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 | ␊ |
59 | #include "fdisk.h"␊ |
60 | #ifdef UFS_SUPPORT␊ |
61 | #include "ufs.h"␊ |
62 | #define UFS_FRONT_PORCH 0␊ |
63 | #endif␊ |
64 | #include "hfs.h"␊ |
65 | #ifndef NO_WIN_SUPPORT␊ |
66 | #include "ntfs.h"␊ |
67 | #include "msdos.h"␊ |
68 | #endif␊ |
69 | #ifndef NO_LINUX_SUPPORT␊ |
70 | #include "ext2fs.h"␊ |
71 | #endif␊ |
72 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
73 | #include "freebsd.h"␊ |
74 | #include "openbsd.h"␊ |
75 | #endif␊ |
76 | #ifndef NO_HAIKU_SUPPORT␊ |
77 | #include "befs.h"␊ |
78 | #endif␊ |
79 | ␊ |
80 | #include "xml.h"␊ |
81 | #include "disk.h"␊ |
82 | #include "modules.h"␊ |
83 | ␊ |
84 | #ifndef DEBUG_DISK␊ |
85 | #define DEBUG_DISK 0␊ |
86 | #endif␊ |
87 | ␊ |
88 | #if DEBUG_DISK==2␊ |
89 | #define DBG(x...) {printf(x); sleep(1);}␊ |
90 | #elif DEBUG_DISK==1␊ |
91 | #define DBG(x...) printf(x)␊ |
92 | #else␊ |
93 | #define DBG(x...)␊ |
94 | #endif␊ |
95 | ␊ |
96 | #ifndef MIN␊ |
97 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
98 | #endif␊ |
99 | ␊ |
100 | #ifndef MAX␊ |
101 | #define MAX(x, y) ((x) > (y) ? (x) : (y))␊ |
102 | #endif␊ |
103 | ␊ |
104 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
105 | #define␉UINT_MAX␉0xffffffff␉/* max value for an unsigned int, defined in <limits.h>. */␊ |
106 | #include <IOKit/storage/IOApplePartitionScheme.h>␊ |
107 | #define kAPMSector 2 /* Sector number of Apple partition map */␊ |
108 | #define kAPMCDSector 8 /* Translated sector of Apple partition map on a CD */␊ |
109 | #else␊ |
110 | #define DPISTRLEN 32 // Defined in <IOApplePartitionScheme.h>.␊ |
111 | #endif␊ |
112 | ␊ |
113 | #include <IOKit/storage/IOGUIDPartitionScheme.h>␊ |
114 | typedef struct gpt_hdr gpt_hdr;␊ |
115 | typedef struct gpt_ent gpt_ent;␊ |
116 | ␊ |
117 | // For EFI_GUID␊ |
118 | #include "efi.h"␊ |
119 | #include "efi_tables.h"␊ |
120 | ␊ |
121 | #define PROBEFS_SIZE BPS * 4 /* buffer size for filesystem probe */␊ |
122 | #define N_CACHE_SECS (BIOS_LEN / BPS) /* Must be a multiple of 4 for CD-ROMs */␊ |
123 | ␊ |
124 | #if UNUSED␊ |
125 | #define CD_BPS 2048 /* CD-ROM block size */␊ |
126 | #endif␊ |
127 | ␊ |
128 | /*␊ |
129 | * IORound and IOTrunc convenience functions, in the spirit␊ |
130 | * of vm's round_page() and trunc_page().␊ |
131 | */␊ |
132 | #define IORound(value,multiple) \␊ |
133 | ((((value) + (multiple) - 1) / (multiple)) * (multiple))␊ |
134 | ␊ |
135 | /*␊ |
136 | #define IOTrunc(value,multiple) \␊ |
137 | (((value) / (multiple)) * (multiple));␊ |
138 | */␊ |
139 | ␊ |
140 | /*␊ |
141 | * trackbuf points to the start of the track cache. Biosread()␊ |
142 | * will store the sectors read from disk to this memory area.␊ |
143 | *␊ |
144 | * biosbuf points to a sector within the track cache, and is␊ |
145 | * updated by Biosread().␊ |
146 | */␊ |
147 | static char * const trackbuf = (char *) ptov(BIOS_ADDR);␊ |
148 | static char * biosbuf;␊ |
149 | ␊ |
150 | /*␊ |
151 | * Map a disk drive to bootable volumes contained within.␊ |
152 | */␊ |
153 | struct DiskBVMap {␊ |
154 | int biosdev; // BIOS device number (unique)␊ |
155 | BVRef bvr; // chain of boot volumes on the disk␊ |
156 | int bvrcnt; // number of boot volumes␊ |
157 | struct DiskBVMap * next; // linkage to next mapping␊ |
158 | };␊ |
159 | ␊ |
160 | static struct DiskBVMap * gDiskBVMap = NULL;␊ |
161 | static struct disk_blk0 * gBootSector = NULL;␊ |
162 | ␊ |
163 | ␊ |
164 | #if TEXT_SPINNER␊ |
165 | extern void spinActivityIndicator(int sectors);␊ |
166 | #endif␊ |
167 | ␊ |
168 | struct NamedValue {␊ |
169 | unsigned char value;␊ |
170 | const char * name;␊ |
171 | };␊ |
172 | ␊ |
173 | static int getDriveInfo( int biosdev, struct driveInfo *dip );␊ |
174 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
175 | ␉␉␉␉␉␉␉␉␉unsigned char value );␊ |
176 | static int Biosread( int biosdev, unsigned long long secno );␊ |
177 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
178 | ␉␉␉␉␉ unsigned int byteoff,␊ |
179 | ␉␉␉␉␉ unsigned int byteCount, void * buffer );␊ |
180 | static int isExtendedFDiskPartition( const struct fdisk_part * part );␊ |
181 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
182 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart );␊ |
183 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
184 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
185 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
186 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
187 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
188 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
189 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
190 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
191 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
192 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags );␊ |
193 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr );␊ |
194 | static int probeFileSystem(int biosdev, unsigned int blkoff);␊ |
195 | static bool isPartitionUsed(gpt_ent * partition);␊ |
196 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr );␊ |
197 | static void scanFSLevelBVRSettings(BVRef chain);␊ |
198 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
199 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr );␊ |
200 | #endif␊ |
201 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id );␊ |
202 | static bool getOSVersion(BVRef bvr, char *str);␊ |
203 | static bool CheckDarwin(BVRef bvr);␊ |
204 | static bool getOSInstallVersion(const char *dirSpec, char *str, config_file_t *systemVersion);␊ |
205 | ␊ |
206 | //==========================================================================␊ |
207 | ␊ |
208 | static int getDriveInfo( int biosdev, struct driveInfo *dip )␊ |
209 | {␊ |
210 | static struct driveInfo cached_di;␊ |
211 | ␉int cc;␊ |
212 | #ifndef OPTION_ROM ␊ |
213 | // Real BIOS devices are 8-bit, so anything above that is for internal use.␊ |
214 | // Don't cache ramdisk drive info since it doesn't require several BIOS␊ |
215 | // calls and is thus not worth it.␊ |
216 | if(biosdev >= 0x100 && execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)␊ |
217 | {␊ |
218 | ␉␉int ret = 0;␊ |
219 | ␉␉execute_hook("p_get_ramdisk_info", &biosdev, (void *)dip, &ret, NULL, NULL, NULL);␊ |
220 | ␉␉return ret;␊ |
221 | ␉␉␊ |
222 | }␊ |
223 | #endif␊ |
224 | if ( !cached_di.valid || biosdev != cached_di.biosdev )␊ |
225 | {␊ |
226 | ␉␉cc = get_drive_info(biosdev, &cached_di);␊ |
227 | if (cc < 0) {␊ |
228 | ␉␉␉cached_di.valid = 0;␊ |
229 | DEBUG_DISK(("get_drive_info returned error\n"));␊ |
230 | ␉␉␉return (-1); // BIOS call error␊ |
231 | ␉␉}␊ |
232 | }␊ |
233 | ␉␊ |
234 | bcopy(&cached_di, dip, sizeof(cached_di));␊ |
235 | ␉␊ |
236 | return 0;␊ |
237 | }␊ |
238 | ␊ |
239 | //==========================================================================␊ |
240 | // Maps (E)BIOS return codes to message strings.␊ |
241 | ␊ |
242 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
243 | ␉␉␉␉␉␉␉␉␉unsigned char value )␊ |
244 | {␊ |
245 | const struct NamedValue * np;␊ |
246 | ␉␊ |
247 | for ( np = nameTable; np->value; np++)␊ |
248 | if (np->value == value)␊ |
249 | return np->name;␊ |
250 | ␉␊ |
251 | return NULL;␊ |
252 | }␊ |
253 | ␊ |
254 | #define ECC_CORRECTED_ERR 0x11␊ |
255 | ␊ |
256 | static const struct NamedValue bios_errors[] = {␊ |
257 | { 0x10, "Media error" },␊ |
258 | { 0x11, "Corrected ECC error" },␊ |
259 | { 0x20, "Controller or device error" },␊ |
260 | { 0x40, "Seek failed" },␊ |
261 | { 0x80, "Device timeout" },␊ |
262 | { 0xAA, "Drive not ready" },␊ |
263 | { 0x00, 0 }␊ |
264 | };␊ |
265 | ␊ |
266 | static const char * bios_error(int errnum)␊ |
267 | {␊ |
268 | static char errorstr[] = "Error 0x00";␊ |
269 | const char * errname;␊ |
270 | ␉␊ |
271 | errname = getNameForValue( bios_errors, errnum );␊ |
272 | if ( errname ) return errname;␊ |
273 | ␉␊ |
274 | sprintf(errorstr, "Error 0x%02x", errnum);␊ |
275 | return errorstr; // No string, print error code only␊ |
276 | }␊ |
277 | ␊ |
278 | //==========================================================================␊ |
279 | // Use BIOS INT13 calls to read the sector specified. This function will␊ |
280 | // also perform read-ahead to cache a few subsequent sector to the sector␊ |
281 | // cache.␊ |
282 | // ␊ |
283 | // Return:␊ |
284 | // 0 on success, or an error code from INT13/F2 or INT13/F42 BIOS call.␊ |
285 | ␊ |
286 | static bool cache_valid = false;␊ |
287 | ␊ |
288 | static int Biosread( int biosdev, unsigned long long secno )␊ |
289 | {␊ |
290 | static int xbiosdev, xcyl, xhead;␊ |
291 | static unsigned int xsec, xnsecs;␊ |
292 | struct driveInfo di;␊ |
293 | ␉␊ |
294 | int rc = -1;␊ |
295 | int cyl, head, sec;␊ |
296 | int tries = 0;␊ |
297 | int bps, divisor;␊ |
298 | ␉␊ |
299 | if (getDriveInfo(biosdev, &di) < 0) {␊ |
300 | ␉␉return -1;␊ |
301 | }␊ |
302 | if (di.no_emulation) {␊ |
303 | ␉␉/* Always assume 2k block size; BIOS may lie about geometry */␊ |
304 | ␉␉bps = 2048;␊ |
305 | } else {␊ |
306 | ␉␉bps = di.di.params.phys_nbps;␊ |
307 | if (bps == 0) {␊ |
308 | return -1;␊ |
309 | }␊ |
310 | }␊ |
311 | divisor = bps / BPS;␊ |
312 | ␉␊ |
313 | DEBUG_DISK(("Biosread dev %x sec %d bps %d\n", biosdev, secno, bps));␊ |
314 | ␉␊ |
315 | // To read the disk sectors, use EBIOS if we can. Otherwise,␊ |
316 | // revert to the standard BIOS calls.␊ |
317 | ␉␊ |
318 | if ((biosdev >= kBIOSDevTypeHardDrive) &&␊ |
319 | (di.uses_ebios & EBIOS_FIXED_DISK_ACCESS))␊ |
320 | {␊ |
321 | if (cache_valid &&␊ |
322 | (biosdev == xbiosdev) &&␊ |
323 | (secno >= xsec) &&␊ |
324 | ((unsigned int)secno < (xsec + xnsecs)))␊ |
325 | {␊ |
326 | biosbuf = trackbuf + (BPS * (secno - xsec));␊ |
327 | return 0;␊ |
328 | }␊ |
329 | ␉␉␊ |
330 | xnsecs = N_CACHE_SECS;␊ |
331 | xsec = (secno / divisor) * divisor;␊ |
332 | cache_valid = false;␊ |
333 | ␉␉␊ |
334 | while ((rc = ebiosread(biosdev, secno / divisor, xnsecs / divisor)) && (++tries < 5))␊ |
335 | {␊ |
336 | if (rc == ECC_CORRECTED_ERR) {␊ |
337 | /* Ignore corrected ECC errors */␊ |
338 | rc = 0;␊ |
339 | break;␊ |
340 | }␊ |
341 | printf(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
342 | printf(" Block 0x%x Sectors %d\n", secno, xnsecs);␊ |
343 | sleep(1);␊ |
344 | }␊ |
345 | }␊ |
346 | else␊ |
347 | {␊ |
348 | ␉␉/* spc = spt * heads */␊ |
349 | ␉␉int spc = (di.di.params.phys_spt * di.di.params.phys_heads);␊ |
350 | cyl = secno / spc;␊ |
351 | head = (secno % spc) / di.di.params.phys_spt;␊ |
352 | sec = secno % di.di.params.phys_spt;␊ |
353 | ␉␉␊ |
354 | if (cache_valid &&␊ |
355 | (biosdev == xbiosdev) &&␊ |
356 | (cyl == xcyl) &&␊ |
357 | (head == xhead) &&␊ |
358 | ((unsigned int)sec >= xsec) &&␊ |
359 | ((unsigned int)sec < (xsec + xnsecs)))␊ |
360 | {␊ |
361 | // this sector is in trackbuf cache␊ |
362 | biosbuf = trackbuf + (BPS * (sec - xsec));␊ |
363 | return 0;␊ |
364 | }␊ |
365 | ␉␉␊ |
366 | // Cache up to a track worth of sectors, but do not cross a␊ |
367 | // track boundary.␊ |
368 | ␉␉␊ |
369 | xcyl = cyl;␊ |
370 | xhead = head;␊ |
371 | xsec = sec;␊ |
372 | xnsecs = ((unsigned int)(sec + N_CACHE_SECS) > di.di.params.phys_spt) ? (di.di.params.phys_spt - sec) : N_CACHE_SECS;␊ |
373 | cache_valid = false;␊ |
374 | ␉␉␊ |
375 | while ((rc = biosread(biosdev, cyl, head, sec, xnsecs)) &&␊ |
376 | (++tries < 5))␊ |
377 | {␊ |
378 | if (rc == ECC_CORRECTED_ERR) {␊ |
379 | /* Ignore corrected ECC errors */␊ |
380 | rc = 0;␊ |
381 | break;␊ |
382 | }␊ |
383 | printf(" BIOS read error: %s\n", bios_error(rc), rc);␊ |
384 | printf(" Block %d, Cyl %d Head %d Sector %d\n",␊ |
385 | secno, cyl, head, sec);␊ |
386 | sleep(1);␊ |
387 | }␊ |
388 | }␊ |
389 | ␉␊ |
390 | // If the BIOS reported success, mark the sector cache as valid.␊ |
391 | ␉␊ |
392 | if (rc == 0) {␊ |
393 | cache_valid = true;␊ |
394 | }␊ |
395 | biosbuf = trackbuf + (secno % divisor) * BPS;␊ |
396 | xbiosdev = biosdev;␊ |
397 | ␊ |
398 | #if TEXT_SPINNER␊ |
399 | ␉spinActivityIndicator(xnsecs);␊ |
400 | #endif␊ |
401 | ␉␊ |
402 | return rc;␊ |
403 | }␊ |
404 | ␊ |
405 | //==========================================================================␊ |
406 | ␊ |
407 | int testBiosread( int biosdev, unsigned long long secno )␊ |
408 | {␊ |
409 | ␉return Biosread(biosdev, secno);␊ |
410 | }␊ |
411 | ␊ |
412 | //==========================================================================␊ |
413 | ␊ |
414 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
415 | ␉␉␉␉␉ unsigned int byteoff,␊ |
416 | ␉␉␉␉␉ unsigned int byteCount, void * buffer )␊ |
417 | {␊ |
418 | #ifndef OPTION_ROM ␊ |
419 | // ramdisks require completely different code for reading.␊ |
420 | ␊ |
421 | ␉␊ |
422 | ␉if(biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)){␊ |
423 | ␊ |
424 | ␉␉int ret = -1;␊ |
425 | ␉␉execute_hook("p_ramdiskReadBytes", &biosdev, (void*)(unsigned long)&blkno, &byteoff, &byteCount, buffer, &ret);␊ |
426 | ␉␉return ret;␊ |
427 | ␉}␊ |
428 | #endif␉␉␉␊ |
429 | ␉␊ |
430 | char * cbuf = (char *) buffer;␊ |
431 | int error;␊ |
432 | int copy_len;␊ |
433 | ␉␊ |
434 | DEBUG_DISK(("%s: dev %x block %x [%d] -> 0x%x...", __FUNCTION__,␊ |
435 | biosdev, blkno, byteCount, (unsigned)cbuf));␊ |
436 | ␉␊ |
437 | for ( ; byteCount; cbuf += copy_len, blkno++ )␊ |
438 | {␊ |
439 | error = Biosread( biosdev, blkno );␊ |
440 | if ( error )␊ |
441 | {␊ |
442 | DEBUG_DISK(("error\n"));␊ |
443 | return (-1);␊ |
444 | }␊ |
445 | ␉␉␊ |
446 | copy_len = ((byteCount + byteoff) > BPS) ? (BPS - byteoff) : byteCount;␊ |
447 | bcopy( biosbuf + byteoff, cbuf, copy_len );␊ |
448 | byteCount -= copy_len;␊ |
449 | byteoff = 0;␊ |
450 | }␊ |
451 | ␉␊ |
452 | DEBUG_DISK(("done\n"));␊ |
453 | ␉␊ |
454 | return 0; ␊ |
455 | }␊ |
456 | ␊ |
457 | //==========================================================================␊ |
458 | ␊ |
459 | static int isExtendedFDiskPartition( const struct fdisk_part * part )␊ |
460 | {␊ |
461 | static unsigned char extParts[] =␊ |
462 | {␊ |
463 | 0x05, /* Extended */␊ |
464 | 0x0f, /* Win95 extended */␊ |
465 | 0x85, /* Linux extended */␊ |
466 | };␊ |
467 | ␉␊ |
468 | unsigned int i;␊ |
469 | ␉␊ |
470 | for (i = 0; i < sizeof(extParts)/sizeof(extParts[0]); i++)␊ |
471 | {␊ |
472 | if (extParts[i] == part->systid) return 1;␊ |
473 | }␊ |
474 | return 0;␊ |
475 | }␊ |
476 | ␊ |
477 | //==========================================================================␊ |
478 | ␊ |
479 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
480 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart )␊ |
481 | {␊ |
482 | static int sBiosdev = -1;␊ |
483 | static int sNextPartNo;␊ |
484 | static unsigned int sFirstBase;␊ |
485 | static unsigned int sExtBase;␊ |
486 | static unsigned int sExtDepth;␊ |
487 | static struct fdisk_part * sExtPart;␊ |
488 | struct fdisk_part * part;␊ |
489 | ␉␊ |
490 | if ( sBiosdev != biosdev || *partno < 0 )␊ |
491 | {␊ |
492 | // Fetch MBR.␊ |
493 | if ( readBootSector( biosdev, DISK_BLK0, 0 ) ) return 0;␊ |
494 | ␉␉␊ |
495 | sBiosdev = biosdev;␊ |
496 | sNextPartNo = 0;␊ |
497 | sFirstBase = 0;␊ |
498 | sExtBase = 0;␊ |
499 | sExtDepth = 0;␊ |
500 | sExtPart = NULL;␊ |
501 | }␊ |
502 | ␉␊ |
503 | while (1)␊ |
504 | {␊ |
505 | part = NULL;␊ |
506 | ␉␉␊ |
507 | if ( sNextPartNo < FDISK_NPART )␊ |
508 | {␊ |
509 | part = (struct fdisk_part *) gBootSector->parts[sNextPartNo];␊ |
510 | }␊ |
511 | else if ( sExtPart )␊ |
512 | {␊ |
513 | unsigned int blkno = sExtPart->relsect + sFirstBase;␊ |
514 | ␉␉␉␊ |
515 | // Save the block offset of the first extended partition.␊ |
516 | ␉␉␉␊ |
517 | if (sExtDepth == 0) {␊ |
518 | sFirstBase = blkno;␊ |
519 | }␊ |
520 | sExtBase = blkno;␊ |
521 | ␉␉␉␊ |
522 | // Load extended partition table.␊ |
523 | ␉␉␉␊ |
524 | if ( readBootSector( biosdev, blkno, 0 ) == 0 )␊ |
525 | {␊ |
526 | sNextPartNo = 0;␊ |
527 | sExtDepth++;␊ |
528 | sExtPart = NULL;␊ |
529 | continue;␊ |
530 | }␊ |
531 | // Fall through to part == NULL␊ |
532 | }␊ |
533 | ␉␉␊ |
534 | if ( part == NULL ) break; // Reached end of partition chain.␊ |
535 | ␉␉␊ |
536 | // Advance to next partition number.␊ |
537 | ␉␉␊ |
538 | sNextPartNo++;␊ |
539 | ␉␉␊ |
540 | if ( isExtendedFDiskPartition(part) )␊ |
541 | {␊ |
542 | sExtPart = part;␊ |
543 | continue;␊ |
544 | }␊ |
545 | ␉␉␊ |
546 | // Skip empty slots.␊ |
547 | ␉␉␊ |
548 | if ( part->systid == 0x00 )␊ |
549 | {␊ |
550 | continue;␊ |
551 | }␊ |
552 | ␉␉␊ |
553 | // Change relative offset to an absolute offset.␊ |
554 | part->relsect += sExtBase;␊ |
555 | ␉␉␊ |
556 | *outPart = part;␊ |
557 | *partno = sExtDepth ? (int)(sExtDepth + FDISK_NPART) : sNextPartNo;␊ |
558 | ␉␉␊ |
559 | break;␊ |
560 | }␊ |
561 | ␉␊ |
562 | return (part != NULL);␊ |
563 | }␊ |
564 | ␊ |
565 | //==========================================================================␊ |
566 | ␊ |
567 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
568 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
569 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
570 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
571 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
572 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
573 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
574 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
575 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
576 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
577 | {␊ |
578 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
579 | if ( bvr )␊ |
580 | {␊ |
581 | bzero(bvr, sizeof(*bvr));␊ |
582 | ␉␉␊ |
583 | bvr->biosdev = biosdev;␊ |
584 | bvr->part_no = partno;␊ |
585 | bvr->part_boff = blkoff;␊ |
586 | bvr->part_type = part->systid;␊ |
587 | bvr->fs_loadfile = loadFunc;␊ |
588 | bvr->fs_readfile = readFunc;␊ |
589 | bvr->fs_getdirentry = getdirFunc;␊ |
590 | bvr->fs_getfileblock= getBlockFunc;␊ |
591 | bvr->fs_getuuid = getUUIDFunc;␊ |
592 | bvr->description = getDescriptionFunc;␊ |
593 | bvr->type = type;␊ |
594 | bvr->bv_free = bvFreeFunc;␊ |
595 | ␉␉␊ |
596 | if ((part->bootid & FDISK_ACTIVE) && (part->systid == FDISK_HFS))␊ |
597 | bvr->flags |= kBVFlagPrimary;␊ |
598 | ␉␉␊ |
599 | // Probe the filesystem.␊ |
600 | ␉␉␊ |
601 | if ( initFunc )␊ |
602 | {␊ |
603 | bvr->flags |= kBVFlagNativeBoot;␊ |
604 | ␉␉␉␊ |
605 | if ( probe && initFunc( bvr ) != 0 )␊ |
606 | {␊ |
607 | // filesystem probe failed.␊ |
608 | ␉␉␉␉␊ |
609 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
610 | __FUNCTION__, biosdev, partno));␊ |
611 | ␉␉␉␉␊ |
612 | (*bvr->bv_free)(bvr);␊ |
613 | bvr = NULL;␊ |
614 | }␊ |
615 | if ( bvr && readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
616 | {␊ |
617 | ␉bvr->flags |= kBVFlagBootable;␊ |
618 | }␊ |
619 | }␊ |
620 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
621 | {␊ |
622 | bvr->flags |= kBVFlagForeignBoot;␊ |
623 | }␊ |
624 | else␊ |
625 | {␊ |
626 | (*bvr->bv_free)(bvr);␊ |
627 | bvr = NULL;␊ |
628 | }␊ |
629 | }␊ |
630 | if (bvr) bvr->flags |= bvrFlags;␊ |
631 | return bvr;␊ |
632 | }␊ |
633 | ␊ |
634 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
635 | //==========================================================================␊ |
636 | ␊ |
637 | BVRef newAPMBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
638 | ␉␉␉␉ const DPME * part,␊ |
639 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
640 | ␉␉␉␉ FSReadFile readFunc,␊ |
641 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
642 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
643 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
644 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
645 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
646 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
647 | {␊ |
648 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
649 | if ( bvr )␊ |
650 | {␊ |
651 | bzero(bvr, sizeof(*bvr));␊ |
652 | ␉␉␊ |
653 | bvr->biosdev = biosdev;␊ |
654 | bvr->part_no = partno;␊ |
655 | bvr->part_boff = blkoff;␊ |
656 | bvr->fs_loadfile = loadFunc;␊ |
657 | bvr->fs_readfile = readFunc;␊ |
658 | bvr->fs_getdirentry = getdirFunc;␊ |
659 | bvr->fs_getfileblock= getBlockFunc;␊ |
660 | bvr->fs_getuuid = getUUIDFunc;␊ |
661 | bvr->description = getDescriptionFunc;␊ |
662 | bvr->type = type;␊ |
663 | bvr->bv_free = bvFreeFunc;␊ |
664 | strlcpy(bvr->name, part->dpme_name, DPISTRLEN);␊ |
665 | strlcpy(bvr->type_name, part->dpme_type, DPISTRLEN);␊ |
666 | ␉␉␊ |
667 | /*␊ |
668 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
669 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
670 | ␉␉ */␊ |
671 | ␉␉␊ |
672 | // Probe the filesystem.␊ |
673 | ␉␉␊ |
674 | if ( initFunc )␊ |
675 | {␊ |
676 | bvr->flags |= kBVFlagNativeBoot | kBVFlagBootable | kBVFlagSystemVolume;␊ |
677 | ␉␉␉␊ |
678 | if ( probe && initFunc( bvr ) != 0 )␊ |
679 | {␊ |
680 | // filesystem probe failed.␊ |
681 | ␉␉␉␉␊ |
682 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
683 | __FUNCTION__, biosdev, partno));␊ |
684 | ␉␉␉␉␊ |
685 | (*bvr->bv_free)(bvr);␊ |
686 | bvr = NULL;␊ |
687 | }␊ |
688 | }␊ |
689 | /*␊ |
690 | ␉␉ else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
691 | ␉␉ {␊ |
692 | ␉␉ bvr->flags |= kBVFlagForeignBoot;␊ |
693 | ␉␉ }␊ |
694 | ␉␉ */␊ |
695 | else␊ |
696 | {␊ |
697 | (*bvr->bv_free)(bvr);␊ |
698 | bvr = NULL;␊ |
699 | }␊ |
700 | }␊ |
701 | if (bvr) bvr->flags |= bvrFlags;␊ |
702 | return bvr;␊ |
703 | }␊ |
704 | #endif␊ |
705 | //==========================================================================␊ |
706 | ␊ |
707 | // HFS+ GUID in LE form␊ |
708 | EFI_GUID const GPT_HFS_GUID␉= { 0x48465300, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
709 | // turbo - also our booter partition␊ |
710 | EFI_GUID const GPT_BOOT_GUID␉= { 0x426F6F74, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
711 | // turbo - or an efi system partition␊ |
712 | EFI_GUID const GPT_EFISYS_GUID␉= { 0xC12A7328, 0xF81F, 0x11D2, { 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } };␊ |
713 | // zef - basic data partition EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 for foreign OS support␊ |
714 | EFI_GUID const GPT_BASICDATA_GUID = { 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } };␊ |
715 | EFI_GUID const GPT_BASICDATA2_GUID = { 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } };␊ |
716 | ␊ |
717 | ␊ |
718 | BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
719 | ␉␉␉␉ const gpt_ent * part,␊ |
720 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
721 | ␉␉␉␉ FSReadFile readFunc,␊ |
722 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
723 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
724 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
725 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
726 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
727 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
728 | {␊ |
729 | BVRef bvr = (BVRef) malloc( sizeof(*bvr) );␊ |
730 | if ( bvr )␊ |
731 | {␊ |
732 | bzero(bvr, sizeof(*bvr));␊ |
733 | ␉␉␊ |
734 | bvr->biosdev = biosdev;␊ |
735 | bvr->part_no = partno;␊ |
736 | bvr->part_boff = blkoff;␊ |
737 | bvr->fs_loadfile = loadFunc;␊ |
738 | bvr->fs_readfile = readFunc;␊ |
739 | bvr->fs_getdirentry = getdirFunc;␊ |
740 | bvr->fs_getfileblock= getBlockFunc;␊ |
741 | bvr->fs_getuuid = getUUIDFunc;␊ |
742 | bvr->description = getDescriptionFunc;␊ |
743 | ␉bvr->type = type;␊ |
744 | bvr->bv_free = bvFreeFunc;␊ |
745 | // FIXME: UCS-2 -> UTF-8 the name␊ |
746 | strlcpy(bvr->name, "----", DPISTRLEN);␊ |
747 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)part->ent_type) == 0) ||␊ |
748 | ␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)part->ent_type) == 0) )␊ |
749 | ␉␉␉strlcpy(bvr->type_name, "GPT HFS+", DPISTRLEN);␊ |
750 | else␊ |
751 | ␉␉␉strlcpy(bvr->type_name, "GPT Unknown", DPISTRLEN);␊ |
752 | ␉␉␊ |
753 | /*␊ |
754 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
755 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
756 | ␉␉ */␊ |
757 | ␉␉␊ |
758 | // Probe the filesystem.␊ |
759 | ␉␉␊ |
760 | if ( initFunc )␊ |
761 | {␊ |
762 | bvr->flags |= kBVFlagNativeBoot;␊ |
763 | ␉␉␉␊ |
764 | if ( probe && initFunc( bvr ) != 0 )␊ |
765 | {␊ |
766 | // filesystem probe failed.␊ |
767 | ␉␉␉␉␊ |
768 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
769 | __FUNCTION__, biosdev, partno));␊ |
770 | ␉␉␉␉␊ |
771 | (*bvr->bv_free)(bvr);␊ |
772 | bvr = NULL;␊ |
773 | }␊ |
774 | if ( bvr && readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
775 | {␊ |
776 | ␉bvr->flags |= kBVFlagBootable;␊ |
777 | }␊ |
778 | }␊ |
779 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
780 | {␊ |
781 | bvr->flags |= kBVFlagForeignBoot;␊ |
782 | }␊ |
783 | else␊ |
784 | {␊ |
785 | (*bvr->bv_free)(bvr);␊ |
786 | bvr = NULL;␊ |
787 | }␊ |
788 | }␊ |
789 | if (bvr) bvr->flags |= bvrFlags;␊ |
790 | return bvr;␊ |
791 | }␊ |
792 | ␊ |
793 | //==========================================================================␊ |
794 | ␊ |
795 | /* A note on partition numbers:␊ |
796 | * IOKit makes the primary partitions numbers 1-4, and then␊ |
797 | * extended partitions are numbered consecutively 5 and up.␊ |
798 | * So, for example, if you have two primary partitions and␊ |
799 | * one extended partition they will be numbered 1, 2, 5.␊ |
800 | */␊ |
801 | ␊ |
802 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr )␊ |
803 | {␊ |
804 | const struct fdisk_part * part;␊ |
805 | struct DiskBVMap * map;␊ |
806 | int partno = -1;␊ |
807 | BVRef bvr;␊ |
808 | #ifdef UFS_SUPPORT␊ |
809 | BVRef booterUFS = NULL;␊ |
810 | int spc;␊ |
811 | struct driveInfo di;␊ |
812 | boot_drive_info_t *dp;␊ |
813 | ␉␊ |
814 | /* Initialize disk info */␊ |
815 | if (getDriveInfo(biosdev, &di) != 0) {␊ |
816 | ␉␉return NULL;␊ |
817 | }␊ |
818 | dp = &di.di;␊ |
819 | spc = (dp->params.phys_spt * dp->params.phys_heads);␊ |
820 | if (spc == 0) {␊ |
821 | ␉␉/* This is probably a CD-ROM; punt on the geometry. */␊ |
822 | ␉␉spc = 1;␊ |
823 | }␊ |
824 | #endif␊ |
825 | // Create a new mapping.␊ |
826 | ␊ |
827 | ␉map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
828 | if ( !map )␊ |
829 | {␊ |
830 | return NULL; ␊ |
831 | }␊ |
832 | ␊ |
833 | do {␉␉␊ |
834 | ␊ |
835 | map->biosdev = biosdev;␊ |
836 | map->bvr = NULL;␊ |
837 | map->bvrcnt = 0;␊ |
838 | map->next = gDiskBVMap;␊ |
839 | gDiskBVMap = map;␊ |
840 | ␊ |
841 | // Create a record for each partition found on the disk.␊ |
842 | ␊ |
843 | while ( getNextFDiskPartition( biosdev, &partno, &part ) )␊ |
844 | {␊ |
845 | DEBUG_DISK(("%s: part %d [%x]\n", __FUNCTION__,␊ |
846 | partno, part->systid));␊ |
847 | bvr = 0;␊ |
848 | ␊ |
849 | switch ( part->systid )␊ |
850 | {␊ |
851 | #ifdef UFS_SUPPORT␊ |
852 | case FDISK_UFS:␊ |
853 | bvr = newFDiskBVRef(␊ |
854 | biosdev, partno,␊ |
855 | part->relsect + UFS_FRONT_PORCH/BPS,␊ |
856 | part,␊ |
857 | UFSInitPartition,␊ |
858 | UFSLoadFile,␊ |
859 | UFSReadFile,␊ |
860 | UFSGetDirEntry,␊ |
861 | UFSGetFileBlock,␊ |
862 | UFSGetUUID,␊ |
863 | UFSGetDescription,␊ |
864 | UFSFree,␊ |
865 | 0,␊ |
866 | kBIOSDevTypeHardDrive, 0);␊ |
867 | break;␊ |
868 | #endif␊ |
869 | ␊ |
870 | case FDISK_HFS:␊ |
871 | bvr = newFDiskBVRef(␊ |
872 | biosdev, partno,␊ |
873 | part->relsect,␊ |
874 | part,␊ |
875 | HFSInitPartition,␊ |
876 | HFSLoadFile,␊ |
877 | HFSReadFile,␊ |
878 | HFSGetDirEntry,␊ |
879 | HFSGetFileBlock,␊ |
880 | HFSGetUUID,␊ |
881 | HFSGetDescription,␊ |
882 | HFSFree,␊ |
883 | 0,␊ |
884 | kBIOSDevTypeHardDrive, 0);␊ |
885 | break;␊ |
886 | ␊ |
887 | // turbo - we want the booter type scanned also␊ |
888 | case FDISK_BOOTER:␊ |
889 | if (part->bootid & FDISK_ACTIVE) {␊ |
890 | gBIOSBootVolume = newFDiskBVRef(␊ |
891 | biosdev, partno,␊ |
892 | part->relsect,␊ |
893 | part,␊ |
894 | HFSInitPartition,␊ |
895 | HFSLoadFile,␊ |
896 | HFSReadFile,␊ |
897 | HFSGetDirEntry,␊ |
898 | HFSGetFileBlock,␊ |
899 | HFSGetUUID,␊ |
900 | HFSGetDescription,␊ |
901 | HFSFree,␊ |
902 | 0,␊ |
903 | kBIOSDevTypeHardDrive, 0);␊ |
904 | break;␊ |
905 | }␊ |
906 | #ifndef UFS_SUPPORT␉␉␉␉␉␉␊ |
907 | break;␊ |
908 | #else␉␉␉␉␉␉␊ |
909 | ␊ |
910 | //case FDISK_BOOTER:␊ |
911 | booterUFS = newFDiskBVRef(␊ |
912 | biosdev, partno,␊ |
913 | ((part->relsect + spc - 1) / spc) * spc,␊ |
914 | part,␊ |
915 | UFSInitPartition,␊ |
916 | UFSLoadFile,␊ |
917 | UFSReadFile,␊ |
918 | UFSGetDirEntry,␊ |
919 | UFSGetFileBlock,␊ |
920 | UFSGetUUID,␊ |
921 | UFSGetDescription,␊ |
922 | UFSFree,␊ |
923 | 0,␊ |
924 | kBIOSDevTypeHardDrive, 0);␊ |
925 | break;␊ |
926 | #endif␊ |
927 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
928 | case FDISK_FAT32:␊ |
929 | case FDISK_DOS12:␊ |
930 | case FDISK_DOS16S:␊ |
931 | case FDISK_DOS16B:␊ |
932 | case FDISK_SMALLFAT32:␊ |
933 | case FDISK_DOS16SLBA:␊ |
934 | bvr = newFDiskBVRef(␊ |
935 | biosdev, partno,␊ |
936 | part->relsect,␊ |
937 | part,␊ |
938 | MSDOSInitPartition,␊ |
939 | MSDOSLoadFile,␊ |
940 | MSDOSReadFile,␊ |
941 | MSDOSGetDirEntry,␊ |
942 | MSDOSGetFileBlock,␊ |
943 | MSDOSGetUUID,␊ |
944 | MSDOSGetDescription,␊ |
945 | MSDOSFree,␊ |
946 | 0,␊ |
947 | kBIOSDevTypeHardDrive, 0);␊ |
948 | break;␊ |
949 | case FDISK_NTFS:␊ |
950 | bvr = newFDiskBVRef(␊ |
951 | biosdev, partno,␊ |
952 | part->relsect,␊ |
953 | part,␊ |
954 | 0, 0, 0, 0, 0,␊ |
955 | NTFSGetUUID,␊ |
956 | NTFSGetDescription,␊ |
957 | (BVFree)free,␊ |
958 | 0, kBIOSDevTypeHardDrive, 0);␊ |
959 | break;␊ |
960 | #endif␊ |
961 | ␊ |
962 | #ifndef NO_LINUX_SUPPORT␊ |
963 | ␊ |
964 | case FDISK_LINUX:␊ |
965 | bvr = newFDiskBVRef(␊ |
966 | biosdev, partno,␊ |
967 | part->relsect,␊ |
968 | part,␊ |
969 | 0, 0, 0, 0, 0, 0,␊ |
970 | EX2GetDescription,␊ |
971 | (BVFree)free,␊ |
972 | 0, kBIOSDevTypeHardDrive, 0);␊ |
973 | break;␊ |
974 | #endif␊ |
975 | #ifndef NO_HAIKU_SUPPORT␉␉␉␉␉␉␊ |
976 | case FDISK_BEFS:␊ |
977 | bvr = newFDiskBVRef(␊ |
978 | biosdev, partno,␊ |
979 | part->relsect,␊ |
980 | part,␊ |
981 | 0, 0, 0, 0, 0, 0,␊ |
982 | BeFSGetDescription,␊ |
983 | (BVFree)free,␊ |
984 | 0, kBIOSDevTypeHardDrive, 0);␊ |
985 | break;␊ |
986 | #endif␊ |
987 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
988 | case FDISK_FREEBSD:␊ |
989 | bvr = newFDiskBVRef(␊ |
990 | biosdev, partno,␊ |
991 | part->relsect,␊ |
992 | part,␊ |
993 | 0, 0, 0, 0, 0, 0,␊ |
994 | FreeBSDGetDescription,␊ |
995 | (BVFree)free,␊ |
996 | 0, kBIOSDevTypeHardDrive, 0);␊ |
997 | break;␊ |
998 | ␊ |
999 | case FDISK_OPENBSD:␊ |
1000 | bvr = newFDiskBVRef(␊ |
1001 | biosdev, partno,␊ |
1002 | part->relsect,␊ |
1003 | part,␊ |
1004 | 0, 0, 0, 0, 0, 0,␊ |
1005 | OpenBSDGetDescription,␊ |
1006 | (BVFree)free,␊ |
1007 | 0, kBIOSDevTypeHardDrive, 0);␊ |
1008 | break;␊ |
1009 | #endif␊ |
1010 | default:␊ |
1011 | #if UNUSED␊ |
1012 | bvr = newFDiskBVRef(␊ |
1013 | biosdev, partno,␊ |
1014 | part->relsect,␊ |
1015 | part,␊ |
1016 | 0, 0, 0, 0, 0, 0, 0,␊ |
1017 | (BVFree)free,␊ |
1018 | 0,␊ |
1019 | kBIOSDevTypeHardDrive, 0);␊ |
1020 | #endif␊ |
1021 | break;␊ |
1022 | }␊ |
1023 | ␊ |
1024 | if ( bvr )␊ |
1025 | {␊ |
1026 | bvr->next = map->bvr;␊ |
1027 | map->bvr = bvr;␊ |
1028 | map->bvrcnt++;␊ |
1029 | }␊ |
1030 | }␊ |
1031 | ␊ |
1032 | #ifdef UFS_SUPPORT␊ |
1033 | // Booting from a CD with an UFS filesystem embedded␊ |
1034 | // in a booter partition.␊ |
1035 | ␊ |
1036 | if ( booterUFS )␊ |
1037 | {␊ |
1038 | if ( map->bvrcnt == 0 )␊ |
1039 | {␊ |
1040 | map->bvr = booterUFS;␊ |
1041 | map->bvrcnt++;␊ |
1042 | }␊ |
1043 | else free( booterUFS );␊ |
1044 | }␊ |
1045 | #endif␊ |
1046 | } while (0);␊ |
1047 | ␉␊ |
1048 | /*␊ |
1049 | * If no FDisk partition, then we will check for␊ |
1050 | * an Apple partition map elsewhere.␊ |
1051 | */␊ |
1052 | #if UNUSED␊ |
1053 | if (map->bvrcnt == 0) {␊ |
1054 | ␉␉static struct fdisk_part cdpart;␊ |
1055 | ␉␉cdpart.systid = 0xCD;␊ |
1056 | ␉␉␊ |
1057 | ␉␉/* Let's try assuming we are on a hybrid HFS/ISO9660 CD. */␊ |
1058 | ␉␉bvr = newFDiskBVRef(␊ |
1059 | biosdev, 0,␊ |
1060 | 0,␊ |
1061 | &cdpart,␊ |
1062 | HFSInitPartition,␊ |
1063 | HFSLoadFile,␊ |
1064 | HFSReadFile,␊ |
1065 | HFSGetDirEntry,␊ |
1066 | HFSGetFileBlock,␊ |
1067 | HFSGetUUID,␊ |
1068 | HFSGetDescription,␊ |
1069 | HFSFree,␊ |
1070 | 0,␊ |
1071 | kBIOSDevTypeHardDrive, 0);␊ |
1072 | ␉␉bvr->next = map->bvr;␊ |
1073 | ␉␉map->bvr = bvr;␊ |
1074 | ␉␉map->bvrcnt++;␊ |
1075 | }␊ |
1076 | #endif␊ |
1077 | // Actually this should always be true given the above code␊ |
1078 | if(map == gDiskBVMap)␊ |
1079 | {␊ |
1080 | // Don't leave a null map in the chain␊ |
1081 | if(map->bvrcnt == 0 && map->bvr == NULL)␊ |
1082 | {␊ |
1083 | gDiskBVMap = map->next;␊ |
1084 | free(map);␊ |
1085 | map = NULL;␊ |
1086 | }␊ |
1087 | }␊ |
1088 | ␉␊ |
1089 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1090 | ␉␊ |
1091 | return map ? map->bvr : NULL;␊ |
1092 | }␊ |
1093 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1094 | //==========================================================================␊ |
1095 | ␊ |
1096 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr )␊ |
1097 | {␊ |
1098 | struct DiskBVMap * map;␊ |
1099 | struct Block0 *block0_p;␊ |
1100 | unsigned int blksize;␊ |
1101 | unsigned int factor;␊ |
1102 | void *buffer = malloc(BPS);␊ |
1103 | ␉if (!buffer) {␊ |
1104 | return NULL;␊ |
1105 | }␊ |
1106 | /* Check for alternate block size */␊ |
1107 | if (readBytes( biosdev, 0, 0, BPS, buffer ) != 0) {␊ |
1108 | return NULL;␊ |
1109 | }␊ |
1110 | block0_p = buffer;␊ |
1111 | if (OSSwapBigToHostInt16(block0_p->sbSig) == BLOCK0_SIGNATURE) {␊ |
1112 | blksize = OSSwapBigToHostInt16(block0_p->sbBlkSize);␊ |
1113 | if (blksize != BPS) {␊ |
1114 | free(buffer);␊ |
1115 | buffer = malloc(blksize);␊ |
1116 | if (!buffer) {␊ |
1117 | return NULL;␊ |
1118 | }␊ |
1119 | }␊ |
1120 | factor = blksize / BPS;␊ |
1121 | } else {␊ |
1122 | blksize = BPS;␊ |
1123 | factor = 1;␊ |
1124 | }␊ |
1125 | ␊ |
1126 | // Create a new mapping.␊ |
1127 | ␊ |
1128 | map = (struct DiskBVMap *) malloc( sizeof(*map) );␊ |
1129 | if ( !map )␊ |
1130 | {␊ |
1131 | return NULL;␊ |
1132 | }␊ |
1133 | ␊ |
1134 | do {␊ |
1135 | ␊ |
1136 | int error;␊ |
1137 | DPME *dpme_p = (DPME *)buffer;␊ |
1138 | UInt32 i, npart = UINT_MAX;␊ |
1139 | BVRef bvr;␊ |
1140 | ␊ |
1141 | map->biosdev = biosdev;␊ |
1142 | map->bvr = NULL;␊ |
1143 | map->bvrcnt = 0;␊ |
1144 | map->next = gDiskBVMap;␊ |
1145 | gDiskBVMap = map;␊ |
1146 | ␊ |
1147 | for (i=0; i<npart; i++) {␊ |
1148 | error = readBytes( biosdev, (kAPMSector + i) * factor, 0, blksize, buffer );␊ |
1149 | ␊ |
1150 | if (error || OSSwapBigToHostInt16(dpme_p->dpme_signature) != DPME_SIGNATURE) {␊ |
1151 | break;␊ |
1152 | }␊ |
1153 | ␊ |
1154 | if (i==0) {␊ |
1155 | npart = OSSwapBigToHostInt32(dpme_p->dpme_map_entries);␊ |
1156 | }␊ |
1157 | /*␊ |
1158 | printf("name = %s, %s%s %d -> %d [%d -> %d] {%d}\n",␊ |
1159 | dpme.dpme_name, dpme.dpme_type, (dpme.dpme_flags & DPME_FLAGS_BOOTABLE) ? "(bootable)" : "",␊ |
1160 | dpme.dpme_pblock_start, dpme.dpme_pblocks,␊ |
1161 | dpme.dpme_lblock_start, dpme.dpme_lblocks,␊ |
1162 | dpme.dpme_boot_block);␊ |
1163 | */␊ |
1164 | ␊ |
1165 | if (strcmp(dpme_p->dpme_type, "Apple_HFS") == 0) {␊ |
1166 | bvr = newAPMBVRef(biosdev,␊ |
1167 | i,␊ |
1168 | OSSwapBigToHostInt32(dpme_p->dpme_pblock_start) * factor,␊ |
1169 | dpme_p,␊ |
1170 | HFSInitPartition,␊ |
1171 | HFSLoadFile,␊ |
1172 | HFSReadFile,␊ |
1173 | HFSGetDirEntry,␊ |
1174 | HFSGetFileBlock,␊ |
1175 | HFSGetUUID,␊ |
1176 | HFSGetDescription,␊ |
1177 | HFSFree,␊ |
1178 | 0,␊ |
1179 | kBIOSDevTypeHardDrive, 0);␊ |
1180 | bvr->next = map->bvr;␊ |
1181 | map->bvr = bvr;␊ |
1182 | map->bvrcnt++;␊ |
1183 | }␊ |
1184 | } ␊ |
1185 | } while (0);␊ |
1186 | ␉␊ |
1187 | free(buffer);␊ |
1188 | ␉␊ |
1189 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1190 | ␉␊ |
1191 | return map ? map->bvr : NULL;␊ |
1192 | }␊ |
1193 | ␊ |
1194 | //==========================================================================␊ |
1195 | #endif ␊ |
1196 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1197 | ␊ |
1198 | /*␊ |
1199 | * Trying to figure out the filsystem type of a given partition.␊ |
1200 | */␊ |
1201 | static int probeFileSystem(int biosdev, unsigned int blkoff)␊ |
1202 | {␊ |
1203 | ␉// detected filesystem type;␊ |
1204 | ␉int result = -1;␊ |
1205 | #ifndef NO_WIN_SUPPORT␊ |
1206 | ␉int fatbits;␊ |
1207 | #endif␊ |
1208 | ␊ |
1209 | ␉// Allocating buffer for 4 sectors.␊ |
1210 | ␉const void * probeBuffer = malloc(PROBEFS_SIZE);␊ |
1211 | ␉if (probeBuffer == NULL)␊ |
1212 | ␉␉goto exit;␊ |
1213 | ␉␊ |
1214 | ␉// Reading first 4 sectors of current partition␊ |
1215 | ␉int error = readBytes(biosdev, blkoff, 0, PROBEFS_SIZE, (void *)probeBuffer);␊ |
1216 | ␉if (error)␊ |
1217 | ␉␉goto exit;␊ |
1218 | ␉␊ |
1219 | ␉if (HFSProbe(probeBuffer))␊ |
1220 | ␉␉result = FDISK_HFS;␊ |
1221 | #ifndef NO_LINUX_SUPPORT␊ |
1222 | ␉else if (EX2Probe(probeBuffer))␊ |
1223 | ␉␉result = FDISK_LINUX;␊ |
1224 | #endif␊ |
1225 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1226 | ␉else if (FreeBSDProbe(probeBuffer))␊ |
1227 | ␉␉result = FDISK_FREEBSD;␊ |
1228 | ␉else if (OpenBSDProbe(probeBuffer))␊ |
1229 | ␉␉result = FDISK_OPENBSD;␊ |
1230 | #endif␊ |
1231 | #ifndef NO_HAIKU_SUPPORT␊ |
1232 | ␉else if (BeFSProbe(probeBuffer))␊ |
1233 | ␉␉result = FDISK_BEFS;␊ |
1234 | #endif␊ |
1235 | #ifndef NO_WIN_SUPPORT␊ |
1236 | ␉else if (NTFSProbe(probeBuffer))␊ |
1237 | ␉␉result = FDISK_NTFS;␊ |
1238 | ␉else if ((fatbits=MSDOSProbe(probeBuffer)))␊ |
1239 | ␉{␊ |
1240 | ␉␉switch (fatbits)␊ |
1241 | ␉␉{␊ |
1242 | ␉␉␉case 32:␊ |
1243 | ␉␉␉default:␊ |
1244 | ␉␉␉␉result = FDISK_FAT32;␊ |
1245 | ␉␉␉␉break;␊ |
1246 | ␉␉␉case 16:␊ |
1247 | ␉␉␉␉result = FDISK_DOS16B;␊ |
1248 | ␉␉␉␉break;␊ |
1249 | ␉␉␉case 12:␊ |
1250 | ␉␉␉␉result = FDISK_DOS12;␊ |
1251 | ␉␉␉␉break;␉␉␉ ␊ |
1252 | ␉␉}␊ |
1253 | ␉}␊ |
1254 | #endif␊ |
1255 | ␉else␊ |
1256 | ␉␉// Couldn't detect filesystem type␊ |
1257 | ␉␉result = 0;␊ |
1258 | ␉␊ |
1259 | exit:␊ |
1260 | ␉if (probeBuffer != NULL) free((void *)probeBuffer);␊ |
1261 | ␉return result;␊ |
1262 | }␊ |
1263 | ␊ |
1264 | static bool isPartitionUsed(gpt_ent * partition)␊ |
1265 | {␊ |
1266 | //␊ |
1267 | // Ask whether the given partition is used.␊ |
1268 | //␊ |
1269 | ␉␊ |
1270 | return efi_guid_is_null((EFI_GUID const*)partition->ent_type) ? false : true;␊ |
1271 | }␊ |
1272 | ␊ |
1273 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1274 | ␊ |
1275 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr )␊ |
1276 | {␊ |
1277 | ␉if (biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) ␊ |
1278 | ␉␉return NULL;␊ |
1279 | ␉␊ |
1280 | struct DiskBVMap * map = NULL;␊ |
1281 | void *buffer = malloc(BPS);␊ |
1282 | if (!buffer) {␊ |
1283 | goto scanErr;␊ |
1284 | }␊ |
1285 | int error;␉␊ |
1286 | if ( (error = readBytes( biosdev, /*secno*/0, 0, BPS, buffer )) != 0) {␊ |
1287 | DBG("Failed to read boot sector from BIOS device %02xh. Error=%d\n", biosdev, error);␊ |
1288 | goto scanErr;␊ |
1289 | }␊ |
1290 | struct REAL_disk_blk0 *fdiskMap = buffer;␊ |
1291 | if ( OSSwapLittleToHostInt16(fdiskMap->signature) != DISK_SIGNATURE )␊ |
1292 | {␊ |
1293 | verbose("Failed to find boot signature on BIOS device %02xh\n", biosdev);␊ |
1294 | goto scanErr;␊ |
1295 | }␊ |
1296 | ␉␊ |
1297 | int fdiskID = 0;␊ |
1298 | unsigned index;␊ |
1299 | for ( index = 0; index < FDISK_NPART; index++ )␊ |
1300 | {␊ |
1301 | if ( fdiskMap->parts[index].systid )␊ |
1302 | {␊ |
1303 | if ( fdiskMap->parts[index].systid == 0xEE )␊ |
1304 | {␊ |
1305 | // Fail if two 0xEE partitions are present which␊ |
1306 | // means the FDISK code will wind up parsing it.␊ |
1307 | if ( fdiskID ) goto scanErr;␊ |
1308 | ␉␉␉␉␊ |
1309 | fdiskID = index + 1;␊ |
1310 | }␊ |
1311 | }␊ |
1312 | }␊ |
1313 | ␉␊ |
1314 | if ( fdiskID == 0 ) goto scanErr;␊ |
1315 | DBG("Attempting to read GPT\n");␊ |
1316 | ␉␊ |
1317 | if(readBytes(biosdev, 1, 0, BPS, buffer) != 0)␊ |
1318 | goto scanErr;␊ |
1319 | ␊ |
1320 | gpt_hdr *headerMap = buffer;␊ |
1321 | ␉␊ |
1322 | // Determine whether the partition header signature is present.␊ |
1323 | ␉␊ |
1324 | if ( memcmp(headerMap->hdr_sig, GPT_HDR_SIG, strlen(GPT_HDR_SIG)) )␊ |
1325 | {␊ |
1326 | goto scanErr;␊ |
1327 | }␊ |
1328 | ␉␊ |
1329 | // Determine whether the partition header size is valid.␊ |
1330 | ␉␊ |
1331 | UInt32 headerCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_self);␊ |
1332 | UInt32 headerSize = OSSwapLittleToHostInt32(headerMap->hdr_size);␊ |
1333 | ␉␊ |
1334 | if ( headerSize < offsetof(gpt_hdr, padding) )␊ |
1335 | {␊ |
1336 | goto scanErr;␊ |
1337 | }␊ |
1338 | ␉␊ |
1339 | if ( headerSize > BPS )␊ |
1340 | {␊ |
1341 | goto scanErr;␊ |
1342 | }␊ |
1343 | ␉␊ |
1344 | // Determine whether the partition header checksum is valid.␊ |
1345 | ␉␊ |
1346 | headerMap->hdr_crc_self = 0;␊ |
1347 | ␉␊ |
1348 | if ( crc32(0, headerMap, headerSize) != headerCheck )␊ |
1349 | {␊ |
1350 | goto scanErr;␊ |
1351 | }␊ |
1352 | ␉␊ |
1353 | // Determine whether the partition entry size is valid.␊ |
1354 | ␉␊ |
1355 | UInt64 gptBlock = 0;␊ |
1356 | //UInt32 gptCheck = 0;␊ |
1357 | UInt32 gptCount = 0;␊ |
1358 | UInt32 gptID = 0;␊ |
1359 | gpt_ent * gptMap = 0;␊ |
1360 | UInt32 gptSize = 0;␊ |
1361 | ␉␊ |
1362 | gptBlock = OSSwapLittleToHostInt64(headerMap->hdr_lba_table);␊ |
1363 | //gptCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_table);␊ |
1364 | gptCount = OSSwapLittleToHostInt32(headerMap->hdr_entries);␊ |
1365 | gptSize = OSSwapLittleToHostInt32(headerMap->hdr_entsz);␊ |
1366 | ␉␊ |
1367 | if ( gptSize < sizeof(gpt_ent) )␊ |
1368 | {␊ |
1369 | goto scanErr;␊ |
1370 | }␊ |
1371 | ␉␊ |
1372 | // Allocate a buffer large enough to hold one map, rounded to a media block.␊ |
1373 | free(buffer);␊ |
1374 | buffer = NULL;␊ |
1375 | ␉␊ |
1376 | UInt32 bufferSize = IORound(gptCount * gptSize, BPS);␊ |
1377 | if(bufferSize == 0)␊ |
1378 | goto scanErr;␊ |
1379 | buffer = malloc(bufferSize);␊ |
1380 | ␉if (!buffer) {␊ |
1381 | goto scanErr;␊ |
1382 | }␊ |
1383 | if(readBytes(biosdev, gptBlock, 0, bufferSize, buffer) != 0)␊ |
1384 | goto scanErr;␊ |
1385 | ␉␊ |
1386 | DBG("Read GPT\n");␊ |
1387 | ␉␊ |
1388 | // Allocate a new map for this BIOS device and insert it into the chain␊ |
1389 | map = malloc(sizeof(*map));␊ |
1390 | if (!map) {␊ |
1391 | goto scanErr;␊ |
1392 | }␊ |
1393 | map->biosdev = biosdev;␊ |
1394 | map->bvr = NULL;␊ |
1395 | map->bvrcnt = 0;␊ |
1396 | map->next = gDiskBVMap;␊ |
1397 | gDiskBVMap = map;␊ |
1398 | ␉␊ |
1399 | // fdisk like partition type id.␊ |
1400 | int fsType = 0;␊ |
1401 | ␊ |
1402 | for(gptID = 1; gptID <= gptCount; ++gptID)␊ |
1403 | {␊ |
1404 | ␉␉BVRef bvr = NULL;␊ |
1405 | ␉␉unsigned int bvrFlags = 0;␊ |
1406 | ␉␉␊ |
1407 | // size on disk can be larger than sizeof(gpt_ent)␊ |
1408 | gptMap = (gpt_ent *) ( buffer + ( (gptID - 1) * gptSize) );␊ |
1409 | ␉␉␊ |
1410 | // NOTE: EFI_GUID's are in LE and we know we're on an x86.␊ |
1411 | // The IOGUIDPartitionScheme.cpp code uses byte-based UUIDs, we don't.␊ |
1412 | ␉␉␊ |
1413 | if(isPartitionUsed(gptMap))␊ |
1414 | {␊ |
1415 | char stringuuid[100];␊ |
1416 | efi_guid_unparse_upper((EFI_GUID*)gptMap->ent_type, stringuuid);␊ |
1417 | verbose("Reading GPT partition %d, type %s\n", gptID, stringuuid);␊ |
1418 | ␉␉␉␊ |
1419 | // Getting fdisk like partition type.␊ |
1420 | fsType = probeFileSystem(biosdev, gptMap->ent_lba_start);␊ |
1421 | ␉␉␉␊ |
1422 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1423 | ␉␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1424 | {␊ |
1425 | #ifdef BOOT_HELPER_SUPPORT␊ |
1426 | bvrFlags = (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ? kBVFlagBooter : 0;␊ |
1427 | #else␊ |
1428 | ␉␉␉␉if (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ␊ |
1429 | ␉␉␉␉␉continue;␊ |
1430 | ␉␉␉␉else ␊ |
1431 | ␉␉␉␉␉bvrFlags = 0;␊ |
1432 | ␊ |
1433 | #endif␊ |
1434 | bvr = newGPTBVRef(biosdev,␊ |
1435 | ␉␉␉␉␉␉␉␉ gptID,␊ |
1436 | ␉␉␉␉␉␉␉␉ gptMap->ent_lba_start,␊ |
1437 | ␉␉␉␉␉␉␉␉ gptMap,␊ |
1438 | ␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1439 | ␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1440 | ␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1441 | ␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1442 | ␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1443 | ␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1444 | ␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1445 | ␉␉␉␉␉␉␉␉ HFSFree,␊ |
1446 | ␉␉␉␉␉␉␉␉ 0,␊ |
1447 | ␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, bvrFlags);␊ |
1448 | }␊ |
1449 | ␉␉␉␊ |
1450 | ␉␉␉// zef - foreign OS support␊ |
1451 | if ( (efi_guid_compare(&GPT_BASICDATA_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1452 | ␉␉␉␉(efi_guid_compare(&GPT_BASICDATA2_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1453 | {␊ |
1454 | ␉␉␉␉␊ |
1455 | ␉␉␉␉switch (fsType)␊ |
1456 | ␉␉␉␉{␊ |
1457 | #ifndef NO_WIN_SUPPORT␊ |
1458 | ␊ |
1459 | ␉␉␉␉␉case FDISK_NTFS:␊ |
1460 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1461 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, NTFSGetDescription,␊ |
1462 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1463 | ␉␉␉␉␉␉break;␊ |
1464 | #endif␊ |
1465 | ␉␉␉␉␉default:␊ |
1466 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1467 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, 0,␊ |
1468 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1469 | ␉␉␉␉␉␉break;␊ |
1470 | ␉␉␉␉}␊ |
1471 | ␉␉␉␉␊ |
1472 | }␊ |
1473 | ␉␉␉␊ |
1474 | // turbo - save our booter partition␊ |
1475 | // zef - only on original boot device␊ |
1476 | if ( (efi_guid_compare(&GPT_EFISYS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1477 | {␊ |
1478 | ␉␉␉␉switch (fsType)␊ |
1479 | ␉␉␉␉{␊ |
1480 | ␉␉␉␉␉case FDISK_HFS:␊ |
1481 | ␉␉␉␉␉␉if (readBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1482 | ␉␉␉␉␉␉{␊ |
1483 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1484 | ␉␉␉␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1485 | ␉␉␉␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1486 | ␉␉␉␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1487 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1488 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1489 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1490 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1491 | ␉␉␉␉␉␉␉␉␉␉␉ HFSFree,␊ |
1492 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1493 | ␉␉␉␉␉␉}␊ |
1494 | ␉␉␉␉␉␉break;␊ |
1495 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
1496 | ␉␉␉␉␉case FDISK_FAT32:␊ |
1497 | ␉␉␉␉␉␉if (testFAT32EFIBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1498 | ␉␉␉␉␉␉{␊ |
1499 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1500 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSInitPartition,␊ |
1501 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSLoadFile,␊ |
1502 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSReadFile,␊ |
1503 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDirEntry,␊ |
1504 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetFileBlock,␊ |
1505 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetUUID,␊ |
1506 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDescription,␊ |
1507 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSFree,␊ |
1508 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1509 | ␉␉␉␉␉␉}␊ |
1510 | ␉␉␉␉␉␉break;␊ |
1511 | #endif␊ |
1512 | ␉␉␉␉␉default:␉␉␉␉␉␉␊ |
1513 | ␉␉␉␉␉␉if (biosdev == (int)get_env(envgBIOSDev))␊ |
1514 | ␉␉␉␉␉␉␉gBIOSBootVolume = bvr;␊ |
1515 | ␉␉␉␉␉␉break;␊ |
1516 | ␉␉␉␉}␊ |
1517 | } ␊ |
1518 | ␉␉␉␊ |
1519 | ␉␉␉if (bvr)␊ |
1520 | ␉␉␉{␊ |
1521 | ␉␉␉␉// Fixup bvr with the fake fdisk partition type.␊ |
1522 | ␉␉␉␉if (fsType > 0) bvr->part_type = fsType;␊ |
1523 | ␉␉␉␉␊ |
1524 | ␉␉␉␉bvr->next = map->bvr;␊ |
1525 | ␉␉␉␉map->bvr = bvr;␊ |
1526 | ␉␉␉␉++map->bvrcnt;␊ |
1527 | ␉␉␉}␊ |
1528 | ␉␉␉␊ |
1529 | }␊ |
1530 | }␊ |
1531 | ␉␊ |
1532 | scanErr:␊ |
1533 | if (buffer) free(buffer);␊ |
1534 | ␉␊ |
1535 | if(map)␊ |
1536 | {␊ |
1537 | if(countPtr) *countPtr = map->bvrcnt;␊ |
1538 | return map->bvr;␊ |
1539 | }␊ |
1540 | else␊ |
1541 | {␊ |
1542 | if(countPtr) *countPtr = 0;␊ |
1543 | return NULL;␊ |
1544 | }␊ |
1545 | }␊ |
1546 | ␊ |
1547 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id )␊ |
1548 | {␊ |
1549 | ␉if(dict->type != kTagTypeArray) return 0;␊ |
1550 | ␉␊ |
1551 | ␉int element = 0;␊ |
1552 | ␉TagPtr tmp = dict->tag;␊ |
1553 | ␉int entry_count = XMLTagCount(dict);␊ |
1554 | ␉␊ |
1555 | ␉while(element < entry_count)␊ |
1556 | ␉{␊ |
1557 | ␉␉char *Identifier = NULL;␊ |
1558 | ␉␉Identifier = XMLCastString(XMLGetProperty(tmp, (const char*)"Identifier"));␊ |
1559 | ␉␉␊ |
1560 | ␉␉if (Identifier && (strcmp(Identifier, id) == 0))␊ |
1561 | ␉␉{␉␉␉␊ |
1562 | ␉␉␉return tmp;␊ |
1563 | ␉␉}␊ |
1564 | ␉␉␊ |
1565 | ␉␉element++;␊ |
1566 | ␉␉tmp = tmp->tagNext;␊ |
1567 | ␉}␊ |
1568 | ␉␊ |
1569 | ␉return tmp;␊ |
1570 | }␊ |
1571 | ␊ |
1572 | static bool getOSInstallVersion(const char *dirSpec, char *str, config_file_t *systemVersion)␊ |
1573 | {␊ |
1574 | if (!loadConfigFile(dirSpec, systemVersion))␊ |
1575 | {␊ |
1576 | TagPtr pkg_p = XMLCastArray(XMLGetProperty(systemVersion->dictionary, (const char*)"Packages"));␊ |
1577 | ␊ |
1578 | if (pkg_p)␊ |
1579 | {␊ |
1580 | ␊ |
1581 | char *version = NULL;␊ |
1582 | ␊ |
1583 | version = XMLCastString(XMLGetProperty(␊ |
1584 | XMLGetElementWithID(pkg_p, ␊ |
1585 | "com.apple.mpkg.OSInstall"), ␊ |
1586 | (const char*)"Version"));␊ |
1587 | ␊ |
1588 | if (version && strlen(version) >= 4) ␊ |
1589 | {␊ |
1590 | *str = '\0';␊ |
1591 | strncat(str, version, 4);␊ |
1592 | return true;␊ |
1593 | ␊ |
1594 | }␉␉␉␉␉␉␊ |
1595 | }␉␉␉␉␉␊ |
1596 | }␊ |
1597 | ␊ |
1598 | return false;␊ |
1599 | }␊ |
1600 | ␊ |
1601 | static bool getOSVersion(BVRef bvr, char *str)␊ |
1602 | {␊ |
1603 | ␉bool valid = false;␉␊ |
1604 | ␉config_file_t systemVersion;␊ |
1605 | ␉char dirSpec[512];␉␊ |
1606 | ␉␊ |
1607 | ␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/SystemVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1608 | ␉␊ |
1609 | ␉if (!loadConfigFile(dirSpec, &systemVersion))␊ |
1610 | ␉{␊ |
1611 | ␉␉valid = true;␊ |
1612 | ␉}␊ |
1613 | ␉else ␊ |
1614 | ␉{␊ |
1615 | ␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/ServerVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1616 | ␉␉␊ |
1617 | ␉␉if (!loadConfigFile(dirSpec, &systemVersion))␊ |
1618 | ␉␉{␉␊ |
1619 | bvr->OSisServer = true;␊ |
1620 | ␉␉␉valid = true;␊ |
1621 | ␉␉}␊ |
1622 | ␉␉else ␊ |
1623 | ␉␉{␊ |
1624 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/OS X Install Data/index.sproduct", BIOS_DEV_UNIT(bvr), bvr->part_no); // 10.8␊ |
1625 | ␉␉␉␊ |
1626 | ␉␉␉if (!getOSInstallVersion(dirSpec, str, &systemVersion))␊ |
1627 | ␉␉␉{␊ |
1628 | sprintf(dirSpec, "hd(%d,%d)/Mac OS X Install Data/index.sproduct", BIOS_DEV_UNIT(bvr), bvr->part_no); // 10.7␊ |
1629 | ␊ |
1630 | if (!getOSInstallVersion(dirSpec, str, &systemVersion))␊ |
1631 | return false;␊ |
1632 | else␊ |
1633 | return true;␊ |
1634 | ␊ |
1635 | ␉␉␉}␊ |
1636 | else return true;␊ |
1637 | ␉␉}␊ |
1638 | ␉}␊ |
1639 | ␉␊ |
1640 | ␉if (valid)␊ |
1641 | ␉{␉␉␊ |
1642 | ␉␉const char *val;␊ |
1643 | ␉␉int len;␊ |
1644 | ␉␉␊ |
1645 | ␉␉if (getValueForKey(kProductVersion, &val, &len, &systemVersion))␊ |
1646 | ␉␉{␊ |
1647 | ␉␉␉// getValueForKey uses const char for val␊ |
1648 | ␉␉␉// so copy it and trim␊ |
1649 | ␉␉␉*str = '\0';␊ |
1650 | ␉␉␉strncat(str, val, MIN(len, 4));␊ |
1651 | ␉␉}␊ |
1652 | ␉␉else␊ |
1653 | ␉␉␉valid = false;␊ |
1654 | ␉}␊ |
1655 | ␉␊ |
1656 | ␉return valid;␊ |
1657 | }␊ |
1658 | ␊ |
1659 | static bool CheckDarwin(BVRef bvr)␊ |
1660 | {␊ |
1661 | long flags, time, ret = -1; ␊ |
1662 | ␊ |
1663 | char dirspec[128];␊ |
1664 | ␊ |
1665 | char *kdirspec[] = {␊ |
1666 | ␉␉"hd(%d,%d)/mach_kernel",␊ |
1667 | #if UNUSED␊ |
1668 | ␉␉"hd(%d,%d)/System/Library/CoreServices/mach_kernel" ␊ |
1669 | #endif␊ |
1670 | ␉};␊ |
1671 | ␊ |
1672 | bvr->kernelfound = true;␊ |
1673 | ␊ |
1674 | sprintf(dirspec,kdirspec[0],BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1675 | ␊ |
1676 | ret = GetFileInfo(NULL, dirspec, &flags, &time);␊ |
1677 | ␊ |
1678 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
1679 | #if UNUSED␊ |
1680 | ␊ |
1681 | sprintf(dirspec,kdirspec[1],BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1682 | ␊ |
1683 | ret = GetFileInfo(NULL, dirspec, &flags, &time); ␊ |
1684 | ␊ |
1685 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) ␊ |
1686 | #endif␊ |
1687 | {␊ |
1688 | bvr->kernelfound = false; // Non fatal, let the booter determine the directory ␊ |
1689 | }␊ |
1690 | ␊ |
1691 | } ␊ |
1692 | ␊ |
1693 | if (bvr->kernelfound == true) {␊ |
1694 | DBG("Kernel found !!, path : %s\n",dirspec);␊ |
1695 | }␊ |
1696 | ␊ |
1697 | ␊ |
1698 | return getOSVersion(bvr,bvr->OSVersion);␊ |
1699 | }␊ |
1700 | ␊ |
1701 | //==========================================================================␊ |
1702 | ␊ |
1703 | static void scanFSLevelBVRSettings(BVRef chain)␊ |
1704 | {␊ |
1705 | ␉BVRef bvr;␊ |
1706 | #ifdef BOOT_HELPER_SUPPORT␊ |
1707 | int ret;␊ |
1708 | ␉char label[BVSTRLEN];␊ |
1709 | ␉int fh, fileSize, error;␊ |
1710 | #endif␊ |
1711 | ␉for (bvr = chain; bvr < (BVRef)ULONG_MAX; bvr = bvr->next) {␊ |
1712 | if (!bvr) {␊ |
1713 | break;␊ |
1714 | }␊ |
1715 | #ifdef BOOT_HELPER_SUPPORT␊ |
1716 | ␉␉error = 0;␊ |
1717 | ␊ |
1718 | ␉␉//␊ |
1719 | ␉␉// Check for alternate volume label on boot helper partitions.␊ |
1720 | ␉␉//␊ |
1721 | ␉␉if (bvr->flags & kBVFlagBooter)␊ |
1722 | ␉␉{␊ |
1723 | ␉␉␉sprintf(dirSpec, "hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1724 | ␉␉␉strcpy(fileSpec, ".disk_label.contentDetails");␊ |
1725 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1726 | ␉␉␉if (!ret)␊ |
1727 | ␉␉␉{␊ |
1728 | ␉␉␉␉fh = open(strcat(dirSpec, fileSpec));␊ |
1729 | ␉␉␉␉fileSize = file_size(fh);␊ |
1730 | ␉␉␉␉if (fileSize > 0 && fileSize < BVSTRLEN)␊ |
1731 | ␉␉␉␉{␊ |
1732 | ␉␉␉␉␉if (read(fh, label, fileSize) != fileSize)␊ |
1733 | ␉␉␉␉␉␉error = -1;␊ |
1734 | ␉␉␉␉}␊ |
1735 | ␉␉␉␉else␊ |
1736 | ␉␉␉␉␉error = -1;␊ |
1737 | ␉␉␉␉␊ |
1738 | ␉␉␉␉close(fh);␊ |
1739 | ␉␉␉␉␊ |
1740 | ␉␉␉␉if (!error)␊ |
1741 | ␉␉␉␉{␊ |
1742 | ␉␉␉␉␉label[fileSize] = '\0';␊ |
1743 | ␉␉␉␉␉strcpy(bvr->altlabel, label);␊ |
1744 | ␉␉␉␉}␊ |
1745 | ␉␉␉}␊ |
1746 | ␉␉}␊ |
1747 | #endif␊ |
1748 | ␉␉//␊ |
1749 | ␉␉// Check for SystemVersion.plist or ServerVersion.plist␊ |
1750 | ␉␉// to determine if a volume hosts an installed system.␊ |
1751 | ␉␉//␊ |
1752 | ␉␉if (bvr->flags & kBVFlagNativeBoot)␊ |
1753 | ␉␉{␊ |
1754 | ␉␉␉if (CheckDarwin(bvr) == true)␊ |
1755 | ␉␉␉{␊ |
1756 | ␉␉␉␉bvr->flags |= kBVFlagSystemVolume;␊ |
1757 | ␉␉␉}␊ |
1758 | ␉␉}␊ |
1759 | ␉␉␊ |
1760 | ␉}␊ |
1761 | }␊ |
1762 | #ifndef OPTION_ROM␊ |
1763 | void rescanBIOSDevice(int biosdev)␊ |
1764 | {␊ |
1765 | ␉struct DiskBVMap *oldMap = diskResetBootVolumes(biosdev);␊ |
1766 | ␉CacheReset();␊ |
1767 | ␉diskFreeMap(oldMap);␊ |
1768 | ␉oldMap = NULL;␊ |
1769 | ␉scanBootVolumes(biosdev, 0);␊ |
1770 | }␊ |
1771 | #endif␊ |
1772 | ␊ |
1773 | struct DiskBVMap* diskResetBootVolumes(int biosdev)␊ |
1774 | {␊ |
1775 | struct DiskBVMap * map;␊ |
1776 | struct DiskBVMap *prevMap = NULL;␊ |
1777 | for ( map = gDiskBVMap; map; prevMap = map, map = map->next ) {␊ |
1778 | if ( biosdev == map->biosdev ) {␊ |
1779 | break;␊ |
1780 | }␊ |
1781 | }␊ |
1782 | if(map != NULL)␊ |
1783 | {␊ |
1784 | verbose("Resetting BIOS device %xh\n", biosdev);␊ |
1785 | // Reset the biosbuf cache␊ |
1786 | cache_valid = false;␊ |
1787 | if(map == gDiskBVMap)␊ |
1788 | gDiskBVMap = map->next;␊ |
1789 | else if(prevMap != NULL)␊ |
1790 | prevMap->next = map->next;␊ |
1791 | else␊ |
1792 | stop("");␊ |
1793 | }␊ |
1794 | // Return the old map, either to be freed, or reinserted later␊ |
1795 | return map;␊ |
1796 | }␊ |
1797 | ␊ |
1798 | // Frees a DiskBVMap and all of its BootVolume's␊ |
1799 | void diskFreeMap(struct DiskBVMap *map)␊ |
1800 | {␊ |
1801 | if(map != NULL)␊ |
1802 | {␊ |
1803 | while(map->bvr != NULL)␊ |
1804 | {␊ |
1805 | BVRef bvr = map->bvr;␊ |
1806 | map->bvr = bvr->next;␊ |
1807 | (*bvr->bv_free)(bvr);␊ |
1808 | }␊ |
1809 | free(map);␊ |
1810 | }␊ |
1811 | }␊ |
1812 | ␊ |
1813 | BVRef diskScanBootVolumes( int biosdev, int * countPtr )␊ |
1814 | {␊ |
1815 | struct DiskBVMap * map;␊ |
1816 | BVRef bvr;␊ |
1817 | int count = 0;␊ |
1818 | ␉␊ |
1819 | // Find an existing mapping for this device.␊ |
1820 | ␉␊ |
1821 | for ( map = gDiskBVMap; map; map = map->next ) {␊ |
1822 | if ( biosdev == map->biosdev ) {␊ |
1823 | count = map->bvrcnt;␊ |
1824 | break;␊ |
1825 | }␊ |
1826 | }␊ |
1827 | ␉␊ |
1828 | if (map == NULL) {␊ |
1829 | bvr = diskScanGPTBootVolumes(biosdev, &count);␊ |
1830 | if (bvr == NULL) {␊ |
1831 | ␉␉␉bvr = diskScanFDiskBootVolumes(biosdev, &count);␊ |
1832 | }␊ |
1833 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1834 | if (bvr == NULL) {␊ |
1835 | ␉␉␉bvr = diskScanAPMBootVolumes(biosdev, &count);␊ |
1836 | }␊ |
1837 | #endif␊ |
1838 | if (bvr)␊ |
1839 | {␊ |
1840 | ␉␉␉scanFSLevelBVRSettings(bvr);␊ |
1841 | }␊ |
1842 | } else {␊ |
1843 | bvr = map->bvr;␊ |
1844 | }␊ |
1845 | if (countPtr) *countPtr += count;␊ |
1846 | return bvr;␊ |
1847 | }␊ |
1848 | ␊ |
1849 | BVRef getBVChainForBIOSDev(int biosdev)␊ |
1850 | {␊ |
1851 | ␉BVRef chain = NULL;␊ |
1852 | ␉struct DiskBVMap * map = NULL;␊ |
1853 | ␉␊ |
1854 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1855 | ␉{␊ |
1856 | ␉␉if (map->biosdev == biosdev)␊ |
1857 | ␉␉{␊ |
1858 | ␉␉␉chain = map->bvr;␊ |
1859 | ␉␉␉break;␊ |
1860 | ␉␉}␊ |
1861 | ␉}␊ |
1862 | ␉␊ |
1863 | ␉return chain;␊ |
1864 | }␊ |
1865 | ␊ |
1866 | BVRef newFilteredBVChain(int minBIOSDev, int maxBIOSDev, unsigned int allowFlags, unsigned int denyFlags, int *count)␊ |
1867 | {␊ |
1868 | ␉BVRef chain = NULL;␊ |
1869 | ␉BVRef bvr = NULL;␊ |
1870 | ␉BVRef newBVR = NULL;␊ |
1871 | ␉BVRef prevBVR = NULL;␊ |
1872 | ␉␊ |
1873 | ␉struct DiskBVMap * map = NULL;␊ |
1874 | ␉int bvCount = 0;␊ |
1875 | ␉␊ |
1876 | ␉const char *raw = 0;␊ |
1877 | ␉char* val = 0;␊ |
1878 | ␉int len;␊ |
1879 | ␊ |
1880 | ␉getValueForKey(kHidePartition, &raw, &len, DEFAULT_BOOT_CONFIG);␊ |
1881 | ␉if(raw)␊ |
1882 | ␉{␊ |
1883 | ␉␉val = XMLDecode(raw); ␊ |
1884 | ␉}␊ |
1885 | ␉␊ |
1886 | ␉/*␊ |
1887 | ␉ * Traverse gDISKBVmap to get references for␊ |
1888 | ␉ * individual bvr chains of each drive.␊ |
1889 | ␉ */␊ |
1890 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1891 | ␉{␊ |
1892 | ␉␉for (bvr = map->bvr; bvr; bvr = bvr->next)␊ |
1893 | ␉␉{␊ |
1894 | ␉␉␉/*␊ |
1895 | ␉␉␉ * Save the last bvr.␊ |
1896 | ␉␉␉ */␊ |
1897 | ␉␉␉if (newBVR) prevBVR = newBVR;␊ |
1898 | ␉␉␉␊ |
1899 | ␉␉␉/*␊ |
1900 | ␉␉␉ * Allocate and copy the matched bvr entry into a new one.␊ |
1901 | ␉␉␉ */␊ |
1902 | ␉␉␉newBVR = (BVRef) malloc(sizeof(*newBVR));␊ |
1903 | if (!newBVR) {␊ |
1904 | continue;␊ |
1905 | }␊ |
1906 | ␉␉␉bcopy(bvr, newBVR, sizeof(*newBVR));␊ |
1907 | ␉␉␉␊ |
1908 | ␉␉␉/*␊ |
1909 | ␉␉␉ * Adjust the new bvr's fields.␊ |
1910 | ␉␉␉ */␊ |
1911 | ␉␉␉newBVR->next = NULL;␊ |
1912 | ␉␉␉newBVR->filtered = true;␊ |
1913 | ␉␉␉␊ |
1914 | ␉␉␉if ( (!allowFlags || newBVR->flags & allowFlags)␊ |
1915 | ␉␉␉␉&& (!denyFlags || !(newBVR->flags & denyFlags) )␊ |
1916 | ␉␉␉␉&& (newBVR->biosdev >= minBIOSDev && newBVR->biosdev <= maxBIOSDev)␊ |
1917 | ␉␉␉␉)␊ |
1918 | ␉␉␉␉newBVR->visible = true;␊ |
1919 | ␉␉␉␊ |
1920 | ␉␉␉/* Looking for "Hide Partition" entries in 'hd(x,y)|uuid|"label" hd(m,n)|uuid|"label"' format␊ |
1921 | ␉␉␉ * to be able to hide foreign partitions from the boot menu.␊ |
1922 | ␉␉␉ */␊ |
1923 | ␉␉␉if ( (newBVR->flags & kBVFlagForeignBoot) )␊ |
1924 | ␉␉␉{␊ |
1925 | ␉␉␉␉char *start, *next = val;␊ |
1926 | ␉␉␉␉long len = 0; ␊ |
1927 | ␉␉␉␉do␊ |
1928 | ␉␉␉␉{␊ |
1929 | ␉␉␉␉␉start = strbreak(next, &next, &len);␊ |
1930 | ␉␉␉␉␉if(len && matchVolumeToString(newBVR, start, len) )␊ |
1931 | ␉␉␉␉␉␉newBVR->visible = false;␊ |
1932 | ␉␉␉␉}␊ |
1933 | ␉␉␉␉while ( next && *next );␊ |
1934 | ␉␉␉}␊ |
1935 | ␉␉␉␊ |
1936 | ␉␉␉/*␊ |
1937 | ␉␉␉ * Use the first bvr entry as the starting chain pointer.␊ |
1938 | ␉␉␉ */␊ |
1939 | ␉␉␉if (!chain)␊ |
1940 | ␉␉␉␉chain = newBVR;␊ |
1941 | ␉␉␉␊ |
1942 | ␉␉␉/*␊ |
1943 | ␉␉␉ * Update the previous bvr's link pointer to use the new memory area.␊ |
1944 | ␉␉␉ */␊ |
1945 | ␉␉␉if (prevBVR)␊ |
1946 | ␉␉␉␉prevBVR->next = newBVR;␊ |
1947 | ␉␉␉␊ |
1948 | ␉␉␉if (newBVR->visible)␊ |
1949 | ␉␉␉␉bvCount++;␊ |
1950 | ␉␉}␊ |
1951 | ␉}␊ |
1952 | ␉␊ |
1953 | #if DEBUG␊ |
1954 | ␉for (bvr = chain; bvr < (BVRef)ULONG_MAX; bvr = bvr->next) {␊ |
1955 | if (!bvr) {␊ |
1956 | break;␊ |
1957 | }␊ |
1958 | ␉␉printf(" bvr: %d, dev: %d, part: %d, flags: %d, vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->visible);␊ |
1959 | ␉}␊ |
1960 | ␉printf("count: %d\n", bvCount);␊ |
1961 | ␉getc();␊ |
1962 | #endif␊ |
1963 | ␉␊ |
1964 | ␉*count = bvCount;␊ |
1965 | ␉␊ |
1966 | ␉free(val); ␊ |
1967 | ␉return chain;␊ |
1968 | }␊ |
1969 | ␊ |
1970 | int freeFilteredBVChain(const BVRef chain)␊ |
1971 | {␊ |
1972 | ␉int ret = 1;␊ |
1973 | ␉BVRef bvr = chain;␊ |
1974 | ␉BVRef nextBVR = NULL;␉␊ |
1975 | ␊ |
1976 | ␉while (bvr < (BVRef)ULONG_MAX)␊ |
1977 | ␉{␊ |
1978 | if (!bvr) {␊ |
1979 | break;␊ |
1980 | }␊ |
1981 | ␉␉nextBVR = bvr->next;␊ |
1982 | ␉␉␊ |
1983 | ␉␉if (bvr->filtered)␊ |
1984 | ␉␉{␊ |
1985 | ␉␉␉free(bvr);␊ |
1986 | ␉␉}␊ |
1987 | ␉␉else␊ |
1988 | ␉␉{␊ |
1989 | ␉␉␉ret = 0;␊ |
1990 | ␉␉␉break;␊ |
1991 | ␉␉}␊ |
1992 | ␉␉␊ |
1993 | ␉␉bvr = nextBVR;␊ |
1994 | ␉}␊ |
1995 | ␉␊ |
1996 | ␉return ret;␊ |
1997 | }␊ |
1998 | ␊ |
1999 | //==========================================================================␊ |
2000 | ␊ |
2001 | static const struct NamedValue fdiskTypes[] =␊ |
2002 | {␊ |
2003 | #ifndef NO_WIN_SUPPORT␊ |
2004 | { FDISK_NTFS, "Windows NTFS" },␊ |
2005 | ␉{ FDISK_DOS12, "Windows FAT12" },␊ |
2006 | ␉{ FDISK_DOS16B, "Windows FAT16" },␊ |
2007 | ␉{ FDISK_DOS16S, "Windows FAT16" },␊ |
2008 | ␉{ FDISK_DOS16SLBA, "Windows FAT16" },␊ |
2009 | ␉{ FDISK_SMALLFAT32, "Windows FAT32" },␊ |
2010 | ␉{ FDISK_FAT32, "Windows FAT32" },␊ |
2011 | #endif␊ |
2012 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
2013 | ␉{ FDISK_FREEBSD, "FreeBSD" },␊ |
2014 | { FDISK_OPENBSD, "OpenBSD" },␊ |
2015 | #endif␊ |
2016 | #ifndef NO_LINUX_SUPPORT␊ |
2017 | { FDISK_LINUX, "Linux" },␊ |
2018 | #endif␊ |
2019 | #ifdef UFS_SUPPORT␊ |
2020 | { FDISK_UFS, "Apple UFS" },␊ |
2021 | #endif␊ |
2022 | { FDISK_HFS, "Apple HFS" },␊ |
2023 | { FDISK_BOOTER, "Apple Boot/UFS" },␊ |
2024 | #ifndef NO_HAIKU_SUPPORT␊ |
2025 | ␉{ FDISK_BEFS, "Haiku" },␊ |
2026 | #endif␊ |
2027 | { 0xCD, "CD-ROM" },␊ |
2028 | { 0x00, 0 } /* must be last */␊ |
2029 | };␊ |
2030 | ␊ |
2031 | //==========================================================================␊ |
2032 | ␊ |
2033 | bool matchVolumeToString( BVRef bvr, const char* match, long matchLen)␊ |
2034 | {␊ |
2035 | ␉char testStr[128];␊ |
2036 | ␉␊ |
2037 | ␉if ( !bvr || !match || !*match)␊ |
2038 | ␉␉return 0;␊ |
2039 | ␉␊ |
2040 | ␉if ( bvr->biosdev < 0x80 || bvr->biosdev >= 0x100 )␊ |
2041 | return 0;␊ |
2042 | ␊ |
2043 | // Try to match hd(x,y) first.␊ |
2044 | sprintf(testStr, "hd(%d,%d)", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
2045 | if ( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2046 | return true;␊ |
2047 | ␊ |
2048 | // Try to match volume UUID.␊ |
2049 | if ( bvr->fs_getuuid && bvr->fs_getuuid(bvr, testStr) == 0)␊ |
2050 | {␊ |
2051 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2052 | return true;␊ |
2053 | }␊ |
2054 | ␊ |
2055 | // Try to match volume label (always quoted).␊ |
2056 | if ( bvr->description )␊ |
2057 | {␊ |
2058 | bvr->description(bvr, testStr, sizeof(testStr)-1);␊ |
2059 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2060 | return true;␊ |
2061 | }␊ |
2062 | ␊ |
2063 | return false;␊ |
2064 | }␊ |
2065 | ␊ |
2066 | /* If Rename Partition has defined an alias, then extract it for description purpose␊ |
2067 | * The format for the rename string is the following:␊ |
2068 | * hd(x,y)|uuid|"label" "alias";hd(m,n)|uuid|"label" etc; ...␊ |
2069 | */␊ |
2070 | ␊ |
2071 | bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen)␊ |
2072 | {␊ |
2073 | char *aliasList, *entryStart, *entryNext;␊ |
2074 | ␊ |
2075 | if ( !str || strMaxLen <= 0)␊ |
2076 | return false;␊ |
2077 | ␊ |
2078 | aliasList = XMLDecode(getStringForKey(kRenamePartition, DEFAULT_BOOT_CONFIG));␊ |
2079 | if ( !aliasList )␊ |
2080 | return false;␊ |
2081 | ␊ |
2082 | for ( entryStart = entryNext = aliasList;␊ |
2083 | ␉␉ entryNext && *entryNext;␊ |
2084 | ␉␉ entryStart = entryNext )␊ |
2085 | {␊ |
2086 | char *volStart, *volEnd, *aliasStart;␊ |
2087 | long volLen, aliasLen;␊ |
2088 | ␊ |
2089 | // Delimit current entry␊ |
2090 | entryNext = strchr(entryStart, ';');␊ |
2091 | if ( entryNext )␊ |
2092 | {␊ |
2093 | *entryNext = '\0';␊ |
2094 | entryNext++;␊ |
2095 | }␊ |
2096 | ␊ |
2097 | volStart = strbreak(entryStart, &volEnd, &volLen);␊ |
2098 | if(!volLen)␊ |
2099 | continue;␊ |
2100 | ␊ |
2101 | aliasStart = strbreak(volEnd, 0, &aliasLen);␊ |
2102 | if(!aliasLen)␊ |
2103 | continue;␊ |
2104 | ␊ |
2105 | if ( matchVolumeToString(bvr, volStart, volLen) )␊ |
2106 | { ␊ |
2107 | strncat(str, aliasStart, min(strMaxLen, aliasLen));␊ |
2108 | free(aliasList);␊ |
2109 | ␉␉␉␊ |
2110 | return true;␊ |
2111 | }␊ |
2112 | }␊ |
2113 | ␊ |
2114 | free(aliasList);␊ |
2115 | return false;␊ |
2116 | }␊ |
2117 | ␊ |
2118 | void getBootVolumeDescription( BVRef bvr, char * str, long strMaxLen, bool useDeviceDescription )␊ |
2119 | {␊ |
2120 | unsigned char type;␊ |
2121 | char *p = str;␊ |
2122 | ␊ |
2123 | if(!bvr || !p || strMaxLen <= 0)␊ |
2124 | return;␊ |
2125 | ␊ |
2126 | type = (unsigned char) bvr->part_type;␊ |
2127 | ␉␊ |
2128 | if (useDeviceDescription)␊ |
2129 | {␊ |
2130 | int len = getDeviceDescription(bvr, str);␊ |
2131 | if(len >= strMaxLen)␊ |
2132 | return;␊ |
2133 | ␊ |
2134 | strcpy(str + len, " ");␊ |
2135 | len++;␊ |
2136 | strMaxLen -= len;␊ |
2137 | p += len;␊ |
2138 | }␊ |
2139 | ␉␊ |
2140 | /* See if a partition rename is preferred */␊ |
2141 | if(getVolumeLabelAlias(bvr, p, strMaxLen)) {␊ |
2142 | strncpy(bvr->label, p, strMaxLen); ␊ |
2143 | return; // we're done here no need to seek for real name␊ |
2144 | }␊ |
2145 | ␉␊ |
2146 | //␊ |
2147 | // Get the volume label using filesystem specific functions␊ |
2148 | // or use the alternate volume label if available.␊ |
2149 | //␊ |
2150 | ␉if (*bvr->altlabel != '\0')␊ |
2151 | strncpy(p, bvr->altlabel, strMaxLen);␊ |
2152 | ␉else if (bvr->description)␊ |
2153 | bvr->description(bvr, p, strMaxLen);␊ |
2154 | ␉␊ |
2155 | if (*p == '\0') {␊ |
2156 | const char * name = getNameForValue( fdiskTypes, type );␊ |
2157 | if (name == NULL) {␊ |
2158 | name = bvr->type_name;␊ |
2159 | }␊ |
2160 | if (name == NULL) {␊ |
2161 | sprintf(p, "TYPE %02x", type);␊ |
2162 | } else {␊ |
2163 | strncpy(p, name, strMaxLen);␊ |
2164 | }␊ |
2165 | }␊ |
2166 | ␊ |
2167 | // Set the devices label␊ |
2168 | sprintf(bvr->label, p);␊ |
2169 | }␊ |
2170 | ␊ |
2171 | //==========================================================================␊ |
2172 | int readBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2173 | {␊ |
2174 | struct disk_blk0 * bootSector = (struct disk_blk0 *) buffer;␊ |
2175 | int error;␊ |
2176 | ␉␊ |
2177 | if ( bootSector == NULL )␊ |
2178 | {␊ |
2179 | if ( gBootSector == NULL )␊ |
2180 | {␊ |
2181 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2182 | if ( gBootSector == NULL ) return -1;␊ |
2183 | }␊ |
2184 | bootSector = gBootSector;␊ |
2185 | }␊ |
2186 | ␉␊ |
2187 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2188 | if ( error || bootSector->signature != DISK_SIGNATURE )␊ |
2189 | return -1;␊ |
2190 | ␉␊ |
2191 | return 0;␊ |
2192 | }␊ |
2193 | ␊ |
2194 | #ifndef NO_WIN_SUPPORT␊ |
2195 | /*␊ |
2196 | * Format of boot1f32 block.␊ |
2197 | */␊ |
2198 | ␊ |
2199 | #define BOOT1F32_MAGIC "BOOT "␊ |
2200 | #define BOOT1F32_MAGICLEN 11␊ |
2201 | ␊ |
2202 | struct disk_boot1f32_blk {␊ |
2203 | unsigned char init[3];␊ |
2204 | unsigned char fsheader[87];␊ |
2205 | unsigned char magic[BOOT1F32_MAGICLEN];␊ |
2206 | unsigned char bootcode[409];␊ |
2207 | unsigned short signature;␊ |
2208 | };␊ |
2209 | ␊ |
2210 | int testFAT32EFIBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2211 | {␊ |
2212 | struct disk_boot1f32_blk * bootSector = (struct disk_boot1f32_blk *) buffer;␊ |
2213 | int error;␊ |
2214 | ␉␊ |
2215 | if ( bootSector == NULL )␊ |
2216 | {␊ |
2217 | if ( gBootSector == NULL )␊ |
2218 | {␊ |
2219 | gBootSector = (struct disk_blk0 *) malloc(sizeof(*gBootSector));␊ |
2220 | if ( gBootSector == NULL ) return -1;␊ |
2221 | }␊ |
2222 | bootSector = (struct disk_boot1f32_blk *) gBootSector;␊ |
2223 | }␊ |
2224 | ␉␊ |
2225 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2226 | if ( error || bootSector->signature != DISK_SIGNATURE␊ |
2227 | ␉␉|| strncmp((const char *)bootSector->magic, BOOT1F32_MAGIC, BOOT1F32_MAGICLEN) )␊ |
2228 | ␉␉return -1;␊ |
2229 | ␉␊ |
2230 | return 0;␊ |
2231 | }␊ |
2232 | #endif␊ |
2233 | //==========================================================================␊ |
2234 | // Handle seek request from filesystem modules.␊ |
2235 | ␊ |
2236 | void diskSeek( BVRef bvr, long long position )␊ |
2237 | {␊ |
2238 | bvr->fs_boff = position / BPS;␊ |
2239 | bvr->fs_byteoff = position % BPS;␊ |
2240 | }␊ |
2241 | ␊ |
2242 | //==========================================================================␊ |
2243 | // Handle read request from filesystem modules.␊ |
2244 | ␊ |
2245 | int diskRead( BVRef bvr, long addr, long length )␊ |
2246 | {␊ |
2247 | return readBytes( bvr->biosdev,␊ |
2248 | ␉␉␉␉␉ bvr->fs_boff + bvr->part_boff,␊ |
2249 | ␉␉␉␉␉ bvr->fs_byteoff,␊ |
2250 | ␉␉␉␉␉ length,␊ |
2251 | ␉␉␉␉␉ (void *) addr );␊ |
2252 | }␊ |
2253 | ␊ |
2254 | #if UNUSED␊ |
2255 | int rawDiskRead( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2256 | {␊ |
2257 | int secs;␊ |
2258 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2259 | unsigned int copy_len;␊ |
2260 | int rc;␊ |
2261 | ␉␊ |
2262 | if ((len & (BPS-1)) != 0) {␊ |
2263 | printf("raw disk read not sector aligned");␊ |
2264 | return -1;␊ |
2265 | }␊ |
2266 | secno += bvr->part_boff;␊ |
2267 | ␉␊ |
2268 | cache_valid = false;␊ |
2269 | ␉␊ |
2270 | while (len > 0) {␊ |
2271 | secs = len / BPS;␊ |
2272 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2273 | copy_len = secs * BPS;␊ |
2274 | ␉␉␊ |
2275 | //printf("rdr: ebiosread(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2276 | if ((rc = ebiosread(bvr->biosdev, secno, secs)) != 0) {␊ |
2277 | /* Ignore corrected ECC errors */␊ |
2278 | if (rc != ECC_CORRECTED_ERR) {␊ |
2279 | printf(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
2280 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2281 | return rc;␊ |
2282 | }␊ |
2283 | }␊ |
2284 | bcopy( trackbuf, cbuf, copy_len );␊ |
2285 | len -= copy_len;␊ |
2286 | cbuf += copy_len;␊ |
2287 | secno += secs;␊ |
2288 | #if TEXT_SPINNER␊ |
2289 | ␉␉spinActivityIndicator(secs);␊ |
2290 | #endif␊ |
2291 | }␊ |
2292 | ␉␊ |
2293 | return 0;␊ |
2294 | }␊ |
2295 | ␊ |
2296 | int rawDiskWrite( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2297 | {␊ |
2298 | int secs;␊ |
2299 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2300 | unsigned int copy_len;␊ |
2301 | int rc;␊ |
2302 | ␉␊ |
2303 | if ((len & (BPS-1)) != 0) {␊ |
2304 | printf("raw disk write not sector aligned");␊ |
2305 | return -1;␊ |
2306 | }␊ |
2307 | secno += bvr->part_boff;␊ |
2308 | ␉␊ |
2309 | cache_valid = false;␊ |
2310 | ␉␊ |
2311 | while (len > 0) {␊ |
2312 | secs = len / BPS;␊ |
2313 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2314 | copy_len = secs * BPS;␊ |
2315 | ␉␉␊ |
2316 | bcopy( cbuf, trackbuf, copy_len );␊ |
2317 | //printf("rdr: ebioswrite(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2318 | if ((rc = ebioswrite(bvr->biosdev, secno, secs)) != 0) {␊ |
2319 | printf(" EBIOS write error: %s\n", bios_error(rc), rc);␊ |
2320 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2321 | return rc;␊ |
2322 | }␊ |
2323 | len -= copy_len;␊ |
2324 | cbuf += copy_len;␊ |
2325 | secno += secs;␊ |
2326 | #if TEXT_SPINNER␊ |
2327 | ␉␉spinActivityIndicator(secs);␊ |
2328 | #endif␊ |
2329 | }␊ |
2330 | ␉␊ |
2331 | return 0;␊ |
2332 | }␊ |
2333 | #endif␊ |
2334 | ␊ |
2335 | int diskIsCDROM(BVRef bvr)␊ |
2336 | {␊ |
2337 | struct driveInfo di;␊ |
2338 | ␉␊ |
2339 | if (getDriveInfo(bvr->biosdev, &di) == 0 && di.no_emulation) {␊ |
2340 | ␉␉return 1;␊ |
2341 | }␊ |
2342 | return 0;␊ |
2343 | }␊ |
2344 | ␊ |
2345 | int biosDevIsCDROM(int biosdev)␊ |
2346 | {␊ |
2347 | struct driveInfo di;␊ |
2348 | ␉␊ |
2349 | if (getDriveInfo(biosdev, &di) == 0 && di.no_emulation)␊ |
2350 | {␊ |
2351 | ␉return 1;␊ |
2352 | }␊ |
2353 | return 0;␊ |
2354 | }␊ |
2355 | |