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 | struct NamedValue {␊ |
155 | unsigned char value;␊ |
156 | const char * name;␊ |
157 | };␊ |
158 | ␊ |
159 | static int getDriveInfo( int biosdev, struct driveInfo *dip );␊ |
160 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
161 | ␉␉␉␉␉␉␉␉␉unsigned char value );␊ |
162 | static int Biosread( int biosdev, unsigned long long secno );␊ |
163 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
164 | ␉␉␉␉␉ unsigned int byteoff,␊ |
165 | ␉␉␉␉␉ unsigned int byteCount, void * buffer );␊ |
166 | static int isExtendedFDiskPartition( const struct fdisk_part * part );␊ |
167 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
168 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart );␊ |
169 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
170 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
171 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
172 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
173 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
174 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
175 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
176 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
177 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
178 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags );␊ |
179 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr );␊ |
180 | static int probeFileSystem(int biosdev, unsigned int blkoff);␊ |
181 | static bool isPartitionUsed(gpt_ent * partition);␊ |
182 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr );␊ |
183 | static void scanFSLevelBVRSettings(BVRef chain);␊ |
184 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
185 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr );␊ |
186 | #endif␊ |
187 | ␊ |
188 | //==========================================================================␊ |
189 | ␊ |
190 | static int getDriveInfo( int biosdev, struct driveInfo *dip )␊ |
191 | {␊ |
192 | static struct driveInfo cached_di;␊ |
193 | ␉int cc;␊ |
194 | #ifndef OPTION_ROM ␊ |
195 | // Real BIOS devices are 8-bit, so anything above that is for internal use.␊ |
196 | // Don't cache ramdisk drive info since it doesn't require several BIOS␊ |
197 | // calls and is thus not worth it.␊ |
198 | if(biosdev >= 0x100 && execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)␊ |
199 | {␊ |
200 | ␉␉int ret = 0;␊ |
201 | ␉␉execute_hook("p_get_ramdisk_info", &biosdev, (void *)dip, &ret, NULL, NULL, NULL);␊ |
202 | ␉␉return ret;␊ |
203 | ␉␉␊ |
204 | }␊ |
205 | #endif␊ |
206 | if ( !cached_di.valid || biosdev != cached_di.biosdev )␊ |
207 | {␊ |
208 | ␉␉cc = get_drive_info(biosdev, &cached_di);␊ |
209 | if (cc < 0) {␊ |
210 | ␉␉␉cached_di.valid = 0;␊ |
211 | DEBUG_DISK(("get_drive_info returned error\n"));␊ |
212 | ␉␉␉return (-1); // BIOS call error␊ |
213 | ␉␉}␊ |
214 | }␊ |
215 | ␉␊ |
216 | bcopy(&cached_di, dip, sizeof(cached_di));␊ |
217 | ␉␊ |
218 | return 0;␊ |
219 | }␊ |
220 | ␊ |
221 | //==========================================================================␊ |
222 | // Maps (E)BIOS return codes to message strings.␊ |
223 | ␊ |
224 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
225 | ␉␉␉␉␉␉␉␉␉unsigned char value )␊ |
226 | {␊ |
227 | const struct NamedValue * np;␊ |
228 | ␉␊ |
229 | for ( np = nameTable; np->value; np++)␊ |
230 | if (np->value == value)␊ |
231 | return np->name;␊ |
232 | ␉␊ |
233 | return NULL;␊ |
234 | }␊ |
235 | ␊ |
236 | #define ECC_CORRECTED_ERR 0x11␊ |
237 | ␊ |
238 | static const struct NamedValue bios_errors[] = {␊ |
239 | { 0x10, "Media error" },␊ |
240 | { 0x11, "Corrected ECC error" },␊ |
241 | { 0x20, "Controller or device error" },␊ |
242 | { 0x40, "Seek failed" },␊ |
243 | { 0x80, "Device timeout" },␊ |
244 | { 0xAA, "Drive not ready" },␊ |
245 | { 0x00, 0 }␊ |
246 | };␊ |
247 | ␊ |
248 | static const char * bios_error(int errnum)␊ |
249 | {␊ |
250 | static char errorstr[] = "Error 0x00";␊ |
251 | const char * errname;␊ |
252 | ␉␊ |
253 | errname = getNameForValue( bios_errors, errnum );␊ |
254 | if ( errname ) return errname;␊ |
255 | ␉␊ |
256 | sprintf(errorstr, "Error 0x%02x", errnum);␊ |
257 | return errorstr; // No string, print error code only␊ |
258 | }␊ |
259 | ␊ |
260 | //==========================================================================␊ |
261 | // Use BIOS INT13 calls to read the sector specified. This function will␊ |
262 | // also perform read-ahead to cache a few subsequent sector to the sector␊ |
263 | // cache.␊ |
264 | // ␊ |
265 | // Return:␊ |
266 | // 0 on success, or an error code from INT13/F2 or INT13/F42 BIOS call.␊ |
267 | ␊ |
268 | static bool cache_valid = false;␊ |
269 | ␊ |
270 | static int Biosread( int biosdev, unsigned long long secno )␊ |
271 | {␊ |
272 | static int xbiosdev, xcyl, xhead;␊ |
273 | static unsigned int xsec, xnsecs;␊ |
274 | struct driveInfo di;␊ |
275 | ␉␊ |
276 | int rc = -1;␊ |
277 | int cyl, head, sec;␊ |
278 | int tries = 0;␊ |
279 | int bps, divisor;␊ |
280 | ␉␊ |
281 | if (getDriveInfo(biosdev, &di) < 0) {␊ |
282 | ␉␉return -1;␊ |
283 | }␊ |
284 | if (di.no_emulation) {␊ |
285 | ␉␉/* Always assume 2k block size; BIOS may lie about geometry */␊ |
286 | ␉␉bps = 2048;␊ |
287 | } else {␊ |
288 | ␉␉bps = di.di.params.phys_nbps;␊ |
289 | if (bps == 0) {␊ |
290 | return -1;␊ |
291 | }␊ |
292 | }␊ |
293 | divisor = bps / BPS;␊ |
294 | ␉␊ |
295 | DEBUG_DISK(("Biosread dev %x sec %d bps %d\n", biosdev, secno, bps));␊ |
296 | ␉␊ |
297 | // To read the disk sectors, use EBIOS if we can. Otherwise,␊ |
298 | // revert to the standard BIOS calls.␊ |
299 | ␉␊ |
300 | if ((biosdev >= kBIOSDevTypeHardDrive) &&␊ |
301 | (di.uses_ebios & EBIOS_FIXED_DISK_ACCESS))␊ |
302 | {␊ |
303 | if (cache_valid &&␊ |
304 | (biosdev == xbiosdev) &&␊ |
305 | (secno >= xsec) &&␊ |
306 | ((unsigned int)secno < (xsec + xnsecs)))␊ |
307 | {␊ |
308 | biosbuf = trackbuf + (BPS * (secno - xsec));␊ |
309 | return 0;␊ |
310 | }␊ |
311 | ␉␉␊ |
312 | xnsecs = N_CACHE_SECS;␊ |
313 | xsec = (secno / divisor) * divisor;␊ |
314 | cache_valid = false;␊ |
315 | ␉␉␊ |
316 | while ((rc = ebiosread(biosdev, secno / divisor, xnsecs / divisor)) && (++tries < 5))␊ |
317 | {␊ |
318 | if (rc == ECC_CORRECTED_ERR) {␊ |
319 | /* Ignore corrected ECC errors */␊ |
320 | rc = 0;␊ |
321 | break;␊ |
322 | }␊ |
323 | error(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
324 | error(" Block 0x%x Sectors %d\n", secno, xnsecs);␊ |
325 | sleep(1);␊ |
326 | }␊ |
327 | }␊ |
328 | else␊ |
329 | {␊ |
330 | ␉␉/* spc = spt * heads */␊ |
331 | ␉␉int spc = (di.di.params.phys_spt * di.di.params.phys_heads);␊ |
332 | cyl = secno / spc;␊ |
333 | head = (secno % spc) / di.di.params.phys_spt;␊ |
334 | sec = secno % di.di.params.phys_spt;␊ |
335 | ␉␉␊ |
336 | if (cache_valid &&␊ |
337 | (biosdev == xbiosdev) &&␊ |
338 | (cyl == xcyl) &&␊ |
339 | (head == xhead) &&␊ |
340 | ((unsigned int)sec >= xsec) &&␊ |
341 | ((unsigned int)sec < (xsec + xnsecs)))␊ |
342 | {␊ |
343 | // this sector is in trackbuf cache␊ |
344 | biosbuf = trackbuf + (BPS * (sec - xsec));␊ |
345 | return 0;␊ |
346 | }␊ |
347 | ␉␉␊ |
348 | // Cache up to a track worth of sectors, but do not cross a␊ |
349 | // track boundary.␊ |
350 | ␉␉␊ |
351 | xcyl = cyl;␊ |
352 | xhead = head;␊ |
353 | xsec = sec;␊ |
354 | xnsecs = ((unsigned int)(sec + N_CACHE_SECS) > di.di.params.phys_spt) ? (di.di.params.phys_spt - sec) : N_CACHE_SECS;␊ |
355 | cache_valid = false;␊ |
356 | ␉␉␊ |
357 | while ((rc = biosread(biosdev, cyl, head, sec, xnsecs)) &&␊ |
358 | (++tries < 5))␊ |
359 | {␊ |
360 | if (rc == ECC_CORRECTED_ERR) {␊ |
361 | /* Ignore corrected ECC errors */␊ |
362 | rc = 0;␊ |
363 | break;␊ |
364 | }␊ |
365 | error(" BIOS read error: %s\n", bios_error(rc), rc);␊ |
366 | error(" Block %d, Cyl %d Head %d Sector %d\n",␊ |
367 | secno, cyl, head, sec);␊ |
368 | sleep(1);␊ |
369 | }␊ |
370 | }␊ |
371 | ␉␊ |
372 | // If the BIOS reported success, mark the sector cache as valid.␊ |
373 | ␉␊ |
374 | if (rc == 0) {␊ |
375 | cache_valid = true;␊ |
376 | }␊ |
377 | biosbuf = trackbuf + (secno % divisor) * BPS;␊ |
378 | xbiosdev = biosdev;␊ |
379 | ␊ |
380 | #if TEXT_SPINNER␊ |
381 | ␉spinActivityIndicator(xnsecs);␊ |
382 | #endif␊ |
383 | ␉␊ |
384 | return rc;␊ |
385 | }␊ |
386 | ␊ |
387 | //==========================================================================␊ |
388 | ␊ |
389 | int testBiosread( int biosdev, unsigned long long secno )␊ |
390 | {␊ |
391 | ␉return Biosread(biosdev, secno);␊ |
392 | }␊ |
393 | ␊ |
394 | //==========================================================================␊ |
395 | ␊ |
396 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
397 | ␉␉␉␉␉ unsigned int byteoff,␊ |
398 | ␉␉␉␉␉ unsigned int byteCount, void * buffer )␊ |
399 | {␊ |
400 | #ifndef OPTION_ROM ␊ |
401 | // ramdisks require completely different code for reading.␊ |
402 | ␊ |
403 | ␉␊ |
404 | ␉if(biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)){␊ |
405 | ␉␊ |
406 | ␉␉int ret = -1;␊ |
407 | ␉␉execute_hook("p_ramdiskReadBytes", &biosdev, &blkno, &byteoff, &byteCount, buffer, &ret);␊ |
408 | ␉␉return ret;␊ |
409 | ␉}␊ |
410 | #endif␉␉␉␊ |
411 | ␉␊ |
412 | char * cbuf = (char *) buffer;␊ |
413 | int error;␊ |
414 | int copy_len;␊ |
415 | ␉␊ |
416 | DEBUG_DISK(("%s: dev %x block %x [%d] -> 0x%x...", __FUNCTION__,␊ |
417 | biosdev, blkno, byteCount, (unsigned)cbuf));␊ |
418 | ␉␊ |
419 | for ( ; byteCount; cbuf += copy_len, blkno++ )␊ |
420 | {␊ |
421 | error = Biosread( biosdev, blkno );␊ |
422 | if ( error )␊ |
423 | {␊ |
424 | DEBUG_DISK(("error\n"));␊ |
425 | return (-1);␊ |
426 | }␊ |
427 | ␉␉␊ |
428 | copy_len = ((byteCount + byteoff) > BPS) ? (BPS - byteoff) : byteCount;␊ |
429 | bcopy( biosbuf + byteoff, cbuf, copy_len );␊ |
430 | byteCount -= copy_len;␊ |
431 | byteoff = 0;␊ |
432 | }␊ |
433 | ␉␊ |
434 | DEBUG_DISK(("done\n"));␊ |
435 | ␉␊ |
436 | return 0; ␊ |
437 | }␊ |
438 | ␊ |
439 | //==========================================================================␊ |
440 | ␊ |
441 | static int isExtendedFDiskPartition( const struct fdisk_part * part )␊ |
442 | {␊ |
443 | static unsigned char extParts[] =␊ |
444 | {␊ |
445 | 0x05, /* Extended */␊ |
446 | 0x0f, /* Win95 extended */␊ |
447 | 0x85, /* Linux extended */␊ |
448 | };␊ |
449 | ␉␊ |
450 | unsigned int i;␊ |
451 | ␉␊ |
452 | for (i = 0; i < sizeof(extParts)/sizeof(extParts[0]); i++)␊ |
453 | {␊ |
454 | if (extParts[i] == part->systid) return 1;␊ |
455 | }␊ |
456 | return 0;␊ |
457 | }␊ |
458 | ␊ |
459 | //==========================================================================␊ |
460 | ␊ |
461 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
462 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart )␊ |
463 | {␊ |
464 | static int sBiosdev = -1;␊ |
465 | static int sNextPartNo;␊ |
466 | static unsigned int sFirstBase;␊ |
467 | static unsigned int sExtBase;␊ |
468 | static unsigned int sExtDepth;␊ |
469 | static struct fdisk_part * sExtPart;␊ |
470 | struct fdisk_part * part;␊ |
471 | ␉␊ |
472 | if ( sBiosdev != biosdev || *partno < 0 )␊ |
473 | {␊ |
474 | // Fetch MBR.␊ |
475 | if ( readBootSector( biosdev, DISK_BLK0, 0 ) ) return 0;␊ |
476 | ␉␉␊ |
477 | sBiosdev = biosdev;␊ |
478 | sNextPartNo = 0;␊ |
479 | sFirstBase = 0;␊ |
480 | sExtBase = 0;␊ |
481 | sExtDepth = 0;␊ |
482 | sExtPart = NULL;␊ |
483 | }␊ |
484 | ␉␊ |
485 | while (1)␊ |
486 | {␊ |
487 | part = NULL;␊ |
488 | ␉␉␊ |
489 | if ( sNextPartNo < FDISK_NPART )␊ |
490 | {␊ |
491 | part = (struct fdisk_part *) gBootSector->parts[sNextPartNo];␊ |
492 | }␊ |
493 | else if ( sExtPart )␊ |
494 | {␊ |
495 | unsigned int blkno = sExtPart->relsect + sFirstBase;␊ |
496 | ␉␉␉␊ |
497 | // Save the block offset of the first extended partition.␊ |
498 | ␉␉␉␊ |
499 | if (sExtDepth == 0) {␊ |
500 | sFirstBase = blkno;␊ |
501 | }␊ |
502 | sExtBase = blkno;␊ |
503 | ␉␉␉␊ |
504 | // Load extended partition table.␊ |
505 | ␉␉␉␊ |
506 | if ( readBootSector( biosdev, blkno, 0 ) == 0 )␊ |
507 | {␊ |
508 | sNextPartNo = 0;␊ |
509 | sExtDepth++;␊ |
510 | sExtPart = NULL;␊ |
511 | continue;␊ |
512 | }␊ |
513 | // Fall through to part == NULL␊ |
514 | }␊ |
515 | ␉␉␊ |
516 | if ( part == NULL ) break; // Reached end of partition chain.␊ |
517 | ␉␉␊ |
518 | // Advance to next partition number.␊ |
519 | ␉␉␊ |
520 | sNextPartNo++;␊ |
521 | ␉␉␊ |
522 | if ( isExtendedFDiskPartition(part) )␊ |
523 | {␊ |
524 | sExtPart = part;␊ |
525 | continue;␊ |
526 | }␊ |
527 | ␉␉␊ |
528 | // Skip empty slots.␊ |
529 | ␉␉␊ |
530 | if ( part->systid == 0x00 )␊ |
531 | {␊ |
532 | continue;␊ |
533 | }␊ |
534 | ␉␉␊ |
535 | // Change relative offset to an absolute offset.␊ |
536 | part->relsect += sExtBase;␊ |
537 | ␉␉␊ |
538 | *outPart = part;␊ |
539 | *partno = sExtDepth ? (int)(sExtDepth + FDISK_NPART) : sNextPartNo;␊ |
540 | ␉␉␊ |
541 | break;␊ |
542 | }␊ |
543 | ␉␊ |
544 | return (part != NULL);␊ |
545 | }␊ |
546 | ␊ |
547 | //==========================================================================␊ |
548 | ␊ |
549 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
550 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
551 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
552 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
553 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
554 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
555 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
556 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
557 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
558 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
559 | {␊ |
560 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
561 | if ( bvr )␊ |
562 | {␊ |
563 | bzero(bvr, sizeof(*bvr));␊ |
564 | ␉␉␊ |
565 | bvr->biosdev = biosdev;␊ |
566 | bvr->part_no = partno;␊ |
567 | bvr->part_boff = blkoff;␊ |
568 | bvr->part_type = part->systid;␊ |
569 | bvr->fs_loadfile = loadFunc;␊ |
570 | bvr->fs_readfile = readFunc;␊ |
571 | bvr->fs_getdirentry = getdirFunc;␊ |
572 | bvr->fs_getfileblock= getBlockFunc;␊ |
573 | bvr->fs_getuuid = getUUIDFunc;␊ |
574 | bvr->description = getDescriptionFunc;␊ |
575 | bvr->type = type;␊ |
576 | bvr->bv_free = bvFreeFunc;␊ |
577 | ␉␉␊ |
578 | if ((part->bootid & FDISK_ACTIVE) && (part->systid == FDISK_HFS))␊ |
579 | bvr->flags |= kBVFlagPrimary;␊ |
580 | ␉␉␊ |
581 | // Probe the filesystem.␊ |
582 | ␉␉␊ |
583 | if ( initFunc )␊ |
584 | {␊ |
585 | bvr->flags |= kBVFlagNativeBoot;␊ |
586 | ␉␉␉␊ |
587 | if ( probe && initFunc( bvr ) != 0 )␊ |
588 | {␊ |
589 | // filesystem probe failed.␊ |
590 | ␉␉␉␉␊ |
591 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
592 | __FUNCTION__, biosdev, partno));␊ |
593 | ␉␉␉␉␊ |
594 | (*bvr->bv_free)(bvr);␊ |
595 | bvr = NULL;␊ |
596 | }␊ |
597 | if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
598 | {␊ |
599 | ␉bvr->flags |= kBVFlagBootable;␊ |
600 | }␊ |
601 | }␊ |
602 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
603 | {␊ |
604 | bvr->flags |= kBVFlagForeignBoot;␊ |
605 | }␊ |
606 | else␊ |
607 | {␊ |
608 | (*bvr->bv_free)(bvr);␊ |
609 | bvr = NULL;␊ |
610 | }␊ |
611 | }␊ |
612 | if (bvr) bvr->flags |= bvrFlags;␊ |
613 | return bvr;␊ |
614 | }␊ |
615 | ␊ |
616 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
617 | //==========================================================================␊ |
618 | ␊ |
619 | BVRef newAPMBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
620 | ␉␉␉␉ const DPME * part,␊ |
621 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
622 | ␉␉␉␉ FSReadFile readFunc,␊ |
623 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
624 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
625 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
626 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
627 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
628 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
629 | {␊ |
630 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
631 | if ( bvr )␊ |
632 | {␊ |
633 | bzero(bvr, sizeof(*bvr));␊ |
634 | ␉␉␊ |
635 | bvr->biosdev = biosdev;␊ |
636 | bvr->part_no = partno;␊ |
637 | bvr->part_boff = blkoff;␊ |
638 | bvr->fs_loadfile = loadFunc;␊ |
639 | bvr->fs_readfile = readFunc;␊ |
640 | bvr->fs_getdirentry = getdirFunc;␊ |
641 | bvr->fs_getfileblock= getBlockFunc;␊ |
642 | bvr->fs_getuuid = getUUIDFunc;␊ |
643 | bvr->description = getDescriptionFunc;␊ |
644 | bvr->type = type;␊ |
645 | bvr->bv_free = bvFreeFunc;␊ |
646 | strlcpy(bvr->name, part->dpme_name, DPISTRLEN);␊ |
647 | strlcpy(bvr->type_name, part->dpme_type, DPISTRLEN);␊ |
648 | ␉␉␊ |
649 | /*␊ |
650 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
651 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
652 | ␉␉ */␊ |
653 | ␉␉␊ |
654 | // Probe the filesystem.␊ |
655 | ␉␉␊ |
656 | if ( initFunc )␊ |
657 | {␊ |
658 | bvr->flags |= kBVFlagNativeBoot | kBVFlagBootable | kBVFlagSystemVolume;␊ |
659 | ␉␉␉␊ |
660 | if ( probe && initFunc( bvr ) != 0 )␊ |
661 | {␊ |
662 | // filesystem probe failed.␊ |
663 | ␉␉␉␉␊ |
664 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
665 | __FUNCTION__, biosdev, partno));␊ |
666 | ␉␉␉␉␊ |
667 | (*bvr->bv_free)(bvr);␊ |
668 | bvr = NULL;␊ |
669 | }␊ |
670 | }␊ |
671 | /*␊ |
672 | ␉␉ else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
673 | ␉␉ {␊ |
674 | ␉␉ bvr->flags |= kBVFlagForeignBoot;␊ |
675 | ␉␉ }␊ |
676 | ␉␉ */␊ |
677 | else␊ |
678 | {␊ |
679 | (*bvr->bv_free)(bvr);␊ |
680 | bvr = NULL;␊ |
681 | }␊ |
682 | }␊ |
683 | if (bvr) bvr->flags |= bvrFlags;␊ |
684 | return bvr;␊ |
685 | }␊ |
686 | #endif␊ |
687 | //==========================================================================␊ |
688 | ␊ |
689 | // HFS+ GUID in LE form␊ |
690 | EFI_GUID const GPT_HFS_GUID␉= { 0x48465300, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
691 | // turbo - also our booter partition␊ |
692 | EFI_GUID const GPT_BOOT_GUID␉= { 0x426F6F74, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
693 | // turbo - or an efi system partition␊ |
694 | EFI_GUID const GPT_EFISYS_GUID␉= { 0xC12A7328, 0xF81F, 0x11D2, { 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } };␊ |
695 | // zef - basic data partition EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 for foreign OS support␊ |
696 | EFI_GUID const GPT_BASICDATA_GUID = { 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } };␊ |
697 | EFI_GUID const GPT_BASICDATA2_GUID = { 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } };␊ |
698 | ␊ |
699 | ␊ |
700 | BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
701 | ␉␉␉␉ const gpt_ent * part,␊ |
702 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
703 | ␉␉␉␉ FSReadFile readFunc,␊ |
704 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
705 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
706 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
707 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
708 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
709 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
710 | {␊ |
711 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
712 | if ( bvr )␊ |
713 | {␊ |
714 | bzero(bvr, sizeof(*bvr));␊ |
715 | ␉␉␊ |
716 | bvr->biosdev = biosdev;␊ |
717 | bvr->part_no = partno;␊ |
718 | bvr->part_boff = blkoff;␊ |
719 | bvr->fs_loadfile = loadFunc;␊ |
720 | bvr->fs_readfile = readFunc;␊ |
721 | bvr->fs_getdirentry = getdirFunc;␊ |
722 | bvr->fs_getfileblock= getBlockFunc;␊ |
723 | bvr->fs_getuuid = getUUIDFunc;␊ |
724 | bvr->description = getDescriptionFunc;␊ |
725 | ␉bvr->type = type;␊ |
726 | bvr->bv_free = bvFreeFunc;␊ |
727 | // FIXME: UCS-2 -> UTF-8 the name␊ |
728 | strlcpy(bvr->name, "----", DPISTRLEN);␊ |
729 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)part->ent_type) == 0) ||␊ |
730 | ␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)part->ent_type) == 0) )␊ |
731 | ␉␉␉strlcpy(bvr->type_name, "GPT HFS+", DPISTRLEN);␊ |
732 | else␊ |
733 | ␉␉␉strlcpy(bvr->type_name, "GPT Unknown", DPISTRLEN);␊ |
734 | ␉␉␊ |
735 | /*␊ |
736 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
737 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
738 | ␉␉ */␊ |
739 | ␉␉␊ |
740 | // Probe the filesystem.␊ |
741 | ␉␉␊ |
742 | if ( initFunc )␊ |
743 | {␊ |
744 | bvr->flags |= kBVFlagNativeBoot;␊ |
745 | ␉␉␉␊ |
746 | if ( probe && initFunc( bvr ) != 0 )␊ |
747 | {␊ |
748 | // filesystem probe failed.␊ |
749 | ␉␉␉␉␊ |
750 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
751 | __FUNCTION__, biosdev, partno));␊ |
752 | ␉␉␉␉␊ |
753 | (*bvr->bv_free)(bvr);␊ |
754 | bvr = NULL;␊ |
755 | }␊ |
756 | if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
757 | {␊ |
758 | ␉bvr->flags |= kBVFlagBootable;␊ |
759 | }␊ |
760 | }␊ |
761 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
762 | {␊ |
763 | bvr->flags |= kBVFlagForeignBoot;␊ |
764 | }␊ |
765 | else␊ |
766 | {␊ |
767 | (*bvr->bv_free)(bvr);␊ |
768 | bvr = NULL;␊ |
769 | }␊ |
770 | }␊ |
771 | if (bvr) bvr->flags |= bvrFlags;␊ |
772 | return bvr;␊ |
773 | }␊ |
774 | ␊ |
775 | //==========================================================================␊ |
776 | ␊ |
777 | /* A note on partition numbers:␊ |
778 | * IOKit makes the primary partitions numbers 1-4, and then␊ |
779 | * extended partitions are numbered consecutively 5 and up.␊ |
780 | * So, for example, if you have two primary partitions and␊ |
781 | * one extended partition they will be numbered 1, 2, 5.␊ |
782 | */␊ |
783 | ␊ |
784 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr )␊ |
785 | {␊ |
786 | const struct fdisk_part * part;␊ |
787 | struct DiskBVMap * map;␊ |
788 | int partno = -1;␊ |
789 | BVRef bvr;␊ |
790 | #ifdef UFS_SUPPORT␊ |
791 | BVRef booterUFS = NULL;␊ |
792 | int spc;␊ |
793 | struct driveInfo di;␊ |
794 | boot_drive_info_t *dp;␊ |
795 | ␉␊ |
796 | /* Initialize disk info */␊ |
797 | if (getDriveInfo(biosdev, &di) != 0) {␊ |
798 | ␉␉return NULL;␊ |
799 | }␊ |
800 | dp = &di.di;␊ |
801 | spc = (dp->params.phys_spt * dp->params.phys_heads);␊ |
802 | if (spc == 0) {␊ |
803 | ␉␉/* This is probably a CD-ROM; punt on the geometry. */␊ |
804 | ␉␉spc = 1;␊ |
805 | }␊ |
806 | #endif␊ |
807 | ␉␊ |
808 | do {␊ |
809 | // Create a new mapping.␊ |
810 | ␉␉␊ |
811 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
812 | if ( map )␊ |
813 | {␊ |
814 | map->biosdev = biosdev;␊ |
815 | map->bvr = NULL;␊ |
816 | map->bvrcnt = 0;␊ |
817 | map->next = gDiskBVMap;␊ |
818 | gDiskBVMap = map;␊ |
819 | ␉␉␉␊ |
820 | // Create a record for each partition found on the disk.␊ |
821 | ␉␉␉␊ |
822 | while ( getNextFDiskPartition( biosdev, &partno, &part ) )␊ |
823 | {␊ |
824 | DEBUG_DISK(("%s: part %d [%x]\n", __FUNCTION__,␊ |
825 | partno, part->systid));␊ |
826 | bvr = 0;␊ |
827 | ␉␉␉␉␊ |
828 | switch ( part->systid )␊ |
829 | {␊ |
830 | #ifdef UFS_SUPPORT␊ |
831 | case FDISK_UFS:␊ |
832 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
833 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
834 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect + UFS_FRONT_PORCH/BPS,␊ |
835 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
836 | ␉␉␉␉␉␉␉␉␉␉␉UFSInitPartition,␊ |
837 | ␉␉␉␉␉␉␉␉␉␉␉UFSLoadFile,␊ |
838 | ␉␉␉␉␉␉␉␉␉␉␉UFSReadFile,␊ |
839 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetDirEntry,␊ |
840 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetFileBlock,␊ |
841 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetUUID,␊ |
842 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetDescription,␊ |
843 | ␉␉␉␉␉␉␉␉␉␉␉UFSFree,␊ |
844 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
845 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
846 | break;␊ |
847 | #endif␊ |
848 | ␉␉␉␉␉␉␊ |
849 | case FDISK_HFS:␊ |
850 | bvr = newFDiskBVRef(␊ |
851 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
852 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
853 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
854 | ␉␉␉␉␉␉␉␉␉␉␉HFSInitPartition,␊ |
855 | ␉␉␉␉␉␉␉␉␉␉␉HFSLoadFile,␊ |
856 | ␉␉␉␉␉␉␉␉␉␉␉HFSReadFile,␊ |
857 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
858 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetFileBlock,␊ |
859 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetUUID,␊ |
860 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetDescription,␊ |
861 | ␉␉␉␉␉␉␉␉␉␉␉HFSFree,␊ |
862 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
863 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
864 | break;␊ |
865 | ␉␉␉␉␉␉␊ |
866 | ␉␉␉␉␉␉// turbo - we want the booter type scanned also␊ |
867 | case FDISK_BOOTER:␊ |
868 | if (part->bootid & FDISK_ACTIVE) {␊ |
869 | ␉␉␉␉␉␉␉gBIOSBootVolume = newFDiskBVRef(␊ |
870 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
871 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
872 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉part,␊ |
873 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSInitPartition,␊ |
874 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSLoadFile,␊ |
875 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSReadFile,␊ |
876 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
877 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetFileBlock,␊ |
878 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetUUID,␊ |
879 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetDescription,␊ |
880 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSFree,␊ |
881 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉0,␊ |
882 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
883 | ␉␉␉␉␉␉␉break;␊ |
884 | ␉␉␉␉␉␉}␊ |
885 | #ifndef UFS_SUPPORT␉␉␉␉␉␉␊ |
886 | break;␊ |
887 | #else␉␉␉␉␉␉␊ |
888 | ␊ |
889 | //case FDISK_BOOTER:␊ |
890 | booterUFS = newFDiskBVRef(␊ |
891 | ␉␉␉␉␉␉␉␉␉␉␉␉ biosdev, partno,␊ |
892 | ␉␉␉␉␉␉␉␉␉␉␉␉ ((part->relsect + spc - 1) / spc) * spc,␊ |
893 | ␉␉␉␉␉␉␉␉␉␉␉␉ part,␊ |
894 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSInitPartition,␊ |
895 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSLoadFile,␊ |
896 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSReadFile,␊ |
897 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetDirEntry,␊ |
898 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetFileBlock,␊ |
899 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetUUID,␊ |
900 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetDescription,␊ |
901 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSFree,␊ |
902 | ␉␉␉␉␉␉␉␉␉␉␉␉ 0,␊ |
903 | ␉␉␉␉␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, 0);␊ |
904 | break;␊ |
905 | #endif␊ |
906 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
907 | case FDISK_FAT32:␊ |
908 | case FDISK_DOS12:␊ |
909 | case FDISK_DOS16S:␊ |
910 | case FDISK_DOS16B:␊ |
911 | case FDISK_SMALLFAT32:␊ |
912 | case FDISK_DOS16SLBA:␊ |
913 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
914 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
915 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
916 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
917 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSInitPartition,␊ |
918 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSLoadFile,␊ |
919 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSReadFile,␊ |
920 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetDirEntry,␊ |
921 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetFileBlock,␊ |
922 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetUUID,␊ |
923 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetDescription,␊ |
924 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSFree,␊ |
925 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
926 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
927 | ␉␉␉␉␉␉break;␊ |
928 | case FDISK_NTFS:␊ |
929 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
930 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
931 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
932 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
933 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0,␊ |
934 | ␉␉␉␉␉␉␉␉␉␉␉NTFSGetUUID,␊ |
935 | ␉␉␉␉␉␉␉␉␉␉␉NTFSGetDescription,␊ |
936 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
937 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
938 | ␉␉␉␉␉␉break;␊ |
939 | #endif␊ |
940 | ␊ |
941 | #ifndef NO_LINUX_SUPPORT␊ |
942 | ␉␉␉␉␉␉␊ |
943 | case FDISK_LINUX:␊ |
944 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
945 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
946 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
947 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
948 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
949 | ␉␉␉␉␉␉␉␉␉␉␉EX2GetDescription,␊ |
950 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
951 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
952 | ␉␉␉␉␉␉break;␊ |
953 | #endif␊ |
954 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
955 | ␉␉␉␉␉case FDISK_FREEBSD:␊ |
956 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
957 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
958 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
959 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
960 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
961 | ␉␉␉␉␉␉␉␉␉␉␉FreeBSDGetDescription,␊ |
962 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
963 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
964 | ␉␉␉␉␉␉break;␊ |
965 | ␉␉␉␉␉␉␊ |
966 | case FDISK_OPENBSD:␊ |
967 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
968 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
969 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
970 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
971 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
972 | ␉␉␉␉␉␉␉␉␉␉␉OpenBSDGetDescription,␊ |
973 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
974 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
975 | ␉␉␉␉␉␉break;␊ |
976 | #endif␊ |
977 | default:␊ |
978 | #if UNUSED␊ |
979 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
980 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
981 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
982 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
983 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0, 0,␊ |
984 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
985 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
986 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
987 | #endif␊ |
988 | ␉␉␉␉␉␉break;␊ |
989 | }␊ |
990 | ␉␉␉␉␊ |
991 | if ( bvr )␊ |
992 | {␊ |
993 | bvr->next = map->bvr;␊ |
994 | map->bvr = bvr;␊ |
995 | map->bvrcnt++;␊ |
996 | }␊ |
997 | }␊ |
998 | ␉␉␉␊ |
999 | #ifdef UFS_SUPPORT␊ |
1000 | // Booting from a CD with an UFS filesystem embedded␊ |
1001 | // in a booter partition.␊ |
1002 | ␉␉␉␊ |
1003 | if ( booterUFS )␊ |
1004 | {␊ |
1005 | if ( map->bvrcnt == 0 )␊ |
1006 | {␊ |
1007 | map->bvr = booterUFS;␊ |
1008 | map->bvrcnt++;␊ |
1009 | }␊ |
1010 | else free( booterUFS );␊ |
1011 | }␊ |
1012 | #endif␊ |
1013 | }␊ |
1014 | } while (0);␊ |
1015 | ␉␊ |
1016 | /*␊ |
1017 | * If no FDisk partition, then we will check for␊ |
1018 | * an Apple partition map elsewhere.␊ |
1019 | */␊ |
1020 | #if UNUSED␊ |
1021 | if (map->bvrcnt == 0) {␊ |
1022 | ␉␉static struct fdisk_part cdpart;␊ |
1023 | ␉␉cdpart.systid = 0xCD;␊ |
1024 | ␉␉␊ |
1025 | ␉␉/* Let's try assuming we are on a hybrid HFS/ISO9660 CD. */␊ |
1026 | ␉␉bvr = newFDiskBVRef(␊ |
1027 | ␉␉␉␉␉␉␉biosdev, 0,␊ |
1028 | ␉␉␉␉␉␉␉0,␊ |
1029 | ␉␉␉␉␉␉␉&cdpart,␊ |
1030 | ␉␉␉␉␉␉␉HFSInitPartition,␊ |
1031 | ␉␉␉␉␉␉␉HFSLoadFile,␊ |
1032 | HFSReadFile,␊ |
1033 | ␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
1034 | HFSGetFileBlock,␊ |
1035 | HFSGetUUID,␊ |
1036 | ␉␉␉␉␉␉␉0,␊ |
1037 | ␉␉␉␉␉␉␉kBIOSDevTypeHardDrive);␊ |
1038 | ␉␉bvr->next = map->bvr;␊ |
1039 | ␉␉map->bvr = bvr;␊ |
1040 | ␉␉map->bvrcnt++;␊ |
1041 | }␊ |
1042 | #endif␊ |
1043 | // Actually this should always be true given the above code␊ |
1044 | if(map == gDiskBVMap)␊ |
1045 | {␊ |
1046 | // Don't leave a null map in the chain␊ |
1047 | if(map->bvrcnt == 0 && map->bvr == NULL)␊ |
1048 | {␊ |
1049 | gDiskBVMap = map->next;␊ |
1050 | free(map);␊ |
1051 | map = NULL;␊ |
1052 | }␊ |
1053 | }␊ |
1054 | ␉␊ |
1055 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1056 | ␉␊ |
1057 | return map ? map->bvr : NULL;␊ |
1058 | }␊ |
1059 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1060 | //==========================================================================␊ |
1061 | ␊ |
1062 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr )␊ |
1063 | {␊ |
1064 | struct DiskBVMap * map;␊ |
1065 | struct Block0 *block0_p;␊ |
1066 | unsigned int blksize;␊ |
1067 | unsigned int factor;␊ |
1068 | void *buffer = malloc(BPS);␊ |
1069 | ␉␊ |
1070 | /* Check for alternate block size */␊ |
1071 | if (readBytes( biosdev, 0, 0, BPS, buffer ) != 0) {␊ |
1072 | return NULL;␊ |
1073 | }␊ |
1074 | block0_p = buffer;␊ |
1075 | if (OSSwapBigToHostInt16(block0_p->sbSig) == BLOCK0_SIGNATURE) {␊ |
1076 | blksize = OSSwapBigToHostInt16(block0_p->sbBlkSize);␊ |
1077 | if (blksize != BPS) {␊ |
1078 | free(buffer);␊ |
1079 | buffer = malloc(blksize);␊ |
1080 | }␊ |
1081 | factor = blksize / BPS;␊ |
1082 | } else {␊ |
1083 | blksize = BPS;␊ |
1084 | factor = 1;␊ |
1085 | }␊ |
1086 | ␊ |
1087 | do {␊ |
1088 | // Create a new mapping.␊ |
1089 | ␉␉␊ |
1090 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
1091 | if ( map )␊ |
1092 | {␊ |
1093 | int error;␊ |
1094 | DPME *dpme_p = (DPME *)buffer;␊ |
1095 | UInt32 i, npart = UINT_MAX;␊ |
1096 | BVRef bvr;␊ |
1097 | ␉␉␉␊ |
1098 | map->biosdev = biosdev;␊ |
1099 | map->bvr = NULL;␊ |
1100 | map->bvrcnt = 0;␊ |
1101 | map->next = gDiskBVMap;␊ |
1102 | gDiskBVMap = map;␊ |
1103 | ␉␉␉␊ |
1104 | for (i=0; i<npart; i++) {␊ |
1105 | error = readBytes( biosdev, (kAPMSector + i) * factor, 0, blksize, buffer );␊ |
1106 | ␉␉␉␉␊ |
1107 | if (error || OSSwapBigToHostInt16(dpme_p->dpme_signature) != DPME_SIGNATURE) {␊ |
1108 | break;␊ |
1109 | }␊ |
1110 | ␉␉␉␉␊ |
1111 | if (i==0) {␊ |
1112 | npart = OSSwapBigToHostInt32(dpme_p->dpme_map_entries);␊ |
1113 | }␊ |
1114 | /*␊ |
1115 | ␉␉␉␉ printf("name = %s, %s%s %d -> %d [%d -> %d] {%d}\n",␊ |
1116 | ␉␉␉␉ dpme.dpme_name, dpme.dpme_type, (dpme.dpme_flags & DPME_FLAGS_BOOTABLE) ? "(bootable)" : "",␊ |
1117 | ␉␉␉␉ dpme.dpme_pblock_start, dpme.dpme_pblocks,␊ |
1118 | ␉␉␉␉ dpme.dpme_lblock_start, dpme.dpme_lblocks,␊ |
1119 | ␉␉␉␉ dpme.dpme_boot_block);␊ |
1120 | ␉␉␉␉ */␊ |
1121 | ␉␉␉␉␊ |
1122 | if (strcmp(dpme_p->dpme_type, "Apple_HFS") == 0) {␊ |
1123 | bvr = newAPMBVRef(biosdev,␊ |
1124 | i,␊ |
1125 | OSSwapBigToHostInt32(dpme_p->dpme_pblock_start) * factor,␊ |
1126 | dpme_p,␊ |
1127 | HFSInitPartition,␊ |
1128 | HFSLoadFile,␊ |
1129 | HFSReadFile,␊ |
1130 | HFSGetDirEntry,␊ |
1131 | HFSGetFileBlock,␊ |
1132 | HFSGetUUID,␊ |
1133 | HFSGetDescription,␊ |
1134 | HFSFree,␊ |
1135 | 0,␊ |
1136 | kBIOSDevTypeHardDrive, 0);␊ |
1137 | bvr->next = map->bvr;␊ |
1138 | map->bvr = bvr;␊ |
1139 | map->bvrcnt++;␊ |
1140 | }␊ |
1141 | }␊ |
1142 | }␊ |
1143 | } while (0);␊ |
1144 | ␉␊ |
1145 | free(buffer);␊ |
1146 | ␉␊ |
1147 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1148 | ␉␊ |
1149 | return map ? map->bvr : NULL;␊ |
1150 | }␊ |
1151 | ␊ |
1152 | //==========================================================================␊ |
1153 | #endif ␊ |
1154 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1155 | ␊ |
1156 | /*␊ |
1157 | * Trying to figure out the filsystem type of a given partition.␊ |
1158 | */␊ |
1159 | static int probeFileSystem(int biosdev, unsigned int blkoff)␊ |
1160 | {␊ |
1161 | ␉// detected filesystem type;␊ |
1162 | ␉int result = -1;␊ |
1163 | #ifndef NO_WIN_SUPPORT␊ |
1164 | ␉int fatbits;␊ |
1165 | #endif␊ |
1166 | ␊ |
1167 | ␉// Allocating buffer for 4 sectors.␊ |
1168 | ␉const void * probeBuffer = malloc(PROBEFS_SIZE);␊ |
1169 | ␉if (probeBuffer == NULL)␊ |
1170 | ␉␉goto exit;␊ |
1171 | ␉␊ |
1172 | ␉// Reading first 4 sectors of current partition␊ |
1173 | ␉int error = readBytes(biosdev, blkoff, 0, PROBEFS_SIZE, (void *)probeBuffer);␊ |
1174 | ␉if (error)␊ |
1175 | ␉␉goto exit;␊ |
1176 | ␉␊ |
1177 | ␉if (HFSProbe(probeBuffer))␊ |
1178 | ␉␉result = FDISK_HFS;␊ |
1179 | #ifndef NO_LINUX_SUPPORT␊ |
1180 | ␉else if (EX2Probe(probeBuffer))␊ |
1181 | ␉␉result = FDISK_LINUX;␊ |
1182 | #endif␊ |
1183 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1184 | ␉else if (FreeBSDProbe(probeBuffer))␊ |
1185 | ␉␉result = FDISK_FREEBSD;␊ |
1186 | ␉else if (OpenBSDProbe(probeBuffer))␊ |
1187 | ␉␉result = FDISK_OPENBSD;␊ |
1188 | #endif␊ |
1189 | #ifndef NO_WIN_SUPPORT␊ |
1190 | ␉else if (NTFSProbe(probeBuffer))␊ |
1191 | ␉␉result = FDISK_NTFS;␊ |
1192 | ␉else if ((fatbits=MSDOSProbe(probeBuffer)))␊ |
1193 | ␉{␊ |
1194 | ␉␉switch (fatbits)␊ |
1195 | ␉␉{␊ |
1196 | ␉␉␉case 32:␊ |
1197 | ␉␉␉default:␊ |
1198 | ␉␉␉␉result = FDISK_FAT32;␊ |
1199 | ␉␉␉␉break;␊ |
1200 | ␉␉␉case 16:␊ |
1201 | ␉␉␉␉result = FDISK_DOS16B;␊ |
1202 | ␉␉␉␉break;␊ |
1203 | ␉␉␉case 12:␊ |
1204 | ␉␉␉␉result = FDISK_DOS12;␊ |
1205 | ␉␉␉␉break;␉␉␉ ␊ |
1206 | ␉␉}␊ |
1207 | ␉}␊ |
1208 | #endif␊ |
1209 | ␉else␊ |
1210 | ␉␉// Couldn't detect filesystem type␊ |
1211 | ␉␉result = 0;␊ |
1212 | ␉␊ |
1213 | exit:␊ |
1214 | ␉if (probeBuffer != NULL) free((void *)probeBuffer);␊ |
1215 | ␉return result;␊ |
1216 | }␊ |
1217 | ␊ |
1218 | static bool isPartitionUsed(gpt_ent * partition)␊ |
1219 | {␊ |
1220 | //␊ |
1221 | // Ask whether the given partition is used.␊ |
1222 | //␊ |
1223 | ␉␊ |
1224 | return efi_guid_is_null((EFI_GUID const*)partition->ent_type) ? false : true;␊ |
1225 | }␊ |
1226 | ␊ |
1227 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1228 | ␊ |
1229 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr )␊ |
1230 | {␊ |
1231 | ␉if (biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) ␊ |
1232 | ␉␉return NULL;␊ |
1233 | ␉␊ |
1234 | struct DiskBVMap * map = NULL;␊ |
1235 | void *buffer = malloc(BPS);␊ |
1236 | int error;␉␊ |
1237 | if ( (error = readBytes( biosdev, /*secno*/0, 0, BPS, buffer )) != 0) {␊ |
1238 | DBG("Failed to read boot sector from BIOS device %02xh. Error=%d\n", biosdev, error);␊ |
1239 | goto scanErr;␊ |
1240 | }␊ |
1241 | struct REAL_disk_blk0 *fdiskMap = buffer;␊ |
1242 | if ( OSSwapLittleToHostInt16(fdiskMap->signature) != DISK_SIGNATURE )␊ |
1243 | {␊ |
1244 | verbose("Failed to find boot signature on BIOS device %02xh\n", biosdev);␊ |
1245 | goto scanErr;␊ |
1246 | }␊ |
1247 | ␉␊ |
1248 | int fdiskID = 0;␊ |
1249 | unsigned index;␊ |
1250 | for ( index = 0; index < FDISK_NPART; index++ )␊ |
1251 | {␊ |
1252 | if ( fdiskMap->parts[index].systid )␊ |
1253 | {␊ |
1254 | if ( fdiskMap->parts[index].systid == 0xEE )␊ |
1255 | {␊ |
1256 | // Fail if two 0xEE partitions are present which␊ |
1257 | // means the FDISK code will wind up parsing it.␊ |
1258 | if ( fdiskID ) goto scanErr;␊ |
1259 | ␉␉␉␉␊ |
1260 | fdiskID = index + 1;␊ |
1261 | }␊ |
1262 | }␊ |
1263 | }␊ |
1264 | ␉␊ |
1265 | if ( fdiskID == 0 ) goto scanErr;␊ |
1266 | DBG("Attempting to read GPT\n");␊ |
1267 | ␉␊ |
1268 | if(readBytes(biosdev, 1, 0, BPS, buffer) != 0)␊ |
1269 | goto scanErr;␊ |
1270 | ␊ |
1271 | gpt_hdr *headerMap = buffer;␊ |
1272 | ␉␊ |
1273 | // Determine whether the partition header signature is present.␊ |
1274 | ␉␊ |
1275 | if ( memcmp(headerMap->hdr_sig, GPT_HDR_SIG, strlen(GPT_HDR_SIG)) )␊ |
1276 | {␊ |
1277 | goto scanErr;␊ |
1278 | }␊ |
1279 | ␉␊ |
1280 | // Determine whether the partition header size is valid.␊ |
1281 | ␉␊ |
1282 | UInt32 headerCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_self);␊ |
1283 | UInt32 headerSize = OSSwapLittleToHostInt32(headerMap->hdr_size);␊ |
1284 | ␉␊ |
1285 | if ( headerSize < offsetof(gpt_hdr, padding) )␊ |
1286 | {␊ |
1287 | goto scanErr;␊ |
1288 | }␊ |
1289 | ␉␊ |
1290 | if ( headerSize > BPS )␊ |
1291 | {␊ |
1292 | goto scanErr;␊ |
1293 | }␊ |
1294 | ␉␊ |
1295 | // Determine whether the partition header checksum is valid.␊ |
1296 | ␉␊ |
1297 | headerMap->hdr_crc_self = 0;␊ |
1298 | ␉␊ |
1299 | if ( crc32(0, headerMap, headerSize) != headerCheck )␊ |
1300 | {␊ |
1301 | goto scanErr;␊ |
1302 | }␊ |
1303 | ␉␊ |
1304 | // Determine whether the partition entry size is valid.␊ |
1305 | ␉␊ |
1306 | UInt64 gptBlock = 0;␊ |
1307 | UInt32 gptCheck = 0;␊ |
1308 | UInt32 gptCount = 0;␊ |
1309 | UInt32 gptID = 0;␊ |
1310 | gpt_ent * gptMap = 0;␊ |
1311 | UInt32 gptSize = 0;␊ |
1312 | ␉␊ |
1313 | gptBlock = OSSwapLittleToHostInt64(headerMap->hdr_lba_table);␊ |
1314 | gptCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_table);␊ |
1315 | gptCount = OSSwapLittleToHostInt32(headerMap->hdr_entries);␊ |
1316 | gptSize = OSSwapLittleToHostInt32(headerMap->hdr_entsz);␊ |
1317 | ␉␊ |
1318 | if ( gptSize < sizeof(gpt_ent) )␊ |
1319 | {␊ |
1320 | goto scanErr;␊ |
1321 | }␊ |
1322 | ␉␊ |
1323 | // Allocate a buffer large enough to hold one map, rounded to a media block.␊ |
1324 | free(buffer);␊ |
1325 | buffer = NULL;␊ |
1326 | ␉␊ |
1327 | UInt32 bufferSize = IORound(gptCount * gptSize, BPS);␊ |
1328 | if(bufferSize == 0)␊ |
1329 | goto scanErr;␊ |
1330 | buffer = malloc(bufferSize);␊ |
1331 | ␉␊ |
1332 | if(readBytes(biosdev, gptBlock, 0, bufferSize, buffer) != 0)␊ |
1333 | goto scanErr;␊ |
1334 | ␉␊ |
1335 | DBG("Read GPT\n");␊ |
1336 | ␉␊ |
1337 | // Allocate a new map for this BIOS device and insert it into the chain␊ |
1338 | map = malloc(sizeof(*map));␊ |
1339 | map->biosdev = biosdev;␊ |
1340 | map->bvr = NULL;␊ |
1341 | map->bvrcnt = 0;␊ |
1342 | map->next = gDiskBVMap;␊ |
1343 | gDiskBVMap = map;␊ |
1344 | ␉␊ |
1345 | // fdisk like partition type id.␊ |
1346 | int fsType = 0;␊ |
1347 | ␊ |
1348 | for(gptID = 1; gptID <= gptCount; ++gptID)␊ |
1349 | {␊ |
1350 | ␉␉BVRef bvr = NULL;␊ |
1351 | ␉␉unsigned int bvrFlags = 0;␊ |
1352 | ␉␉␊ |
1353 | // size on disk can be larger than sizeof(gpt_ent)␊ |
1354 | gptMap = (gpt_ent *) ( buffer + ( (gptID - 1) * gptSize) );␊ |
1355 | ␉␉␊ |
1356 | // NOTE: EFI_GUID's are in LE and we know we're on an x86.␊ |
1357 | // The IOGUIDPartitionScheme.cpp code uses byte-based UUIDs, we don't.␊ |
1358 | ␉␉␊ |
1359 | if(isPartitionUsed(gptMap))␊ |
1360 | {␊ |
1361 | char stringuuid[100];␊ |
1362 | efi_guid_unparse_upper((EFI_GUID*)gptMap->ent_type, stringuuid);␊ |
1363 | verbose("Reading GPT partition %d, type %s\n", gptID, stringuuid);␊ |
1364 | ␉␉␉␊ |
1365 | // Getting fdisk like partition type.␊ |
1366 | fsType = probeFileSystem(biosdev, gptMap->ent_lba_start);␊ |
1367 | ␉␉␉␊ |
1368 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1369 | ␉␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1370 | {␊ |
1371 | #ifdef BOOT_HELPER_SUPPORT␊ |
1372 | bvrFlags = (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ? kBVFlagBooter : 0;␊ |
1373 | #else␊ |
1374 | ␉␉␉␉if (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ␊ |
1375 | ␉␉␉␉␉continue;␊ |
1376 | ␉␉␉␉else ␊ |
1377 | ␉␉␉␉␉bvrFlags = 0;␊ |
1378 | ␊ |
1379 | #endif␊ |
1380 | bvr = newGPTBVRef(biosdev,␊ |
1381 | ␉␉␉␉␉␉␉␉ gptID,␊ |
1382 | ␉␉␉␉␉␉␉␉ gptMap->ent_lba_start,␊ |
1383 | ␉␉␉␉␉␉␉␉ gptMap,␊ |
1384 | ␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1385 | ␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1386 | ␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1387 | ␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1388 | ␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1389 | ␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1390 | ␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1391 | ␉␉␉␉␉␉␉␉ HFSFree,␊ |
1392 | ␉␉␉␉␉␉␉␉ 0,␊ |
1393 | ␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, bvrFlags);␊ |
1394 | }␊ |
1395 | ␉␉␉␊ |
1396 | ␉␉␉// zef - foreign OS support␊ |
1397 | if ( (efi_guid_compare(&GPT_BASICDATA_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1398 | ␉␉␉␉(efi_guid_compare(&GPT_BASICDATA2_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1399 | {␊ |
1400 | ␉␉␉␉␊ |
1401 | ␉␉␉␉switch (fsType)␊ |
1402 | ␉␉␉␉{␊ |
1403 | #ifndef NO_WIN_SUPPORT␊ |
1404 | ␊ |
1405 | ␉␉␉␉␉case FDISK_NTFS:␊ |
1406 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1407 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, NTFSGetDescription,␊ |
1408 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1409 | ␉␉␉␉␉␉break;␊ |
1410 | #endif␊ |
1411 | ␉␉␉␉␉default:␊ |
1412 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1413 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, 0,␊ |
1414 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1415 | ␉␉␉␉␉␉break;␊ |
1416 | ␉␉␉␉}␊ |
1417 | ␉␉␉␉␊ |
1418 | }␊ |
1419 | ␉␉␉␊ |
1420 | // turbo - save our booter partition␊ |
1421 | // zef - only on original boot device␊ |
1422 | if ( (efi_guid_compare(&GPT_EFISYS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1423 | {␊ |
1424 | ␉␉␉␉switch (fsType)␊ |
1425 | ␉␉␉␉{␊ |
1426 | ␉␉␉␉␉case FDISK_HFS:␊ |
1427 | ␉␉␉␉␉␉if (readBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1428 | ␉␉␉␉␉␉{␊ |
1429 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1430 | ␉␉␉␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1431 | ␉␉␉␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1432 | ␉␉␉␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1433 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1434 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1435 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1436 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1437 | ␉␉␉␉␉␉␉␉␉␉␉ HFSFree,␊ |
1438 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1439 | ␉␉␉␉␉␉}␊ |
1440 | ␉␉␉␉␉␉break;␊ |
1441 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
1442 | ␉␉␉␉␉case FDISK_FAT32:␊ |
1443 | ␉␉␉␉␉␉if (testFAT32EFIBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1444 | ␉␉␉␉␉␉{␊ |
1445 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1446 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSInitPartition,␊ |
1447 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSLoadFile,␊ |
1448 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSReadFile,␊ |
1449 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDirEntry,␊ |
1450 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetFileBlock,␊ |
1451 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetUUID,␊ |
1452 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDescription,␊ |
1453 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSFree,␊ |
1454 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1455 | ␉␉␉␉␉␉}␊ |
1456 | ␉␉␉␉␉␉break;␊ |
1457 | #endif␊ |
1458 | ␉␉␉␉␉default:␉␉␉␉␉␉␊ |
1459 | ␉␉␉␉␉␉if (biosdev == gBIOSDev)␊ |
1460 | ␉␉␉␉␉␉␉gBIOSBootVolume = bvr;␊ |
1461 | ␉␉␉␉␉␉break;␊ |
1462 | ␉␉␉␉}␊ |
1463 | } ␊ |
1464 | ␉␉␉␊ |
1465 | ␉␉␉if (bvr)␊ |
1466 | ␉␉␉{␊ |
1467 | ␉␉␉␉// Fixup bvr with the fake fdisk partition type.␊ |
1468 | ␉␉␉␉if (fsType > 0) bvr->part_type = fsType;␊ |
1469 | ␉␉␉␉␊ |
1470 | ␉␉␉␉bvr->next = map->bvr;␊ |
1471 | ␉␉␉␉map->bvr = bvr;␊ |
1472 | ␉␉␉␉++map->bvrcnt;␊ |
1473 | ␉␉␉}␊ |
1474 | ␉␉␉␊ |
1475 | }␊ |
1476 | }␊ |
1477 | ␉␊ |
1478 | scanErr:␊ |
1479 | free(buffer);␊ |
1480 | ␉␊ |
1481 | if(map)␊ |
1482 | {␊ |
1483 | if(countPtr) *countPtr = map->bvrcnt;␊ |
1484 | return map->bvr;␊ |
1485 | }␊ |
1486 | else␊ |
1487 | {␊ |
1488 | if(countPtr) *countPtr = 0;␊ |
1489 | return NULL;␊ |
1490 | }␊ |
1491 | }␊ |
1492 | ␊ |
1493 | //==========================================================================␊ |
1494 | ␊ |
1495 | static void scanFSLevelBVRSettings(BVRef chain)␊ |
1496 | {␊ |
1497 | ␉BVRef bvr;␊ |
1498 | ␉char dirSpec[512], fileSpec[512];␉␊ |
1499 | ␉int ret;␊ |
1500 | ␉long flags, time;␊ |
1501 | #ifdef BOOT_HELPER_SUPPORT␊ |
1502 | ␉char label[BVSTRLEN];␊ |
1503 | ␉int fh, fileSize, error;␊ |
1504 | #endif␊ |
1505 | ␉for (bvr = chain; bvr; bvr = bvr->next)␊ |
1506 | ␉{␊ |
1507 | ␉␉ret = -1;␊ |
1508 | #ifdef BOOT_HELPER_SUPPORT␊ |
1509 | ␉␉error = 0;␊ |
1510 | ␊ |
1511 | ␉␉//␊ |
1512 | ␉␉// Check for alternate volume label on boot helper partitions.␊ |
1513 | ␉␉//␊ |
1514 | ␉␉if (bvr->flags & kBVFlagBooter)␊ |
1515 | ␉␉{␊ |
1516 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1517 | ␉␉␉strcpy(fileSpec, ".disk_label.contentDetails");␊ |
1518 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1519 | ␉␉␉if (!ret)␊ |
1520 | ␉␉␉{␊ |
1521 | ␉␉␉␉fh = open(strcat(dirSpec, fileSpec));␊ |
1522 | ␉␉␉␉fileSize = file_size(fh);␊ |
1523 | ␉␉␉␉if (fileSize > 0 && fileSize < BVSTRLEN)␊ |
1524 | ␉␉␉␉{␊ |
1525 | ␉␉␉␉␉if (read(fh, label, fileSize) != fileSize)␊ |
1526 | ␉␉␉␉␉␉error = -1;␊ |
1527 | ␉␉␉␉}␊ |
1528 | ␉␉␉␉else␊ |
1529 | ␉␉␉␉␉error = -1;␊ |
1530 | ␉␉␉␉␊ |
1531 | ␉␉␉␉close(fh);␊ |
1532 | ␉␉␉␉␊ |
1533 | ␉␉␉␉if (!error)␊ |
1534 | ␉␉␉␉{␊ |
1535 | ␉␉␉␉␉label[fileSize] = '\0';␊ |
1536 | ␉␉␉␉␉strcpy(bvr->altlabel, label);␊ |
1537 | ␉␉␉␉}␊ |
1538 | ␉␉␉}␊ |
1539 | ␉␉}␊ |
1540 | #endif␊ |
1541 | ␉␉//␊ |
1542 | ␉␉// Check for SystemVersion.plist or ServerVersion.plist␊ |
1543 | ␉␉// to determine if a volume hosts an installed system.␊ |
1544 | ␉␉//␊ |
1545 | ␉␉if (bvr->flags & kBVFlagNativeBoot)␊ |
1546 | ␉␉{␊ |
1547 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1548 | ␉␉␉strcpy(fileSpec, "SystemVersion.plist");␊ |
1549 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1550 | ␉␉␉␊ |
1551 | ␉␉␉if (ret == -1)␊ |
1552 | ␉␉␉{␊ |
1553 | ␉␉␉␉strcpy(fileSpec, "ServerVersion.plist");␊ |
1554 | ␉␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1555 | ␉␉␉}␊ |
1556 | ␉␉␉␊ |
1557 | ␉␉␉if (!ret)␊ |
1558 | ␉␉␉␉bvr->flags |= kBVFlagSystemVolume;␊ |
1559 | ␉␉}␊ |
1560 | ␉␉␊ |
1561 | ␉}␊ |
1562 | }␊ |
1563 | #ifndef OPTION_ROM␊ |
1564 | void rescanBIOSDevice(int biosdev)␊ |
1565 | {␊ |
1566 | ␉struct DiskBVMap *oldMap = diskResetBootVolumes(biosdev);␊ |
1567 | ␉CacheReset();␊ |
1568 | ␉diskFreeMap(oldMap);␊ |
1569 | ␉oldMap = NULL;␊ |
1570 | ␉scanBootVolumes(biosdev, 0);␊ |
1571 | }␊ |
1572 | #endif␊ |
1573 | ␊ |
1574 | struct DiskBVMap* diskResetBootVolumes(int biosdev)␊ |
1575 | {␊ |
1576 | struct DiskBVMap * map;␊ |
1577 | struct DiskBVMap *prevMap = NULL;␊ |
1578 | for ( map = gDiskBVMap; map; prevMap = map, map = map->next ) {␊ |
1579 | if ( biosdev == map->biosdev ) {␊ |
1580 | break;␊ |
1581 | }␊ |
1582 | }␊ |
1583 | if(map != NULL)␊ |
1584 | {␊ |
1585 | verbose("Resetting BIOS device %xh\n", biosdev);␊ |
1586 | // Reset the biosbuf cache␊ |
1587 | cache_valid = false;␊ |
1588 | if(map == gDiskBVMap)␊ |
1589 | gDiskBVMap = map->next;␊ |
1590 | else if(prevMap != NULL)␊ |
1591 | prevMap->next = map->next;␊ |
1592 | else␊ |
1593 | stop("");␊ |
1594 | }␊ |
1595 | // Return the old map, either to be freed, or reinserted later␊ |
1596 | return map;␊ |
1597 | }␊ |
1598 | ␊ |
1599 | // Frees a DiskBVMap and all of its BootVolume's␊ |
1600 | void diskFreeMap(struct DiskBVMap *map)␊ |
1601 | {␊ |
1602 | if(map != NULL)␊ |
1603 | {␊ |
1604 | while(map->bvr != NULL)␊ |
1605 | {␊ |
1606 | BVRef bvr = map->bvr;␊ |
1607 | map->bvr = bvr->next;␊ |
1608 | (*bvr->bv_free)(bvr);␊ |
1609 | }␊ |
1610 | free(map);␊ |
1611 | }␊ |
1612 | }␊ |
1613 | ␊ |
1614 | BVRef diskScanBootVolumes( int biosdev, int * countPtr )␊ |
1615 | {␊ |
1616 | struct DiskBVMap * map;␊ |
1617 | BVRef bvr;␊ |
1618 | int count = 0;␊ |
1619 | ␉␊ |
1620 | // Find an existing mapping for this device.␊ |
1621 | ␉␊ |
1622 | for ( map = gDiskBVMap; map; map = map->next ) {␊ |
1623 | if ( biosdev == map->biosdev ) {␊ |
1624 | count = map->bvrcnt;␊ |
1625 | break;␊ |
1626 | }␊ |
1627 | }␊ |
1628 | ␉␊ |
1629 | if (map == NULL) {␊ |
1630 | bvr = diskScanGPTBootVolumes(biosdev, &count);␊ |
1631 | if (bvr == NULL) {␊ |
1632 | ␉␉␉bvr = diskScanFDiskBootVolumes(biosdev, &count);␊ |
1633 | }␊ |
1634 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1635 | if (bvr == NULL) {␊ |
1636 | ␉␉␉bvr = diskScanAPMBootVolumes(biosdev, &count);␊ |
1637 | }␊ |
1638 | #endif␊ |
1639 | if (bvr)␊ |
1640 | {␊ |
1641 | ␉␉␉scanFSLevelBVRSettings(bvr);␊ |
1642 | }␊ |
1643 | } else {␊ |
1644 | bvr = map->bvr;␊ |
1645 | }␊ |
1646 | if (countPtr) *countPtr += count;␊ |
1647 | return bvr;␊ |
1648 | }␊ |
1649 | ␊ |
1650 | BVRef getBVChainForBIOSDev(int biosdev)␊ |
1651 | {␊ |
1652 | ␉BVRef chain = NULL;␊ |
1653 | ␉struct DiskBVMap * map = NULL;␊ |
1654 | ␉␊ |
1655 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1656 | ␉{␊ |
1657 | ␉␉if (map->biosdev == biosdev)␊ |
1658 | ␉␉{␊ |
1659 | ␉␉␉chain = map->bvr;␊ |
1660 | ␉␉␉break;␊ |
1661 | ␉␉}␊ |
1662 | ␉}␊ |
1663 | ␉␊ |
1664 | ␉return chain;␊ |
1665 | }␊ |
1666 | ␊ |
1667 | BVRef newFilteredBVChain(int minBIOSDev, int maxBIOSDev, unsigned int allowFlags, unsigned int denyFlags, int *count)␊ |
1668 | {␊ |
1669 | ␉BVRef chain = NULL;␊ |
1670 | ␉BVRef bvr = NULL;␊ |
1671 | ␉BVRef newBVR = NULL;␊ |
1672 | ␉BVRef prevBVR = NULL;␊ |
1673 | ␉␊ |
1674 | ␉struct DiskBVMap * map = NULL;␊ |
1675 | ␉int bvCount = 0;␊ |
1676 | ␉␊ |
1677 | ␉const char *raw = 0;␊ |
1678 | ␉char* val = 0;␊ |
1679 | ␉int len;␊ |
1680 | ␊ |
1681 | ␉getValueForKey(kHidePartition, &raw, &len, &bootInfo->bootConfig);␊ |
1682 | ␉if(raw)␊ |
1683 | ␉{␊ |
1684 | ␉␉val = XMLDecode(raw); ␊ |
1685 | ␉}␊ |
1686 | ␉␊ |
1687 | ␉/*␊ |
1688 | ␉ * Traverse gDISKBVmap to get references for␊ |
1689 | ␉ * individual bvr chains of each drive.␊ |
1690 | ␉ */␊ |
1691 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1692 | ␉{␊ |
1693 | ␉␉for (bvr = map->bvr; bvr; bvr = bvr->next)␊ |
1694 | ␉␉{␊ |
1695 | ␉␉␉/*␊ |
1696 | ␉␉␉ * Save the last bvr.␊ |
1697 | ␉␉␉ */␊ |
1698 | ␉␉␉if (newBVR) prevBVR = newBVR;␊ |
1699 | ␉␉␉␊ |
1700 | ␉␉␉/*␊ |
1701 | ␉␉␉ * Allocate and copy the matched bvr entry into a new one.␊ |
1702 | ␉␉␉ */␊ |
1703 | ␉␉␉newBVR = (BVRef) malloc(sizeof(*newBVR));␊ |
1704 | ␉␉␉bcopy(bvr, newBVR, sizeof(*newBVR));␊ |
1705 | ␉␉␉␊ |
1706 | ␉␉␉/*␊ |
1707 | ␉␉␉ * Adjust the new bvr's fields.␊ |
1708 | ␉␉␉ */␊ |
1709 | ␉␉␉newBVR->next = NULL;␊ |
1710 | ␉␉␉newBVR->filtered = true;␊ |
1711 | ␉␉␉␊ |
1712 | ␉␉␉if ( (!allowFlags || newBVR->flags & allowFlags)␊ |
1713 | ␉␉␉␉&& (!denyFlags || !(newBVR->flags & denyFlags) )␊ |
1714 | ␉␉␉␉&& (newBVR->biosdev >= minBIOSDev && newBVR->biosdev <= maxBIOSDev)␊ |
1715 | ␉␉␉␉)␊ |
1716 | ␉␉␉␉newBVR->visible = true;␊ |
1717 | ␉␉␉␊ |
1718 | ␉␉␉/* Looking for "Hide Partition" entries in 'hd(x,y)|uuid|"label" hd(m,n)|uuid|"label"' format␊ |
1719 | ␉␉␉ * to be able to hide foreign partitions from the boot menu.␊ |
1720 | ␉␉␉ */␊ |
1721 | ␉␉␉if ( (newBVR->flags & kBVFlagForeignBoot) )␊ |
1722 | ␉␉␉{␊ |
1723 | ␉␉␉␉char *start, *next = val;␊ |
1724 | ␉␉␉␉long len = 0; ␊ |
1725 | ␉␉␉␉do␊ |
1726 | ␉␉␉␉{␊ |
1727 | ␉␉␉␉␉start = strbreak(next, &next, &len);␊ |
1728 | ␉␉␉␉␉if(len && matchVolumeToString(newBVR, start, len) )␊ |
1729 | ␉␉␉␉␉␉newBVR->visible = false;␊ |
1730 | ␉␉␉␉}␊ |
1731 | ␉␉␉␉while ( next && *next );␊ |
1732 | ␉␉␉}␊ |
1733 | ␉␉␉␊ |
1734 | ␉␉␉/*␊ |
1735 | ␉␉␉ * Use the first bvr entry as the starting chain pointer.␊ |
1736 | ␉␉␉ */␊ |
1737 | ␉␉␉if (!chain)␊ |
1738 | ␉␉␉␉chain = newBVR;␊ |
1739 | ␉␉␉␊ |
1740 | ␉␉␉/*␊ |
1741 | ␉␉␉ * Update the previous bvr's link pointer to use the new memory area.␊ |
1742 | ␉␉␉ */␊ |
1743 | ␉␉␉if (prevBVR)␊ |
1744 | ␉␉␉␉prevBVR->next = newBVR;␊ |
1745 | ␉␉␉␊ |
1746 | ␉␉␉if (newBVR->visible)␊ |
1747 | ␉␉␉␉bvCount++;␊ |
1748 | ␉␉}␊ |
1749 | ␉}␊ |
1750 | ␉␊ |
1751 | #if DEBUG␊ |
1752 | ␉for (bvr = chain; bvr; bvr = bvr->next)␊ |
1753 | ␉{␊ |
1754 | ␉␉printf(" bvr: %d, dev: %d, part: %d, flags: %d, vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->visible);␊ |
1755 | ␉}␊ |
1756 | ␉printf("count: %d\n", bvCount);␊ |
1757 | ␉getc();␊ |
1758 | #endif␊ |
1759 | ␉␊ |
1760 | ␉*count = bvCount;␊ |
1761 | ␉␊ |
1762 | ␉free(val); ␊ |
1763 | ␉return chain;␊ |
1764 | }␊ |
1765 | ␊ |
1766 | int freeFilteredBVChain(const BVRef chain)␊ |
1767 | {␊ |
1768 | ␉int ret = 1;␊ |
1769 | ␉BVRef bvr = chain;␊ |
1770 | ␉BVRef nextBVR = NULL;␊ |
1771 | ␉␊ |
1772 | ␉while (bvr)␊ |
1773 | ␉{␊ |
1774 | ␉␉nextBVR = bvr->next;␊ |
1775 | ␉␉␊ |
1776 | ␉␉if (bvr->filtered)␊ |
1777 | ␉␉{␊ |
1778 | ␉␉␉free(bvr);␊ |
1779 | ␉␉}␊ |
1780 | ␉␉else␊ |
1781 | ␉␉{␊ |
1782 | ␉␉␉ret = 0;␊ |
1783 | ␉␉␉break;␊ |
1784 | ␉␉}␊ |
1785 | ␉␉␊ |
1786 | ␉␉bvr = nextBVR;␊ |
1787 | ␉}␊ |
1788 | ␉␊ |
1789 | ␉return ret;␊ |
1790 | }␊ |
1791 | ␊ |
1792 | //==========================================================================␊ |
1793 | ␊ |
1794 | static const struct NamedValue fdiskTypes[] =␊ |
1795 | {␊ |
1796 | #ifndef NO_WIN_SUPPORT␊ |
1797 | { FDISK_NTFS, "Windows NTFS" },␊ |
1798 | ␉{ FDISK_DOS12, "Windows FAT12" },␊ |
1799 | ␉{ FDISK_DOS16B, "Windows FAT16" },␊ |
1800 | ␉{ FDISK_DOS16S, "Windows FAT16" },␊ |
1801 | ␉{ FDISK_DOS16SLBA, "Windows FAT16" },␊ |
1802 | ␉{ FDISK_SMALLFAT32, "Windows FAT32" },␊ |
1803 | ␉{ FDISK_FAT32, "Windows FAT32" },␊ |
1804 | #endif␊ |
1805 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1806 | ␉{ FDISK_FREEBSD, "FreeBSD" },␊ |
1807 | { FDISK_OPENBSD, "OpenBSD" },␊ |
1808 | #endif␊ |
1809 | #ifndef NO_LINUX_SUPPORT␊ |
1810 | { FDISK_LINUX, "Linux" },␊ |
1811 | #endif␊ |
1812 | #ifdef UFS_SUPPORT␊ |
1813 | { FDISK_UFS, "Apple UFS" },␊ |
1814 | #endif␊ |
1815 | { FDISK_HFS, "Apple HFS" },␊ |
1816 | { FDISK_BOOTER, "Apple Boot/UFS" },␊ |
1817 | { 0xCD, "CD-ROM" },␊ |
1818 | { 0x00, 0 } /* must be last */␊ |
1819 | };␊ |
1820 | ␊ |
1821 | //==========================================================================␊ |
1822 | ␊ |
1823 | bool matchVolumeToString( BVRef bvr, const char* match, long matchLen)␊ |
1824 | {␊ |
1825 | ␉char testStr[128];␊ |
1826 | ␉␊ |
1827 | ␉if ( !bvr || !match || !*match)␊ |
1828 | ␉␉return 0;␊ |
1829 | ␉␊ |
1830 | ␉if ( bvr->biosdev < 0x80 || bvr->biosdev >= 0x100 )␊ |
1831 | return 0;␊ |
1832 | ␊ |
1833 | // Try to match hd(x,y) first.␊ |
1834 | sprintf(testStr, "hd(%d,%d)", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1835 | if ( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1836 | return true;␊ |
1837 | ␊ |
1838 | // Try to match volume UUID.␊ |
1839 | if ( bvr->fs_getuuid && bvr->fs_getuuid(bvr, testStr) == 0)␊ |
1840 | {␊ |
1841 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1842 | return true;␊ |
1843 | }␊ |
1844 | ␊ |
1845 | // Try to match volume label (always quoted).␊ |
1846 | if ( bvr->description )␊ |
1847 | {␊ |
1848 | bvr->description(bvr, testStr, sizeof(testStr)-1);␊ |
1849 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1850 | return true;␊ |
1851 | }␊ |
1852 | ␊ |
1853 | return false;␊ |
1854 | }␊ |
1855 | ␊ |
1856 | /* If Rename Partition has defined an alias, then extract it for description purpose␊ |
1857 | * The format for the rename string is the following:␊ |
1858 | * hd(x,y)|uuid|"label" "alias";hd(m,n)|uuid|"label" etc; ...␊ |
1859 | */␊ |
1860 | ␊ |
1861 | bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen)␊ |
1862 | {␊ |
1863 | char *aliasList, *entryStart, *entryNext;␊ |
1864 | ␊ |
1865 | if ( !str || strMaxLen <= 0)␊ |
1866 | return false;␊ |
1867 | ␊ |
1868 | aliasList = XMLDecode(getStringForKey(kRenamePartition, &bootInfo->bootConfig));␊ |
1869 | if ( !aliasList )␊ |
1870 | return false;␊ |
1871 | ␊ |
1872 | for ( entryStart = entryNext = aliasList;␊ |
1873 | ␉␉ entryNext && *entryNext;␊ |
1874 | ␉␉ entryStart = entryNext )␊ |
1875 | {␊ |
1876 | char *volStart, *volEnd, *aliasStart;␊ |
1877 | long volLen, aliasLen;␊ |
1878 | ␊ |
1879 | // Delimit current entry␊ |
1880 | entryNext = strchr(entryStart, ';');␊ |
1881 | if ( entryNext )␊ |
1882 | {␊ |
1883 | *entryNext = '\0';␊ |
1884 | entryNext++;␊ |
1885 | }␊ |
1886 | ␊ |
1887 | volStart = strbreak(entryStart, &volEnd, &volLen);␊ |
1888 | if(!volLen)␊ |
1889 | continue;␊ |
1890 | ␊ |
1891 | aliasStart = strbreak(volEnd, 0, &aliasLen);␊ |
1892 | if(!aliasLen)␊ |
1893 | continue;␊ |
1894 | ␊ |
1895 | if ( matchVolumeToString(bvr, volStart, volLen) )␊ |
1896 | { ␊ |
1897 | strncat(str, aliasStart, min(strMaxLen, aliasLen));␊ |
1898 | free(aliasList);␊ |
1899 | ␉␉␉␊ |
1900 | return true;␊ |
1901 | }␊ |
1902 | }␊ |
1903 | ␊ |
1904 | free(aliasList);␊ |
1905 | return false;␊ |
1906 | }␊ |
1907 | ␊ |
1908 | void getBootVolumeDescription( BVRef bvr, char * str, long strMaxLen, bool useDeviceDescription )␊ |
1909 | {␊ |
1910 | unsigned char type;␊ |
1911 | char *p = str;␊ |
1912 | ␊ |
1913 | if(!bvr || !p || strMaxLen <= 0)␊ |
1914 | return;␊ |
1915 | ␊ |
1916 | type = (unsigned char) bvr->part_type;␊ |
1917 | ␉␊ |
1918 | if (useDeviceDescription)␊ |
1919 | {␊ |
1920 | int len = getDeviceDescription(bvr, str);␊ |
1921 | if(len >= strMaxLen)␊ |
1922 | return;␊ |
1923 | ␊ |
1924 | strcpy(str + len, " ");␊ |
1925 | len++;␊ |
1926 | strMaxLen -= len;␊ |
1927 | p += len;␊ |
1928 | }␊ |
1929 | ␉␊ |
1930 | /* See if a partition rename is preferred */␊ |
1931 | if(getVolumeLabelAlias(bvr, p, strMaxLen)) {␊ |
1932 | strncpy(bvr->label, p, strMaxLen); ␊ |
1933 | return; // we're done here no need to seek for real name␊ |
1934 | }␊ |
1935 | ␉␊ |
1936 | //␊ |
1937 | // Get the volume label using filesystem specific functions␊ |
1938 | // or use the alternate volume label if available.␊ |
1939 | //␊ |
1940 | ␉if (*bvr->altlabel != '\0')␊ |
1941 | strncpy(p, bvr->altlabel, strMaxLen);␊ |
1942 | ␉else if (bvr->description)␊ |
1943 | bvr->description(bvr, p, strMaxLen);␊ |
1944 | ␉␊ |
1945 | if (*p == '\0') {␊ |
1946 | const char * name = getNameForValue( fdiskTypes, type );␊ |
1947 | if (name == NULL) {␊ |
1948 | name = bvr->type_name;␊ |
1949 | }␊ |
1950 | if (name == NULL) {␊ |
1951 | sprintf(p, "TYPE %02x", type);␊ |
1952 | } else {␊ |
1953 | strncpy(p, name, strMaxLen);␊ |
1954 | }␊ |
1955 | }␊ |
1956 | ␊ |
1957 | // Set the devices label␊ |
1958 | sprintf(bvr->label, p);␊ |
1959 | }␊ |
1960 | ␊ |
1961 | //==========================================================================␊ |
1962 | int readBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
1963 | {␊ |
1964 | struct disk_blk0 * bootSector = (struct disk_blk0 *) buffer;␊ |
1965 | int error;␊ |
1966 | ␉␊ |
1967 | if ( bootSector == NULL )␊ |
1968 | {␊ |
1969 | if ( gBootSector == NULL )␊ |
1970 | {␊ |
1971 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
1972 | if ( gBootSector == NULL ) return -1;␊ |
1973 | }␊ |
1974 | bootSector = gBootSector;␊ |
1975 | }␊ |
1976 | ␉␊ |
1977 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
1978 | if ( error || bootSector->signature != DISK_SIGNATURE )␊ |
1979 | return -1;␊ |
1980 | ␉␊ |
1981 | return 0;␊ |
1982 | }␊ |
1983 | ␊ |
1984 | #ifndef NO_WIN_SUPPORT␊ |
1985 | /*␊ |
1986 | * Format of boot1f32 block.␊ |
1987 | */␊ |
1988 | ␊ |
1989 | #define BOOT1F32_MAGIC "BOOT "␊ |
1990 | #define BOOT1F32_MAGICLEN 11␊ |
1991 | ␊ |
1992 | struct disk_boot1f32_blk {␊ |
1993 | unsigned char init[3];␊ |
1994 | unsigned char fsheader[87];␊ |
1995 | unsigned char magic[BOOT1F32_MAGICLEN];␊ |
1996 | unsigned char bootcode[409];␊ |
1997 | unsigned short signature;␊ |
1998 | };␊ |
1999 | ␊ |
2000 | int testFAT32EFIBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2001 | {␊ |
2002 | struct disk_boot1f32_blk * bootSector = (struct disk_boot1f32_blk *) buffer;␊ |
2003 | int error;␊ |
2004 | ␉␊ |
2005 | if ( bootSector == NULL )␊ |
2006 | {␊ |
2007 | if ( gBootSector == NULL )␊ |
2008 | {␊ |
2009 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2010 | if ( gBootSector == NULL ) return -1;␊ |
2011 | }␊ |
2012 | bootSector = (struct disk_boot1f32_blk *) gBootSector;␊ |
2013 | }␊ |
2014 | ␉␊ |
2015 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2016 | if ( error || bootSector->signature != DISK_SIGNATURE␊ |
2017 | ␉␉|| strncmp((const char *)bootSector->magic, BOOT1F32_MAGIC, BOOT1F32_MAGICLEN) )␊ |
2018 | ␉␉return -1;␊ |
2019 | ␉␊ |
2020 | return 0;␊ |
2021 | }␊ |
2022 | #endif␊ |
2023 | //==========================================================================␊ |
2024 | // Handle seek request from filesystem modules.␊ |
2025 | ␊ |
2026 | void diskSeek( BVRef bvr, long long position )␊ |
2027 | {␊ |
2028 | bvr->fs_boff = position / BPS;␊ |
2029 | bvr->fs_byteoff = position % BPS;␊ |
2030 | }␊ |
2031 | ␊ |
2032 | //==========================================================================␊ |
2033 | // Handle read request from filesystem modules.␊ |
2034 | ␊ |
2035 | int diskRead( BVRef bvr, long addr, long length )␊ |
2036 | {␊ |
2037 | return readBytes( bvr->biosdev,␊ |
2038 | ␉␉␉␉␉ bvr->fs_boff + bvr->part_boff,␊ |
2039 | ␉␉␉␉␉ bvr->fs_byteoff,␊ |
2040 | ␉␉␉␉␉ length,␊ |
2041 | ␉␉␉␉␉ (void *) addr );␊ |
2042 | }␊ |
2043 | ␊ |
2044 | #if UNUSED␊ |
2045 | int rawDiskRead( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2046 | {␊ |
2047 | int secs;␊ |
2048 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2049 | unsigned int copy_len;␊ |
2050 | int rc;␊ |
2051 | ␉␊ |
2052 | if ((len & (BPS-1)) != 0) {␊ |
2053 | error("raw disk read not sector aligned");␊ |
2054 | return -1;␊ |
2055 | }␊ |
2056 | secno += bvr->part_boff;␊ |
2057 | ␉␊ |
2058 | cache_valid = false;␊ |
2059 | ␉␊ |
2060 | while (len > 0) {␊ |
2061 | secs = len / BPS;␊ |
2062 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2063 | copy_len = secs * BPS;␊ |
2064 | ␉␉␊ |
2065 | //printf("rdr: ebiosread(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2066 | if ((rc = ebiosread(bvr->biosdev, secno, secs)) != 0) {␊ |
2067 | /* Ignore corrected ECC errors */␊ |
2068 | if (rc != ECC_CORRECTED_ERR) {␊ |
2069 | error(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
2070 | error(" Block %d Sectors %d\n", secno, secs);␊ |
2071 | return rc;␊ |
2072 | }␊ |
2073 | }␊ |
2074 | bcopy( trackbuf, cbuf, copy_len );␊ |
2075 | len -= copy_len;␊ |
2076 | cbuf += copy_len;␊ |
2077 | secno += secs;␊ |
2078 | #if TEXT_SPINNER␊ |
2079 | ␉␉spinActivityIndicator(secs);␊ |
2080 | #endif␊ |
2081 | }␊ |
2082 | ␉␊ |
2083 | return 0;␊ |
2084 | }␊ |
2085 | ␊ |
2086 | int rawDiskWrite( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2087 | {␊ |
2088 | int secs;␊ |
2089 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2090 | unsigned int copy_len;␊ |
2091 | int rc;␊ |
2092 | ␉␊ |
2093 | if ((len & (BPS-1)) != 0) {␊ |
2094 | error("raw disk write not sector aligned");␊ |
2095 | return -1;␊ |
2096 | }␊ |
2097 | secno += bvr->part_boff;␊ |
2098 | ␉␊ |
2099 | cache_valid = false;␊ |
2100 | ␉␊ |
2101 | while (len > 0) {␊ |
2102 | secs = len / BPS;␊ |
2103 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2104 | copy_len = secs * BPS;␊ |
2105 | ␉␉␊ |
2106 | bcopy( cbuf, trackbuf, copy_len );␊ |
2107 | //printf("rdr: ebioswrite(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2108 | if ((rc = ebioswrite(bvr->biosdev, secno, secs)) != 0) {␊ |
2109 | error(" EBIOS write error: %s\n", bios_error(rc), rc);␊ |
2110 | error(" Block %d Sectors %d\n", secno, secs);␊ |
2111 | return rc;␊ |
2112 | }␊ |
2113 | len -= copy_len;␊ |
2114 | cbuf += copy_len;␊ |
2115 | secno += secs;␊ |
2116 | #if TEXT_SPINNER␊ |
2117 | ␉␉spinActivityIndicator(secs);␊ |
2118 | #endif␊ |
2119 | }␊ |
2120 | ␉␊ |
2121 | return 0;␊ |
2122 | }␊ |
2123 | #endif␊ |
2124 | ␊ |
2125 | int diskIsCDROM(BVRef bvr)␊ |
2126 | {␊ |
2127 | struct driveInfo di;␊ |
2128 | ␉␊ |
2129 | if (getDriveInfo(bvr->biosdev, &di) == 0 && di.no_emulation) {␊ |
2130 | ␉␉return 1;␊ |
2131 | }␊ |
2132 | return 0;␊ |
2133 | }␊ |
2134 | ␊ |
2135 | int biosDevIsCDROM(int biosdev)␊ |
2136 | {␊ |
2137 | struct driveInfo di;␊ |
2138 | ␉␊ |
2139 | if (getDriveInfo(biosdev, &di) == 0 && di.no_emulation)␊ |
2140 | {␊ |
2141 | ␉return 1;␊ |
2142 | }␊ |
2143 | return 0;␊ |
2144 | }␊ |
2145 | |