1 #ifdef CONFIG_FEATURE_OSF_LABEL
3 * Copyright (c) 1987, 1988 Regents of the University of California.
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16 * This product includes software developed by the University of
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37 #define BSD_DISKMAGIC ((uint32_t) 0x82564557)
40 #ifndef BSD_MAXPARTITIONS
41 #define BSD_MAXPARTITIONS 16
44 #define BSD_LINUX_BOOTDIR "/usr/ucb/mdec"
46 #if defined (i386) || defined (__sparc__) || defined (__arm__) || defined (__m68k__) || defined (__mips__) || defined (__s390__) || defined (__sh__) || defined(__x86_64__)
47 #define BSD_LABELSECTOR 1
48 #define BSD_LABELOFFSET 0
49 #elif defined (__alpha__) || defined (__powerpc__) || defined (__ia64__) || defined (__hppa__)
50 #define BSD_LABELSECTOR 0
51 #define BSD_LABELOFFSET 64
52 #elif defined (__s390__) || defined (__s390x__)
53 #define BSD_LABELSECTOR 1
54 #define BSD_LABELOFFSET 0
56 #error unknown architecture
59 #define BSD_BBSIZE 8192 /* size of boot area, with label */
60 #define BSD_SBSIZE 8192 /* max size of fs superblock */
62 struct xbsd_disklabel {
63 uint32_t d_magic; /* the magic number */
64 int16_t d_type; /* drive type */
65 int16_t d_subtype; /* controller/d_type specific */
66 char d_typename[16]; /* type name, e.g. "eagle" */
67 char d_packname[16]; /* pack identifier */
69 uint32_t d_secsize; /* # of bytes per sector */
70 uint32_t d_nsectors; /* # of data sectors per track */
71 uint32_t d_ntracks; /* # of tracks per cylinder */
72 uint32_t d_ncylinders; /* # of data cylinders per unit */
73 uint32_t d_secpercyl; /* # of data sectors per cylinder */
74 uint32_t d_secperunit; /* # of data sectors per unit */
76 * Spares (bad sector replacements) below
77 * are not counted in d_nsectors or d_secpercyl.
78 * Spare sectors are assumed to be physical sectors
79 * which occupy space at the end of each track and/or cylinder.
81 uint16_t d_sparespertrack; /* # of spare sectors per track */
82 uint16_t d_sparespercyl; /* # of spare sectors per cylinder */
84 * Alternate cylinders include maintenance, replacement,
85 * configuration description areas, etc.
87 uint32_t d_acylinders; /* # of alt. cylinders per unit */
89 /* hardware characteristics: */
91 * d_interleave, d_trackskew and d_cylskew describe perturbations
92 * in the media format used to compensate for a slow controller.
93 * Interleave is physical sector interleave, set up by the formatter
94 * or controller when formatting. When interleaving is in use,
95 * logically adjacent sectors are not physically contiguous,
96 * but instead are separated by some number of sectors.
97 * It is specified as the ratio of physical sectors traversed
98 * per logical sector. Thus an interleave of 1:1 implies contiguous
99 * layout, while 2:1 implies that logical sector 0 is separated
100 * by one sector from logical sector 1.
101 * d_trackskew is the offset of sector 0 on track N
102 * relative to sector 0 on track N-1 on the same cylinder.
103 * Finally, d_cylskew is the offset of sector 0 on cylinder N
104 * relative to sector 0 on cylinder N-1.
106 uint16_t d_rpm; /* rotational speed */
107 uint16_t d_interleave; /* hardware sector interleave */
108 uint16_t d_trackskew; /* sector 0 skew, per track */
109 uint16_t d_cylskew; /* sector 0 skew, per cylinder */
110 uint32_t d_headswitch; /* head switch time, usec */
111 uint32_t d_trkseek; /* track-to-track seek, usec */
112 uint32_t d_flags; /* generic flags */
114 uint32_t d_drivedata[NDDATA]; /* drive-type specific information */
116 uint32_t d_spare[NSPARE]; /* reserved for future use */
117 uint32_t d_magic2; /* the magic number (again) */
118 uint16_t d_checksum; /* xor of data incl. partitions */
119 /* filesystem and partition information: */
120 uint16_t d_npartitions; /* number of partitions in following */
121 uint32_t d_bbsize; /* size of boot area at sn0, bytes */
122 uint32_t d_sbsize; /* max size of fs superblock, bytes */
123 struct xbsd_partition { /* the partition table */
124 uint32_t p_size; /* number of sectors in partition */
125 uint32_t p_offset; /* starting sector */
126 uint32_t p_fsize; /* filesystem basic fragment size */
127 uint8_t p_fstype; /* filesystem type, see below */
128 uint8_t p_frag; /* filesystem fragments per block */
129 uint16_t p_cpg; /* filesystem cylinders per group */
130 } d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
134 #define BSD_DTYPE_SMD 1 /* SMD, XSMD; VAX hp/up */
135 #define BSD_DTYPE_MSCP 2 /* MSCP */
136 #define BSD_DTYPE_DEC 3 /* other DEC (rk, rl) */
137 #define BSD_DTYPE_SCSI 4 /* SCSI */
138 #define BSD_DTYPE_ESDI 5 /* ESDI interface */
139 #define BSD_DTYPE_ST506 6 /* ST506 etc. */
140 #define BSD_DTYPE_HPIB 7 /* CS/80 on HP-IB */
141 #define BSD_DTYPE_HPFL 8 /* HP Fiber-link */
142 #define BSD_DTYPE_FLOPPY 10 /* floppy */
144 /* d_subtype values: */
145 #define BSD_DSTYPE_INDOSPART 0x8 /* is inside dos partition */
146 #define BSD_DSTYPE_DOSPART(s) ((s) & 3) /* dos partition number */
147 #define BSD_DSTYPE_GEOMETRY 0x10 /* drive params in label */
149 static const char * const xbsd_dktypenames[] = {
163 #define BSD_DKMAXTYPES (sizeof(xbsd_dktypenames) / sizeof(xbsd_dktypenames[0]) - 1)
166 * Filesystem type and version.
167 * Used to interpret other filesystem-specific
168 * per-partition information.
170 #define BSD_FS_UNUSED 0 /* unused */
171 #define BSD_FS_SWAP 1 /* swap */
172 #define BSD_FS_V6 2 /* Sixth Edition */
173 #define BSD_FS_V7 3 /* Seventh Edition */
174 #define BSD_FS_SYSV 4 /* System V */
175 #define BSD_FS_V71K 5 /* V7 with 1K blocks (4.1, 2.9) */
176 #define BSD_FS_V8 6 /* Eighth Edition, 4K blocks */
177 #define BSD_FS_BSDFFS 7 /* 4.2BSD fast file system */
178 #define BSD_FS_BSDLFS 9 /* 4.4BSD log-structured file system */
179 #define BSD_FS_OTHER 10 /* in use, but unknown/unsupported */
180 #define BSD_FS_HPFS 11 /* OS/2 high-performance file system */
181 #define BSD_FS_ISO9660 12 /* ISO-9660 filesystem (cdrom) */
182 #define BSD_FS_ISOFS BSD_FS_ISO9660
183 #define BSD_FS_BOOT 13 /* partition contains bootstrap */
184 #define BSD_FS_ADOS 14 /* AmigaDOS fast file system */
185 #define BSD_FS_HFS 15 /* Macintosh HFS */
186 #define BSD_FS_ADVFS 16 /* Digital Unix AdvFS */
188 /* this is annoying, but it's also the way it is :-( */
190 #define BSD_FS_EXT2 8 /* ext2 file system */
192 #define BSD_FS_MSDOS 8 /* MS-DOS file system */
195 static const struct systypes xbsd_fstypes[] = {
196 { "\x00" "unused" }, /* BSD_FS_UNUSED */
197 { "\x01" "swap" }, /* BSD_FS_SWAP */
198 { "\x02" "Version 6" }, /* BSD_FS_V6 */
199 { "\x03" "Version 7" }, /* BSD_FS_V7 */
200 { "\x04" "System V" }, /* BSD_FS_SYSV */
201 { "\x05" "4.1BSD" }, /* BSD_FS_V71K */
202 { "\x06" "Eighth Edition" }, /* BSD_FS_V8 */
203 { "\x07" "4.2BSD" }, /* BSD_FS_BSDFFS */
205 { "\x08" "ext2" }, /* BSD_FS_EXT2 */
207 { "\x08" "MS-DOS" }, /* BSD_FS_MSDOS */
209 { "\x09" "4.4LFS" }, /* BSD_FS_BSDLFS */
210 { "\x0a" "unknown" }, /* BSD_FS_OTHER */
211 { "\x0b" "HPFS" }, /* BSD_FS_HPFS */
212 { "\x0c" "ISO-9660" }, /* BSD_FS_ISO9660 */
213 { "\x0d" "boot" }, /* BSD_FS_BOOT */
214 { "\x0e" "ADOS" }, /* BSD_FS_ADOS */
215 { "\x0f" "HFS" }, /* BSD_FS_HFS */
216 { "\x10" "AdvFS" }, /* BSD_FS_ADVFS */
219 #define BSD_FSMAXTYPES (SIZE(xbsd_fstypes)-1)
223 * flags shared by various drives:
225 #define BSD_D_REMOVABLE 0x01 /* removable media */
226 #define BSD_D_ECC 0x02 /* supports ECC */
227 #define BSD_D_BADSECT 0x04 /* supports bad sector forw. */
228 #define BSD_D_RAMDISK 0x08 /* disk emulator */
229 #define BSD_D_CHAIN 0x10 /* can do back-back transfers */
230 #define BSD_D_DOSPART 0x20 /* within MSDOS partition */
234 19990319 - Arnaldo Carvalho de Melo <acme@conectiva.com.br> - i18n/nls
236 20000101 - David Huggins-Daines <dhuggins@linuxcare.com> - Better
237 support for OSF/1 disklabels on Alpha.
238 Also fixed unaligned accesses in alpha_bootblock_checksum()
241 static int possibly_osf_label;
243 #define FREEBSD_PARTITION 0xa5
244 #define NETBSD_PARTITION 0xa9
246 static void xbsd_delete_part(void);
247 static void xbsd_new_part(void);
248 static void xbsd_write_disklabel(void);
249 static int xbsd_create_disklabel(void);
250 static void xbsd_edit_disklabel(void);
251 static void xbsd_write_bootstrap(void);
252 static void xbsd_change_fstype(void);
253 static int xbsd_get_part_index(int max);
254 static int xbsd_check_new_partition(int *i);
255 static void xbsd_list_types(void);
256 static u_short xbsd_dkcksum(struct xbsd_disklabel *lp);
257 static int xbsd_initlabel(struct partition *p, struct xbsd_disklabel *d);
258 static int xbsd_readlabel(struct partition *p, struct xbsd_disklabel *d);
259 static int xbsd_writelabel(struct partition *p, struct xbsd_disklabel *d);
261 #if defined (__alpha__)
262 static void alpha_bootblock_checksum(char *boot);
265 #if !defined (__alpha__)
266 static int xbsd_translate_fstype(int linux_type);
267 static void xbsd_link_part(void);
268 static struct partition *xbsd_part;
269 static int xbsd_part_index;
272 #if defined (__alpha__)
273 /* We access this through a uint64_t * when checksumming */
274 static char disklabelbuffer[BSD_BBSIZE] ATTRIBUTE_ALIGNED(8);
276 static char disklabelbuffer[BSD_BBSIZE];
279 static struct xbsd_disklabel xbsd_dlabel;
281 #define bsd_cround(n) \
282 (display_in_cyl_units ? ((n)/xbsd_dlabel.d_secpercyl) + 1 : (n))
285 * Test whether the whole disk has BSD disk label magic.
287 * Note: often reformatting with DOS-type label leaves the BSD magic,
288 * so this does not mean that there is a BSD disk label.
291 check_osf_label(void)
293 if (xbsd_readlabel(NULL, &xbsd_dlabel) == 0)
299 btrydev(const char * dev)
301 if (xbsd_readlabel (NULL, &xbsd_dlabel) == 0)
303 printf(_("\nBSD label for device: %s\n"), dev);
304 xbsd_print_disklabel (0);
311 puts (_("Command action"));
312 puts (_("\td\tdelete a BSD partition"));
313 puts (_("\te\tedit drive data"));
314 puts (_("\ti\tinstall bootstrap"));
315 puts (_("\tl\tlist known filesystem types"));
316 puts (_("\tm\tprint this menu"));
317 puts (_("\tn\tadd a new BSD partition"));
318 puts (_("\tp\tprint BSD partition table"));
319 puts (_("\tq\tquit without saving changes"));
320 puts (_("\tr\treturn to main menu"));
321 puts (_("\ts\tshow complete disklabel"));
322 puts (_("\tt\tchange a partition's filesystem id"));
323 puts (_("\tu\tchange units (cylinders/sectors)"));
324 puts (_("\tw\twrite disklabel to disk"));
325 #if !defined (__alpha__)
326 puts (_("\tx\tlink BSD partition to non-BSD partition"));
330 #if !defined (__alpha__)
338 is_bsd_partition_type(int type)
340 return (type == FREEBSD_PARTITION ||
341 type == hidden(FREEBSD_PARTITION) ||
342 type == NETBSD_PARTITION ||
343 type == hidden(NETBSD_PARTITION));
350 #if !defined (__alpha__)
354 for (t = 0; t < 4; t++) {
355 p = get_part_table(t);
356 if (p && is_bsd_partition_type(p->sys_ind)) {
359 ss = get_start_sect(xbsd_part);
361 fprintf(stderr, _("Partition %s has invalid starting sector 0.\n"),
362 partname(disk_device, t+1, 0));
365 printf(_("Reading disklabel of %s at sector %d.\n"),
366 partname(disk_device, t+1, 0), ss + BSD_LABELSECTOR);
367 if (xbsd_readlabel(xbsd_part, &xbsd_dlabel) == 0)
368 if (xbsd_create_disklabel() == 0)
375 printf(_("There is no *BSD partition on %s.\n"), disk_device);
379 #elif defined (__alpha__)
381 if (xbsd_readlabel(NULL, &xbsd_dlabel) == 0)
382 if (xbsd_create_disklabel() == 0)
389 switch (tolower(read_nonempty(_("BSD disklabel command (m for help): ")))) {
394 xbsd_edit_disklabel();
397 xbsd_write_bootstrap();
406 xbsd_print_disklabel(0);
414 xbsd_print_disklabel(1);
417 xbsd_change_fstype();
423 xbsd_write_disklabel();
425 #if !defined (__alpha__)
438 xbsd_delete_part(void)
442 i = xbsd_get_part_index(xbsd_dlabel.d_npartitions);
443 xbsd_dlabel.d_partitions[i].p_size = 0;
444 xbsd_dlabel.d_partitions[i].p_offset = 0;
445 xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
446 if (xbsd_dlabel.d_npartitions == i + 1)
447 while (xbsd_dlabel.d_partitions[xbsd_dlabel.d_npartitions-1].p_size == 0)
448 xbsd_dlabel.d_npartitions--;
458 if (!xbsd_check_new_partition(&i))
461 #if !defined (__alpha__) && !defined (__powerpc__) && !defined (__hppa__)
462 begin = get_start_sect(xbsd_part);
463 end = begin + get_nr_sects(xbsd_part) - 1;
466 end = xbsd_dlabel.d_secperunit - 1;
469 snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
470 begin = read_int(bsd_cround(begin), bsd_cround(begin), bsd_cround(end),
473 if (display_in_cyl_units)
474 begin = (begin - 1) * xbsd_dlabel.d_secpercyl;
476 snprintf(mesg, sizeof(mesg), _("Last %s or +size or +sizeM or +sizeK"),
477 str_units(SINGULAR));
478 end = read_int(bsd_cround (begin), bsd_cround (end), bsd_cround (end),
479 bsd_cround (begin), mesg);
481 if (display_in_cyl_units)
482 end = end * xbsd_dlabel.d_secpercyl - 1;
484 xbsd_dlabel.d_partitions[i].p_size = end - begin + 1;
485 xbsd_dlabel.d_partitions[i].p_offset = begin;
486 xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
490 xbsd_print_disklabel(int show_all)
492 struct xbsd_disklabel *lp = &xbsd_dlabel;
493 struct xbsd_partition *pp;
497 #if defined (__alpha__)
498 printf("# %s:\n", disk_device);
500 printf("# %s:\n", partname(disk_device, xbsd_part_index+1, 0));
502 if ((unsigned) lp->d_type < BSD_DKMAXTYPES)
503 printf(_("type: %s\n"), xbsd_dktypenames[lp->d_type]);
505 printf(_("type: %d\n"), lp->d_type);
506 printf(_("disk: %.*s\n"), (int) sizeof(lp->d_typename), lp->d_typename);
507 printf(_("label: %.*s\n"), (int) sizeof(lp->d_packname), lp->d_packname);
509 if (lp->d_flags & BSD_D_REMOVABLE)
510 printf(_(" removable"));
511 if (lp->d_flags & BSD_D_ECC)
513 if (lp->d_flags & BSD_D_BADSECT)
514 printf(_(" badsect"));
516 /* On various machines the fields of *lp are short/int/long */
517 /* In order to avoid problems, we cast them all to long. */
518 printf(_("bytes/sector: %ld\n"), (long) lp->d_secsize);
519 printf(_("sectors/track: %ld\n"), (long) lp->d_nsectors);
520 printf(_("tracks/cylinder: %ld\n"), (long) lp->d_ntracks);
521 printf(_("sectors/cylinder: %ld\n"), (long) lp->d_secpercyl);
522 printf(_("cylinders: %ld\n"), (long) lp->d_ncylinders);
523 printf(_("rpm: %d\n"), lp->d_rpm);
524 printf(_("interleave: %d\n"), lp->d_interleave);
525 printf(_("trackskew: %d\n"), lp->d_trackskew);
526 printf(_("cylinderskew: %d\n"), lp->d_cylskew);
527 printf(_("headswitch: %ld\t\t# milliseconds\n"),
528 (long) lp->d_headswitch);
529 printf(_("track-to-track seek: %ld\t# milliseconds\n"),
530 (long) lp->d_trkseek);
531 printf(_("drivedata: "));
532 for (i = NDDATA - 1; i >= 0; i--)
533 if (lp->d_drivedata[i])
537 for (j = 0; j <= i; j++)
538 printf("%ld ", (long) lp->d_drivedata[j]);
540 printf(_("\n%d partitions:\n"), lp->d_npartitions);
541 printf(_("# start end size fstype [fsize bsize cpg]\n"));
542 pp = lp->d_partitions;
543 for (i = 0; i < lp->d_npartitions; i++, pp++) {
545 if (display_in_cyl_units && lp->d_secpercyl) {
546 printf(" %c: %8ld%c %8ld%c %8ld%c ",
548 (long) pp->p_offset / lp->d_secpercyl + 1,
549 (pp->p_offset % lp->d_secpercyl) ? '*' : ' ',
550 (long) (pp->p_offset + pp->p_size + lp->d_secpercyl - 1) / lp->d_secpercyl,
551 ((pp->p_offset + pp->p_size) % lp->d_secpercyl) ? '*' : ' ',
552 (long) pp->p_size / lp->d_secpercyl,
553 (pp->p_size % lp->d_secpercyl) ? '*' : ' '
556 printf(" %c: %8ld %8ld %8ld ",
559 (long) pp->p_offset + pp->p_size - 1,
564 if ((unsigned) pp->p_fstype < BSD_FSMAXTYPES)
565 printf("%8.8s", xbsd_fstypes[pp->p_fstype].name);
567 printf("%8x", pp->p_fstype);
569 switch (pp->p_fstype) {
571 printf(" %5ld %5ld %5.5s ",
572 (long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, "");
575 printf(" %5ld %5ld %5d ",
576 (long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, pp->p_cpg);
579 printf("%22.22s", "");
588 xbsd_write_disklabel(void)
590 #if defined (__alpha__)
591 printf(_("Writing disklabel to %s.\n"), disk_device);
592 xbsd_writelabel(NULL, &xbsd_dlabel);
594 printf(_("Writing disklabel to %s.\n"),
595 partname(disk_device, xbsd_part_index + 1, 0));
596 xbsd_writelabel(xbsd_part, &xbsd_dlabel);
598 reread_partition_table(0); /* no exit yet */
602 xbsd_create_disklabel(void)
606 #if defined (__alpha__)
607 fprintf(stderr, _("%s contains no disklabel.\n"), disk_device);
609 fprintf(stderr, _("%s contains no disklabel.\n"),
610 partname(disk_device, xbsd_part_index + 1, 0));
614 c = read_nonempty(_("Do you want to create a disklabel? (y/n) "));
615 if (c == 'y' || c == 'Y') {
617 #if defined (__alpha__) || defined (__powerpc__) || defined (__hppa__) || \
618 defined (__s390__) || defined (__s390x__)
621 xbsd_part, &xbsd_dlabel/* not used, xbsd_part_index*/
624 xbsd_print_disklabel (1);
634 edit_int(int def, char *mesg)
638 printf(" (%d): ", def);
641 } while (!isdigit(*line_ptr));
642 return atoi(line_ptr);
646 xbsd_edit_disklabel(void)
648 struct xbsd_disklabel *d;
652 #if defined (__alpha__) || defined (__ia64__)
653 d->d_secsize = (u_long) edit_int((u_long) d->d_secsize ,_("bytes/sector"));
654 d->d_nsectors = (u_long) edit_int((u_long) d->d_nsectors ,_("sectors/track"));
655 d->d_ntracks = (u_long) edit_int((u_long) d->d_ntracks ,_("tracks/cylinder"));
656 d->d_ncylinders = (u_long) edit_int((u_long) d->d_ncylinders ,_("cylinders"));
659 /* d->d_secpercyl can be != d->d_nsectors * d->d_ntracks */
661 d->d_secpercyl = (u_long) edit_int((u_long) d->d_nsectors * d->d_ntracks,
662 _("sectors/cylinder"));
663 if (d->d_secpercyl <= d->d_nsectors * d->d_ntracks)
666 printf(_("Must be <= sectors/track * tracks/cylinder (default).\n"));
668 d->d_rpm = (u_short) edit_int((u_short) d->d_rpm ,_("rpm"));
669 d->d_interleave = (u_short) edit_int((u_short) d->d_interleave,_("interleave"));
670 d->d_trackskew = (u_short) edit_int((u_short) d->d_trackskew ,_("trackskew"));
671 d->d_cylskew = (u_short) edit_int((u_short) d->d_cylskew ,_("cylinderskew"));
672 d->d_headswitch = (u_long) edit_int((u_long) d->d_headswitch ,_("headswitch"));
673 d->d_trkseek = (u_long) edit_int((u_long) d->d_trkseek ,_("track-to-track seek"));
675 d->d_secperunit = d->d_secpercyl * d->d_ncylinders;
679 xbsd_get_bootstrap (char *path, void *ptr, int size)
683 if ((fdb = open (path, O_RDONLY)) < 0) {
687 if (read(fdb, ptr, size) < 0) {
692 printf(" ... %s\n", path);
700 printf(_("\nSyncing disks.\n"));
702 sleep(4); /* What? */
706 xbsd_write_bootstrap(void)
708 char *bootdir = BSD_LINUX_BOOTDIR;
709 char path[MAXPATHLEN];
711 struct xbsd_disklabel dl;
715 if (xbsd_dlabel.d_type == BSD_DTYPE_SCSI)
720 printf(_("Bootstrap: %sboot -> boot%s (%s): "),
721 dkbasename, dkbasename, dkbasename);
723 line_ptr[strlen(line_ptr)-1] = '\0';
724 dkbasename = line_ptr;
726 snprintf(path, sizeof(path), "%s/%sboot", bootdir, dkbasename);
727 if (!xbsd_get_bootstrap(path, disklabelbuffer, (int) xbsd_dlabel.d_secsize))
730 /* We need a backup of the disklabel (xbsd_dlabel might have changed). */
731 d = &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE];
732 memmove(&dl, d, sizeof(struct xbsd_disklabel));
734 /* The disklabel will be overwritten by 0's from bootxx anyway */
735 memset(d, 0, sizeof(struct xbsd_disklabel));
737 snprintf(path, sizeof(path), "%s/boot%s", bootdir, dkbasename);
738 if (!xbsd_get_bootstrap (path, &disklabelbuffer[xbsd_dlabel.d_secsize],
739 (int) xbsd_dlabel.d_bbsize - xbsd_dlabel.d_secsize))
742 e = d + sizeof(struct xbsd_disklabel);
743 for (p = d; p < e; p++)
745 fprintf(stderr, _("Bootstrap overlaps with disk label!\n"));
749 memmove(d, &dl, sizeof(struct xbsd_disklabel));
751 #if defined (__powerpc__) || defined (__hppa__)
753 #elif defined (__alpha__)
755 alpha_bootblock_checksum(disklabelbuffer);
757 sector = get_start_sect(xbsd_part);
760 if (lseek(fd, sector * SECTOR_SIZE, SEEK_SET) == -1)
761 fdisk_fatal(unable_to_seek);
762 if (BSD_BBSIZE != write(fd, disklabelbuffer, BSD_BBSIZE))
763 fdisk_fatal(unable_to_write);
765 #if defined (__alpha__)
766 printf(_("Bootstrap installed on %s.\n"), disk_device);
768 printf(_("Bootstrap installed on %s.\n"),
769 partname (disk_device, xbsd_part_index+1, 0));
776 xbsd_change_fstype(void)
780 i = xbsd_get_part_index(xbsd_dlabel.d_npartitions);
781 xbsd_dlabel.d_partitions[i].p_fstype = read_hex(xbsd_fstypes);
785 xbsd_get_part_index(int max)
790 snprintf(prompt, sizeof(prompt), _("Partition (a-%c): "), 'a' + max - 1);
792 l = tolower(read_nonempty(prompt));
793 while (l < 'a' || l > 'a' + max - 1);
798 xbsd_check_new_partition(int *i)
800 /* room for more? various BSD flavours have different maxima */
801 if (xbsd_dlabel.d_npartitions == BSD_MAXPARTITIONS) {
804 for (t = 0; t < BSD_MAXPARTITIONS; t++)
805 if (xbsd_dlabel.d_partitions[t].p_size == 0)
808 if (t == BSD_MAXPARTITIONS) {
809 fprintf(stderr, _("The maximum number of partitions "
810 "has been created\n"));
815 *i = xbsd_get_part_index (BSD_MAXPARTITIONS);
817 if (*i >= xbsd_dlabel.d_npartitions)
818 xbsd_dlabel.d_npartitions = (*i) + 1;
820 if (xbsd_dlabel.d_partitions[*i].p_size != 0) {
821 fprintf(stderr, _("This partition already exists.\n"));
829 xbsd_list_types(void)
831 list_types(xbsd_fstypes);
835 xbsd_dkcksum(struct xbsd_disklabel *lp)
837 u_short *start, *end;
840 start = (u_short *) lp;
841 end = (u_short *) &lp->d_partitions[lp->d_npartitions];
848 xbsd_initlabel(struct partition *p, struct xbsd_disklabel *d)
850 struct xbsd_partition *pp;
853 memset(d, 0, sizeof(struct xbsd_disklabel));
855 d->d_magic = BSD_DISKMAGIC;
857 if (strncmp(disk_device, "/dev/sd", 7) == 0)
858 d->d_type = BSD_DTYPE_SCSI;
860 d->d_type = BSD_DTYPE_ST506;
862 #if !defined (__alpha__)
863 d->d_flags = BSD_D_DOSPART;
867 d->d_secsize = SECTOR_SIZE; /* bytes/sector */
868 d->d_nsectors = sectors; /* sectors/track */
869 d->d_ntracks = heads; /* tracks/cylinder (heads) */
870 d->d_ncylinders = cylinders;
871 d->d_secpercyl = sectors * heads;/* sectors/cylinder */
872 if (d->d_secpercyl == 0)
873 d->d_secpercyl = 1; /* avoid segfaults */
874 d->d_secperunit = d->d_secpercyl * d->d_ncylinders;
883 d->d_magic2 = BSD_DISKMAGIC;
884 d->d_bbsize = BSD_BBSIZE;
885 d->d_sbsize = BSD_SBSIZE;
887 #if !defined (__alpha__)
888 d->d_npartitions = 4;
889 pp = &d->d_partitions[2]; /* Partition C should be
890 the NetBSD partition */
891 pp->p_offset = get_start_sect(p);
892 pp->p_size = get_nr_sects(p);
893 pp->p_fstype = BSD_FS_UNUSED;
894 pp = &d->d_partitions[3]; /* Partition D should be
897 pp->p_size = d->d_secperunit;
898 pp->p_fstype = BSD_FS_UNUSED;
899 #elif defined (__alpha__)
900 d->d_npartitions = 3;
901 pp = &d->d_partitions[2]; /* Partition C should be
904 pp->p_size = d->d_secperunit;
905 pp->p_fstype = BSD_FS_UNUSED;
912 * Read a xbsd_disklabel from sector 0 or from the starting sector of p.
913 * If it has the right magic, return 1.
916 xbsd_readlabel (struct partition *p, struct xbsd_disklabel *d)
920 /* p is used only to get the starting sector */
921 #if !defined (__alpha__)
922 sector = (p ? get_start_sect(p) : 0);
923 #elif defined (__alpha__)
927 if (lseek(fd, sector * SECTOR_SIZE, SEEK_SET) == -1)
928 fdisk_fatal(unable_to_seek);
929 if (BSD_BBSIZE != read(fd, disklabelbuffer, BSD_BBSIZE))
930 fdisk_fatal(unable_to_read);
932 memmove(d, &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
933 sizeof(struct xbsd_disklabel));
935 if (d->d_magic != BSD_DISKMAGIC || d->d_magic2 != BSD_DISKMAGIC)
938 for (t = d->d_npartitions; t < BSD_MAXPARTITIONS; t++) {
939 d->d_partitions[t].p_size = 0;
940 d->d_partitions[t].p_offset = 0;
941 d->d_partitions[t].p_fstype = BSD_FS_UNUSED;
944 if (d->d_npartitions > BSD_MAXPARTITIONS)
945 fprintf(stderr, _("Warning: too many partitions "
946 "(%d, maximum is %d).\n"),
947 d->d_npartitions, BSD_MAXPARTITIONS);
952 xbsd_writelabel (struct partition *p, struct xbsd_disklabel *d)
956 #if !defined (__alpha__) && !defined (__powerpc__) && !defined (__hppa__)
957 sector = get_start_sect(p) + BSD_LABELSECTOR;
959 sector = BSD_LABELSECTOR;
963 d->d_checksum = xbsd_dkcksum (d);
965 /* This is necessary if we want to write the bootstrap later,
966 otherwise we'd write the old disklabel with the bootstrap.
968 memmove(&disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
969 d, sizeof(struct xbsd_disklabel));
971 #if defined (__alpha__) && BSD_LABELSECTOR == 0
972 alpha_bootblock_checksum (disklabelbuffer);
973 if (lseek(fd, 0, SEEK_SET) == -1)
974 fdisk_fatal(unable_to_seek);
975 if (BSD_BBSIZE != write(fd, disklabelbuffer, BSD_BBSIZE))
976 fdisk_fatal(unable_to_write);
978 if (lseek(fd, sector * SECTOR_SIZE + BSD_LABELOFFSET, SEEK_SET) == -1)
979 fdisk_fatal(unable_to_seek);
980 if (sizeof(struct xbsd_disklabel) != write(fd, d, sizeof(struct xbsd_disklabel)))
981 fdisk_fatal(unable_to_write);
988 #if !defined (__alpha__)
990 xbsd_translate_fstype(int linux_type)
992 switch (linux_type) {
993 case 0x01: /* DOS 12-bit FAT */
994 case 0x04: /* DOS 16-bit <32M */
995 case 0x06: /* DOS 16-bit >=32M */
996 case 0xe1: /* DOS access */
997 case 0xe3: /* DOS R/O */
998 case 0xf2: /* DOS secondary */
1000 case 0x07: /* OS/2 HPFS */
1003 return BSD_FS_OTHER;
1008 xbsd_link_part(void)
1011 struct partition *p;
1013 k = get_partition(1, partitions);
1015 if (!xbsd_check_new_partition(&i))
1018 p = get_part_table(k);
1020 xbsd_dlabel.d_partitions[i].p_size = get_nr_sects(p);
1021 xbsd_dlabel.d_partitions[i].p_offset = get_start_sect(p);
1022 xbsd_dlabel.d_partitions[i].p_fstype = xbsd_translate_fstype(p->sys_ind);
1026 #if defined (__alpha__)
1028 #if !defined(__GLIBC__)
1029 typedef unsigned long long uint64_t;
1033 alpha_bootblock_checksum(char *boot)
1038 dp = (uint64_t *)boot;
1040 for (i = 0; i < 63; i++)
1044 #endif /* __alpha__ */
1046 #endif /* OSF_LABEL */