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__)
53 #elif defined(__arm__)
61 chunk_name(chunk_e type)
64 case unused: return ("unused");
65 case mbr: return ("mbr");
66 case part: return ("part");
67 case gpt: return ("gpt");
68 case pc98: return ("pc98");
69 case sun: return ("sun");
70 case freebsd: return ("freebsd");
71 case fat: return ("fat");
72 case spare: return ("spare");
73 case efi: return ("efi");
74 case apple: return ("apple");
75 default: return ("??");
80 Open_Disk(const char *name)
87 error = sysctlbyname("kern.geom.conftxt", NULL, &txtsize, NULL, 0);
89 warn("kern.geom.conftxt sysctl not available, giving up!");
92 conftxt = malloc(txtsize+1);
93 if (conftxt == NULL) {
94 warn("cannot malloc memory for conftxt");
97 error = sysctlbyname("kern.geom.conftxt", conftxt, &txtsize, NULL, 0);
99 warn("error reading kern.geom.conftxt from the system");
103 conftxt[txtsize] = '\0'; /* in case kernel bug is still there */
104 d = Int_Open_Disk(name, conftxt);
111 Debug_Disk(struct disk *d)
114 printf("Debug_Disk(%s)", d->name);
117 printf(" bios_geom=%lu/%lu/%lu = %lu\n",
118 d->bios_cyl, d->bios_hd, d->bios_sect,
119 d->bios_cyl * d->bios_hd * d->bios_sect);
121 printf(" boot1=%p, boot2=%p, bootipl=%p, bootmenu=%p\n",
122 d->boot1, d->boot2, d->bootipl, d->bootmenu);
123 #elif defined(__i386__) || defined(__amd64__)
124 printf(" boot1=%p, boot2=%p, bootmgr=%p\n",
125 d->boot1, d->boot2, d->bootmgr);
126 #elif defined(__alpha__)
127 printf(" boot1=%p, bootmgr=%p\n",
128 d->boot1, d->bootmgr);
130 /* Should be: error "Debug_Disk: unknown arch"; */
133 printf(" media size=%lu, sector size=%lu\n", d->media_size,
137 Debug_Chunk(d->chunks);
141 Free_Disk(struct disk *d)
144 Free_Chunk(d->chunks);
153 #if !defined(__ia64__)
158 #if !defined(__ia64__)
162 #if defined(__i386__) || defined(__amd64__)
171 Collapse_Disk(struct disk *d)
174 while (Collapse_Chunk(d, d->chunks))
180 qstrcmp(const void* a, const void* b)
182 const char *str1 = *(char* const*)a;
183 const char *str2 = *(char* const*)b;
185 return strcmp(str1, str2);
197 error = sysctlbyname("kern.disks", NULL, &listsize, NULL, 0);
199 warn("kern.disks sysctl not available");
206 disks = malloc(sizeof *disks * (1 + MAX_NO_DISKS));
209 disklist = (char *)malloc(listsize + 1);
210 if (disklist == NULL) {
214 memset(disks,0,sizeof *disks * (1 + MAX_NO_DISKS));
215 memset(disklist, 0, listsize + 1);
216 error = sysctlbyname("kern.disks", disklist, &listsize, NULL, 0);
217 if (error || disklist[0] == 0) {
222 for (disk_cnt = 0; disk_cnt < MAX_NO_DISKS; disk_cnt++) {
223 disks[disk_cnt] = strsep(&disklist, " ");
224 if (disks[disk_cnt] == NULL)
227 qsort(disks, disk_cnt, sizeof(char*), qstrcmp);
233 Set_Boot_Mgr(struct disk *d, const u_char *bootipl, const size_t bootipl_size,
234 const u_char *bootmenu, const size_t bootmenu_size)
237 Set_Boot_Mgr(struct disk *d, const u_char *b, const size_t s)
240 #if !defined(__ia64__)
242 if (d->sector_size == 0)
244 if (bootipl_size % d->sector_size != 0)
251 d->bootipl_size = bootipl_size;
252 d->bootipl = malloc(bootipl_size);
255 memcpy(d->bootipl, bootipl, bootipl_size);
258 if (bootmenu_size % d->sector_size != 0)
265 d->bootmenu_size = bootmenu_size;
266 d->bootmenu = malloc(bootmenu_size);
269 memcpy(d->bootmenu, bootmenu, bootmenu_size);
272 if (d->sector_size == 0)
274 if (s % d->sector_size != 0)
282 d->bootmgr = malloc(s);
285 memcpy(d->bootmgr, b, s);
292 Set_Boot_Blocks(struct disk *d, const u_char *b1, const u_char *b2)
294 #if defined(__i386__) || defined(__amd64__)
297 d->boot1 = malloc(512);
300 memcpy(d->boot1, b1, 512);
303 d->boot2 = malloc(15 * 512);
306 memcpy(d->boot2, b2, 15 * 512);
307 #elif defined(__alpha__)
310 d->boot1 = malloc(15 * 512);
313 memcpy(d->boot1, b1, 15 * 512);
314 #elif defined(__sparc64__)
315 if (d->boot1 != NULL)
317 d->boot1 = malloc(16 * 512);
318 if (d->boot1 == NULL)
320 memcpy(d->boot1, b1, 16 * 512);
321 #elif defined(__ia64__)
324 /* Should be: #error "Set_Boot_Blocks: unknown arch"; */
330 slice_type_name( int type, int subtype )
338 case 1: return "fat (12-bit)";
339 case 2: return "XENIX /";
340 case 3: return "XENIX /usr";
341 case 4: return "fat (16-bit,<=32Mb)";
342 case 5: return "extended DOS";
343 case 6: return "fat (16-bit,>32Mb)";
344 case 7: return "NTFS/HPFS/QNX";
345 case 8: return "AIX bootable";
346 case 9: return "AIX data";
347 case 10: return "OS/2 bootmgr";
348 case 11: return "fat (32-bit)";
349 case 12: return "fat (32-bit,LBA)";
350 case 14: return "fat (16-bit,>32Mb,LBA)";
351 case 15: return "extended DOS, LBA";
352 case 18: return "Compaq Diagnostic";
353 case 57: return "Plan 9";
354 case 77: return "QNX 4.X";
355 case 78: return "QNX 4.X 2nd part";
356 case 79: return "QNX 4.X 3rd part";
357 case 84: return "OnTrack diskmgr";
358 case 100: return "Netware 2.x";
359 case 101: return "Netware 3.x";
360 case 115: return "SCO UnixWare";
361 case 128: return "Minix 1.1";
362 case 129: return "Minix 1.5";
363 case 130: return "linux_swap";
364 case 131: return "ext2fs";
365 case 133: return "linux extended";
366 case 166: return "OpenBSD FFS"; /* 0xA6 */
367 case 168: return "Mac OS-X";
368 case 169: return "NetBSD FFS"; /* 0xA9 */
369 case 171: return "Mac OS-X Boot";
370 case 182: return "OpenBSD"; /* dedicated */
371 case 183: return "bsd/os";
372 case 184: return "bsd/os swap";
373 case 191: return "Solaris (new)";
374 case 238: return "EFI GPT";
375 case 239: return "EFI Sys. Part.";
376 default: return "unknown";
383 case 0xc494: return "freebsd";
385 case 165: return "freebsd";
387 default: return "unknown";