2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
10 #include <sys/cdefs.h>
11 __FBSDID("$FreeBSD$");
20 #include <sys/sysctl.h>
21 #include <sys/stdint.h>
22 #include <sys/types.h>
24 #include <sys/ioctl.h>
25 #include <sys/disklabel.h>
36 const enum platform platform =
41 #elif defined(__i386__)
43 #elif defined(__alpha__)
45 #elif defined(__sparc64__)
47 #elif defined(__ia64__)
49 #elif defined(__ppc__)
51 #elif defined(__amd64__)
59 chunk_name(chunk_e type)
62 case unused: return ("unused");
63 case mbr: return ("mbr");
64 case part: return ("part");
65 case gpt: return ("gpt");
66 case pc98: return ("pc98");
67 case sun: return ("sun");
68 case freebsd: return ("freebsd");
69 case fat: return ("fat");
70 case spare: return ("spare");
71 case efi: return ("efi");
72 case apple: return ("apple");
73 default: return ("??");
78 Open_Disk(const char *name)
85 error = sysctlbyname("kern.geom.conftxt", NULL, &txtsize, NULL, 0);
87 warn("kern.geom.conftxt sysctl not available, giving up!");
90 conftxt = malloc(txtsize+1);
91 if (conftxt == NULL) {
92 warn("cannot malloc memory for conftxt");
95 error = sysctlbyname("kern.geom.conftxt", conftxt, &txtsize, NULL, 0);
97 warn("error reading kern.geom.conftxt from the system");
101 conftxt[txtsize] = '\0'; /* in case kernel bug is still there */
102 d = Int_Open_Disk(name, conftxt);
109 Debug_Disk(struct disk *d)
112 printf("Debug_Disk(%s)", d->name);
115 printf(" bios_geom=%lu/%lu/%lu = %lu\n",
116 d->bios_cyl, d->bios_hd, d->bios_sect,
117 d->bios_cyl * d->bios_hd * d->bios_sect);
119 printf(" boot1=%p, boot2=%p, bootipl=%p, bootmenu=%p\n",
120 d->boot1, d->boot2, d->bootipl, d->bootmenu);
121 #elif defined(__i386__) || defined(__amd64__)
122 printf(" boot1=%p, boot2=%p, bootmgr=%p\n",
123 d->boot1, d->boot2, d->bootmgr);
124 #elif defined(__alpha__)
125 printf(" boot1=%p, bootmgr=%p\n",
126 d->boot1, d->bootmgr);
128 /* Should be: error "Debug_Disk: unknown arch"; */
131 printf(" media size=%lu, sector size=%lu\n", d->media_size,
135 Debug_Chunk(d->chunks);
139 Free_Disk(struct disk *d)
142 Free_Chunk(d->chunks);
151 #if !defined(__ia64__)
156 #if !defined(__ia64__)
160 #if defined(__i386__) || defined(__amd64__)
169 Collapse_Disk(struct disk *d)
172 while (Collapse_Chunk(d, d->chunks))
178 qstrcmp(const void* a, const void* b)
180 const char *str1 = *(char* const*)a;
181 const char *str2 = *(char* const*)b;
183 return strcmp(str1, str2);
193 char *disklist, *disk1, *disk2;
195 error = sysctlbyname("kern.disks", NULL, &listsize, NULL, 0);
197 warn("kern.disks sysctl not available");
204 disks = malloc(sizeof *disks * (1 + MAX_NO_DISKS));
207 disk1 = disklist = (char *)malloc(listsize + 1);
208 if (disklist == NULL) {
212 memset(disks,0,sizeof *disks * (1 + MAX_NO_DISKS));
213 memset(disklist, 0, listsize + 1);
214 error = sysctlbyname("kern.disks", disklist, &listsize, NULL, 0);
215 if (error || disklist[0] == 0) {
220 for (disk_cnt = 0; disk_cnt < MAX_NO_DISKS; disk_cnt++) {
221 disk2 = strsep(&disk1, " ");
224 disks[disk_cnt] = strdup(disk2);
225 if (disks[disk_cnt] == NULL) {
226 for (disk_cnt--; disk_cnt >= 0; disk_cnt--)
227 free(disks[disk_cnt]);
233 qsort(disks, disk_cnt, sizeof(char*), qstrcmp);
240 Set_Boot_Mgr(struct disk *d, const u_char *bootipl, const size_t bootipl_size,
241 const u_char *bootmenu, const size_t bootmenu_size)
244 Set_Boot_Mgr(struct disk *d, const u_char *b, const size_t s)
247 #if !defined(__ia64__)
249 if (d->sector_size == 0)
251 if (bootipl_size % d->sector_size != 0)
258 d->bootipl_size = bootipl_size;
259 d->bootipl = malloc(bootipl_size);
262 memcpy(d->bootipl, bootipl, bootipl_size);
265 if (bootmenu_size % d->sector_size != 0)
272 d->bootmenu_size = bootmenu_size;
273 d->bootmenu = malloc(bootmenu_size);
276 memcpy(d->bootmenu, bootmenu, bootmenu_size);
279 if (d->sector_size == 0)
281 if (s % d->sector_size != 0)
289 d->bootmgr = malloc(s);
292 memcpy(d->bootmgr, b, s);
299 Set_Boot_Blocks(struct disk *d, const u_char *b1, const u_char *b2)
301 #if defined(__i386__) || defined(__amd64__)
304 d->boot1 = malloc(512);
307 memcpy(d->boot1, b1, 512);
310 d->boot2 = malloc(15 * 512);
313 memcpy(d->boot2, b2, 15 * 512);
314 #elif defined(__alpha__)
317 d->boot1 = malloc(15 * 512);
320 memcpy(d->boot1, b1, 15 * 512);
321 #elif defined(__sparc64__)
322 if (d->boot1 != NULL)
324 d->boot1 = malloc(16 * 512);
325 if (d->boot1 == NULL)
327 memcpy(d->boot1, b1, 16 * 512);
328 #elif defined(__ia64__)
331 /* Should be: #error "Set_Boot_Blocks: unknown arch"; */
337 slice_type_name( int type, int subtype )
345 case 1: return "fat (12-bit)";
346 case 2: return "XENIX /";
347 case 3: return "XENIX /usr";
348 case 4: return "fat (16-bit,<=32Mb)";
349 case 5: return "extended DOS";
350 case 6: return "fat (16-bit,>32Mb)";
351 case 7: return "NTFS/HPFS/QNX";
352 case 8: return "AIX bootable";
353 case 9: return "AIX data";
354 case 10: return "OS/2 bootmgr";
355 case 11: return "fat (32-bit)";
356 case 12: return "fat (32-bit,LBA)";
357 case 14: return "fat (16-bit,>32Mb,LBA)";
358 case 15: return "extended DOS, LBA";
359 case 18: return "Compaq Diagnostic";
360 case 57: return "Plan 9";
361 case 77: return "QNX 4.X";
362 case 78: return "QNX 4.X 2nd part";
363 case 79: return "QNX 4.X 3rd part";
364 case 84: return "OnTrack diskmgr";
365 case 100: return "Netware 2.x";
366 case 101: return "Netware 3.x";
367 case 115: return "SCO UnixWare";
368 case 128: return "Minix 1.1";
369 case 129: return "Minix 1.5";
370 case 130: return "linux_swap";
371 case 131: return "ext2fs";
372 case 133: return "linux extended";
373 case 166: return "OpenBSD FFS"; /* 0xA6 */
374 case 168: return "Mac OS-X";
375 case 169: return "NetBSD FFS"; /* 0xA9 */
376 case 171: return "Mac OS-X Boot";
377 case 182: return "OpenBSD"; /* dedicated */
378 case 183: return "bsd/os";
379 case 184: return "bsd/os swap";
380 case 191: return "Solaris (new)";
381 case 238: return "EFI GPT";
382 case 239: return "EFI Sys. Part.";
383 default: return "unknown";
390 case 0xc494: return "freebsd";
392 case 165: return "freebsd";
394 default: return "unknown";