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