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 | #ifndef NO_HAIKU_SUPPORT␊ |
75 | #include "befs.h"␊ |
76 | #endif␊ |
77 | ␊ |
78 | #include "xml.h"␊ |
79 | #include "disk.h"␊ |
80 | #include "modules.h"␊ |
81 | ␊ |
82 | #ifndef DEBUG_DISK␊ |
83 | #define DEBUG_DISK 0␊ |
84 | #endif␊ |
85 | ␊ |
86 | #if DEBUG_DISK==2␊ |
87 | #define DBG(x...) {printf(x); sleep(1);}␊ |
88 | #elif DEBUG_DISK==1␊ |
89 | #define DBG(x...) printf(x)␊ |
90 | #else␊ |
91 | #define DBG(x...)␊ |
92 | #endif␊ |
93 | ␊ |
94 | #ifndef MIN␊ |
95 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
96 | #endif␊ |
97 | ␊ |
98 | #ifndef MAX␊ |
99 | #define MAX(x, y) ((x) > (y) ? (x) : (y))␊ |
100 | #endif␊ |
101 | ␊ |
102 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
103 | #define␉UINT_MAX␉0xffffffff␉/* max value for an unsigned int, defined in <limits.h>. */␊ |
104 | #include <IOKit/storage/IOApplePartitionScheme.h>␊ |
105 | #define kAPMSector 2 /* Sector number of Apple partition map */␊ |
106 | #define kAPMCDSector 8 /* Translated sector of Apple partition map on a CD */␊ |
107 | #else␊ |
108 | #define DPISTRLEN 32 // Defined in <IOApplePartitionScheme.h>.␊ |
109 | #endif␊ |
110 | ␊ |
111 | #include <IOKit/storage/IOGUIDPartitionScheme.h>␊ |
112 | typedef struct gpt_hdr gpt_hdr;␊ |
113 | typedef struct gpt_ent gpt_ent;␊ |
114 | ␊ |
115 | // For EFI_GUID␊ |
116 | #include "efi.h"␊ |
117 | #include "efi_tables.h"␊ |
118 | ␊ |
119 | #define PROBEFS_SIZE BPS * 4 /* buffer size for filesystem probe */␊ |
120 | #define N_CACHE_SECS (BIOS_LEN / BPS) /* Must be a multiple of 4 for CD-ROMs */␊ |
121 | ␊ |
122 | #if UNUSED␊ |
123 | #define CD_BPS 2048 /* CD-ROM block size */␊ |
124 | #endif␊ |
125 | ␊ |
126 | /*␊ |
127 | * IORound and IOTrunc convenience functions, in the spirit␊ |
128 | * of vm's round_page() and trunc_page().␊ |
129 | */␊ |
130 | #define IORound(value,multiple) \␊ |
131 | ((((value) + (multiple) - 1) / (multiple)) * (multiple))␊ |
132 | ␊ |
133 | /*␊ |
134 | #define IOTrunc(value,multiple) \␊ |
135 | (((value) / (multiple)) * (multiple));␊ |
136 | */␊ |
137 | ␊ |
138 | /*␊ |
139 | * trackbuf points to the start of the track cache. Biosread()␊ |
140 | * will store the sectors read from disk to this memory area.␊ |
141 | *␊ |
142 | * biosbuf points to a sector within the track cache, and is␊ |
143 | * updated by Biosread().␊ |
144 | */␊ |
145 | static char * const trackbuf = (char *) ptov(BIOS_ADDR);␊ |
146 | static char * biosbuf;␊ |
147 | ␊ |
148 | /*␊ |
149 | * Map a disk drive to bootable volumes contained within.␊ |
150 | */␊ |
151 | struct DiskBVMap {␊ |
152 | int biosdev; // BIOS device number (unique)␊ |
153 | BVRef bvr; // chain of boot volumes on the disk␊ |
154 | int bvrcnt; // number of boot volumes␊ |
155 | struct DiskBVMap * next; // linkage to next mapping␊ |
156 | };␊ |
157 | ␊ |
158 | static struct DiskBVMap * gDiskBVMap = NULL;␊ |
159 | static struct disk_blk0 * gBootSector = NULL;␊ |
160 | ␊ |
161 | ␊ |
162 | #if TEXT_SPINNER␊ |
163 | extern void spinActivityIndicator(int sectors);␊ |
164 | #endif␊ |
165 | ␊ |
166 | struct NamedValue {␊ |
167 | unsigned char value;␊ |
168 | const char * name;␊ |
169 | };␊ |
170 | ␊ |
171 | static int getDriveInfo( int biosdev, struct driveInfo *dip );␊ |
172 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
173 | ␉␉␉␉␉␉␉␉␉unsigned char value );␊ |
174 | static int Biosread( int biosdev, unsigned long long secno );␊ |
175 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
176 | ␉␉␉␉␉ unsigned int byteoff,␊ |
177 | ␉␉␉␉␉ unsigned int byteCount, void * buffer );␊ |
178 | static int isExtendedFDiskPartition( const struct fdisk_part * part );␊ |
179 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
180 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart );␊ |
181 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
182 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
183 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
184 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
185 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
186 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
187 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
188 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
189 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
190 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags );␊ |
191 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr );␊ |
192 | static int probeFileSystem(int biosdev, unsigned int blkoff);␊ |
193 | static bool isPartitionUsed(gpt_ent * partition);␊ |
194 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr );␊ |
195 | static void scanFSLevelBVRSettings(BVRef chain);␊ |
196 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
197 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr );␊ |
198 | #endif␊ |
199 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id );␊ |
200 | static bool getOSVersion(BVRef bvr, char *str);␊ |
201 | ␊ |
202 | //==========================================================================␊ |
203 | ␊ |
204 | static int getDriveInfo( int biosdev, struct driveInfo *dip )␊ |
205 | {␊ |
206 | static struct driveInfo cached_di;␊ |
207 | ␉int cc;␊ |
208 | #ifndef OPTION_ROM ␊ |
209 | // Real BIOS devices are 8-bit, so anything above that is for internal use.␊ |
210 | // Don't cache ramdisk drive info since it doesn't require several BIOS␊ |
211 | // calls and is thus not worth it.␊ |
212 | if(biosdev >= 0x100 && execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)␊ |
213 | {␊ |
214 | ␉␉int ret = 0;␊ |
215 | ␉␉execute_hook("p_get_ramdisk_info", &biosdev, (void *)dip, &ret, NULL, NULL, NULL);␊ |
216 | ␉␉return ret;␊ |
217 | ␉␉␊ |
218 | }␊ |
219 | #endif␊ |
220 | if ( !cached_di.valid || biosdev != cached_di.biosdev )␊ |
221 | {␊ |
222 | ␉␉cc = get_drive_info(biosdev, &cached_di);␊ |
223 | if (cc < 0) {␊ |
224 | ␉␉␉cached_di.valid = 0;␊ |
225 | DEBUG_DISK(("get_drive_info returned error\n"));␊ |
226 | ␉␉␉return (-1); // BIOS call error␊ |
227 | ␉␉}␊ |
228 | }␊ |
229 | ␉␊ |
230 | bcopy(&cached_di, dip, sizeof(cached_di));␊ |
231 | ␉␊ |
232 | return 0;␊ |
233 | }␊ |
234 | ␊ |
235 | //==========================================================================␊ |
236 | // Maps (E)BIOS return codes to message strings.␊ |
237 | ␊ |
238 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
239 | ␉␉␉␉␉␉␉␉␉unsigned char value )␊ |
240 | {␊ |
241 | const struct NamedValue * np;␊ |
242 | ␉␊ |
243 | for ( np = nameTable; np->value; np++)␊ |
244 | if (np->value == value)␊ |
245 | return np->name;␊ |
246 | ␉␊ |
247 | return NULL;␊ |
248 | }␊ |
249 | ␊ |
250 | #define ECC_CORRECTED_ERR 0x11␊ |
251 | ␊ |
252 | static const struct NamedValue bios_errors[] = {␊ |
253 | { 0x10, "Media error" },␊ |
254 | { 0x11, "Corrected ECC error" },␊ |
255 | { 0x20, "Controller or device error" },␊ |
256 | { 0x40, "Seek failed" },␊ |
257 | { 0x80, "Device timeout" },␊ |
258 | { 0xAA, "Drive not ready" },␊ |
259 | { 0x00, 0 }␊ |
260 | };␊ |
261 | ␊ |
262 | static const char * bios_error(int errnum)␊ |
263 | {␊ |
264 | static char errorstr[] = "Error 0x00";␊ |
265 | const char * errname;␊ |
266 | ␉␊ |
267 | errname = getNameForValue( bios_errors, errnum );␊ |
268 | if ( errname ) return errname;␊ |
269 | ␉␊ |
270 | sprintf(errorstr, "Error 0x%02x", errnum);␊ |
271 | return errorstr; // No string, print error code only␊ |
272 | }␊ |
273 | ␊ |
274 | //==========================================================================␊ |
275 | // Use BIOS INT13 calls to read the sector specified. This function will␊ |
276 | // also perform read-ahead to cache a few subsequent sector to the sector␊ |
277 | // cache.␊ |
278 | // ␊ |
279 | // Return:␊ |
280 | // 0 on success, or an error code from INT13/F2 or INT13/F42 BIOS call.␊ |
281 | ␊ |
282 | static bool cache_valid = false;␊ |
283 | ␊ |
284 | static int Biosread( int biosdev, unsigned long long secno )␊ |
285 | {␊ |
286 | static int xbiosdev, xcyl, xhead;␊ |
287 | static unsigned int xsec, xnsecs;␊ |
288 | struct driveInfo di;␊ |
289 | ␉␊ |
290 | int rc = -1;␊ |
291 | int cyl, head, sec;␊ |
292 | int tries = 0;␊ |
293 | int bps, divisor;␊ |
294 | ␉␊ |
295 | if (getDriveInfo(biosdev, &di) < 0) {␊ |
296 | ␉␉return -1;␊ |
297 | }␊ |
298 | if (di.no_emulation) {␊ |
299 | ␉␉/* Always assume 2k block size; BIOS may lie about geometry */␊ |
300 | ␉␉bps = 2048;␊ |
301 | } else {␊ |
302 | ␉␉bps = di.di.params.phys_nbps;␊ |
303 | if (bps == 0) {␊ |
304 | return -1;␊ |
305 | }␊ |
306 | }␊ |
307 | divisor = bps / BPS;␊ |
308 | ␉␊ |
309 | DEBUG_DISK(("Biosread dev %x sec %d bps %d\n", biosdev, secno, bps));␊ |
310 | ␉␊ |
311 | // To read the disk sectors, use EBIOS if we can. Otherwise,␊ |
312 | // revert to the standard BIOS calls.␊ |
313 | ␉␊ |
314 | if ((biosdev >= kBIOSDevTypeHardDrive) &&␊ |
315 | (di.uses_ebios & EBIOS_FIXED_DISK_ACCESS))␊ |
316 | {␊ |
317 | if (cache_valid &&␊ |
318 | (biosdev == xbiosdev) &&␊ |
319 | (secno >= xsec) &&␊ |
320 | ((unsigned int)secno < (xsec + xnsecs)))␊ |
321 | {␊ |
322 | biosbuf = trackbuf + (BPS * (secno - xsec));␊ |
323 | return 0;␊ |
324 | }␊ |
325 | ␉␉␊ |
326 | xnsecs = N_CACHE_SECS;␊ |
327 | xsec = (secno / divisor) * divisor;␊ |
328 | cache_valid = false;␊ |
329 | ␉␉␊ |
330 | while ((rc = ebiosread(biosdev, secno / divisor, xnsecs / divisor)) && (++tries < 5))␊ |
331 | {␊ |
332 | if (rc == ECC_CORRECTED_ERR) {␊ |
333 | /* Ignore corrected ECC errors */␊ |
334 | rc = 0;␊ |
335 | break;␊ |
336 | }␊ |
337 | printf(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
338 | printf(" Block 0x%x Sectors %d\n", secno, xnsecs);␊ |
339 | sleep(1);␊ |
340 | }␊ |
341 | }␊ |
342 | else␊ |
343 | {␊ |
344 | ␉␉/* spc = spt * heads */␊ |
345 | ␉␉int spc = (di.di.params.phys_spt * di.di.params.phys_heads);␊ |
346 | cyl = secno / spc;␊ |
347 | head = (secno % spc) / di.di.params.phys_spt;␊ |
348 | sec = secno % di.di.params.phys_spt;␊ |
349 | ␉␉␊ |
350 | if (cache_valid &&␊ |
351 | (biosdev == xbiosdev) &&␊ |
352 | (cyl == xcyl) &&␊ |
353 | (head == xhead) &&␊ |
354 | ((unsigned int)sec >= xsec) &&␊ |
355 | ((unsigned int)sec < (xsec + xnsecs)))␊ |
356 | {␊ |
357 | // this sector is in trackbuf cache␊ |
358 | biosbuf = trackbuf + (BPS * (sec - xsec));␊ |
359 | return 0;␊ |
360 | }␊ |
361 | ␉␉␊ |
362 | // Cache up to a track worth of sectors, but do not cross a␊ |
363 | // track boundary.␊ |
364 | ␉␉␊ |
365 | xcyl = cyl;␊ |
366 | xhead = head;␊ |
367 | xsec = sec;␊ |
368 | xnsecs = ((unsigned int)(sec + N_CACHE_SECS) > di.di.params.phys_spt) ? (di.di.params.phys_spt - sec) : N_CACHE_SECS;␊ |
369 | cache_valid = false;␊ |
370 | ␉␉␊ |
371 | while ((rc = biosread(biosdev, cyl, head, sec, xnsecs)) &&␊ |
372 | (++tries < 5))␊ |
373 | {␊ |
374 | if (rc == ECC_CORRECTED_ERR) {␊ |
375 | /* Ignore corrected ECC errors */␊ |
376 | rc = 0;␊ |
377 | break;␊ |
378 | }␊ |
379 | printf(" BIOS read error: %s\n", bios_error(rc), rc);␊ |
380 | printf(" Block %d, Cyl %d Head %d Sector %d\n",␊ |
381 | secno, cyl, head, sec);␊ |
382 | sleep(1);␊ |
383 | }␊ |
384 | }␊ |
385 | ␉␊ |
386 | // If the BIOS reported success, mark the sector cache as valid.␊ |
387 | ␉␊ |
388 | if (rc == 0) {␊ |
389 | cache_valid = true;␊ |
390 | }␊ |
391 | biosbuf = trackbuf + (secno % divisor) * BPS;␊ |
392 | xbiosdev = biosdev;␊ |
393 | ␊ |
394 | #if TEXT_SPINNER␊ |
395 | ␉spinActivityIndicator(xnsecs);␊ |
396 | #endif␊ |
397 | ␉␊ |
398 | return rc;␊ |
399 | }␊ |
400 | ␊ |
401 | //==========================================================================␊ |
402 | ␊ |
403 | int testBiosread( int biosdev, unsigned long long secno )␊ |
404 | {␊ |
405 | ␉return Biosread(biosdev, secno);␊ |
406 | }␊ |
407 | ␊ |
408 | //==========================================================================␊ |
409 | ␊ |
410 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
411 | ␉␉␉␉␉ unsigned int byteoff,␊ |
412 | ␉␉␉␉␉ unsigned int byteCount, void * buffer )␊ |
413 | {␊ |
414 | #ifndef OPTION_ROM ␊ |
415 | // ramdisks require completely different code for reading.␊ |
416 | ␊ |
417 | ␉␊ |
418 | ␉if(biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)){␊ |
419 | ␉␊ |
420 | ␉␉int ret = -1;␊ |
421 | ␉␉execute_hook("p_ramdiskReadBytes", &biosdev, (void*)(unsigned long)&blkno, &byteoff, &byteCount, buffer, &ret);␊ |
422 | ␉␉return ret;␊ |
423 | ␉}␊ |
424 | #endif␉␉␉␊ |
425 | ␉␊ |
426 | char * cbuf = (char *) buffer;␊ |
427 | int error;␊ |
428 | int copy_len;␊ |
429 | ␉␊ |
430 | DEBUG_DISK(("%s: dev %x block %x [%d] -> 0x%x...", __FUNCTION__,␊ |
431 | biosdev, blkno, byteCount, (unsigned)cbuf));␊ |
432 | ␉␊ |
433 | for ( ; byteCount; cbuf += copy_len, blkno++ )␊ |
434 | {␊ |
435 | error = Biosread( biosdev, blkno );␊ |
436 | if ( error )␊ |
437 | {␊ |
438 | DEBUG_DISK(("error\n"));␊ |
439 | return (-1);␊ |
440 | }␊ |
441 | ␉␉␊ |
442 | copy_len = ((byteCount + byteoff) > BPS) ? (BPS - byteoff) : byteCount;␊ |
443 | bcopy( biosbuf + byteoff, cbuf, copy_len );␊ |
444 | byteCount -= copy_len;␊ |
445 | byteoff = 0;␊ |
446 | }␊ |
447 | ␉␊ |
448 | DEBUG_DISK(("done\n"));␊ |
449 | ␉␊ |
450 | return 0; ␊ |
451 | }␊ |
452 | ␊ |
453 | //==========================================================================␊ |
454 | ␊ |
455 | static int isExtendedFDiskPartition( const struct fdisk_part * part )␊ |
456 | {␊ |
457 | static unsigned char extParts[] =␊ |
458 | {␊ |
459 | 0x05, /* Extended */␊ |
460 | 0x0f, /* Win95 extended */␊ |
461 | 0x85, /* Linux extended */␊ |
462 | };␊ |
463 | ␉␊ |
464 | unsigned int i;␊ |
465 | ␉␊ |
466 | for (i = 0; i < sizeof(extParts)/sizeof(extParts[0]); i++)␊ |
467 | {␊ |
468 | if (extParts[i] == part->systid) return 1;␊ |
469 | }␊ |
470 | return 0;␊ |
471 | }␊ |
472 | ␊ |
473 | //==========================================================================␊ |
474 | ␊ |
475 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
476 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart )␊ |
477 | {␊ |
478 | static int sBiosdev = -1;␊ |
479 | static int sNextPartNo;␊ |
480 | static unsigned int sFirstBase;␊ |
481 | static unsigned int sExtBase;␊ |
482 | static unsigned int sExtDepth;␊ |
483 | static struct fdisk_part * sExtPart;␊ |
484 | struct fdisk_part * part;␊ |
485 | ␉␊ |
486 | if ( sBiosdev != biosdev || *partno < 0 )␊ |
487 | {␊ |
488 | // Fetch MBR.␊ |
489 | if ( readBootSector( biosdev, DISK_BLK0, 0 ) ) return 0;␊ |
490 | ␉␉␊ |
491 | sBiosdev = biosdev;␊ |
492 | sNextPartNo = 0;␊ |
493 | sFirstBase = 0;␊ |
494 | sExtBase = 0;␊ |
495 | sExtDepth = 0;␊ |
496 | sExtPart = NULL;␊ |
497 | }␊ |
498 | ␉␊ |
499 | while (1)␊ |
500 | {␊ |
501 | part = NULL;␊ |
502 | ␉␉␊ |
503 | if ( sNextPartNo < FDISK_NPART )␊ |
504 | {␊ |
505 | part = (struct fdisk_part *) gBootSector->parts[sNextPartNo];␊ |
506 | }␊ |
507 | else if ( sExtPart )␊ |
508 | {␊ |
509 | unsigned int blkno = sExtPart->relsect + sFirstBase;␊ |
510 | ␉␉␉␊ |
511 | // Save the block offset of the first extended partition.␊ |
512 | ␉␉␉␊ |
513 | if (sExtDepth == 0) {␊ |
514 | sFirstBase = blkno;␊ |
515 | }␊ |
516 | sExtBase = blkno;␊ |
517 | ␉␉␉␊ |
518 | // Load extended partition table.␊ |
519 | ␉␉␉␊ |
520 | if ( readBootSector( biosdev, blkno, 0 ) == 0 )␊ |
521 | {␊ |
522 | sNextPartNo = 0;␊ |
523 | sExtDepth++;␊ |
524 | sExtPart = NULL;␊ |
525 | continue;␊ |
526 | }␊ |
527 | // Fall through to part == NULL␊ |
528 | }␊ |
529 | ␉␉␊ |
530 | if ( part == NULL ) break; // Reached end of partition chain.␊ |
531 | ␉␉␊ |
532 | // Advance to next partition number.␊ |
533 | ␉␉␊ |
534 | sNextPartNo++;␊ |
535 | ␉␉␊ |
536 | if ( isExtendedFDiskPartition(part) )␊ |
537 | {␊ |
538 | sExtPart = part;␊ |
539 | continue;␊ |
540 | }␊ |
541 | ␉␉␊ |
542 | // Skip empty slots.␊ |
543 | ␉␉␊ |
544 | if ( part->systid == 0x00 )␊ |
545 | {␊ |
546 | continue;␊ |
547 | }␊ |
548 | ␉␉␊ |
549 | // Change relative offset to an absolute offset.␊ |
550 | part->relsect += sExtBase;␊ |
551 | ␉␉␊ |
552 | *outPart = part;␊ |
553 | *partno = sExtDepth ? (int)(sExtDepth + FDISK_NPART) : sNextPartNo;␊ |
554 | ␉␉␊ |
555 | break;␊ |
556 | }␊ |
557 | ␉␊ |
558 | return (part != NULL);␊ |
559 | }␊ |
560 | ␊ |
561 | //==========================================================================␊ |
562 | ␊ |
563 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
564 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
565 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
566 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
567 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
568 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
569 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
570 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
571 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
572 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
573 | {␊ |
574 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
575 | if ( bvr )␊ |
576 | {␊ |
577 | bzero(bvr, sizeof(*bvr));␊ |
578 | ␉␉␊ |
579 | bvr->biosdev = biosdev;␊ |
580 | bvr->part_no = partno;␊ |
581 | bvr->part_boff = blkoff;␊ |
582 | bvr->part_type = part->systid;␊ |
583 | bvr->fs_loadfile = loadFunc;␊ |
584 | bvr->fs_readfile = readFunc;␊ |
585 | bvr->fs_getdirentry = getdirFunc;␊ |
586 | bvr->fs_getfileblock= getBlockFunc;␊ |
587 | bvr->fs_getuuid = getUUIDFunc;␊ |
588 | bvr->description = getDescriptionFunc;␊ |
589 | bvr->type = type;␊ |
590 | bvr->bv_free = bvFreeFunc;␊ |
591 | ␉␉␊ |
592 | if ((part->bootid & FDISK_ACTIVE) && (part->systid == FDISK_HFS))␊ |
593 | bvr->flags |= kBVFlagPrimary;␊ |
594 | ␉␉␊ |
595 | // Probe the filesystem.␊ |
596 | ␉␉␊ |
597 | if ( initFunc )␊ |
598 | {␊ |
599 | bvr->flags |= kBVFlagNativeBoot;␊ |
600 | ␉␉␉␊ |
601 | if ( probe && initFunc( bvr ) != 0 )␊ |
602 | {␊ |
603 | // filesystem probe failed.␊ |
604 | ␉␉␉␉␊ |
605 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
606 | __FUNCTION__, biosdev, partno));␊ |
607 | ␉␉␉␉␊ |
608 | (*bvr->bv_free)(bvr);␊ |
609 | bvr = NULL;␊ |
610 | }␊ |
611 | if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
612 | {␊ |
613 | ␉bvr->flags |= kBVFlagBootable;␊ |
614 | }␊ |
615 | }␊ |
616 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
617 | {␊ |
618 | bvr->flags |= kBVFlagForeignBoot;␊ |
619 | }␊ |
620 | else␊ |
621 | {␊ |
622 | (*bvr->bv_free)(bvr);␊ |
623 | bvr = NULL;␊ |
624 | }␊ |
625 | }␊ |
626 | if (bvr) bvr->flags |= bvrFlags;␊ |
627 | return bvr;␊ |
628 | }␊ |
629 | ␊ |
630 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
631 | //==========================================================================␊ |
632 | ␊ |
633 | BVRef newAPMBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
634 | ␉␉␉␉ const DPME * part,␊ |
635 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
636 | ␉␉␉␉ FSReadFile readFunc,␊ |
637 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
638 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
639 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
640 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
641 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
642 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
643 | {␊ |
644 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
645 | if ( bvr )␊ |
646 | {␊ |
647 | bzero(bvr, sizeof(*bvr));␊ |
648 | ␉␉␊ |
649 | bvr->biosdev = biosdev;␊ |
650 | bvr->part_no = partno;␊ |
651 | bvr->part_boff = blkoff;␊ |
652 | bvr->fs_loadfile = loadFunc;␊ |
653 | bvr->fs_readfile = readFunc;␊ |
654 | bvr->fs_getdirentry = getdirFunc;␊ |
655 | bvr->fs_getfileblock= getBlockFunc;␊ |
656 | bvr->fs_getuuid = getUUIDFunc;␊ |
657 | bvr->description = getDescriptionFunc;␊ |
658 | bvr->type = type;␊ |
659 | bvr->bv_free = bvFreeFunc;␊ |
660 | strlcpy(bvr->name, part->dpme_name, DPISTRLEN);␊ |
661 | strlcpy(bvr->type_name, part->dpme_type, DPISTRLEN);␊ |
662 | ␉␉␊ |
663 | /*␊ |
664 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
665 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
666 | ␉␉ */␊ |
667 | ␉␉␊ |
668 | // Probe the filesystem.␊ |
669 | ␉␉␊ |
670 | if ( initFunc )␊ |
671 | {␊ |
672 | bvr->flags |= kBVFlagNativeBoot | kBVFlagBootable | kBVFlagSystemVolume;␊ |
673 | ␉␉␉␊ |
674 | if ( probe && initFunc( bvr ) != 0 )␊ |
675 | {␊ |
676 | // filesystem probe failed.␊ |
677 | ␉␉␉␉␊ |
678 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
679 | __FUNCTION__, biosdev, partno));␊ |
680 | ␉␉␉␉␊ |
681 | (*bvr->bv_free)(bvr);␊ |
682 | bvr = NULL;␊ |
683 | }␊ |
684 | }␊ |
685 | /*␊ |
686 | ␉␉ else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
687 | ␉␉ {␊ |
688 | ␉␉ bvr->flags |= kBVFlagForeignBoot;␊ |
689 | ␉␉ }␊ |
690 | ␉␉ */␊ |
691 | else␊ |
692 | {␊ |
693 | (*bvr->bv_free)(bvr);␊ |
694 | bvr = NULL;␊ |
695 | }␊ |
696 | }␊ |
697 | if (bvr) bvr->flags |= bvrFlags;␊ |
698 | return bvr;␊ |
699 | }␊ |
700 | #endif␊ |
701 | //==========================================================================␊ |
702 | ␊ |
703 | // HFS+ GUID in LE form␊ |
704 | EFI_GUID const GPT_HFS_GUID␉= { 0x48465300, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
705 | // turbo - also our booter partition␊ |
706 | EFI_GUID const GPT_BOOT_GUID␉= { 0x426F6F74, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
707 | // turbo - or an efi system partition␊ |
708 | EFI_GUID const GPT_EFISYS_GUID␉= { 0xC12A7328, 0xF81F, 0x11D2, { 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } };␊ |
709 | // zef - basic data partition EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 for foreign OS support␊ |
710 | EFI_GUID const GPT_BASICDATA_GUID = { 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } };␊ |
711 | EFI_GUID const GPT_BASICDATA2_GUID = { 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } };␊ |
712 | ␊ |
713 | ␊ |
714 | BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
715 | ␉␉␉␉ const gpt_ent * part,␊ |
716 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
717 | ␉␉␉␉ FSReadFile readFunc,␊ |
718 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
719 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
720 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
721 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
722 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
723 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
724 | {␊ |
725 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
726 | if ( bvr )␊ |
727 | {␊ |
728 | bzero(bvr, sizeof(*bvr));␊ |
729 | ␉␉␊ |
730 | bvr->biosdev = biosdev;␊ |
731 | bvr->part_no = partno;␊ |
732 | bvr->part_boff = blkoff;␊ |
733 | bvr->fs_loadfile = loadFunc;␊ |
734 | bvr->fs_readfile = readFunc;␊ |
735 | bvr->fs_getdirentry = getdirFunc;␊ |
736 | bvr->fs_getfileblock= getBlockFunc;␊ |
737 | bvr->fs_getuuid = getUUIDFunc;␊ |
738 | bvr->description = getDescriptionFunc;␊ |
739 | ␉bvr->type = type;␊ |
740 | bvr->bv_free = bvFreeFunc;␊ |
741 | // FIXME: UCS-2 -> UTF-8 the name␊ |
742 | strlcpy(bvr->name, "----", DPISTRLEN);␊ |
743 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)part->ent_type) == 0) ||␊ |
744 | ␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)part->ent_type) == 0) )␊ |
745 | ␉␉␉strlcpy(bvr->type_name, "GPT HFS+", DPISTRLEN);␊ |
746 | else␊ |
747 | ␉␉␉strlcpy(bvr->type_name, "GPT Unknown", DPISTRLEN);␊ |
748 | ␉␉␊ |
749 | /*␊ |
750 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
751 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
752 | ␉␉ */␊ |
753 | ␉␉␊ |
754 | // Probe the filesystem.␊ |
755 | ␉␉␊ |
756 | if ( initFunc )␊ |
757 | {␊ |
758 | bvr->flags |= kBVFlagNativeBoot;␊ |
759 | ␉␉␉␊ |
760 | if ( probe && initFunc( bvr ) != 0 )␊ |
761 | {␊ |
762 | // filesystem probe failed.␊ |
763 | ␉␉␉␉␊ |
764 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
765 | __FUNCTION__, biosdev, partno));␊ |
766 | ␉␉␉␉␊ |
767 | (*bvr->bv_free)(bvr);␊ |
768 | bvr = NULL;␊ |
769 | }␊ |
770 | if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
771 | {␊ |
772 | ␉bvr->flags |= kBVFlagBootable;␊ |
773 | }␊ |
774 | }␊ |
775 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
776 | {␊ |
777 | bvr->flags |= kBVFlagForeignBoot;␊ |
778 | }␊ |
779 | else␊ |
780 | {␊ |
781 | (*bvr->bv_free)(bvr);␊ |
782 | bvr = NULL;␊ |
783 | }␊ |
784 | }␊ |
785 | if (bvr) bvr->flags |= bvrFlags;␊ |
786 | return bvr;␊ |
787 | }␊ |
788 | ␊ |
789 | //==========================================================================␊ |
790 | ␊ |
791 | /* A note on partition numbers:␊ |
792 | * IOKit makes the primary partitions numbers 1-4, and then␊ |
793 | * extended partitions are numbered consecutively 5 and up.␊ |
794 | * So, for example, if you have two primary partitions and␊ |
795 | * one extended partition they will be numbered 1, 2, 5.␊ |
796 | */␊ |
797 | ␊ |
798 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr )␊ |
799 | {␊ |
800 | const struct fdisk_part * part;␊ |
801 | struct DiskBVMap * map;␊ |
802 | int partno = -1;␊ |
803 | BVRef bvr;␊ |
804 | #ifdef UFS_SUPPORT␊ |
805 | BVRef booterUFS = NULL;␊ |
806 | int spc;␊ |
807 | struct driveInfo di;␊ |
808 | boot_drive_info_t *dp;␊ |
809 | ␉␊ |
810 | /* Initialize disk info */␊ |
811 | if (getDriveInfo(biosdev, &di) != 0) {␊ |
812 | ␉␉return NULL;␊ |
813 | }␊ |
814 | dp = &di.di;␊ |
815 | spc = (dp->params.phys_spt * dp->params.phys_heads);␊ |
816 | if (spc == 0) {␊ |
817 | ␉␉/* This is probably a CD-ROM; punt on the geometry. */␊ |
818 | ␉␉spc = 1;␊ |
819 | }␊ |
820 | #endif␊ |
821 | ␉␊ |
822 | do {␊ |
823 | // Create a new mapping.␊ |
824 | ␉␉␊ |
825 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
826 | if ( map )␊ |
827 | {␊ |
828 | map->biosdev = biosdev;␊ |
829 | map->bvr = NULL;␊ |
830 | map->bvrcnt = 0;␊ |
831 | map->next = gDiskBVMap;␊ |
832 | gDiskBVMap = map;␊ |
833 | ␉␉␉␊ |
834 | // Create a record for each partition found on the disk.␊ |
835 | ␉␉␉␊ |
836 | while ( getNextFDiskPartition( biosdev, &partno, &part ) )␊ |
837 | {␊ |
838 | DEBUG_DISK(("%s: part %d [%x]\n", __FUNCTION__,␊ |
839 | partno, part->systid));␊ |
840 | bvr = 0;␊ |
841 | ␉␉␉␉␊ |
842 | switch ( part->systid )␊ |
843 | {␊ |
844 | #ifdef UFS_SUPPORT␊ |
845 | case FDISK_UFS:␊ |
846 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
847 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
848 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect + UFS_FRONT_PORCH/BPS,␊ |
849 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
850 | ␉␉␉␉␉␉␉␉␉␉␉UFSInitPartition,␊ |
851 | ␉␉␉␉␉␉␉␉␉␉␉UFSLoadFile,␊ |
852 | ␉␉␉␉␉␉␉␉␉␉␉UFSReadFile,␊ |
853 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetDirEntry,␊ |
854 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetFileBlock,␊ |
855 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetUUID,␊ |
856 | ␉␉␉␉␉␉␉␉␉␉␉UFSGetDescription,␊ |
857 | ␉␉␉␉␉␉␉␉␉␉␉UFSFree,␊ |
858 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
859 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
860 | break;␊ |
861 | #endif␊ |
862 | ␉␉␉␉␉␉␊ |
863 | case FDISK_HFS:␊ |
864 | bvr = newFDiskBVRef(␊ |
865 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
866 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
867 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
868 | ␉␉␉␉␉␉␉␉␉␉␉HFSInitPartition,␊ |
869 | ␉␉␉␉␉␉␉␉␉␉␉HFSLoadFile,␊ |
870 | ␉␉␉␉␉␉␉␉␉␉␉HFSReadFile,␊ |
871 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
872 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetFileBlock,␊ |
873 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetUUID,␊ |
874 | ␉␉␉␉␉␉␉␉␉␉␉HFSGetDescription,␊ |
875 | ␉␉␉␉␉␉␉␉␉␉␉HFSFree,␊ |
876 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
877 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
878 | break;␊ |
879 | ␉␉␉␉␉␉␊ |
880 | ␉␉␉␉␉␉// turbo - we want the booter type scanned also␊ |
881 | case FDISK_BOOTER:␊ |
882 | if (part->bootid & FDISK_ACTIVE) {␊ |
883 | ␉␉␉␉␉␉␉gBIOSBootVolume = newFDiskBVRef(␊ |
884 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
885 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
886 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉part,␊ |
887 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSInitPartition,␊ |
888 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSLoadFile,␊ |
889 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSReadFile,␊ |
890 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetDirEntry,␊ |
891 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetFileBlock,␊ |
892 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetUUID,␊ |
893 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSGetDescription,␊ |
894 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉HFSFree,␊ |
895 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉0,␊ |
896 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
897 | ␉␉␉␉␉␉␉break;␊ |
898 | ␉␉␉␉␉␉}␊ |
899 | #ifndef UFS_SUPPORT␉␉␉␉␉␉␊ |
900 | break;␊ |
901 | #else␉␉␉␉␉␉␊ |
902 | ␊ |
903 | //case FDISK_BOOTER:␊ |
904 | booterUFS = newFDiskBVRef(␊ |
905 | ␉␉␉␉␉␉␉␉␉␉␉␉ biosdev, partno,␊ |
906 | ␉␉␉␉␉␉␉␉␉␉␉␉ ((part->relsect + spc - 1) / spc) * spc,␊ |
907 | ␉␉␉␉␉␉␉␉␉␉␉␉ part,␊ |
908 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSInitPartition,␊ |
909 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSLoadFile,␊ |
910 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSReadFile,␊ |
911 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetDirEntry,␊ |
912 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetFileBlock,␊ |
913 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetUUID,␊ |
914 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSGetDescription,␊ |
915 | ␉␉␉␉␉␉␉␉␉␉␉␉ UFSFree,␊ |
916 | ␉␉␉␉␉␉␉␉␉␉␉␉ 0,␊ |
917 | ␉␉␉␉␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, 0);␊ |
918 | break;␊ |
919 | #endif␊ |
920 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
921 | case FDISK_FAT32:␊ |
922 | case FDISK_DOS12:␊ |
923 | case FDISK_DOS16S:␊ |
924 | case FDISK_DOS16B:␊ |
925 | case FDISK_SMALLFAT32:␊ |
926 | case FDISK_DOS16SLBA:␊ |
927 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
928 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
929 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
930 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
931 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSInitPartition,␊ |
932 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSLoadFile,␊ |
933 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSReadFile,␊ |
934 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetDirEntry,␊ |
935 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetFileBlock,␊ |
936 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetUUID,␊ |
937 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSGetDescription,␊ |
938 | ␉␉␉␉␉␉␉␉␉␉␉MSDOSFree,␊ |
939 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
940 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
941 | ␉␉␉␉␉␉break;␊ |
942 | case FDISK_NTFS:␊ |
943 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
944 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
945 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
946 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
947 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0,␊ |
948 | ␉␉␉␉␉␉␉␉␉␉␉NTFSGetUUID,␊ |
949 | ␉␉␉␉␉␉␉␉␉␉␉NTFSGetDescription,␊ |
950 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
951 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
952 | ␉␉␉␉␉␉break;␊ |
953 | #endif␊ |
954 | ␊ |
955 | #ifndef NO_LINUX_SUPPORT␊ |
956 | ␉␉␉␉␉␉␊ |
957 | case FDISK_LINUX:␊ |
958 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
959 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
960 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
961 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
962 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
963 | ␉␉␉␉␉␉␉␉␉␉␉EX2GetDescription,␊ |
964 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
965 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
966 | ␉␉␉␉␉␉break;␊ |
967 | #endif␊ |
968 | #ifndef NO_HAIKU_SUPPORT␉␉␉␉␉␉␊ |
969 | ␉␉␉␉␉case FDISK_BEFS:␊ |
970 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
971 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
972 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
973 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
974 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
975 | ␉␉␉␉␉␉␉␉␉␉␉BeFSGetDescription,␊ |
976 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
977 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
978 | ␉␉␉␉␉␉break;␊ |
979 | #endif␊ |
980 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
981 | ␉␉␉␉␉case FDISK_FREEBSD:␊ |
982 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
983 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
984 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
985 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
986 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
987 | ␉␉␉␉␉␉␉␉␉␉␉FreeBSDGetDescription,␊ |
988 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
989 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
990 | ␉␉␉␉␉␉break;␊ |
991 | ␉␉␉␉␉␉␊ |
992 | case FDISK_OPENBSD:␊ |
993 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
994 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
995 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
996 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
997 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0,␊ |
998 | ␉␉␉␉␉␉␉␉␉␉␉OpenBSDGetDescription,␊ |
999 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
1000 | ␉␉␉␉␉␉␉␉␉␉␉0, kBIOSDevTypeHardDrive, 0);␊ |
1001 | ␉␉␉␉␉␉break;␊ |
1002 | #endif␊ |
1003 | default:␊ |
1004 | #if UNUSED␊ |
1005 | ␉␉␉␉␉␉bvr = newFDiskBVRef(␊ |
1006 | ␉␉␉␉␉␉␉␉␉␉␉biosdev, partno,␊ |
1007 | ␉␉␉␉␉␉␉␉␉␉␉part->relsect,␊ |
1008 | ␉␉␉␉␉␉␉␉␉␉␉part,␊ |
1009 | ␉␉␉␉␉␉␉␉␉␉␉0, 0, 0, 0, 0, 0, 0,␊ |
1010 | ␉␉␉␉␉␉␉␉␉␉␉(BVFree)free,␊ |
1011 | ␉␉␉␉␉␉␉␉␉␉␉0,␊ |
1012 | ␉␉␉␉␉␉␉␉␉␉␉kBIOSDevTypeHardDrive, 0);␊ |
1013 | #endif␊ |
1014 | ␉␉␉␉␉␉break;␊ |
1015 | }␊ |
1016 | ␉␉␉␉␊ |
1017 | if ( bvr )␊ |
1018 | {␊ |
1019 | bvr->next = map->bvr;␊ |
1020 | map->bvr = bvr;␊ |
1021 | map->bvrcnt++;␊ |
1022 | }␊ |
1023 | }␊ |
1024 | ␉␉␉␊ |
1025 | #ifdef UFS_SUPPORT␊ |
1026 | // Booting from a CD with an UFS filesystem embedded␊ |
1027 | // in a booter partition.␊ |
1028 | ␉␉␉␊ |
1029 | if ( booterUFS )␊ |
1030 | {␊ |
1031 | if ( map->bvrcnt == 0 )␊ |
1032 | {␊ |
1033 | map->bvr = booterUFS;␊ |
1034 | map->bvrcnt++;␊ |
1035 | }␊ |
1036 | else free( booterUFS );␊ |
1037 | }␊ |
1038 | #endif␊ |
1039 | }␊ |
1040 | } while (0);␊ |
1041 | ␉␊ |
1042 | /*␊ |
1043 | * If no FDisk partition, then we will check for␊ |
1044 | * an Apple partition map elsewhere.␊ |
1045 | */␊ |
1046 | #if UNUSED␊ |
1047 | if (map->bvrcnt == 0) {␊ |
1048 | ␉␉static struct fdisk_part cdpart;␊ |
1049 | ␉␉cdpart.systid = 0xCD;␊ |
1050 | ␉␉␊ |
1051 | ␉␉/* Let's try assuming we are on a hybrid HFS/ISO9660 CD. */␊ |
1052 | ␉␉bvr = newFDiskBVRef(␊ |
1053 | biosdev, 0,␊ |
1054 | 0,␊ |
1055 | &cdpart,␊ |
1056 | HFSInitPartition,␊ |
1057 | HFSLoadFile,␊ |
1058 | HFSReadFile,␊ |
1059 | HFSGetDirEntry,␊ |
1060 | HFSGetFileBlock,␊ |
1061 | HFSGetUUID,␊ |
1062 | HFSGetDescription,␊ |
1063 | HFSFree,␊ |
1064 | 0,␊ |
1065 | kBIOSDevTypeHardDrive, 0);␊ |
1066 | ␉␉bvr->next = map->bvr;␊ |
1067 | ␉␉map->bvr = bvr;␊ |
1068 | ␉␉map->bvrcnt++;␊ |
1069 | }␊ |
1070 | #endif␊ |
1071 | // Actually this should always be true given the above code␊ |
1072 | if(map == gDiskBVMap)␊ |
1073 | {␊ |
1074 | // Don't leave a null map in the chain␊ |
1075 | if(map->bvrcnt == 0 && map->bvr == NULL)␊ |
1076 | {␊ |
1077 | gDiskBVMap = map->next;␊ |
1078 | free(map);␊ |
1079 | map = NULL;␊ |
1080 | }␊ |
1081 | }␊ |
1082 | ␉␊ |
1083 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1084 | ␉␊ |
1085 | return map ? map->bvr : NULL;␊ |
1086 | }␊ |
1087 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1088 | //==========================================================================␊ |
1089 | ␊ |
1090 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr )␊ |
1091 | {␊ |
1092 | struct DiskBVMap * map;␊ |
1093 | struct Block0 *block0_p;␊ |
1094 | unsigned int blksize;␊ |
1095 | unsigned int factor;␊ |
1096 | void *buffer = malloc(BPS);␊ |
1097 | ␉␊ |
1098 | /* Check for alternate block size */␊ |
1099 | if (readBytes( biosdev, 0, 0, BPS, buffer ) != 0) {␊ |
1100 | return NULL;␊ |
1101 | }␊ |
1102 | block0_p = buffer;␊ |
1103 | if (OSSwapBigToHostInt16(block0_p->sbSig) == BLOCK0_SIGNATURE) {␊ |
1104 | blksize = OSSwapBigToHostInt16(block0_p->sbBlkSize);␊ |
1105 | if (blksize != BPS) {␊ |
1106 | free(buffer);␊ |
1107 | buffer = malloc(blksize);␊ |
1108 | }␊ |
1109 | factor = blksize / BPS;␊ |
1110 | } else {␊ |
1111 | blksize = BPS;␊ |
1112 | factor = 1;␊ |
1113 | }␊ |
1114 | ␊ |
1115 | do {␊ |
1116 | // Create a new mapping.␊ |
1117 | ␉␉␊ |
1118 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
1119 | if ( map )␊ |
1120 | {␊ |
1121 | int error;␊ |
1122 | DPME *dpme_p = (DPME *)buffer;␊ |
1123 | UInt32 i, npart = UINT_MAX;␊ |
1124 | BVRef bvr;␊ |
1125 | ␉␉␉␊ |
1126 | map->biosdev = biosdev;␊ |
1127 | map->bvr = NULL;␊ |
1128 | map->bvrcnt = 0;␊ |
1129 | map->next = gDiskBVMap;␊ |
1130 | gDiskBVMap = map;␊ |
1131 | ␉␉␉␊ |
1132 | for (i=0; i<npart; i++) {␊ |
1133 | error = readBytes( biosdev, (kAPMSector + i) * factor, 0, blksize, buffer );␊ |
1134 | ␉␉␉␉␊ |
1135 | if (error || OSSwapBigToHostInt16(dpme_p->dpme_signature) != DPME_SIGNATURE) {␊ |
1136 | break;␊ |
1137 | }␊ |
1138 | ␉␉␉␉␊ |
1139 | if (i==0) {␊ |
1140 | npart = OSSwapBigToHostInt32(dpme_p->dpme_map_entries);␊ |
1141 | }␊ |
1142 | /*␊ |
1143 | ␉␉␉␉ printf("name = %s, %s%s %d -> %d [%d -> %d] {%d}\n",␊ |
1144 | ␉␉␉␉ dpme.dpme_name, dpme.dpme_type, (dpme.dpme_flags & DPME_FLAGS_BOOTABLE) ? "(bootable)" : "",␊ |
1145 | ␉␉␉␉ dpme.dpme_pblock_start, dpme.dpme_pblocks,␊ |
1146 | ␉␉␉␉ dpme.dpme_lblock_start, dpme.dpme_lblocks,␊ |
1147 | ␉␉␉␉ dpme.dpme_boot_block);␊ |
1148 | ␉␉␉␉ */␊ |
1149 | ␉␉␉␉␊ |
1150 | if (strcmp(dpme_p->dpme_type, "Apple_HFS") == 0) {␊ |
1151 | bvr = newAPMBVRef(biosdev,␊ |
1152 | i,␊ |
1153 | OSSwapBigToHostInt32(dpme_p->dpme_pblock_start) * factor,␊ |
1154 | dpme_p,␊ |
1155 | HFSInitPartition,␊ |
1156 | HFSLoadFile,␊ |
1157 | HFSReadFile,␊ |
1158 | HFSGetDirEntry,␊ |
1159 | HFSGetFileBlock,␊ |
1160 | HFSGetUUID,␊ |
1161 | HFSGetDescription,␊ |
1162 | HFSFree,␊ |
1163 | 0,␊ |
1164 | kBIOSDevTypeHardDrive, 0);␊ |
1165 | bvr->next = map->bvr;␊ |
1166 | map->bvr = bvr;␊ |
1167 | map->bvrcnt++;␊ |
1168 | }␊ |
1169 | }␊ |
1170 | }␊ |
1171 | } while (0);␊ |
1172 | ␉␊ |
1173 | free(buffer);␊ |
1174 | ␉␊ |
1175 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1176 | ␉␊ |
1177 | return map ? map->bvr : NULL;␊ |
1178 | }␊ |
1179 | ␊ |
1180 | //==========================================================================␊ |
1181 | #endif ␊ |
1182 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1183 | ␊ |
1184 | /*␊ |
1185 | * Trying to figure out the filsystem type of a given partition.␊ |
1186 | */␊ |
1187 | static int probeFileSystem(int biosdev, unsigned int blkoff)␊ |
1188 | {␊ |
1189 | ␉// detected filesystem type;␊ |
1190 | ␉int result = -1;␊ |
1191 | #ifndef NO_WIN_SUPPORT␊ |
1192 | ␉int fatbits;␊ |
1193 | #endif␊ |
1194 | ␊ |
1195 | ␉// Allocating buffer for 4 sectors.␊ |
1196 | ␉const void * probeBuffer = malloc(PROBEFS_SIZE);␊ |
1197 | ␉if (probeBuffer == NULL)␊ |
1198 | ␉␉goto exit;␊ |
1199 | ␉␊ |
1200 | ␉// Reading first 4 sectors of current partition␊ |
1201 | ␉int error = readBytes(biosdev, blkoff, 0, PROBEFS_SIZE, (void *)probeBuffer);␊ |
1202 | ␉if (error)␊ |
1203 | ␉␉goto exit;␊ |
1204 | ␉␊ |
1205 | ␉if (HFSProbe(probeBuffer))␊ |
1206 | ␉␉result = FDISK_HFS;␊ |
1207 | #ifndef NO_LINUX_SUPPORT␊ |
1208 | ␉else if (EX2Probe(probeBuffer))␊ |
1209 | ␉␉result = FDISK_LINUX;␊ |
1210 | #endif␊ |
1211 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1212 | ␉else if (FreeBSDProbe(probeBuffer))␊ |
1213 | ␉␉result = FDISK_FREEBSD;␊ |
1214 | ␉else if (OpenBSDProbe(probeBuffer))␊ |
1215 | ␉␉result = FDISK_OPENBSD;␊ |
1216 | #endif␊ |
1217 | #ifndef NO_HAIKU_SUPPORT␊ |
1218 | ␉else if (BeFSProbe(probeBuffer))␊ |
1219 | ␉␉result = FDISK_BEFS;␊ |
1220 | #endif␊ |
1221 | #ifndef NO_WIN_SUPPORT␊ |
1222 | ␉else if (NTFSProbe(probeBuffer))␊ |
1223 | ␉␉result = FDISK_NTFS;␊ |
1224 | ␉else if ((fatbits=MSDOSProbe(probeBuffer)))␊ |
1225 | ␉{␊ |
1226 | ␉␉switch (fatbits)␊ |
1227 | ␉␉{␊ |
1228 | ␉␉␉case 32:␊ |
1229 | ␉␉␉default:␊ |
1230 | ␉␉␉␉result = FDISK_FAT32;␊ |
1231 | ␉␉␉␉break;␊ |
1232 | ␉␉␉case 16:␊ |
1233 | ␉␉␉␉result = FDISK_DOS16B;␊ |
1234 | ␉␉␉␉break;␊ |
1235 | ␉␉␉case 12:␊ |
1236 | ␉␉␉␉result = FDISK_DOS12;␊ |
1237 | ␉␉␉␉break;␉␉␉ ␊ |
1238 | ␉␉}␊ |
1239 | ␉}␊ |
1240 | #endif␊ |
1241 | ␉else␊ |
1242 | ␉␉// Couldn't detect filesystem type␊ |
1243 | ␉␉result = 0;␊ |
1244 | ␉␊ |
1245 | exit:␊ |
1246 | ␉if (probeBuffer != NULL) free((void *)probeBuffer);␊ |
1247 | ␉return result;␊ |
1248 | }␊ |
1249 | ␊ |
1250 | static bool isPartitionUsed(gpt_ent * partition)␊ |
1251 | {␊ |
1252 | //␊ |
1253 | // Ask whether the given partition is used.␊ |
1254 | //␊ |
1255 | ␉␊ |
1256 | return efi_guid_is_null((EFI_GUID const*)partition->ent_type) ? false : true;␊ |
1257 | }␊ |
1258 | ␊ |
1259 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1260 | ␊ |
1261 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr )␊ |
1262 | {␊ |
1263 | ␉if (biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) ␊ |
1264 | ␉␉return NULL;␊ |
1265 | ␉␊ |
1266 | struct DiskBVMap * map = NULL;␊ |
1267 | void *buffer = malloc(BPS);␊ |
1268 | int error;␉␊ |
1269 | if ( (error = readBytes( biosdev, /*secno*/0, 0, BPS, buffer )) != 0) {␊ |
1270 | DBG("Failed to read boot sector from BIOS device %02xh. Error=%d\n", biosdev, error);␊ |
1271 | goto scanErr;␊ |
1272 | }␊ |
1273 | struct REAL_disk_blk0 *fdiskMap = buffer;␊ |
1274 | if ( OSSwapLittleToHostInt16(fdiskMap->signature) != DISK_SIGNATURE )␊ |
1275 | {␊ |
1276 | verbose("Failed to find boot signature on BIOS device %02xh\n", biosdev);␊ |
1277 | goto scanErr;␊ |
1278 | }␊ |
1279 | ␉␊ |
1280 | int fdiskID = 0;␊ |
1281 | unsigned index;␊ |
1282 | for ( index = 0; index < FDISK_NPART; index++ )␊ |
1283 | {␊ |
1284 | if ( fdiskMap->parts[index].systid )␊ |
1285 | {␊ |
1286 | if ( fdiskMap->parts[index].systid == 0xEE )␊ |
1287 | {␊ |
1288 | // Fail if two 0xEE partitions are present which␊ |
1289 | // means the FDISK code will wind up parsing it.␊ |
1290 | if ( fdiskID ) goto scanErr;␊ |
1291 | ␉␉␉␉␊ |
1292 | fdiskID = index + 1;␊ |
1293 | }␊ |
1294 | }␊ |
1295 | }␊ |
1296 | ␉␊ |
1297 | if ( fdiskID == 0 ) goto scanErr;␊ |
1298 | DBG("Attempting to read GPT\n");␊ |
1299 | ␉␊ |
1300 | if(readBytes(biosdev, 1, 0, BPS, buffer) != 0)␊ |
1301 | goto scanErr;␊ |
1302 | ␊ |
1303 | gpt_hdr *headerMap = buffer;␊ |
1304 | ␉␊ |
1305 | // Determine whether the partition header signature is present.␊ |
1306 | ␉␊ |
1307 | if ( memcmp(headerMap->hdr_sig, GPT_HDR_SIG, strlen(GPT_HDR_SIG)) )␊ |
1308 | {␊ |
1309 | goto scanErr;␊ |
1310 | }␊ |
1311 | ␉␊ |
1312 | // Determine whether the partition header size is valid.␊ |
1313 | ␉␊ |
1314 | UInt32 headerCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_self);␊ |
1315 | UInt32 headerSize = OSSwapLittleToHostInt32(headerMap->hdr_size);␊ |
1316 | ␉␊ |
1317 | if ( headerSize < offsetof(gpt_hdr, padding) )␊ |
1318 | {␊ |
1319 | goto scanErr;␊ |
1320 | }␊ |
1321 | ␉␊ |
1322 | if ( headerSize > BPS )␊ |
1323 | {␊ |
1324 | goto scanErr;␊ |
1325 | }␊ |
1326 | ␉␊ |
1327 | // Determine whether the partition header checksum is valid.␊ |
1328 | ␉␊ |
1329 | headerMap->hdr_crc_self = 0;␊ |
1330 | ␉␊ |
1331 | if ( crc32(0, headerMap, headerSize) != headerCheck )␊ |
1332 | {␊ |
1333 | goto scanErr;␊ |
1334 | }␊ |
1335 | ␉␊ |
1336 | // Determine whether the partition entry size is valid.␊ |
1337 | ␉␊ |
1338 | UInt64 gptBlock = 0;␊ |
1339 | UInt32 gptCheck = 0;␊ |
1340 | UInt32 gptCount = 0;␊ |
1341 | UInt32 gptID = 0;␊ |
1342 | gpt_ent * gptMap = 0;␊ |
1343 | UInt32 gptSize = 0;␊ |
1344 | ␉␊ |
1345 | gptBlock = OSSwapLittleToHostInt64(headerMap->hdr_lba_table);␊ |
1346 | gptCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_table);␊ |
1347 | gptCount = OSSwapLittleToHostInt32(headerMap->hdr_entries);␊ |
1348 | gptSize = OSSwapLittleToHostInt32(headerMap->hdr_entsz);␊ |
1349 | ␉␊ |
1350 | if ( gptSize < sizeof(gpt_ent) )␊ |
1351 | {␊ |
1352 | goto scanErr;␊ |
1353 | }␊ |
1354 | ␉␊ |
1355 | // Allocate a buffer large enough to hold one map, rounded to a media block.␊ |
1356 | free(buffer);␊ |
1357 | buffer = NULL;␊ |
1358 | ␉␊ |
1359 | UInt32 bufferSize = IORound(gptCount * gptSize, BPS);␊ |
1360 | if(bufferSize == 0)␊ |
1361 | goto scanErr;␊ |
1362 | buffer = malloc(bufferSize);␊ |
1363 | ␉␊ |
1364 | if(readBytes(biosdev, gptBlock, 0, bufferSize, buffer) != 0)␊ |
1365 | goto scanErr;␊ |
1366 | ␉␊ |
1367 | DBG("Read GPT\n");␊ |
1368 | ␉␊ |
1369 | // Allocate a new map for this BIOS device and insert it into the chain␊ |
1370 | map = malloc(sizeof(*map));␊ |
1371 | map->biosdev = biosdev;␊ |
1372 | map->bvr = NULL;␊ |
1373 | map->bvrcnt = 0;␊ |
1374 | map->next = gDiskBVMap;␊ |
1375 | gDiskBVMap = map;␊ |
1376 | ␉␊ |
1377 | // fdisk like partition type id.␊ |
1378 | int fsType = 0;␊ |
1379 | ␊ |
1380 | for(gptID = 1; gptID <= gptCount; ++gptID)␊ |
1381 | {␊ |
1382 | ␉␉BVRef bvr = NULL;␊ |
1383 | ␉␉unsigned int bvrFlags = 0;␊ |
1384 | ␉␉␊ |
1385 | // size on disk can be larger than sizeof(gpt_ent)␊ |
1386 | gptMap = (gpt_ent *) ( buffer + ( (gptID - 1) * gptSize) );␊ |
1387 | ␉␉␊ |
1388 | // NOTE: EFI_GUID's are in LE and we know we're on an x86.␊ |
1389 | // The IOGUIDPartitionScheme.cpp code uses byte-based UUIDs, we don't.␊ |
1390 | ␉␉␊ |
1391 | if(isPartitionUsed(gptMap))␊ |
1392 | {␊ |
1393 | char stringuuid[100];␊ |
1394 | efi_guid_unparse_upper((EFI_GUID*)gptMap->ent_type, stringuuid);␊ |
1395 | verbose("Reading GPT partition %d, type %s\n", gptID, stringuuid);␊ |
1396 | ␉␉␉␊ |
1397 | // Getting fdisk like partition type.␊ |
1398 | fsType = probeFileSystem(biosdev, gptMap->ent_lba_start);␊ |
1399 | ␉␉␉␊ |
1400 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1401 | ␉␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1402 | {␊ |
1403 | #ifdef BOOT_HELPER_SUPPORT␊ |
1404 | bvrFlags = (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ? kBVFlagBooter : 0;␊ |
1405 | #else␊ |
1406 | ␉␉␉␉if (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ␊ |
1407 | ␉␉␉␉␉continue;␊ |
1408 | ␉␉␉␉else ␊ |
1409 | ␉␉␉␉␉bvrFlags = 0;␊ |
1410 | ␊ |
1411 | #endif␊ |
1412 | bvr = newGPTBVRef(biosdev,␊ |
1413 | ␉␉␉␉␉␉␉␉ gptID,␊ |
1414 | ␉␉␉␉␉␉␉␉ gptMap->ent_lba_start,␊ |
1415 | ␉␉␉␉␉␉␉␉ gptMap,␊ |
1416 | ␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1417 | ␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1418 | ␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1419 | ␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1420 | ␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1421 | ␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1422 | ␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1423 | ␉␉␉␉␉␉␉␉ HFSFree,␊ |
1424 | ␉␉␉␉␉␉␉␉ 0,␊ |
1425 | ␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, bvrFlags);␊ |
1426 | }␊ |
1427 | ␉␉␉␊ |
1428 | ␉␉␉// zef - foreign OS support␊ |
1429 | if ( (efi_guid_compare(&GPT_BASICDATA_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1430 | ␉␉␉␉(efi_guid_compare(&GPT_BASICDATA2_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1431 | {␊ |
1432 | ␉␉␉␉␊ |
1433 | ␉␉␉␉switch (fsType)␊ |
1434 | ␉␉␉␉{␊ |
1435 | #ifndef NO_WIN_SUPPORT␊ |
1436 | ␊ |
1437 | ␉␉␉␉␉case FDISK_NTFS:␊ |
1438 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1439 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, NTFSGetDescription,␊ |
1440 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1441 | ␉␉␉␉␉␉break;␊ |
1442 | #endif␊ |
1443 | ␉␉␉␉␉default:␊ |
1444 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1445 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, 0,␊ |
1446 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1447 | ␉␉␉␉␉␉break;␊ |
1448 | ␉␉␉␉}␊ |
1449 | ␉␉␉␉␊ |
1450 | }␊ |
1451 | ␉␉␉␊ |
1452 | // turbo - save our booter partition␊ |
1453 | // zef - only on original boot device␊ |
1454 | if ( (efi_guid_compare(&GPT_EFISYS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1455 | {␊ |
1456 | ␉␉␉␉switch (fsType)␊ |
1457 | ␉␉␉␉{␊ |
1458 | ␉␉␉␉␉case FDISK_HFS:␊ |
1459 | ␉␉␉␉␉␉if (readBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1460 | ␉␉␉␉␉␉{␊ |
1461 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1462 | ␉␉␉␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1463 | ␉␉␉␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1464 | ␉␉␉␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1465 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1466 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1467 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1468 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1469 | ␉␉␉␉␉␉␉␉␉␉␉ HFSFree,␊ |
1470 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1471 | ␉␉␉␉␉␉}␊ |
1472 | ␉␉␉␉␉␉break;␊ |
1473 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
1474 | ␉␉␉␉␉case FDISK_FAT32:␊ |
1475 | ␉␉␉␉␉␉if (testFAT32EFIBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1476 | ␉␉␉␉␉␉{␊ |
1477 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1478 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSInitPartition,␊ |
1479 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSLoadFile,␊ |
1480 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSReadFile,␊ |
1481 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDirEntry,␊ |
1482 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetFileBlock,␊ |
1483 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetUUID,␊ |
1484 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDescription,␊ |
1485 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSFree,␊ |
1486 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1487 | ␉␉␉␉␉␉}␊ |
1488 | ␉␉␉␉␉␉break;␊ |
1489 | #endif␊ |
1490 | ␉␉␉␉␉default:␉␉␉␉␉␉␊ |
1491 | ␉␉␉␉␉␉if (biosdev == gBIOSDev)␊ |
1492 | ␉␉␉␉␉␉␉gBIOSBootVolume = bvr;␊ |
1493 | ␉␉␉␉␉␉break;␊ |
1494 | ␉␉␉␉}␊ |
1495 | } ␊ |
1496 | ␉␉␉␊ |
1497 | ␉␉␉if (bvr)␊ |
1498 | ␉␉␉{␊ |
1499 | ␉␉␉␉// Fixup bvr with the fake fdisk partition type.␊ |
1500 | ␉␉␉␉if (fsType > 0) bvr->part_type = fsType;␊ |
1501 | ␉␉␉␉␊ |
1502 | ␉␉␉␉bvr->next = map->bvr;␊ |
1503 | ␉␉␉␉map->bvr = bvr;␊ |
1504 | ␉␉␉␉++map->bvrcnt;␊ |
1505 | ␉␉␉}␊ |
1506 | ␉␉␉␊ |
1507 | }␊ |
1508 | }␊ |
1509 | ␉␊ |
1510 | scanErr:␊ |
1511 | free(buffer);␊ |
1512 | ␉␊ |
1513 | if(map)␊ |
1514 | {␊ |
1515 | if(countPtr) *countPtr = map->bvrcnt;␊ |
1516 | return map->bvr;␊ |
1517 | }␊ |
1518 | else␊ |
1519 | {␊ |
1520 | if(countPtr) *countPtr = 0;␊ |
1521 | return NULL;␊ |
1522 | }␊ |
1523 | }␊ |
1524 | ␊ |
1525 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id )␊ |
1526 | {␊ |
1527 | ␉if(dict->type != kTagTypeArray) return 0;␊ |
1528 | ␉␊ |
1529 | ␉int element = 0;␊ |
1530 | ␉TagPtr tmp = dict->tag;␊ |
1531 | ␉int entry_count = XMLTagCount(dict);␊ |
1532 | ␉␊ |
1533 | ␉while(element < entry_count)␊ |
1534 | ␉{␊ |
1535 | ␉␉char *Identifier = NULL;␊ |
1536 | ␉␉Identifier = XMLCastString(XMLGetProperty(tmp, (const char*)"Identifier"));␊ |
1537 | ␉␉␊ |
1538 | ␉␉if (Identifier && (strcmp(Identifier, id) == 0))␊ |
1539 | ␉␉{␉␉␉␊ |
1540 | ␉␉␉return tmp;␊ |
1541 | ␉␉}␊ |
1542 | ␉␉␊ |
1543 | ␉␉element++;␊ |
1544 | ␉␉tmp = tmp->tagNext;␊ |
1545 | ␉}␊ |
1546 | ␉␊ |
1547 | ␉return tmp;␊ |
1548 | }␊ |
1549 | ␊ |
1550 | static bool getOSVersion(BVRef bvr, char *str)␊ |
1551 | {␊ |
1552 | ␉bool valid = false;␉␊ |
1553 | ␉config_file_t systemVersion;␊ |
1554 | ␉char dirSpec[512];␉␊ |
1555 | ␉␊ |
1556 | ␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/SystemVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1557 | ␉␊ |
1558 | ␉if (!loadConfigFile(dirSpec, &systemVersion))␊ |
1559 | ␉{␊ |
1560 | ␉␉valid = true;␊ |
1561 | ␉}␊ |
1562 | ␉else ␊ |
1563 | ␉{␊ |
1564 | ␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/ServerVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1565 | ␉␉␊ |
1566 | ␉␉if (!loadConfigFile(dirSpec, &systemVersion))␊ |
1567 | ␉␉{␉␊ |
1568 | bvr->OSisServer = true;␊ |
1569 | ␉␉␉valid = true;␊ |
1570 | ␉␉}␊ |
1571 | ␉␉else ␊ |
1572 | ␉␉{␊ |
1573 | ␉␉␉/* Much clean */␊ |
1574 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/Mac OS X Install Data/index.sproduct", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1575 | ␉␉␉␊ |
1576 | ␉␉␉if (!loadConfigFile(dirSpec, &systemVersion))␊ |
1577 | ␉␉␉{␊ |
1578 | ␉␉␉␉TagPtr pkg_p = XMLCastArray(XMLGetProperty(systemVersion.dictionary, (const char*)"Packages"));␊ |
1579 | ␉␉␉␉␊ |
1580 | ␉␉␉␉if (pkg_p)␊ |
1581 | ␉␉␉␉{␊ |
1582 | ␉␉␉␉␉␊ |
1583 | ␉␉␉␉␉char *version = NULL;␊ |
1584 | ␉␉␉␉␉␊ |
1585 | ␉␉␉␉␉version = XMLCastString(XMLGetProperty(␊ |
1586 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉ XMLGetElementWithID(pkg_p, ␊ |
1587 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉ "com.apple.mpkg.OSInstall"), ␊ |
1588 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉ (const char*)"Version"));␊ |
1589 | ␉␉␉␉␉␊ |
1590 | ␉␉␉␉␉if (version && strlen(version) >= 4) ␊ |
1591 | ␉␉␉␉␉{␊ |
1592 | ␉␉␉␉␉␉*str = '\0';␊ |
1593 | ␉␉␉␉␉␉strncat(str, version, 4);␊ |
1594 | ␉␉␉␉␉␉return true;␊ |
1595 | ␉␉␉␉␉␉␊ |
1596 | ␉␉␉␉␉}␉␉␉␉␉␉␊ |
1597 | ␉␉␉␉}␉␉␉␉␉␊ |
1598 | ␉␉␉}␉␊ |
1599 | ␉␉}␊ |
1600 | ␉}␊ |
1601 | ␉␊ |
1602 | ␉if (valid)␊ |
1603 | ␉{␉␉␊ |
1604 | ␉␉const char *val;␊ |
1605 | ␉␉int len;␊ |
1606 | ␉␉␊ |
1607 | ␉␉if (getValueForKey(kProductVersion, &val, &len, &systemVersion))␊ |
1608 | ␉␉{␊ |
1609 | ␉␉␉// getValueForKey uses const char for val␊ |
1610 | ␉␉␉// so copy it and trim␊ |
1611 | ␉␉␉*str = '\0';␊ |
1612 | ␉␉␉strncat(str, val, MIN(len, 4));␊ |
1613 | ␉␉}␊ |
1614 | ␉␉else␊ |
1615 | ␉␉␉valid = false;␊ |
1616 | ␉}␊ |
1617 | ␉␊ |
1618 | ␉return valid;␊ |
1619 | }␊ |
1620 | ␊ |
1621 | //==========================================================================␊ |
1622 | ␊ |
1623 | static void scanFSLevelBVRSettings(BVRef chain)␊ |
1624 | {␊ |
1625 | ␉BVRef bvr;␊ |
1626 | ␉int ret;␊ |
1627 | #ifdef BOOT_HELPER_SUPPORT␊ |
1628 | ␉char label[BVSTRLEN];␊ |
1629 | ␉int fh, fileSize, error;␊ |
1630 | #endif␊ |
1631 | ␉for (bvr = chain; bvr; bvr = bvr->next)␊ |
1632 | ␉{␊ |
1633 | ␉␉ret = -1;␊ |
1634 | #ifdef BOOT_HELPER_SUPPORT␊ |
1635 | ␉␉error = 0;␊ |
1636 | ␊ |
1637 | ␉␉//␊ |
1638 | ␉␉// Check for alternate volume label on boot helper partitions.␊ |
1639 | ␉␉//␊ |
1640 | ␉␉if (bvr->flags & kBVFlagBooter)␊ |
1641 | ␉␉{␊ |
1642 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1643 | ␉␉␉strcpy(fileSpec, ".disk_label.contentDetails");␊ |
1644 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1645 | ␉␉␉if (!ret)␊ |
1646 | ␉␉␉{␊ |
1647 | ␉␉␉␉fh = open(strcat(dirSpec, fileSpec));␊ |
1648 | ␉␉␉␉fileSize = file_size(fh);␊ |
1649 | ␉␉␉␉if (fileSize > 0 && fileSize < BVSTRLEN)␊ |
1650 | ␉␉␉␉{␊ |
1651 | ␉␉␉␉␉if (read(fh, label, fileSize) != fileSize)␊ |
1652 | ␉␉␉␉␉␉error = -1;␊ |
1653 | ␉␉␉␉}␊ |
1654 | ␉␉␉␉else␊ |
1655 | ␉␉␉␉␉error = -1;␊ |
1656 | ␉␉␉␉␊ |
1657 | ␉␉␉␉close(fh);␊ |
1658 | ␉␉␉␉␊ |
1659 | ␉␉␉␉if (!error)␊ |
1660 | ␉␉␉␉{␊ |
1661 | ␉␉␉␉␉label[fileSize] = '\0';␊ |
1662 | ␉␉␉␉␉strcpy(bvr->altlabel, label);␊ |
1663 | ␉␉␉␉}␊ |
1664 | ␉␉␉}␊ |
1665 | ␉␉}␊ |
1666 | #endif␊ |
1667 | ␉␉//␊ |
1668 | ␉␉// Check for SystemVersion.plist or ServerVersion.plist␊ |
1669 | ␉␉// to determine if a volume hosts an installed system.␊ |
1670 | ␉␉//␊ |
1671 | ␉␉if (bvr->flags & kBVFlagNativeBoot)␊ |
1672 | ␉␉{␊ |
1673 | ␉␉␉if (getOSVersion(bvr,bvr->OSVersion) == true)␊ |
1674 | ␉␉␉{␊ |
1675 | ␉␉␉␉bvr->flags |= kBVFlagSystemVolume;␊ |
1676 | ␉␉␉}␊ |
1677 | ␉␉}␊ |
1678 | ␉␉␊ |
1679 | ␉}␊ |
1680 | }␊ |
1681 | #ifndef OPTION_ROM␊ |
1682 | void rescanBIOSDevice(int biosdev)␊ |
1683 | {␊ |
1684 | ␉struct DiskBVMap *oldMap = diskResetBootVolumes(biosdev);␊ |
1685 | ␉CacheReset();␊ |
1686 | ␉diskFreeMap(oldMap);␊ |
1687 | ␉oldMap = NULL;␊ |
1688 | ␉scanBootVolumes(biosdev, 0);␊ |
1689 | }␊ |
1690 | #endif␊ |
1691 | ␊ |
1692 | struct DiskBVMap* diskResetBootVolumes(int biosdev)␊ |
1693 | {␊ |
1694 | struct DiskBVMap * map;␊ |
1695 | struct DiskBVMap *prevMap = NULL;␊ |
1696 | for ( map = gDiskBVMap; map; prevMap = map, map = map->next ) {␊ |
1697 | if ( biosdev == map->biosdev ) {␊ |
1698 | break;␊ |
1699 | }␊ |
1700 | }␊ |
1701 | if(map != NULL)␊ |
1702 | {␊ |
1703 | verbose("Resetting BIOS device %xh\n", biosdev);␊ |
1704 | // Reset the biosbuf cache␊ |
1705 | cache_valid = false;␊ |
1706 | if(map == gDiskBVMap)␊ |
1707 | gDiskBVMap = map->next;␊ |
1708 | else if(prevMap != NULL)␊ |
1709 | prevMap->next = map->next;␊ |
1710 | else␊ |
1711 | stop("");␊ |
1712 | }␊ |
1713 | // Return the old map, either to be freed, or reinserted later␊ |
1714 | return map;␊ |
1715 | }␊ |
1716 | ␊ |
1717 | // Frees a DiskBVMap and all of its BootVolume's␊ |
1718 | void diskFreeMap(struct DiskBVMap *map)␊ |
1719 | {␊ |
1720 | if(map != NULL)␊ |
1721 | {␊ |
1722 | while(map->bvr != NULL)␊ |
1723 | {␊ |
1724 | BVRef bvr = map->bvr;␊ |
1725 | map->bvr = bvr->next;␊ |
1726 | (*bvr->bv_free)(bvr);␊ |
1727 | }␊ |
1728 | free(map);␊ |
1729 | }␊ |
1730 | }␊ |
1731 | ␊ |
1732 | BVRef diskScanBootVolumes( int biosdev, int * countPtr )␊ |
1733 | {␊ |
1734 | struct DiskBVMap * map;␊ |
1735 | BVRef bvr;␊ |
1736 | int count = 0;␊ |
1737 | ␉␊ |
1738 | // Find an existing mapping for this device.␊ |
1739 | ␉␊ |
1740 | for ( map = gDiskBVMap; map; map = map->next ) {␊ |
1741 | if ( biosdev == map->biosdev ) {␊ |
1742 | count = map->bvrcnt;␊ |
1743 | break;␊ |
1744 | }␊ |
1745 | }␊ |
1746 | ␉␊ |
1747 | if (map == NULL) {␊ |
1748 | bvr = diskScanGPTBootVolumes(biosdev, &count);␊ |
1749 | if (bvr == NULL) {␊ |
1750 | ␉␉␉bvr = diskScanFDiskBootVolumes(biosdev, &count);␊ |
1751 | }␊ |
1752 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1753 | if (bvr == NULL) {␊ |
1754 | ␉␉␉bvr = diskScanAPMBootVolumes(biosdev, &count);␊ |
1755 | }␊ |
1756 | #endif␊ |
1757 | if (bvr)␊ |
1758 | {␊ |
1759 | ␉␉␉scanFSLevelBVRSettings(bvr);␊ |
1760 | }␊ |
1761 | } else {␊ |
1762 | bvr = map->bvr;␊ |
1763 | }␊ |
1764 | if (countPtr) *countPtr += count;␊ |
1765 | return bvr;␊ |
1766 | }␊ |
1767 | ␊ |
1768 | BVRef getBVChainForBIOSDev(int biosdev)␊ |
1769 | {␊ |
1770 | ␉BVRef chain = NULL;␊ |
1771 | ␉struct DiskBVMap * map = NULL;␊ |
1772 | ␉␊ |
1773 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1774 | ␉{␊ |
1775 | ␉␉if (map->biosdev == biosdev)␊ |
1776 | ␉␉{␊ |
1777 | ␉␉␉chain = map->bvr;␊ |
1778 | ␉␉␉break;␊ |
1779 | ␉␉}␊ |
1780 | ␉}␊ |
1781 | ␉␊ |
1782 | ␉return chain;␊ |
1783 | }␊ |
1784 | ␊ |
1785 | BVRef newFilteredBVChain(int minBIOSDev, int maxBIOSDev, unsigned int allowFlags, unsigned int denyFlags, int *count)␊ |
1786 | {␊ |
1787 | ␉BVRef chain = NULL;␊ |
1788 | ␉BVRef bvr = NULL;␊ |
1789 | ␉BVRef newBVR = NULL;␊ |
1790 | ␉BVRef prevBVR = NULL;␊ |
1791 | ␉␊ |
1792 | ␉struct DiskBVMap * map = NULL;␊ |
1793 | ␉int bvCount = 0;␊ |
1794 | ␉␊ |
1795 | ␉const char *raw = 0;␊ |
1796 | ␉char* val = 0;␊ |
1797 | ␉int len;␊ |
1798 | ␊ |
1799 | ␉getValueForKey(kHidePartition, &raw, &len, &bootInfo->bootConfig);␊ |
1800 | ␉if(raw)␊ |
1801 | ␉{␊ |
1802 | ␉␉val = XMLDecode(raw); ␊ |
1803 | ␉}␊ |
1804 | ␉␊ |
1805 | ␉/*␊ |
1806 | ␉ * Traverse gDISKBVmap to get references for␊ |
1807 | ␉ * individual bvr chains of each drive.␊ |
1808 | ␉ */␊ |
1809 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1810 | ␉{␊ |
1811 | ␉␉for (bvr = map->bvr; bvr; bvr = bvr->next)␊ |
1812 | ␉␉{␊ |
1813 | ␉␉␉/*␊ |
1814 | ␉␉␉ * Save the last bvr.␊ |
1815 | ␉␉␉ */␊ |
1816 | ␉␉␉if (newBVR) prevBVR = newBVR;␊ |
1817 | ␉␉␉␊ |
1818 | ␉␉␉/*␊ |
1819 | ␉␉␉ * Allocate and copy the matched bvr entry into a new one.␊ |
1820 | ␉␉␉ */␊ |
1821 | ␉␉␉newBVR = (BVRef) malloc(sizeof(*newBVR));␊ |
1822 | ␉␉␉bcopy(bvr, newBVR, sizeof(*newBVR));␊ |
1823 | ␉␉␉␊ |
1824 | ␉␉␉/*␊ |
1825 | ␉␉␉ * Adjust the new bvr's fields.␊ |
1826 | ␉␉␉ */␊ |
1827 | ␉␉␉newBVR->next = NULL;␊ |
1828 | ␉␉␉newBVR->filtered = true;␊ |
1829 | ␉␉␉␊ |
1830 | ␉␉␉if ( (!allowFlags || newBVR->flags & allowFlags)␊ |
1831 | ␉␉␉␉&& (!denyFlags || !(newBVR->flags & denyFlags) )␊ |
1832 | ␉␉␉␉&& (newBVR->biosdev >= minBIOSDev && newBVR->biosdev <= maxBIOSDev)␊ |
1833 | ␉␉␉␉)␊ |
1834 | ␉␉␉␉newBVR->visible = true;␊ |
1835 | ␉␉␉␊ |
1836 | ␉␉␉/* Looking for "Hide Partition" entries in 'hd(x,y)|uuid|"label" hd(m,n)|uuid|"label"' format␊ |
1837 | ␉␉␉ * to be able to hide foreign partitions from the boot menu.␊ |
1838 | ␉␉␉ */␊ |
1839 | ␉␉␉if ( (newBVR->flags & kBVFlagForeignBoot) )␊ |
1840 | ␉␉␉{␊ |
1841 | ␉␉␉␉char *start, *next = val;␊ |
1842 | ␉␉␉␉long len = 0; ␊ |
1843 | ␉␉␉␉do␊ |
1844 | ␉␉␉␉{␊ |
1845 | ␉␉␉␉␉start = strbreak(next, &next, &len);␊ |
1846 | ␉␉␉␉␉if(len && matchVolumeToString(newBVR, start, len) )␊ |
1847 | ␉␉␉␉␉␉newBVR->visible = false;␊ |
1848 | ␉␉␉␉}␊ |
1849 | ␉␉␉␉while ( next && *next );␊ |
1850 | ␉␉␉}␊ |
1851 | ␉␉␉␊ |
1852 | ␉␉␉/*␊ |
1853 | ␉␉␉ * Use the first bvr entry as the starting chain pointer.␊ |
1854 | ␉␉␉ */␊ |
1855 | ␉␉␉if (!chain)␊ |
1856 | ␉␉␉␉chain = newBVR;␊ |
1857 | ␉␉␉␊ |
1858 | ␉␉␉/*␊ |
1859 | ␉␉␉ * Update the previous bvr's link pointer to use the new memory area.␊ |
1860 | ␉␉␉ */␊ |
1861 | ␉␉␉if (prevBVR)␊ |
1862 | ␉␉␉␉prevBVR->next = newBVR;␊ |
1863 | ␉␉␉␊ |
1864 | ␉␉␉if (newBVR->visible)␊ |
1865 | ␉␉␉␉bvCount++;␊ |
1866 | ␉␉}␊ |
1867 | ␉}␊ |
1868 | ␉␊ |
1869 | #if DEBUG␊ |
1870 | ␉for (bvr = chain; bvr; bvr = bvr->next)␊ |
1871 | ␉{␊ |
1872 | ␉␉printf(" bvr: %d, dev: %d, part: %d, flags: %d, vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->visible);␊ |
1873 | ␉}␊ |
1874 | ␉printf("count: %d\n", bvCount);␊ |
1875 | ␉getc();␊ |
1876 | #endif␊ |
1877 | ␉␊ |
1878 | ␉*count = bvCount;␊ |
1879 | ␉␊ |
1880 | ␉free(val); ␊ |
1881 | ␉return chain;␊ |
1882 | }␊ |
1883 | ␊ |
1884 | int freeFilteredBVChain(const BVRef chain)␊ |
1885 | {␊ |
1886 | ␉int ret = 1;␊ |
1887 | ␉BVRef bvr = chain;␊ |
1888 | ␉BVRef nextBVR = NULL;␊ |
1889 | ␉␊ |
1890 | ␉while (bvr)␊ |
1891 | ␉{␊ |
1892 | ␉␉nextBVR = bvr->next;␊ |
1893 | ␉␉␊ |
1894 | ␉␉if (bvr->filtered)␊ |
1895 | ␉␉{␊ |
1896 | ␉␉␉free(bvr);␊ |
1897 | ␉␉}␊ |
1898 | ␉␉else␊ |
1899 | ␉␉{␊ |
1900 | ␉␉␉ret = 0;␊ |
1901 | ␉␉␉break;␊ |
1902 | ␉␉}␊ |
1903 | ␉␉␊ |
1904 | ␉␉bvr = nextBVR;␊ |
1905 | ␉}␊ |
1906 | ␉␊ |
1907 | ␉return ret;␊ |
1908 | }␊ |
1909 | ␊ |
1910 | //==========================================================================␊ |
1911 | ␊ |
1912 | static const struct NamedValue fdiskTypes[] =␊ |
1913 | {␊ |
1914 | #ifndef NO_WIN_SUPPORT␊ |
1915 | { FDISK_NTFS, "Windows NTFS" },␊ |
1916 | ␉{ FDISK_DOS12, "Windows FAT12" },␊ |
1917 | ␉{ FDISK_DOS16B, "Windows FAT16" },␊ |
1918 | ␉{ FDISK_DOS16S, "Windows FAT16" },␊ |
1919 | ␉{ FDISK_DOS16SLBA, "Windows FAT16" },␊ |
1920 | ␉{ FDISK_SMALLFAT32, "Windows FAT32" },␊ |
1921 | ␉{ FDISK_FAT32, "Windows FAT32" },␊ |
1922 | #endif␊ |
1923 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1924 | ␉{ FDISK_FREEBSD, "FreeBSD" },␊ |
1925 | { FDISK_OPENBSD, "OpenBSD" },␊ |
1926 | #endif␊ |
1927 | #ifndef NO_LINUX_SUPPORT␊ |
1928 | { FDISK_LINUX, "Linux" },␊ |
1929 | #endif␊ |
1930 | #ifdef UFS_SUPPORT␊ |
1931 | { FDISK_UFS, "Apple UFS" },␊ |
1932 | #endif␊ |
1933 | { FDISK_HFS, "Apple HFS" },␊ |
1934 | { FDISK_BOOTER, "Apple Boot/UFS" },␊ |
1935 | #ifndef NO_HAIKU_SUPPORT␊ |
1936 | ␉{ FDISK_BEFS, "Haiku" },␊ |
1937 | #endif␊ |
1938 | { 0xCD, "CD-ROM" },␊ |
1939 | { 0x00, 0 } /* must be last */␊ |
1940 | };␊ |
1941 | ␊ |
1942 | //==========================================================================␊ |
1943 | ␊ |
1944 | bool matchVolumeToString( BVRef bvr, const char* match, long matchLen)␊ |
1945 | {␊ |
1946 | ␉char testStr[128];␊ |
1947 | ␉␊ |
1948 | ␉if ( !bvr || !match || !*match)␊ |
1949 | ␉␉return 0;␊ |
1950 | ␉␊ |
1951 | ␉if ( bvr->biosdev < 0x80 || bvr->biosdev >= 0x100 )␊ |
1952 | return 0;␊ |
1953 | ␊ |
1954 | // Try to match hd(x,y) first.␊ |
1955 | sprintf(testStr, "hd(%d,%d)", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1956 | if ( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1957 | return true;␊ |
1958 | ␊ |
1959 | // Try to match volume UUID.␊ |
1960 | if ( bvr->fs_getuuid && bvr->fs_getuuid(bvr, testStr) == 0)␊ |
1961 | {␊ |
1962 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1963 | return true;␊ |
1964 | }␊ |
1965 | ␊ |
1966 | // Try to match volume label (always quoted).␊ |
1967 | if ( bvr->description )␊ |
1968 | {␊ |
1969 | bvr->description(bvr, testStr, sizeof(testStr)-1);␊ |
1970 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
1971 | return true;␊ |
1972 | }␊ |
1973 | ␊ |
1974 | return false;␊ |
1975 | }␊ |
1976 | ␊ |
1977 | /* If Rename Partition has defined an alias, then extract it for description purpose␊ |
1978 | * The format for the rename string is the following:␊ |
1979 | * hd(x,y)|uuid|"label" "alias";hd(m,n)|uuid|"label" etc; ...␊ |
1980 | */␊ |
1981 | ␊ |
1982 | bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen)␊ |
1983 | {␊ |
1984 | char *aliasList, *entryStart, *entryNext;␊ |
1985 | ␊ |
1986 | if ( !str || strMaxLen <= 0)␊ |
1987 | return false;␊ |
1988 | ␊ |
1989 | aliasList = XMLDecode(getStringForKey(kRenamePartition, &bootInfo->bootConfig));␊ |
1990 | if ( !aliasList )␊ |
1991 | return false;␊ |
1992 | ␊ |
1993 | for ( entryStart = entryNext = aliasList;␊ |
1994 | ␉␉ entryNext && *entryNext;␊ |
1995 | ␉␉ entryStart = entryNext )␊ |
1996 | {␊ |
1997 | char *volStart, *volEnd, *aliasStart;␊ |
1998 | long volLen, aliasLen;␊ |
1999 | ␊ |
2000 | // Delimit current entry␊ |
2001 | entryNext = strchr(entryStart, ';');␊ |
2002 | if ( entryNext )␊ |
2003 | {␊ |
2004 | *entryNext = '\0';␊ |
2005 | entryNext++;␊ |
2006 | }␊ |
2007 | ␊ |
2008 | volStart = strbreak(entryStart, &volEnd, &volLen);␊ |
2009 | if(!volLen)␊ |
2010 | continue;␊ |
2011 | ␊ |
2012 | aliasStart = strbreak(volEnd, 0, &aliasLen);␊ |
2013 | if(!aliasLen)␊ |
2014 | continue;␊ |
2015 | ␊ |
2016 | if ( matchVolumeToString(bvr, volStart, volLen) )␊ |
2017 | { ␊ |
2018 | strncat(str, aliasStart, min(strMaxLen, aliasLen));␊ |
2019 | free(aliasList);␊ |
2020 | ␉␉␉␊ |
2021 | return true;␊ |
2022 | }␊ |
2023 | }␊ |
2024 | ␊ |
2025 | free(aliasList);␊ |
2026 | return false;␊ |
2027 | }␊ |
2028 | ␊ |
2029 | void getBootVolumeDescription( BVRef bvr, char * str, long strMaxLen, bool useDeviceDescription )␊ |
2030 | {␊ |
2031 | unsigned char type;␊ |
2032 | char *p = str;␊ |
2033 | ␊ |
2034 | if(!bvr || !p || strMaxLen <= 0)␊ |
2035 | return;␊ |
2036 | ␊ |
2037 | type = (unsigned char) bvr->part_type;␊ |
2038 | ␉␊ |
2039 | if (useDeviceDescription)␊ |
2040 | {␊ |
2041 | int len = getDeviceDescription(bvr, str);␊ |
2042 | if(len >= strMaxLen)␊ |
2043 | return;␊ |
2044 | ␊ |
2045 | strcpy(str + len, " ");␊ |
2046 | len++;␊ |
2047 | strMaxLen -= len;␊ |
2048 | p += len;␊ |
2049 | }␊ |
2050 | ␉␊ |
2051 | /* See if a partition rename is preferred */␊ |
2052 | if(getVolumeLabelAlias(bvr, p, strMaxLen)) {␊ |
2053 | strncpy(bvr->label, p, strMaxLen); ␊ |
2054 | return; // we're done here no need to seek for real name␊ |
2055 | }␊ |
2056 | ␉␊ |
2057 | //␊ |
2058 | // Get the volume label using filesystem specific functions␊ |
2059 | // or use the alternate volume label if available.␊ |
2060 | //␊ |
2061 | ␉if (*bvr->altlabel != '\0')␊ |
2062 | strncpy(p, bvr->altlabel, strMaxLen);␊ |
2063 | ␉else if (bvr->description)␊ |
2064 | bvr->description(bvr, p, strMaxLen);␊ |
2065 | ␉␊ |
2066 | if (*p == '\0') {␊ |
2067 | const char * name = getNameForValue( fdiskTypes, type );␊ |
2068 | if (name == NULL) {␊ |
2069 | name = bvr->type_name;␊ |
2070 | }␊ |
2071 | if (name == NULL) {␊ |
2072 | sprintf(p, "TYPE %02x", type);␊ |
2073 | } else {␊ |
2074 | strncpy(p, name, strMaxLen);␊ |
2075 | }␊ |
2076 | }␊ |
2077 | ␊ |
2078 | // Set the devices label␊ |
2079 | sprintf(bvr->label, p);␊ |
2080 | }␊ |
2081 | ␊ |
2082 | //==========================================================================␊ |
2083 | int readBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2084 | {␊ |
2085 | struct disk_blk0 * bootSector = (struct disk_blk0 *) buffer;␊ |
2086 | int error;␊ |
2087 | ␉␊ |
2088 | if ( bootSector == NULL )␊ |
2089 | {␊ |
2090 | if ( gBootSector == NULL )␊ |
2091 | {␊ |
2092 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2093 | if ( gBootSector == NULL ) return -1;␊ |
2094 | }␊ |
2095 | bootSector = gBootSector;␊ |
2096 | }␊ |
2097 | ␉␊ |
2098 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2099 | if ( error || bootSector->signature != DISK_SIGNATURE )␊ |
2100 | return -1;␊ |
2101 | ␉␊ |
2102 | return 0;␊ |
2103 | }␊ |
2104 | ␊ |
2105 | #ifndef NO_WIN_SUPPORT␊ |
2106 | /*␊ |
2107 | * Format of boot1f32 block.␊ |
2108 | */␊ |
2109 | ␊ |
2110 | #define BOOT1F32_MAGIC "BOOT "␊ |
2111 | #define BOOT1F32_MAGICLEN 11␊ |
2112 | ␊ |
2113 | struct disk_boot1f32_blk {␊ |
2114 | unsigned char init[3];␊ |
2115 | unsigned char fsheader[87];␊ |
2116 | unsigned char magic[BOOT1F32_MAGICLEN];␊ |
2117 | unsigned char bootcode[409];␊ |
2118 | unsigned short signature;␊ |
2119 | };␊ |
2120 | ␊ |
2121 | int testFAT32EFIBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2122 | {␊ |
2123 | struct disk_boot1f32_blk * bootSector = (struct disk_boot1f32_blk *) buffer;␊ |
2124 | int error;␊ |
2125 | ␉␊ |
2126 | if ( bootSector == NULL )␊ |
2127 | {␊ |
2128 | if ( gBootSector == NULL )␊ |
2129 | {␊ |
2130 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2131 | if ( gBootSector == NULL ) return -1;␊ |
2132 | }␊ |
2133 | bootSector = (struct disk_boot1f32_blk *) gBootSector;␊ |
2134 | }␊ |
2135 | ␉␊ |
2136 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2137 | if ( error || bootSector->signature != DISK_SIGNATURE␊ |
2138 | ␉␉|| strncmp((const char *)bootSector->magic, BOOT1F32_MAGIC, BOOT1F32_MAGICLEN) )␊ |
2139 | ␉␉return -1;␊ |
2140 | ␉␊ |
2141 | return 0;␊ |
2142 | }␊ |
2143 | #endif␊ |
2144 | //==========================================================================␊ |
2145 | // Handle seek request from filesystem modules.␊ |
2146 | ␊ |
2147 | void diskSeek( BVRef bvr, long long position )␊ |
2148 | {␊ |
2149 | bvr->fs_boff = position / BPS;␊ |
2150 | bvr->fs_byteoff = position % BPS;␊ |
2151 | }␊ |
2152 | ␊ |
2153 | //==========================================================================␊ |
2154 | // Handle read request from filesystem modules.␊ |
2155 | ␊ |
2156 | int diskRead( BVRef bvr, long addr, long length )␊ |
2157 | {␊ |
2158 | return readBytes( bvr->biosdev,␊ |
2159 | ␉␉␉␉␉ bvr->fs_boff + bvr->part_boff,␊ |
2160 | ␉␉␉␉␉ bvr->fs_byteoff,␊ |
2161 | ␉␉␉␉␉ length,␊ |
2162 | ␉␉␉␉␉ (void *) addr );␊ |
2163 | }␊ |
2164 | ␊ |
2165 | #if UNUSED␊ |
2166 | int rawDiskRead( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2167 | {␊ |
2168 | int secs;␊ |
2169 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2170 | unsigned int copy_len;␊ |
2171 | int rc;␊ |
2172 | ␉␊ |
2173 | if ((len & (BPS-1)) != 0) {␊ |
2174 | printf("raw disk read not sector aligned");␊ |
2175 | return -1;␊ |
2176 | }␊ |
2177 | secno += bvr->part_boff;␊ |
2178 | ␉␊ |
2179 | cache_valid = false;␊ |
2180 | ␉␊ |
2181 | while (len > 0) {␊ |
2182 | secs = len / BPS;␊ |
2183 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2184 | copy_len = secs * BPS;␊ |
2185 | ␉␉␊ |
2186 | //printf("rdr: ebiosread(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2187 | if ((rc = ebiosread(bvr->biosdev, secno, secs)) != 0) {␊ |
2188 | /* Ignore corrected ECC errors */␊ |
2189 | if (rc != ECC_CORRECTED_ERR) {␊ |
2190 | printf(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
2191 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2192 | return rc;␊ |
2193 | }␊ |
2194 | }␊ |
2195 | bcopy( trackbuf, cbuf, copy_len );␊ |
2196 | len -= copy_len;␊ |
2197 | cbuf += copy_len;␊ |
2198 | secno += secs;␊ |
2199 | #if TEXT_SPINNER␊ |
2200 | ␉␉spinActivityIndicator(secs);␊ |
2201 | #endif␊ |
2202 | }␊ |
2203 | ␉␊ |
2204 | return 0;␊ |
2205 | }␊ |
2206 | ␊ |
2207 | int rawDiskWrite( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2208 | {␊ |
2209 | int secs;␊ |
2210 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2211 | unsigned int copy_len;␊ |
2212 | int rc;␊ |
2213 | ␉␊ |
2214 | if ((len & (BPS-1)) != 0) {␊ |
2215 | printf("raw disk write not sector aligned");␊ |
2216 | return -1;␊ |
2217 | }␊ |
2218 | secno += bvr->part_boff;␊ |
2219 | ␉␊ |
2220 | cache_valid = false;␊ |
2221 | ␉␊ |
2222 | while (len > 0) {␊ |
2223 | secs = len / BPS;␊ |
2224 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2225 | copy_len = secs * BPS;␊ |
2226 | ␉␉␊ |
2227 | bcopy( cbuf, trackbuf, copy_len );␊ |
2228 | //printf("rdr: ebioswrite(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2229 | if ((rc = ebioswrite(bvr->biosdev, secno, secs)) != 0) {␊ |
2230 | printf(" EBIOS write error: %s\n", bios_error(rc), rc);␊ |
2231 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2232 | return rc;␊ |
2233 | }␊ |
2234 | len -= copy_len;␊ |
2235 | cbuf += copy_len;␊ |
2236 | secno += secs;␊ |
2237 | #if TEXT_SPINNER␊ |
2238 | ␉␉spinActivityIndicator(secs);␊ |
2239 | #endif␊ |
2240 | }␊ |
2241 | ␉␊ |
2242 | return 0;␊ |
2243 | }␊ |
2244 | #endif␊ |
2245 | ␊ |
2246 | int diskIsCDROM(BVRef bvr)␊ |
2247 | {␊ |
2248 | struct driveInfo di;␊ |
2249 | ␉␊ |
2250 | if (getDriveInfo(bvr->biosdev, &di) == 0 && di.no_emulation) {␊ |
2251 | ␉␉return 1;␊ |
2252 | }␊ |
2253 | return 0;␊ |
2254 | }␊ |
2255 | ␊ |
2256 | int biosDevIsCDROM(int biosdev)␊ |
2257 | {␊ |
2258 | struct driveInfo di;␊ |
2259 | ␉␊ |
2260 | if (getDriveInfo(biosdev, &di) == 0 && di.no_emulation)␊ |
2261 | {␊ |
2262 | ␉return 1;␊ |
2263 | }␊ |
2264 | return 0;␊ |
2265 | }␊ |
2266 | |