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