1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | /* ␊ |
25 | * Mach Operating System␊ |
26 | * Copyright (c) 1990 Carnegie-Mellon University␊ |
27 | * Copyright (c) 1989 Carnegie-Mellon University␊ |
28 | * All rights reserved. The CMU software License Agreement specifies␊ |
29 | * the terms and conditions for use and redistribution.␊ |
30 | */␊ |
31 | ␊ |
32 | /*␊ |
33 | * INTEL CORPORATION PROPRIETARY INFORMATION␊ |
34 | *␊ |
35 | * This software is supplied under the terms of a license agreement or ␊ |
36 | * nondisclosure agreement with Intel Corporation and may not be copied ␊ |
37 | * nor disclosed except in accordance with the terms of that agreement.␊ |
38 | *␊ |
39 | * Copyright 1988, 1989 Intel Corporation␊ |
40 | */␊ |
41 | ␊ |
42 | /*␊ |
43 | * Copyright 1993 NeXT Computer, Inc.␊ |
44 | * All rights reserved.␊ |
45 | */␊ |
46 | ␊ |
47 | /* Copyright 2007 VMware Inc.␊ |
48 | "Preboot" ramdisk support added by David Elliott␊ |
49 | GPT support added by David Elliott. Based on IOGUIDPartitionScheme.cpp.␊ |
50 | */␊ |
51 | ␊ |
52 | ␊ |
53 | ␊ |
54 | #include "libsaio.h"␊ |
55 | #include "boot.h"␊ |
56 | #include "bootstruct.h"␊ |
57 | #include "fdisk.h"␊ |
58 | #ifdef UFS_SUPPORT␊ |
59 | #include "ufs.h"␊ |
60 | #define UFS_FRONT_PORCH 0␊ |
61 | #endif␊ |
62 | #include "hfs.h"␊ |
63 | #ifndef NO_WIN_SUPPORT␊ |
64 | #include "ntfs.h"␊ |
65 | #include "msdos.h"␊ |
66 | #endif␊ |
67 | #ifndef NO_LINUX_SUPPORT␊ |
68 | #include "ext2fs.h"␊ |
69 | #endif␊ |
70 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
71 | #include "freebsd.h"␊ |
72 | #include "openbsd.h"␊ |
73 | #endif␊ |
74 | #include "xml.h"␊ |
75 | #include "disk.h"␊ |
76 | #include "modules.h"␊ |
77 | ␊ |
78 | #ifndef DEBUG_DISK␊ |
79 | #define DEBUG_DISK 0␊ |
80 | #endif␊ |
81 | ␊ |
82 | #if DEBUG_DISK==2␊ |
83 | #define DBG(x...) {printf(x); sleep(1);}␊ |
84 | #elif DEBUG_DISK==1␊ |
85 | #define DBG(x...) printf(x)␊ |
86 | #else␊ |
87 | #define DBG(x...)␊ |
88 | #endif␊ |
89 | ␊ |
90 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
91 | #define␉UINT_MAX␉0xffffffff␉/* max value for an unsigned int, defined in <limits.h>. */␊ |
92 | #include <IOKit/storage/IOApplePartitionScheme.h>␊ |
93 | #define kAPMSector 2 /* Sector number of Apple partition map */␊ |
94 | #define kAPMCDSector 8 /* Translated sector of Apple partition map on a CD */␊ |
95 | #else␊ |
96 | #define DPISTRLEN 32 // Defined in <IOApplePartitionScheme.h>.␊ |
97 | #endif␊ |
98 | ␊ |
99 | #include <IOKit/storage/IOGUIDPartitionScheme.h>␊ |
100 | typedef struct gpt_hdr gpt_hdr;␊ |
101 | typedef struct gpt_ent gpt_ent;␊ |
102 | ␊ |
103 | // For EFI_GUID␊ |
104 | #include "efi.h"␊ |
105 | #include "efi_tables.h"␊ |
106 | ␊ |
107 | #define PROBEFS_SIZE BPS * 4 /* buffer size for filesystem probe */␊ |
108 | #define N_CACHE_SECS (BIOS_LEN / BPS) /* Must be a multiple of 4 for CD-ROMs */␊ |
109 | ␊ |
110 | #if UNUSED␊ |
111 | #define CD_BPS 2048 /* CD-ROM block size */␊ |
112 | #endif␊ |
113 | ␊ |
114 | /*␊ |
115 | * IORound and IOTrunc convenience functions, in the spirit␊ |
116 | * of vm's round_page() and trunc_page().␊ |
117 | */␊ |
118 | #define IORound(value,multiple) \␊ |
119 | ((((value) + (multiple) - 1) / (multiple)) * (multiple))␊ |
120 | ␊ |
121 | /*␊ |
122 | #define IOTrunc(value,multiple) \␊ |
123 | (((value) / (multiple)) * (multiple));␊ |
124 | */␊ |
125 | ␊ |
126 | /*␊ |
127 | * trackbuf points to the start of the track cache. Biosread()␊ |
128 | * will store the sectors read from disk to this memory area.␊ |
129 | *␊ |
130 | * biosbuf points to a sector within the track cache, and is␊ |
131 | * updated by Biosread().␊ |
132 | */␊ |
133 | static char * const trackbuf = (char *) ptov(BIOS_ADDR);␊ |
134 | static char * biosbuf;␊ |
135 | ␊ |
136 | /*␊ |
137 | * Map a disk drive to bootable volumes contained within.␊ |
138 | */␊ |
139 | struct DiskBVMap {␊ |
140 | int biosdev; // BIOS device number (unique)␊ |
141 | BVRef bvr; // chain of boot volumes on the disk␊ |
142 | int bvrcnt; // number of boot volumes␊ |
143 | struct DiskBVMap * next; // linkage to next mapping␊ |
144 | };␊ |
145 | ␊ |
146 | static struct DiskBVMap * gDiskBVMap = NULL;␊ |
147 | static struct disk_blk0 * gBootSector = NULL;␊ |
148 | ␊ |
149 | ␊ |
150 | #if TEXT_SPINNER␊ |
151 | extern void spinActivityIndicator(int sectors);␊ |
152 | #endif␊ |
153 | ␊ |
154 | //==========================================================================␊ |
155 | ␊ |
156 | static int getDriveInfo( int biosdev, struct driveInfo *dip )␊ |
157 | {␊ |
158 | static struct driveInfo cached_di;␊ |
159 | ␉int cc;␊ |
160 | #ifndef OPTION_ROM ␊ |
161 | // Real BIOS devices are 8-bit, so anything above that is for internal use.␊ |
162 | // Don't cache ramdisk drive info since it doesn't require several BIOS␊ |
163 | // calls and is thus not worth it.␊ |
164 | if(biosdev >= 0x100 && execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)␊ |
165 | {␊ |
166 | ␉␉int ret = 0;␊ |
167 | ␉␉execute_hook("p_get_ramdisk_info", &biosdev, (void *)dip, &ret, NULL, NULL, NULL);␊ |
168 | ␉␉return ret;␊ |
169 | ␉␉␊ |
170 | }␊ |
171 | #endif␊ |
172 | if ( !cached_di.valid || biosdev != cached_di.biosdev )␊ |
173 | {␊ |
174 | ␉␉cc = get_drive_info(biosdev, &cached_di);␊ |
175 | if (cc < 0) {␊ |
176 | ␉␉␉cached_di.valid = 0;␊ |
177 | DEBUG_DISK(("get_drive_info returned error\n"));␊ |
178 | ␉␉␉return (-1); // BIOS call error␊ |
179 | ␉␉}␊ |
180 | }␊ |
181 | ␉␊ |
182 | bcopy(&cached_di, dip, sizeof(cached_di));␊ |
183 | ␉␊ |
184 | return 0;␊ |
185 | }␊ |
186 | ␊ |
187 | //==========================================================================␊ |
188 | // Maps (E)BIOS return codes to message strings.␊ |
189 | ␊ |
190 | struct NamedValue {␊ |
191 | unsigned char value;␊ |
192 | const char * name;␊ |
193 | };␊ |
194 | ␊ |
195 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
196 | ␉␉␉␉␉␉␉␉␉unsigned char value )␊ |
197 | {␊ |
198 | const struct NamedValue * np;␊ |
199 | ␉␊ |
200 | for ( np = nameTable; np->value; np++)␊ |
201 | if (np->value == value)␊ |
202 | return np->name;␊ |
203 | ␉␊ |
204 | return NULL;␊ |
205 | }␊ |
206 | ␊ |
207 | #define ECC_CORRECTED_ERR 0x11␊ |
208 | ␊ |
209 | static const struct NamedValue bios_errors[] = {␊ |
210 | { 0x10, "Media error" },␊ |
211 | { 0x11, "Corrected ECC error" },␊ |
212 | { 0x20, "Controller or device error" },␊ |
213 | { 0x40, "Seek failed" },␊ |
214 | { 0x80, "Device timeout" },␊ |
215 | { 0xAA, "Drive not ready" },␊ |
216 | { 0x00, 0 }␊ |
217 | };␊ |
218 | ␊ |
219 | static const char * bios_error(int errnum)␊ |
220 | {␊ |
221 | static char errorstr[] = "Error 0x00";␊ |
222 | const char * errname;␊ |
223 | ␉␊ |
224 | errname = getNameForValue( bios_errors, errnum );␊ |
225 | if ( errname ) return errname;␊ |
226 | ␉␊ |
227 | sprintf(errorstr, "Error 0x%02x", errnum);␊ |
228 | return errorstr; // No string, print error code only␊ |
229 | }␊ |
230 | ␊ |
231 | //==========================================================================␊ |
232 | // Use BIOS INT13 calls to read the sector specified. This function will␊ |
233 | // also perform read-ahead to cache a few subsequent sector to the sector␊ |
234 | // cache.␊ |
235 | // ␊ |
236 | // Return:␊ |
237 | // 0 on success, or an error code from INT13/F2 or INT13/F42 BIOS call.␊ |
238 | ␊ |
239 | static bool cache_valid = false;␊ |
240 | ␊ |
241 | static int Biosread( int biosdev, unsigned long long secno )␊ |
242 | {␊ |
243 | static int xbiosdev, xcyl, xhead;␊ |
244 | static unsigned int xsec, xnsecs;␊ |
245 | struct driveInfo di;␊ |
246 | ␉␊ |
247 | int rc = -1;␊ |
248 | int cyl, head, sec;␊ |
249 | int tries = 0;␊ |
250 | int bps, divisor;␊ |
251 | ␉␊ |
252 | if (getDriveInfo(biosdev, &di) < 0) {␊ |
253 | ␉␉return -1;␊ |
254 | }␊ |
255 | if (di.no_emulation) {␊ |
256 | ␉␉/* Always assume 2k block size; BIOS may lie about geometry */␊ |
257 | ␉␉bps = 2048;␊ |
258 | } else {␊ |
259 | ␉␉bps = di.di.params.phys_nbps;␊ |
260 | if (bps == 0) {␊ |
261 | return -1;␊ |
262 | }␊ |
263 | }␊ |
264 | divisor = bps / BPS;␊ |
265 | ␉␊ |
266 | DEBUG_DISK(("Biosread dev %x sec %d bps %d\n", biosdev, secno, bps));␊ |
267 | ␉␊ |
268 | // To read the disk sectors, use EBIOS if we can. Otherwise,␊ |
269 | // revert to the standard BIOS calls.␊ |
270 | ␉␊ |
271 | if ((biosdev >= kBIOSDevTypeHardDrive) &&␊ |
272 | (di.uses_ebios & EBIOS_FIXED_DISK_ACCESS))␊ |
273 | {␊ |
274 | if (cache_valid &&␊ |
275 | (biosdev == xbiosdev) &&␊ |
276 | (secno >= xsec) &&␊ |
277 | ((unsigned int)secno < (xsec + xnsecs)))␊ |
278 | {␊ |
279 | biosbuf = trackbuf + (BPS * (secno - xsec));␊ |
280 | return 0;␊ |
281 | }␊ |
282 | ␉␉␊ |
283 | xnsecs = N_CACHE_SECS;␊ |
284 | xsec = (secno / divisor) * divisor;␊ |
285 | cache_valid = false;␊ |
286 | ␉␉␊ |
287 | while ((rc = ebiosread(biosdev, secno / divisor, xnsecs / divisor)) && (++tries < 5))␊ |
288 | {␊ |
289 | if (rc == ECC_CORRECTED_ERR) {␊ |
290 | /* Ignore corrected ECC errors */␊ |
291 | rc = 0;␊ |
292 | break;␊ |
293 | }␊ |
294 | error(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
295 | error(" Block 0x%x Sectors %d\n", secno, xnsecs);␊ |
296 | sleep(1);␊ |
297 | }␊ |
298 | }␊ |
299 | else␊ |
300 | {␊ |
301 | ␉␉/* spc = spt * heads */␊ |
302 | ␉␉int spc = (di.di.params.phys_spt * di.di.params.phys_heads);␊ |
303 | cyl = secno / spc;␊ |
304 | head = (secno % spc) / di.di.params.phys_spt;␊ |
305 | sec = secno % di.di.params.phys_spt;␊ |
306 | ␉␉␊ |
307 | if (cache_valid &&␊ |
308 | (biosdev == xbiosdev) &&␊ |
309 | (cyl == xcyl) &&␊ |
310 | (head == xhead) &&␊ |
311 | ((unsigned int)sec >= xsec) &&␊ |
312 | ((unsigned int)sec < (xsec + xnsecs)))␊ |
313 | {␊ |
314 | // this sector is in trackbuf cache␊ |
315 | biosbuf = trackbuf + (BPS * (sec - xsec));␊ |
316 | return 0;␊ |
317 | }␊ |
318 | ␉␉␊ |
319 | // Cache up to a track worth of sectors, but do not cross a␊ |
320 | // track boundary.␊ |
321 | ␉␉␊ |
322 | xcyl = cyl;␊ |
323 | xhead = head;␊ |
324 | xsec = sec;␊ |
325 | xnsecs = ((unsigned int)(sec + N_CACHE_SECS) > di.di.params.phys_spt) ? (di.di.params.phys_spt - sec) : N_CACHE_SECS;␊ |
326 | cache_valid = false;␊ |
327 | ␉␉␊ |
328 | while ((rc = biosread(biosdev, cyl, head, sec, xnsecs)) &&␊ |
329 | (++tries < 5))␊ |
330 | {␊ |
331 | if (rc == ECC_CORRECTED_ERR) {␊ |
332 | /* Ignore corrected ECC errors */␊ |
333 | rc = 0;␊ |
334 | break;␊ |
335 | }␊ |
336 | error(" BIOS read error: %s\n", bios_error(rc), rc);␊ |
337 | error(" Block %d, Cyl %d Head %d Sector %d\n",␊ |
338 | secno, cyl, head, sec);␊ |
339 | sleep(1);␊ |
340 | }␊ |
341 | }␊ |
342 | ␉␊ |
343 | // If the BIOS reported success, mark the sector cache as valid.␊ |
344 | ␉␊ |
345 | if (rc == 0) {␊ |
346 | cache_valid = true;␊ |
347 | }␊ |
348 | biosbuf = trackbuf + (secno % divisor) * BPS;␊ |
349 | xbiosdev = biosdev;␊ |
350 | ␊ |
351 | #if TEXT_SPINNER␊ |
352 | ␉spinActivityIndicator(xnsecs);␊ |
353 | #endif␊ |
354 | ␉␊ |
355 | return rc;␊ |
356 | }␊ |
357 | ␊ |
358 | //==========================================================================␊ |
359 | ␊ |
360 | int testBiosread( int biosdev, unsigned long long secno )␊ |
361 | {␊ |
362 | ␉return Biosread(biosdev, secno);␊ |
363 | }␊ |
364 | ␊ |
365 | //==========================================================================␊ |
366 | ␊ |
367 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
368 | ␉␉␉␉␉ unsigned int byteoff,␊ |
369 | ␉␉␉␉␉ unsigned int byteCount, void * buffer )␊ |
370 | {␊ |
371 | #ifndef OPTION_ROM ␊ |
372 | // ramdisks require completely different code for reading.␊ |
373 | ␊ |
374 | ␉␊ |
375 | ␉if(biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)){␊ |
376 | ␉␊ |
377 | ␉␉int ret = -1;␊ |
378 | ␉␉execute_hook("p_ramdiskReadBytes", &biosdev, &blkno, &byteoff, &byteCount, buffer, &ret);␊ |
379 | ␉␉return ret;␊ |
380 | ␉}␊ |
381 | #endif␉␉␉␊ |
382 | ␉␊ |
383 | char * cbuf = (char *) buffer;␊ |
384 | int error;␊ |
385 | int copy_len;␊ |
386 | ␉␊ |
387 | DEBUG_DISK(("%s: dev %x block %x [%d] -> 0x%x...", __FUNCTION__,␊ |
388 | biosdev, blkno, byteCount, (unsigned)cbuf));␊ |
389 | ␉␊ |
390 | for ( ; byteCount; cbuf += copy_len, blkno++ )␊ |
391 | {␊ |
392 | error = Biosread( biosdev, blkno );␊ |
393 | if ( error )␊ |
394 | {␊ |
395 | DEBUG_DISK(("error\n"));␊ |
396 | return (-1);␊ |
397 | }␊ |
398 | ␉␉␊ |
399 | copy_len = ((byteCount + byteoff) > BPS) ? (BPS - byteoff) : byteCount;␊ |
400 | bcopy( biosbuf + byteoff, cbuf, copy_len );␊ |
401 | byteCount -= copy_len;␊ |
402 | byteoff = 0;␊ |
403 | }␊ |
404 | ␉␊ |
405 | DEBUG_DISK(("done\n"));␊ |
406 | ␉␊ |
407 | return 0; ␊ |
408 | }␊ |
409 | ␊ |
410 | //==========================================================================␊ |
411 | ␊ |
412 | static int isExtendedFDiskPartition( const struct fdisk_part * part )␊ |
413 | {␊ |
414 | static unsigned char extParts[] =␊ |
415 | {␊ |
416 | 0x05, /* Extended */␊ |
417 | 0x0f, /* Win95 extended */␊ |
418 | 0x85, /* Linux extended */␊ |
419 | };␊ |
420 | ␉␊ |
421 | unsigned int i;␊ |
422 | ␉␊ |
423 | for (i = 0; i < sizeof(extParts)/sizeof(extParts[0]); i++)␊ |
424 | {␊ |
425 | if (extParts[i] == part->systid) return 1;␊ |
426 | }␊ |
427 | return 0;␊ |
428 | }␊ |
429 | ␊ |
430 | //==========================================================================␊ |
431 | ␊ |
432 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
433 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart )␊ |
434 | {␊ |
435 | static int sBiosdev = -1;␊ |
436 | static int sNextPartNo;␊ |
437 | static unsigned int sFirstBase;␊ |
438 | static unsigned int sExtBase;␊ |
439 | static unsigned int sExtDepth;␊ |
440 | static struct fdisk_part * sExtPart;␊ |
441 | struct fdisk_part * part;␊ |
442 | ␉␊ |
443 | if ( sBiosdev != biosdev || *partno < 0 )␊ |
444 | {␊ |
445 | // Fetch MBR.␊ |
446 | if ( readBootSector( biosdev, DISK_BLK0, 0 ) ) return 0;␊ |
447 | ␉␉␊ |
448 | sBiosdev = biosdev;␊ |
449 | sNextPartNo = 0;␊ |
450 | sFirstBase = 0;␊ |
451 | sExtBase = 0;␊ |
452 | sExtDepth = 0;␊ |
453 | sExtPart = NULL;␊ |
454 | }␊ |
455 | ␉␊ |
456 | while (1)␊ |
457 | {␊ |
458 | part = NULL;␊ |
459 | ␉␉␊ |
460 | if ( sNextPartNo < FDISK_NPART )␊ |
461 | {␊ |
462 | part = (struct fdisk_part *) gBootSector->parts[sNextPartNo];␊ |
463 | }␊ |
464 | else if ( sExtPart )␊ |
465 | {␊ |
466 | unsigned int blkno = sExtPart->relsect + sFirstBase;␊ |
467 | ␉␉␉␊ |
468 | // Save the block offset of the first extended partition.␊ |
469 | ␉␉␉␊ |
470 | if (sExtDepth == 0) {␊ |
471 | sFirstBase = blkno;␊ |
472 | }␊ |
473 | sExtBase = blkno;␊ |
474 | ␉␉␉␊ |
475 | // Load extended partition table.␊ |
476 | ␉␉␉␊ |
477 | if ( readBootSector( biosdev, blkno, 0 ) == 0 )␊ |
478 | {␊ |
479 | sNextPartNo = 0;␊ |
480 | sExtDepth++;␊ |
481 | sExtPart = NULL;␊ |
482 | continue;␊ |
483 | }␊ |
484 | // Fall through to part == NULL␊ |
485 | }␊ |
486 | ␉␉␊ |
487 | if ( part == NULL ) break; // Reached end of partition chain.␊ |
488 | ␉␉␊ |
489 | // Advance to next partition number.␊ |
490 | ␉␉␊ |
491 | sNextPartNo++;␊ |
492 | ␉␉␊ |
493 | if ( isExtendedFDiskPartition(part) )␊ |
494 | {␊ |
495 | sExtPart = part;␊ |
496 | continue;␊ |
497 | }␊ |
498 | ␉␉␊ |
499 | // Skip empty slots.␊ |
500 | ␉␉␊ |
501 | if ( part->systid == 0x00 )␊ |
502 | {␊ |
503 | continue;␊ |
504 | }␊ |
505 | ␉␉␊ |
506 | // Change relative offset to an absolute offset.␊ |
507 | part->relsect += sExtBase;␊ |
508 | ␉␉␊ |
509 | *outPart = part;␊ |
510 | *partno = sExtDepth ? (int)(sExtDepth + FDISK_NPART) : sNextPartNo;␊ |
511 | ␉␉␊ |
512 | break;␊ |
513 | }␊ |
514 | ␉␊ |
515 | return (part != NULL);␊ |
516 | }␊ |
517 | ␊ |
518 | //==========================================================================␊ |
519 | ␊ |
520 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
521 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
522 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
523 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
524 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
525 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
526 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
527 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
528 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
529 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
530 | {␊ |
531 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
532 | if ( bvr )␊ |
533 | {␊ |
534 | bzero(bvr, sizeof(*bvr));␊ |
535 | ␉␉␊ |
536 | bvr->biosdev = biosdev;␊ |
537 | bvr->part_no = partno;␊ |
538 | bvr->part_boff = blkoff;␊ |
539 | bvr->part_type = part->systid;␊ |
540 | bvr->fs_loadfile = loadFunc;␊ |
541 | bvr->fs_readfile = readFunc;␊ |
542 | bvr->fs_getdirentry = getdirFunc;␊ |
543 | bvr->fs_getfileblock= getBlockFunc;␊ |
544 | bvr->fs_getuuid = getUUIDFunc;␊ |
545 | bvr->description = getDescriptionFunc;␊ |
546 | bvr->type = type;␊ |
547 | bvr->bv_free = bvFreeFunc;␊ |
548 | ␉␉␊ |
549 | if ((part->bootid & FDISK_ACTIVE) && (part->systid == FDISK_HFS))␊ |
550 | bvr->flags |= kBVFlagPrimary;␊ |
551 | ␉␉␊ |
552 | // Probe the filesystem.␊ |
553 | ␉␉␊ |
554 | if ( initFunc )␊ |
555 | {␊ |
556 | bvr->flags |= kBVFlagNativeBoot;␊ |
557 | ␉␉␉␊ |
558 | if ( probe && initFunc( bvr ) != 0 )␊ |
559 | {␊ |
560 | // filesystem probe failed.␊ |
561 | ␉␉␉␉␊ |
562 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
563 | __FUNCTION__, biosdev, partno));␊ |
564 | ␉␉␉␉␊ |
565 | (*bvr->bv_free)(bvr);␊ |
566 | bvr = NULL;␊ |
567 | }␊ |
568 | if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
569 | {␊ |
570 | ␉bvr->flags |= kBVFlagBootable;␊ |
571 | }␊ |
572 | }␊ |
573 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
574 | {␊ |
575 | bvr->flags |= kBVFlagForeignBoot;␊ |
576 | }␊ |
577 | else␊ |
578 | {␊ |
579 | (*bvr->bv_free)(bvr);␊ |
580 | bvr = NULL;␊ |
581 | }␊ |
582 | }␊ |
583 | if (bvr) bvr->flags |= bvrFlags;␊ |
584 | return bvr;␊ |
585 | }␊ |
586 | ␊ |
587 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
588 | //==========================================================================␊ |
589 | ␊ |
590 | BVRef newAPMBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
591 | ␉␉␉␉ const DPME * part,␊ |
592 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
593 | ␉␉␉␉ FSReadFile readFunc,␊ |
594 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
595 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
596 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
597 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
598 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
599 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
600 | {␊ |
601 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
602 | if ( bvr )␊ |
603 | {␊ |
604 | bzero(bvr, sizeof(*bvr));␊ |
605 | ␉␉␊ |
606 | bvr->biosdev = biosdev;␊ |
607 | bvr->part_no = partno;␊ |
608 | bvr->part_boff = blkoff;␊ |
609 | bvr->fs_loadfile = loadFunc;␊ |
610 | bvr->fs_readfile = readFunc;␊ |
611 | bvr->fs_getdirentry = getdirFunc;␊ |
612 | bvr->fs_getfileblock= getBlockFunc;␊ |
613 | bvr->fs_getuuid = getUUIDFunc;␊ |
614 | bvr->description = getDescriptionFunc;␊ |
615 | bvr->type = type;␊ |
616 | bvr->bv_free = bvFreeFunc;␊ |
617 | strlcpy(bvr->name, part->dpme_name, DPISTRLEN);␊ |
618 | strlcpy(bvr->type_name, part->dpme_type, DPISTRLEN);␊ |
619 | ␉␉␊ |
620 | /*␊ |
621 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
622 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
623 | ␉␉ */␊ |
624 | ␉␉␊ |
625 | // Probe the filesystem.␊ |
626 | ␉␉␊ |
627 | if ( initFunc )␊ |
628 | {␊ |
629 | bvr->flags |= kBVFlagNativeBoot | kBVFlagBootable | kBVFlagSystemVolume;␊ |
630 | ␉␉␉␊ |
631 | if ( probe && initFunc( bvr ) != 0 )␊ |
632 | {␊ |
633 | // filesystem probe failed.␊ |
634 | ␉␉␉␉␊ |
635 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
636 | __FUNCTION__, biosdev, partno));␊ |
637 | ␉␉␉␉␊ |
638 | (*bvr->bv_free)(bvr);␊ |
639 | bvr = NULL;␊ |
640 | }␊ |
641 | }␊ |
642 | /*␊ |
643 | ␉␉ else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
644 | ␉␉ {␊ |
645 | ␉␉ bvr->flags |= kBVFlagForeignBoot;␊ |
646 | ␉␉ }␊ |
647 | ␉␉ */␊ |
648 | else␊ |
649 | {␊ |
650 | (*bvr->bv_free)(bvr);␊ |
651 | bvr = NULL;␊ |
652 | }␊ |
653 | }␊ |
654 | if (bvr) bvr->flags |= bvrFlags;␊ |
655 | return bvr;␊ |
656 | }␊ |
657 | #endif␊ |
658 | //==========================================================================␊ |
659 | ␊ |
660 | // HFS+ GUID in LE form␊ |
661 | EFI_GUID const GPT_HFS_GUID␉= { 0x48465300, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
662 | // turbo - also our booter partition␊ |
663 | EFI_GUID const GPT_BOOT_GUID␉= { 0x426F6F74, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
664 | // turbo - or an efi system partition␊ |
665 | EFI_GUID const GPT_EFISYS_GUID␉= { 0xC12A7328, 0xF81F, 0x11D2, { 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } };␊ |
666 | // zef - basic data partition EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 for foreign OS support␊ |
667 | EFI_GUID const GPT_BASICDATA_GUID = { 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } };␊ |
668 | EFI_GUID const GPT_BASICDATA2_GUID = { 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } };␊ |
669 | ␊ |
670 | ␊ |
671 | BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
672 | ␉␉␉␉ const gpt_ent * part,␊ |
673 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
674 | ␉␉␉␉ FSReadFile readFunc,␊ |
675 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
676 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
677 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
678 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
679 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
680 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
681 | {␊ |
682 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
683 | if ( bvr )␊ |
684 | {␊ |
685 | bzero(bvr, sizeof(*bvr));␊ |
686 | ␉␉␊ |
687 | bvr->biosdev = biosdev;␊ |
688 | bvr->part_no = partno;␊ |
689 | bvr->part_boff = blkoff;␊ |
690 | bvr->fs_loadfile = loadFunc;␊ |
691 | bvr->fs_readfile = readFunc;␊ |
692 | bvr->fs_getdirentry = getdirFunc;␊ |
693 | bvr->fs_getfileblock= getBlockFunc;␊ |
694 | bvr->fs_getuuid = getUUIDFunc;␊ |
695 | bvr->description = getDescriptionFunc;␊ |
696 | ␉bvr->type = type;␊ |
697 | bvr->bv_free = bvFreeFunc;␊ |
698 | // FIXME: UCS-2 -> UTF-8 the name␊ |
699 | strlcpy(bvr->name, "----", DPISTRLEN);␊ |
700 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)part->ent_type) == 0) ||␊ |
701 | ␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)part->ent_type) == 0) )␊ |
702 | ␉␉␉strlcpy(bvr->type_name, "GPT HFS+", DPISTRLEN);␊ |
703 | else␊ |
704 | ␉␉␉strlcpy(bvr->type_name, "GPT Unknown", DPISTRLEN);␊ |
705 | ␉␉␊ |
706 | /*␊ |
707 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
708 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
709 | ␉␉ */␊ |
710 | ␉␉␊ |
711 | // Probe the filesystem.␊ |
712 | ␉␉␊ |
713 | if ( initFunc )␊ |
714 | {␊ |
715 | bvr->flags |= kBVFlagNativeBoot;␊ |
716 | ␉␉␉␊ |
717 | if ( probe && initFunc( bvr ) != 0 )␊ |
718 | {␊ |
719 | // filesystem probe failed.␊ |
720 | ␉␉␉␉␊ |
721 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
722 | __FUNCTION__, biosdev, partno));␊ |
723 | ␉␉␉␉␊ |
724 | (*bvr->bv_free)(bvr);␊ |
725 | bvr = NULL;␊ |
726 | }␊ |
727 | if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
728 | {␊ |
729 | ␉bvr->flags |= kBVFlagBootable;␊ |
730 | }␊ |
731 | }␊ |
732 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
733 | {␊ |
734 | bvr->flags |= kBVFlagForeignBoot;␊ |
735 | }␊ |
736 | else␊ |
737 | {␊ |
738 | (*bvr->bv_free)(bvr);␊ |
739 | bvr = NULL;␊ |
740 | }␊ |
741 | }␊ |
742 | if (bvr) bvr->flags |= bvrFlags;␊ |
743 | return bvr;␊ |
744 | }␊ |
745 | ␊ |
746 | //==========================================================================␊ |
747 | ␊ |
748 | /* A note on partition numbers:␊ |
749 | * IOKit makes the primary partitions numbers 1-4, and then␊ |
750 | * extended partitions are numbered consecutively 5 and up.␊ |
751 | * So, for example, if you have two primary partitions and␊ |
752 | * one extended partition they will be numbered 1, 2, 5.␊ |
753 | */␊ |
754 | ␊ |
755 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr )␊ |
756 | {␊ |
757 | const struct fdisk_part * part;␊ |
758 | struct DiskBVMap * map;␊ |
759 | int partno = -1;␊ |
760 | BVRef bvr;␊ |
761 | #ifdef UFS_SUPPORT␊ |
762 | BVRef booterUFS = NULL;␊ |
763 | int spc;␊ |
764 | struct driveInfo di;␊ |
765 | boot_drive_info_t *dp;␊ |
766 | ␉␊ |
767 | /* Initialize disk info */␊ |
768 | if (getDriveInfo(biosdev, &di) != 0) {␊ |
769 | ␉␉return NULL;␊ |
770 | }␊ |
771 | dp = &di.di;␊ |
772 | spc = (dp->params.phys_spt * dp->params.phys_heads);␊ |
773 | if (spc == 0) {␊ |
774 | ␉␉/* This is probably a CD-ROM; punt on the geometry. */␊ |
775 | ␉␉spc = 1;␊ |
776 | }␊ |
777 | #endif␊ |
778 | ␉␊ |
779 | do {␊ |
780 | // Create a new mapping.␊ |
781 | ␉␉␊ |
782 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
783 | if ( map )␊ |
784 | {␊ |
785 | map->biosdev = biosdev;␊ |
786 | map->bvr = NULL;␊ |
787 | map->bvrcnt = 0;␊ |
788 | map->next = gDiskBVMap;␊ |
789 | gDiskBVMap = map;␊ |
790 | ␉␉␉␊ |
791 | // Create a record for each partition found on the disk.␊ |
792 | ␉␉␉␊ |
793 | while ( getNextFDiskPartition( biosdev, &partno, &part ) )␊ |
794 | {␊ |
795 | DEBUG_DISK(("%s: part %d [%x]\n", __FUNCTION__,␊ |
796 | partno, part->systid));␊ |
797 | bvr = 0;␊ |
798 | ␉␉␉␉␊ |
799 | switch ( part->systid )␊ |
800 | {␊ |
801 | #ifdef UFS_SUPPORT␊ |
802 | case FDISK_UFS:␊ |
803 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
804 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
805 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect + UFS_FRONT_PORCH/BPS,␊ |
806 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
807 | ␉␉␉␉␉␉␉␉␉␉␉UFSInitPartition,␊ |
808 | ␉␉␉␉␉␉␉␉␉␉␉UFSLoadFile,␊ |
809 | ␉␉␉␉␉␉␉␉␉␉␉UFSReadFile,␊ |
810 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetDirEntry,␊ |
811 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetFileBlock,␊ |
812 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetUUID,␊ |
813 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetDescription,␊ |
814 | ␉␉␉␉␉␉␉␉␉␉␉UFSFree,␊ |
815 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
816 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
817 | break;␊ |
818 | #endif␊ |
819 | ␉␉␉␉␉␉␊ |
820 | case FDISK_HFS:␊ |
821 | bvr = newFDiskBVRef(␊ |
822 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
823 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
824 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
825 | ␉␉␉␉␉␉␉␉␉␉␉HFSInitPartition,␊ |
826 | ␉␉␉␉␉␉␉␉␉␉␉HFSLoadFile,␊ |
827 | ␉␉␉␉␉␉␉␉␉␉␉HFSReadFile,␊ |
828 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
829 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetFileBlock,␊ |
830 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetUUID,␊ |
831 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetDescription,␊ |
832 | ␉␉␉␉␉␉␉␉␉␉␉HFSFree,␊ |
833 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
834 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
835 | break;␊ |
836 | ␉␉␉␉␉␉␊ |
837 | ␉␉␉␉␉␉// turbo - we want the booter type scanned also␊ |
838 | case FDISK_BOOTER:␊ |
839 | if (part->bootid & FDISK_ACTIVE) {␊ |
840 | ␉␉␉␉␉␉␉gBIOSBootVolume = newFDiskBVRef(␊ |
841 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
842 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
843 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉part,␊ |
844 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSInitPartition,␊ |
845 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSLoadFile,␊ |
846 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSReadFile,␊ |
847 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
848 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetFileBlock,␊ |
849 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetUUID,␊ |
850 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetDescription,␊ |
851 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSFree,␊ |
852 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉0,␊ |
853 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
854 | ␉␉␉␉␉␉␉break;␊ |
855 | ␉␉␉␉␉␉}␊ |
856 | #ifndef UFS_SUPPORT␉␉␉␉␉␉␊ |
857 | break;␊ |
858 | #else␉␉␉␉␉␉␊ |
859 | ␊ |
860 | //case FDISK_BOOTER:␊ |
861 | booterUFS = newFDiskBVRef(␊ |
862 | ␉␉␉␉␉␉␉␉␉␉␉␉ biosdev, partno,␊ |
863 | ␉␉␉␉␉␉␉␉␉␉␉␉ ((part->relsect + spc - 1) / spc) * spc,␊ |
864 | ␉␉␉␉␉␉␉␉␉␉␉␉ part,␊ |
865 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSInitPartition,␊ |
866 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSLoadFile,␊ |
867 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSReadFile,␊ |
868 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetDirEntry,␊ |
869 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetFileBlock,␊ |
870 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetUUID,␊ |
871 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetDescription,␊ |
872 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSFree,␊ |
873 | ␉␉␉␉␉␉␉␉␉␉␉␉ 0,␊ |
874 | ␉␉␉␉␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, 0);␊ |
875 | break;␊ |
876 | #endif␊ |
877 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
878 | case FDISK_FAT32:␊ |
879 | case FDISK_DOS12:␊ |
880 | case FDISK_DOS16S:␊ |
881 | case FDISK_DOS16B:␊ |
882 | case FDISK_SMALLFAT32:␊ |
883 | case FDISK_DOS16SLBA:␊ |
884 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
885 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
886 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
887 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
888 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSInitPartition,␊ |
889 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSLoadFile,␊ |
890 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSReadFile,␊ |
891 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetDirEntry,␊ |
892 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetFileBlock,␊ |
893 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetUUID,␊ |
894 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetDescription,␊ |
895 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSFree,␊ |
896 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
897 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
898 | ␉␉␉␉␉␉break;␊ |
899 | case FDISK_NTFS:␊ |
900 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
901 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
902 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
903 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
904 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0,␊ |
905 | ␉␉␉␉␉␉␉␉␉␉␉NTFSGetUUID,␊ |
906 | ␉␉␉␉␉␉␉␉␉␉␉NTFSGetDescription,␊ |
907 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
908 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
909 | ␉␉␉␉␉␉break;␊ |
910 | #endif␊ |
911 | ␊ |
912 | #ifndef NO_LINUX_SUPPORT␊ |
913 | ␉␉␉␉␉␉␊ |
914 | case FDISK_LINUX:␊ |
915 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
916 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
917 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
918 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
919 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
920 | ␉␉␉␉␉␉␉␉␉␉␉EX2GetDescription,␊ |
921 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
922 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
923 | ␉␉␉␉␉␉break;␊ |
924 | #endif␊ |
925 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
926 | ␉␉␉␉␉case FDISK_FREEBSD:␊ |
927 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
928 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
929 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
930 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
931 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
932 | ␉␉␉␉␉␉␉␉␉␉␉FreeBSDGetDescription,␊ |
933 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
934 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
935 | ␉␉␉␉␉␉break;␊ |
936 | ␉␉␉␉␉␉␊ |
937 | case FDISK_OPENBSD:␊ |
938 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
939 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
940 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
941 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
942 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
943 | ␉␉␉␉␉␉␉␉␉␉␉OpenBSDGetDescription,␊ |
944 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
945 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
946 | ␉␉␉␉␉␉break;␊ |
947 | #endif␊ |
948 | default:␊ |
949 | #if UNUSED␊ |
950 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
951 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
952 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
953 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
954 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0, 0,␊ |
955 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
956 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
957 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
958 | #endif␊ |
959 | ␉␉␉␉␉␉break;␊ |
960 | }␊ |
961 | ␉␉␉␉␊ |
962 | if ( bvr )␊ |
963 | {␊ |
964 | bvr->next = map->bvr;␊ |
965 | map->bvr = bvr;␊ |
966 | map->bvrcnt++;␊ |
967 | }␊ |
968 | }␊ |
969 | ␉␉␉␊ |
970 | #ifdef UFS_SUPPORT␊ |
971 | // Booting from a CD with an UFS filesystem embedded␊ |
972 | // in a booter partition.␊ |
973 | ␉␉␉␊ |
974 | if ( booterUFS )␊ |
975 | {␊ |
976 | if ( map->bvrcnt == 0 )␊ |
977 | {␊ |
978 | map->bvr = booterUFS;␊ |
979 | map->bvrcnt++;␊ |
980 | }␊ |
981 | else free( booterUFS );␊ |
982 | }␊ |
983 | #endif␊ |
984 | }␊ |
985 | } while (0);␊ |
986 | ␉␊ |
987 | /*␊ |
988 | * If no FDisk partition, then we will check for␊ |
989 | * an Apple partition map elsewhere.␊ |
990 | */␊ |
991 | #if UNUSED␊ |
992 | if (map->bvrcnt == 0) {␊ |
993 | ␉␉static struct fdisk_part cdpart;␊ |
994 | ␉␉cdpart.systid = 0xCD;␊ |
995 | ␉␉␊ |
996 | ␉␉/* Let's try assuming we are on a hybrid HFS/ISO9660 CD. */␊ |
997 | ␉␉bvr = newFDiskBVRef(␊ |
998 | ␉␉␉␉␉␉␉biosdev, 0,␊ |
999 | ␉␉␉␉␉␉␉0,␊ |
1000 | ␉␉␉␉␉␉␉&cdpart,␊ |
1001 | ␉␉␉␉␉␉␉HFSInitPartition,␊ |
1002 | ␉␉␉␉␉␉␉HFSLoadFile,␊ |
1003 | HFSReadFile,␊ |
1004 | ␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
1005 | HFSGetFileBlock,␊ |
1006 | HFSGetUUID,␊ |
1007 | ␉␉␉␉␉␉␉0,␊ |
1008 | ␉␉␉␉␉␉␉kBIOSDevTypeHardDrive);␊ |
1009 | ␉␉bvr->next = map->bvr;␊ |
1010 | ␉␉map->bvr = bvr;␊ |
1011 | ␉␉map->bvrcnt++;␊ |
1012 | }␊ |
1013 | #endif␊ |
1014 | // Actually this should always be true given the above code␊ |
1015 | if(map == gDiskBVMap)␊ |
1016 | {␊ |
1017 | // Don't leave a null map in the chain␊ |
1018 | if(map->bvrcnt == 0 && map->bvr == NULL)␊ |
1019 | {␊ |
1020 | gDiskBVMap = map->next;␊ |
1021 | free(map);␊ |
1022 | map = NULL;␊ |
1023 | }␊ |
1024 | }␊ |
1025 | ␉␊ |
1026 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1027 | ␉␊ |
1028 | return map ? map->bvr : NULL;␊ |
1029 | }␊ |
1030 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1031 | //==========================================================================␊ |
1032 | ␊ |
1033 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr )␊ |
1034 | {␊ |
1035 | struct DiskBVMap * map;␊ |
1036 | struct Block0 *block0_p;␊ |
1037 | unsigned int blksize;␊ |
1038 | unsigned int factor;␊ |
1039 | void *buffer = malloc(BPS);␊ |
1040 | ␉␊ |
1041 | /* Check for alternate block size */␊ |
1042 | if (readBytes( biosdev, 0, 0, BPS, buffer ) != 0) {␊ |
1043 | return NULL;␊ |
1044 | }␊ |
1045 | block0_p = buffer;␊ |
1046 | if (OSSwapBigToHostInt16(block0_p->sbSig) == BLOCK0_SIGNATURE) {␊ |
1047 | blksize = OSSwapBigToHostInt16(block0_p->sbBlkSize);␊ |
1048 | if (blksize != BPS) {␊ |
1049 | free(buffer);␊ |
1050 | buffer = malloc(blksize);␊ |
1051 | }␊ |
1052 | factor = blksize / BPS;␊ |
1053 | } else {␊ |
1054 | blksize = BPS;␊ |
1055 | factor = 1;␊ |
1056 | }␊ |
1057 | ␊ |
1058 | do {␊ |
1059 | // Create a new mapping.␊ |
1060 | ␉␉␊ |
1061 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
1062 | if ( map )␊ |
1063 | {␊ |
1064 | int error;␊ |
1065 | DPME *dpme_p = (DPME *)buffer;␊ |
1066 | UInt32 i, npart = UINT_MAX;␊ |
1067 | BVRef bvr;␊ |
1068 | ␉␉␉␊ |
1069 | map->biosdev = biosdev;␊ |
1070 | map->bvr = NULL;␊ |
1071 | map->bvrcnt = 0;␊ |
1072 | map->next = gDiskBVMap;␊ |
1073 | gDiskBVMap = map;␊ |
1074 | ␉␉␉␊ |
1075 | for (i=0; i<npart; i++) {␊ |
1076 | error = readBytes( biosdev, (kAPMSector + i) * factor, 0, blksize, buffer );␊ |
1077 | ␉␉␉␉␊ |
1078 | if (error || OSSwapBigToHostInt16(dpme_p->dpme_signature) != DPME_SIGNATURE) {␊ |
1079 | break;␊ |
1080 | }␊ |
1081 | ␉␉␉␉␊ |
1082 | if (i==0) {␊ |
1083 | npart = OSSwapBigToHostInt32(dpme_p->dpme_map_entries);␊ |
1084 | }␊ |
1085 | /*␊ |
1086 | ␉␉␉␉ printf("name = %s, %s%s %d -> %d [%d -> %d] {%d}\n",␊ |
1087 | ␉␉␉␉ dpme.dpme_name, dpme.dpme_type, (dpme.dpme_flags & DPME_FLAGS_BOOTABLE) ? "(bootable)" : "",␊ |
1088 | ␉␉␉␉ dpme.dpme_pblock_start, dpme.dpme_pblocks,␊ |
1089 | ␉␉␉␉ dpme.dpme_lblock_start, dpme.dpme_lblocks,␊ |
1090 | ␉␉␉␉ dpme.dpme_boot_block);␊ |
1091 | ␉␉␉␉ */␊ |
1092 | ␉␉␉␉␊ |
1093 | if (strcmp(dpme_p->dpme_type, "Apple_HFS") == 0) {␊ |
1094 | bvr = newAPMBVRef(biosdev,␊ |
1095 | i,␊ |
1096 | OSSwapBigToHostInt32(dpme_p->dpme_pblock_start) * factor,␊ |
1097 | dpme_p,␊ |
1098 | HFSInitPartition,␊ |
1099 | HFSLoadFile,␊ |
1100 | HFSReadFile,␊ |
1101 | HFSGetDirEntry,␊ |
1102 | HFSGetFileBlock,␊ |
1103 | HFSGetUUID,␊ |
1104 | HFSGetDescription,␊ |
1105 | HFSFree,␊ |
1106 | 0,␊ |
1107 | kBIOSDevTypeHardDrive, 0);␊ |
1108 | bvr->next = map->bvr;␊ |
1109 | map->bvr = bvr;␊ |
1110 | map->bvrcnt++;␊ |
1111 | }␊ |
1112 | }␊ |
1113 | }␊ |
1114 | } while (0);␊ |
1115 | ␉␊ |
1116 | free(buffer);␊ |
1117 | ␉␊ |
1118 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1119 | ␉␊ |
1120 | return map ? map->bvr : NULL;␊ |
1121 | }␊ |
1122 | ␊ |
1123 | //==========================================================================␊ |
1124 | #endif ␊ |
1125 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1126 | ␊ |
1127 | /*␊ |
1128 | * Trying to figure out the filsystem type of a given partition.␊ |
1129 | */␊ |
1130 | static int probeFileSystem(int biosdev, unsigned int blkoff)␊ |
1131 | {␊ |
1132 | ␉// detected filesystem type;␊ |
1133 | ␉int result = -1;␊ |
1134 | #ifndef NO_WIN_SUPPORT␊ |
1135 | ␉int fatbits;␊ |
1136 | #endif␊ |
1137 | ␊ |
1138 | ␉// Allocating buffer for 4 sectors.␊ |
1139 | ␉const void * probeBuffer = malloc(PROBEFS_SIZE);␊ |
1140 | ␉if (probeBuffer == NULL)␊ |
1141 | ␉␉goto exit;␊ |
1142 | ␉␊ |
1143 | ␉// Reading first 4 sectors of current partition␊ |
1144 | ␉int error = readBytes(biosdev, blkoff, 0, PROBEFS_SIZE, (void *)probeBuffer);␊ |
1145 | ␉if (error)␊ |
1146 | ␉␉goto exit;␊ |
1147 | ␉␊ |
1148 | ␉if (HFSProbe(probeBuffer))␊ |
1149 | ␉␉result = FDISK_HFS;␊ |
1150 | #ifndef NO_LINUX_SUPPORT␊ |
1151 | ␉else if (EX2Probe(probeBuffer))␊ |
1152 | ␉␉result = FDISK_LINUX;␊ |
1153 | #endif␊ |
1154 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1155 | ␉else if (FreeBSDProbe(probeBuffer))␊ |
1156 | ␉␉result = FDISK_FREEBSD;␊ |
1157 | ␉else if (OpenBSDProbe(probeBuffer))␊ |
1158 | ␉␉result = FDISK_OPENBSD;␊ |
1159 | #endif␊ |
1160 | #ifndef NO_WIN_SUPPORT␊ |
1161 | ␉else if (NTFSProbe(probeBuffer))␊ |
1162 | ␉␉result = FDISK_NTFS;␊ |
1163 | ␉else if ((fatbits=MSDOSProbe(probeBuffer)))␊ |
1164 | ␉{␊ |
1165 | ␉␉switch (fatbits)␊ |
1166 | ␉␉{␊ |
1167 | ␉␉␉case 32:␊ |
1168 | ␉␉␉default:␊ |
1169 | ␉␉␉␉result = FDISK_FAT32;␊ |
1170 | ␉␉␉␉break;␊ |
1171 | ␉␉␉case 16:␊ |
1172 | ␉␉␉␉result = FDISK_DOS16B;␊ |
1173 | ␉␉␉␉break;␊ |
1174 | ␉␉␉case 12:␊ |
1175 | ␉␉␉␉result = FDISK_DOS12;␊ |
1176 | ␉␉␉␉break;␉␉␉ ␊ |
1177 | ␉␉}␊ |
1178 | ␉}␊ |
1179 | #endif␊ |
1180 | ␉else␊ |
1181 | ␉␉// Couldn't detect filesystem type␊ |
1182 | ␉␉result = 0;␊ |
1183 | ␉␊ |
1184 | exit:␊ |
1185 | ␉if (probeBuffer != NULL) free((void *)probeBuffer);␊ |
1186 | ␉return result;␊ |
1187 | }␊ |
1188 | ␊ |
1189 | static bool isPartitionUsed(gpt_ent * partition)␊ |
1190 | {␊ |
1191 | //␊ |
1192 | // Ask whether the given partition is used.␊ |
1193 | //␊ |
1194 | ␉␊ |
1195 | return efi_guid_is_null((EFI_GUID const*)partition->ent_type) ? false : true;␊ |
1196 | }␊ |
1197 | ␊ |
1198 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1199 | ␊ |
1200 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr )␊ |
1201 | {␊ |
1202 | ␉if (biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) ␊ |
1203 | ␉␉return NULL;␊ |
1204 | ␉␊ |
1205 | struct DiskBVMap * map = NULL;␊ |
1206 | void *buffer = malloc(BPS);␊ |
1207 | int error;␉␊ |
1208 | if ( (error = readBytes( biosdev, /*secno*/0, 0, BPS, buffer )) != 0) {␊ |
1209 | DBG("Failed to read boot sector from BIOS device %02xh. Error=%d\n", biosdev, error);␊ |
1210 | goto scanErr;␊ |
1211 | }␊ |
1212 | struct REAL_disk_blk0 *fdiskMap = buffer;␊ |
1213 | if ( OSSwapLittleToHostInt16(fdiskMap->signature) != DISK_SIGNATURE )␊ |
1214 | {␊ |
1215 | verbose("Failed to find boot signature on BIOS device %02xh\n", biosdev);␊ |
1216 | goto scanErr;␊ |
1217 | }␊ |
1218 | ␉␊ |
1219 | int fdiskID = 0;␊ |
1220 | unsigned index;␊ |
1221 | for ( index = 0; index < FDISK_NPART; index++ )␊ |
1222 | {␊ |
1223 | if ( fdiskMap->parts[index].systid )␊ |
1224 | {␊ |
1225 | if ( fdiskMap->parts[index].systid == 0xEE )␊ |
1226 | {␊ |
1227 | // Fail if two 0xEE partitions are present which␊ |
1228 | // means the FDISK code will wind up parsing it.␊ |
1229 | if ( fdiskID ) goto scanErr;␊ |
1230 | ␉␉␉␉␊ |
1231 | fdiskID = index + 1;␊ |
1232 | }␊ |
1233 | }␊ |
1234 | }␊ |
1235 | ␉␊ |
1236 | if ( fdiskID == 0 ) goto scanErr;␊ |
1237 | DBG("Attempting to read GPT\n");␊ |
1238 | ␉␊ |
1239 | if(readBytes(biosdev, 1, 0, BPS, buffer) != 0)␊ |
1240 | goto scanErr;␊ |
1241 | ␊ |
1242 | gpt_hdr *headerMap = buffer;␊ |
1243 | ␉␊ |
1244 | // Determine whether the partition header signature is present.␊ |
1245 | ␉␊ |
1246 | if ( memcmp(headerMap->hdr_sig, GPT_HDR_SIG, strlen(GPT_HDR_SIG)) )␊ |
1247 | {␊ |
1248 | goto scanErr;␊ |
1249 | }␊ |
1250 | ␉␊ |
1251 | // Determine whether the partition header size is valid.␊ |
1252 | ␉␊ |
1253 | UInt32 headerCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_self);␊ |
1254 | UInt32 headerSize = OSSwapLittleToHostInt32(headerMap->hdr_size);␊ |
1255 | ␉␊ |
1256 | if ( headerSize < offsetof(gpt_hdr, padding) )␊ |
1257 | {␊ |
1258 | goto scanErr;␊ |
1259 | }␊ |
1260 | ␉␊ |
1261 | if ( headerSize > BPS )␊ |
1262 | {␊ |
1263 | goto scanErr;␊ |
1264 | }␊ |
1265 | ␉␊ |
1266 | // Determine whether the partition header checksum is valid.␊ |
1267 | ␉␊ |
1268 | headerMap->hdr_crc_self = 0;␊ |
1269 | ␉␊ |
1270 | if ( crc32(0, headerMap, headerSize) != headerCheck )␊ |
1271 | {␊ |
1272 | goto scanErr;␊ |
1273 | }␊ |
1274 | ␉␊ |
1275 | // Determine whether the partition entry size is valid.␊ |
1276 | ␉␊ |
1277 | UInt64 gptBlock = 0;␊ |
1278 | UInt32 gptCheck = 0;␊ |
1279 | UInt32 gptCount = 0;␊ |
1280 | UInt32 gptID = 0;␊ |
1281 | gpt_ent * gptMap = 0;␊ |
1282 | UInt32 gptSize = 0;␊ |
1283 | ␉␊ |
1284 | gptBlock = OSSwapLittleToHostInt64(headerMap->hdr_lba_table);␊ |
1285 | gptCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_table);␊ |
1286 | gptCount = OSSwapLittleToHostInt32(headerMap->hdr_entries);␊ |
1287 | gptSize = OSSwapLittleToHostInt32(headerMap->hdr_entsz);␊ |
1288 | ␉␊ |
1289 | if ( gptSize < sizeof(gpt_ent) )␊ |
1290 | {␊ |
1291 | goto scanErr;␊ |
1292 | }␊ |
1293 | ␉␊ |
1294 | // Allocate a buffer large enough to hold one map, rounded to a media block.␊ |
1295 | free(buffer);␊ |
1296 | buffer = NULL;␊ |
1297 | ␉␊ |
1298 | UInt32 bufferSize = IORound(gptCount * gptSize, BPS);␊ |
1299 | if(bufferSize == 0)␊ |
1300 | goto scanErr;␊ |
1301 | buffer = malloc(bufferSize);␊ |
1302 | ␉␊ |
1303 | if(readBytes(biosdev, gptBlock, 0, bufferSize, buffer) != 0)␊ |
1304 | goto scanErr;␊ |
1305 | ␉␊ |
1306 | DBG("Read GPT\n");␊ |
1307 | ␉␊ |
1308 | // Allocate a new map for this BIOS device and insert it into the chain␊ |
1309 | map = malloc(sizeof(*map));␊ |
1310 | map->biosdev = biosdev;␊ |
1311 | map->bvr = NULL;␊ |
1312 | map->bvrcnt = 0;␊ |
1313 | map->next = gDiskBVMap;␊ |
1314 | gDiskBVMap = map;␊ |
1315 | ␉␊ |
1316 | // fdisk like partition type id.␊ |
1317 | int fsType = 0;␊ |
1318 | ␊ |
1319 | for(gptID = 1; gptID <= gptCount; ++gptID)␊ |
1320 | {␊ |
1321 | ␉␉BVRef bvr = NULL;␊ |
1322 | ␉␉unsigned int bvrFlags = 0;␊ |
1323 | ␉␉␊ |
1324 | // size on disk can be larger than sizeof(gpt_ent)␊ |
1325 | gptMap = (gpt_ent *) ( buffer + ( (gptID - 1) * gptSize) );␊ |
1326 | ␉␉␊ |
1327 | // NOTE: EFI_GUID's are in LE and we know we're on an x86.␊ |
1328 | // The IOGUIDPartitionScheme.cpp code uses byte-based UUIDs, we don't.␊ |
1329 | ␉␉␊ |
1330 | if(isPartitionUsed(gptMap))␊ |
1331 | {␊ |
1332 | char stringuuid[100];␊ |
1333 | efi_guid_unparse_upper((EFI_GUID*)gptMap->ent_type, stringuuid);␊ |
1334 | verbose("Reading GPT partition %d, type %s\n", gptID, stringuuid);␊ |
1335 | ␉␉␉␊ |
1336 | // Getting fdisk like partition type.␊ |
1337 | fsType = probeFileSystem(biosdev, gptMap->ent_lba_start);␊ |
1338 | ␉␉␉␊ |
1339 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1340 | ␉␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1341 | {␊ |
1342 | #ifdef BOOT_HELPER_SUPPORT␊ |
1343 | bvrFlags = (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ? kBVFlagBooter : 0;␊ |
1344 | #else␊ |
1345 | ␉␉␉␉if (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ␊ |
1346 | ␉␉␉␉␉continue;␊ |
1347 | ␉␉␉␉else ␊ |
1348 | ␉␉␉␉␉bvrFlags = 0;␊ |
1349 | ␊ |
1350 | #endif␊ |
1351 | bvr = newGPTBVRef(biosdev,␊ |
1352 | ␉␉␉␉␉␉␉␉ gptID,␊ |
1353 | ␉␉␉␉␉␉␉␉ gptMap->ent_lba_start,␊ |
1354 | ␉␉␉␉␉␉␉␉ gptMap,␊ |
1355 | ␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1356 | ␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1357 | ␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1358 | ␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1359 | ␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1360 | ␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1361 | ␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1362 | ␉␉␉␉␉␉␉␉ HFSFree,␊ |
1363 | ␉␉␉␉␉␉␉␉ 0,␊ |
1364 | ␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, bvrFlags);␊ |
1365 | }␊ |
1366 | ␉␉␉␊ |
1367 | ␉␉␉// zef - foreign OS support␊ |
1368 | if ( (efi_guid_compare(&GPT_BASICDATA_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1369 | ␉␉␉␉(efi_guid_compare(&GPT_BASICDATA2_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1370 | {␊ |
1371 | ␉␉␉␉␊ |
1372 | ␉␉␉␉switch (fsType)␊ |
1373 | ␉␉␉␉{␊ |
1374 | #ifndef NO_WIN_SUPPORT␊ |
1375 | ␊ |
1376 | ␉␉␉␉␉case FDISK_NTFS:␊ |
1377 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1378 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, NTFSGetDescription,␊ |
1379 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1380 | ␉␉␉␉␉␉break;␊ |
1381 | #endif␊ |
1382 | ␉␉␉␉␉default:␊ |
1383 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1384 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, 0,␊ |
1385 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1386 | ␉␉␉␉␉␉break;␊ |
1387 | ␉␉␉␉}␊ |
1388 | ␉␉␉␉␊ |
1389 | }␊ |
1390 | ␉␉␉␊ |
1391 | // turbo - save our booter partition␊ |
1392 | // zef - only on original boot device␊ |
1393 | if ( (efi_guid_compare(&GPT_EFISYS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1394 | {␊ |
1395 | ␉␉␉␉switch (fsType)␊ |
1396 | ␉␉␉␉{␊ |
1397 | ␉␉␉␉␉case FDISK_HFS:␊ |
1398 | ␉␉␉␉␉␉if (readBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1399 | ␉␉␉␉␉␉{␊ |
1400 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1401 | ␉␉␉␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1402 | ␉␉␉␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1403 | ␉␉␉␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1404 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1405 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1406 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1407 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1408 | ␉␉␉␉␉␉␉␉␉␉␉ HFSFree,␊ |
1409 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1410 | ␉␉␉␉␉␉}␊ |
1411 | ␉␉␉␉␉␉break;␊ |
1412 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
1413 | ␉␉␉␉␉case FDISK_FAT32:␊ |
1414 | ␉␉␉␉␉␉if (testFAT32EFIBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1415 | ␉␉␉␉␉␉{␊ |
1416 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1417 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSInitPartition,␊ |
1418 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSLoadFile,␊ |
1419 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSReadFile,␊ |
1420 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDirEntry,␊ |
1421 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetFileBlock,␊ |
1422 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetUUID,␊ |
1423 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDescription,␊ |
1424 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSFree,␊ |
1425 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1426 | ␉␉␉␉␉␉}␊ |
1427 | ␉␉␉␉␉␉break;␊ |
1428 | #endif␊ |
1429 | ␉␉␉␉␉default:␉␉␉␉␉␉␊ |
1430 | ␉␉␉␉␉␉if (biosdev == gBIOSDev)␊ |
1431 | ␉␉␉␉␉␉␉gBIOSBootVolume = bvr;␊ |
1432 | ␉␉␉␉␉␉break;␊ |
1433 | ␉␉␉␉}␊ |
1434 | } ␊ |
1435 | ␉␉␉␊ |
1436 | ␉␉␉if (bvr)␊ |
1437 | ␉␉␉{␊ |
1438 | ␉␉␉␉// Fixup bvr with the fake fdisk partition type.␊ |
1439 | ␉␉␉␉if (fsType > 0) bvr->part_type = fsType;␊ |
1440 | ␉␉␉␉␊ |
1441 | ␉␉␉␉bvr->next = map->bvr;␊ |
1442 | ␉␉␉␉map->bvr = bvr;␊ |
1443 | ␉␉␉␉++map->bvrcnt;␊ |
1444 | ␉␉␉}␊ |
1445 | ␉␉␉␊ |
1446 | }␊ |
1447 | }␊ |
1448 | ␉␊ |
1449 | scanErr:␊ |
1450 | free(buffer);␊ |
1451 | ␉␊ |
1452 | if(map)␊ |
1453 | {␊ |
1454 | if(countPtr) *countPtr = map->bvrcnt;␊ |
1455 | return map->bvr;␊ |
1456 | }␊ |
1457 | else␊ |
1458 | {␊ |
1459 | if(countPtr) *countPtr = 0;␊ |
1460 | return NULL;␊ |
1461 | }␊ |
1462 | }␊ |
1463 | ␊ |
1464 | //==========================================================================␊ |
1465 | ␊ |
1466 | static void scanFSLevelBVRSettings(BVRef chain)␊ |
1467 | {␊ |
1468 | ␉BVRef bvr;␊ |
1469 | ␉char dirSpec[512], fileSpec[512];␉␊ |
1470 | ␉int ret;␊ |
1471 | ␉long flags, time;␊ |
1472 | #ifdef BOOT_HELPER_SUPPORT␊ |
1473 | ␉char label[BVSTRLEN];␊ |
1474 | ␉int fh, fileSize, error;␊ |
1475 | #endif␊ |
1476 | ␉for (bvr = chain; bvr; bvr = bvr->next)␊ |
1477 | ␉{␊ |
1478 | ␉␉ret = -1;␊ |
1479 | #ifdef BOOT_HELPER_SUPPORT␊ |
1480 | ␉␉error = 0;␊ |
1481 | ␊ |
1482 | ␉␉//␊ |
1483 | ␉␉// Check for alternate volume label on boot helper partitions.␊ |
1484 | ␉␉//␊ |
1485 | ␉␉if (bvr->flags & kBVFlagBooter)␊ |
1486 | ␉␉{␊ |
1487 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1488 | ␉␉␉strcpy(fileSpec, ".disk_label.contentDetails");␊ |
1489 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1490 | ␉␉␉if (!ret)␊ |
1491 | ␉␉␉{␊ |
1492 | ␉␉␉␉fh = open(strcat(dirSpec, fileSpec));␊ |
1493 | ␉␉␉␉fileSize = file_size(fh);␊ |
1494 | ␉␉␉␉if (fileSize > 0 && fileSize < BVSTRLEN)␊ |
1495 | ␉␉␉␉{␊ |
1496 | ␉␉␉␉␉if (read(fh, label, fileSize) != fileSize)␊ |
1497 | ␉␉␉␉␉␉error = -1;␊ |
1498 | ␉␉␉␉}␊ |
1499 | ␉␉␉␉else␊ |
1500 | ␉␉␉␉␉error = -1;␊ |
1501 | ␉␉␉␉␊ |
1502 | ␉␉␉␉close(fh);␊ |
1503 | ␉␉␉␉␊ |
1504 | ␉␉␉␉if (!error)␊ |
1505 | ␉␉␉␉{␊ |
1506 | ␉␉␉␉␉label[fileSize] = '\0';␊ |
1507 | ␉␉␉␉␉strcpy(bvr->altlabel, label);␊ |
1508 | ␉␉␉␉}␊ |
1509 | ␉␉␉}␊ |
1510 | ␉␉}␊ |
1511 | #endif␊ |
1512 | ␉␉//␊ |
1513 | ␉␉// Check for SystemVersion.plist or ServerVersion.plist␊ |
1514 | ␉␉// to determine if a volume hosts an installed system.␊ |
1515 | ␉␉//␊ |
1516 | ␉␉if (bvr->flags & kBVFlagNativeBoot)␊ |
1517 | ␉␉{␊ |
1518 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1519 | ␉␉␉strcpy(fileSpec, "SystemVersion.plist");␊ |
1520 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1521 | ␉␉␉␊ |
1522 | ␉␉␉if (ret == -1)␊ |
1523 | ␉␉␉{␊ |
1524 | ␉␉␉␉strcpy(fileSpec, "ServerVersion.plist");␊ |
1525 | ␉␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1526 | ␉␉␉}␊ |
1527 | ␉␉␉␊ |
1528 | ␉␉␉if (!ret)␊ |
1529 | ␉␉␉␉bvr->flags |= kBVFlagSystemVolume;␊ |
1530 | ␉␉}␊ |
1531 | ␉␉␊ |
1532 | ␉}␊ |
1533 | }␊ |
1534 | #ifndef OPTION_ROM␊ |
1535 | void rescanBIOSDevice(int biosdev)␊ |
1536 | {␊ |
1537 | ␉struct DiskBVMap *oldMap = diskResetBootVolumes(biosdev);␊ |
1538 | ␉CacheReset();␊ |
1539 | ␉diskFreeMap(oldMap);␊ |
1540 | ␉oldMap = NULL;␊ |
1541 | ␉scanBootVolumes(biosdev, 0);␊ |
1542 | }␊ |
1543 | #endif␊ |
1544 | ␊ |
1545 | struct DiskBVMap* diskResetBootVolumes(int biosdev)␊ |
1546 | {␊ |
1547 | struct DiskBVMap * map;␊ |
1548 | struct DiskBVMap *prevMap = NULL;␊ |
1549 | for ( map = gDiskBVMap; map; prevMap = map, map = map->next ) {␊ |
1550 | if ( biosdev == map->biosdev ) {␊ |
1551 | break;␊ |
1552 | }␊ |
1553 | }␊ |
1554 | if(map != NULL)␊ |
1555 | {␊ |
1556 | verbose("Resetting BIOS device %xh\n", biosdev);␊ |
1557 | // Reset the biosbuf cache␊ |
1558 | cache_valid = false;␊ |
1559 | if(map == gDiskBVMap)␊ |
1560 | gDiskBVMap = map->next;␊ |
1561 | else if(prevMap != NULL)␊ |
1562 | prevMap->next = map->next;␊ |
1563 | else␊ |
1564 | stop("");␊ |
1565 | }␊ |
1566 | // Return the old map, either to be freed, or reinserted later␊ |
1567 | return map;␊ |
1568 | }␊ |
1569 | ␊ |
1570 | // Frees a DiskBVMap and all of its BootVolume's␊ |
1571 | void diskFreeMap(struct DiskBVMap *map)␊ |
1572 | {␊ |
1573 | if(map != NULL)␊ |
1574 | {␊ |
1575 | while(map->bvr != NULL)␊ |
1576 | {␊ |
1577 | BVRef bvr = map->bvr;␊ |
1578 | map->bvr = bvr->next;␊ |
1579 | (*bvr->bv_free)(bvr);␊ |
1580 | }␊ |
1581 | free(map);␊ |
1582 | }␊ |
1583 | }␊ |
1584 | ␊ |
1585 | BVRef diskScanBootVolumes( int biosdev, int * countPtr )␊ |
1586 | {␊ |
1587 | struct DiskBVMap * map;␊ |
1588 | BVRef bvr;␊ |
1589 | int count = 0;␊ |
1590 | ␉␊ |
1591 | // Find an existing mapping for this device.␊ |
1592 | ␉␊ |
1593 | for ( map = gDiskBVMap; map; map = map->next ) {␊ |
1594 | if ( biosdev == map->biosdev ) {␊ |
1595 | count = map->bvrcnt;␊ |
1596 | break;␊ |
1597 | }␊ |
1598 | }␊ |
1599 | ␉␊ |
1600 | if (map == NULL) {␊ |
1601 | bvr = diskScanGPTBootVolumes(biosdev, &count);␊ |
1602 | if (bvr == NULL) {␊ |
1603 | ␉␉␉bvr = diskScanFDiskBootVolumes(biosdev, &count);␊ |
1604 | }␊ |
1605 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1606 | if (bvr == NULL) {␊ |
1607 | ␉␉␉bvr = diskScanAPMBootVolumes(biosdev, &count);␊ |
1608 | }␊ |
1609 | #endif␊ |
1610 | if (bvr)␊ |
1611 | {␊ |
1612 | ␉␉␉scanFSLevelBVRSettings(bvr);␊ |
1613 | }␊ |
1614 | } else {␊ |
1615 | bvr = map->bvr;␊ |
1616 | }␊ |
1617 | if (countPtr) *countPtr += count;␊ |
1618 | return bvr;␊ |
1619 | }␊ |
1620 | ␊ |
1621 | BVRef getBVChainForBIOSDev(int biosdev)␊ |
1622 | {␊ |
1623 | ␉BVRef chain = NULL;␊ |
1624 | ␉struct DiskBVMap * map = NULL;␊ |
1625 | ␉␊ |
1626 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1627 | ␉{␊ |
1628 | ␉␉if (map->biosdev == biosdev)␊ |
1629 | ␉␉{␊ |
1630 | ␉␉␉chain = map->bvr;␊ |
1631 | ␉␉␉break;␊ |
1632 | ␉␉}␊ |
1633 | ␉}␊ |
1634 | ␉␊ |
1635 | ␉return chain;␊ |
1636 | }␊ |
1637 | ␊ |
1638 | BVRef newFilteredBVChain(int minBIOSDev, int maxBIOSDev, unsigned int allowFlags, unsigned int denyFlags, int *count)␊ |
1639 | {␊ |
1640 | ␉BVRef chain = NULL;␊ |
1641 | ␉BVRef bvr = NULL;␊ |
1642 | ␉BVRef newBVR = NULL;␊ |
1643 | ␉BVRef prevBVR = NULL;␊ |
1644 | ␉␊ |
1645 | ␉struct DiskBVMap * map = NULL;␊ |
1646 | ␉int bvCount = 0;␊ |
1647 | ␉␊ |
1648 | ␉const char *raw = 0;␊ |
1649 | ␉char* val = 0;␊ |
1650 | ␉int len;␊ |
1651 | ␊ |
1652 | ␉getValueForKey(kHidePartition, &raw, &len, &bootInfo->bootConfig);␊ |
1653 | ␉if(raw)␊ |
1654 | ␉{␊ |
1655 | ␉␉val = XMLDecode(raw); ␊ |
1656 | ␉}␊ |
1657 | ␉␊ |
1658 | ␉/*␊ |
1659 | ␉ * Traverse gDISKBVmap to get references for␊ |
1660 | ␉ * individual bvr chains of each drive.␊ |
1661 | ␉ */␊ |
1662 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1663 | ␉{␊ |
1664 | ␉␉for (bvr = map->bvr; bvr; bvr = bvr->next)␊ |
1665 | ␉␉{␊ |
1666 | ␉␉␉/*␊ |
1667 | ␉␉␉ * Save the last bvr.␊ |
1668 | ␉␉␉ */␊ |
1669 | ␉␉␉if (newBVR) prevBVR = newBVR;␊ |
1670 | ␉␉␉␊ |
1671 | ␉␉␉/*␊ |
1672 | ␉␉␉ * Allocate and copy the matched bvr entry into a new one.␊ |
1673 | ␉␉␉ */␊ |
1674 | ␉␉␉newBVR = (BVRef) malloc(sizeof(*newBVR));␊ |
1675 | ␉␉␉bcopy(bvr, newBVR, sizeof(*newBVR));␊ |
1676 | ␉␉␉␊ |
1677 | ␉␉␉/*␊ |
1678 | ␉␉␉ * Adjust the new bvr's fields.␊ |
1679 | ␉␉␉ */␊ |
1680 | ␉␉␉newBVR->next = NULL;␊ |
1681 | ␉␉␉newBVR->filtered = true;␊ |
1682 | ␉␉␉␊ |
1683 | ␉␉␉if ( (!allowFlags || newBVR->flags & allowFlags)␊ |
1684 | ␉␉␉␉&& (!denyFlags || !(newBVR->flags & denyFlags) )␊ |
1685 | ␉␉␉␉&& (newBVR->biosdev >= minBIOSDev && newBVR->biosdev <= maxBIOSDev)␊ |
1686 | ␉␉␉␉)␊ |
1687 | ␉␉␉␉newBVR->visible = true;␊ |
1688 | ␉␉␉␊ |
1689 | ␉␉␉/* Looking for "Hide Partition" entries in 'hd(x,y)|uuid|"label" hd(m,n)|uuid|"label"' format␊ |
1690 | ␉␉␉ * to be able to hide foreign partitions from the boot menu.␊ |
1691 | ␉␉␉ */␊ |
1692 | ␉␉␉if ( (newBVR->flags & kBVFlagForeignBoot) )␊ |
1693 | ␉␉␉{␊ |
1694 | ␉␉␉␉char *start, *next = val;␊ |
1695 | ␉␉␉␉long len = 0; ␊ |
1696 | ␉␉␉␉do␊ |
1697 | ␉␉␉␉{␊ |
1698 | ␉␉␉␉␉start = strbreak(next, &next, &len);␊ |
1699 | ␉␉␉␉␉if(len && matchVolumeToString(newBVR, start, len) )␊ |
1700 | ␉␉␉␉␉␉newBVR->visible = false;␊ |
1701 | ␉␉␉␉}␊ |
1702 | ␉␉␉␉while ( next && *next );␊ |
1703 | ␉␉␉}␊ |
1704 | ␉␉␉␊ |
1705 | ␉␉␉/*␊ |
1706 | ␉␉␉ * Use the first bvr entry as the starting chain pointer.␊ |
1707 | ␉␉␉ */␊ |
1708 | ␉␉␉if (!chain)␊ |
1709 | ␉␉␉␉chain = newBVR;␊ |
1710 | ␉␉␉␊ |
1711 | ␉␉␉/*␊ |
1712 | ␉␉␉ * Update the previous bvr's link pointer to use the new memory area.␊ |
1713 | ␉␉␉ */␊ |
1714 | ␉␉␉if (prevBVR)␊ |
1715 | ␉␉␉␉prevBVR->next = newBVR;␊ |
1716 | ␉␉␉␊ |
1717 | ␉␉␉if (newBVR->visible)␊ |
1718 | ␉␉␉␉bvCount++;␊ |
1719 | ␉␉}␊ |
1720 | ␉}␊ |
1721 | ␉␊ |
1722 | #if DEBUG␊ |
1723 | ␉for (bvr = chain; bvr; bvr = bvr->next)␊ |
1724 | ␉{␊ |
1725 | ␉␉printf(" bvr: %d, dev: %d, part: %d, flags: %d, vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->visible);␊ |
1726 | ␉}␊ |
1727 | ␉printf("count: %d\n", bvCount);␊ |
1728 | ␉getc();␊ |
1729 | #endif␊ |
1730 | ␉␊ |
1731 | ␉*count = bvCount;␊ |
1732 | ␉␊ |
1733 | ␉free(val); ␊ |
1734 | ␉return chain;␊ |
1735 | }␊ |
1736 | ␊ |
1737 | int freeFilteredBVChain(const BVRef chain)␊ |
1738 | {␊ |
1739 | ␉int ret = 1;␊ |
1740 | ␉BVRef bvr = chain;␊ |
1741 | ␉BVRef nextBVR = NULL;␊ |
1742 | ␉␊ |
1743 | ␉while (bvr)␊ |
1744 | ␉{␊ |
1745 | ␉␉nextBVR = bvr->next;␊ |
1746 | ␉␉␊ |
1747 | ␉␉if (bvr->filtered)␊ |
1748 | ␉␉{␊ |
1749 | ␉␉␉free(bvr);␊ |
1750 | ␉␉}␊ |
1751 | ␉␉else␊ |
1752 | ␉␉{␊ |
1753 | ␉␉␉ret = 0;␊ |
1754 | ␉␉␉break;␊ |
1755 | ␉␉}␊ |
1756 | ␉␉␊ |
1757 | ␉␉bvr = nextBVR;␊ |
1758 | ␉}␊ |
1759 | ␉␊ |
1760 | ␉return ret;␊ |
1761 | }␊ |
1762 | ␊ |
1763 | //==========================================================================␊ |
1764 | ␊ |
1765 | static const struct NamedValue fdiskTypes[] =␊ |
1766 | {␊ |
1767 | #ifndef NO_WIN_SUPPORT␊ |
1768 | { FDISK_NTFS, "Windows NTFS" },␊ |
1769 | ␉{ FDISK_DOS12, "Windows FAT12" },␊ |
1770 | ␉{ FDISK_DOS16B, "Windows FAT16" },␊ |
1771 | ␉{ FDISK_DOS16S, "Windows FAT16" },␊ |
1772 | ␉{ FDISK_DOS16SLBA, "Windows FAT16" },␊ |
1773 | ␉{ FDISK_SMALLFAT32, "Windows FAT32" },␊ |
1774 | ␉{ FDISK_FAT32, "Windows FAT32" },␊ |
1775 | #endif␊ |
1776 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1777 | ␉{ FDISK_FREEBSD, "FreeBSD" },␊ |
1778 | { FDISK_OPENBSD, "OpenBSD" },␊ |
1779 | #endif␊ |
1780 | #ifndef NO_LINUX_SUPPORT␊ |
1781 | { FDISK_LINUX, "Linux" },␊ |
1782 | #endif␊ |
1783 | #ifdef UFS_SUPPORT␊ |
1784 | { FDISK_UFS, "Apple UFS" },␊ |
1785 | #endif␊ |
1786 | { FDISK_HFS, "Apple HFS" },␊ |
1787 | { FDISK_BOOTER, "Apple Boot/UFS" },␊ |
1788 | { 0xCD, "CD-ROM" },␊ |
1789 | { 0x00, 0 } /* must be last */␊ |
1790 | };␊ |
1791 | ␊ |
1792 | //==========================================================================␊ |
1793 | ␊ |
1794 | bool matchVolumeToString( BVRef bvr, const char* match, long matchLen)␊ |
1795 | {␊ |
1796 | ␉char testStr[128];␊ |
1797 | ␉␊ |
1798 | ␉if ( !bvr || !match || !*match)␊ |
1799 | ␉␉return 0;␊ |
1800 | ␉␊ |
1801 | ␉if ( bvr->biosdev < 0x80 || bvr->biosdev >= 0x100 )␊ |
1802 | return 0;␊ |
1803 | ␊ |
1804 | // Try to match hd(x,y) first.␊ |
1805 | sprintf(testStr, "hd(%d,%d)", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1806 | if ( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1807 | return true;␊ |
1808 | ␊ |
1809 | // Try to match volume UUID.␊ |
1810 | if ( bvr->fs_getuuid && bvr->fs_getuuid(bvr, testStr) == 0)␊ |
1811 | {␊ |
1812 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1813 | return true;␊ |
1814 | }␊ |
1815 | ␊ |
1816 | // Try to match volume label (always quoted).␊ |
1817 | if ( bvr->description )␊ |
1818 | {␊ |
1819 | bvr->description(bvr, testStr, sizeof(testStr)-1);␊ |
1820 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1821 | return true;␊ |
1822 | }␊ |
1823 | ␊ |
1824 | return false;␊ |
1825 | }␊ |
1826 | ␊ |
1827 | /* If Rename Partition has defined an alias, then extract it for description purpose␊ |
1828 | * The format for the rename string is the following:␊ |
1829 | * hd(x,y)|uuid|"label" "alias";hd(m,n)|uuid|"label" etc; ...␊ |
1830 | */␊ |
1831 | ␊ |
1832 | bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen)␊ |
1833 | {␊ |
1834 | char *aliasList, *entryStart, *entryNext;␊ |
1835 | ␊ |
1836 | if ( !str || strMaxLen <= 0)␊ |
1837 | return false;␊ |
1838 | ␊ |
1839 | aliasList = XMLDecode(getStringForKey(kRenamePartition, &bootInfo->bootConfig));␊ |
1840 | if ( !aliasList )␊ |
1841 | return false;␊ |
1842 | ␊ |
1843 | for ( entryStart = entryNext = aliasList;␊ |
1844 | ␉␉ entryNext && *entryNext;␊ |
1845 | ␉␉ entryStart = entryNext )␊ |
1846 | {␊ |
1847 | char *volStart, *volEnd, *aliasStart;␊ |
1848 | long volLen, aliasLen;␊ |
1849 | ␊ |
1850 | // Delimit current entry␊ |
1851 | entryNext = strchr(entryStart, ';');␊ |
1852 | if ( entryNext )␊ |
1853 | {␊ |
1854 | *entryNext = '\0';␊ |
1855 | entryNext++;␊ |
1856 | }␊ |
1857 | ␊ |
1858 | volStart = strbreak(entryStart, &volEnd, &volLen);␊ |
1859 | if(!volLen)␊ |
1860 | continue;␊ |
1861 | ␊ |
1862 | aliasStart = strbreak(volEnd, 0, &aliasLen);␊ |
1863 | if(!aliasLen)␊ |
1864 | continue;␊ |
1865 | ␊ |
1866 | if ( matchVolumeToString(bvr, volStart, volLen) )␊ |
1867 | { ␊ |
1868 | strncat(str, aliasStart, min(strMaxLen, aliasLen));␊ |
1869 | free(aliasList);␊ |
1870 | ␉␉␉␊ |
1871 | return true;␊ |
1872 | }␊ |
1873 | }␊ |
1874 | ␊ |
1875 | free(aliasList);␊ |
1876 | return false;␊ |
1877 | }␊ |
1878 | ␊ |
1879 | void getBootVolumeDescription( BVRef bvr, char * str, long strMaxLen, bool useDeviceDescription )␊ |
1880 | {␊ |
1881 | unsigned char type;␊ |
1882 | char *p = str;␊ |
1883 | ␊ |
1884 | if(!bvr || !p || strMaxLen <= 0)␊ |
1885 | return;␊ |
1886 | ␊ |
1887 | type = (unsigned char) bvr->part_type;␊ |
1888 | ␉␊ |
1889 | if (useDeviceDescription)␊ |
1890 | {␊ |
1891 | int len = getDeviceDescription(bvr, str);␊ |
1892 | if(len >= strMaxLen)␊ |
1893 | return;␊ |
1894 | ␊ |
1895 | strcpy(str + len, " ");␊ |
1896 | len++;␊ |
1897 | strMaxLen -= len;␊ |
1898 | p += len;␊ |
1899 | }␊ |
1900 | ␉␊ |
1901 | /* See if a partition rename is preferred */␊ |
1902 | if(getVolumeLabelAlias(bvr, p, strMaxLen)) {␊ |
1903 | strncpy(bvr->label, p, strMaxLen); ␊ |
1904 | return; // we're done here no need to seek for real name␊ |
1905 | }␊ |
1906 | ␉␊ |
1907 | //␊ |
1908 | // Get the volume label using filesystem specific functions␊ |
1909 | // or use the alternate volume label if available.␊ |
1910 | //␊ |
1911 | ␉if (*bvr->altlabel != '\0')␊ |
1912 | strncpy(p, bvr->altlabel, strMaxLen);␊ |
1913 | ␉else if (bvr->description)␊ |
1914 | bvr->description(bvr, p, strMaxLen);␊ |
1915 | ␉␊ |
1916 | if (*p == '\0') {␊ |
1917 | const char * name = getNameForValue( fdiskTypes, type );␊ |
1918 | if (name == NULL) {␊ |
1919 | name = bvr->type_name;␊ |
1920 | }␊ |
1921 | if (name == NULL) {␊ |
1922 | sprintf(p, "TYPE %02x", type);␊ |
1923 | } else {␊ |
1924 | strncpy(p, name, strMaxLen);␊ |
1925 | }␊ |
1926 | }␊ |
1927 | ␊ |
1928 | // Set the devices label␊ |
1929 | sprintf(bvr->label, p);␊ |
1930 | }␊ |
1931 | ␊ |
1932 | //==========================================================================␊ |
1933 | int readBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
1934 | {␊ |
1935 | struct disk_blk0 * bootSector = (struct disk_blk0 *) buffer;␊ |
1936 | int error;␊ |
1937 | ␉␊ |
1938 | if ( bootSector == NULL )␊ |
1939 | {␊ |
1940 | if ( gBootSector == NULL )␊ |
1941 | {␊ |
1942 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
1943 | if ( gBootSector == NULL ) return -1;␊ |
1944 | }␊ |
1945 | bootSector = gBootSector;␊ |
1946 | }␊ |
1947 | ␉␊ |
1948 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
1949 | if ( error || bootSector->signature != DISK_SIGNATURE )␊ |
1950 | return -1;␊ |
1951 | ␉␊ |
1952 | return 0;␊ |
1953 | }␊ |
1954 | ␊ |
1955 | #ifndef NO_WIN_SUPPORT␊ |
1956 | /*␊ |
1957 | * Format of boot1f32 block.␊ |
1958 | */␊ |
1959 | ␊ |
1960 | #define BOOT1F32_MAGIC "BOOT "␊ |
1961 | #define BOOT1F32_MAGICLEN 11␊ |
1962 | ␊ |
1963 | struct disk_boot1f32_blk {␊ |
1964 | unsigned char init[3];␊ |
1965 | unsigned char fsheader[87];␊ |
1966 | unsigned char magic[BOOT1F32_MAGICLEN];␊ |
1967 | unsigned char bootcode[409];␊ |
1968 | unsigned short signature;␊ |
1969 | };␊ |
1970 | ␊ |
1971 | int testFAT32EFIBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
1972 | {␊ |
1973 | struct disk_boot1f32_blk * bootSector = (struct disk_boot1f32_blk *) buffer;␊ |
1974 | int error;␊ |
1975 | ␉␊ |
1976 | if ( bootSector == NULL )␊ |
1977 | {␊ |
1978 | if ( gBootSector == NULL )␊ |
1979 | {␊ |
1980 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
1981 | if ( gBootSector == NULL ) return -1;␊ |
1982 | }␊ |
1983 | bootSector = (struct disk_boot1f32_blk *) gBootSector;␊ |
1984 | }␊ |
1985 | ␉␊ |
1986 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
1987 | if ( error || bootSector->signature != DISK_SIGNATURE␊ |
1988 | ␉␉|| strncmp((const char *)bootSector->magic, BOOT1F32_MAGIC, BOOT1F32_MAGICLEN) )␊ |
1989 | ␉␉return -1;␊ |
1990 | ␉␊ |
1991 | return 0;␊ |
1992 | }␊ |
1993 | #endif␊ |
1994 | //==========================================================================␊ |
1995 | // Handle seek request from filesystem modules.␊ |
1996 | ␊ |
1997 | void diskSeek( BVRef bvr, long long position )␊ |
1998 | {␊ |
1999 | bvr->fs_boff = position / BPS;␊ |
2000 | bvr->fs_byteoff = position % BPS;␊ |
2001 | }␊ |
2002 | ␊ |
2003 | //==========================================================================␊ |
2004 | // Handle read request from filesystem modules.␊ |
2005 | ␊ |
2006 | int diskRead( BVRef bvr, long addr, long length )␊ |
2007 | {␊ |
2008 | return readBytes( bvr->biosdev,␊ |
2009 | ␉␉␉␉␉ bvr->fs_boff + bvr->part_boff,␊ |
2010 | ␉␉␉␉␉ bvr->fs_byteoff,␊ |
2011 | ␉␉␉␉␉ length,␊ |
2012 | ␉␉␉␉␉ (void *) addr );␊ |
2013 | }␊ |
2014 | ␊ |
2015 | #if UNUSED␊ |
2016 | int rawDiskRead( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2017 | {␊ |
2018 | int secs;␊ |
2019 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2020 | unsigned int copy_len;␊ |
2021 | int rc;␊ |
2022 | ␉␊ |
2023 | if ((len & (BPS-1)) != 0) {␊ |
2024 | error("raw disk read not sector aligned");␊ |
2025 | return -1;␊ |
2026 | }␊ |
2027 | secno += bvr->part_boff;␊ |
2028 | ␉␊ |
2029 | cache_valid = false;␊ |
2030 | ␉␊ |
2031 | while (len > 0) {␊ |
2032 | secs = len / BPS;␊ |
2033 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2034 | copy_len = secs * BPS;␊ |
2035 | ␉␉␊ |
2036 | //printf("rdr: ebiosread(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2037 | if ((rc = ebiosread(bvr->biosdev, secno, secs)) != 0) {␊ |
2038 | /* Ignore corrected ECC errors */␊ |
2039 | if (rc != ECC_CORRECTED_ERR) {␊ |
2040 | error(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
2041 | error(" Block %d Sectors %d\n", secno, secs);␊ |
2042 | return rc;␊ |
2043 | }␊ |
2044 | }␊ |
2045 | bcopy( trackbuf, cbuf, copy_len );␊ |
2046 | len -= copy_len;␊ |
2047 | cbuf += copy_len;␊ |
2048 | secno += secs;␊ |
2049 | #if TEXT_SPINNER␊ |
2050 | ␉␉spinActivityIndicator(secs);␊ |
2051 | #endif␊ |
2052 | }␊ |
2053 | ␉␊ |
2054 | return 0;␊ |
2055 | }␊ |
2056 | ␊ |
2057 | int rawDiskWrite( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2058 | {␊ |
2059 | int secs;␊ |
2060 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2061 | unsigned int copy_len;␊ |
2062 | int rc;␊ |
2063 | ␉␊ |
2064 | if ((len & (BPS-1)) != 0) {␊ |
2065 | error("raw disk write not sector aligned");␊ |
2066 | return -1;␊ |
2067 | }␊ |
2068 | secno += bvr->part_boff;␊ |
2069 | ␉␊ |
2070 | cache_valid = false;␊ |
2071 | ␉␊ |
2072 | while (len > 0) {␊ |
2073 | secs = len / BPS;␊ |
2074 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2075 | copy_len = secs * BPS;␊ |
2076 | ␉␉␊ |
2077 | bcopy( cbuf, trackbuf, copy_len );␊ |
2078 | //printf("rdr: ebioswrite(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2079 | if ((rc = ebioswrite(bvr->biosdev, secno, secs)) != 0) {␊ |
2080 | error(" EBIOS write error: %s\n", bios_error(rc), rc);␊ |
2081 | error(" Block %d Sectors %d\n", secno, secs);␊ |
2082 | return rc;␊ |
2083 | }␊ |
2084 | len -= copy_len;␊ |
2085 | cbuf += copy_len;␊ |
2086 | secno += secs;␊ |
2087 | #if TEXT_SPINNER␊ |
2088 | ␉␉spinActivityIndicator(secs);␊ |
2089 | #endif␊ |
2090 | }␊ |
2091 | ␉␊ |
2092 | return 0;␊ |
2093 | }␊ |
2094 | #endif␊ |
2095 | ␊ |
2096 | int diskIsCDROM(BVRef bvr)␊ |
2097 | {␊ |
2098 | struct driveInfo di;␊ |
2099 | ␉␊ |
2100 | if (getDriveInfo(bvr->biosdev, &di) == 0 && di.no_emulation) {␊ |
2101 | ␉␉return 1;␊ |
2102 | }␊ |
2103 | return 0;␊ |
2104 | }␊ |
2105 | ␊ |
2106 | int biosDevIsCDROM(int biosdev)␊ |
2107 | {␊ |
2108 | struct driveInfo di;␊ |
2109 | ␉␊ |
2110 | if (getDriveInfo(biosdev, &di) == 0 && di.no_emulation)␊ |
2111 | {␊ |
2112 | ␉return 1;␊ |
2113 | }␊ |
2114 | return 0;␊ |
2115 | }␊ |
2116 | |