Chameleon

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Root/tags/2.0/i386/util/fdisk/part.c

Source at commit 1808 created 12 years 4 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
1/*␊
2 * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. Please obtain a copy of the License at␊
10 * http://www.opensource.apple.com/apsl/ and read it before using this␊
11 * file.␊
12 * ␊
13 * The Original Code and all software distributed under the License are␊
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
18 * Please see the License for the specific language governing rights and␊
19 * limitations under the License.␊
20 * ␊
21 * @APPLE_LICENSE_HEADER_END@␊
22 */␊
23/*␊
24 * 2008-05-24:␊
25 * Tamas Kosarszky: changed caption for partition type 0x07␊
26 * and added caption for type 0xEE.␊
27 */␊
28/*␊
29 * Copyright (c) 1997 Tobias Weingartner␊
30 * All rights reserved.␊
31 *␊
32 * Redistribution and use in source and binary forms, with or without␊
33 * modification, are permitted provided that the following conditions␊
34 * are met:␊
35 * 1. Redistributions of source code must retain the above copyright␊
36 * notice, this list of conditions and the following disclaimer.␊
37 * 2. Redistributions in binary form must reproduce the above copyright␊
38 * notice, this list of conditions and the following disclaimer in the␊
39 * documentation and/or other materials provided with the distribution.␊
40 * 3. All advertising materials mentioning features or use of this software␊
41 * must display the following acknowledgement:␊
42 * This product includes software developed by Tobias Weingartner.␊
43 * 4. The name of the author may not be used to endorse or promote products␊
44 * derived from this software without specific prior written permission.␊
45 *␊
46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR␊
47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES␊
48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.␊
49 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,␊
50 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT␊
51 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,␊
52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY␊
53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊
54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF␊
55 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊
56 */␊
57␊
58#include <err.h>␊
59#include <util.h>␊
60#include <stdio.h>␊
61#include <string.h>␊
62#include <unistd.h>␊
63#include <sys/fcntl.h>␊
64#include <sys/types.h>␊
65#include <sys/stat.h>␊
66#include <machine/param.h>␊
67#include "disk.h"␊
68#include "misc.h"␊
69#include "mbr.h"␊
70␊
71␊
72static const struct part_type {␊
73␉int␉type;␊
74␉char␉sname[14];␊
75␉char␉*lname;␊
76} part_types[] = {␊
77␉{ 0x00, "unused ", "unused"},␊
78␉{ 0x01, "DOS FAT-12 ", "Primary DOS with 12 bit FAT"},␊
79␉{ 0x02, "XENIX / ", "XENIX / filesystem"},␊
80␉{ 0x03, "XENIX /usr ", "XENIX /usr filesystem"},␊
81␉{ 0x04, "DOS FAT-16 ", "Primary DOS with 16 bit FAT"},␊
82␉{ 0x05, "Extended DOS", "Extended DOS"},␊
83␉{ 0x06, "DOS > 32MB ", "Primary 'big' DOS (> 32MB)"},␊
84␉{ 0x07, "NTFS ", "Windows NT NTFS"},␊
85␉{ 0x08, "AIX fs ", "AIX filesystem"},␊
86␉{ 0x09, "AIX/Coherent", "AIX boot partition or Coherent"},␊
87␉{ 0x0A, "OS/2 Bootmgr", "OS/2 Boot Manager or OPUS"},␊
88␉{ 0x0B, "Win95 FAT-32", "Primary Win95 w/ 32-bit FAT"},␊
89␉{ 0x0C, "Win95 FAT32L", "Primary Win95 w/ 32-bit FAT LBA-mapped"},␊
90␉{ 0x0E, "DOS FAT-16 ", "Primary DOS w/ 16-bit FAT, CHS-mapped"},␊
91␉{ 0x0F, "Extended LBA", "Extended DOS LBA-mapped"},␊
92␉{ 0x10, "OPUS ", "OPUS"},␊
93␉{ 0x11, "OS/2 hidden ", "OS/2 BM: hidden DOS 12-bit FAT"},␊
94␉{ 0x12, "Compaq Diag.", "Compaq Diagnostics"},␊
95␉{ 0x14, "OS/2 hidden ", "OS/2 BM: hidden DOS 16-bit FAT <32M or Novell DOS 7.0 bug"},␊
96␉{ 0x16, "OS/2 hidden ", "OS/2 BM: hidden DOS 16-bit FAT >=32M"},␊
97␉{ 0x17, "OS/2 hidden ", "OS/2 BM: hidden IFS"},␊
98␉{ 0x18, "AST swap ", "AST Windows swapfile"},␊
99␉{ 0x19, "Willowtech ", "Willowtech Photon coS"},␊
100␉{ 0x20, "Willowsoft ", "Willowsoft OFS1"},␊
101␉{ 0x24, "NEC DOS ", "NEC DOS"},␊
102␉{ 0x38, "Theos ", "Theos"},␊
103␉{ 0x39, "Plan 9 ",␉"Plan 9"},␊
104␉{ 0x40, "VENIX 286 ", "VENIX 286 or LynxOS"},␊
105␉{ 0x41, "Lin/Minux DR", "Linux/MINIX (sharing disk with DRDOS) or Personal RISC boot"},␊
106␉{ 0x42, "LinuxSwap DR", "SFS or Linux swap (sharing disk with DRDOS)"},␊
107␉{ 0x43, "Linux DR ", "Linux native (sharing disk with DRDOS)"},␊
108␉{ 0x4D, "QNX 4.2 Pri ", "QNX 4.2 Primary"},␊
109␉{ 0x4E, "QNX 4.2 Sec ", "QNX 4.2 Secondary"},␊
110␉{ 0x4F, "QNX 4.2 Ter ", "QNX 4.2 Tertiary"},␊
111␉{ 0x50, "DM ", "DM (disk manager)"},␊
112␉{ 0x51, "DM ", "DM6 Aux1 (or Novell)"},␊
113␉{ 0x52, "CP/M or SysV", "CP/M or Microport SysV/AT"},␊
114␉{ 0x53, "DM ", "DM6 Aux3"},␊
115␉{ 0x54, "Ontrack ", "Ontrack"},␊
116␉{ 0x55, "EZ-Drive ", "EZ-Drive (disk manager)"},␊
117␉{ 0x56, "Golden Bow ", "Golden Bow (disk manager)"},␊
118␉{ 0x5C, "Priam ", "Priam Edisk (disk manager)"},␊
119␉{ 0x61, "SpeedStor ", "SpeedStor"},␊
120␉{ 0x63, "ISC, HURD, *", "ISC, System V/386, GNU HURD or Mach"},␊
121␉{ 0x64, "Netware 2.xx", "Novell Netware 2.xx"},␊
122␉{ 0x65, "Netware 3.xx", "Novell Netware 3.xx"},␊
123␉{ 0x66, "Netware 386 ", "Novell 386 Netware"},␊
124␉{ 0x67, "Novell ", "Novell"},␊
125␉{ 0x68, "Novell ", "Novell"},␊
126␉{ 0x69, "Novell ", "Novell"},␊
127␉{ 0x70, "DiskSecure ", "DiskSecure Multi-Boot"},␊
128␉{ 0x75, "PCIX ", "PCIX"},␊
129␉{ 0x80, "Minix (old) ", "Minix 1.1 ... 1.4a"},␊
130␉{ 0x81, "Minix (new) ", "Minix 1.4b ... 1.5.10"},␊
131␉{ 0x82, "Linux swap ", "Linux swap"},␊
132␉{ 0x83, "Linux files*", "Linux filesystem"},␊
133␉{ 0x93, "Amoeba file*", "Amoeba filesystem"},␊
134␉{ 0x94, "Amoeba BBT ", "Amoeba bad block table"},␊
135␉{ 0x84, "OS/2 hidden ", "OS/2 hidden C: drive"},␊
136␉{ 0x85, "Linux ext. ", "Linux extended"},␊
137␉{ 0x86, "NT FAT VS ", "NT FAT volume set"},␊
138␉{ 0x87, "NTFS VS ", "NTFS volume set or HPFS mirrored"},␊
139␉{ 0x93, "Amoeba FS ", "Amoeba filesystem"},␊
140␉{ 0x94, "Amoeba BBT ", "Amoeba bad block table"},␊
141␉{ 0x99, "Mylex ", "Mylex EISA SCSI"},␊
142␉{ 0x9F, "BSDI ", "BSDI BSD/OS"},␊
143␉{ 0xA0, "NotebookSave", "Phoenix NoteBIOS save-to-disk"},␊
144␉{ 0xA5, "FreeBSD ",␉"FreeBSD"},␊
145␉{ 0xA6, "OpenBSD ", "OpenBSD"},␊
146␉{ 0xA7, "NEXTSTEP ", "NEXTSTEP"},␊
147␉{ 0xA8, "Darwin UFS ",␉"Darwin UFS partition"},␊
148␉{ 0xA9, "NetBSD ",␉"NetBSD"},␊
149␉{ 0xAB, "Darwin Boot ",␉"Darwin boot partition"},␊
150␉{ 0xAF, "HFS+ ",␉"Darwin HFS+ partition"},␊
151␉{ 0xB7, "BSDI filesy*", "BSDI BSD/386 filesystem"},␊
152␉{ 0xB8, "BSDI swap ", "BSDI BSD/386 swap"},␊
153␉{ 0xC0, "CTOS ", "CTOS"},␊
154␉{ 0xC1, "DRDOSs FAT12", "DRDOS/sec (FAT-12)"},␊
155␉{ 0xC4, "DRDOSs < 32M", "DRDOS/sec (FAT-16, < 32M)"},␊
156␉{ 0xC6, "DRDOSs >=32M", "DRDOS/sec (FAT-16, >= 32M)"},␊
157␉{ 0xC7, "HPFS Disbled", "Syrinx (Cyrnix?) or HPFS disabled"},␊
158␉{ 0xDB, "CPM/C.DOS/C*", "Concurrent CPM or C.DOS or CTOS"},␊
159␉{ 0xE1, "SpeedStor ", "DOS access or SpeedStor 12-bit FAT extended partition"},␊
160␉{ 0xE3, "SpeedStor ", "DOS R/O or SpeedStor or Storage Dimensions"},␊
161␉{ 0xE4, "SpeedStor ", "SpeedStor 16-bit FAT extended partition < 1024 cyl."},␊
162␉{ 0xEB, "BeOS/i386 ", "BeOS for Intel"},␊
163␉{ 0xEE, "GPT ", "GPT protective partition"},␊
164␉{ 0xF1, "SpeedStor ", "SpeedStor or Storage Dimensions"},␊
165␉{ 0xF2, "DOS 3.3+ Sec", "DOS 3.3+ Secondary"},␊
166␉{ 0xF4, "SpeedStor ", "SpeedStor >1024 cyl. or LANstep or IBM PS/2 IML"},␊
167␉{ 0xFF, "Xenix BBT ", "Xenix Bad Block Table"},␊
168};␊
169␊
170void␊
171PRT_printall()␊
172{␊
173␉int i, idrows;␊
174␊
175 idrows = ((sizeof(part_types)/sizeof(struct part_type))+3)/4;␊
176␊
177␉printf("Choose from the following Partition id values:\n");␊
178␉for (i = 0; i < idrows; i++) {␊
179␉␉printf("%02X %s %02X %s %02X %s"␊
180 , part_types[i ].type, part_types[i ].sname␊
181 , part_types[i+idrows ].type, part_types[i+idrows ].sname␊
182 , part_types[i+idrows*2].type, part_types[i+idrows*2].sname␊
183 );␊
184 if ((i+idrows*3) < (sizeof(part_types)/sizeof(struct part_type))) {␊
185␉␉ printf(" %02X %s\n"␊
186 , part_types[i+idrows*3].type, part_types[i+idrows*3].sname );␊
187 }␊
188␉␉else␊
189␉␉ printf( "\n" );␊
190␉}␊
191}␊
192␊
193const char *␊
194PRT_ascii_id(id)␊
195␉int id;␊
196{␊
197␉static char unknown[] = "<Unknown ID>";␊
198␉int i;␊
199␊
200␉for (i = 0; i < sizeof(part_types)/sizeof(struct part_type); i++) {␊
201␉␉if (part_types[i].type == id)␊
202␉␉␉return (part_types[i].sname);␊
203␉}␊
204␊
205␉return (unknown);␊
206}␊
207␊
208void␊
209PRT_parse(disk, prt, offset, reloff, partn, pn)␊
210␉disk_t *disk;␊
211␉void *prt;␊
212␉off_t offset;␊
213␉off_t reloff;␊
214␉prt_t *partn;␊
215␉int pn;␊
216{␊
217␉unsigned char *p = prt;␊
218␉off_t off;␊
219␊
220␉partn->flag = *p++;␊
221␉partn->shead = *p++;␊
222␊
223␉partn->ssect = (*p) & 0x3F;␊
224␉partn->scyl = ((*p << 2) & 0xFF00) | (*(p+1));␊
225␉p += 2;␊
226␊
227␉partn->id = *p++;␊
228␉partn->ehead = *p++;␊
229␉partn->esect = (*p) & 0x3F;␊
230␉partn->ecyl = ((*p << 2) & 0xFF00) | (*(p+1));␊
231␉p += 2;␊
232␊
233␉if ((partn->id == DOSPTYP_EXTEND) || (partn->id == DOSPTYP_EXTENDL))␊
234␉␉off = reloff;␊
235␉else␊
236␉␉off = offset;␊
237␊
238␉partn->bs = getlong(p) + off;␊
239␉partn->ns = getlong(p+4);␊
240␊
241␊
242␉/* Zero out entry if not used */␊
243 if (partn->id == DOSPTYP_UNUSED ) {␊
244␉ memset(partn, 0, sizeof(*partn));␊
245 }␊
246}␊
247␊
248int␊
249PRT_check_chs(partn)␊
250␉prt_t *partn;␊
251{␊
252␉if ( (partn->shead > 255) || ␊
253␉␉(partn->ssect >63) || ␊
254␉␉(partn->scyl > 1023) || ␊
255␉␉(partn->ehead >255) || ␊
256␉␉(partn->esect >63) || ␊
257␉␉(partn->ecyl > 1023) )␊
258␉{␊
259␉␉return 0;␊
260␉}␊
261␉return 1;␊
262}␊
263void␊
264PRT_make(partn, offset, reloff, prt)␊
265␉prt_t *partn;␊
266␉off_t offset;␊
267␉off_t reloff;␊
268␉void *prt;␊
269{␊
270␉unsigned char *p = prt;␊
271␉prt_t tmp;␊
272␉off_t off;␊
273␊
274␉tmp.shead = partn->shead;␊
275␉tmp.ssect = partn->ssect;␊
276␉tmp.scyl = (partn->scyl > 1023)? 1023: partn->scyl; ␊
277␉tmp.ehead = partn->ehead;␊
278␉tmp.esect = partn->esect;␊
279␉tmp.ecyl = (partn->ecyl > 1023)? 1023: partn->ecyl; ␊
280␉if (!PRT_check_chs(partn) && PRT_check_chs(&tmp)) {␊
281␉␉partn->shead = tmp.shead;␊
282␉␉partn->ssect = tmp.ssect;␊
283␉␉partn->scyl = tmp.scyl;␊
284␉␉partn->ehead = tmp.ehead;␊
285␉␉partn->esect = tmp.esect;␊
286␉␉partn->ecyl = tmp.ecyl;␊
287␉␉printf("Cylinder values are modified to fit in CHS.\n");␊
288␉}␊
289␉if ((partn->id == DOSPTYP_EXTEND) || (partn->id == DOSPTYP_EXTENDL))␊
290␉␉off = reloff;␊
291␉else␊
292␉␉off = offset;␊
293␊
294␉if (PRT_check_chs(partn)) {␊
295␉␉*p++ = partn->flag & 0xFF;␊
296␊
297␉␉*p++ = partn->shead & 0xFF;␊
298␉␉*p++ = (partn->ssect & 0x3F) | ((partn->scyl & 0x300) >> 2);␊
299␉␉*p++ = partn->scyl & 0xFF;␊
300␊
301␉␉*p++ = partn->id & 0xFF;␊
302␊
303␉␉*p++ = partn->ehead & 0xFF;␊
304␉␉*p++ = (partn->esect & 0x3F) | ((partn->ecyl & 0x300) >> 2);␊
305␉␉*p++ = partn->ecyl & 0xFF;␊
306␉} else {␊
307␉␉/* should this really keep flag, id and set others to 0xff? */␊
308␉␉*p++ = partn->flag & 0xFF;␊
309␉␉*p++ = 0xFF;␊
310␉␉*p++ = 0xFF;␊
311␉␉*p++ = 0xFF;␊
312␉␉*p++ = partn->id & 0xFF;␊
313␉␉*p++ = 0xFF;␊
314␉␉*p++ = 0xFF;␊
315␉␉*p++ = 0xFF;␊
316␉␉printf("Warning CHS values out of bounds only saving LBA values\n");␊
317␉}␊
318␊
319␉putlong(p, partn->bs - off);␊
320␉putlong(p+4, partn->ns);␊
321}␊
322␊
323void␊
324PRT_print(num, partn)␊
325␉int num;␊
326␉prt_t *partn;␊
327{␊
328␊
329␉if (partn == NULL) {␊
330␉␉printf(" Starting Ending\n");␊
331␉␉printf(" #: id cyl hd sec - cyl hd sec [ start - size]\n");␊
332␉␉printf("------------------------------------------------------------------------\n");␊
333␉} else {␊
334␉␉printf("%c%1d: %.2X %4d %3d %3d - %4d %3d %3d [%10d - %10d] %s\n",␊
335␉␉␉(partn->flag == 0x80)?'*':' ',␊
336␉␉␉num + 1, partn->id,␊
337␉␉␉partn->scyl, partn->shead, partn->ssect,␊
338␉␉␉partn->ecyl, partn->ehead, partn->esect,␊
339␉␉␉partn->bs, partn->ns,␊
340␉␉␉PRT_ascii_id(partn->id));␊
341␉}␊
342}␊
343␊
344void␊
345PRT_fix_BN(disk, part, pn)␊
346␉disk_t *disk;␊
347␉prt_t *part;␊
348␉int pn;␊
349{␊
350␉int spt, tpc, spc;␊
351␉int start = 0;␊
352␉int end = 0;␊
353␊
354␉/* Zero out entry if not used */␊
355␉if (part->id == DOSPTYP_UNUSED ) {␊
356␉␉memset(part, 0, sizeof(*part));␊
357␉␉return;␊
358␉}␊
359␊
360␉/* Disk metrics */␊
361␉spt = disk->real->sectors;␊
362␉tpc = disk->real->heads;␊
363␉spc = spt * tpc;␊
364␊
365␉start += part->scyl * spc;␊
366␉start += part->shead * spt;␊
367␉start += part->ssect - 1;␊
368␊
369␉end += part->ecyl * spc;␊
370␉end += part->ehead * spt;␊
371␉end += part->esect - 1;␊
372␊
373␉/* XXX - Should handle this... */␊
374␉if (start > end)␊
375␉␉warn("Start of partition #%d after end!", pn);␊
376␊
377␉part->bs = start;␊
378␉part->ns = (end - start) + 1;␊
379}␊
380␊
381void␊
382PRT_fix_CHS(disk, part, pn)␊
383␉disk_t *disk;␊
384␉prt_t *part;␊
385␉int pn;␊
386{␊
387 int spt, tpc, spc;␊
388 int start;␊
389␉int cyl, head, sect;␊
390␊
391␉/* Zero out entry if not used */␊
392␉if (part->id == DOSPTYP_UNUSED ) {␊
393␉␉memset(part, 0, sizeof(*part));␊
394␉␉return;␊
395␉}␊
396␊
397␉/* Disk metrics */␊
398␉spt = disk->real->sectors;␊
399␉tpc = disk->real->heads;␊
400␉spc = spt * tpc;␊
401␊
402␉start = part->bs;␊
403␊
404␉if(start <= spt) {␊
405␉ /* Figure out "real" starting CHS values */␊
406␉ cyl = (start / spc); start -= (cyl * spc);␊
407␉ head = (start / spt); start -= (head * spt);␊
408␉ sect = (start + 1);␊
409␉} else {␊
410␉ cyl = 1023;␊
411␉ head = 254;␊
412␉ sect = 63;␊
413␉}␊
414␊
415␉part->scyl = cyl;␊
416␉part->shead = head;␊
417␉part->ssect = sect;␊
418␊
419␉/* use fake geometry to trigger LBA mode */␊
420␊
421␉cyl = 1023;␊
422␉head = 254;␊
423␉sect = 63;␊
424␊
425␉part->ecyl = cyl;␊
426␉part->ehead = head;␊
427␉part->esect = sect;␊
428}␊
429␊
430

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