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 "bootstruct.h"␊ |
56 | #include "platform.h"␊ |
57 | #include "sl.h"␊ |
58 | #include "convert.h"␊ |
59 | ␊ |
60 | #include "fdisk.h"␊ |
61 | #ifdef UFS_SUPPORT␊ |
62 | #include "ufs.h"␊ |
63 | #define UFS_FRONT_PORCH 0␊ |
64 | #endif␊ |
65 | #include "hfs.h"␊ |
66 | #ifndef NO_WIN_SUPPORT␊ |
67 | #include "ntfs.h"␊ |
68 | #include "msdos.h"␊ |
69 | #endif␊ |
70 | #ifndef NO_LINUX_SUPPORT␊ |
71 | #include "ext2fs.h"␊ |
72 | #endif␊ |
73 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
74 | #include "freebsd.h"␊ |
75 | #include "openbsd.h"␊ |
76 | #endif␊ |
77 | #ifndef NO_HAIKU_SUPPORT␊ |
78 | #include "befs.h"␊ |
79 | #endif␊ |
80 | ␊ |
81 | #include "xml.h"␊ |
82 | #include "disk.h"␊ |
83 | #include "modules.h"␊ |
84 | ␊ |
85 | #ifndef DEBUG_DISK␊ |
86 | #define DEBUG_DISK 0␊ |
87 | #endif␊ |
88 | ␊ |
89 | #if DEBUG_DISK==2␊ |
90 | #define DBG(x...) {printf(x); sleep(1);}␊ |
91 | #elif DEBUG_DISK==1␊ |
92 | #define DBG(x...) printf(x)␊ |
93 | #else␊ |
94 | #define DBG(x...)␊ |
95 | #endif␊ |
96 | ␊ |
97 | #ifndef MIN␊ |
98 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
99 | #endif␊ |
100 | ␊ |
101 | #ifndef MAX␊ |
102 | #define MAX(x, y) ((x) > (y) ? (x) : (y))␊ |
103 | #endif␊ |
104 | ␊ |
105 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
106 | #define␉UINT_MAX␉0xffffffff␉/* max value for an unsigned int, defined in <limits.h>. */␊ |
107 | #include <IOKit/storage/IOApplePartitionScheme.h>␊ |
108 | #define kAPMSector 2 /* Sector number of Apple partition map */␊ |
109 | #define kAPMCDSector 8 /* Translated sector of Apple partition map on a CD */␊ |
110 | #else␊ |
111 | #define DPISTRLEN 32 // Defined in <IOApplePartitionScheme.h>.␊ |
112 | #endif␊ |
113 | ␊ |
114 | #include <IOKit/storage/IOGUIDPartitionScheme.h>␊ |
115 | typedef struct gpt_hdr gpt_hdr;␊ |
116 | typedef struct gpt_ent gpt_ent;␊ |
117 | ␊ |
118 | // For EFI_GUID␊ |
119 | #include "efi.h"␊ |
120 | #include "efi_tables.h"␊ |
121 | ␊ |
122 | #define PROBEFS_SIZE BPS * 4 /* buffer size for filesystem probe */␊ |
123 | #define N_CACHE_SECS (BIOS_LEN / BPS) /* Must be a multiple of 4 for CD-ROMs */␊ |
124 | ␊ |
125 | #if UNUSED␊ |
126 | #define CD_BPS 2048 /* CD-ROM block size */␊ |
127 | #endif␊ |
128 | ␊ |
129 | /*␊ |
130 | * IORound and IOTrunc convenience functions, in the spirit␊ |
131 | * of vm's round_page() and trunc_page().␊ |
132 | */␊ |
133 | #define IORound(value,multiple) \␊ |
134 | ((((value) + (multiple) - 1) / (multiple)) * (multiple))␊ |
135 | ␊ |
136 | /*␊ |
137 | #define IOTrunc(value,multiple) \␊ |
138 | (((value) / (multiple)) * (multiple));␊ |
139 | */␊ |
140 | ␊ |
141 | /*␊ |
142 | * trackbuf points to the start of the track cache. Biosread()␊ |
143 | * will store the sectors read from disk to this memory area.␊ |
144 | *␊ |
145 | * biosbuf points to a sector within the track cache, and is␊ |
146 | * updated by Biosread().␊ |
147 | */␊ |
148 | static char * const trackbuf = (char *) ptov(BIOS_ADDR);␊ |
149 | static char * biosbuf;␊ |
150 | ␊ |
151 | /*␊ |
152 | * Map a disk drive to bootable volumes contained within.␊ |
153 | */␊ |
154 | struct DiskBVMap {␊ |
155 | int biosdev; // BIOS device number (unique)␊ |
156 | BVRef bvr; // chain of boot volumes on the disk␊ |
157 | int bvrcnt; // number of boot volumes␊ |
158 | struct DiskBVMap * next; // linkage to next mapping␊ |
159 | };␊ |
160 | ␊ |
161 | static struct DiskBVMap * gDiskBVMap = NULL;␊ |
162 | static struct disk_blk0 * gBootSector = NULL;␊ |
163 | ␊ |
164 | ␊ |
165 | #if TEXT_SPINNER␊ |
166 | extern void spinActivityIndicator(int sectors);␊ |
167 | #endif␊ |
168 | ␊ |
169 | struct NamedValue {␊ |
170 | unsigned char value;␊ |
171 | const char * name;␊ |
172 | };␊ |
173 | ␊ |
174 | static int getDriveInfo( int biosdev, struct driveInfo *dip );␊ |
175 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
176 | ␉␉␉␉␉␉␉␉␉unsigned char value );␊ |
177 | static int Biosread( int biosdev, unsigned long long secno );␊ |
178 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
179 | ␉␉␉␉␉ unsigned int byteoff,␊ |
180 | ␉␉␉␉␉ unsigned int byteCount, void * buffer );␊ |
181 | static int isExtendedFDiskPartition( const struct fdisk_part * part );␊ |
182 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
183 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart );␊ |
184 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
185 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
186 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
187 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
188 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
189 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
190 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
191 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
192 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
193 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags );␊ |
194 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr );␊ |
195 | static int probeFileSystem(int biosdev, unsigned int blkoff);␊ |
196 | static bool isPartitionUsed(gpt_ent * partition);␊ |
197 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr );␊ |
198 | static void scanFSLevelBVRSettings(BVRef chain);␊ |
199 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
200 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr );␊ |
201 | #endif␊ |
202 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id );␊ |
203 | static bool getOSVersion(BVRef bvr, char *str);␊ |
204 | static bool CheckDarwin(BVRef bvr);␊ |
205 | static bool getOSInstallVersion(const char *dirSpec, char *str, config_file_t *systemVersion);␊ |
206 | static bool getOSInstallURL(BVRef bvr, const char *dirSpec, config_file_t *config_file);␊ |
207 | ␊ |
208 | //==========================================================================␊ |
209 | ␊ |
210 | static int getDriveInfo( int biosdev, struct driveInfo *dip )␊ |
211 | {␊ |
212 | static struct driveInfo cached_di;␊ |
213 | ␉int cc;␊ |
214 | #ifndef OPTION_ROM ␊ |
215 | // Real BIOS devices are 8-bit, so anything above that is for internal use.␊ |
216 | // Don't cache ramdisk drive info since it doesn't require several BIOS␊ |
217 | // calls and is thus not worth it.␊ |
218 | if(biosdev >= 0x100 && execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)␊ |
219 | {␊ |
220 | ␉␉int ret = 0;␊ |
221 | ␉␉execute_hook("p_get_ramdisk_info", &biosdev, (void *)dip, &ret, NULL, NULL, NULL);␊ |
222 | ␉␉return ret;␊ |
223 | ␉␉␊ |
224 | }␊ |
225 | #endif␊ |
226 | if ( !cached_di.valid || biosdev != cached_di.biosdev )␊ |
227 | {␊ |
228 | ␉␉cc = get_drive_info(biosdev, &cached_di);␊ |
229 | if (cc < 0) {␊ |
230 | ␉␉␉cached_di.valid = 0;␊ |
231 | DEBUG_DISK(("get_drive_info returned error\n"));␊ |
232 | ␉␉␉return (-1); // BIOS call error␊ |
233 | ␉␉}␊ |
234 | }␊ |
235 | ␉␊ |
236 | bcopy(&cached_di, dip, sizeof(cached_di));␊ |
237 | ␉␊ |
238 | return 0;␊ |
239 | }␊ |
240 | ␊ |
241 | //==========================================================================␊ |
242 | // Maps (E)BIOS return codes to message strings.␊ |
243 | ␊ |
244 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
245 | ␉␉␉␉␉␉␉␉␉unsigned char value )␊ |
246 | {␊ |
247 | const struct NamedValue * np;␊ |
248 | ␉␊ |
249 | for ( np = nameTable; np->value; np++)␊ |
250 | if (np->value == value)␊ |
251 | return np->name;␊ |
252 | ␉␊ |
253 | return NULL;␊ |
254 | }␊ |
255 | ␊ |
256 | #define ECC_CORRECTED_ERR 0x11␊ |
257 | ␊ |
258 | static const struct NamedValue bios_errors[] = {␊ |
259 | { 0x10, "Media error" },␊ |
260 | { 0x11, "Corrected ECC error" },␊ |
261 | { 0x20, "Controller or device error" },␊ |
262 | { 0x40, "Seek failed" },␊ |
263 | { 0x80, "Device timeout" },␊ |
264 | { 0xAA, "Drive not ready" },␊ |
265 | { 0x00, 0 }␊ |
266 | };␊ |
267 | ␊ |
268 | static const char * bios_error(int errnum)␊ |
269 | {␊ |
270 | static char errorstr[11];␊ |
271 | const char * errname;␊ |
272 | ␉␊ |
273 | errname = getNameForValue( bios_errors, errnum );␊ |
274 | if ( errname ) return errname;␊ |
275 | ␉␊ |
276 | snprintf(errorstr, sizeof(errorstr), "Error 0x%02x", errnum);␊ |
277 | return errorstr; // No string, print error code only␊ |
278 | }␊ |
279 | ␊ |
280 | //==========================================================================␊ |
281 | // Use BIOS INT13 calls to read the sector specified. This function will␊ |
282 | // also perform read-ahead to cache a few subsequent sector to the sector␊ |
283 | // cache.␊ |
284 | // ␊ |
285 | // Return:␊ |
286 | // 0 on success, or an error code from INT13/F2 or INT13/F42 BIOS call.␊ |
287 | ␊ |
288 | static bool cache_valid = false;␊ |
289 | ␊ |
290 | static int Biosread( int biosdev, unsigned long long secno )␊ |
291 | {␊ |
292 | static int xbiosdev, xcyl, xhead;␊ |
293 | static unsigned int xsec, xnsecs;␊ |
294 | struct driveInfo di;␊ |
295 | ␉␊ |
296 | int rc = -1;␊ |
297 | int cyl, head, sec;␊ |
298 | int tries = 0;␊ |
299 | int bps, divisor;␊ |
300 | ␉␊ |
301 | if (getDriveInfo(biosdev, &di) < 0) {␊ |
302 | ␉␉return -1;␊ |
303 | }␊ |
304 | if (di.no_emulation) {␊ |
305 | ␉␉/* Always assume 2k block size; BIOS may lie about geometry */␊ |
306 | ␉␉bps = 2048;␊ |
307 | } else {␊ |
308 | ␉␉bps = di.di.params.phys_nbps;␊ |
309 | if (bps == 0) {␊ |
310 | return -1;␊ |
311 | }␊ |
312 | }␊ |
313 | divisor = bps / BPS;␊ |
314 | ␉␊ |
315 | DEBUG_DISK(("Biosread dev %x sec %llu bps %d\n", biosdev, secno, bps));␊ |
316 | ␉␊ |
317 | // To read the disk sectors, use EBIOS if we can. Otherwise,␊ |
318 | // revert to the standard BIOS calls.␊ |
319 | ␉␊ |
320 | if ((biosdev >= kBIOSDevTypeHardDrive) &&␊ |
321 | (di.uses_ebios & EBIOS_FIXED_DISK_ACCESS))␊ |
322 | {␊ |
323 | if (cache_valid &&␊ |
324 | (biosdev == xbiosdev) &&␊ |
325 | (secno >= xsec) &&␊ |
326 | ((unsigned int)secno < (xsec + xnsecs)))␊ |
327 | {␊ |
328 | biosbuf = trackbuf + (BPS * (secno - xsec));␊ |
329 | return 0;␊ |
330 | }␊ |
331 | ␉␉␊ |
332 | xnsecs = N_CACHE_SECS;␊ |
333 | xsec = (secno / divisor) * divisor;␊ |
334 | cache_valid = false;␊ |
335 | ␉␉␊ |
336 | while ((rc = ebiosread(biosdev, secno / divisor, xnsecs / divisor)) && (++tries < 5))␊ |
337 | {␊ |
338 | if (rc == ECC_CORRECTED_ERR) {␊ |
339 | /* Ignore corrected ECC errors */␊ |
340 | rc = 0;␊ |
341 | break;␊ |
342 | }␊ |
343 | printf(" EBIOS read error (%d): %s\n", rc, bios_error(rc) );␊ |
344 | printf(" Block 0x%llx Sectors %d\n", secno, xnsecs);␊ |
345 | sleep(1);␊ |
346 | }␊ |
347 | }␊ |
348 | else␊ |
349 | {␊ |
350 | ␉␉/* spc = spt * heads */␊ |
351 | ␉␉int spc = (di.di.params.phys_spt * di.di.params.phys_heads);␊ |
352 | cyl = secno / spc;␊ |
353 | head = (secno % spc) / di.di.params.phys_spt;␊ |
354 | sec = secno % di.di.params.phys_spt;␊ |
355 | ␉␉␊ |
356 | if (cache_valid &&␊ |
357 | (biosdev == xbiosdev) &&␊ |
358 | (cyl == xcyl) &&␊ |
359 | (head == xhead) &&␊ |
360 | ((unsigned int)sec >= xsec) &&␊ |
361 | ((unsigned int)sec < (xsec + xnsecs)))␊ |
362 | {␊ |
363 | // this sector is in trackbuf cache␊ |
364 | biosbuf = trackbuf + (BPS * (sec - xsec));␊ |
365 | return 0;␊ |
366 | }␊ |
367 | ␉␉␊ |
368 | // Cache up to a track worth of sectors, but do not cross a␊ |
369 | // track boundary.␊ |
370 | ␉␉␊ |
371 | xcyl = cyl;␊ |
372 | xhead = head;␊ |
373 | xsec = sec;␊ |
374 | xnsecs = ((unsigned int)(sec + N_CACHE_SECS) > di.di.params.phys_spt) ? (di.di.params.phys_spt - sec) : N_CACHE_SECS;␊ |
375 | cache_valid = false;␊ |
376 | ␉␉␊ |
377 | while ((rc = biosread(biosdev, cyl, head, sec, xnsecs)) &&␊ |
378 | (++tries < 5))␊ |
379 | {␊ |
380 | if (rc == ECC_CORRECTED_ERR) {␊ |
381 | /* Ignore corrected ECC errors */␊ |
382 | rc = 0;␊ |
383 | break;␊ |
384 | }␊ |
385 | printf(" BIOS read error(%d): %s\n", rc, bios_error(rc));␊ |
386 | printf(" Block %llu, Cyl %d Head %d Sector %d\n",␊ |
387 | secno, cyl, head, sec);␊ |
388 | sleep(1);␊ |
389 | }␊ |
390 | }␊ |
391 | ␉␊ |
392 | // If the BIOS reported success, mark the sector cache as valid.␊ |
393 | ␉␊ |
394 | if (rc == 0) {␊ |
395 | cache_valid = true;␊ |
396 | }␊ |
397 | biosbuf = trackbuf + (secno % divisor) * BPS;␊ |
398 | xbiosdev = biosdev;␊ |
399 | ␊ |
400 | #if TEXT_SPINNER␊ |
401 | ␉spinActivityIndicator(xnsecs);␊ |
402 | #endif␊ |
403 | ␉␊ |
404 | return rc;␊ |
405 | }␊ |
406 | ␊ |
407 | //==========================================================================␊ |
408 | ␊ |
409 | int testBiosread( int biosdev, unsigned long long secno )␊ |
410 | {␊ |
411 | ␉return Biosread(biosdev, secno);␊ |
412 | }␊ |
413 | ␊ |
414 | //==========================================================================␊ |
415 | ␊ |
416 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
417 | ␉␉␉␉␉ unsigned int byteoff,␊ |
418 | ␉␉␉␉␉ unsigned int byteCount, void * buffer )␊ |
419 | {␊ |
420 | #ifndef OPTION_ROM ␊ |
421 | // ramdisks require completely different code for reading.␊ |
422 | ␊ |
423 | ␉␊ |
424 | ␉if(biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)){␊ |
425 | ␊ |
426 | ␉␉int ret = -1;␊ |
427 | ␉␉execute_hook("p_ramdiskReadBytes", &biosdev, (void*)(unsigned long)&blkno, &byteoff, &byteCount, buffer, &ret);␊ |
428 | ␉␉return ret;␊ |
429 | ␉}␊ |
430 | #endif␉␉␉␊ |
431 | ␉␊ |
432 | char * cbuf = (char *) buffer;␊ |
433 | int error;␊ |
434 | int copy_len;␊ |
435 | ␉␊ |
436 | DEBUG_DISK(("%s: dev %x block %llu [%d] -> 0x%x...", __FUNCTION__,␊ |
437 | biosdev, blkno, byteCount, (unsigned)cbuf));␊ |
438 | ␉␊ |
439 | for ( ; byteCount; cbuf += copy_len, blkno++ )␊ |
440 | {␊ |
441 | error = Biosread( biosdev, blkno );␊ |
442 | if ( error )␊ |
443 | {␊ |
444 | DEBUG_DISK(("error\n"));␊ |
445 | return (-1);␊ |
446 | }␊ |
447 | ␉␉␊ |
448 | copy_len = ((byteCount + byteoff) > BPS) ? (BPS - byteoff) : byteCount;␊ |
449 | bcopy( biosbuf + byteoff, cbuf, copy_len );␊ |
450 | byteCount -= copy_len;␊ |
451 | byteoff = 0;␊ |
452 | }␊ |
453 | ␉␊ |
454 | DEBUG_DISK(("done\n"));␊ |
455 | ␉␊ |
456 | return 0; ␊ |
457 | }␊ |
458 | ␊ |
459 | //==========================================================================␊ |
460 | ␊ |
461 | static int isExtendedFDiskPartition( const struct fdisk_part * part )␊ |
462 | {␊ |
463 | static unsigned char extParts[] =␊ |
464 | {␊ |
465 | 0x05, /* Extended */␊ |
466 | 0x0f, /* Win95 extended */␊ |
467 | 0x85, /* Linux extended */␊ |
468 | };␊ |
469 | ␉␊ |
470 | unsigned int i;␊ |
471 | ␉␊ |
472 | for (i = 0; i < sizeof(extParts)/sizeof(extParts[0]); i++)␊ |
473 | {␊ |
474 | if (extParts[i] == part->systid) return 1;␊ |
475 | }␊ |
476 | return 0;␊ |
477 | }␊ |
478 | ␊ |
479 | //==========================================================================␊ |
480 | ␊ |
481 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
482 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart )␊ |
483 | {␊ |
484 | static int sBiosdev = -1;␊ |
485 | static int sNextPartNo;␊ |
486 | static unsigned int sFirstBase;␊ |
487 | static unsigned int sExtBase;␊ |
488 | static unsigned int sExtDepth;␊ |
489 | static struct fdisk_part * sExtPart;␊ |
490 | struct fdisk_part * part;␊ |
491 | ␉␊ |
492 | if ( sBiosdev != biosdev || *partno < 0 )␊ |
493 | {␊ |
494 | // Fetch MBR.␊ |
495 | if ( readBootSector( biosdev, DISK_BLK0, 0 ) ) return 0;␊ |
496 | ␉␉␊ |
497 | sBiosdev = biosdev;␊ |
498 | sNextPartNo = 0;␊ |
499 | sFirstBase = 0;␊ |
500 | sExtBase = 0;␊ |
501 | sExtDepth = 0;␊ |
502 | sExtPart = NULL;␊ |
503 | }␊ |
504 | ␉␊ |
505 | while (1)␊ |
506 | {␊ |
507 | part = NULL;␊ |
508 | ␉␉␊ |
509 | if ( sNextPartNo < FDISK_NPART )␊ |
510 | {␊ |
511 | part = (struct fdisk_part *) gBootSector->parts[sNextPartNo];␊ |
512 | }␊ |
513 | else if ( sExtPart )␊ |
514 | {␊ |
515 | unsigned int blkno = sExtPart->relsect + sFirstBase;␊ |
516 | ␉␉␉␊ |
517 | // Save the block offset of the first extended partition.␊ |
518 | ␉␉␉␊ |
519 | if (sExtDepth == 0) {␊ |
520 | sFirstBase = blkno;␊ |
521 | }␊ |
522 | sExtBase = blkno;␊ |
523 | ␉␉␉␊ |
524 | // Load extended partition table.␊ |
525 | ␉␉␉␊ |
526 | if ( readBootSector( biosdev, blkno, 0 ) == 0 )␊ |
527 | {␊ |
528 | sNextPartNo = 0;␊ |
529 | sExtDepth++;␊ |
530 | sExtPart = NULL;␊ |
531 | continue;␊ |
532 | }␊ |
533 | // Fall through to part == NULL␊ |
534 | }␊ |
535 | ␉␉␊ |
536 | if ( part == NULL ) break; // Reached end of partition chain.␊ |
537 | ␉␉␊ |
538 | // Advance to next partition number.␊ |
539 | ␉␉␊ |
540 | sNextPartNo++;␊ |
541 | ␉␉␊ |
542 | if ( isExtendedFDiskPartition(part) )␊ |
543 | {␊ |
544 | sExtPart = part;␊ |
545 | continue;␊ |
546 | }␊ |
547 | ␉␉␊ |
548 | // Skip empty slots.␊ |
549 | ␉␉␊ |
550 | if ( part->systid == 0x00 )␊ |
551 | {␊ |
552 | continue;␊ |
553 | }␊ |
554 | ␉␉␊ |
555 | // Change relative offset to an absolute offset.␊ |
556 | part->relsect += sExtBase;␊ |
557 | ␉␉␊ |
558 | *outPart = part;␊ |
559 | *partno = sExtDepth ? (int)(sExtDepth + FDISK_NPART) : sNextPartNo;␊ |
560 | ␉␉␊ |
561 | break;␊ |
562 | }␊ |
563 | ␉␊ |
564 | return (part != NULL);␊ |
565 | }␊ |
566 | ␊ |
567 | //==========================================================================␊ |
568 | ␊ |
569 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
570 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
571 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
572 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
573 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
574 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
575 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
576 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
577 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
578 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
579 | {␊ |
580 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
581 | if ( bvr )␊ |
582 | {␊ |
583 | bzero(bvr, sizeof(*bvr));␊ |
584 | ␉␉␊ |
585 | bvr->biosdev = biosdev;␊ |
586 | bvr->part_no = partno;␊ |
587 | bvr->part_boff = blkoff;␊ |
588 | bvr->part_type = part->systid;␊ |
589 | bvr->fs_loadfile = loadFunc;␊ |
590 | bvr->fs_readfile = readFunc;␊ |
591 | bvr->fs_getdirentry = getdirFunc;␊ |
592 | bvr->fs_getfileblock= getBlockFunc;␊ |
593 | bvr->fs_getuuid = getUUIDFunc;␊ |
594 | bvr->description = getDescriptionFunc;␊ |
595 | bvr->type = type;␊ |
596 | bvr->bv_free = bvFreeFunc;␊ |
597 | ␉␉␊ |
598 | if ((part->bootid & FDISK_ACTIVE) && (part->systid == FDISK_HFS))␊ |
599 | bvr->flags |= kBVFlagPrimary;␊ |
600 | ␉␉␊ |
601 | // Probe the filesystem.␊ |
602 | ␉␉␊ |
603 | if ( initFunc )␊ |
604 | {␊ |
605 | bvr->flags |= kBVFlagNativeBoot;␊ |
606 | ␉␉␉␊ |
607 | if ( probe && initFunc( bvr ) != 0 )␊ |
608 | {␊ |
609 | // filesystem probe failed.␊ |
610 | ␉␉␉␉␊ |
611 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
612 | __FUNCTION__, biosdev, partno));␊ |
613 | ␉␉␉␉␊ |
614 | (*bvr->bv_free)(bvr);␊ |
615 | bvr = NULL;␊ |
616 | }␊ |
617 | if ( bvr && readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
618 | {␊ |
619 | ␉bvr->flags |= kBVFlagBootable;␊ |
620 | }␊ |
621 | }␊ |
622 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
623 | {␊ |
624 | bvr->flags |= kBVFlagForeignBoot;␊ |
625 | }␊ |
626 | else␊ |
627 | {␊ |
628 | (*bvr->bv_free)(bvr);␊ |
629 | bvr = NULL;␊ |
630 | }␊ |
631 | }␊ |
632 | if (bvr) bvr->flags |= bvrFlags;␊ |
633 | return bvr;␊ |
634 | }␊ |
635 | ␊ |
636 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
637 | //==========================================================================␊ |
638 | ␊ |
639 | BVRef newAPMBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
640 | ␉␉␉␉ const DPME * part,␊ |
641 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
642 | ␉␉␉␉ FSReadFile readFunc,␊ |
643 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
644 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
645 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
646 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
647 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
648 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
649 | {␊ |
650 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
651 | if ( bvr )␊ |
652 | {␊ |
653 | bzero(bvr, sizeof(*bvr));␊ |
654 | ␉␉␊ |
655 | bvr->biosdev = biosdev;␊ |
656 | bvr->part_no = partno;␊ |
657 | bvr->part_boff = blkoff;␊ |
658 | bvr->fs_loadfile = loadFunc;␊ |
659 | bvr->fs_readfile = readFunc;␊ |
660 | bvr->fs_getdirentry = getdirFunc;␊ |
661 | bvr->fs_getfileblock= getBlockFunc;␊ |
662 | bvr->fs_getuuid = getUUIDFunc;␊ |
663 | bvr->description = getDescriptionFunc;␊ |
664 | bvr->type = type;␊ |
665 | bvr->bv_free = bvFreeFunc;␊ |
666 | strlcpy(bvr->name, part->dpme_name, DPISTRLEN);␊ |
667 | strlcpy(bvr->type_name, part->dpme_type, DPISTRLEN);␊ |
668 | ␉␉␊ |
669 | /*␊ |
670 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
671 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
672 | ␉␉ */␊ |
673 | ␉␉␊ |
674 | // Probe the filesystem.␊ |
675 | ␉␉␊ |
676 | if ( initFunc )␊ |
677 | {␊ |
678 | bvr->flags |= kBVFlagNativeBoot | kBVFlagBootable | kBVFlagSystemVolume;␊ |
679 | ␉␉␉␊ |
680 | if ( probe && initFunc( bvr ) != 0 )␊ |
681 | {␊ |
682 | // filesystem probe failed.␊ |
683 | ␉␉␉␉␊ |
684 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
685 | __FUNCTION__, biosdev, partno));␊ |
686 | ␉␉␉␉␊ |
687 | (*bvr->bv_free)(bvr);␊ |
688 | bvr = NULL;␊ |
689 | }␊ |
690 | }␊ |
691 | /*␊ |
692 | ␉␉ else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
693 | ␉␉ {␊ |
694 | ␉␉ bvr->flags |= kBVFlagForeignBoot;␊ |
695 | ␉␉ }␊ |
696 | ␉␉ */␊ |
697 | else␊ |
698 | {␊ |
699 | (*bvr->bv_free)(bvr);␊ |
700 | bvr = NULL;␊ |
701 | }␊ |
702 | }␊ |
703 | if (bvr) bvr->flags |= bvrFlags;␊ |
704 | return bvr;␊ |
705 | }␊ |
706 | #endif␊ |
707 | //==========================================================================␊ |
708 | ␊ |
709 | // HFS+ GUID in LE form␊ |
710 | EFI_GUID const GPT_HFS_GUID␉= { 0x48465300, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
711 | // turbo - also our booter partition␊ |
712 | EFI_GUID const GPT_BOOT_GUID␉= { 0x426F6F74, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
713 | // turbo - or an efi system partition␊ |
714 | EFI_GUID const GPT_EFISYS_GUID␉= { 0xC12A7328, 0xF81F, 0x11D2, { 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } };␊ |
715 | // zef - basic data partition EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 for foreign OS support␊ |
716 | EFI_GUID const GPT_BASICDATA_GUID = { 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } };␊ |
717 | EFI_GUID const GPT_BASICDATA2_GUID = { 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } };␊ |
718 | ␊ |
719 | ␊ |
720 | BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
721 | ␉␉␉␉ const gpt_ent * part,␊ |
722 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
723 | ␉␉␉␉ FSReadFile readFunc,␊ |
724 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
725 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
726 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
727 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
728 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
729 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
730 | {␊ |
731 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
732 | if ( bvr )␊ |
733 | {␊ |
734 | bzero(bvr, sizeof(*bvr));␊ |
735 | ␉␉␊ |
736 | bvr->biosdev = biosdev;␊ |
737 | bvr->part_no = partno;␊ |
738 | bvr->part_boff = blkoff;␊ |
739 | bvr->fs_loadfile = loadFunc;␊ |
740 | bvr->fs_readfile = readFunc;␊ |
741 | bvr->fs_getdirentry = getdirFunc;␊ |
742 | bvr->fs_getfileblock= getBlockFunc;␊ |
743 | bvr->fs_getuuid = getUUIDFunc;␊ |
744 | bvr->description = getDescriptionFunc;␊ |
745 | ␉bvr->type = type;␊ |
746 | bvr->bv_free = bvFreeFunc;␊ |
747 | // FIXME: UCS-2 -> UTF-8 the name␊ |
748 | strlcpy(bvr->name, "----", DPISTRLEN);␊ |
749 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)part->ent_type) == 0) ||␊ |
750 | ␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)part->ent_type) == 0) )␊ |
751 | ␉␉␉strlcpy(bvr->type_name, "GPT HFS+", DPISTRLEN);␊ |
752 | else␊ |
753 | ␉␉␉strlcpy(bvr->type_name, "GPT Unknown", DPISTRLEN);␊ |
754 | ␉␉␊ |
755 | /*␊ |
756 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
757 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
758 | ␉␉ */␊ |
759 | ␉␉␊ |
760 | // Probe the filesystem.␊ |
761 | ␉␉␊ |
762 | if ( initFunc )␊ |
763 | {␊ |
764 | bvr->flags |= kBVFlagNativeBoot;␊ |
765 | ␉␉␉␊ |
766 | if ( probe && initFunc( bvr ) != 0 )␊ |
767 | {␊ |
768 | // filesystem probe failed.␊ |
769 | ␉␉␉␉␊ |
770 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
771 | __FUNCTION__, biosdev, partno));␊ |
772 | ␉␉␉␉␊ |
773 | (*bvr->bv_free)(bvr);␊ |
774 | bvr = NULL;␊ |
775 | }␊ |
776 | if ( bvr && readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
777 | {␊ |
778 | ␉bvr->flags |= kBVFlagBootable;␊ |
779 | }␊ |
780 | }␊ |
781 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
782 | {␊ |
783 | bvr->flags |= kBVFlagForeignBoot;␊ |
784 | }␊ |
785 | else␊ |
786 | {␊ |
787 | (*bvr->bv_free)(bvr);␊ |
788 | bvr = NULL;␊ |
789 | }␊ |
790 | }␊ |
791 | if (bvr) bvr->flags |= bvrFlags;␊ |
792 | return bvr;␊ |
793 | }␊ |
794 | ␊ |
795 | //==========================================================================␊ |
796 | ␊ |
797 | /* A note on partition numbers:␊ |
798 | * IOKit makes the primary partitions numbers 1-4, and then␊ |
799 | * extended partitions are numbered consecutively 5 and up.␊ |
800 | * So, for example, if you have two primary partitions and␊ |
801 | * one extended partition they will be numbered 1, 2, 5.␊ |
802 | */␊ |
803 | ␊ |
804 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr )␊ |
805 | {␊ |
806 | const struct fdisk_part * part;␊ |
807 | struct DiskBVMap * map;␊ |
808 | int partno = -1;␊ |
809 | BVRef bvr;␊ |
810 | #ifdef UFS_SUPPORT␊ |
811 | BVRef booterUFS = NULL;␊ |
812 | int spc;␊ |
813 | struct driveInfo di;␊ |
814 | boot_drive_info_t *dp;␊ |
815 | ␉␊ |
816 | /* Initialize disk info */␊ |
817 | if (getDriveInfo(biosdev, &di) != 0) {␊ |
818 | ␉␉return NULL;␊ |
819 | }␊ |
820 | dp = &di.di;␊ |
821 | spc = (dp->params.phys_spt * dp->params.phys_heads);␊ |
822 | if (spc == 0) {␊ |
823 | ␉␉/* This is probably a CD-ROM; punt on the geometry. */␊ |
824 | ␉␉spc = 1;␊ |
825 | }␊ |
826 | #endif␊ |
827 | // Create a new mapping.␊ |
828 | ␊ |
829 | ␉map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
830 | if ( !map )␊ |
831 | {␊ |
832 | return NULL; ␊ |
833 | }␊ |
834 | ␊ |
835 | do {␉␉␊ |
836 | ␊ |
837 | map->biosdev = biosdev;␊ |
838 | map->bvr = NULL;␊ |
839 | map->bvrcnt = 0;␊ |
840 | map->next = gDiskBVMap;␊ |
841 | gDiskBVMap = map;␊ |
842 | ␊ |
843 | // Create a record for each partition found on the disk.␊ |
844 | ␊ |
845 | while ( getNextFDiskPartition( biosdev, &partno, &part ) )␊ |
846 | {␊ |
847 | DEBUG_DISK(("%s: part %d [%x]\n", __FUNCTION__,␊ |
848 | partno, part->systid));␊ |
849 | bvr = 0;␊ |
850 | ␊ |
851 | switch ( part->systid )␊ |
852 | {␊ |
853 | #ifdef UFS_SUPPORT␊ |
854 | case FDISK_UFS:␊ |
855 | bvr = newFDiskBVRef(␊ |
856 | biosdev, partno,␊ |
857 | part->relsect + UFS_FRONT_PORCH/BPS,␊ |
858 | part,␊ |
859 | UFSInitPartition,␊ |
860 | UFSLoadFile,␊ |
861 | UFSReadFile,␊ |
862 | UFSGetDirEntry,␊ |
863 | UFSGetFileBlock,␊ |
864 | UFSGetUUID,␊ |
865 | UFSGetDescription,␊ |
866 | UFSFree,␊ |
867 | 0,␊ |
868 | kBIOSDevTypeHardDrive, 0);␊ |
869 | break;␊ |
870 | #endif␊ |
871 | ␊ |
872 | case FDISK_HFS:␊ |
873 | bvr = newFDiskBVRef(␊ |
874 | biosdev, partno,␊ |
875 | part->relsect,␊ |
876 | part,␊ |
877 | HFSInitPartition,␊ |
878 | HFSLoadFile,␊ |
879 | HFSReadFile,␊ |
880 | HFSGetDirEntry,␊ |
881 | HFSGetFileBlock,␊ |
882 | HFSGetUUID,␊ |
883 | HFSGetDescription,␊ |
884 | HFSFree,␊ |
885 | 0,␊ |
886 | kBIOSDevTypeHardDrive, 0);␊ |
887 | break;␊ |
888 | ␊ |
889 | // turbo - we want the booter type scanned also␊ |
890 | case FDISK_BOOTER:␊ |
891 | if (part->bootid & FDISK_ACTIVE) { ␊ |
892 | ␉␉␉␉␉␉safe_set_env(envgBIOSBootVolume, (uint32_t)newFDiskBVRef(␊ |
893 | biosdev, partno,␊ |
894 | part->relsect,␊ |
895 | part,␊ |
896 | HFSInitPartition,␊ |
897 | HFSLoadFile,␊ |
898 | HFSReadFile,␊ |
899 | HFSGetDirEntry,␊ |
900 | HFSGetFileBlock,␊ |
901 | HFSGetUUID,␊ |
902 | HFSGetDescription,␊ |
903 | HFSFree,␊ |
904 | 0,␊ |
905 | kBIOSDevTypeHardDrive, 0));␊ |
906 | break;␊ |
907 | }␊ |
908 | #ifndef UFS_SUPPORT␉␉␉␉␉␉␊ |
909 | break;␊ |
910 | #else␉␉␉␉␉␉␊ |
911 | ␊ |
912 | //case FDISK_BOOTER:␊ |
913 | booterUFS = newFDiskBVRef(␊ |
914 | biosdev, partno,␊ |
915 | ((part->relsect + spc - 1) / spc) * spc,␊ |
916 | part,␊ |
917 | UFSInitPartition,␊ |
918 | UFSLoadFile,␊ |
919 | UFSReadFile,␊ |
920 | UFSGetDirEntry,␊ |
921 | UFSGetFileBlock,␊ |
922 | UFSGetUUID,␊ |
923 | UFSGetDescription,␊ |
924 | UFSFree,␊ |
925 | 0,␊ |
926 | kBIOSDevTypeHardDrive, 0);␊ |
927 | break;␊ |
928 | #endif␊ |
929 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
930 | case FDISK_FAT32:␊ |
931 | case FDISK_DOS12:␊ |
932 | case FDISK_DOS16S:␊ |
933 | case FDISK_DOS16B:␊ |
934 | case FDISK_SMALLFAT32:␊ |
935 | case FDISK_DOS16SLBA:␊ |
936 | bvr = newFDiskBVRef(␊ |
937 | biosdev, partno,␊ |
938 | part->relsect,␊ |
939 | part,␊ |
940 | MSDOSInitPartition,␊ |
941 | MSDOSLoadFile,␊ |
942 | MSDOSReadFile,␊ |
943 | MSDOSGetDirEntry,␊ |
944 | MSDOSGetFileBlock,␊ |
945 | MSDOSGetUUID,␊ |
946 | MSDOSGetDescription,␊ |
947 | MSDOSFree,␊ |
948 | 0,␊ |
949 | kBIOSDevTypeHardDrive, 0);␊ |
950 | break;␊ |
951 | case FDISK_NTFS:␊ |
952 | bvr = newFDiskBVRef(␊ |
953 | biosdev, partno,␊ |
954 | part->relsect,␊ |
955 | part,␊ |
956 | 0, 0, 0, 0, 0,␊ |
957 | NTFSGetUUID,␊ |
958 | NTFSGetDescription,␊ |
959 | (BVFree)free,␊ |
960 | 0, kBIOSDevTypeHardDrive, 0);␊ |
961 | break;␊ |
962 | #endif␊ |
963 | ␊ |
964 | #ifndef NO_LINUX_SUPPORT␊ |
965 | ␊ |
966 | case FDISK_LINUX:␊ |
967 | bvr = newFDiskBVRef(␊ |
968 | biosdev, partno,␊ |
969 | part->relsect,␊ |
970 | part,␊ |
971 | 0, 0, 0, 0, 0, 0,␊ |
972 | EX2GetDescription,␊ |
973 | (BVFree)free,␊ |
974 | 0, kBIOSDevTypeHardDrive, 0);␊ |
975 | break;␊ |
976 | #endif␊ |
977 | #ifndef NO_HAIKU_SUPPORT␉␉␉␉␉␉␊ |
978 | case FDISK_BEFS:␊ |
979 | bvr = newFDiskBVRef(␊ |
980 | biosdev, partno,␊ |
981 | part->relsect,␊ |
982 | part,␊ |
983 | 0, 0, 0, 0, 0, 0,␊ |
984 | BeFSGetDescription,␊ |
985 | (BVFree)free,␊ |
986 | 0, kBIOSDevTypeHardDrive, 0);␊ |
987 | break;␊ |
988 | #endif␊ |
989 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
990 | case FDISK_FREEBSD:␊ |
991 | bvr = newFDiskBVRef(␊ |
992 | biosdev, partno,␊ |
993 | part->relsect,␊ |
994 | part,␊ |
995 | 0, 0, 0, 0, 0, 0,␊ |
996 | FreeBSDGetDescription,␊ |
997 | (BVFree)free,␊ |
998 | 0, kBIOSDevTypeHardDrive, 0);␊ |
999 | break;␊ |
1000 | ␊ |
1001 | case FDISK_OPENBSD:␊ |
1002 | bvr = newFDiskBVRef(␊ |
1003 | biosdev, partno,␊ |
1004 | part->relsect,␊ |
1005 | part,␊ |
1006 | 0, 0, 0, 0, 0, 0,␊ |
1007 | OpenBSDGetDescription,␊ |
1008 | (BVFree)free,␊ |
1009 | 0, kBIOSDevTypeHardDrive, 0);␊ |
1010 | break;␊ |
1011 | #endif␊ |
1012 | default:␊ |
1013 | #if UNUSED␊ |
1014 | bvr = newFDiskBVRef(␊ |
1015 | biosdev, partno,␊ |
1016 | part->relsect,␊ |
1017 | part,␊ |
1018 | 0, 0, 0, 0, 0, 0, 0,␊ |
1019 | (BVFree)free,␊ |
1020 | 0,␊ |
1021 | kBIOSDevTypeHardDrive, 0);␊ |
1022 | #endif␊ |
1023 | break;␊ |
1024 | }␊ |
1025 | ␊ |
1026 | if ( bvr )␊ |
1027 | {␊ |
1028 | bvr->next = map->bvr;␊ |
1029 | map->bvr = bvr;␊ |
1030 | map->bvrcnt++;␊ |
1031 | }␊ |
1032 | }␊ |
1033 | ␊ |
1034 | #ifdef UFS_SUPPORT␊ |
1035 | // Booting from a CD with an UFS filesystem embedded␊ |
1036 | // in a booter partition.␊ |
1037 | ␊ |
1038 | if ( booterUFS )␊ |
1039 | {␊ |
1040 | if ( map->bvrcnt == 0 )␊ |
1041 | {␊ |
1042 | map->bvr = booterUFS;␊ |
1043 | map->bvrcnt++;␊ |
1044 | }␊ |
1045 | else free( booterUFS );␊ |
1046 | }␊ |
1047 | #endif␊ |
1048 | } while (0);␊ |
1049 | ␉␊ |
1050 | /*␊ |
1051 | * If no FDisk partition, then we will check for␊ |
1052 | * an Apple partition map elsewhere.␊ |
1053 | */␊ |
1054 | #if UNUSED␊ |
1055 | if (map->bvrcnt == 0) {␊ |
1056 | ␉␉static struct fdisk_part cdpart;␊ |
1057 | ␉␉cdpart.systid = 0xCD;␊ |
1058 | ␉␉␊ |
1059 | ␉␉/* Let's try assuming we are on a hybrid HFS/ISO9660 CD. */␊ |
1060 | ␉␉bvr = newFDiskBVRef(␊ |
1061 | biosdev, 0,␊ |
1062 | 0,␊ |
1063 | &cdpart,␊ |
1064 | HFSInitPartition,␊ |
1065 | HFSLoadFile,␊ |
1066 | HFSReadFile,␊ |
1067 | HFSGetDirEntry,␊ |
1068 | HFSGetFileBlock,␊ |
1069 | HFSGetUUID,␊ |
1070 | HFSGetDescription,␊ |
1071 | HFSFree,␊ |
1072 | 0,␊ |
1073 | kBIOSDevTypeHardDrive, 0);␊ |
1074 | ␉␉bvr->next = map->bvr;␊ |
1075 | ␉␉map->bvr = bvr;␊ |
1076 | ␉␉map->bvrcnt++;␊ |
1077 | }␊ |
1078 | #endif␊ |
1079 | // Actually this should always be true given the above code␊ |
1080 | if(map == gDiskBVMap)␊ |
1081 | {␊ |
1082 | // Don't leave a null map in the chain␊ |
1083 | if(map->bvrcnt == 0 && map->bvr == NULL)␊ |
1084 | {␊ |
1085 | gDiskBVMap = map->next;␊ |
1086 | free(map);␊ |
1087 | map = NULL;␊ |
1088 | }␊ |
1089 | }␊ |
1090 | ␉␊ |
1091 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1092 | ␉␊ |
1093 | return map ? map->bvr : NULL;␊ |
1094 | }␊ |
1095 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1096 | //==========================================================================␊ |
1097 | ␊ |
1098 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr )␊ |
1099 | {␊ |
1100 | struct DiskBVMap * map;␊ |
1101 | struct Block0 *block0_p;␊ |
1102 | unsigned int blksize;␊ |
1103 | unsigned int factor;␊ |
1104 | void *buffer = malloc(BPS);␊ |
1105 | ␉if (!buffer) {␊ |
1106 | return NULL;␊ |
1107 | }␊ |
1108 | /* Check for alternate block size */␊ |
1109 | if (readBytes( biosdev, 0, 0, BPS, buffer ) != 0) {␊ |
1110 | return NULL;␊ |
1111 | }␊ |
1112 | block0_p = buffer;␊ |
1113 | if (OSSwapBigToHostInt16(block0_p->sbSig) == BLOCK0_SIGNATURE) {␊ |
1114 | blksize = OSSwapBigToHostInt16(block0_p->sbBlkSize);␊ |
1115 | if (blksize != BPS) {␊ |
1116 | free(buffer);␊ |
1117 | buffer = malloc(blksize);␊ |
1118 | if (!buffer) {␊ |
1119 | return NULL;␊ |
1120 | }␊ |
1121 | }␊ |
1122 | factor = blksize / BPS;␊ |
1123 | } else {␊ |
1124 | blksize = BPS;␊ |
1125 | factor = 1;␊ |
1126 | }␊ |
1127 | ␊ |
1128 | // Create a new mapping.␊ |
1129 | ␊ |
1130 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
1131 | if ( !map )␊ |
1132 | {␊ |
1133 | return NULL;␊ |
1134 | }␊ |
1135 | ␊ |
1136 | do {␊ |
1137 | ␊ |
1138 | int error;␊ |
1139 | DPME *dpme_p = (DPME *)buffer;␊ |
1140 | UInt32 i, npart = UINT_MAX;␊ |
1141 | BVRef bvr;␊ |
1142 | ␊ |
1143 | map->biosdev = biosdev;␊ |
1144 | map->bvr = NULL;␊ |
1145 | map->bvrcnt = 0;␊ |
1146 | map->next = gDiskBVMap;␊ |
1147 | gDiskBVMap = map;␊ |
1148 | ␊ |
1149 | for (i=0; i<npart; i++) {␊ |
1150 | error = readBytes( biosdev, (kAPMSector + i) * factor, 0, blksize, buffer );␊ |
1151 | ␊ |
1152 | if (error || OSSwapBigToHostInt16(dpme_p->dpme_signature) != DPME_SIGNATURE) {␊ |
1153 | break;␊ |
1154 | }␊ |
1155 | ␊ |
1156 | if (i==0) {␊ |
1157 | npart = OSSwapBigToHostInt32(dpme_p->dpme_map_entries);␊ |
1158 | }␊ |
1159 | /*␊ |
1160 | printf("name = %s, %s%s %d -> %d [%d -> %d] {%d}\n",␊ |
1161 | dpme.dpme_name, dpme.dpme_type, (dpme.dpme_flags & DPME_FLAGS_BOOTABLE) ? "(bootable)" : "",␊ |
1162 | dpme.dpme_pblock_start, dpme.dpme_pblocks,␊ |
1163 | dpme.dpme_lblock_start, dpme.dpme_lblocks,␊ |
1164 | dpme.dpme_boot_block);␊ |
1165 | */␊ |
1166 | ␊ |
1167 | if (strncmp(dpme_p->dpme_type, "Apple_HFS",sizeof("Apple_HFS")) == 0) {␊ |
1168 | bvr = newAPMBVRef(biosdev,␊ |
1169 | i,␊ |
1170 | OSSwapBigToHostInt32(dpme_p->dpme_pblock_start) * factor,␊ |
1171 | dpme_p,␊ |
1172 | HFSInitPartition,␊ |
1173 | HFSLoadFile,␊ |
1174 | HFSReadFile,␊ |
1175 | HFSGetDirEntry,␊ |
1176 | HFSGetFileBlock,␊ |
1177 | HFSGetUUID,␊ |
1178 | HFSGetDescription,␊ |
1179 | HFSFree,␊ |
1180 | 0,␊ |
1181 | kBIOSDevTypeHardDrive, 0);␊ |
1182 | bvr->next = map->bvr;␊ |
1183 | map->bvr = bvr;␊ |
1184 | map->bvrcnt++;␊ |
1185 | }␊ |
1186 | } ␊ |
1187 | } while (0);␊ |
1188 | ␉␊ |
1189 | free(buffer);␊ |
1190 | ␉␊ |
1191 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1192 | ␉␊ |
1193 | return map ? map->bvr : NULL;␊ |
1194 | }␊ |
1195 | ␊ |
1196 | //==========================================================================␊ |
1197 | #endif ␊ |
1198 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1199 | ␊ |
1200 | /*␊ |
1201 | * Trying to figure out the filsystem type of a given partition.␊ |
1202 | */␊ |
1203 | static int probeFileSystem(int biosdev, unsigned int blkoff)␊ |
1204 | {␊ |
1205 | ␉// detected filesystem type;␊ |
1206 | ␉int result = -1;␊ |
1207 | #ifndef NO_WIN_SUPPORT␊ |
1208 | ␉int fatbits;␊ |
1209 | #endif␊ |
1210 | ␊ |
1211 | ␉// Allocating buffer for 4 sectors.␊ |
1212 | ␉const void * probeBuffer = malloc(PROBEFS_SIZE);␊ |
1213 | ␉if (probeBuffer == NULL)␊ |
1214 | ␉␉goto exit;␊ |
1215 | ␉␊ |
1216 | ␉// Reading first 4 sectors of current partition␊ |
1217 | ␉int error = readBytes(biosdev, blkoff, 0, PROBEFS_SIZE, (void *)probeBuffer);␊ |
1218 | ␉if (error)␊ |
1219 | ␉␉goto exit;␊ |
1220 | ␉␊ |
1221 | ␉if (HFSProbe(probeBuffer))␊ |
1222 | ␉␉result = FDISK_HFS;␊ |
1223 | #ifndef NO_LINUX_SUPPORT␊ |
1224 | ␉else if (EX2Probe(probeBuffer))␊ |
1225 | ␉␉result = FDISK_LINUX;␊ |
1226 | #endif␊ |
1227 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1228 | ␉else if (FreeBSDProbe(probeBuffer))␊ |
1229 | ␉␉result = FDISK_FREEBSD;␊ |
1230 | ␉else if (OpenBSDProbe(probeBuffer))␊ |
1231 | ␉␉result = FDISK_OPENBSD;␊ |
1232 | #endif␊ |
1233 | #ifndef NO_HAIKU_SUPPORT␊ |
1234 | ␉else if (BeFSProbe(probeBuffer))␊ |
1235 | ␉␉result = FDISK_BEFS;␊ |
1236 | #endif␊ |
1237 | #ifndef NO_WIN_SUPPORT␊ |
1238 | ␉else if (NTFSProbe(probeBuffer))␊ |
1239 | ␉␉result = FDISK_NTFS;␊ |
1240 | ␉else if ((fatbits=MSDOSProbe(probeBuffer)))␊ |
1241 | ␉{␊ |
1242 | ␉␉switch (fatbits)␊ |
1243 | ␉␉{␊ |
1244 | ␉␉␉case 32:␊ |
1245 | ␉␉␉default:␊ |
1246 | ␉␉␉␉result = FDISK_FAT32;␊ |
1247 | ␉␉␉␉break;␊ |
1248 | ␉␉␉case 16:␊ |
1249 | ␉␉␉␉result = FDISK_DOS16B;␊ |
1250 | ␉␉␉␉break;␊ |
1251 | ␉␉␉case 12:␊ |
1252 | ␉␉␉␉result = FDISK_DOS12;␊ |
1253 | ␉␉␉␉break;␉␉␉ ␊ |
1254 | ␉␉}␊ |
1255 | ␉}␊ |
1256 | #endif␊ |
1257 | ␉else␊ |
1258 | ␉␉// Couldn't detect filesystem type␊ |
1259 | ␉␉result = 0;␊ |
1260 | ␉␊ |
1261 | exit:␊ |
1262 | ␉if (probeBuffer != NULL) free((void *)probeBuffer);␊ |
1263 | ␉return result;␊ |
1264 | }␊ |
1265 | ␊ |
1266 | static bool isPartitionUsed(gpt_ent * partition)␊ |
1267 | {␊ |
1268 | //␊ |
1269 | // Ask whether the given partition is used.␊ |
1270 | //␊ |
1271 | ␉␊ |
1272 | return efi_guid_is_null((EFI_GUID const*)partition->ent_type) ? false : true;␊ |
1273 | }␊ |
1274 | ␊ |
1275 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1276 | ␊ |
1277 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr )␊ |
1278 | {␊ |
1279 | ␉if (biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) ␊ |
1280 | ␉␉return NULL;␊ |
1281 | ␉␊ |
1282 | struct DiskBVMap * map = NULL;␊ |
1283 | void *buffer = malloc(BPS);␊ |
1284 | if (!buffer) {␊ |
1285 | goto scanErr;␊ |
1286 | }␊ |
1287 | int error;␉␊ |
1288 | if ( (error = readBytes( biosdev, /*secno*/0, 0, BPS, buffer )) != 0) {␊ |
1289 | DBG("Failed to read boot sector from BIOS device %02xh. Error=%d\n", biosdev, error);␊ |
1290 | goto scanErr;␊ |
1291 | }␊ |
1292 | struct REAL_disk_blk0 *fdiskMap = buffer;␊ |
1293 | if ( OSSwapLittleToHostInt16(fdiskMap->signature) != DISK_SIGNATURE )␊ |
1294 | {␊ |
1295 | verbose("Failed to find boot signature on BIOS device %02xh\n", biosdev);␊ |
1296 | goto scanErr;␊ |
1297 | }␊ |
1298 | ␉␊ |
1299 | int fdiskID = 0;␊ |
1300 | unsigned index;␊ |
1301 | for ( index = 0; index < FDISK_NPART; index++ )␊ |
1302 | {␊ |
1303 | if ( fdiskMap->parts[index].systid )␊ |
1304 | {␊ |
1305 | if ( fdiskMap->parts[index].systid == 0xEE )␊ |
1306 | {␊ |
1307 | // Fail if two 0xEE partitions are present which␊ |
1308 | // means the FDISK code will wind up parsing it.␊ |
1309 | if ( fdiskID ) goto scanErr;␊ |
1310 | ␉␉␉␉␊ |
1311 | fdiskID = index + 1;␊ |
1312 | }␊ |
1313 | }␊ |
1314 | }␊ |
1315 | ␉␊ |
1316 | if ( fdiskID == 0 ) goto scanErr;␊ |
1317 | DBG("Attempting to read GPT\n");␊ |
1318 | ␉␊ |
1319 | if(readBytes(biosdev, 1, 0, BPS, buffer) != 0)␊ |
1320 | goto scanErr;␊ |
1321 | ␊ |
1322 | gpt_hdr *headerMap = buffer;␊ |
1323 | ␉␊ |
1324 | // Determine whether the partition header signature is present.␊ |
1325 | ␉␊ |
1326 | if ( memcmp(headerMap->hdr_sig, GPT_HDR_SIG, strlen(GPT_HDR_SIG)) )␊ |
1327 | {␊ |
1328 | goto scanErr;␊ |
1329 | }␊ |
1330 | ␉␊ |
1331 | // Determine whether the partition header size is valid.␊ |
1332 | ␉␊ |
1333 | UInt32 headerCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_self);␊ |
1334 | UInt32 headerSize = OSSwapLittleToHostInt32(headerMap->hdr_size);␊ |
1335 | ␉␊ |
1336 | if ( headerSize < offsetof(gpt_hdr, padding) )␊ |
1337 | {␊ |
1338 | goto scanErr;␊ |
1339 | }␊ |
1340 | ␉␊ |
1341 | if ( headerSize > BPS )␊ |
1342 | {␊ |
1343 | goto scanErr;␊ |
1344 | }␊ |
1345 | ␉␊ |
1346 | // Determine whether the partition header checksum is valid.␊ |
1347 | ␉␊ |
1348 | headerMap->hdr_crc_self = 0;␊ |
1349 | ␉␊ |
1350 | if ( crc32(0, headerMap, headerSize) != headerCheck )␊ |
1351 | {␊ |
1352 | goto scanErr;␊ |
1353 | }␊ |
1354 | ␉␊ |
1355 | // Determine whether the partition entry size is valid.␊ |
1356 | ␉␊ |
1357 | UInt64 gptBlock = 0;␊ |
1358 | //UInt32 gptCheck = 0;␊ |
1359 | UInt32 gptCount = 0;␊ |
1360 | UInt32 gptID = 0;␊ |
1361 | gpt_ent * gptMap = 0;␊ |
1362 | UInt32 gptSize = 0;␊ |
1363 | ␉␊ |
1364 | gptBlock = OSSwapLittleToHostInt64(headerMap->hdr_lba_table);␊ |
1365 | //gptCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_table);␊ |
1366 | gptCount = OSSwapLittleToHostInt32(headerMap->hdr_entries);␊ |
1367 | gptSize = OSSwapLittleToHostInt32(headerMap->hdr_entsz);␊ |
1368 | ␉␊ |
1369 | if ( gptSize < sizeof(gpt_ent) )␊ |
1370 | {␊ |
1371 | goto scanErr;␊ |
1372 | }␊ |
1373 | ␉␊ |
1374 | // Allocate a buffer large enough to hold one map, rounded to a media block.␊ |
1375 | free(buffer);␊ |
1376 | buffer = NULL;␊ |
1377 | ␉␊ |
1378 | UInt32 bufferSize = IORound(gptCount * gptSize, BPS);␊ |
1379 | if(bufferSize == 0)␊ |
1380 | goto scanErr;␊ |
1381 | buffer = malloc(bufferSize);␊ |
1382 | ␉if (!buffer) {␊ |
1383 | goto scanErr;␊ |
1384 | }␊ |
1385 | if(readBytes(biosdev, gptBlock, 0, bufferSize, buffer) != 0)␊ |
1386 | goto scanErr;␊ |
1387 | ␉␊ |
1388 | DBG("Read GPT\n");␊ |
1389 | ␉␊ |
1390 | // Allocate a new map for this BIOS device and insert it into the chain␊ |
1391 | map = malloc(sizeof(*map));␊ |
1392 | if (!map) {␊ |
1393 | goto scanErr;␊ |
1394 | }␊ |
1395 | map->biosdev = biosdev;␊ |
1396 | map->bvr = NULL;␊ |
1397 | map->bvrcnt = 0;␊ |
1398 | map->next = gDiskBVMap;␊ |
1399 | gDiskBVMap = map;␊ |
1400 | ␉␊ |
1401 | // fdisk like partition type id.␊ |
1402 | int fsType = 0;␊ |
1403 | ␊ |
1404 | for(gptID = 1; gptID <= gptCount; ++gptID)␊ |
1405 | {␊ |
1406 | ␉␉BVRef bvr = NULL;␊ |
1407 | ␉␉unsigned int bvrFlags = 0;␊ |
1408 | ␉␉␊ |
1409 | // size on disk can be larger than sizeof(gpt_ent)␊ |
1410 | gptMap = (gpt_ent *) ( buffer + ( (gptID - 1) * gptSize) );␊ |
1411 | ␉␉␊ |
1412 | // NOTE: EFI_GUID's are in LE and we know we're on an x86.␊ |
1413 | // The IOGUIDPartitionScheme.cpp code uses byte-based UUIDs, we don't.␊ |
1414 | ␉␉␊ |
1415 | if(isPartitionUsed(gptMap))␊ |
1416 | {␊ |
1417 | char stringuuid[100];␊ |
1418 | efi_guid_unparse_upper((EFI_GUID*)gptMap->ent_type, stringuuid, sizeof(stringuuid));␊ |
1419 | verbose("Reading GPT partition %d, type %s\n", gptID, stringuuid);␊ |
1420 | ␉␉␉␊ |
1421 | // Getting fdisk like partition type.␊ |
1422 | fsType = probeFileSystem(biosdev, gptMap->ent_lba_start);␊ |
1423 | ␉␉␉␊ |
1424 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1425 | ␉␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1426 | {␊ |
1427 | #ifdef BOOT_HELPER_SUPPORT␊ |
1428 | bvrFlags = (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ? kBVFlagBooter : 0;␊ |
1429 | #else␊ |
1430 | ␉␉␉␉if (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ␊ |
1431 | ␉␉␉␉␉continue;␊ |
1432 | ␉␉␉␉else ␊ |
1433 | ␉␉␉␉␉bvrFlags = 0;␊ |
1434 | ␊ |
1435 | #endif␊ |
1436 | bvr = newGPTBVRef(biosdev,␊ |
1437 | ␉␉␉␉␉␉␉␉ gptID,␊ |
1438 | ␉␉␉␉␉␉␉␉ gptMap->ent_lba_start,␊ |
1439 | ␉␉␉␉␉␉␉␉ gptMap,␊ |
1440 | ␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1441 | ␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1442 | ␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1443 | ␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1444 | ␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1445 | ␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1446 | ␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1447 | ␉␉␉␉␉␉␉␉ HFSFree,␊ |
1448 | ␉␉␉␉␉␉␉␉ 0,␊ |
1449 | ␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, bvrFlags);␊ |
1450 | }␊ |
1451 | ␉␉␉␊ |
1452 | ␉␉␉// zef - foreign OS support␊ |
1453 | if ( (efi_guid_compare(&GPT_BASICDATA_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1454 | ␉␉␉␉(efi_guid_compare(&GPT_BASICDATA2_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1455 | {␊ |
1456 | ␉␉␉␉␊ |
1457 | ␉␉␉␉switch (fsType)␊ |
1458 | ␉␉␉␉{␊ |
1459 | #ifndef NO_WIN_SUPPORT␊ |
1460 | ␊ |
1461 | ␉␉␉␉␉case FDISK_NTFS:␊ |
1462 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1463 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, NTFSGetDescription,␊ |
1464 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1465 | ␉␉␉␉␉␉break;␊ |
1466 | #endif␊ |
1467 | ␉␉␉␉␉default:␊ |
1468 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1469 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, 0,␊ |
1470 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1471 | ␉␉␉␉␉␉break;␊ |
1472 | ␉␉␉␉}␊ |
1473 | ␉␉␉␉␊ |
1474 | }␊ |
1475 | ␉␉␉␊ |
1476 | // turbo - save our booter partition␊ |
1477 | // zef - only on original boot device␊ |
1478 | if ( (efi_guid_compare(&GPT_EFISYS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1479 | {␊ |
1480 | ␉␉␉␉switch (fsType)␊ |
1481 | ␉␉␉␉{␊ |
1482 | ␉␉␉␉␉case FDISK_HFS:␊ |
1483 | ␉␉␉␉␉␉if (readBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1484 | ␉␉␉␉␉␉{␊ |
1485 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1486 | ␉␉␉␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1487 | ␉␉␉␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1488 | ␉␉␉␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1489 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1490 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1491 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1492 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1493 | ␉␉␉␉␉␉␉␉␉␉␉ HFSFree,␊ |
1494 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1495 | ␉␉␉␉␉␉}␊ |
1496 | ␉␉␉␉␉␉break;␊ |
1497 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
1498 | ␉␉␉␉␉case FDISK_FAT32:␊ |
1499 | ␉␉␉␉␉␉if (testFAT32EFIBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1500 | ␉␉␉␉␉␉{␊ |
1501 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1502 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSInitPartition,␊ |
1503 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSLoadFile,␊ |
1504 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSReadFile,␊ |
1505 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDirEntry,␊ |
1506 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetFileBlock,␊ |
1507 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetUUID,␊ |
1508 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDescription,␊ |
1509 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSFree,␊ |
1510 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1511 | ␉␉␉␉␉␉}␊ |
1512 | ␉␉␉␉␉␉break;␊ |
1513 | #endif␊ |
1514 | ␉␉␉␉␉default:␉␉␉␉␉␉␊ |
1515 | ␉␉␉␉␉␉if (biosdev == (int)get_env(envgBIOSDev))␊ |
1516 | ␉␉␉␉␉␉␉safe_set_env(envgBIOSBootVolume, (uint32_t)bvr);␊ |
1517 | ␉␉␉␉␉␉break;␊ |
1518 | ␉␉␉␉}␊ |
1519 | } ␊ |
1520 | ␉␉␉␊ |
1521 | ␉␉␉if (bvr)␊ |
1522 | ␉␉␉{␊ |
1523 | ␉␉␉␉// Fixup bvr with the fake fdisk partition type.␊ |
1524 | ␉␉␉␉if (fsType > 0) bvr->part_type = fsType;␊ |
1525 | ␉␉␉␉␊ |
1526 | ␉␉␉␉bvr->next = map->bvr;␊ |
1527 | ␉␉␉␉map->bvr = bvr;␊ |
1528 | ␉␉␉␉++map->bvrcnt;␊ |
1529 | ␉␉␉}␊ |
1530 | ␉␉␉␊ |
1531 | }␊ |
1532 | }␊ |
1533 | ␉␊ |
1534 | scanErr:␊ |
1535 | if (buffer) free(buffer);␊ |
1536 | ␉␊ |
1537 | if(map)␊ |
1538 | {␊ |
1539 | if(countPtr) *countPtr = map->bvrcnt;␊ |
1540 | return map->bvr;␊ |
1541 | }␊ |
1542 | else␊ |
1543 | {␊ |
1544 | if(countPtr) *countPtr = 0;␊ |
1545 | return NULL;␊ |
1546 | }␊ |
1547 | }␊ |
1548 | ␊ |
1549 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id )␊ |
1550 | {␊ |
1551 | ␉if(dict->type != kTagTypeArray) return 0;␊ |
1552 | ␉␊ |
1553 | ␉int element = 0;␊ |
1554 | ␉TagPtr tmp = dict->tag;␊ |
1555 | ␉int entry_count = XMLTagCount(dict);␊ |
1556 | ␉␊ |
1557 | ␉while(element < entry_count)␊ |
1558 | ␉{␊ |
1559 | ␉␉char *Identifier = NULL;␊ |
1560 | ␉␉Identifier = XMLCastString(XMLGetProperty(tmp, (const char*)"Identifier"));␊ |
1561 | ␉␉␊ |
1562 | ␉␉if (Identifier && (strcmp(Identifier, id) == 0))␊ |
1563 | ␉␉{␉␉␉␊ |
1564 | ␉␉␉return tmp;␊ |
1565 | ␉␉}␊ |
1566 | ␉␉␊ |
1567 | ␉␉element++;␊ |
1568 | ␉␉tmp = tmp->tagNext;␊ |
1569 | ␉}␊ |
1570 | ␉␊ |
1571 | ␉return tmp;␊ |
1572 | }␊ |
1573 | ␊ |
1574 | static bool getOSInstallVersion(const char *dirSpec, char *str, config_file_t *systemVersion)␊ |
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) ␊ |
1591 | ␉␉␉{␊ |
1592 | ␉␉␉␉version = XMLCastString(XMLGetProperty(␊ |
1593 | ␉␉␉␉␉␉␉␉␉␉␉␉␉ XMLGetElementWithID(pkg_p, ␊ |
1594 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉ "com.apple.pkg.CompatibilityUpdate"), ␊ |
1595 | ␉␉␉␉␉␉␉␉␉␉␉␉␉ (const char*)"Version"));␊ |
1596 | ␉␉␉}␊ |
1597 | ␊ |
1598 | if (version && strlen(version) >= 4) ␊ |
1599 | {␊ |
1600 | *str = '\0';␊ |
1601 | strncat(str, version, 4);␊ |
1602 | return true;␊ |
1603 | ␊ |
1604 | }␉␉␉␉␉␉␊ |
1605 | }␉␉␉␉␉␊ |
1606 | }␊ |
1607 | ␊ |
1608 | return false;␊ |
1609 | }␊ |
1610 | ␊ |
1611 | static bool getOSInstallURL(BVRef bvr, const char *dirSpec, config_file_t *config_file)␊ |
1612 | {␊ |
1613 | if (!loadConfigFile(dirSpec, config_file))␊ |
1614 | {␊ |
1615 | char *encoded_url = XMLCastString(XMLGetProperty(config_file->dictionary, (const char*)"Product URL"));␊ |
1616 | ␉␉␊ |
1617 | ␉␉if (!encoded_url) {␊ |
1618 | ␉␉␉goto out;␊ |
1619 | ␉␉}␊ |
1620 | ␉␉␊ |
1621 | ␉␉DBG("encoded_url %s\n",encoded_url);␊ |
1622 | ␉␉␊ |
1623 | ␉␉//char * dev_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"; // strlen = 36␉␉␉␊ |
1624 | ␉␉␊ |
1625 | ␉␉//char * osx_product = "x-osproduct://";␉// strlen = 14␉␉␉␊ |
1626 | ␉␉␊ |
1627 | ␉␉char * val = &encoded_url[(36+14)+1];␊ |
1628 | ␉␉␊ |
1629 | ␉␉DBG("val %s\n",val);␊ |
1630 | ␉␉␊ |
1631 | ␉␉char * buffer = newStringFromURL(val);␊ |
1632 | ␉␉␊ |
1633 | ␉␉if (!buffer) ␊ |
1634 | ␉␉{␊ |
1635 | ␉␉␉goto out;␊ |
1636 | ␉␉}␊ |
1637 | ␉␉␊ |
1638 | ␉␉DBG("buffer %s\n",buffer);␉␉␉␉␊ |
1639 | ␉␉␊ |
1640 | ␉␉strlcpy(bvr->OSInstall, buffer, sizeof(bvr->OSInstall));␊ |
1641 | ␉␉␊ |
1642 | ␉␉free(buffer);␊ |
1643 | ␉␉␊ |
1644 | ␉␉return true;␊ |
1645 | }␊ |
1646 | out:␊ |
1647 | return false;␊ |
1648 | }␊ |
1649 | ␊ |
1650 | static bool getOSVersion(BVRef bvr, char *str)␊ |
1651 | {␊ |
1652 | ␉bool valid = false;␉␊ |
1653 | ␉config_file_t config_file;␊ |
1654 | ␉char dirSpec[512];␉␊ |
1655 | ␉␊ |
1656 | ␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/System/Library/CoreServices/SystemVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1657 | ␉␊ |
1658 | ␉if (!loadConfigFile(dirSpec, &config_file))␊ |
1659 | ␉{␊ |
1660 | ␉␉valid = true;␊ |
1661 | ␉}␊ |
1662 | ␉else ␊ |
1663 | ␉{␊ |
1664 | ␉␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/System/Library/CoreServices/ServerVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1665 | ␉␉␊ |
1666 | ␉␉if (!loadConfigFile(dirSpec, &config_file))␊ |
1667 | ␉␉{␉␊ |
1668 | bvr->OSisServer = true;␊ |
1669 | ␉␉␉valid = true;␊ |
1670 | ␉␉}␊ |
1671 | ␉␉else ␊ |
1672 | ␉␉{␊ |
1673 | ␉␉␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/.IAProductInfo", BIOS_DEV_UNIT(bvr), bvr->part_no); ␊ |
1674 | ␉␉␉DBG("dirSpec %s\n",dirSpec);␊ |
1675 | ␊ |
1676 | ␉␉␉if (!loadConfigFile(dirSpec, &config_file))␊ |
1677 | ␉␉␉{␉␊ |
1678 | ␉␉␉␉if (getOSInstallURL(bvr, dirSpec, &config_file)) ␊ |
1679 | ␉␉␉␉{␊ |
1680 | ␉␉␉␉␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/%s/index.sproduct", BIOS_DEV_UNIT(bvr), bvr->part_no, bvr->OSInstall); ␊ |
1681 | ␉␉␉␉␉␊ |
1682 | ␉␉␉␉␉DBG("dirSpec %s\n",dirSpec);␊ |
1683 | ␉␉␉␉␉␊ |
1684 | ␉␉␉␉␉if (!getOSInstallVersion(dirSpec, str, &config_file))␊ |
1685 | ␉␉␉␉␉␉return false;␊ |
1686 | ␉␉␉␉␉else␊ |
1687 | ␉␉␉␉␉␉return true;␊ |
1688 | ␉␉␉␉}␊ |
1689 | ␉␉␉}␊ |
1690 | ␉␉}␊ |
1691 | ␉}␊ |
1692 | ␉␊ |
1693 | ␉if (valid)␊ |
1694 | ␉{␉␉␊ |
1695 | ␉␉const char *val;␊ |
1696 | ␉␉int len;␊ |
1697 | ␉␉␊ |
1698 | ␉␉if (getValueForKey(kProductVersion, &val, &len, &config_file))␊ |
1699 | ␉␉{␊ |
1700 | ␉␉␉// getValueForKey uses const char for val␊ |
1701 | ␉␉␉// so copy it and trim␊ |
1702 | ␉␉␉*str = '\0';␊ |
1703 | ␉␉␉strncat(str, val, MIN(len, 4));␊ |
1704 | ␉␉}␊ |
1705 | ␉␉else␊ |
1706 | ␉␉␉valid = false;␊ |
1707 | ␉}␊ |
1708 | ␉␊ |
1709 | ␉return valid;␊ |
1710 | }␊ |
1711 | ␊ |
1712 | static bool CheckDarwin(BVRef bvr)␊ |
1713 | {␊ |
1714 | long flags, time, ret = -1; ␊ |
1715 | ␊ |
1716 | char dirspec[128];␊ |
1717 | ␊ |
1718 | char *kdirspec[] = {␊ |
1719 | ␉␉"hd(%d,%d)/mach_kernel",␊ |
1720 | #if UNUSED␊ |
1721 | ␉␉"hd(%d,%d)/System/Library/CoreServices/mach_kernel" ␊ |
1722 | #endif␊ |
1723 | ␉};␊ |
1724 | ␊ |
1725 | bvr->kernelfound = true;␊ |
1726 | ␊ |
1727 | snprintf(dirspec,sizeof(dirspec),kdirspec[0],BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1728 | ␊ |
1729 | ret = GetFileInfo(NULL, dirspec, &flags, &time);␊ |
1730 | ␊ |
1731 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
1732 | #if UNUSED␊ |
1733 | ␊ |
1734 | snprintf(dirspec,sizeof(dirspec),kdirspec[1],BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1735 | ␊ |
1736 | ret = GetFileInfo(NULL, dirspec, &flags, &time); ␊ |
1737 | ␊ |
1738 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) ␊ |
1739 | #endif␊ |
1740 | {␊ |
1741 | bvr->kernelfound = false; // Non fatal, let the booter determine the directory ␊ |
1742 | }␊ |
1743 | ␊ |
1744 | } ␊ |
1745 | ␊ |
1746 | if (bvr->kernelfound == true) {␊ |
1747 | DBG("Kernel found !!, path : %s\n",dirspec);␊ |
1748 | }␊ |
1749 | ␊ |
1750 | ␊ |
1751 | return getOSVersion(bvr,bvr->OSVersion);␊ |
1752 | }␊ |
1753 | ␊ |
1754 | //==========================================================================␊ |
1755 | ␊ |
1756 | static void scanFSLevelBVRSettings(BVRef chain)␊ |
1757 | {␊ |
1758 | ␉BVRef bvr;␊ |
1759 | #ifdef BOOT_HELPER_SUPPORT␊ |
1760 | int ret;␊ |
1761 | ␉char label[BVSTRLEN];␊ |
1762 | ␉char dirSpec[256];␊ |
1763 | ␉int fh, fileSize, error;␊ |
1764 | #endif␊ |
1765 | ␉for (bvr = chain; bvr < (BVRef)ULONG_MAX; bvr = bvr->next) {␊ |
1766 | if (!bvr) {␊ |
1767 | break;␊ |
1768 | }␊ |
1769 | #ifdef BOOT_HELPER_SUPPORT␊ |
1770 | ␉␉error = 0;␊ |
1771 | ␊ |
1772 | ␉␉//␊ |
1773 | ␉␉// Check for alternate volume label on boot helper partitions.␊ |
1774 | ␉␉//␊ |
1775 | ␉␉if (bvr->flags & kBVFlagBooter)␊ |
1776 | ␉␉{␊ |
1777 | ␉␉␉snprintf(dirSpec, sizeof(dirsSpec),"hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1778 | ␉␉␉strlcpy(fileSpec, ".disk_label.contentDetails", sizeof(fileSpec));␊ |
1779 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1780 | ␉␉␉if (!ret)␊ |
1781 | ␉␉␉{␊ |
1782 | ␉␉␉␉strlcat(dirSpec, fileSpec, sizeof(dirSpec));␊ |
1783 | ␊ |
1784 | ␉␉␉␉fh = open(dirSpec);␊ |
1785 | ␉␉␉␉fileSize = file_size(fh);␊ |
1786 | ␉␉␉␉if (fileSize > 0 && fileSize < BVSTRLEN)␊ |
1787 | ␉␉␉␉{␊ |
1788 | ␉␉␉␉␉if (read(fh, label, fileSize) != fileSize)␊ |
1789 | ␉␉␉␉␉␉error = -1;␊ |
1790 | ␉␉␉␉}␊ |
1791 | ␉␉␉␉else␊ |
1792 | ␉␉␉␉␉error = -1;␊ |
1793 | ␉␉␉␉␊ |
1794 | ␉␉␉␉close(fh);␊ |
1795 | ␉␉␉␉␊ |
1796 | ␉␉␉␉if (!error)␊ |
1797 | ␉␉␉␉{␊ |
1798 | ␉␉␉␉␉label[fileSize] = '\0';␊ |
1799 | ␉␉␉␉␉strlcpy(bvr->altlabel, label, sizeof(bvr->altlabel));␊ |
1800 | ␉␉␉␉}␊ |
1801 | ␉␉␉}␊ |
1802 | ␉␉}␊ |
1803 | #endif␊ |
1804 | ␉␉//␊ |
1805 | ␉␉// Check for SystemVersion.plist or ServerVersion.plist␊ |
1806 | ␉␉// to determine if a volume hosts an installed system.␊ |
1807 | ␉␉//␊ |
1808 | ␉␉if (bvr->flags & kBVFlagNativeBoot)␊ |
1809 | ␉␉{␊ |
1810 | ␉␉␉if (CheckDarwin(bvr) == true)␊ |
1811 | ␉␉␉{␊ |
1812 | ␉␉␉␉bvr->flags |= kBVFlagSystemVolume;␊ |
1813 | ␉␉␉}␊ |
1814 | ␉␉}␊ |
1815 | ␉␉␊ |
1816 | ␉}␊ |
1817 | }␊ |
1818 | #ifndef OPTION_ROM␊ |
1819 | void rescanBIOSDevice(int biosdev)␊ |
1820 | {␊ |
1821 | ␉struct DiskBVMap *oldMap = diskResetBootVolumes(biosdev);␊ |
1822 | ␉CacheReset();␊ |
1823 | ␉diskFreeMap(oldMap);␊ |
1824 | ␉oldMap = NULL;␊ |
1825 | ␉scanBootVolumes(biosdev, 0);␊ |
1826 | }␊ |
1827 | #endif␊ |
1828 | ␊ |
1829 | struct DiskBVMap* diskResetBootVolumes(int biosdev)␊ |
1830 | {␊ |
1831 | struct DiskBVMap * map;␊ |
1832 | struct DiskBVMap *prevMap = NULL;␊ |
1833 | for ( map = gDiskBVMap; map; prevMap = map, map = map->next ) {␊ |
1834 | if ( biosdev == map->biosdev ) {␊ |
1835 | break;␊ |
1836 | }␊ |
1837 | }␊ |
1838 | if(map != NULL)␊ |
1839 | {␊ |
1840 | verbose("Resetting BIOS device %xh\n", biosdev);␊ |
1841 | // Reset the biosbuf cache␊ |
1842 | cache_valid = false;␊ |
1843 | if(map == gDiskBVMap)␊ |
1844 | gDiskBVMap = map->next;␊ |
1845 | else if(prevMap != NULL)␊ |
1846 | prevMap->next = map->next;␊ |
1847 | else␊ |
1848 | stop("");␊ |
1849 | }␊ |
1850 | // Return the old map, either to be freed, or reinserted later␊ |
1851 | return map;␊ |
1852 | }␊ |
1853 | ␊ |
1854 | // Frees a DiskBVMap and all of its BootVolume's␊ |
1855 | void diskFreeMap(struct DiskBVMap *map)␊ |
1856 | {␊ |
1857 | if(map != NULL)␊ |
1858 | {␊ |
1859 | while(map->bvr != NULL)␊ |
1860 | {␊ |
1861 | BVRef bvr = map->bvr;␊ |
1862 | map->bvr = bvr->next;␊ |
1863 | (*bvr->bv_free)(bvr);␊ |
1864 | }␊ |
1865 | free(map);␊ |
1866 | }␊ |
1867 | }␊ |
1868 | ␊ |
1869 | BVRef diskScanBootVolumes( int biosdev, int * countPtr )␊ |
1870 | {␊ |
1871 | struct DiskBVMap * map;␊ |
1872 | BVRef bvr;␊ |
1873 | int count = 0;␊ |
1874 | ␉␊ |
1875 | // Find an existing mapping for this device.␊ |
1876 | ␉␊ |
1877 | for ( map = gDiskBVMap; map; map = map->next ) {␊ |
1878 | if ( biosdev == map->biosdev ) {␊ |
1879 | count = map->bvrcnt;␊ |
1880 | break;␊ |
1881 | }␊ |
1882 | }␊ |
1883 | ␉␊ |
1884 | if (map == NULL) {␊ |
1885 | bvr = diskScanGPTBootVolumes(biosdev, &count);␊ |
1886 | if (bvr == NULL) {␊ |
1887 | ␉␉␉bvr = diskScanFDiskBootVolumes(biosdev, &count);␊ |
1888 | }␊ |
1889 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1890 | if (bvr == NULL) {␊ |
1891 | ␉␉␉bvr = diskScanAPMBootVolumes(biosdev, &count);␊ |
1892 | }␊ |
1893 | #endif␊ |
1894 | if (bvr)␊ |
1895 | {␊ |
1896 | ␉␉␉scanFSLevelBVRSettings(bvr);␊ |
1897 | }␊ |
1898 | } else {␊ |
1899 | bvr = map->bvr;␊ |
1900 | }␊ |
1901 | if (countPtr) *countPtr += count;␊ |
1902 | return bvr;␊ |
1903 | }␊ |
1904 | ␊ |
1905 | BVRef getBVChainForBIOSDev(int biosdev)␊ |
1906 | {␊ |
1907 | ␉BVRef chain = NULL;␊ |
1908 | ␉struct DiskBVMap * map = NULL;␊ |
1909 | ␉␊ |
1910 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1911 | ␉{␊ |
1912 | ␉␉if (map->biosdev == biosdev)␊ |
1913 | ␉␉{␊ |
1914 | ␉␉␉chain = map->bvr;␊ |
1915 | ␉␉␉break;␊ |
1916 | ␉␉}␊ |
1917 | ␉}␊ |
1918 | ␉␊ |
1919 | ␉return chain;␊ |
1920 | }␊ |
1921 | ␊ |
1922 | BVRef newFilteredBVChain(int minBIOSDev, int maxBIOSDev, unsigned int allowFlags, unsigned int denyFlags, int *count)␊ |
1923 | {␊ |
1924 | ␉BVRef chain = NULL;␊ |
1925 | ␉BVRef bvr = NULL;␊ |
1926 | ␉BVRef newBVR = NULL;␊ |
1927 | ␉BVRef prevBVR = NULL;␊ |
1928 | ␉␊ |
1929 | ␉struct DiskBVMap * map = NULL;␊ |
1930 | ␉int bvCount = 0;␊ |
1931 | ␉␊ |
1932 | ␉const char *raw = 0;␊ |
1933 | ␉char* val = 0;␊ |
1934 | ␉int len;␊ |
1935 | ␊ |
1936 | ␉getValueForKey(kHidePartition, &raw, &len, DEFAULT_BOOT_CONFIG);␊ |
1937 | ␉if(raw)␊ |
1938 | ␉{␊ |
1939 | ␉␉val = XMLDecode(raw); ␊ |
1940 | ␉}␊ |
1941 | ␉␊ |
1942 | ␉/*␊ |
1943 | ␉ * Traverse gDISKBVmap to get references for␊ |
1944 | ␉ * individual bvr chains of each drive.␊ |
1945 | ␉ */␊ |
1946 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1947 | ␉{␊ |
1948 | ␉␉for (bvr = map->bvr; bvr; bvr = bvr->next)␊ |
1949 | ␉␉{␊ |
1950 | ␉␉␉/*␊ |
1951 | ␉␉␉ * Save the last bvr.␊ |
1952 | ␉␉␉ */␊ |
1953 | ␉␉␉if (newBVR) prevBVR = newBVR;␊ |
1954 | ␉␉␉␊ |
1955 | ␉␉␉/*␊ |
1956 | ␉␉␉ * Allocate and copy the matched bvr entry into a new one.␊ |
1957 | ␉␉␉ */␊ |
1958 | ␉␉␉newBVR = (BVRef) malloc(sizeof(*newBVR));␊ |
1959 | if (!newBVR) {␊ |
1960 | continue;␊ |
1961 | }␊ |
1962 | ␉␉␉bcopy(bvr, newBVR, sizeof(*newBVR));␊ |
1963 | ␉␉␉␊ |
1964 | ␉␉␉/*␊ |
1965 | ␉␉␉ * Adjust the new bvr's fields.␊ |
1966 | ␉␉␉ */␊ |
1967 | ␉␉␉newBVR->next = NULL;␊ |
1968 | ␉␉␉newBVR->filtered = true;␊ |
1969 | ␉␉␉␊ |
1970 | ␉␉␉if ( (!allowFlags || newBVR->flags & allowFlags)␊ |
1971 | ␉␉␉␉&& (!denyFlags || !(newBVR->flags & denyFlags) )␊ |
1972 | ␉␉␉␉&& (newBVR->biosdev >= minBIOSDev && newBVR->biosdev <= maxBIOSDev)␊ |
1973 | ␉␉␉␉)␊ |
1974 | ␉␉␉␉newBVR->visible = true;␊ |
1975 | ␉␉␉␊ |
1976 | ␉␉␉/* Looking for "Hide Partition" entries in 'hd(x,y)|uuid|"label" hd(m,n)|uuid|"label"' format␊ |
1977 | ␉␉␉ * to be able to hide foreign partitions from the boot menu.␊ |
1978 | ␉␉␉ */␊ |
1979 | ␉␉␉if ( (newBVR->flags & kBVFlagForeignBoot) )␊ |
1980 | ␉␉␉{␊ |
1981 | ␉␉␉␉char *start, *next = val;␊ |
1982 | ␉␉␉␉long len = 0; ␊ |
1983 | ␉␉␉␉do␊ |
1984 | ␉␉␉␉{␊ |
1985 | ␉␉␉␉␉start = strbreak(next, &next, &len);␊ |
1986 | ␉␉␉␉␉if(len && matchVolumeToString(newBVR, start, len) )␊ |
1987 | ␉␉␉␉␉␉newBVR->visible = false;␊ |
1988 | ␉␉␉␉}␊ |
1989 | ␉␉␉␉while ( next && *next );␊ |
1990 | ␉␉␉}␊ |
1991 | ␉␉␉␊ |
1992 | ␉␉␉/*␊ |
1993 | ␉␉␉ * Use the first bvr entry as the starting chain pointer.␊ |
1994 | ␉␉␉ */␊ |
1995 | ␉␉␉if (!chain)␊ |
1996 | ␉␉␉␉chain = newBVR;␊ |
1997 | ␉␉␉␊ |
1998 | ␉␉␉/*␊ |
1999 | ␉␉␉ * Update the previous bvr's link pointer to use the new memory area.␊ |
2000 | ␉␉␉ */␊ |
2001 | ␉␉␉if (prevBVR)␊ |
2002 | ␉␉␉␉prevBVR->next = newBVR;␊ |
2003 | ␉␉␉␊ |
2004 | ␉␉␉if (newBVR->visible)␊ |
2005 | ␉␉␉␉bvCount++;␊ |
2006 | ␉␉}␊ |
2007 | ␉}␊ |
2008 | ␉␊ |
2009 | #if DEBUG␊ |
2010 | ␉for (bvr = chain; bvr < (BVRef)ULONG_MAX; bvr = bvr->next) {␊ |
2011 | if (!bvr) {␊ |
2012 | break;␊ |
2013 | }␊ |
2014 | ␉␉printf(" bvr: %p, dev: %d, part: %d, flags: %d, vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->visible);␊ |
2015 | ␉}␊ |
2016 | ␉printf("count: %d\n", bvCount);␊ |
2017 | ␉getc();␊ |
2018 | #endif␊ |
2019 | ␉␊ |
2020 | ␉*count = bvCount;␊ |
2021 | ␉␊ |
2022 | ␉free(val); ␊ |
2023 | ␉return chain;␊ |
2024 | }␊ |
2025 | ␊ |
2026 | int freeFilteredBVChain(const BVRef chain)␊ |
2027 | {␊ |
2028 | ␉int ret = 1;␊ |
2029 | ␉BVRef bvr = chain;␊ |
2030 | ␉BVRef nextBVR = NULL;␉␊ |
2031 | ␊ |
2032 | ␉while (bvr < (BVRef)ULONG_MAX)␊ |
2033 | ␉{␊ |
2034 | if (!bvr) {␊ |
2035 | break;␊ |
2036 | }␊ |
2037 | ␉␉nextBVR = bvr->next;␊ |
2038 | ␉␉␊ |
2039 | ␉␉if (bvr->filtered)␊ |
2040 | ␉␉{␊ |
2041 | ␉␉␉free(bvr);␊ |
2042 | ␉␉}␊ |
2043 | ␉␉else␊ |
2044 | ␉␉{␊ |
2045 | ␉␉␉ret = 0;␊ |
2046 | ␉␉␉break;␊ |
2047 | ␉␉}␊ |
2048 | ␉␉␊ |
2049 | ␉␉bvr = nextBVR;␊ |
2050 | ␉}␊ |
2051 | ␉␊ |
2052 | ␉return ret;␊ |
2053 | }␊ |
2054 | ␊ |
2055 | //==========================================================================␊ |
2056 | ␊ |
2057 | static const struct NamedValue fdiskTypes[] =␊ |
2058 | {␊ |
2059 | #ifndef NO_WIN_SUPPORT␊ |
2060 | { FDISK_NTFS, "Windows NTFS" },␊ |
2061 | ␉{ FDISK_DOS12, "Windows FAT12" },␊ |
2062 | ␉{ FDISK_DOS16B, "Windows FAT16" },␊ |
2063 | ␉{ FDISK_DOS16S, "Windows FAT16" },␊ |
2064 | ␉{ FDISK_DOS16SLBA, "Windows FAT16" },␊ |
2065 | ␉{ FDISK_SMALLFAT32, "Windows FAT32" },␊ |
2066 | ␉{ FDISK_FAT32, "Windows FAT32" },␊ |
2067 | #endif␊ |
2068 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
2069 | ␉{ FDISK_FREEBSD, "FreeBSD" },␊ |
2070 | { FDISK_OPENBSD, "OpenBSD" },␊ |
2071 | #endif␊ |
2072 | #ifndef NO_LINUX_SUPPORT␊ |
2073 | { FDISK_LINUX, "Linux" },␊ |
2074 | #endif␊ |
2075 | #ifdef UFS_SUPPORT␊ |
2076 | { FDISK_UFS, "Apple UFS" },␊ |
2077 | #endif␊ |
2078 | { FDISK_HFS, "Apple HFS" },␊ |
2079 | { FDISK_BOOTER, "Apple Boot/UFS" },␊ |
2080 | #ifndef NO_HAIKU_SUPPORT␊ |
2081 | ␉{ FDISK_BEFS, "Haiku" },␊ |
2082 | #endif␊ |
2083 | { 0xCD, "CD-ROM" },␊ |
2084 | { 0x00, 0 } /* must be last */␊ |
2085 | };␊ |
2086 | ␊ |
2087 | //==========================================================================␊ |
2088 | ␊ |
2089 | bool matchVolumeToString( BVRef bvr, const char* match, long matchLen)␊ |
2090 | {␊ |
2091 | ␉char testStr[128];␊ |
2092 | ␉␊ |
2093 | ␉if ( !bvr || !match || !*match)␊ |
2094 | ␉␉return 0;␊ |
2095 | ␉␊ |
2096 | ␉if ( bvr->biosdev < 0x80 || bvr->biosdev >= 0x100 )␊ |
2097 | return 0;␊ |
2098 | ␊ |
2099 | // Try to match hd(x,y) first.␊ |
2100 | snprintf(testStr, sizeof(testStr),"hd(%d,%d)", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
2101 | if ( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2102 | return true;␊ |
2103 | ␊ |
2104 | // Try to match volume UUID.␊ |
2105 | if ( bvr->fs_getuuid && bvr->fs_getuuid(bvr, testStr, sizeof(testStr)) == 0)␊ |
2106 | {␊ |
2107 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2108 | return true;␊ |
2109 | }␊ |
2110 | ␊ |
2111 | // Try to match volume label (always quoted).␊ |
2112 | if ( bvr->description )␊ |
2113 | {␊ |
2114 | bvr->description(bvr, testStr, sizeof(testStr)-1);␊ |
2115 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2116 | return true;␊ |
2117 | }␊ |
2118 | ␊ |
2119 | return false;␊ |
2120 | }␊ |
2121 | ␊ |
2122 | /* If Rename Partition has defined an alias, then extract it for description purpose␊ |
2123 | * The format for the rename string is the following:␊ |
2124 | * hd(x,y)|uuid|"label" "alias";hd(m,n)|uuid|"label" etc; ...␊ |
2125 | */␊ |
2126 | ␊ |
2127 | bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen)␊ |
2128 | {␊ |
2129 | char *aliasList, *entryStart, *entryNext;␊ |
2130 | ␊ |
2131 | if ( !str || strMaxLen <= 0)␊ |
2132 | return false;␊ |
2133 | ␊ |
2134 | aliasList = XMLDecode(getStringForKey(kRenamePartition, DEFAULT_BOOT_CONFIG));␊ |
2135 | if ( !aliasList )␊ |
2136 | return false;␊ |
2137 | ␊ |
2138 | for ( entryStart = entryNext = aliasList;␊ |
2139 | ␉␉ entryNext && *entryNext;␊ |
2140 | ␉␉ entryStart = entryNext )␊ |
2141 | {␊ |
2142 | char *volStart, *volEnd, *aliasStart;␊ |
2143 | long volLen, aliasLen;␊ |
2144 | ␊ |
2145 | // Delimit current entry␊ |
2146 | entryNext = strchr(entryStart, ';');␊ |
2147 | if ( entryNext )␊ |
2148 | {␊ |
2149 | *entryNext = '\0';␊ |
2150 | entryNext++;␊ |
2151 | }␊ |
2152 | ␊ |
2153 | volStart = strbreak(entryStart, &volEnd, &volLen);␊ |
2154 | if(!volLen)␊ |
2155 | continue;␊ |
2156 | ␊ |
2157 | aliasStart = strbreak(volEnd, 0, &aliasLen);␊ |
2158 | if(!aliasLen)␊ |
2159 | continue;␊ |
2160 | ␊ |
2161 | if ( matchVolumeToString(bvr, volStart, volLen) )␊ |
2162 | { ␊ |
2163 | strncat(str, aliasStart, min(strMaxLen, aliasLen));␊ |
2164 | free(aliasList);␊ |
2165 | ␉␉␉␊ |
2166 | return true;␊ |
2167 | }␊ |
2168 | }␊ |
2169 | ␊ |
2170 | free(aliasList);␊ |
2171 | return false;␊ |
2172 | }␊ |
2173 | ␊ |
2174 | void getBootVolumeDescription( BVRef bvr, char * str, long strMaxLen, bool useDeviceDescription )␊ |
2175 | {␊ |
2176 | unsigned char type;␊ |
2177 | char *p = str;␊ |
2178 | ␊ |
2179 | if(!bvr || !p || strMaxLen <= 0)␊ |
2180 | return;␊ |
2181 | ␊ |
2182 | type = (unsigned char) bvr->part_type;␊ |
2183 | ␉␊ |
2184 | if (useDeviceDescription)␊ |
2185 | {␊ |
2186 | int len = getDeviceDescription(bvr, str, strMaxLen);␊ |
2187 | if(len >= strMaxLen)␊ |
2188 | return;␊ |
2189 | ␊ |
2190 | strlcpy(str + len, " ", strMaxLen);␊ |
2191 | len++;␊ |
2192 | strMaxLen -= len;␊ |
2193 | p += len;␊ |
2194 | }␊ |
2195 | ␉␊ |
2196 | /* See if a partition rename is preferred */␊ |
2197 | if(getVolumeLabelAlias(bvr, p, strMaxLen)) {␊ |
2198 | strncpy(bvr->label, p, strMaxLen); ␊ |
2199 | return; // we're done here no need to seek for real name␊ |
2200 | }␊ |
2201 | ␉␊ |
2202 | //␊ |
2203 | // Get the volume label using filesystem specific functions␊ |
2204 | // or use the alternate volume label if available.␊ |
2205 | //␊ |
2206 | ␉if (*bvr->altlabel != '\0')␊ |
2207 | strncpy(p, bvr->altlabel, strMaxLen);␊ |
2208 | ␉else if (bvr->description)␊ |
2209 | bvr->description(bvr, p, strMaxLen);␊ |
2210 | ␉␊ |
2211 | if (*p == '\0') {␊ |
2212 | const char * name = getNameForValue( fdiskTypes, type );␊ |
2213 | if (name == NULL) {␊ |
2214 | name = bvr->type_name;␊ |
2215 | }␊ |
2216 | if (name == NULL) {␊ |
2217 | snprintf(p, strMaxLen, "TYPE %02x", type);␊ |
2218 | } else {␊ |
2219 | strncpy(p, name, strMaxLen);␊ |
2220 | }␊ |
2221 | }␊ |
2222 | ␊ |
2223 | // Set the devices label␊ |
2224 | snprintf(bvr->label, sizeof(bvr->label), p);␊ |
2225 | }␊ |
2226 | ␊ |
2227 | //==========================================================================␊ |
2228 | int readBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2229 | {␊ |
2230 | struct disk_blk0 * bootSector = (struct disk_blk0 *) buffer;␊ |
2231 | int error;␊ |
2232 | ␉␊ |
2233 | if ( bootSector == NULL )␊ |
2234 | {␊ |
2235 | if ( gBootSector == NULL )␊ |
2236 | {␊ |
2237 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2238 | if ( gBootSector == NULL ) return -1;␊ |
2239 | }␊ |
2240 | bootSector = gBootSector;␊ |
2241 | }␊ |
2242 | ␉␊ |
2243 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2244 | if ( error || bootSector->signature != DISK_SIGNATURE )␊ |
2245 | return -1;␊ |
2246 | ␉␊ |
2247 | return 0;␊ |
2248 | }␊ |
2249 | ␊ |
2250 | #ifndef NO_WIN_SUPPORT␊ |
2251 | /*␊ |
2252 | * Format of boot1f32 block.␊ |
2253 | */␊ |
2254 | ␊ |
2255 | #define BOOT1F32_MAGIC "BOOT "␊ |
2256 | #define BOOT1F32_MAGICLEN 11␊ |
2257 | ␊ |
2258 | struct disk_boot1f32_blk {␊ |
2259 | unsigned char init[3];␊ |
2260 | unsigned char fsheader[87];␊ |
2261 | unsigned char magic[BOOT1F32_MAGICLEN];␊ |
2262 | unsigned char bootcode[409];␊ |
2263 | unsigned short signature;␊ |
2264 | };␊ |
2265 | ␊ |
2266 | int testFAT32EFIBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2267 | {␊ |
2268 | struct disk_boot1f32_blk * bootSector = (struct disk_boot1f32_blk *) buffer;␊ |
2269 | int error;␊ |
2270 | ␉␊ |
2271 | if ( bootSector == NULL )␊ |
2272 | {␊ |
2273 | if ( gBootSector == NULL )␊ |
2274 | {␊ |
2275 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2276 | if ( gBootSector == NULL ) return -1;␊ |
2277 | }␊ |
2278 | bootSector = (struct disk_boot1f32_blk *) gBootSector;␊ |
2279 | }␊ |
2280 | ␉␊ |
2281 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2282 | if ( error || bootSector->signature != DISK_SIGNATURE␊ |
2283 | ␉␉|| strncmp((const char *)bootSector->magic, BOOT1F32_MAGIC, BOOT1F32_MAGICLEN) )␊ |
2284 | ␉␉return -1;␊ |
2285 | ␉␊ |
2286 | return 0;␊ |
2287 | }␊ |
2288 | #endif␊ |
2289 | //==========================================================================␊ |
2290 | // Handle seek request from filesystem modules.␊ |
2291 | ␊ |
2292 | void diskSeek( BVRef bvr, long long position )␊ |
2293 | {␊ |
2294 | bvr->fs_boff = position / BPS;␊ |
2295 | bvr->fs_byteoff = position % BPS;␊ |
2296 | }␊ |
2297 | ␊ |
2298 | //==========================================================================␊ |
2299 | // Handle read request from filesystem modules.␊ |
2300 | ␊ |
2301 | int diskRead( BVRef bvr, long addr, long length )␊ |
2302 | {␊ |
2303 | return readBytes( bvr->biosdev,␊ |
2304 | ␉␉␉␉␉ bvr->fs_boff + bvr->part_boff,␊ |
2305 | ␉␉␉␉␉ bvr->fs_byteoff,␊ |
2306 | ␉␉␉␉␉ length,␊ |
2307 | ␉␉␉␉␉ (void *) addr );␊ |
2308 | }␊ |
2309 | ␊ |
2310 | #if UNUSED␊ |
2311 | int rawDiskRead( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2312 | {␊ |
2313 | int secs;␊ |
2314 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2315 | unsigned int copy_len;␊ |
2316 | int rc;␊ |
2317 | ␉␊ |
2318 | if ((len & (BPS-1)) != 0) {␊ |
2319 | printf("raw disk read not sector aligned");␊ |
2320 | return -1;␊ |
2321 | }␊ |
2322 | secno += bvr->part_boff;␊ |
2323 | ␉␊ |
2324 | cache_valid = false;␊ |
2325 | ␉␊ |
2326 | while (len > 0) {␊ |
2327 | secs = len / BPS;␊ |
2328 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2329 | copy_len = secs * BPS;␊ |
2330 | ␉␉␊ |
2331 | //printf("rdr: ebiosread(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2332 | if ((rc = ebiosread(bvr->biosdev, secno, secs)) != 0) {␊ |
2333 | /* Ignore corrected ECC errors */␊ |
2334 | if (rc != ECC_CORRECTED_ERR) {␊ |
2335 | printf(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
2336 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2337 | return rc;␊ |
2338 | }␊ |
2339 | }␊ |
2340 | bcopy( trackbuf, cbuf, copy_len );␊ |
2341 | len -= copy_len;␊ |
2342 | cbuf += copy_len;␊ |
2343 | secno += secs;␊ |
2344 | #if TEXT_SPINNER␊ |
2345 | ␉␉spinActivityIndicator(secs);␊ |
2346 | #endif␊ |
2347 | }␊ |
2348 | ␉␊ |
2349 | return 0;␊ |
2350 | }␊ |
2351 | ␊ |
2352 | int rawDiskWrite( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2353 | {␊ |
2354 | int secs;␊ |
2355 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2356 | unsigned int copy_len;␊ |
2357 | int rc;␊ |
2358 | ␉␊ |
2359 | if ((len & (BPS-1)) != 0) {␊ |
2360 | printf("raw disk write not sector aligned");␊ |
2361 | return -1;␊ |
2362 | }␊ |
2363 | secno += bvr->part_boff;␊ |
2364 | ␉␊ |
2365 | cache_valid = false;␊ |
2366 | ␉␊ |
2367 | while (len > 0) {␊ |
2368 | secs = len / BPS;␊ |
2369 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2370 | copy_len = secs * BPS;␊ |
2371 | ␉␉␊ |
2372 | bcopy( cbuf, trackbuf, copy_len );␊ |
2373 | //printf("rdr: ebioswrite(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2374 | if ((rc = ebioswrite(bvr->biosdev, secno, secs)) != 0) {␊ |
2375 | printf(" EBIOS write error: %s\n", bios_error(rc), rc);␊ |
2376 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2377 | return rc;␊ |
2378 | }␊ |
2379 | len -= copy_len;␊ |
2380 | cbuf += copy_len;␊ |
2381 | secno += secs;␊ |
2382 | #if TEXT_SPINNER␊ |
2383 | ␉␉spinActivityIndicator(secs);␊ |
2384 | #endif␊ |
2385 | }␊ |
2386 | ␉␊ |
2387 | return 0;␊ |
2388 | }␊ |
2389 | #endif␊ |
2390 | ␊ |
2391 | int diskIsCDROM(BVRef bvr)␊ |
2392 | {␊ |
2393 | struct driveInfo di;␊ |
2394 | ␉␊ |
2395 | if (getDriveInfo(bvr->biosdev, &di) == 0 && di.no_emulation) {␊ |
2396 | ␉␉return 1;␊ |
2397 | }␊ |
2398 | return 0;␊ |
2399 | }␊ |
2400 | ␊ |
2401 | int biosDevIsCDROM(int biosdev)␊ |
2402 | {␊ |
2403 | struct driveInfo di;␊ |
2404 | ␉␊ |
2405 | if (getDriveInfo(biosdev, &di) == 0 && di.no_emulation)␊ |
2406 | {␊ |
2407 | ␉return 1;␊ |
2408 | }␊ |
2409 | return 0;␊ |
2410 | }␊ |
2411 | |