1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | /* ␊ |
25 | * Mach Operating System␊ |
26 | * Copyright (c) 1990 Carnegie-Mellon University␊ |
27 | * Copyright (c) 1989 Carnegie-Mellon University␊ |
28 | * All rights reserved. The CMU software License Agreement specifies␊ |
29 | * the terms and conditions for use and redistribution.␊ |
30 | */␊ |
31 | ␊ |
32 | /*␊ |
33 | * INTEL CORPORATION PROPRIETARY INFORMATION␊ |
34 | *␊ |
35 | * This software is supplied under the terms of a license agreement or ␊ |
36 | * nondisclosure agreement with Intel Corporation and may not be copied ␊ |
37 | * nor disclosed except in accordance with the terms of that agreement.␊ |
38 | *␊ |
39 | * Copyright 1988, 1989 Intel Corporation␊ |
40 | */␊ |
41 | ␊ |
42 | /*␊ |
43 | * Copyright 1993 NeXT Computer, Inc.␊ |
44 | * All rights reserved.␊ |
45 | */␊ |
46 | ␊ |
47 | /* Copyright 2007 VMware Inc.␊ |
48 | "Preboot" ramdisk support added by David Elliott␊ |
49 | GPT support added by David Elliott. Based on IOGUIDPartitionScheme.cpp.␊ |
50 | */␊ |
51 | ␊ |
52 | ␊ |
53 | ␊ |
54 | #include "libsaio.h"␊ |
55 | #include "bootstruct.h"␊ |
56 | #include "platform.h"␊ |
57 | #include "sl.h"␊ |
58 | #include "convert.h"␊ |
59 | ␊ |
60 | #include "fdisk.h"␊ |
61 | #ifdef UFS_SUPPORT␊ |
62 | #include "ufs.h"␊ |
63 | #define UFS_FRONT_PORCH 0␊ |
64 | #endif␊ |
65 | #include "hfs.h"␊ |
66 | #ifndef NO_WIN_SUPPORT␊ |
67 | #include "ntfs.h"␊ |
68 | #include "msdos.h"␊ |
69 | #endif␊ |
70 | #ifndef NO_LINUX_SUPPORT␊ |
71 | #include "ext2fs.h"␊ |
72 | #endif␊ |
73 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
74 | #include "freebsd.h"␊ |
75 | #include "openbsd.h"␊ |
76 | #endif␊ |
77 | #ifndef NO_HAIKU_SUPPORT␊ |
78 | #include "befs.h"␊ |
79 | #endif␊ |
80 | ␊ |
81 | #include "xml.h"␊ |
82 | #include "disk.h"␊ |
83 | #include "modules.h"␊ |
84 | ␊ |
85 | #ifndef DEBUG_DISK␊ |
86 | #define DEBUG_DISK 0␊ |
87 | #endif␊ |
88 | ␊ |
89 | #if DEBUG_DISK==2␊ |
90 | #define DBG(x...) {printf(x); sleep(1);}␊ |
91 | #elif DEBUG_DISK==1␊ |
92 | #define DBG(x...) printf(x)␊ |
93 | #else␊ |
94 | #define DBG(x...)␊ |
95 | #endif␊ |
96 | ␊ |
97 | #ifndef MIN␊ |
98 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
99 | #endif␊ |
100 | ␊ |
101 | #ifndef MAX␊ |
102 | #define MAX(x, y) ((x) > (y) ? (x) : (y))␊ |
103 | #endif␊ |
104 | ␊ |
105 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
106 | #define␉UINT_MAX␉0xffffffff␉/* max value for an unsigned int, defined in <limits.h>. */␊ |
107 | #include <IOKit/storage/IOApplePartitionScheme.h>␊ |
108 | #define kAPMSector 2 /* Sector number of Apple partition map */␊ |
109 | #define kAPMCDSector 8 /* Translated sector of Apple partition map on a CD */␊ |
110 | #else␊ |
111 | #define DPISTRLEN 32 // Defined in <IOApplePartitionScheme.h>.␊ |
112 | #endif␊ |
113 | ␊ |
114 | #include <IOKit/storage/IOGUIDPartitionScheme.h>␊ |
115 | typedef struct gpt_hdr gpt_hdr;␊ |
116 | typedef struct gpt_ent gpt_ent;␊ |
117 | ␊ |
118 | // For EFI_GUID␊ |
119 | #include "efi.h"␊ |
120 | #include "efi_tables.h"␊ |
121 | ␊ |
122 | #define PROBEFS_SIZE BPS * 4 /* buffer size for filesystem probe */␊ |
123 | #define N_CACHE_SECS (BIOS_LEN / BPS) /* Must be a multiple of 4 for CD-ROMs */␊ |
124 | ␊ |
125 | #if UNUSED␊ |
126 | #define CD_BPS 2048 /* CD-ROM block size */␊ |
127 | #endif␊ |
128 | ␊ |
129 | /*␊ |
130 | * IORound and IOTrunc convenience functions, in the spirit␊ |
131 | * of vm's round_page() and trunc_page().␊ |
132 | */␊ |
133 | #define IORound(value,multiple) \␊ |
134 | ((((value) + (multiple) - 1) / (multiple)) * (multiple))␊ |
135 | ␊ |
136 | /*␊ |
137 | #define IOTrunc(value,multiple) \␊ |
138 | (((value) / (multiple)) * (multiple));␊ |
139 | */␊ |
140 | ␊ |
141 | /*␊ |
142 | * trackbuf points to the start of the track cache. Biosread()␊ |
143 | * will store the sectors read from disk to this memory area.␊ |
144 | *␊ |
145 | * biosbuf points to a sector within the track cache, and is␊ |
146 | * updated by Biosread().␊ |
147 | */␊ |
148 | static char * const trackbuf = (char *) ptov(BIOS_ADDR);␊ |
149 | static char * biosbuf;␊ |
150 | ␊ |
151 | /*␊ |
152 | * Map a disk drive to bootable volumes contained within.␊ |
153 | */␊ |
154 | struct DiskBVMap {␊ |
155 | int biosdev; // BIOS device number (unique)␊ |
156 | BVRef bvr; // chain of boot volumes on the disk␊ |
157 | int bvrcnt; // number of boot volumes␊ |
158 | struct DiskBVMap * next; // linkage to next mapping␊ |
159 | };␊ |
160 | ␊ |
161 | static struct DiskBVMap * gDiskBVMap = NULL;␊ |
162 | static struct disk_blk0 * gBootSector = NULL;␊ |
163 | ␊ |
164 | ␊ |
165 | #if TEXT_SPINNER␊ |
166 | extern void spinActivityIndicator(int sectors);␊ |
167 | #endif␊ |
168 | ␊ |
169 | struct NamedValue {␊ |
170 | unsigned char value;␊ |
171 | const char * name;␊ |
172 | };␊ |
173 | ␊ |
174 | static int getDriveInfo( int biosdev, struct driveInfo *dip );␊ |
175 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
176 | ␉␉␉␉␉␉␉␉␉unsigned char value );␊ |
177 | static int Biosread( int biosdev, unsigned long long secno );␊ |
178 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
179 | ␉␉␉␉␉ unsigned int byteoff,␊ |
180 | ␉␉␉␉␉ unsigned int byteCount, void * buffer );␊ |
181 | static int isExtendedFDiskPartition( const struct fdisk_part * part );␊ |
182 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
183 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart );␊ |
184 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
185 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
186 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
187 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
188 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
189 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
190 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
191 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
192 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
193 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags );␊ |
194 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr );␊ |
195 | static int probeFileSystem(int biosdev, unsigned int blkoff);␊ |
196 | static bool isPartitionUsed(gpt_ent * partition);␊ |
197 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr );␊ |
198 | static void scanFSLevelBVRSettings(BVRef chain);␊ |
199 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
200 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr );␊ |
201 | #endif␊ |
202 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id );␊ |
203 | static bool getOSVersion(BVRef bvr, char *str);␊ |
204 | static bool CheckDarwin(BVRef bvr);␊ |
205 | static bool getOSInstallVersion(const char *dirSpec, char *str, config_file_t *systemVersion);␊ |
206 | static bool getOSInstallURL(BVRef bvr, const char *dirSpec, config_file_t *config_file);␊ |
207 | static BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
208 | ␉␉␉␉ const gpt_ent * part,␊ |
209 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
210 | ␉␉␉␉ FSReadFile readFunc,␊ |
211 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
212 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
213 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
214 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
215 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
216 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags );␊ |
217 | static bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen);␊ |
218 | ␊ |
219 | //==========================================================================␊ |
220 | ␊ |
221 | static int getDriveInfo( int biosdev, struct driveInfo *dip )␊ |
222 | {␊ |
223 | static struct driveInfo cached_di;␊ |
224 | ␉int cc;␊ |
225 | #ifndef OPTION_ROM ␊ |
226 | // Real BIOS devices are 8-bit, so anything above that is for internal use.␊ |
227 | // Don't cache ramdisk drive info since it doesn't require several BIOS␊ |
228 | // calls and is thus not worth it.␊ |
229 | if(biosdev >= 0x100 && execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)␊ |
230 | {␊ |
231 | ␉␉int ret = 0;␊ |
232 | ␉␉execute_hook("p_get_ramdisk_info", &biosdev, (void *)dip, &ret, NULL, NULL, NULL);␊ |
233 | ␉␉return ret;␊ |
234 | ␉␉␊ |
235 | }␊ |
236 | #endif␊ |
237 | if ( !cached_di.valid || biosdev != cached_di.biosdev )␊ |
238 | {␊ |
239 | ␉␉cc = get_drive_info(biosdev, &cached_di);␊ |
240 | if (cc < 0) {␊ |
241 | ␉␉␉cached_di.valid = 0;␊ |
242 | DEBUG_DISK(("get_drive_info returned error\n"));␊ |
243 | ␉␉␉return (-1); // BIOS call error␊ |
244 | ␉␉}␊ |
245 | }␊ |
246 | ␉␊ |
247 | bcopy(&cached_di, dip, sizeof(cached_di));␊ |
248 | ␉␊ |
249 | return 0;␊ |
250 | }␊ |
251 | ␊ |
252 | //==========================================================================␊ |
253 | // Maps (E)BIOS return codes to message strings.␊ |
254 | ␊ |
255 | static const char * getNameForValue( const struct NamedValue * nameTable,␊ |
256 | ␉␉␉␉␉␉␉␉␉unsigned char value )␊ |
257 | {␊ |
258 | const struct NamedValue * np;␊ |
259 | ␉␊ |
260 | for ( np = nameTable; np->value; np++)␊ |
261 | if (np->value == value)␊ |
262 | return np->name;␊ |
263 | ␉␊ |
264 | return NULL;␊ |
265 | }␊ |
266 | ␊ |
267 | #define ECC_CORRECTED_ERR 0x11␊ |
268 | ␊ |
269 | static const struct NamedValue bios_errors[] = {␊ |
270 | { 0x10, "Media error" },␊ |
271 | { 0x11, "Corrected ECC error" },␊ |
272 | { 0x20, "Controller or device error" },␊ |
273 | { 0x40, "Seek failed" },␊ |
274 | { 0x80, "Device timeout" },␊ |
275 | { 0xAA, "Drive not ready" },␊ |
276 | { 0x00, 0 }␊ |
277 | };␊ |
278 | ␊ |
279 | static const char * bios_error(int errnum)␊ |
280 | {␊ |
281 | static char errorstr[11];␊ |
282 | const char * errname;␊ |
283 | ␉␊ |
284 | errname = getNameForValue( bios_errors, errnum );␊ |
285 | if ( errname ) return errname;␊ |
286 | ␉␊ |
287 | snprintf(errorstr, sizeof(errorstr), "Error 0x%02x", errnum);␊ |
288 | return errorstr; // No string, print error code only␊ |
289 | }␊ |
290 | ␊ |
291 | //==========================================================================␊ |
292 | // Use BIOS INT13 calls to read the sector specified. This function will␊ |
293 | // also perform read-ahead to cache a few subsequent sector to the sector␊ |
294 | // cache.␊ |
295 | // ␊ |
296 | // Return:␊ |
297 | // 0 on success, or an error code from INT13/F2 or INT13/F42 BIOS call.␊ |
298 | ␊ |
299 | static bool cache_valid = false;␊ |
300 | ␊ |
301 | static int Biosread( int biosdev, unsigned long long secno )␊ |
302 | {␊ |
303 | static int xbiosdev, xcyl, xhead;␊ |
304 | static unsigned int xsec, xnsecs;␊ |
305 | struct driveInfo di;␊ |
306 | ␉␊ |
307 | int rc = -1;␊ |
308 | int cyl, head, sec;␊ |
309 | int tries = 0;␊ |
310 | int bps, divisor;␊ |
311 | ␉␊ |
312 | if (getDriveInfo(biosdev, &di) < 0) {␊ |
313 | ␉␉return -1;␊ |
314 | }␊ |
315 | if (di.no_emulation) {␊ |
316 | ␉␉/* Always assume 2k block size; BIOS may lie about geometry */␊ |
317 | ␉␉bps = 2048;␊ |
318 | } else {␊ |
319 | ␉␉bps = di.di.params.phys_nbps;␊ |
320 | if (bps == 0) {␊ |
321 | return -1;␊ |
322 | }␊ |
323 | }␊ |
324 | divisor = bps / BPS;␊ |
325 | ␉␊ |
326 | DEBUG_DISK(("Biosread dev %x sec %llu bps %d\n", biosdev, secno, bps));␊ |
327 | ␉␊ |
328 | // To read the disk sectors, use EBIOS if we can. Otherwise,␊ |
329 | // revert to the standard BIOS calls.␊ |
330 | ␉␊ |
331 | if ((biosdev >= kBIOSDevTypeHardDrive) &&␊ |
332 | (di.uses_ebios & EBIOS_FIXED_DISK_ACCESS))␊ |
333 | {␊ |
334 | if (cache_valid &&␊ |
335 | (biosdev == xbiosdev) &&␊ |
336 | (secno >= xsec) &&␊ |
337 | ((unsigned int)secno < (xsec + xnsecs)))␊ |
338 | {␊ |
339 | biosbuf = trackbuf + (BPS * (secno - xsec));␊ |
340 | return 0;␊ |
341 | }␊ |
342 | ␉␉␊ |
343 | xnsecs = N_CACHE_SECS;␊ |
344 | xsec = (secno / divisor) * divisor;␊ |
345 | cache_valid = false;␊ |
346 | ␉␉␊ |
347 | while ((rc = ebiosread(biosdev, secno / divisor, xnsecs / divisor)) && (++tries < 5))␊ |
348 | {␊ |
349 | if (rc == ECC_CORRECTED_ERR) {␊ |
350 | /* Ignore corrected ECC errors */␊ |
351 | rc = 0;␊ |
352 | break;␊ |
353 | }␊ |
354 | printf(" EBIOS read error (%d): %s\n", rc, bios_error(rc) );␊ |
355 | printf(" Block 0x%llx Sectors %d\n", secno, xnsecs);␊ |
356 | sleep(1);␊ |
357 | }␊ |
358 | }␊ |
359 | else␊ |
360 | {␊ |
361 | ␉␉/* spc = spt * heads */␊ |
362 | ␉␉int spc = (di.di.params.phys_spt * di.di.params.phys_heads);␊ |
363 | cyl = secno / spc;␊ |
364 | head = (secno % spc) / di.di.params.phys_spt;␊ |
365 | sec = secno % di.di.params.phys_spt;␊ |
366 | ␉␉␊ |
367 | if (cache_valid &&␊ |
368 | (biosdev == xbiosdev) &&␊ |
369 | (cyl == xcyl) &&␊ |
370 | (head == xhead) &&␊ |
371 | ((unsigned int)sec >= xsec) &&␊ |
372 | ((unsigned int)sec < (xsec + xnsecs)))␊ |
373 | {␊ |
374 | // this sector is in trackbuf cache␊ |
375 | biosbuf = trackbuf + (BPS * (sec - xsec));␊ |
376 | return 0;␊ |
377 | }␊ |
378 | ␉␉␊ |
379 | // Cache up to a track worth of sectors, but do not cross a␊ |
380 | // track boundary.␊ |
381 | ␉␉␊ |
382 | xcyl = cyl;␊ |
383 | xhead = head;␊ |
384 | xsec = sec;␊ |
385 | xnsecs = ((unsigned int)(sec + N_CACHE_SECS) > di.di.params.phys_spt) ? (di.di.params.phys_spt - sec) : N_CACHE_SECS;␊ |
386 | cache_valid = false;␊ |
387 | ␉␉␊ |
388 | while ((rc = biosread(biosdev, cyl, head, sec, xnsecs)) &&␊ |
389 | (++tries < 5))␊ |
390 | {␊ |
391 | if (rc == ECC_CORRECTED_ERR) {␊ |
392 | /* Ignore corrected ECC errors */␊ |
393 | rc = 0;␊ |
394 | break;␊ |
395 | }␊ |
396 | printf(" BIOS read error(%d): %s\n", rc, bios_error(rc));␊ |
397 | printf(" Block %llu, Cyl %d Head %d Sector %d\n",␊ |
398 | secno, cyl, head, sec);␊ |
399 | sleep(1);␊ |
400 | }␊ |
401 | }␊ |
402 | ␉␊ |
403 | // If the BIOS reported success, mark the sector cache as valid.␊ |
404 | ␉␊ |
405 | if (rc == 0) {␊ |
406 | cache_valid = true;␊ |
407 | }␊ |
408 | biosbuf = trackbuf + (secno % divisor) * BPS;␊ |
409 | xbiosdev = biosdev;␊ |
410 | ␊ |
411 | #if TEXT_SPINNER␊ |
412 | ␉spinActivityIndicator(xnsecs);␊ |
413 | #endif␊ |
414 | ␉␊ |
415 | return rc;␊ |
416 | }␊ |
417 | ␊ |
418 | //==========================================================================␊ |
419 | ␊ |
420 | int testBiosread( int biosdev, unsigned long long secno )␊ |
421 | {␊ |
422 | ␉return Biosread(biosdev, secno);␊ |
423 | }␊ |
424 | ␊ |
425 | //==========================================================================␊ |
426 | ␊ |
427 | static int readBytes( int biosdev, unsigned long long blkno,␊ |
428 | ␉␉␉␉␉ unsigned int byteoff,␊ |
429 | ␉␉␉␉␉ unsigned int byteCount, void * buffer )␊ |
430 | {␊ |
431 | #ifndef OPTION_ROM ␊ |
432 | // ramdisks require completely different code for reading.␊ |
433 | ␊ |
434 | ␉␊ |
435 | ␉if(biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) == EFI_SUCCESS)){␊ |
436 | ␊ |
437 | ␉␉int ret = -1;␊ |
438 | ␉␉execute_hook("p_ramdiskReadBytes", &biosdev, (void*)(unsigned long)&blkno, &byteoff, &byteCount, buffer, &ret);␊ |
439 | ␉␉return ret;␊ |
440 | ␉}␊ |
441 | #endif␉␉␉␊ |
442 | ␉␊ |
443 | char * cbuf = (char *) buffer;␊ |
444 | int error;␊ |
445 | int copy_len;␊ |
446 | ␉␊ |
447 | DEBUG_DISK(("%s: dev %x block %llu [%d] -> 0x%x...", __FUNCTION__,␊ |
448 | biosdev, blkno, byteCount, (unsigned)cbuf));␊ |
449 | ␉␊ |
450 | for ( ; byteCount; cbuf += copy_len, blkno++ )␊ |
451 | {␊ |
452 | error = Biosread( biosdev, blkno );␊ |
453 | if ( error )␊ |
454 | {␊ |
455 | DEBUG_DISK(("error\n"));␊ |
456 | return (-1);␊ |
457 | }␊ |
458 | ␉␉␊ |
459 | copy_len = ((byteCount + byteoff) > BPS) ? (BPS - byteoff) : byteCount;␊ |
460 | bcopy( biosbuf + byteoff, cbuf, copy_len );␊ |
461 | byteCount -= copy_len;␊ |
462 | byteoff = 0;␊ |
463 | }␊ |
464 | ␉␊ |
465 | DEBUG_DISK(("done\n"));␊ |
466 | ␉␊ |
467 | return 0; ␊ |
468 | }␊ |
469 | ␊ |
470 | //==========================================================================␊ |
471 | ␊ |
472 | static int isExtendedFDiskPartition( const struct fdisk_part * part )␊ |
473 | {␊ |
474 | static unsigned char extParts[] =␊ |
475 | {␊ |
476 | 0x05, /* Extended */␊ |
477 | 0x0f, /* Win95 extended */␊ |
478 | 0x85, /* Linux extended */␊ |
479 | };␊ |
480 | ␉␊ |
481 | unsigned int i;␊ |
482 | ␉␊ |
483 | for (i = 0; i < sizeof(extParts)/sizeof(extParts[0]); i++)␊ |
484 | {␊ |
485 | if (extParts[i] == part->systid) return 1;␊ |
486 | }␊ |
487 | return 0;␊ |
488 | }␊ |
489 | ␊ |
490 | //==========================================================================␊ |
491 | ␊ |
492 | static int getNextFDiskPartition( int biosdev, int * partno,␊ |
493 | ␉␉␉␉␉␉␉␉ const struct fdisk_part ** outPart )␊ |
494 | {␊ |
495 | static int sBiosdev = -1;␊ |
496 | static int sNextPartNo;␊ |
497 | static unsigned int sFirstBase;␊ |
498 | static unsigned int sExtBase;␊ |
499 | static unsigned int sExtDepth;␊ |
500 | static struct fdisk_part * sExtPart;␊ |
501 | struct fdisk_part * part;␊ |
502 | ␉␊ |
503 | if ( sBiosdev != biosdev || *partno < 0 )␊ |
504 | {␊ |
505 | // Fetch MBR.␊ |
506 | if ( readBootSector( biosdev, DISK_BLK0, 0 ) ) return 0;␊ |
507 | ␉␉␊ |
508 | sBiosdev = biosdev;␊ |
509 | sNextPartNo = 0;␊ |
510 | sFirstBase = 0;␊ |
511 | sExtBase = 0;␊ |
512 | sExtDepth = 0;␊ |
513 | sExtPart = NULL;␊ |
514 | }␊ |
515 | ␉␊ |
516 | while (1)␊ |
517 | {␊ |
518 | part = NULL;␊ |
519 | ␉␉␊ |
520 | if ( sNextPartNo < FDISK_NPART )␊ |
521 | {␊ |
522 | part = (struct fdisk_part *) gBootSector->parts[sNextPartNo];␊ |
523 | }␊ |
524 | else if ( sExtPart )␊ |
525 | {␊ |
526 | unsigned int blkno = sExtPart->relsect + sFirstBase;␊ |
527 | ␉␉␉␊ |
528 | // Save the block offset of the first extended partition.␊ |
529 | ␉␉␉␊ |
530 | if (sExtDepth == 0) {␊ |
531 | sFirstBase = blkno;␊ |
532 | }␊ |
533 | sExtBase = blkno;␊ |
534 | ␉␉␉␊ |
535 | // Load extended partition table.␊ |
536 | ␉␉␉␊ |
537 | if ( readBootSector( biosdev, blkno, 0 ) == 0 )␊ |
538 | {␊ |
539 | sNextPartNo = 0;␊ |
540 | sExtDepth++;␊ |
541 | sExtPart = NULL;␊ |
542 | continue;␊ |
543 | }␊ |
544 | // Fall through to part == NULL␊ |
545 | }␊ |
546 | ␉␉␊ |
547 | if ( part == NULL ) break; // Reached end of partition chain.␊ |
548 | ␉␉␊ |
549 | // Advance to next partition number.␊ |
550 | ␉␉␊ |
551 | sNextPartNo++;␊ |
552 | ␉␉␊ |
553 | if ( isExtendedFDiskPartition(part) )␊ |
554 | {␊ |
555 | sExtPart = part;␊ |
556 | continue;␊ |
557 | }␊ |
558 | ␉␉␊ |
559 | // Skip empty slots.␊ |
560 | ␉␉␊ |
561 | if ( part->systid == 0x00 )␊ |
562 | {␊ |
563 | continue;␊ |
564 | }␊ |
565 | ␉␉␊ |
566 | // Change relative offset to an absolute offset.␊ |
567 | part->relsect += sExtBase;␊ |
568 | ␉␉␊ |
569 | *outPart = part;␊ |
570 | *partno = sExtDepth ? (int)(sExtDepth + FDISK_NPART) : sNextPartNo;␊ |
571 | ␉␉␊ |
572 | break;␊ |
573 | }␊ |
574 | ␉␊ |
575 | return (part != NULL);␊ |
576 | }␊ |
577 | ␊ |
578 | //==========================================================================␊ |
579 | ␊ |
580 | static BVRef newFDiskBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
581 | ␉␉␉␉␉␉ const struct fdisk_part * part,␊ |
582 | ␉␉␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
583 | ␉␉␉␉␉␉ FSReadFile readFunc,␊ |
584 | ␉␉␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
585 | ␉␉␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
586 | ␉␉␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
587 | ␉␉␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
588 | ␉␉␉␉␉␉ BVFree bvFreeFunc,␊ |
589 | ␉␉␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
590 | {␊ |
591 | BVRef bvr = (BVRef) malloc( sizeof(struct BootVolume) );␊ |
592 | if ( bvr )␊ |
593 | {␊ |
594 | bzero(bvr, sizeof(struct BootVolume));␊ |
595 | ␉␉␊ |
596 | bvr->biosdev = biosdev;␊ |
597 | bvr->part_no = partno;␊ |
598 | bvr->part_boff = blkoff;␊ |
599 | bvr->part_type = part->systid;␊ |
600 | bvr->fs_loadfile = loadFunc;␊ |
601 | bvr->fs_readfile = readFunc;␊ |
602 | bvr->fs_getdirentry = getdirFunc;␊ |
603 | bvr->fs_getfileblock= getBlockFunc;␊ |
604 | bvr->fs_getuuid = getUUIDFunc;␊ |
605 | bvr->description = getDescriptionFunc;␊ |
606 | bvr->type = type;␊ |
607 | bvr->bv_free = bvFreeFunc;␊ |
608 | ␉␉␊ |
609 | if ((part->bootid & FDISK_ACTIVE) && (part->systid == FDISK_HFS))␊ |
610 | bvr->flags |= kBVFlagPrimary;␊ |
611 | ␉␉␊ |
612 | // Probe the filesystem.␊ |
613 | ␉␉␊ |
614 | if ( initFunc )␊ |
615 | {␊ |
616 | bvr->flags |= kBVFlagNativeBoot;␊ |
617 | ␉␉␉␊ |
618 | if ( probe && initFunc( bvr ) != 0 )␊ |
619 | {␊ |
620 | // filesystem probe failed.␊ |
621 | ␉␉␉␉␊ |
622 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
623 | __FUNCTION__, biosdev, partno));␊ |
624 | ␉␉␉␉␊ |
625 | (*bvr->bv_free)(bvr);␊ |
626 | bvr = NULL;␊ |
627 | }␊ |
628 | if ( bvr && readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
629 | {␊ |
630 | ␉bvr->flags |= kBVFlagBootable;␊ |
631 | }␊ |
632 | }␊ |
633 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
634 | {␊ |
635 | bvr->flags |= kBVFlagForeignBoot;␊ |
636 | }␊ |
637 | else␊ |
638 | {␊ |
639 | (*bvr->bv_free)(bvr);␊ |
640 | bvr = NULL;␊ |
641 | }␊ |
642 | }␊ |
643 | if (bvr) bvr->flags |= bvrFlags;␊ |
644 | return bvr;␊ |
645 | }␊ |
646 | ␊ |
647 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
648 | //==========================================================================␊ |
649 | ␊ |
650 | BVRef newAPMBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
651 | ␉␉␉␉ const DPME * part,␊ |
652 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
653 | ␉␉␉␉ FSReadFile readFunc,␊ |
654 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
655 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
656 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
657 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
658 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
659 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
660 | {␊ |
661 | BVRef bvr = (BVRef) malloc( sizeof(struct BootVolume) );␊ |
662 | if ( bvr )␊ |
663 | {␊ |
664 | bzero(bvr, sizeof(struct BootVolume));␊ |
665 | ␉␉␊ |
666 | bvr->biosdev = biosdev;␊ |
667 | bvr->part_no = partno;␊ |
668 | bvr->part_boff = blkoff;␊ |
669 | bvr->fs_loadfile = loadFunc;␊ |
670 | bvr->fs_readfile = readFunc;␊ |
671 | bvr->fs_getdirentry = getdirFunc;␊ |
672 | bvr->fs_getfileblock= getBlockFunc;␊ |
673 | bvr->fs_getuuid = getUUIDFunc;␊ |
674 | bvr->description = getDescriptionFunc;␊ |
675 | bvr->type = type;␊ |
676 | bvr->bv_free = bvFreeFunc;␊ |
677 | strlcpy(bvr->name, part->dpme_name, DPISTRLEN);␊ |
678 | strlcpy(bvr->type_name, part->dpme_type, DPISTRLEN);␊ |
679 | ␉␉␊ |
680 | /*␊ |
681 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
682 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
683 | ␉␉ */␊ |
684 | ␉␉␊ |
685 | // Probe the filesystem.␊ |
686 | ␉␉␊ |
687 | if ( initFunc )␊ |
688 | {␊ |
689 | bvr->flags |= kBVFlagNativeBoot | kBVFlagBootable | kBVFlagSystemVolume;␊ |
690 | ␉␉␉␊ |
691 | if ( probe && initFunc( bvr ) != 0 )␊ |
692 | {␊ |
693 | // filesystem probe failed.␊ |
694 | ␉␉␉␉␊ |
695 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
696 | __FUNCTION__, biosdev, partno));␊ |
697 | ␉␉␉␉␊ |
698 | (*bvr->bv_free)(bvr);␊ |
699 | bvr = NULL;␊ |
700 | }␊ |
701 | }␊ |
702 | /*␊ |
703 | ␉␉ else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
704 | ␉␉ {␊ |
705 | ␉␉ bvr->flags |= kBVFlagForeignBoot;␊ |
706 | ␉␉ }␊ |
707 | ␉␉ */␊ |
708 | else␊ |
709 | {␊ |
710 | (*bvr->bv_free)(bvr);␊ |
711 | bvr = NULL;␊ |
712 | }␊ |
713 | }␊ |
714 | if (bvr) bvr->flags |= bvrFlags;␊ |
715 | return bvr;␊ |
716 | }␊ |
717 | #endif␊ |
718 | //==========================================================================␊ |
719 | ␊ |
720 | // HFS+ GUID in LE form␊ |
721 | EFI_GUID const GPT_HFS_GUID␉= { 0x48465300, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
722 | // turbo - also our booter partition␊ |
723 | EFI_GUID const GPT_BOOT_GUID␉= { 0x426F6F74, 0x0000, 0x11AA, { 0xAA, 0x11, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC } };␊ |
724 | // turbo - or an efi system partition␊ |
725 | EFI_GUID const GPT_EFISYS_GUID␉= { 0xC12A7328, 0xF81F, 0x11D2, { 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } };␊ |
726 | // zef - basic data partition EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 for foreign OS support␊ |
727 | EFI_GUID const GPT_BASICDATA_GUID = { 0xEBD0A0A2, 0xB9E5, 0x4433, { 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7 } };␊ |
728 | EFI_GUID const GPT_BASICDATA2_GUID = { 0xE3C9E316, 0x0B5C, 0x4DB8, { 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } };␊ |
729 | ␊ |
730 | ␊ |
731 | static BVRef newGPTBVRef( int biosdev, int partno, unsigned int blkoff,␊ |
732 | ␉␉␉␉ const gpt_ent * part,␊ |
733 | ␉␉␉␉ FSInit initFunc, FSLoadFile loadFunc,␊ |
734 | ␉␉␉␉ FSReadFile readFunc,␊ |
735 | ␉␉␉␉ FSGetDirEntry getdirFunc,␊ |
736 | ␉␉␉␉ FSGetFileBlock getBlockFunc,␊ |
737 | ␉␉␉␉ FSGetUUID getUUIDFunc,␊ |
738 | ␉␉␉␉ BVGetDescription getDescriptionFunc,␊ |
739 | ␉␉␉␉ BVFree bvFreeFunc,␊ |
740 | ␉␉␉␉ int probe, int type, unsigned int bvrFlags )␊ |
741 | {␊ |
742 | BVRef bvr = (BVRef) malloc( sizeof(struct BootVolume) );␊ |
743 | if ( bvr )␊ |
744 | {␊ |
745 | bzero(bvr, sizeof(struct BootVolume));␊ |
746 | ␉␉␊ |
747 | bvr->biosdev = biosdev;␊ |
748 | bvr->part_no = partno;␊ |
749 | bvr->part_boff = blkoff;␊ |
750 | bvr->fs_loadfile = loadFunc;␊ |
751 | bvr->fs_readfile = readFunc;␊ |
752 | bvr->fs_getdirentry = getdirFunc;␊ |
753 | bvr->fs_getfileblock= getBlockFunc;␊ |
754 | bvr->fs_getuuid = getUUIDFunc;␊ |
755 | bvr->description = getDescriptionFunc;␊ |
756 | ␉bvr->type = type;␊ |
757 | bvr->bv_free = bvFreeFunc;␊ |
758 | // FIXME: UCS-2 -> UTF-8 the name␊ |
759 | strlcpy(bvr->name, "----", DPISTRLEN);␊ |
760 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)part->ent_type) == 0) ||␊ |
761 | ␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)part->ent_type) == 0) )␊ |
762 | ␉␉␉strlcpy(bvr->type_name, "GPT HFS+", DPISTRLEN);␊ |
763 | else␊ |
764 | ␉␉␉strlcpy(bvr->type_name, "GPT Unknown", DPISTRLEN);␊ |
765 | ␉␉␊ |
766 | /*␊ |
767 | ␉␉ if ( part->bootid & FDISK_ACTIVE )␊ |
768 | ␉␉ bvr->flags |= kBVFlagPrimary;␊ |
769 | ␉␉ */␊ |
770 | ␉␉␊ |
771 | // Probe the filesystem.␊ |
772 | ␉␉␊ |
773 | if ( initFunc )␊ |
774 | {␊ |
775 | bvr->flags |= kBVFlagNativeBoot;␊ |
776 | ␉␉␉␊ |
777 | if ( probe && initFunc( bvr ) != 0 )␊ |
778 | {␊ |
779 | // filesystem probe failed.␊ |
780 | ␉␉␉␉␊ |
781 | DEBUG_DISK(("%s: failed probe on dev %x part %d\n",␊ |
782 | __FUNCTION__, biosdev, partno));␊ |
783 | ␉␉␉␉␊ |
784 | (*bvr->bv_free)(bvr);␊ |
785 | bvr = NULL;␊ |
786 | }␊ |
787 | if ( bvr && readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
788 | {␊ |
789 | ␉bvr->flags |= kBVFlagBootable;␊ |
790 | }␊ |
791 | }␊ |
792 | else if ( readBootSector( biosdev, blkoff, (void *)0x7e00 ) == 0 )␊ |
793 | {␊ |
794 | bvr->flags |= kBVFlagForeignBoot;␊ |
795 | }␊ |
796 | else␊ |
797 | {␊ |
798 | (*bvr->bv_free)(bvr);␊ |
799 | bvr = NULL;␊ |
800 | }␊ |
801 | }␊ |
802 | if (bvr) bvr->flags |= bvrFlags;␊ |
803 | return bvr;␊ |
804 | }␊ |
805 | ␊ |
806 | //==========================================================================␊ |
807 | ␊ |
808 | /* A note on partition numbers:␊ |
809 | * IOKit makes the primary partitions numbers 1-4, and then␊ |
810 | * extended partitions are numbered consecutively 5 and up.␊ |
811 | * So, for example, if you have two primary partitions and␊ |
812 | * one extended partition they will be numbered 1, 2, 5.␊ |
813 | */␊ |
814 | ␊ |
815 | static BVRef diskScanFDiskBootVolumes( int biosdev, int * countPtr )␊ |
816 | {␊ |
817 | const struct fdisk_part * part;␊ |
818 | struct DiskBVMap * map;␊ |
819 | int partno = -1;␊ |
820 | BVRef bvr;␊ |
821 | #ifdef UFS_SUPPORT␊ |
822 | BVRef booterUFS = NULL;␊ |
823 | int spc;␊ |
824 | struct driveInfo di;␊ |
825 | boot_drive_info_t *dp;␊ |
826 | ␉␊ |
827 | /* Initialize disk info */␊ |
828 | if (getDriveInfo(biosdev, &di) != 0) {␊ |
829 | ␉␉return NULL;␊ |
830 | }␊ |
831 | dp = &di.di;␊ |
832 | spc = (dp->params.phys_spt * dp->params.phys_heads);␊ |
833 | if (spc == 0) {␊ |
834 | ␉␉/* This is probably a CD-ROM; punt on the geometry. */␊ |
835 | ␉␉spc = 1;␊ |
836 | }␊ |
837 | #endif␊ |
838 | // Create a new mapping.␊ |
839 | ␊ |
840 | ␉map = (struct DiskBVMap *) malloc( sizeof(struct DiskBVMap) );␊ |
841 | if ( !map )␊ |
842 | {␊ |
843 | return NULL; ␊ |
844 | }␊ |
845 | ␊ |
846 | do {␉␉␊ |
847 | ␊ |
848 | map->biosdev = biosdev;␊ |
849 | map->bvr = NULL;␊ |
850 | map->bvrcnt = 0;␊ |
851 | map->next = gDiskBVMap;␊ |
852 | gDiskBVMap = map;␊ |
853 | ␊ |
854 | // Create a record for each partition found on the disk.␊ |
855 | ␊ |
856 | while ( getNextFDiskPartition( biosdev, &partno, &part ) )␊ |
857 | {␊ |
858 | DEBUG_DISK(("%s: part %d [%x]\n", __FUNCTION__,␊ |
859 | partno, part->systid));␊ |
860 | bvr = 0;␊ |
861 | ␊ |
862 | switch ( part->systid )␊ |
863 | {␊ |
864 | #ifdef UFS_SUPPORT␊ |
865 | case FDISK_UFS:␊ |
866 | bvr = newFDiskBVRef(␊ |
867 | biosdev, partno,␊ |
868 | part->relsect + UFS_FRONT_PORCH/BPS,␊ |
869 | part,␊ |
870 | UFSInitPartition,␊ |
871 | UFSLoadFile,␊ |
872 | UFSReadFile,␊ |
873 | UFSGetDirEntry,␊ |
874 | UFSGetFileBlock,␊ |
875 | UFSGetUUID,␊ |
876 | UFSGetDescription,␊ |
877 | UFSFree,␊ |
878 | 0,␊ |
879 | kBIOSDevTypeHardDrive, 0);␊ |
880 | break;␊ |
881 | #endif␊ |
882 | ␊ |
883 | case FDISK_HFS:␊ |
884 | bvr = newFDiskBVRef(␊ |
885 | biosdev, partno,␊ |
886 | part->relsect,␊ |
887 | part,␊ |
888 | HFSInitPartition,␊ |
889 | HFSLoadFile,␊ |
890 | HFSReadFile,␊ |
891 | HFSGetDirEntry,␊ |
892 | HFSGetFileBlock,␊ |
893 | HFSGetUUID,␊ |
894 | HFSGetDescription,␊ |
895 | HFSFree,␊ |
896 | 0,␊ |
897 | kBIOSDevTypeHardDrive, 0);␊ |
898 | break;␊ |
899 | ␊ |
900 | // turbo - we want the booter type scanned also␊ |
901 | case FDISK_BOOTER:␊ |
902 | if (part->bootid & FDISK_ACTIVE) { ␊ |
903 | ␉␉␉␉␉␉safe_set_env(envgBIOSBootVolume, (uint32_t)newFDiskBVRef(␊ |
904 | biosdev, partno,␊ |
905 | part->relsect,␊ |
906 | part,␊ |
907 | HFSInitPartition,␊ |
908 | HFSLoadFile,␊ |
909 | HFSReadFile,␊ |
910 | HFSGetDirEntry,␊ |
911 | HFSGetFileBlock,␊ |
912 | HFSGetUUID,␊ |
913 | HFSGetDescription,␊ |
914 | HFSFree,␊ |
915 | 0,␊ |
916 | kBIOSDevTypeHardDrive, 0));␊ |
917 | break;␊ |
918 | }␊ |
919 | #ifndef UFS_SUPPORT␉␉␉␉␉␉␊ |
920 | break;␊ |
921 | #else␉␉␉␉␉␉␊ |
922 | ␊ |
923 | //case FDISK_BOOTER:␊ |
924 | booterUFS = newFDiskBVRef(␊ |
925 | biosdev, partno,␊ |
926 | ((part->relsect + spc - 1) / spc) * spc,␊ |
927 | part,␊ |
928 | UFSInitPartition,␊ |
929 | UFSLoadFile,␊ |
930 | UFSReadFile,␊ |
931 | UFSGetDirEntry,␊ |
932 | UFSGetFileBlock,␊ |
933 | UFSGetUUID,␊ |
934 | UFSGetDescription,␊ |
935 | UFSFree,␊ |
936 | 0,␊ |
937 | kBIOSDevTypeHardDrive, 0);␊ |
938 | break;␊ |
939 | #endif␊ |
940 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
941 | case FDISK_FAT32:␊ |
942 | case FDISK_DOS12:␊ |
943 | case FDISK_DOS16S:␊ |
944 | case FDISK_DOS16B:␊ |
945 | case FDISK_SMALLFAT32:␊ |
946 | case FDISK_DOS16SLBA:␊ |
947 | bvr = newFDiskBVRef(␊ |
948 | biosdev, partno,␊ |
949 | part->relsect,␊ |
950 | part,␊ |
951 | MSDOSInitPartition,␊ |
952 | MSDOSLoadFile,␊ |
953 | MSDOSReadFile,␊ |
954 | MSDOSGetDirEntry,␊ |
955 | MSDOSGetFileBlock,␊ |
956 | MSDOSGetUUID,␊ |
957 | MSDOSGetDescription,␊ |
958 | MSDOSFree,␊ |
959 | 0,␊ |
960 | kBIOSDevTypeHardDrive, 0);␊ |
961 | break;␊ |
962 | case FDISK_NTFS:␊ |
963 | bvr = newFDiskBVRef(␊ |
964 | biosdev, partno,␊ |
965 | part->relsect,␊ |
966 | part,␊ |
967 | 0, 0, 0, 0, 0,␊ |
968 | NTFSGetUUID,␊ |
969 | NTFSGetDescription,␊ |
970 | (BVFree)free,␊ |
971 | 0, kBIOSDevTypeHardDrive, 0);␊ |
972 | break;␊ |
973 | #endif␊ |
974 | ␊ |
975 | #ifndef NO_LINUX_SUPPORT␊ |
976 | ␊ |
977 | case FDISK_LINUX:␊ |
978 | bvr = newFDiskBVRef(␊ |
979 | biosdev, partno,␊ |
980 | part->relsect,␊ |
981 | part,␊ |
982 | 0, 0, 0, 0, 0, 0,␊ |
983 | EX2GetDescription,␊ |
984 | (BVFree)free,␊ |
985 | 0, kBIOSDevTypeHardDrive, 0);␊ |
986 | break;␊ |
987 | #endif␊ |
988 | #ifndef NO_HAIKU_SUPPORT␉␉␉␉␉␉␊ |
989 | case FDISK_BEFS:␊ |
990 | bvr = newFDiskBVRef(␊ |
991 | biosdev, partno,␊ |
992 | part->relsect,␊ |
993 | part,␊ |
994 | 0, 0, 0, 0, 0, 0,␊ |
995 | BeFSGetDescription,␊ |
996 | (BVFree)free,␊ |
997 | 0, kBIOSDevTypeHardDrive, 0);␊ |
998 | break;␊ |
999 | #endif␊ |
1000 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1001 | case FDISK_FREEBSD:␊ |
1002 | bvr = newFDiskBVRef(␊ |
1003 | biosdev, partno,␊ |
1004 | part->relsect,␊ |
1005 | part,␊ |
1006 | 0, 0, 0, 0, 0, 0,␊ |
1007 | FreeBSDGetDescription,␊ |
1008 | (BVFree)free,␊ |
1009 | 0, kBIOSDevTypeHardDrive, 0);␊ |
1010 | break;␊ |
1011 | ␊ |
1012 | case FDISK_OPENBSD:␊ |
1013 | bvr = newFDiskBVRef(␊ |
1014 | biosdev, partno,␊ |
1015 | part->relsect,␊ |
1016 | part,␊ |
1017 | 0, 0, 0, 0, 0, 0,␊ |
1018 | OpenBSDGetDescription,␊ |
1019 | (BVFree)free,␊ |
1020 | 0, kBIOSDevTypeHardDrive, 0);␊ |
1021 | break;␊ |
1022 | #endif␊ |
1023 | default:␊ |
1024 | #if UNUSED␊ |
1025 | bvr = newFDiskBVRef(␊ |
1026 | biosdev, partno,␊ |
1027 | part->relsect,␊ |
1028 | part,␊ |
1029 | 0, 0, 0, 0, 0, 0, 0,␊ |
1030 | (BVFree)free,␊ |
1031 | 0,␊ |
1032 | kBIOSDevTypeHardDrive, 0);␊ |
1033 | #endif␊ |
1034 | break;␊ |
1035 | }␊ |
1036 | ␊ |
1037 | if ( bvr )␊ |
1038 | {␊ |
1039 | bvr->next = map->bvr;␊ |
1040 | map->bvr = bvr;␊ |
1041 | map->bvrcnt++;␊ |
1042 | }␊ |
1043 | }␊ |
1044 | ␊ |
1045 | #ifdef UFS_SUPPORT␊ |
1046 | // Booting from a CD with an UFS filesystem embedded␊ |
1047 | // in a booter partition.␊ |
1048 | ␊ |
1049 | if ( booterUFS )␊ |
1050 | {␊ |
1051 | if ( map->bvrcnt == 0 )␊ |
1052 | {␊ |
1053 | map->bvr = booterUFS;␊ |
1054 | map->bvrcnt++;␊ |
1055 | }␊ |
1056 | else free( booterUFS );␊ |
1057 | }␊ |
1058 | #endif␊ |
1059 | } while (0);␊ |
1060 | ␉␊ |
1061 | /*␊ |
1062 | * If no FDisk partition, then we will check for␊ |
1063 | * an Apple partition map elsewhere.␊ |
1064 | */␊ |
1065 | #if UNUSED␊ |
1066 | if (map->bvrcnt == 0) {␊ |
1067 | ␉␉static struct fdisk_part cdpart;␊ |
1068 | ␉␉cdpart.systid = 0xCD;␊ |
1069 | ␉␉␊ |
1070 | ␉␉/* Let's try assuming we are on a hybrid HFS/ISO9660 CD. */␊ |
1071 | ␉␉bvr = newFDiskBVRef(␊ |
1072 | biosdev, 0,␊ |
1073 | 0,␊ |
1074 | &cdpart,␊ |
1075 | HFSInitPartition,␊ |
1076 | HFSLoadFile,␊ |
1077 | HFSReadFile,␊ |
1078 | HFSGetDirEntry,␊ |
1079 | HFSGetFileBlock,␊ |
1080 | HFSGetUUID,␊ |
1081 | HFSGetDescription,␊ |
1082 | HFSFree,␊ |
1083 | 0,␊ |
1084 | kBIOSDevTypeHardDrive, 0);␊ |
1085 | ␉␉bvr->next = map->bvr;␊ |
1086 | ␉␉map->bvr = bvr;␊ |
1087 | ␉␉map->bvrcnt++;␊ |
1088 | }␊ |
1089 | #endif␊ |
1090 | // Actually this should always be true given the above code␊ |
1091 | if(map == gDiskBVMap)␊ |
1092 | {␊ |
1093 | // Don't leave a null map in the chain␊ |
1094 | if(map->bvrcnt == 0 && map->bvr == NULL)␊ |
1095 | {␊ |
1096 | gDiskBVMap = map->next;␊ |
1097 | free(map);␊ |
1098 | map = NULL;␊ |
1099 | }␊ |
1100 | }␊ |
1101 | ␉␊ |
1102 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1103 | ␉␊ |
1104 | return map ? map->bvr : NULL;␊ |
1105 | }␊ |
1106 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1107 | //==========================================================================␊ |
1108 | ␊ |
1109 | static BVRef diskScanAPMBootVolumes( int biosdev, int * countPtr )␊ |
1110 | {␊ |
1111 | struct DiskBVMap * map;␊ |
1112 | struct Block0 *block0_p;␊ |
1113 | unsigned int blksize;␊ |
1114 | unsigned int factor;␊ |
1115 | void *buffer = malloc(BPS);␊ |
1116 | ␉if (!buffer) {␊ |
1117 | return NULL;␊ |
1118 | }␊ |
1119 | /* Check for alternate block size */␊ |
1120 | if (readBytes( biosdev, 0, 0, BPS, buffer ) != 0) {␊ |
1121 | return NULL;␊ |
1122 | }␊ |
1123 | block0_p = buffer;␊ |
1124 | if (OSSwapBigToHostInt16(block0_p->sbSig) == BLOCK0_SIGNATURE) {␊ |
1125 | blksize = OSSwapBigToHostInt16(block0_p->sbBlkSize);␊ |
1126 | if (blksize != BPS) {␊ |
1127 | free(buffer);␊ |
1128 | buffer = malloc(blksize);␊ |
1129 | if (!buffer) {␊ |
1130 | return NULL;␊ |
1131 | }␊ |
1132 | }␊ |
1133 | factor = blksize / BPS;␊ |
1134 | } else {␊ |
1135 | blksize = BPS;␊ |
1136 | factor = 1;␊ |
1137 | }␊ |
1138 | ␊ |
1139 | // Create a new mapping.␊ |
1140 | ␊ |
1141 | map = (struct DiskBVMap *) malloc( sizeof(struct DiskBVMap) );␊ |
1142 | if ( !map )␊ |
1143 | {␊ |
1144 | return NULL;␊ |
1145 | }␊ |
1146 | ␊ |
1147 | do {␊ |
1148 | ␊ |
1149 | int error;␊ |
1150 | DPME *dpme_p = (DPME *)buffer;␊ |
1151 | UInt32 i, npart = UINT_MAX;␊ |
1152 | BVRef bvr;␊ |
1153 | ␊ |
1154 | map->biosdev = biosdev;␊ |
1155 | map->bvr = NULL;␊ |
1156 | map->bvrcnt = 0;␊ |
1157 | map->next = gDiskBVMap;␊ |
1158 | gDiskBVMap = map;␊ |
1159 | ␊ |
1160 | for (i=0; i<npart; i++) {␊ |
1161 | error = readBytes( biosdev, (kAPMSector + i) * factor, 0, blksize, buffer );␊ |
1162 | ␊ |
1163 | if (error || OSSwapBigToHostInt16(dpme_p->dpme_signature) != DPME_SIGNATURE) {␊ |
1164 | break;␊ |
1165 | }␊ |
1166 | ␊ |
1167 | if (i==0) {␊ |
1168 | npart = OSSwapBigToHostInt32(dpme_p->dpme_map_entries);␊ |
1169 | }␊ |
1170 | /*␊ |
1171 | printf("name = %s, %s%s %d -> %d [%d -> %d] {%d}\n",␊ |
1172 | dpme.dpme_name, dpme.dpme_type, (dpme.dpme_flags & DPME_FLAGS_BOOTABLE) ? "(bootable)" : "",␊ |
1173 | dpme.dpme_pblock_start, dpme.dpme_pblocks,␊ |
1174 | dpme.dpme_lblock_start, dpme.dpme_lblocks,␊ |
1175 | dpme.dpme_boot_block);␊ |
1176 | */␊ |
1177 | ␊ |
1178 | if (strncmp(dpme_p->dpme_type, "Apple_HFS",sizeof("Apple_HFS")) == 0) {␊ |
1179 | bvr = newAPMBVRef(biosdev,␊ |
1180 | i,␊ |
1181 | OSSwapBigToHostInt32(dpme_p->dpme_pblock_start) * factor,␊ |
1182 | dpme_p,␊ |
1183 | HFSInitPartition,␊ |
1184 | HFSLoadFile,␊ |
1185 | HFSReadFile,␊ |
1186 | HFSGetDirEntry,␊ |
1187 | HFSGetFileBlock,␊ |
1188 | HFSGetUUID,␊ |
1189 | HFSGetDescription,␊ |
1190 | HFSFree,␊ |
1191 | 0,␊ |
1192 | kBIOSDevTypeHardDrive, 0);␊ |
1193 | bvr->next = map->bvr;␊ |
1194 | map->bvr = bvr;␊ |
1195 | map->bvrcnt++;␊ |
1196 | }␊ |
1197 | } ␊ |
1198 | } while (0);␊ |
1199 | ␉␊ |
1200 | free(buffer);␊ |
1201 | ␉␊ |
1202 | if (countPtr) *countPtr = map ? map->bvrcnt : 0;␊ |
1203 | ␉␊ |
1204 | return map ? map->bvr : NULL;␊ |
1205 | }␊ |
1206 | ␊ |
1207 | //==========================================================================␊ |
1208 | #endif ␊ |
1209 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1210 | ␊ |
1211 | /*␊ |
1212 | * Trying to figure out the filsystem type of a given partition.␊ |
1213 | */␊ |
1214 | static int probeFileSystem(int biosdev, unsigned int blkoff)␊ |
1215 | {␊ |
1216 | ␉// detected filesystem type;␊ |
1217 | ␉int result = -1;␊ |
1218 | #ifndef NO_WIN_SUPPORT␊ |
1219 | ␉int fatbits;␊ |
1220 | #endif␊ |
1221 | ␊ |
1222 | ␉// Allocating buffer for 4 sectors.␊ |
1223 | ␉const void * probeBuffer = malloc(PROBEFS_SIZE);␊ |
1224 | ␉if (probeBuffer == NULL)␊ |
1225 | ␉␉goto exit;␊ |
1226 | ␉␊ |
1227 | ␉// Reading first 4 sectors of current partition␊ |
1228 | ␉int error = readBytes(biosdev, blkoff, 0, PROBEFS_SIZE, (void *)probeBuffer);␊ |
1229 | ␉if (error)␊ |
1230 | ␉␉goto exit;␊ |
1231 | ␉␊ |
1232 | ␉if (HFSProbe(probeBuffer))␊ |
1233 | ␉␉result = FDISK_HFS;␊ |
1234 | #ifndef NO_LINUX_SUPPORT␊ |
1235 | ␉else if (EX2Probe(probeBuffer))␊ |
1236 | ␉␉result = FDISK_LINUX;␊ |
1237 | #endif␊ |
1238 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
1239 | ␉else if (FreeBSDProbe(probeBuffer))␊ |
1240 | ␉␉result = FDISK_FREEBSD;␊ |
1241 | ␉else if (OpenBSDProbe(probeBuffer))␊ |
1242 | ␉␉result = FDISK_OPENBSD;␊ |
1243 | #endif␊ |
1244 | #ifndef NO_HAIKU_SUPPORT␊ |
1245 | ␉else if (BeFSProbe(probeBuffer))␊ |
1246 | ␉␉result = FDISK_BEFS;␊ |
1247 | #endif␊ |
1248 | #ifndef NO_WIN_SUPPORT␊ |
1249 | ␉else if (NTFSProbe(probeBuffer))␊ |
1250 | ␉␉result = FDISK_NTFS;␊ |
1251 | ␉else if ((fatbits=MSDOSProbe(probeBuffer)))␊ |
1252 | ␉{␊ |
1253 | ␉␉switch (fatbits)␊ |
1254 | ␉␉{␊ |
1255 | ␉␉␉case 32:␊ |
1256 | ␉␉␉default:␊ |
1257 | ␉␉␉␉result = FDISK_FAT32;␊ |
1258 | ␉␉␉␉break;␊ |
1259 | ␉␉␉case 16:␊ |
1260 | ␉␉␉␉result = FDISK_DOS16B;␊ |
1261 | ␉␉␉␉break;␊ |
1262 | ␉␉␉case 12:␊ |
1263 | ␉␉␉␉result = FDISK_DOS12;␊ |
1264 | ␉␉␉␉break;␉␉␉ ␊ |
1265 | ␉␉}␊ |
1266 | ␉}␊ |
1267 | #endif␊ |
1268 | ␉else␊ |
1269 | ␉␉// Couldn't detect filesystem type␊ |
1270 | ␉␉result = 0;␊ |
1271 | ␉␊ |
1272 | exit:␊ |
1273 | ␉if (probeBuffer != NULL) free((void *)probeBuffer);␊ |
1274 | ␉return result;␊ |
1275 | }␊ |
1276 | ␊ |
1277 | static bool isPartitionUsed(gpt_ent * partition)␊ |
1278 | {␊ |
1279 | //␊ |
1280 | // Ask whether the given partition is used.␊ |
1281 | //␊ |
1282 | ␉␊ |
1283 | return efi_guid_is_null((EFI_GUID const*)partition->ent_type) ? false : true;␊ |
1284 | }␊ |
1285 | ␊ |
1286 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -␊ |
1287 | ␊ |
1288 | static BVRef diskScanGPTBootVolumes( int biosdev, int * countPtr )␊ |
1289 | {␊ |
1290 | ␉if (biosdev >= 0x100 && (execute_hook("isRamDiskRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) ␊ |
1291 | ␉␉return NULL;␊ |
1292 | ␉␊ |
1293 | struct DiskBVMap * map = NULL;␊ |
1294 | void *buffer = malloc(BPS);␊ |
1295 | if (!buffer) {␊ |
1296 | goto scanErr;␊ |
1297 | }␊ |
1298 | int error;␉␊ |
1299 | if ( (error = readBytes( biosdev, /*secno*/0, 0, BPS, buffer )) != 0) {␊ |
1300 | DBG("Failed to read boot sector from BIOS device %02xh. Error=%d\n", biosdev, error);␊ |
1301 | goto scanErr;␊ |
1302 | }␊ |
1303 | struct REAL_disk_blk0 *fdiskMap = buffer;␊ |
1304 | if ( OSSwapLittleToHostInt16(fdiskMap->signature) != DISK_SIGNATURE )␊ |
1305 | {␊ |
1306 | verbose("Failed to find boot signature on BIOS device %02xh\n", biosdev);␊ |
1307 | goto scanErr;␊ |
1308 | }␊ |
1309 | ␉␊ |
1310 | int fdiskID = 0;␊ |
1311 | unsigned index;␊ |
1312 | for ( index = 0; index < FDISK_NPART; index++ )␊ |
1313 | {␊ |
1314 | if ( fdiskMap->parts[index].systid )␊ |
1315 | {␊ |
1316 | if ( fdiskMap->parts[index].systid == 0xEE )␊ |
1317 | {␊ |
1318 | // Fail if two 0xEE partitions are present which␊ |
1319 | // means the FDISK code will wind up parsing it.␊ |
1320 | if ( fdiskID ) goto scanErr;␊ |
1321 | ␉␉␉␉␊ |
1322 | fdiskID = index + 1;␊ |
1323 | }␊ |
1324 | }␊ |
1325 | }␊ |
1326 | ␉␊ |
1327 | if ( fdiskID == 0 ) goto scanErr;␊ |
1328 | DBG("Attempting to read GPT\n");␊ |
1329 | ␉␊ |
1330 | if(readBytes(biosdev, 1, 0, BPS, buffer) != 0)␊ |
1331 | goto scanErr;␊ |
1332 | ␊ |
1333 | gpt_hdr *headerMap = buffer;␊ |
1334 | ␉␊ |
1335 | // Determine whether the partition header signature is present.␊ |
1336 | ␉␊ |
1337 | if ( memcmp(headerMap->hdr_sig, GPT_HDR_SIG, strlen(GPT_HDR_SIG)) )␊ |
1338 | {␊ |
1339 | goto scanErr;␊ |
1340 | }␊ |
1341 | ␉␊ |
1342 | // Determine whether the partition header size is valid.␊ |
1343 | ␉␊ |
1344 | UInt32 headerCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_self);␊ |
1345 | UInt32 headerSize = OSSwapLittleToHostInt32(headerMap->hdr_size);␊ |
1346 | ␉␊ |
1347 | if ( headerSize < offsetof(gpt_hdr, padding) )␊ |
1348 | {␊ |
1349 | goto scanErr;␊ |
1350 | }␊ |
1351 | ␉␊ |
1352 | if ( headerSize > BPS )␊ |
1353 | {␊ |
1354 | goto scanErr;␊ |
1355 | }␊ |
1356 | ␉␊ |
1357 | // Determine whether the partition header checksum is valid.␊ |
1358 | ␉␊ |
1359 | headerMap->hdr_crc_self = 0;␊ |
1360 | ␉␊ |
1361 | if ( crc32(0, headerMap, headerSize) != headerCheck )␊ |
1362 | {␊ |
1363 | goto scanErr;␊ |
1364 | }␊ |
1365 | ␉␊ |
1366 | // Determine whether the partition entry size is valid.␊ |
1367 | ␉␊ |
1368 | UInt64 gptBlock = 0;␊ |
1369 | //UInt32 gptCheck = 0;␊ |
1370 | UInt32 gptCount = 0;␊ |
1371 | UInt32 gptID = 0;␊ |
1372 | gpt_ent * gptMap = 0;␊ |
1373 | UInt32 gptSize = 0;␊ |
1374 | ␉␊ |
1375 | gptBlock = OSSwapLittleToHostInt64(headerMap->hdr_lba_table);␊ |
1376 | //gptCheck = OSSwapLittleToHostInt32(headerMap->hdr_crc_table);␊ |
1377 | gptCount = OSSwapLittleToHostInt32(headerMap->hdr_entries);␊ |
1378 | gptSize = OSSwapLittleToHostInt32(headerMap->hdr_entsz);␊ |
1379 | ␉␊ |
1380 | if ( gptSize < sizeof(gpt_ent) )␊ |
1381 | {␊ |
1382 | goto scanErr;␊ |
1383 | }␊ |
1384 | ␉␊ |
1385 | // Allocate a buffer large enough to hold one map, rounded to a media block.␊ |
1386 | free(buffer);␊ |
1387 | buffer = NULL;␊ |
1388 | ␉␊ |
1389 | UInt32 bufferSize = IORound(gptCount * gptSize, BPS);␊ |
1390 | if(bufferSize == 0)␊ |
1391 | goto scanErr;␊ |
1392 | buffer = malloc(bufferSize);␊ |
1393 | ␉if (!buffer) {␊ |
1394 | goto scanErr;␊ |
1395 | }␊ |
1396 | if(readBytes(biosdev, gptBlock, 0, bufferSize, buffer) != 0)␊ |
1397 | goto scanErr;␊ |
1398 | ␉␊ |
1399 | DBG("Read GPT\n");␊ |
1400 | ␉␊ |
1401 | // Allocate a new map for this BIOS device and insert it into the chain␊ |
1402 | map = (struct DiskBVMap *) malloc(sizeof(struct DiskBVMap));␊ |
1403 | if (!map) {␊ |
1404 | goto scanErr;␊ |
1405 | }␊ |
1406 | map->biosdev = biosdev;␊ |
1407 | map->bvr = NULL;␊ |
1408 | map->bvrcnt = 0;␊ |
1409 | map->next = gDiskBVMap;␊ |
1410 | gDiskBVMap = map;␊ |
1411 | ␉␊ |
1412 | // fdisk like partition type id.␊ |
1413 | int fsType = 0;␊ |
1414 | ␊ |
1415 | for(gptID = 1; gptID <= gptCount; ++gptID)␊ |
1416 | {␊ |
1417 | ␉␉BVRef bvr = NULL;␊ |
1418 | ␉␉unsigned int bvrFlags = 0;␊ |
1419 | ␉␉␊ |
1420 | // size on disk can be larger than sizeof(gpt_ent)␊ |
1421 | gptMap = (gpt_ent *) ( buffer + ( (gptID - 1) * gptSize) );␊ |
1422 | ␉␉␊ |
1423 | // NOTE: EFI_GUID's are in LE and we know we're on an x86.␊ |
1424 | // The IOGUIDPartitionScheme.cpp code uses byte-based UUIDs, we don't.␊ |
1425 | ␉␉␊ |
1426 | if(isPartitionUsed(gptMap))␊ |
1427 | {␊ |
1428 | char stringuuid[100];␊ |
1429 | efi_guid_unparse_upper((EFI_GUID*)gptMap->ent_type, stringuuid, sizeof(stringuuid));␊ |
1430 | verbose("Reading GPT partition %d, type %s\n", gptID, stringuuid);␊ |
1431 | ␉␉␉␊ |
1432 | // Getting fdisk like partition type.␊ |
1433 | fsType = probeFileSystem(biosdev, gptMap->ent_lba_start);␊ |
1434 | ␉␉␉␊ |
1435 | if ( (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1436 | ␉␉␉␉(efi_guid_compare(&GPT_HFS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1437 | {␊ |
1438 | #ifdef BOOT_HELPER_SUPPORT␊ |
1439 | bvrFlags = (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ? kBVFlagBooter : 0;␊ |
1440 | #else␊ |
1441 | ␉␉␉␉if (efi_guid_compare(&GPT_BOOT_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ␊ |
1442 | ␉␉␉␉␉continue;␊ |
1443 | ␉␉␉␉else ␊ |
1444 | ␉␉␉␉␉bvrFlags = 0;␊ |
1445 | ␊ |
1446 | #endif␊ |
1447 | bvr = newGPTBVRef(biosdev,␊ |
1448 | ␉␉␉␉␉␉␉␉ gptID,␊ |
1449 | ␉␉␉␉␉␉␉␉ gptMap->ent_lba_start,␊ |
1450 | ␉␉␉␉␉␉␉␉ gptMap,␊ |
1451 | ␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1452 | ␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1453 | ␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1454 | ␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1455 | ␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1456 | ␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1457 | ␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1458 | ␉␉␉␉␉␉␉␉ HFSFree,␊ |
1459 | ␉␉␉␉␉␉␉␉ 0,␊ |
1460 | ␉␉␉␉␉␉␉␉ kBIOSDevTypeHardDrive, bvrFlags);␊ |
1461 | }␊ |
1462 | ␉␉␉␊ |
1463 | ␉␉␉// zef - foreign OS support␊ |
1464 | if ( (efi_guid_compare(&GPT_BASICDATA_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) ||␊ |
1465 | ␉␉␉␉(efi_guid_compare(&GPT_BASICDATA2_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1466 | {␊ |
1467 | ␉␉␉␉␊ |
1468 | ␉␉␉␉switch (fsType)␊ |
1469 | ␉␉␉␉{␊ |
1470 | #ifndef NO_WIN_SUPPORT␊ |
1471 | ␊ |
1472 | ␉␉␉␉␉case FDISK_NTFS:␊ |
1473 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1474 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, NTFSGetDescription,␊ |
1475 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1476 | ␉␉␉␉␉␉break;␊ |
1477 | #endif␊ |
1478 | ␉␉␉␉␉default:␊ |
1479 | ␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1480 | ␉␉␉␉␉␉␉␉␉␉ 0, 0, 0, 0, 0, 0, 0,␊ |
1481 | ␉␉␉␉␉␉␉␉␉␉ (BVFree)free, 0, kBIOSDevTypeHardDrive, 0);␊ |
1482 | ␉␉␉␉␉␉break;␊ |
1483 | ␉␉␉␉}␊ |
1484 | ␉␉␉␉␊ |
1485 | }␊ |
1486 | ␉␉␉␊ |
1487 | // turbo - save our booter partition␊ |
1488 | // zef - only on original boot device␊ |
1489 | if ( (efi_guid_compare(&GPT_EFISYS_GUID, (EFI_GUID const*)gptMap->ent_type) == 0) )␊ |
1490 | {␊ |
1491 | ␉␉␉␉switch (fsType)␊ |
1492 | ␉␉␉␉{␊ |
1493 | ␉␉␉␉␉case FDISK_HFS:␊ |
1494 | ␉␉␉␉␉␉if (readBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1495 | ␉␉␉␉␉␉{␊ |
1496 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1497 | ␉␉␉␉␉␉␉␉␉␉␉ HFSInitPartition,␊ |
1498 | ␉␉␉␉␉␉␉␉␉␉␉ HFSLoadFile,␊ |
1499 | ␉␉␉␉␉␉␉␉␉␉␉ HFSReadFile,␊ |
1500 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDirEntry,␊ |
1501 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetFileBlock,␊ |
1502 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetUUID,␊ |
1503 | ␉␉␉␉␉␉␉␉␉␉␉ HFSGetDescription,␊ |
1504 | ␉␉␉␉␉␉␉␉␉␉␉ HFSFree,␊ |
1505 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1506 | ␉␉␉␉␉␉}␊ |
1507 | ␉␉␉␉␉␉break;␊ |
1508 | #ifndef NO_WIN_SUPPORT␉␉␉␉␉␉␊ |
1509 | ␉␉␉␉␉case FDISK_FAT32:␊ |
1510 | ␉␉␉␉␉␉if (testFAT32EFIBootSector( biosdev, gptMap->ent_lba_start, (void *)0x7e00 ) == 0)␊ |
1511 | ␉␉␉␉␉␉{␊ |
1512 | ␉␉␉␉␉␉␉bvr = newGPTBVRef(biosdev, gptID, gptMap->ent_lba_start, gptMap,␊ |
1513 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSInitPartition,␊ |
1514 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSLoadFile,␊ |
1515 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSReadFile,␊ |
1516 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDirEntry,␊ |
1517 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetFileBlock,␊ |
1518 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetUUID,␊ |
1519 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSGetDescription,␊ |
1520 | ␉␉␉␉␉␉␉␉␉␉␉ MSDOSFree,␊ |
1521 | ␉␉␉␉␉␉␉␉␉␉␉ 0, kBIOSDevTypeHardDrive, kBVFlagEFISystem);␊ |
1522 | ␉␉␉␉␉␉}␊ |
1523 | ␉␉␉␉␉␉break;␊ |
1524 | #endif␊ |
1525 | ␉␉␉␉␉default:␉␉␉␉␉␉␊ |
1526 | ␉␉␉␉␉␉if (biosdev == (int)get_env(envgBIOSDev))␊ |
1527 | ␉␉␉␉␉␉␉safe_set_env(envgBIOSBootVolume, (uint32_t)bvr);␊ |
1528 | ␉␉␉␉␉␉break;␊ |
1529 | ␉␉␉␉}␊ |
1530 | } ␊ |
1531 | ␉␉␉␊ |
1532 | ␉␉␉if (bvr)␊ |
1533 | ␉␉␉{␊ |
1534 | ␉␉␉␉// Fixup bvr with the fake fdisk partition type.␊ |
1535 | ␉␉␉␉if (fsType > 0) bvr->part_type = fsType;␊ |
1536 | ␉␉␉␉␊ |
1537 | ␉␉␉␉bvr->next = map->bvr;␊ |
1538 | ␉␉␉␉map->bvr = bvr;␊ |
1539 | ␉␉␉␉++map->bvrcnt;␊ |
1540 | ␉␉␉}␊ |
1541 | ␉␉␉␊ |
1542 | }␊ |
1543 | }␊ |
1544 | ␉␊ |
1545 | scanErr:␊ |
1546 | if (buffer) free(buffer);␊ |
1547 | ␉␊ |
1548 | if(map)␊ |
1549 | {␊ |
1550 | if(countPtr) *countPtr = map->bvrcnt;␊ |
1551 | return map->bvr;␊ |
1552 | }␊ |
1553 | else␊ |
1554 | {␊ |
1555 | if(countPtr) *countPtr = 0;␊ |
1556 | return NULL;␊ |
1557 | }␊ |
1558 | }␊ |
1559 | ␊ |
1560 | static TagPtr XMLGetElementWithID( TagPtr dict, const char* id )␊ |
1561 | {␊ |
1562 | ␉if(dict->type != kTagTypeArray) return 0;␊ |
1563 | ␉␊ |
1564 | ␉int element = 0;␊ |
1565 | ␉TagPtr tmp = dict->tag;␊ |
1566 | ␉int entry_count = XMLTagCount(dict);␊ |
1567 | ␉␊ |
1568 | ␉while(element < entry_count)␊ |
1569 | ␉{␊ |
1570 | ␉␉char *Identifier = NULL;␊ |
1571 | ␉␉Identifier = XMLCastString(XMLGetProperty(tmp, (const char*)"Identifier"));␊ |
1572 | ␉␉␊ |
1573 | ␉␉if (Identifier && (strcmp(Identifier, id) == 0))␊ |
1574 | ␉␉{␉␉␉␊ |
1575 | ␉␉␉return tmp;␊ |
1576 | ␉␉}␊ |
1577 | ␉␉␊ |
1578 | ␉␉element++;␊ |
1579 | ␉␉tmp = tmp->tagNext;␊ |
1580 | ␉}␊ |
1581 | ␉␊ |
1582 | ␉return tmp;␊ |
1583 | }␊ |
1584 | ␊ |
1585 | static bool getOSInstallVersion(const char *dirSpec, char *str, config_file_t *systemVersion)␊ |
1586 | {␊ |
1587 | if (!loadConfigFile(dirSpec, systemVersion))␊ |
1588 | {␊ |
1589 | TagPtr pkg_p = XMLCastArray(XMLGetProperty(systemVersion->dictionary, (const char*)"Packages"));␊ |
1590 | ␊ |
1591 | if (pkg_p)␊ |
1592 | {␊ |
1593 | ␊ |
1594 | char *version = NULL;␊ |
1595 | ␊ |
1596 | version = XMLCastString(XMLGetProperty(␊ |
1597 | XMLGetElementWithID(pkg_p, ␊ |
1598 | "com.apple.mpkg.OSInstall"), ␊ |
1599 | (const char*)"Version"));␊ |
1600 | ␉␉␉␊ |
1601 | ␉␉␉if (!version) ␊ |
1602 | ␉␉␉{␊ |
1603 | ␉␉␉␉version = XMLCastString(XMLGetProperty(␊ |
1604 | ␉␉␉␉␉␉␉␉␉␉␉␉␉ XMLGetElementWithID(pkg_p, ␊ |
1605 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉ "com.apple.pkg.CompatibilityUpdate"), ␊ |
1606 | ␉␉␉␉␉␉␉␉␉␉␉␉␉ (const char*)"Version"));␊ |
1607 | ␉␉␉}␊ |
1608 | ␊ |
1609 | if (version && strlen(version) >= 4) ␊ |
1610 | {␊ |
1611 | *str = '\0';␊ |
1612 | strncat(str, version, 4);␊ |
1613 | return true;␊ |
1614 | ␊ |
1615 | }␉␉␉␉␉␉␊ |
1616 | }␉␉␉␉␉␊ |
1617 | }␊ |
1618 | ␊ |
1619 | return false;␊ |
1620 | }␊ |
1621 | ␊ |
1622 | static bool getOSInstallURL(BVRef bvr, const char *dirSpec, config_file_t *config_file)␊ |
1623 | {␊ |
1624 | if (!loadConfigFile(dirSpec, config_file))␊ |
1625 | {␊ |
1626 | char *encoded_url = XMLCastString(XMLGetProperty(config_file->dictionary, (const char*)"Product URL"));␊ |
1627 | ␉␉␊ |
1628 | ␉␉if (!encoded_url) {␊ |
1629 | ␉␉␉goto out;␊ |
1630 | ␉␉}␊ |
1631 | ␉␉␊ |
1632 | ␉␉DBG("encoded_url %s\n",encoded_url);␊ |
1633 | ␉␉␊ |
1634 | ␉␉//char * dev_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"; // strlen = 36␉␉␉␊ |
1635 | ␉␉␊ |
1636 | ␉␉//char * osx_product = "x-osproduct://";␉// strlen = 14␉␉␉␊ |
1637 | ␉␉␊ |
1638 | ␉␉char * val = &encoded_url[(36+14)+1];␊ |
1639 | ␉␉␊ |
1640 | ␉␉DBG("val %s\n",val);␊ |
1641 | ␉␉␊ |
1642 | ␉␉char * buffer = newStringFromURL(val);␊ |
1643 | ␉␉␊ |
1644 | ␉␉if (!buffer) ␊ |
1645 | ␉␉{␊ |
1646 | ␉␉␉goto out;␊ |
1647 | ␉␉}␊ |
1648 | ␉␉␊ |
1649 | ␉␉DBG("buffer %s\n",buffer);␉␉␉␉␊ |
1650 | ␉␉␊ |
1651 | ␉␉strlcpy(bvr->OSInstall, buffer, sizeof(bvr->OSInstall));␊ |
1652 | ␉␉␊ |
1653 | ␉␉free(buffer);␊ |
1654 | ␉␉␊ |
1655 | ␉␉return true;␊ |
1656 | }␊ |
1657 | out:␊ |
1658 | return false;␊ |
1659 | }␊ |
1660 | ␊ |
1661 | static bool getOSVersion(BVRef bvr, char *str)␊ |
1662 | {␊ |
1663 | ␉bool valid = false;␉␊ |
1664 | ␉config_file_t config_file;␊ |
1665 | ␉char dirSpec[512];␉␊ |
1666 | ␉␊ |
1667 | ␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/System/Library/CoreServices/SystemVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1668 | ␉␊ |
1669 | ␉if (!loadConfigFile(dirSpec, &config_file))␊ |
1670 | ␉{␊ |
1671 | ␉␉valid = true;␊ |
1672 | ␉}␊ |
1673 | ␉else ␊ |
1674 | ␉{␊ |
1675 | ␉␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/System/Library/CoreServices/ServerVersion.plist", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1676 | ␉␉␊ |
1677 | ␉␉if (!loadConfigFile(dirSpec, &config_file))␊ |
1678 | ␉␉{␉␊ |
1679 | bvr->OSisServer = true;␊ |
1680 | ␉␉␉valid = true;␊ |
1681 | ␉␉}␊ |
1682 | ␉␉else ␊ |
1683 | ␉␉{␊ |
1684 | ␉␉␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/.IAProductInfo", BIOS_DEV_UNIT(bvr), bvr->part_no); ␊ |
1685 | ␉␉␉DBG("dirSpec %s\n",dirSpec);␊ |
1686 | ␊ |
1687 | ␉␉␉if (!loadConfigFile(dirSpec, &config_file))␊ |
1688 | ␉␉␉{␉␊ |
1689 | ␉␉␉␉if (getOSInstallURL(bvr, dirSpec, &config_file)) ␊ |
1690 | ␉␉␉␉{␊ |
1691 | ␉␉␉␉␉snprintf(dirSpec, sizeof(dirSpec),"hd(%d,%d)/%s/index.sproduct", BIOS_DEV_UNIT(bvr), bvr->part_no, bvr->OSInstall); ␊ |
1692 | ␉␉␉␉␉␊ |
1693 | ␉␉␉␉␉DBG("dirSpec %s\n",dirSpec);␊ |
1694 | ␉␉␉␉␉␊ |
1695 | ␉␉␉␉␉if (!getOSInstallVersion(dirSpec, str, &config_file))␊ |
1696 | ␉␉␉␉␉␉return false;␊ |
1697 | ␉␉␉␉␉else␊ |
1698 | ␉␉␉␉␉␉return true;␊ |
1699 | ␉␉␉␉}␊ |
1700 | ␉␉␉}␊ |
1701 | ␉␉}␊ |
1702 | ␉}␊ |
1703 | ␉␊ |
1704 | ␉if (valid)␊ |
1705 | ␉{␉␉␊ |
1706 | ␉␉const char *val;␊ |
1707 | ␉␉int len;␊ |
1708 | ␉␉␊ |
1709 | ␉␉if (getValueForKey(kProductVersion, &val, &len, &config_file))␊ |
1710 | ␉␉{␊ |
1711 | ␉␉␉// getValueForKey uses const char for val␊ |
1712 | ␉␉␉// so copy it and trim␊ |
1713 | ␉␉␉*str = '\0';␊ |
1714 | ␉␉␉strncat(str, val, MIN(len, 4));␊ |
1715 | ␉␉}␊ |
1716 | ␉␉else␊ |
1717 | ␉␉␉valid = false;␊ |
1718 | ␉}␊ |
1719 | ␉␊ |
1720 | ␉return valid;␊ |
1721 | }␊ |
1722 | ␊ |
1723 | static bool CheckDarwin(BVRef bvr)␊ |
1724 | {␊ |
1725 | long flags, time, ret = -1; ␊ |
1726 | ␊ |
1727 | char dirspec[128];␊ |
1728 | ␊ |
1729 | char *kdirspec[] = {␊ |
1730 | ␉␉"hd(%d,%d)/mach_kernel",␊ |
1731 | #if UNUSED␊ |
1732 | ␉␉"hd(%d,%d)/System/Library/CoreServices/mach_kernel" ␊ |
1733 | #endif␊ |
1734 | ␉};␊ |
1735 | ␊ |
1736 | bvr->kernelfound = true;␊ |
1737 | ␊ |
1738 | snprintf(dirspec,sizeof(dirspec),kdirspec[0],BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1739 | ␊ |
1740 | ret = GetFileInfo(NULL, dirspec, &flags, &time);␊ |
1741 | ␊ |
1742 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
1743 | #if UNUSED␊ |
1744 | ␊ |
1745 | snprintf(dirspec,sizeof(dirspec),kdirspec[1],BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1746 | ␊ |
1747 | ret = GetFileInfo(NULL, dirspec, &flags, &time); ␊ |
1748 | ␊ |
1749 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) ␊ |
1750 | #endif␊ |
1751 | {␊ |
1752 | bvr->kernelfound = false; // Non fatal, let the booter determine the directory ␊ |
1753 | }␊ |
1754 | ␊ |
1755 | } ␊ |
1756 | ␊ |
1757 | if (bvr->kernelfound == true) {␊ |
1758 | DBG("Kernel found !!, path : %s\n",dirspec);␊ |
1759 | }␊ |
1760 | ␊ |
1761 | ␊ |
1762 | return getOSVersion(bvr,bvr->OSVersion);␊ |
1763 | }␊ |
1764 | ␊ |
1765 | //==========================================================================␊ |
1766 | ␊ |
1767 | static void scanFSLevelBVRSettings(BVRef chain)␊ |
1768 | {␊ |
1769 | ␉BVRef bvr;␊ |
1770 | #ifdef BOOT_HELPER_SUPPORT␊ |
1771 | int ret;␊ |
1772 | ␉char label[BVSTRLEN];␊ |
1773 | ␉char dirSpec[256];␊ |
1774 | ␉int fh, fileSize, error;␊ |
1775 | #endif␊ |
1776 | ␉for (bvr = chain; bvr < (BVRef)ULONG_MAX; bvr = bvr->next) {␊ |
1777 | if (!bvr) {␊ |
1778 | break;␊ |
1779 | }␊ |
1780 | #ifdef BOOT_HELPER_SUPPORT␊ |
1781 | ␉␉error = 0;␊ |
1782 | ␊ |
1783 | ␉␉//␊ |
1784 | ␉␉// Check for alternate volume label on boot helper partitions.␊ |
1785 | ␉␉//␊ |
1786 | ␉␉if (bvr->flags & kBVFlagBooter)␊ |
1787 | ␉␉{␊ |
1788 | ␉␉␉snprintf(dirSpec, sizeof(dirsSpec),"hd(%d,%d)/System/Library/CoreServices/", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
1789 | ␉␉␉strlcpy(fileSpec, ".disk_label.contentDetails", sizeof(fileSpec));␊ |
1790 | ␉␉␉ret = GetFileInfo(dirSpec, fileSpec, &flags, &time);␊ |
1791 | ␉␉␉if (!ret)␊ |
1792 | ␉␉␉{␊ |
1793 | ␉␉␉␉strlcat(dirSpec, fileSpec, sizeof(dirSpec));␊ |
1794 | ␊ |
1795 | ␉␉␉␉fh = open(dirSpec);␊ |
1796 | ␉␉␉␉fileSize = file_size(fh);␊ |
1797 | ␉␉␉␉if (fileSize > 0 && fileSize < BVSTRLEN)␊ |
1798 | ␉␉␉␉{␊ |
1799 | ␉␉␉␉␉if (read(fh, label, fileSize) != fileSize)␊ |
1800 | ␉␉␉␉␉␉error = -1;␊ |
1801 | ␉␉␉␉}␊ |
1802 | ␉␉␉␉else␊ |
1803 | ␉␉␉␉␉error = -1;␊ |
1804 | ␉␉␉␉␊ |
1805 | ␉␉␉␉close(fh);␊ |
1806 | ␉␉␉␉␊ |
1807 | ␉␉␉␉if (!error)␊ |
1808 | ␉␉␉␉{␊ |
1809 | ␉␉␉␉␉label[fileSize] = '\0';␊ |
1810 | ␉␉␉␉␉strlcpy(bvr->altlabel, label, sizeof(bvr->altlabel));␊ |
1811 | ␉␉␉␉}␊ |
1812 | ␉␉␉}␊ |
1813 | ␉␉}␊ |
1814 | #endif␊ |
1815 | ␉␉//␊ |
1816 | ␉␉// Check for SystemVersion.plist or ServerVersion.plist␊ |
1817 | ␉␉// to determine if a volume hosts an installed system.␊ |
1818 | ␉␉//␊ |
1819 | ␉␉if (bvr->flags & kBVFlagNativeBoot)␊ |
1820 | ␉␉{␊ |
1821 | ␉␉␉if (CheckDarwin(bvr) == true)␊ |
1822 | ␉␉␉{␊ |
1823 | ␉␉␉␉bvr->flags |= kBVFlagSystemVolume;␊ |
1824 | ␉␉␉}␊ |
1825 | ␉␉}␊ |
1826 | ␉␉␊ |
1827 | ␉}␊ |
1828 | }␊ |
1829 | #ifndef OPTION_ROM␊ |
1830 | void rescanBIOSDevice(int biosdev)␊ |
1831 | {␊ |
1832 | ␉struct DiskBVMap *oldMap = diskResetBootVolumes(biosdev);␊ |
1833 | if (oldMap == NULL)␊ |
1834 | {␊ |
1835 | return;␊ |
1836 | }␊ |
1837 | ␉CacheReset();␊ |
1838 | ␉diskFreeMap(oldMap);␊ |
1839 | ␉oldMap = NULL;␊ |
1840 | ␉scanBootVolumes(biosdev, 0);␊ |
1841 | }␊ |
1842 | #endif␊ |
1843 | ␊ |
1844 | struct DiskBVMap* diskResetBootVolumes(int biosdev)␊ |
1845 | {␊ |
1846 | struct DiskBVMap * map;␊ |
1847 | struct DiskBVMap *prevMap = NULL;␊ |
1848 | for ( map = gDiskBVMap; map; prevMap = map, map = map->next ) {␊ |
1849 | if ( biosdev == map->biosdev ) {␊ |
1850 | break;␊ |
1851 | }␊ |
1852 | }␊ |
1853 | if(map != NULL)␊ |
1854 | {␊ |
1855 | verbose("Resetting BIOS device %xh\n", biosdev);␊ |
1856 | // Reset the biosbuf cache␊ |
1857 | cache_valid = false;␊ |
1858 | if(map == gDiskBVMap)␊ |
1859 | gDiskBVMap = map->next;␊ |
1860 | else if(prevMap != NULL)␊ |
1861 | prevMap->next = map->next;␊ |
1862 | else␊ |
1863 | {␊ |
1864 | stop("diskResetBootVolumes error\n");␊ |
1865 | return NULL;␊ |
1866 | }␊ |
1867 | }␊ |
1868 | // Return the old map, either to be freed, or reinserted later␊ |
1869 | return map;␊ |
1870 | }␊ |
1871 | ␊ |
1872 | // Frees a DiskBVMap and all of its BootVolume's␊ |
1873 | void diskFreeMap(struct DiskBVMap *map)␊ |
1874 | {␊ |
1875 | if(map != NULL)␊ |
1876 | {␊ |
1877 | while(map->bvr != NULL)␊ |
1878 | {␊ |
1879 | BVRef bvr = map->bvr;␊ |
1880 | map->bvr = bvr->next;␊ |
1881 | (*bvr->bv_free)(bvr);␊ |
1882 | }␊ |
1883 | free(map);␊ |
1884 | }␊ |
1885 | }␊ |
1886 | ␊ |
1887 | BVRef diskScanBootVolumes( int biosdev, int * countPtr )␊ |
1888 | {␊ |
1889 | struct DiskBVMap * map;␊ |
1890 | BVRef bvr;␊ |
1891 | int count = 0;␊ |
1892 | ␉␊ |
1893 | // Find an existing mapping for this device.␊ |
1894 | ␉␊ |
1895 | for ( map = gDiskBVMap; map; map = map->next ) {␊ |
1896 | if ( biosdev == map->biosdev ) {␊ |
1897 | count = map->bvrcnt;␊ |
1898 | break;␊ |
1899 | }␊ |
1900 | }␊ |
1901 | ␉␊ |
1902 | if (map == NULL) {␊ |
1903 | bvr = diskScanGPTBootVolumes(biosdev, &count);␊ |
1904 | if (bvr == NULL) {␊ |
1905 | ␉␉␉bvr = diskScanFDiskBootVolumes(biosdev, &count);␊ |
1906 | }␊ |
1907 | #ifdef APPLE_PARTITION_MAP_SUPPORT␊ |
1908 | if (bvr == NULL) {␊ |
1909 | ␉␉␉bvr = diskScanAPMBootVolumes(biosdev, &count);␊ |
1910 | }␊ |
1911 | #endif␊ |
1912 | if (bvr)␊ |
1913 | {␊ |
1914 | ␉␉␉scanFSLevelBVRSettings(bvr);␊ |
1915 | }␊ |
1916 | } else {␊ |
1917 | bvr = map->bvr;␊ |
1918 | }␊ |
1919 | if (countPtr) *countPtr += count;␊ |
1920 | return bvr;␊ |
1921 | }␊ |
1922 | ␊ |
1923 | BVRef getBVChainForBIOSDev(int biosdev)␊ |
1924 | {␊ |
1925 | ␉BVRef chain = NULL;␊ |
1926 | ␉struct DiskBVMap * map = NULL;␊ |
1927 | ␉␊ |
1928 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1929 | ␉{␊ |
1930 | ␉␉if (map->biosdev == biosdev)␊ |
1931 | ␉␉{␊ |
1932 | ␉␉␉chain = map->bvr;␊ |
1933 | ␉␉␉break;␊ |
1934 | ␉␉}␊ |
1935 | ␉}␊ |
1936 | ␉␊ |
1937 | ␉return chain;␊ |
1938 | }␊ |
1939 | ␊ |
1940 | BVRef newFilteredBVChain(int minBIOSDev, int maxBIOSDev, unsigned int allowFlags, unsigned int denyFlags, int *count)␊ |
1941 | {␊ |
1942 | ␉BVRef chain = NULL;␊ |
1943 | ␉BVRef bvr = NULL;␊ |
1944 | ␉BVRef newBVR = NULL;␊ |
1945 | ␉BVRef prevBVR = NULL;␊ |
1946 | ␉␊ |
1947 | ␉struct DiskBVMap * map = NULL;␊ |
1948 | ␉int bvCount = 0;␊ |
1949 | ␉␊ |
1950 | ␉const char *raw = 0;␊ |
1951 | ␉char* val = 0;␊ |
1952 | ␉int len;␊ |
1953 | ␊ |
1954 | ␉getValueForKey(kHidePartition, &raw, &len, DEFAULT_BOOT_CONFIG);␊ |
1955 | ␉if(raw)␊ |
1956 | ␉{␊ |
1957 | ␉␉val = XMLDecode(raw); ␊ |
1958 | ␉}␊ |
1959 | ␉␊ |
1960 | ␉/*␊ |
1961 | ␉ * Traverse gDISKBVmap to get references for␊ |
1962 | ␉ * individual bvr chains of each drive.␊ |
1963 | ␉ */␊ |
1964 | ␉for (map = gDiskBVMap; map; map = map->next)␊ |
1965 | ␉{␊ |
1966 | ␉␉for (bvr = map->bvr; bvr; bvr = bvr->next)␊ |
1967 | ␉␉{␊ |
1968 | ␉␉␉/*␊ |
1969 | ␉␉␉ * Save the last bvr.␊ |
1970 | ␉␉␉ */␊ |
1971 | ␉␉␉if (newBVR) prevBVR = newBVR;␊ |
1972 | ␉␉␉␊ |
1973 | ␉␉␉/*␊ |
1974 | ␉␉␉ * Allocate and copy the matched bvr entry into a new one.␊ |
1975 | ␉␉␉ */␊ |
1976 | ␉␉␉newBVR = (BVRef) malloc(sizeof(struct BootVolume));␊ |
1977 | if (!newBVR) {␊ |
1978 | continue;␊ |
1979 | }␊ |
1980 | ␉␉␉bcopy(bvr, newBVR, sizeof(struct BootVolume));␊ |
1981 | ␉␉␉␊ |
1982 | ␉␉␉/*␊ |
1983 | ␉␉␉ * Adjust the new bvr's fields.␊ |
1984 | ␉␉␉ */␊ |
1985 | ␉␉␉newBVR->next = NULL;␊ |
1986 | ␉␉␉newBVR->filtered = true;␊ |
1987 | ␉␉␉␊ |
1988 | ␉␉␉if ( (!allowFlags || newBVR->flags & allowFlags)␊ |
1989 | ␉␉␉␉&& (!denyFlags || !(newBVR->flags & denyFlags) )␊ |
1990 | ␉␉␉␉&& (newBVR->biosdev >= minBIOSDev && newBVR->biosdev <= maxBIOSDev)␊ |
1991 | ␉␉␉␉)␊ |
1992 | ␉␉␉␉newBVR->visible = true;␊ |
1993 | ␉␉␉␊ |
1994 | ␉␉␉/* Looking for "Hide Partition" entries in 'hd(x,y)|uuid|"label" hd(m,n)|uuid|"label"' format␊ |
1995 | ␉␉␉ * to be able to hide foreign partitions from the boot menu.␊ |
1996 | ␉␉␉ */␊ |
1997 | ␉␉␉if ( (newBVR->flags & kBVFlagForeignBoot) )␊ |
1998 | ␉␉␉{␊ |
1999 | ␉␉␉␉char *start, *next = val;␊ |
2000 | ␉␉␉␉long len = 0; ␊ |
2001 | ␉␉␉␉do␊ |
2002 | ␉␉␉␉{␊ |
2003 | ␉␉␉␉␉start = strbreak(next, &next, &len);␊ |
2004 | ␉␉␉␉␉if(len && matchVolumeToString(newBVR, start, len) )␊ |
2005 | ␉␉␉␉␉␉newBVR->visible = false;␊ |
2006 | ␉␉␉␉}␊ |
2007 | ␉␉␉␉while ( next && *next );␊ |
2008 | ␉␉␉}␊ |
2009 | ␉␉␉␊ |
2010 | ␉␉␉/*␊ |
2011 | ␉␉␉ * Use the first bvr entry as the starting chain pointer.␊ |
2012 | ␉␉␉ */␊ |
2013 | ␉␉␉if (!chain)␊ |
2014 | ␉␉␉␉chain = newBVR;␊ |
2015 | ␉␉␉␊ |
2016 | ␉␉␉/*␊ |
2017 | ␉␉␉ * Update the previous bvr's link pointer to use the new memory area.␊ |
2018 | ␉␉␉ */␊ |
2019 | ␉␉␉if (prevBVR)␊ |
2020 | ␉␉␉␉prevBVR->next = newBVR;␊ |
2021 | ␉␉␉␊ |
2022 | ␉␉␉if (newBVR->visible)␊ |
2023 | ␉␉␉␉bvCount++;␊ |
2024 | ␉␉}␊ |
2025 | ␉}␊ |
2026 | ␉␊ |
2027 | #if DEBUG␊ |
2028 | ␉for (bvr = chain; bvr < (BVRef)ULONG_MAX; bvr = bvr->next) {␊ |
2029 | if (!bvr) {␊ |
2030 | break;␊ |
2031 | }␊ |
2032 | ␉␉printf(" bvr: %p, dev: %d, part: %d, flags: %d, vis: %d\n", bvr, bvr->biosdev, bvr->part_no, bvr->flags, bvr->visible);␊ |
2033 | ␉}␊ |
2034 | ␉printf("count: %d\n", bvCount);␊ |
2035 | ␉getc();␊ |
2036 | #endif␊ |
2037 | ␉␊ |
2038 | ␉*count = bvCount;␊ |
2039 | ␉␊ |
2040 | ␉free(val); ␊ |
2041 | ␉return chain;␊ |
2042 | }␊ |
2043 | ␊ |
2044 | int freeFilteredBVChain(const BVRef chain)␊ |
2045 | {␊ |
2046 | ␉int ret = 1;␊ |
2047 | ␉BVRef bvr = chain;␊ |
2048 | ␉BVRef nextBVR = NULL;␉␊ |
2049 | ␊ |
2050 | ␉while (bvr < (BVRef)ULONG_MAX)␊ |
2051 | ␉{␊ |
2052 | if (!bvr) {␊ |
2053 | break;␊ |
2054 | }␊ |
2055 | ␉␉nextBVR = bvr->next;␊ |
2056 | ␉␉␊ |
2057 | ␉␉if (bvr->filtered)␊ |
2058 | ␉␉{␊ |
2059 | ␉␉␉free(bvr);␊ |
2060 | ␉␉}␊ |
2061 | ␉␉else␊ |
2062 | ␉␉{␊ |
2063 | ␉␉␉ret = 0;␊ |
2064 | ␉␉␉break;␊ |
2065 | ␉␉}␊ |
2066 | ␉␉␊ |
2067 | ␉␉bvr = nextBVR;␊ |
2068 | ␉}␊ |
2069 | ␉␊ |
2070 | ␉return ret;␊ |
2071 | }␊ |
2072 | ␊ |
2073 | //==========================================================================␊ |
2074 | ␊ |
2075 | static const struct NamedValue fdiskTypes[] =␊ |
2076 | {␊ |
2077 | #ifndef NO_WIN_SUPPORT␊ |
2078 | { FDISK_NTFS, "Windows NTFS" },␊ |
2079 | ␉{ FDISK_DOS12, "Windows FAT12" },␊ |
2080 | ␉{ FDISK_DOS16B, "Windows FAT16" },␊ |
2081 | ␉{ FDISK_DOS16S, "Windows FAT16" },␊ |
2082 | ␉{ FDISK_DOS16SLBA, "Windows FAT16" },␊ |
2083 | ␉{ FDISK_SMALLFAT32, "Windows FAT32" },␊ |
2084 | ␉{ FDISK_FAT32, "Windows FAT32" },␊ |
2085 | #endif␊ |
2086 | #ifndef NO_OTHERS_BSD_SUPPORT␊ |
2087 | ␉{ FDISK_FREEBSD, "FreeBSD" },␊ |
2088 | { FDISK_OPENBSD, "OpenBSD" },␊ |
2089 | #endif␊ |
2090 | #ifndef NO_LINUX_SUPPORT␊ |
2091 | { FDISK_LINUX, "Linux" },␊ |
2092 | #endif␊ |
2093 | #ifdef UFS_SUPPORT␊ |
2094 | { FDISK_UFS, "Apple UFS" },␊ |
2095 | #endif␊ |
2096 | { FDISK_HFS, "Apple HFS" },␊ |
2097 | { FDISK_BOOTER, "Apple Boot/UFS" },␊ |
2098 | #ifndef NO_HAIKU_SUPPORT␊ |
2099 | ␉{ FDISK_BEFS, "Haiku" },␊ |
2100 | #endif␊ |
2101 | { 0xCD, "CD-ROM" },␊ |
2102 | { 0x00, 0 } /* must be last */␊ |
2103 | };␊ |
2104 | ␊ |
2105 | //==========================================================================␊ |
2106 | ␊ |
2107 | bool matchVolumeToString( BVRef bvr, const char* match, long matchLen)␊ |
2108 | {␊ |
2109 | ␉char testStr[128];␊ |
2110 | ␉␊ |
2111 | ␉if ( !bvr || !match || !*match)␊ |
2112 | ␉␉return 0;␊ |
2113 | ␉␊ |
2114 | ␉if ( bvr->biosdev < 0x80 || bvr->biosdev >= 0x100 )␊ |
2115 | return 0;␊ |
2116 | ␊ |
2117 | // Try to match hd(x,y) first.␊ |
2118 | snprintf(testStr, sizeof(testStr),"hd(%d,%d)", BIOS_DEV_UNIT(bvr), bvr->part_no);␊ |
2119 | if ( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2120 | return true;␊ |
2121 | ␊ |
2122 | // Try to match volume UUID.␊ |
2123 | if ( bvr->fs_getuuid && bvr->fs_getuuid(bvr, testStr, sizeof(testStr)) == 0)␊ |
2124 | {␊ |
2125 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2126 | return true;␊ |
2127 | }␊ |
2128 | ␊ |
2129 | // Try to match volume label (always quoted).␊ |
2130 | if ( bvr->description )␊ |
2131 | {␊ |
2132 | bvr->description(bvr, testStr, sizeof(testStr)-1);␊ |
2133 | if( matchLen ? !strncmp(match, testStr, matchLen) : !strcmp(match, testStr) )␊ |
2134 | return true;␊ |
2135 | }␊ |
2136 | ␊ |
2137 | return false;␊ |
2138 | }␊ |
2139 | ␊ |
2140 | /* If Rename Partition has defined an alias, then extract it for description purpose␊ |
2141 | * The format for the rename string is the following:␊ |
2142 | * hd(x,y)|uuid|"label" "alias";hd(m,n)|uuid|"label" etc; ...␊ |
2143 | */␊ |
2144 | ␊ |
2145 | static bool getVolumeLabelAlias(BVRef bvr, char* str, long strMaxLen)␊ |
2146 | {␊ |
2147 | char *aliasList, *entryStart, *entryNext;␊ |
2148 | ␊ |
2149 | if ( !str || strMaxLen <= 0)␊ |
2150 | return false;␊ |
2151 | ␊ |
2152 | aliasList = XMLDecode(getStringForKey(kRenamePartition, DEFAULT_BOOT_CONFIG));␊ |
2153 | if ( !aliasList )␊ |
2154 | return false;␊ |
2155 | ␊ |
2156 | for ( entryStart = entryNext = aliasList;␊ |
2157 | ␉␉ entryNext && *entryNext;␊ |
2158 | ␉␉ entryStart = entryNext )␊ |
2159 | {␊ |
2160 | char *volStart, *volEnd, *aliasStart;␊ |
2161 | long volLen, aliasLen;␊ |
2162 | ␊ |
2163 | // Delimit current entry␊ |
2164 | entryNext = strchr(entryStart, ';');␊ |
2165 | if ( entryNext )␊ |
2166 | {␊ |
2167 | *entryNext = '\0';␊ |
2168 | entryNext++;␊ |
2169 | }␊ |
2170 | ␊ |
2171 | volStart = strbreak(entryStart, &volEnd, &volLen);␊ |
2172 | if(!volLen)␊ |
2173 | continue;␊ |
2174 | ␊ |
2175 | aliasStart = strbreak(volEnd, 0, &aliasLen);␊ |
2176 | if(!aliasLen)␊ |
2177 | continue;␊ |
2178 | ␊ |
2179 | if ( matchVolumeToString(bvr, volStart, volLen) )␊ |
2180 | { ␊ |
2181 | strncat(str, aliasStart, min(strMaxLen, aliasLen));␊ |
2182 | free(aliasList);␊ |
2183 | ␉␉␉␊ |
2184 | return true;␊ |
2185 | }␊ |
2186 | }␊ |
2187 | ␊ |
2188 | free(aliasList);␊ |
2189 | return false;␊ |
2190 | }␊ |
2191 | ␊ |
2192 | void getBootVolumeDescription( BVRef bvr, char * str, long strMaxLen, bool useDeviceDescription )␊ |
2193 | {␊ |
2194 | unsigned char type;␊ |
2195 | char *p = str;␊ |
2196 | ␊ |
2197 | if(!bvr || !p || strMaxLen <= 0)␊ |
2198 | return;␊ |
2199 | ␊ |
2200 | type = (unsigned char) bvr->part_type;␊ |
2201 | ␉␊ |
2202 | if (useDeviceDescription)␊ |
2203 | {␊ |
2204 | int len = getDeviceDescription(bvr, str, strMaxLen);␊ |
2205 | if(len >= strMaxLen)␊ |
2206 | return;␊ |
2207 | ␊ |
2208 | strlcpy(str + len, " ", strMaxLen);␊ |
2209 | len++;␊ |
2210 | strMaxLen -= len;␊ |
2211 | p += len;␊ |
2212 | }␊ |
2213 | ␉␊ |
2214 | /* See if a partition rename is preferred */␊ |
2215 | if(getVolumeLabelAlias(bvr, p, strMaxLen)) {␊ |
2216 | strncpy(bvr->label, p, strMaxLen); ␊ |
2217 | return; // we're done here no need to seek for real name␊ |
2218 | }␊ |
2219 | ␉␊ |
2220 | //␊ |
2221 | // Get the volume label using filesystem specific functions␊ |
2222 | // or use the alternate volume label if available.␊ |
2223 | //␊ |
2224 | ␉if (*bvr->altlabel != '\0')␊ |
2225 | strncpy(p, bvr->altlabel, strMaxLen);␊ |
2226 | ␉else if (bvr->description)␊ |
2227 | bvr->description(bvr, p, strMaxLen);␊ |
2228 | ␉␊ |
2229 | if (*p == '\0') {␊ |
2230 | const char * name = getNameForValue( fdiskTypes, type );␊ |
2231 | if (name == NULL) {␊ |
2232 | name = bvr->type_name;␊ |
2233 | }␊ |
2234 | if (name == NULL) {␊ |
2235 | snprintf(p, strMaxLen, "TYPE %02x", type);␊ |
2236 | } else {␊ |
2237 | strncpy(p, name, strMaxLen);␊ |
2238 | }␊ |
2239 | }␊ |
2240 | ␊ |
2241 | // Set the devices label␊ |
2242 | snprintf(bvr->label, sizeof(bvr->label), p);␊ |
2243 | }␊ |
2244 | ␊ |
2245 | //==========================================================================␊ |
2246 | int readBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2247 | {␊ |
2248 | struct disk_blk0 * bootSector = (struct disk_blk0 *) buffer;␊ |
2249 | int error;␊ |
2250 | ␉␊ |
2251 | if ( bootSector == NULL )␊ |
2252 | {␊ |
2253 | if ( gBootSector == NULL )␊ |
2254 | {␊ |
2255 | gBootSector = (struct disk_blk0 *) malloc(sizeof(struct disk_blk0));␊ |
2256 | if ( gBootSector == NULL ) return -1;␊ |
2257 | }␊ |
2258 | bootSector = gBootSector;␊ |
2259 | }␊ |
2260 | ␉␊ |
2261 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2262 | if ( error || bootSector->signature != DISK_SIGNATURE )␊ |
2263 | return -1;␊ |
2264 | ␉␊ |
2265 | return 0;␊ |
2266 | }␊ |
2267 | ␊ |
2268 | #ifndef NO_WIN_SUPPORT␊ |
2269 | /*␊ |
2270 | * Format of boot1f32 block.␊ |
2271 | */␊ |
2272 | ␊ |
2273 | #define BOOT1F32_MAGIC "BOOT "␊ |
2274 | #define BOOT1F32_MAGICLEN 11␊ |
2275 | ␊ |
2276 | struct disk_boot1f32_blk {␊ |
2277 | unsigned char init[3];␊ |
2278 | unsigned char fsheader[87];␊ |
2279 | unsigned char magic[BOOT1F32_MAGICLEN];␊ |
2280 | unsigned char bootcode[409];␊ |
2281 | unsigned short signature;␊ |
2282 | };␊ |
2283 | ␊ |
2284 | int testFAT32EFIBootSector( int biosdev, unsigned int secno, void * buffer )␊ |
2285 | {␊ |
2286 | struct disk_boot1f32_blk * bootSector = (struct disk_boot1f32_blk *) buffer;␊ |
2287 | int error;␊ |
2288 | ␉␊ |
2289 | if ( bootSector == NULL )␊ |
2290 | {␊ |
2291 | if ( gBootSector == NULL )␊ |
2292 | {␊ |
2293 | gBootSector = (struct disk_blk0 *) malloc(sizeof(struct disk_blk0));␊ |
2294 | if ( gBootSector == NULL ) return -1;␊ |
2295 | }␊ |
2296 | bootSector = (struct disk_boot1f32_blk *) gBootSector;␊ |
2297 | }␊ |
2298 | ␉␊ |
2299 | error = readBytes( biosdev, secno, 0, BPS, bootSector );␊ |
2300 | if ( error || bootSector->signature != DISK_SIGNATURE␊ |
2301 | ␉␉|| strncmp((const char *)bootSector->magic, BOOT1F32_MAGIC, BOOT1F32_MAGICLEN) )␊ |
2302 | ␉␉return -1;␊ |
2303 | ␉␊ |
2304 | return 0;␊ |
2305 | }␊ |
2306 | #endif␊ |
2307 | //==========================================================================␊ |
2308 | // Handle seek request from filesystem modules.␊ |
2309 | ␊ |
2310 | void diskSeek( BVRef bvr, long long position )␊ |
2311 | {␊ |
2312 | bvr->fs_boff = position / BPS;␊ |
2313 | bvr->fs_byteoff = position % BPS;␊ |
2314 | }␊ |
2315 | ␊ |
2316 | //==========================================================================␊ |
2317 | // Handle read request from filesystem modules.␊ |
2318 | ␊ |
2319 | int diskRead( BVRef bvr, long addr, long length )␊ |
2320 | {␊ |
2321 | return readBytes( bvr->biosdev,␊ |
2322 | ␉␉␉␉␉ bvr->fs_boff + bvr->part_boff,␊ |
2323 | ␉␉␉␉␉ bvr->fs_byteoff,␊ |
2324 | ␉␉␉␉␉ length,␊ |
2325 | ␉␉␉␉␉ (void *) addr );␊ |
2326 | }␊ |
2327 | ␊ |
2328 | #if UNUSED␊ |
2329 | int rawDiskRead( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2330 | {␊ |
2331 | int secs;␊ |
2332 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2333 | unsigned int copy_len;␊ |
2334 | int rc;␊ |
2335 | ␉␊ |
2336 | if ((len & (BPS-1)) != 0) {␊ |
2337 | printf("raw disk read not sector aligned");␊ |
2338 | return -1;␊ |
2339 | }␊ |
2340 | secno += bvr->part_boff;␊ |
2341 | ␉␊ |
2342 | cache_valid = false;␊ |
2343 | ␉␊ |
2344 | while (len > 0) {␊ |
2345 | secs = len / BPS;␊ |
2346 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2347 | copy_len = secs * BPS;␊ |
2348 | ␉␉␊ |
2349 | //printf("rdr: ebiosread(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2350 | if ((rc = ebiosread(bvr->biosdev, secno, secs)) != 0) {␊ |
2351 | /* Ignore corrected ECC errors */␊ |
2352 | if (rc != ECC_CORRECTED_ERR) {␊ |
2353 | printf(" EBIOS read error: %s\n", bios_error(rc), rc);␊ |
2354 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2355 | return rc;␊ |
2356 | }␊ |
2357 | }␊ |
2358 | bcopy( trackbuf, cbuf, copy_len );␊ |
2359 | len -= copy_len;␊ |
2360 | cbuf += copy_len;␊ |
2361 | secno += secs;␊ |
2362 | #if TEXT_SPINNER␊ |
2363 | ␉␉spinActivityIndicator(secs);␊ |
2364 | #endif␊ |
2365 | }␊ |
2366 | ␉␊ |
2367 | return 0;␊ |
2368 | }␊ |
2369 | ␊ |
2370 | int rawDiskWrite( BVRef bvr, unsigned int secno, void *buffer, unsigned int len )␊ |
2371 | {␊ |
2372 | int secs;␊ |
2373 | unsigned char *cbuf = (unsigned char *)buffer;␊ |
2374 | unsigned int copy_len;␊ |
2375 | int rc;␊ |
2376 | ␉␊ |
2377 | if ((len & (BPS-1)) != 0) {␊ |
2378 | printf("raw disk write not sector aligned");␊ |
2379 | return -1;␊ |
2380 | }␊ |
2381 | secno += bvr->part_boff;␊ |
2382 | ␉␊ |
2383 | cache_valid = false;␊ |
2384 | ␉␊ |
2385 | while (len > 0) {␊ |
2386 | secs = len / BPS;␊ |
2387 | if (secs > N_CACHE_SECS) secs = N_CACHE_SECS;␊ |
2388 | copy_len = secs * BPS;␊ |
2389 | ␉␉␊ |
2390 | bcopy( cbuf, trackbuf, copy_len );␊ |
2391 | //printf("rdr: ebioswrite(%d, %d, %d)\n", bvr->biosdev, secno, secs);␊ |
2392 | if ((rc = ebioswrite(bvr->biosdev, secno, secs)) != 0) {␊ |
2393 | printf(" EBIOS write error: %s\n", bios_error(rc), rc);␊ |
2394 | printf(" Block %d Sectors %d\n", secno, secs);␊ |
2395 | return rc;␊ |
2396 | }␊ |
2397 | len -= copy_len;␊ |
2398 | cbuf += copy_len;␊ |
2399 | secno += secs;␊ |
2400 | #if TEXT_SPINNER␊ |
2401 | ␉␉spinActivityIndicator(secs);␊ |
2402 | #endif␊ |
2403 | }␊ |
2404 | ␉␊ |
2405 | return 0;␊ |
2406 | }␊ |
2407 | #endif␊ |
2408 | ␊ |
2409 | int diskIsCDROM(BVRef bvr)␊ |
2410 | {␊ |
2411 | struct driveInfo di;␊ |
2412 | ␉␊ |
2413 | if (getDriveInfo(bvr->biosdev, &di) == 0 && di.no_emulation) {␊ |
2414 | ␉␉return 1;␊ |
2415 | }␊ |
2416 | return 0;␊ |
2417 | }␊ |
2418 | ␊ |
2419 | int biosDevIsCDROM(int biosdev)␊ |
2420 | {␊ |
2421 | struct driveInfo di;␊ |
2422 | ␉␊ |
2423 | if (getDriveInfo(biosdev, &di) == 0 && di.no_emulation)␊ |
2424 | {␊ |
2425 | ␉return 1;␊ |
2426 | }␊ |
2427 | return 0;␊ |
2428 | }␊ |
2429 | |