype);
+
+			switch (pp->p_fstype) {
+			case BSD_FS_UNUSED:
+				printf("    %5lu %5lu %5.5s ",
+					(long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, "");
+				break;
+			case BSD_FS_BSDFFS:
+				printf("    %5lu %5lu %5u ",
+					(long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, pp->p_cpg);
+				break;
+			default:
+				printf("%22.22s", "");
+				break;
+			}
+			bb_putchar('\n');
+		}
+	}
+}
+
+static void
+xbsd_write_disklabel(void)
+{
+#if defined(__alpha__)
+	printf("Writing disklabel to %s\n", disk_device);
+	xbsd_writelabel(NULL);
+#else
+	printf("Writing disklabel to %s\n",
+		partname(disk_device, xbsd_part_index + 1, 0));
+	xbsd_writelabel(xbsd_part);
+#endif
+	reread_partition_table(0);      /* no exit yet */
+}
+
+static int
+xbsd_create_disklabel(void)
+{
+	char c;
+
+#if defined(__alpha__)
+	printf("%s contains no disklabel\n", disk_device);
+#else
+	printf("%s contains no disklabel\n",
+		partname(disk_device, xbsd_part_index + 1, 0));
+#endif
+
+	while (1) {
+		c = read_nonempty("Do you want to create a disklabel? (y/n) ");
+		if ((c|0x20) == 'y') {
+			if (xbsd_initlabel(
+#if defined(__alpha__) || defined(__powerpc__) || defined(__hppa__) || \
+	defined(__s390__) || defined(__s390x__)
+				NULL
+#else
+				xbsd_part
+#endif
+			) == 1) {
+				xbsd_print_disklabel(1);
+				return 1;
+			}
+			return 0;
+		}
+		if ((c|0x20) == 'n')
+			return 0;
+	}
+}
+
+static int
+edit_int(int def, const char *mesg)
+{
+	mesg = xasprintf("%s (%u): ", mesg, def);
+	do {
+		if (!read_line(mesg))
+			goto ret;
+	} while (!isdigit(*line_ptr));
+	def = atoi(line_ptr);
+ ret:
+	free((char*)mesg);
+	return def;
+}
+
+static void
+xbsd_edit_disklabel(void)
+{
+	struct xbsd_disklabel *d;
+
+	d = &xbsd_dlabel;
+
+#if defined(__alpha__) || defined(__ia64__)
+	d->d_secsize    = edit_int(d->d_secsize     , "bytes/sector");
+	d->d_nsectors   = edit_int(d->d_nsectors    , "sectors/track");
+	d->d_ntracks    = edit_int(d->d_ntracks     , "tracks/cylinder");
+	d->d_ncylinders = edit_int(d->d_ncylinders  , "cylinders");
+#endif
+
+	/* d->d_secpercyl can be != d->d_nsectors * d->d_ntracks */
+	while (1) {
+		d->d_secpercyl = edit_int(d->d_nsectors * d->d_ntracks,
+				"sectors/cylinder");
+		if (d->d_secpercyl <= d->d_nsectors * d->d_ntracks)
+			break;
+
+		printf("Must be <= sectors/track * tracks/cylinder (default)\n");
+	}
+	d->d_rpm        = edit_int(d->d_rpm       , "rpm");
+	d->d_interleave = edit_int(d->d_interleave, "interleave");
+	d->d_trackskew  = edit_int(d->d_trackskew , "trackskew");
+	d->d_cylskew    = edit_int(d->d_cylskew   , "cylinderskew");
+	d->d_headswitch = edit_int(d->d_headswitch, "headswitch");
+	d->d_trkseek    = edit_int(d->d_trkseek   , "track-to-track seek");
+
+	d->d_secperunit = d->d_secpercyl * d->d_ncylinders;
+}
+
+static int
+xbsd_get_bootstrap(char *path, void *ptr, int size)
+{
+	int fdb;
+
+	fdb = open_or_warn(path, O_RDONLY);
+	if (fdb < 0) {
+		return 0;
+	}
+	if (full_read(fdb, ptr, size) < 0) {
+		bb_simple_perror_msg(path);
+		close(fdb);
+		return 0;
+	}
+	printf(" ... %s\n", path);
+	close(fdb);
+	return 1;
+}
+
+static void
+sync_disks(void)
+{
+	printf("Syncing disks\n");
+	sync();
+	/* sleep(4); What? */
+}
+
+static void
+xbsd_write_bootstrap(void)
+{
+	char path[MAXPATHLEN];
+	const char *bootdir = BSD_LINUX_BOOTDIR;
+	const char *dkbasename;
+	struct xbsd_disklabel dl;
+	char *d, *p, *e;
+	int sector;
+
+	if (xbsd_dlabel.d_type == BSD_DTYPE_SCSI)
+		dkbasename = "sd";
+	else
+		dkbasename = "wd";
+
+	snprintf(path, sizeof(path), "Bootstrap: %sboot -> boot%s (%s): ",
+		dkbasename, dkbasename, dkbasename);
+	if (read_line(path)) {
+		dkbasename = line_ptr;
+	}
+	snprintf(path, sizeof(path), "%s/%sboot", bootdir, dkbasename);
+	if (!xbsd_get_bootstrap(path, disklabelbuffer, (int) xbsd_dlabel.d_secsize))
+		return;
+
+/* We need a backup of the disklabel (xbsd_dlabel might have changed). */
+	d = &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE];
+	memmove(&dl, d, sizeof(struct xbsd_disklabel));
+
+/* The disklabel will be overwritten by 0's from bootxx anyway */
+	memset(d, 0, sizeof(struct xbsd_disklabel));
+
+	snprintf(path, sizeof(path), "%s/boot%s", bootdir, dkbasename);
+	if (!xbsd_get_bootstrap(path, &disklabelbuffer[xbsd_dlabel.d_secsize],
+			(int) xbsd_dlabel.d_bbsize - xbsd_dlabel.d_secsize))
+		return;
+
+	e = d + sizeof(struct xbsd_disklabel);
+	for (p = d; p < e; p++)
+		if (*p) {
+			printf("Bootstrap overlaps with disk label!\n");
+			exit(EXIT_FAILURE);
+		}
+
+	memmove(d, &dl, sizeof(struct xbsd_disklabel));
+
+#if defined(__powerpc__) || defined(__hppa__)
+	sector = 0;
+#elif defined(__alpha__)
+	sector = 0;
+	alpha_bootblock_checksum(disklabelbuffer);
+#else
+	sector = get_start_sect(xbsd_part);
+#endif
+
+	seek_sector(sector);
+	xwrite(dev_fd, disklabelbuffer, BSD_BBSIZE);
+
+#if defined(__alpha__)
+	printf("Bootstrap installed on %s\n", disk_device);
+#else
+	printf("Bootstrap installed on %s\n",
+		partname(disk_device, xbsd_part_index+1, 0));
+#endif
+
+	sync_disks();
+}
+
+static void
+xbsd_change_fstype(void)
+{
+	int i;
+
+	i = xbsd_get_part_index(xbsd_dlabel.d_npartitions);
+	xbsd_dlabel.d_partitions[i].p_fstype = read_hex(xbsd_fstypes);
+}
+
+static int
+xbsd_get_part_index(int max)
+{
+	char prompt[sizeof("Partition (a-%c): ") + 16];
+	char l;
+
+	snprintf(prompt, sizeof(prompt), "Partition (a-%c): ", 'a' + max - 1);
+	do
+		l = tolower(read_nonempty(prompt));
+	while (l < 'a' || l > 'a' + max - 1);
+	return l - 'a';
+}
+
+static int
+xbsd_check_new_partition(int *i)
+{
+	/* room for more? various BSD flavours have different maxima */
+	if (xbsd_dlabel.d_npartitions == BSD_MAXPARTITIONS) {
+		int t;
+
+		for (t = 0; t < BSD_MAXPARTITIONS; t++)
+			if (xbsd_dlabel.d_partitions[t].p_size == 0)
+				break;
+
+		if (t == BSD_MAXPARTITIONS) {
+			printf("The maximum number of partitions has been created\n");
+			return 0;
+		}
+	}
+
+	*i = xbsd_get_part_index(BSD_MAXPARTITIONS);
+
+	if (*i >= xbsd_dlabel.d_npartitions)
+		xbsd_dlabel.d_npartitions = (*i) + 1;
+
+	if (xbsd_dlabel.d_partitions[*i].p_size != 0) {
+		printf("This partition already exists\n");
+		return 0;
+	}
+
+	return 1;
+}
+
+static void
+xbsd_list_types(void)
+{
+	list_types(xbsd_fstypes);
+}
+
+static uint16_t
+xbsd_dkcksum(struct xbsd_disklabel *lp)
+{
+	uint16_t *start, *end;
+	uint16_t sum = 0;
+
+	start = (uint16_t *) lp;
+	end = (uint16_t *) &lp->d_partitions[lp->d_npartitions];
+	while (start < end)
+		sum ^= *start++;
+	return sum;
+}
+
+static int
+xbsd_initlabel(struct partition *p)
+{
+	struct xbsd_disklabel *d = &xbsd_dlabel;
+	struct xbsd_partition *pp;
+
+	get_geometry();
+	memset(d, 0, sizeof(struct xbsd_disklabel));
+
+	d->d_magic = BSD_DISKMAGIC;
+
+	if (strncmp(disk_device, "/dev/sd", 7) == 0)
+		d->d_type = BSD_DTYPE_SCSI;
+	else
+		d->d_type = BSD_DTYPE_ST506;
+
+#if !defined(__alpha__)
+	d->d_flags = BSD_D_DOSPART;
+#else
+	d->d_flags = 0;
+#endif
+	d->d_secsize = SECTOR_SIZE;           /* bytes/sector  */
+	d->d_nsectors = g_sectors;            /* sectors/track */
+	d->d_ntracks = g_heads;               /* tracks/cylinder (heads) */
+	d->d_ncylinders = g_cylinders;
+	d->d_secpercyl  = g_sectors * g_heads;/* sectors/cylinder */
+	if (d->d_secpercyl == 0)
+		d->d_secpercyl = 1;           /* avoid segfaults */
+	d->d_secperunit = d->d_secpercyl * d->d_ncylinders;
+
+	d->d_rpm = 3600;
+	d->d_interleave = 1;
+	d->d_trackskew = 0;
+	d->d_cylskew = 0;
+	d->d_headswitch = 0;
+	d->d_trkseek = 0;
+
+	d->d_magic2 = BSD_DISKMAGIC;
+	d->d_bbsize = BSD_BBSIZE;
+	d->d_sbsize = BSD_SBSIZE;
+
+#if !defined(__alpha__)
+	d->d_npartitions = 4;
+	pp = &d->d_partitions[2]; /* Partition C should be NetBSD partition */
+
+	pp->p_offset = get_start_sect(p);
+	pp->p_size   = get_nr_sects(p);
+	pp->p_fstype = BSD_FS_UNUSED;
+	pp = &d->d_partitions[3]; /* Partition D should be whole disk */
+
+	pp->p_offset = 0;
+	pp->p_size   = d->d_secperunit;
+	pp->p_fstype = BSD_FS_UNUSED;
+#else
+	d->d_npartitions = 3;
+	pp = &d->d_partitions[2]; /* Partition C should be the whole disk */
+	pp->p_offset = 0;
+	pp->p_size   = d->d_secperunit;
+	pp->p_fstype = BSD_FS_UNUSED;
+#endif
+
+	return 1;
+}
+
+/*
+ * Read a xbsd_disklabel from sector 0 or from the starting sector of p.
+ * If it has the right magic, return 1.
+ */
+static int
+xbsd_readlabel(struct partition *p)
+{
+	struct xbsd_disklabel *d;
+	int t, sector;
+
+	if (!bsd_globals_ptr)
+		bsd_globals_ptr = xzalloc(sizeof(*bsd_globals_ptr));
+
+	d = &xbsd_dlabel;
+
+	/* p is used only to get the starting sector */
+#if !defined(__alpha__)
+	sector = (p ? get_start_sect(p) : 0);
+#else
+	sector = 0;
+#endif
+
+	seek_sector(sector);
+	if (BSD_BBSIZE != full_read(dev_fd, disklabelbuffer, BSD_BBSIZE))
+		fdisk_fatal(unable_to_read);
+
+	memmove(d, &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
+			sizeof(struct xbsd_disklabel));
+
+	if (d->d_magic != BSD_DISKMAGIC || d->d_magic2 != BSD_DISKMAGIC)
+		return 0;
+
+	for (t = d->d_npartitions; t < BSD_MAXPARTITIONS; t++) {
+		d->d_partitions[t].p_size   = 0;
+		d->d_partitions[t].p_offset = 0;
+		d->d_partitions[t].p_fstype = BSD_FS_UNUSED;
+	}
+
+	if (d->d_npartitions > BSD_MAXPARTITIONS)
+		printf("Warning: too many partitions (%u, maximum is %u)\n",
+			d->d_npartitions, BSD_MAXPARTITIONS);
+	return 1;
+}
+
+static int
+xbsd_writelabel(struct partition *p)
+{
+	struct xbsd_disklabel *d = &xbsd_dlabel;
+	unsigned int sector;
+
+#if !defined(__alpha__) && !defined(__powerpc__) && !defined(__hppa__)
+	sector = get_start_sect(p) + BSD_LABELSECTOR;
+#else
+	(void)p; /* silence warning */
+	sector = BSD_LABELSECTOR;
+#endif
+
+	d->d_checksum = 0;
+	d->d_checksum = xbsd_dkcksum(d);
+
+	/* This is necessary if we want to write the bootstrap later,
+	   otherwise we'd write the old disklabel with the bootstrap.
+	*/
+	memmove(&disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
+		d, sizeof(struct xbsd_disklabel));
+
+#if defined(__alpha__) && BSD_LABELSECTOR == 0
+	alpha_bootblock_checksum(disklabelbuffer);
+	seek_sector(0);
+	xwrite(dev_fd, disklabelbuffer, BSD_BBSIZE);
+#else
+	seek_sector(sector);
+	lseek(dev_fd, BSD_LABELOFFSET, SEEK_CUR);
+	xwrite(dev_fd, d, sizeof(*d));
+#endif
+	sync_disks();
+	return 1;
+}
+
+
+#if !defined(__alpha__)
+static int
+xbsd_translate_fstype(int linux_type)
+{
+	switch (linux_type) {
+	case 0x01: /* DOS 12-bit FAT   */
+	case 0x04: /* DOS 16-bit <32M  */
+	case 0x06: /* DOS 16-bit >=32M */
+	case 0xe1: /* DOS access       */
+	case 0xe3: /* DOS R/O          */
+	case 0xf2: /* DOS secondary    */
+		return BSD_FS_MSDOS;
+	case 0x07: /* OS/2 HPFS        */
+		return BSD_FS_HPFS;
+	default:
+		return BSD_FS_OTHER;
+	}
+}
+
+static void
+xbsd_link_part(void)
+{
+	int k, i;
+	struct partition *p;
+
+	k = get_partition(1, g_partitions);
+
+	if (!xbsd_check_new_partition(&i))
+		return;
+
+	p = get_part_table(k);
+
+	xbsd_dlabel.d_partitions[i].p_size   = get_nr_sects(p);
+	xbsd_dlabel.d_partitions[i].p_offset = get_start_sect(p);
+	xbsd_dlabel.d_partitions[i].p_fstype = xbsd_translate_fstype(p->sys_ind);
+}
+#endif
+
+#if defined(__alpha__)
+static void
+alpha_bootblock_checksum(char *boot)
+{
+	uint64_t *dp, sum;
+	int i;
+
+	dp = (uint64_t *)boot;
+	sum = 0;
+	for (i = 0; i < 63; i++)
+		sum += dp[i];
+	dp[63] = sum;
+}
+#endif /* __alpha__ */
+
+/* Undefine 'global' tricks */
+#undef disklabelbuffer
+#undef xbsd_dlabel
+
+#endif /* OSF_LABEL */