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 by Intel Corporation␊ |
40 | */␊ |
41 | ␊ |
42 | /*␊ |
43 | * Copyright 1993 NeXT Computer, Inc.␊ |
44 | * All rights reserved.␊ |
45 | */␊ |
46 | ␊ |
47 | /*␊ |
48 | * Completely reworked by Sam Streeper (sam_s@NeXT.com)␊ |
49 | * Reworked again by Curtis Galloway (galloway@NeXT.com)␊ |
50 | */␊ |
51 | ␊ |
52 | ␊ |
53 | #include "boot.h"␊ |
54 | #include "bootstruct.h"␊ |
55 | #include "fake_efi.h"␊ |
56 | #include "sl.h"␊ |
57 | #include "libsa.h"␊ |
58 | #include "platform.h"␊ |
59 | #include "graphics.h"␊ |
60 | #include "appleboot.h"␊ |
61 | #include "modules.h"␊ |
62 | #include "xml.h"␊ |
63 | #include "options.h"␊ |
64 | #include "drivers.h"␊ |
65 | ␊ |
66 | #ifndef DEBUG_BOOT␊ |
67 | #define DEBUG_BOOT 0␊ |
68 | #endif␊ |
69 | ␊ |
70 | #if DEBUG_BOOT␊ |
71 | #define DBG(x...)␉␉printf(x)␊ |
72 | #else␊ |
73 | #define DBG(x...)␊ |
74 | #endif␊ |
75 | ␊ |
76 | ␊ |
77 | typedef struct platform_info {␊ |
78 | ␉char platformName[PLATFORM_NAME_LEN];␊ |
79 | ␉char rootPath[ROOT_PATH_LEN];␊ |
80 | } PlatformInfo;␊ |
81 | ␊ |
82 | static BVRef bvChain;␊ |
83 | static bool forcecache = false;␊ |
84 | ␊ |
85 | static char gBootKernelCacheFile[Cache_len_name];␊ |
86 | static char gMKextName[Cache_len_name];␊ |
87 | static void zeroBSS(void);␊ |
88 | static int ExecKernel(void *binary);␊ |
89 | static void getRootDevice();␊ |
90 | static bool find_file_with_ext(const char* dir, const char *ext, const char * name_compare, size_t ext_size);␊ |
91 | static bool found_extra_kext(void);␊ |
92 | static void determineCpuArch(void);␊ |
93 | void getKernelCachePath(void);␊ |
94 | #ifdef NBP_SUPPORT␊ |
95 | static bool gUnloadPXEOnExit = false;␊ |
96 | #endif␊ |
97 | static void getRootDevice(void);␊ |
98 | ␊ |
99 | /*␊ |
100 | * How long to wait (in seconds) to load the␊ |
101 | * kernel after displaying the "boot:" prompt.␊ |
102 | */␊ |
103 | #define kBootErrorTimeout 5␊ |
104 | ␊ |
105 | /*␊ |
106 | * Default path to kernel cache file␊ |
107 | */␊ |
108 | #define kDefaultCachePath "/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache"␊ |
109 | ␊ |
110 | //==========================================================================␊ |
111 | // Zero the BSS.␊ |
112 | ␊ |
113 | static void zeroBSS(void)␊ |
114 | {␊ |
115 | #if (defined(__clang__)) && (defined(__XCODE45_HACK__))/* WARNING : must be first, __GNUC__ seems to be also defined */␊ |
116 | ␉␊ |
117 | ␉extern int bss_start __asm("section$start$__DATA$__bss");␊ |
118 | extern int bss_end __asm("section$end$__DATA$__bss");␊ |
119 | extern int common_start __asm("section$start$__DATA$__common");␊ |
120 | extern int common_end __asm("section$end$__DATA$__common");␊ |
121 | ␉␊ |
122 | ␉bzero(&bss_start, (&bss_end - &bss_start));␊ |
123 | ␉bzero(&common_start, (&common_end - &common_start));␊ |
124 | ␉␊ |
125 | #elif (defined(__GNUC__)) || (defined(__llvm__))␊ |
126 | ␉␊ |
127 | ␉extern char _DATA__bss__begin, _DATA__bss__end;␊ |
128 | ␉extern char _DATA__common__begin, _DATA__common__end;␊ |
129 | ␉␊ |
130 | ␉bzero(&_DATA__bss__begin, (&_DATA__bss__end - &_DATA__bss__begin));␊ |
131 | ␉bzero(&_DATA__common__begin, (&_DATA__common__end - &_DATA__common__begin));␊ |
132 | ␉␊ |
133 | #endif␊ |
134 | }␊ |
135 | ␊ |
136 | #ifdef ZALLOC␊ |
137 | //==========================================================================␊ |
138 | // Malloc error function␊ |
139 | ␊ |
140 | #ifdef SAFE_MALLOC␊ |
141 | static inline void malloc_error(char *addr, size_t size, const char *file, int line)␊ |
142 | {␊ |
143 | stop("\nMemory allocation error! Addr=0x%x, Size=0x%x, File=%s, Line=%d\n", (unsigned)addr, (unsigned)size, file, line);␊ |
144 | }␊ |
145 | #else␊ |
146 | static inline void malloc_error(char *addr, size_t size)␊ |
147 | {␊ |
148 | printf("\nMemory allocation error (0x%x, 0x%x)\n", (unsigned)addr, (unsigned)size);␊ |
149 | asm volatile ("hlt");␊ |
150 | }␊ |
151 | #endif␊ |
152 | ␊ |
153 | #else␊ |
154 | ␊ |
155 | static inline void print_callback(char *s)␊ |
156 | {␊ |
157 | printf("%s", s);␊ |
158 | }␊ |
159 | ␊ |
160 | #endif␊ |
161 | ␊ |
162 | BVRef getBvChain(void)␊ |
163 | {␊ |
164 | ␉return bvChain;␊ |
165 | }␊ |
166 | ␊ |
167 | ␊ |
168 | //==========================================================================␊ |
169 | //Initializes the runtime. Right now this means zeroing the BSS and initializing malloc.␊ |
170 | //␊ |
171 | void initialize_runtime(void)␊ |
172 | {␊ |
173 | ␉zeroBSS();␊ |
174 | #ifdef ZALLOC␊ |
175 | ␉malloc_init(0, 0, 0, malloc_error);␊ |
176 | #else␊ |
177 | ␉__printf_init(print_callback);␊ |
178 | ␊ |
179 | #endif␊ |
180 | }␊ |
181 | ␊ |
182 | //==========================================================================␊ |
183 | // execKernel - Load the kernel image (mach-o) and jump to its entry point.␊ |
184 | static entry_t kernelEntry;␊ |
185 | ␊ |
186 | static int ExecKernel(void *binary)␊ |
187 | {␊ |
188 | int ret;␊ |
189 | ␊ |
190 | bootArgs->kaddr = bootArgs->ksize = 0;␊ |
191 | ␉␊ |
192 | ␉{␊ |
193 | ␉␉bool KPRebootOption = false;␊ |
194 | ␉␉bool HiDPIOption = false;␊ |
195 | ␉␉␊ |
196 | ␉␉getBoolForKey(kRebootOnPanic, &KPRebootOption, DEFAULT_BOOT_CONFIG);␊ |
197 | ␉␉if (KPRebootOption == true) bootArgs->flags |= kBootArgsFlagRebootOnPanic;␊ |
198 | ␉␉␊ |
199 | ␉␉getBoolForKey(kEnableHiDPI, &HiDPIOption, DEFAULT_BOOT_CONFIG);␊ |
200 | ␉␉if (HiDPIOption == true) bootArgs->flags |= kBootArgsFlagHiDPI;␊ |
201 | ␉}␊ |
202 | ␉␊ |
203 | ␉if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6')␊ |
204 | ␉{␊ |
205 | ␉␉bootArgs->Version = kBootArgsVersion1;␊ |
206 | ␉␉bootArgs->Revision = ((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3];␊ |
207 | ␉}␊ |
208 | ␉else␊ |
209 | ␉{␊ |
210 | #if kBootArgsVersion > 1␊ |
211 | ␉␉␊ |
212 | ␉␉bootArgs->Version = kBootArgsVersion;␊ |
213 | ␉␉bootArgs->Revision = kBootArgsRevision;␊ |
214 | #else␊ |
215 | ␉␉if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] >= '7')␊ |
216 | ␉␉{␊ |
217 | ␉␉␉bootArgs->Version = 2;␊ |
218 | ␉␉␉bootArgs->Revision = 0;␊ |
219 | ␉␉}␊ |
220 | #endif␊ |
221 | ␉}␊ |
222 | ␉␊ |
223 | ␉execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL, NULL, NULL);␊ |
224 | ␊ |
225 | ret = DecodeKernel(binary,␊ |
226 | &kernelEntry,␊ |
227 | (char **) &bootArgs->kaddr,␊ |
228 | (int *)&bootArgs->ksize );␊ |
229 | ␊ |
230 | if ( ret != 0 )␊ |
231 | return ret;␊ |
232 | ␊ |
233 | // Reserve space for boot args for 10.7 only (for 10.6 and earlier, we will convert (to legacy) the structure and reserve kernel memory for it later.)␊ |
234 | ␉if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] >= '7')␊ |
235 | reserveKernBootStruct();␊ |
236 | ␉␊ |
237 | // Load boot drivers from the specifed root path.␊ |
238 | ␉␊ |
239 | if (!get_env(envgHaveKernelCache))␊ |
240 | ␉{␊ |
241 | ␉␉LoadDrivers("/");␊ |
242 | }␊ |
243 | ␊ |
244 | showError();␊ |
245 | ␉␊ |
246 | ␉execute_hook("md0Ramdisk", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
247 | ␊ |
248 | setupFakeEfi();␊ |
249 | ␊ |
250 | verbose("Starting Darwin %s\n",( get_env(envarchCpuType) == CPU_TYPE_I386 ) ? "x86" : "x86_64");␊ |
251 | #ifdef NBP_SUPPORT␊ |
252 | // Cleanup the PXE base code.␊ |
253 | ␉␊ |
254 | if ( (get_env(envgBootFileType) == kNetworkDeviceType) && gUnloadPXEOnExit )␊ |
255 | ␉{␊ |
256 | ␉␉if ( (ret = nbpUnloadBaseCode()) != nbpStatusSuccess )␊ |
257 | {␊ |
258 | ␉printf("nbpUnloadBaseCode error %d\n", (int) ret);␊ |
259 | sleep(2);␊ |
260 | }␊ |
261 | }␊ |
262 | #endif␊ |
263 | ␉{␊ |
264 | ␉␉bool wait = false;␊ |
265 | ␉␉const char *strval = 0;␊ |
266 | ␉␉int dummysize /*= 0*/;␊ |
267 | ␉␉␊ |
268 | ␉␉getBoolForKey(kWaitForKeypressKey, &wait, DEFAULT_BOOT_CONFIG);␊ |
269 | ␉␉␊ |
270 | ␉␉if (getValueForBootKey(bootArgs->CommandLine, "-wait", &strval, &dummysize))␊ |
271 | ␉␉{␊ |
272 | ␉␉␉wait = true;␊ |
273 | ␉␉␉␊ |
274 | ␉␉␉if (strval && ((strncmp(strval, "no", sizeof("no")) == 0) || (strncmp(strval, "No", sizeof("No")) == 0)))␊ |
275 | ␉␉␉{␊ |
276 | ␉␉␉␉wait = false;␊ |
277 | ␉␉␉}␊ |
278 | ␉␉}␊ |
279 | ␉␉␊ |
280 | ␉␉if (wait == true)␊ |
281 | ␉␉{␊ |
282 | ␉␉␉pause();␊ |
283 | ␉␉}␊ |
284 | ␉}␊ |
285 | ␊ |
286 | //debug_platform_env();␊ |
287 | ␊ |
288 | ␉if ((execute_hook("GUI_ExecKernel", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)) // (bootArgs->Video.v_display == VGA_TEXT_MODE)␊ |
289 | ␉{␊ |
290 | __setVideoMode( GRAPHICS_MODE );␊ |
291 | ␉␉␊ |
292 | ␊ |
293 | ␉␉if(!get_env(envgVerboseMode))␊ |
294 | ␉␉{␊ |
295 | ␉␉␉__drawColorRectangle(0, 0, DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT, 0x01);␊ |
296 | ␊ |
297 | ␉␉␉uint8_t *appleBootPict;␊ |
298 | ␉␉␉uint16_t bootImageWidth = kAppleBootWidth;␊ |
299 | ␉␉␉uint16_t bootImageHeight = kAppleBootHeight;␊ |
300 | ␉␉␉uint8_t *bootImageData = NULL;␊ |
301 | ␉␉␉uint16_t x, y;␊ |
302 | ␉␉␉␊ |
303 | ␉␉␉unsigned long screen_params[4] = {DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT, 32, 0};␉// here we store the used screen resolution␊ |
304 | ␉␉␉// Prepare the data for the default Apple boot image.␊ |
305 | ␉␉␉appleBootPict = (uint8_t *) __decodeRLE(gAppleBootPictRLE, kAppleBootRLEBlocks, bootImageWidth * bootImageHeight);␊ |
306 | ␉␉␉if (appleBootPict)␊ |
307 | ␉␉␉{␊ |
308 | ␉␉␉␉if(__convertImage(bootImageWidth, bootImageHeight, appleBootPict, &bootImageData) == 0)␊ |
309 | {␊ |
310 | if (bootImageData)␊ |
311 | {␊ |
312 | x = (screen_params[0] - MIN(kAppleBootWidth, screen_params[0])) / 2;␊ |
313 | y = (screen_params[1] - MIN(kAppleBootHeight, screen_params[1])) / 2;␊ |
314 | __drawDataRectangle(x, y, kAppleBootWidth, kAppleBootHeight, bootImageData);␊ |
315 | free(bootImageData);␊ |
316 | }␊ |
317 | }␊ |
318 | ␉␉␉␉␊ |
319 | ␉␉␉␉free(appleBootPict);␊ |
320 | ␉␉␉}␊ |
321 | ␊ |
322 | ␉␉}␊ |
323 | ␉}␊ |
324 | ␊ |
325 | finalizeEFIConfigTable();␊ |
326 | ␊ |
327 | ␉setupBooterLog();␊ |
328 | ␉␊ |
329 | finalizeBootStruct();␊ |
330 | ␊ |
331 | ␉execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL, NULL, NULL);␉// Notify modules that the kernel is about to be started␊ |
332 | ␉␊ |
333 | #if UNUSED␊ |
334 | ␉turnOffFloppy();␊ |
335 | #endif␊ |
336 | #if BETA␊ |
337 | #include "smp-imps.h"␊ |
338 | #include "apic.h"␊ |
339 | ␉IMPS_LAPIC_WRITE(LAPIC_LVT1, LAPIC_ICR_DM_NMI);␊ |
340 | #endif␊ |
341 | ␊ |
342 | ␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6') {␊ |
343 | ␉␉␊ |
344 | reserveKernLegacyBootStruct();␊ |
345 | ␉␉␊ |
346 | ␉␉// Jump to kernel's entry point. There's no going back now. XXX LEGACY OS XXX␊ |
347 | ␉␉startprog( kernelEntry, bootArgsLegacy );␊ |
348 | ␉}␊ |
349 | ␉␊ |
350 | ␉outb(0x21, 0xff); /* Maskout all interrupts Pic1 */␊ |
351 | ␉outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */␊ |
352 | ␊ |
353 | ␉// Jump to kernel's entry point. There's no going back now. XXX LION XXX␊ |
354 | startprog( kernelEntry, bootArgs );␊ |
355 | ␊ |
356 | // Should not be reached␊ |
357 | ␉␊ |
358 | return 0;␊ |
359 | }␊ |
360 | ␊ |
361 | //==========================================================================␊ |
362 | // This is the entrypoint from real-mode which functions exactly as it did␊ |
363 | // before. Multiboot does its own runtime initialization, does some of its␊ |
364 | // own things, and then calls common_boot.␊ |
365 | void boot(int biosdev)␊ |
366 | {␊ |
367 | ␉initialize_runtime();␊ |
368 | ␉// Enable A20 gate before accessing memory above 1Mb.␊ |
369 | ␉enableA20();␊ |
370 | ␉common_boot(biosdev);␊ |
371 | }␊ |
372 | ␊ |
373 | //==========================================================================␊ |
374 | // The 'main' function for the booter. Called by boot0 when booting␊ |
375 | // from a block device, or by the network booter.␊ |
376 | //␊ |
377 | // arguments:␊ |
378 | // biosdev - Value passed from boot1/NBP to specify the device␊ |
379 | // that the booter was loaded from.␊ |
380 | //␊ |
381 | // If biosdev is kBIOSDevNetwork, then this function will return if␊ |
382 | // booting was unsuccessful. This allows the PXE firmware to try the␊ |
383 | // next boot device on its list.␊ |
384 | void common_boot(int biosdev)␊ |
385 | {␊ |
386 | int status;␊ |
387 | bool firstRun = true;␊ |
388 | int devcnt = 0;␊ |
389 | int bvCount = 0;␊ |
390 | ␉int BIOSDev = 0;␊ |
391 | long gBootMode = kBootModeNormal; /* defaults to 0 == kBootModeNormal */␊ |
392 | ␊ |
393 | unsigned int allowBVFlags = kBVFlagSystemVolume|kBVFlagForeignBoot;␊ |
394 | unsigned int denyBVFlags = kBVFlagEFISystem;␊ |
395 | ␉␊ |
396 | #ifdef NBP_SUPPORT␊ |
397 | // Set reminder to unload the PXE base code. Neglect to unload␊ |
398 | // the base code will result in a hang or kernel panic.␊ |
399 | gUnloadPXEOnExit = true;␊ |
400 | #endif␊ |
401 | ␊ |
402 | // Setup VGA text mode.␊ |
403 | // It's unsafe to call setVideoMode() before the␊ |
404 | // bootargs is initialized, we call video_mode() instead.␊ |
405 | #if DEBUG␊ |
406 | printf("before video_mode\n");␊ |
407 | #endif␊ |
408 | video_mode( 2 ); // 80x25 mono text mode.␊ |
409 | #if DEBUG␊ |
410 | printf("after video_mode\n");␊ |
411 | #endif␊ |
412 | ␉printf("Starting Chameleon ...\n");␊ |
413 | ␊ |
414 | ␉Install_Default_Handler();␉␊ |
415 | ␊ |
416 | ␉initBooterLog();␊ |
417 | ␊ |
418 | ␉// Initialize boot info structure.␊ |
419 | initKernBootStruct();␊ |
420 | ␉␊ |
421 | // Scan and record the system's hardware information.␊ |
422 | scan_platform();␊ |
423 | ␉␊ |
424 | ␉␊ |
425 | ␉// Pseudo-random generator initialization.␊ |
426 | // arc4_init();␊ |
427 | ␉␊ |
428 | set_env(envgBIOSDev, (BIOSDev = biosdev & kBIOSDevMask));␊ |
429 | set_env(envShouldboot, false);␊ |
430 | set_env(envkCacheFile, (uint32_t)gBootKernelCacheFile);␊ |
431 | set_env(envMKextName, (uint32_t)gMKextName);␊ |
432 | ␉set_env(envHFSLoadVerbose, 1);␊ |
433 | ␉set_env(envarchCpuType, CPU_TYPE_I386);␊ |
434 | ␉set_env(envgHaveKernelCache, false);␊ |
435 | ␊ |
436 | InitBootPrompt();␊ |
437 | ␉␊ |
438 | // First get info for boot volume.␊ |
439 | scanBootVolumes(BIOSDev, 0);␊ |
440 | ␊ |
441 | bvChain = getBVChainForBIOSDev(BIOSDev);␊ |
442 | ␉␊ |
443 | setBootGlobals(bvChain);␊ |
444 | ␊ |
445 | // Load Booter boot.plist config file␊ |
446 | loadBooterConfig();␊ |
447 | ␉␊ |
448 | {␊ |
449 | bool isServer = false;␊ |
450 | getBoolForKey(kIsServer, &isServer, DEFAULT_BOOT_CONFIG); // we must set this as soon as possible␊ |
451 | set_env(envIsServer , isServer);␊ |
452 | }␊ |
453 | ␉␊ |
454 | ␊ |
455 | ␉{␊ |
456 | ␉␉bool quiet = false;␊ |
457 | ␉␉if (getBoolForKey(kQuietBootKey, &quiet, DEFAULT_BOOT_CONFIG) && quiet)␊ |
458 | ␉␉{␊ |
459 | ␉␉␉gBootMode |= kBootModeQuiet;␊ |
460 | ␉␉}␊ |
461 | ␉}␊ |
462 | ␊ |
463 | set_env(envgBootMode, gBootMode);␊ |
464 | ␉␊ |
465 | ␉{␊ |
466 | ␉␉bool instantMenu = false;␊ |
467 | ␉␉// Override firstRun to get to the boot menu instantly by setting "Instant Menu"=y in system config␊ |
468 | ␉␉if (getBoolForKey(kInsantMenuKey, &instantMenu, DEFAULT_BOOT_CONFIG) && instantMenu)␊ |
469 | ␉␉{␊ |
470 | ␉␉␉firstRun = false;␊ |
471 | ␉␉}␊ |
472 | ␉}␊ |
473 | ␊ |
474 | {␊ |
475 | bool ScanSingleDrive = false;␊ |
476 | // Enable touching a single BIOS device only if "Scan Single Drive"=y is set in system config.␊ |
477 | if (getBoolForKey(kScanSingleDriveKey, &ScanSingleDrive, DEFAULT_BOOT_CONFIG) && ScanSingleDrive)␊ |
478 | {␊ |
479 | ScanSingleDrive = true;␊ |
480 | }␊ |
481 | safe_set_env(envgScanSingleDrive, ScanSingleDrive);␊ |
482 | // Create a list of partitions on device(s).␊ |
483 | if (ScanSingleDrive)␊ |
484 | {␊ |
485 | scanBootVolumes(BIOSDev, &bvCount);␊ |
486 | }␊ |
487 | else␊ |
488 | {␊ |
489 | scanDisks();␊ |
490 | }␊ |
491 | ␊ |
492 | ␉}␊ |
493 | ␊ |
494 | // Create a separated bvr chain using the specified filters.␊ |
495 | bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &devcnt);␊ |
496 | safe_set_env(envgDeviceCount,devcnt);␊ |
497 | ␊ |
498 | ␉safe_set_env(envgBootVolume, (uint32_t)selectBootVolume(bvChain));␊ |
499 | ␊ |
500 | ␉␊ |
501 | ␉LoadBundles("/Extra/");␊ |
502 | ␊ |
503 | // Loading preboot ramdisk if exists.␊ |
504 | ␉execute_hook("loadPrebootRAMDisk", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
505 | ␊ |
506 | {␊ |
507 | // Disable rescan option by default␊ |
508 | bool CDROMRescan = false;␊ |
509 | ␊ |
510 | // Enable it with Rescan=y in system config␊ |
511 | if (getBoolForKey(kRescanKey, &CDROMRescan, DEFAULT_BOOT_CONFIG) && CDROMRescan)␊ |
512 | {␊ |
513 | CDROMRescan = true;␊ |
514 | ␊ |
515 | }␊ |
516 | safe_set_env(envgEnableCDROMRescan, CDROMRescan);␊ |
517 | ␊ |
518 | }␊ |
519 | ␊ |
520 | ␉␊ |
521 | ␉{␊ |
522 | ␉␉bool rescanPrompt = false;␊ |
523 | ␉␉// Ask the user for Rescan option by setting "Rescan Prompt"=y in system config.␊ |
524 | ␉␉if (getBoolForKey(kRescanPromptKey, &rescanPrompt , DEFAULT_BOOT_CONFIG) && rescanPrompt && biosDevIsCDROM((int)get_env(envgBIOSDev)))␊ |
525 | ␉␉{␊ |
526 | safe_set_env(envgEnableCDROMRescan, promptForRescanOption());␊ |
527 | ␉␉}␊ |
528 | ␉}␊ |
529 | ␉␊ |
530 | #if DEBUG␊ |
531 | printf(" Default: %p, ->biosdev: %d, ->part_no: %d ->flags: %d\n", ((BVRef)(uint32_t)get_env(envgBootVolume)), ((BVRef)(uint32_t)get_env(envgBootVolume))->biosdev, ((BVRef)(uint32_t)get_env(envgBootVolume))->part_no, ((BVRef)(uint32_t)get_env(envgBootVolume))->flags);␊ |
532 | printf(" bt(0,0): %p, ->biosdev: %d, ->part_no: %d ->flags: %d\n", ((BVRef)(uint32_t)get_env(envgBIOSBootVolume)), ((BVRef)(uint32_t)get_env(envgBIOSBootVolume))->biosdev, ((BVRef)(uint32_t)get_env(envgBIOSBootVolume))->part_no, ((BVRef)(uint32_t)get_env(envgBIOSBootVolume))->flags);␊ |
533 | getc();␊ |
534 | #endif␊ |
535 | ␊ |
536 | setBootGlobals(bvChain);␊ |
537 | ␉␊ |
538 | ␉// Display the GUI␊ |
539 | ␉execute_hook("GUI_Display", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
540 | ␊ |
541 | // Parse args, load and start kernel.␊ |
542 | while (1) {␊ |
543 | const char *val;␊ |
544 | int len;␊ |
545 | ␉␉char *bootFile;␊ |
546 | ␉␉bool trycache = true; // Always try to catch the kernelcache first␊ |
547 | ␉␉␊ |
548 | long flags;␊ |
549 | #ifdef BOOT_HELPER_SUPPORT␊ |
550 | ␉␉long time;␊ |
551 | #endif␊ |
552 | int ret = -1;␊ |
553 | void *binary = (void *)kLoadAddr;␊ |
554 | ␊ |
555 | // additional variable for testing alternate kernel image locations on boot helper partitions.␊ |
556 | char bootFileSpec[512];␊ |
557 | ␉␉␊ |
558 | // Initialize globals.␊ |
559 | safe_set_env(envSysConfigValid, false);␊ |
560 | ␉␉␊ |
561 | status = getBootOptions(firstRun);␊ |
562 | firstRun = false;␊ |
563 | if (status == -1) continue;␊ |
564 | ␉␉␊ |
565 | status = processBootOptions();␊ |
566 | #ifndef NO_MULTIBOOT_SUPPORT␊ |
567 | // Status==1 means to chainboot␊ |
568 | if ( status == 1 ) break;␊ |
569 | #endif␊ |
570 | // Status==-1 means that the config file couldn't be loaded or that gBootVolume is NULL␊ |
571 | if ( status == -1 )␊ |
572 | {␊ |
573 | ␉␉␉// gBootVolume == NULL usually means the user hit escape.␊ |
574 | ␉␉␉if(((BVRef)(uint32_t)get_env(envgBootVolume)) == NULL)␊ |
575 | ␉␉␉{␊ |
576 | ␉␉␉␉freeFilteredBVChain(bvChain);␊ |
577 | ␊ |
578 | ␉␉␉␉if (get_env(envgEnableCDROMRescan))␊ |
579 | ␉␉␉␉␉rescanBIOSDevice((int)get_env(envgBIOSDev));␊ |
580 | ␉␉␉␉␊ |
581 | ␉␉␉␉bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &devcnt);␊ |
582 | safe_set_env(envgDeviceCount,devcnt);␊ |
583 | ␊ |
584 | ␉␉␉␉setBootGlobals(bvChain);␊ |
585 | ␉␉␉}␊ |
586 | ␉␉␉continue;␊ |
587 | }␊ |
588 | ␊ |
589 | // Other status (e.g. 0) means that we should proceed with boot.␊ |
590 | ␉␉execute_hook("GUI_PreBoot", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
591 | ␊ |
592 | ␉␉if (getValueForKey(karch, &val, &len, DEFAULT_BOOT_CONFIG) && val)␊ |
593 | ␉␉{␊ |
594 | ␉␉␉if (strncmp(val, "x86_64", 4) == 0)␊ |
595 | ␉␉␉{␊ |
596 | ␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_X86_64);␊ |
597 | ␊ |
598 | ␉␉␉}␊ |
599 | ␉␉␉else if (strncmp(val, "i386", 4) == 0)␊ |
600 | ␉␉␉{␊ |
601 | ␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
602 | ␊ |
603 | ␉␉␉}␊ |
604 | ␉␉␉else␊ |
605 | ␉␉␉{␊ |
606 | ␉␉␉␉DBG("Incorrect parameter for option 'arch =' , please use x86_64 or i386\n");␊ |
607 | ␉␉␉␉determineCpuArch();␊ |
608 | ␉␉␉}␊ |
609 | ␊ |
610 | ␉␉}␊ |
611 | ␉␉else determineCpuArch();␊ |
612 | ␊ |
613 | ␊ |
614 | ␉␉getRootDevice();␊ |
615 | ␊ |
616 | ␉␉// Notify to all modules that we are attempting to boot␊ |
617 | ␉␉execute_hook("PreBoot", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
618 | ␉␉␊ |
619 | ␉␉if (execute_hook("getProductNamePatched", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)␊ |
620 | ␉␉␉readSMBIOS(thePlatformName); // read smbios Platform Name␊ |
621 | ␉␉␊ |
622 | ␉␉␊ |
623 | ␉␉if (((get_env(envgBootMode) & kBootModeSafe) == 0) &&␊ |
624 | ␉␉␉!get_env(envgOverrideKernel) &&␊ |
625 | ␉␉␉(get_env(envgBootFileType) == kBlockDeviceType) &&␊ |
626 | ␉␉␉(gMKextName[0] == '\0') &&␊ |
627 | ␉␉␉!getValueForBootKey(bootArgs->CommandLine, kIgnorePrelinkKern, &val, &len))␊ |
628 | ␉␉{␊ |
629 | ␉␉␉getBoolForKey(kUseKernelCache, &trycache, DEFAULT_BOOT_CONFIG);␊ |
630 | ␉␉␉if (trycache == true)␊ |
631 | ␉␉␉{␊ |
632 | ␉␉␉␉// try to find the cache and fill the gBootKernelCacheFile string␊ |
633 | ␉␉␉␉getKernelCachePath();␊ |
634 | ␉␉␉␉␊ |
635 | ␉␉␉␉// Check for cache file␊ |
636 | ␉␉␉␉trycache = (gBootKernelCacheFile[0] != '\0') ? true : false; // if gBootKernelCacheFile is filled et bla bla bla.... :-)␊ |
637 | ␉␉␉}␊ |
638 | ␉␉␉␊ |
639 | ␉␉}␊ |
640 | ␉␉else␊ |
641 | ␉␉{␊ |
642 | ␉␉␉trycache = false;␊ |
643 | ␉␉}␊ |
644 | ␊ |
645 | ␉␉verbose("Loading Darwin %s\n", ((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion);␊ |
646 | ␉␉{␊ |
647 | ␉␉␉long cachetime, kerneltime = 0, exttime;␊ |
648 | ␉␉␉if (trycache && !forcecache) do {␊ |
649 | ␉␉␉␉␊ |
650 | if (strncmp(bootInfo->bootFile, kDefaultKernel,sizeof(kDefaultKernel)) != 0) {␊ |
651 | // if we haven't found the kernel yet, don't use the cache␊ |
652 | ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);␊ |
653 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
654 | {␊ |
655 | trycache = false;␊ |
656 | safe_set_env(envAdler32, 0);␊ |
657 | DBG("No kernel found, kernelcache disabled !!!\n");␊ |
658 | break;␊ |
659 | }␊ |
660 | }␊ |
661 | else if (((BVRef)(uint32_t)get_env(envgBootVolume))->kernelfound != true) // Should never happen.␊ |
662 | {␊ |
663 | bootFile = kDefaultKernel;␊ |
664 | goto out;␊ |
665 | }␊ |
666 | ␊ |
667 | ␉␉␉␉ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
668 | ␉␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
669 | ␉␉␉␉␉|| (cachetime < kerneltime))␊ |
670 | ␉␉␉␉{␊ |
671 | ␉␉␉␉␉trycache = false;␊ |
672 | ␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
673 | ␉␉␉␉␉DBG("Warning: No kernelcache found or kernelcache too old (timestamp of the kernel > timestamp of the cache), kernelcache disabled !!!\n");␊ |
674 | ␊ |
675 | ␉␉␉␉␉break;␊ |
676 | ␉␉␉␉}␊ |
677 | ␉␉␉␉ret = GetFileInfo("/System/Library/", "Extensions", &flags, &exttime);␊ |
678 | ␉␉␉␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)␊ |
679 | ␉␉␉␉␉&& (cachetime < exttime))␊ |
680 | ␉␉␉␉{␊ |
681 | ␉␉␉␉␉trycache = false;␊ |
682 | ␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
683 | ␉␉␉␉␉DBG("Warning: kernelcache too old, timestamp of S/L/E > timestamp of the cache, kernelcache disabled !!! \n");␊ |
684 | ␊ |
685 | ␉␉␉␉␉break;␊ |
686 | ␉␉␉␉}␊ |
687 | ␉␉␉␉if (kerneltime > exttime)␊ |
688 | ␉␉␉␉{␊ |
689 | ␉␉␉␉␉exttime = kerneltime;␊ |
690 | ␉␉␉␉}␊ |
691 | ␉␉␉␉if (cachetime != (exttime + 1))␊ |
692 | ␉␉␉␉{␊ |
693 | ␉␉␉␉␉trycache = false;␊ |
694 | ␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
695 | ␉␉␉␉␉DBG("Warning: invalid timestamp, kernelcache disabled !!!\n");␊ |
696 | ␊ |
697 | ␉␉␉␉␉break;␊ |
698 | ␉␉␉␉}␊ |
699 | ␉␉␉} while (0);␊ |
700 | ␉␉}␊ |
701 | ␉␉␊ |
702 | do {␊ |
703 | if (trycache == true || forcecache == true)␊ |
704 | ␉␉␉{␊ |
705 | bootFile = gBootKernelCacheFile;␊ |
706 | verbose("Loading kernel cache %s\n", bootFile);␊ |
707 | ␉␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] > '6')␊ |
708 | ␉␉␉␉{␊ |
709 | ␉␉␉␉␉ret = LoadThinFatFile(bootFile, &binary);␊ |
710 | ␉␉␉␉␉if ((ret <= 0) && (get_env(envarchCpuType) == CPU_TYPE_X86_64))␊ |
711 | ␉␉␉␉␉{␊ |
712 | ␉␉␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
713 | ␉␉␉␉␉␉ret = LoadThinFatFile(bootFile, &binary);␊ |
714 | ␉␉␉␉␉}␊ |
715 | ␉␉␉␉}␊ |
716 | ␉␉␉␉else␊ |
717 | ␉␉␉␉{␊ |
718 | ␉␉␉␉␉ret = LoadFile(bootFile);␊ |
719 | ␉␉␉␉␉binary = (void *)kLoadAddr;␊ |
720 | ␉␉␉␉}␊ |
721 | ␉␉␉␉␊ |
722 | if (ret >= 0)␊ |
723 | ␉␉␉␉{␉␉␉␉␉␊ |
724 | break;␊ |
725 | }␊ |
726 | ␉␉␉␉␊ |
727 | }␊ |
728 | ␉␉␉safe_set_env(envAdler32, 0);␊ |
729 | bootFile = bootInfo->bootFile;␊ |
730 | #ifdef BOOT_HELPER_SUPPORT␊ |
731 | ␉␉␉␊ |
732 | // Try to load kernel image from alternate locations on boot helper partitions.␊ |
733 | snprintf(bootFileSpec, sizeof(bootFileSpec),"com.apple.boot.P/%s", bootFile);␊ |
734 | ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);␊ |
735 | ␉ ␉ if (ret == -1)␊ |
736 | ␉ ␉ {␊ |
737 | ␉␉␉␉snprintf(bootFileSpec, sizeof(bootFileSpec), "com.apple.boot.R/%s", bootFile);␊ |
738 | ␉␉␉␉ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);␊ |
739 | ␉␉␉␉if (ret == -1)␊ |
740 | ␉␉␉␉{␊ |
741 | ␉␉␉␉␉snprintf(bootFileSpec, sizeof(bootFileSpec), "com.apple.boot.S/%s", bootFile);␊ |
742 | ␉␉␉␉␉ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);␊ |
743 | ␉␉␉␉␉if (ret == -1)␊ |
744 | ␉␉␉␉␉{␊ |
745 | ␉␉␉␉␉␉// Not found any alternate locations, using the original kernel image path.␊ |
746 | ␉␉␉␉␉␉strlcpy(bootFileSpec, bootFile,sizeof(bootFileSpec));␊ |
747 | ␉␉␉␉␉}␊ |
748 | ␉␉␉␉}␊ |
749 | }␊ |
750 | #else␊ |
751 | ␉␉␉strlcpy(bootFileSpec, bootFile,sizeof(bootFileSpec));␊ |
752 | #endif␊ |
753 | ␉␉␉␊ |
754 | verbose("Loading kernel %s\n", bootFileSpec);␊ |
755 | ret = LoadThinFatFile(bootFileSpec, &binary);␊ |
756 | if ((ret <= 0) && (get_env(envarchCpuType) == CPU_TYPE_X86_64))␊ |
757 | {␊ |
758 | ␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
759 | ␉␉␉␉ret = LoadThinFatFile(bootFileSpec, &binary);␊ |
760 | }␊ |
761 | ␉␉␉␊ |
762 | } while (0);␊ |
763 | ␉␉␊ |
764 | #if DEBUG␊ |
765 | printf("Pausing...");␊ |
766 | sleep(8);␊ |
767 | #endif␊ |
768 | ␉␉␊ |
769 | if (ret <= 0)␊ |
770 | ␉␉{␊ |
771 | out:␊ |
772 | ␉␉␉printf("Can't find %s\n", bootFile);␊ |
773 | ␉␉␉␊ |
774 | ␉␉␉sleep(1);␊ |
775 | #ifdef NBP_SUPPORT␊ |
776 | if (get_env(envgBootFileType) == kNetworkDeviceType)␊ |
777 | ␉␉␉{␊ |
778 | // Return control back to PXE. Don't unload PXE base code.␊ |
779 | gUnloadPXEOnExit = false;␊ |
780 | break;␊ |
781 | }␊ |
782 | #endif␊ |
783 | }␊ |
784 | ␉␉else␊ |
785 | ␉␉{␉␉␉␊ |
786 | /* Won't return if successful. */␊ |
787 | if ( ExecKernel(binary))␊ |
788 | {␊ |
789 | firstRun = true;␊ |
790 | continue;␊ |
791 | }␊ |
792 | }␊ |
793 | }␊ |
794 | ␉␊ |
795 | #ifndef NO_MULTIBOOT_SUPPORT␊ |
796 | // chainboot␊ |
797 | if (status==1)␊ |
798 | ␉{␊ |
799 | ␉␉if (getVideoMode() == GRAPHICS_MODE)␊ |
800 | ␉␉{␉// if we are already in graphics-mode,␊ |
801 | ␊ |
802 | ␉␉␉__setVideoMode(VGA_TEXT_MODE);␉// switch back to text mode␊ |
803 | ␊ |
804 | ␉␉}␊ |
805 | }␊ |
806 | #else␊ |
807 | ␉printf("No proper Darwin Partition found, reseting ... \n");␊ |
808 | ␉pause();␊ |
809 | ␉common_boot(biosdev);␊ |
810 | #endif␊ |
811 | ␉␊ |
812 | #ifdef NBP_SUPPORT␊ |
813 | if ((get_env(envgBootFileType) == kNetworkDeviceType) && gUnloadPXEOnExit)␊ |
814 | ␉{␊ |
815 | ␉␉nbpUnloadBaseCode();␊ |
816 | }␊ |
817 | #endif␊ |
818 | }␊ |
819 | ␊ |
820 | static void determineCpuArch(void)␊ |
821 | {␉␊ |
822 | ␉safe_set_env(envarchCpuType, cpu_mode_is64bit() ? CPU_TYPE_X86_64 : CPU_TYPE_I386);␊ |
823 | }␊ |
824 | ␊ |
825 | void getKernelCachePath(void)␊ |
826 | {␊ |
827 | ␉{␊ |
828 | ␉␉// If there is an extra kext/mkext, we return immediatly and we skip the kernelCache␊ |
829 | ␉␉// since kexts/mkexts are not loaded properly when the kernelCache is used.␊ |
830 | ␉␉// Another method would be to re-build the kernelCache one the fly␊ |
831 | ␉␉if (found_extra_kext() == true) return;␊ |
832 | ␉}␊ |
833 | ␉␊ |
834 | ␉{␊ |
835 | ␉␉const char *val;␊ |
836 | ␉␉int len;␊ |
837 | ␉␉unsigned long Adler32 = 0;␊ |
838 | ␉␉␊ |
839 | ␉␉if (getValueForKey(kKernelCacheKey, &val, &len, DEFAULT_BOOT_CONFIG))␊ |
840 | ␉␉{␊ |
841 | char * buffer = newString(val);␊ |
842 | ␊ |
843 | ␉␉␉if (val[0] == '\\')␊ |
844 | ␉␉␉{␊ |
845 | ␉␉␉␉// Flip the back slash's to slash's .␊ |
846 | len = 0;␊ |
847 | while (buffer[len] != '\0') {␊ |
848 | if (buffer[len] == '\\')␊ |
849 | {␊ |
850 | buffer[len] = '/';␊ |
851 | }␊ |
852 | len++;␊ |
853 | }␊ |
854 | ␉␉␉}␊ |
855 | ␉␉␉strlcpy(gBootKernelCacheFile, buffer, sizeof(gBootKernelCacheFile));␊ |
856 | forcecache = true;␊ |
857 | ␉␉}␊ |
858 | ␉␉else␊ |
859 | ␉␉{␊ |
860 | ␉␉␉if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] > '6')␊ |
861 | ␉␉␉{␊ |
862 | ␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s", kDefaultCachePath);␊ |
863 | ␉␉␉}␊ |
864 | ␉␉␉else if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6')␊ |
865 | ␉␉␉{␊ |
866 | ␉␉␉␉␊ |
867 | ␉␉␉␉PlatformInfo *platformInfo = malloc(sizeof(PlatformInfo));␊ |
868 | ␉␉␉␉if (platformInfo)␊ |
869 | ␉␉␉␉{␊ |
870 | ␉␉␉␉␉␊ |
871 | ␉␉␉␉␉bzero(platformInfo, sizeof(PlatformInfo));␊ |
872 | ␉␉␉␉␉␊ |
873 | ␉␉␉␉␉if (GetgPlatformName())␊ |
874 | ␉␉␉␉␉␉strlcpy(platformInfo->platformName,GetgPlatformName(), sizeof(platformInfo->platformName)+1);␊ |
875 | ␉␉␉␉␉␊ |
876 | ␉␉␉␉␉if (GetgRootDevice())␊ |
877 | ␉␉␉␉␉{␊ |
878 | ␉␉␉␉␉␉char *rootPath_p = platformInfo->rootPath;␊ |
879 | ␉␉␉␉␉␉len = strlen(GetgRootDevice()) + 1;␊ |
880 | ␉␉␉␉␉␉if ((unsigned)len > sizeof(platformInfo->rootPath))␊ |
881 | ␉␉␉␉␉␉{␊ |
882 | ␉␉␉␉␉␉␉len = sizeof(platformInfo->rootPath);␊ |
883 | ␉␉␉␉␉␉}␊ |
884 | ␉␉␉␉␉␉memcpy(rootPath_p, GetgRootDevice(),len);␊ |
885 | ␉␉␉␉␉␉␊ |
886 | ␉␉␉␉␉␉rootPath_p += len;␊ |
887 | ␉␉␉␉␉␉␊ |
888 | ␉␉␉␉␉␉len = strlen(bootInfo->bootFile);␊ |
889 | ␉␉␉␉␉␉␊ |
890 | ␉␉␉␉␉␉if ((unsigned)(rootPath_p - platformInfo->rootPath + len) >=␊ |
891 | ␉␉␉␉␉␉␉sizeof(platformInfo->rootPath))␊ |
892 | ␉␉␉␉␉␉{␊ |
893 | ␉␉␉␉␉␉␉␊ |
894 | ␉␉␉␉␉␉␉len = sizeof(platformInfo->rootPath) -␊ |
895 | ␉␉␉␉␉␉␉(rootPath_p - platformInfo->rootPath);␊ |
896 | ␉␉␉␉␉␉}␊ |
897 | ␉␉␉␉␉␉memcpy(rootPath_p, bootInfo->bootFile, len);␊ |
898 | ␉␉␉␉␉␉␊ |
899 | ␉␉␉␉␉}␊ |
900 | ␉␉␉␉␉␊ |
901 | ␉␉␉␉␉if (!platformInfo->platformName[0] || !platformInfo->rootPath[0])␊ |
902 | ␉␉␉␉␉{␊ |
903 | ␉␉␉␉␉␉platformInfo->platformName[0] = platformInfo->rootPath[0] = 0;␊ |
904 | ␉␉␉␉␉}␊ |
905 | #ifdef rootpath␊ |
906 | SetgRootPath(platformInfo->rootPath);␊ |
907 | #endif␊ |
908 | ␉␉␉␉␉␊ |
909 | ␉␉␉␉␉Adler32 = OSSwapHostToBigInt32(local_adler32((unsigned char *)platformInfo, sizeof(PlatformInfo)));␊ |
910 | ␉␉␉␉␉safe_set_env(envAdler32, Adler32);␊ |
911 | ␉␉␉␉␉␊ |
912 | ␉␉␉␉␉free(platformInfo);␊ |
913 | ␉␉␉␉}␊ |
914 | ␉␉␉␉␊ |
915 | ␉␉␉␉DBG("Adler32: %08lX\n",Adler32);␊ |
916 | ␉␉␉␉␊ |
917 | ␉␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] < '6')␊ |
918 | ␉␉␉␉{␊ |
919 | ␉␉␉␉␉long flags, cachetime;␊ |
920 | ␉␉␉␉␉int ret = -1;␊ |
921 | ␉␉␉␉␉␊ |
922 | ␉␉␉␉␉if (Adler32) {␊ |
923 | ␉␉␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s.%08lX", "/System/Library/Caches/com.apple.kernelcaches/kernelcache",Adler32);␊ |
924 | ␉␉␉␉␉␉ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
925 | ␉␉␉␉␉}␊ |
926 | ␉␉␉␉␉␊ |
927 | ␉␉␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
928 | ␉␉␉␉␉{␊ |
929 | ␉␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
930 | ␉␉␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s", "/System/Library/Caches/com.apple.kernelcaches/kernelcache");␊ |
931 | ␉␉␉␉␉}␊ |
932 | ␉␉␉␉␉␊ |
933 | ␉␉␉␉} else if (Adler32)␊ |
934 | ␉␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s_%s.%08lX", kDefaultCachePath, (get_env(envarchCpuType) == CPU_TYPE_I386) ? "i386" : "x86_64", Adler32); //Snow Leopard␊ |
935 | ␉␉␉␉␊ |
936 | ␉␉␉}␊ |
937 | ␉␉}␊ |
938 | ␉}␊ |
939 | }␊ |
940 | ␊ |
941 | static void getRootDevice(void)␊ |
942 | {␊ |
943 | ␉// Maximum config table value size␊ |
944 | #define VALUE_SIZE 2048␊ |
945 | ␉bool uuidSet = false;␊ |
946 | ␉const char *val = 0;␊ |
947 | int cnt = 0;␊ |
948 | ␉␊ |
949 | ␉if (getValueForKey(kBootUUIDKey, &val, &cnt, DEFAULT_BOOT_CONFIG))␊ |
950 | ␉{␊ |
951 | ␉␉uuidSet = true;␊ |
952 | ␉}␊ |
953 | ␉else␊ |
954 | ␉{␊ |
955 | ␉␉if (getValueForBootKey(bootArgs->CommandLine, kRootDeviceKey, &val, &cnt))␊ |
956 | ␉␉{␊ |
957 | ␉␉␉if (*val == '*' && *(val + 1) != '/' && *(val + 1) != 'u')␊ |
958 | ␉␉␉{␊ |
959 | ␉␉␉␉val += 1; //skip the *␊ |
960 | ␉␉␉␉uuidSet = true;␊ |
961 | ␉␉␉␉␊ |
962 | ␉␉␉}␊ |
963 | ␉␉␉else if (*val == '*' && *(val + 1) == 'u')␊ |
964 | ␉␉␉{␊ |
965 | ␉␉␉␉␊ |
966 | ␉␉␉␉if ( getValueForKey( kBootDeviceKey, &val, &cnt, DEFAULT_BOOT_CONFIG))␊ |
967 | ␉␉␉␉␉uuidSet = true;␊ |
968 | ␉␉␉␉␊ |
969 | ␉␉␉}␊ |
970 | ␉␉}␊ |
971 | ␉␉else␊ |
972 | ␉␉{␊ |
973 | #ifdef BOOT_HELPER_SUPPORT␊ |
974 | ␉␉␉//␊ |
975 | ␉␉␉// Try an alternate method for getting the root UUID on boot helper partitions.␊ |
976 | ␉␉␉//␊ |
977 | ␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->flags & kBVFlagBooter)␊ |
978 | ␉␉␉{␊ |
979 | ␉␉␉␉if((loadHelperConfig() == 0)␊ |
980 | ␉␉␉␉ && getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )␊ |
981 | ␉␉␉␉{␊ |
982 | ␉␉␉␉␉getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);␊ |
983 | ␉␉␉␉␉uuidSet = true;␊ |
984 | ␉␉␉␉␉goto out;␊ |
985 | ␉␉␉␉}␊ |
986 | ␉␉␉}␊ |
987 | #endif␊ |
988 | ␉␉␉if ( getValueForKey( kBootDeviceKey, &val, &cnt, DEFAULT_BOOT_CONFIG))␊ |
989 | ␉␉␉{␊ |
990 | ␉␉␉␉int ArgCntRemaining = (int)get_env(envArgCntRemaining);␊ |
991 | ␉␉␉␉uuidSet = false;␊ |
992 | ␉␉␉␉char * valueBuffer;␊ |
993 | ␉␉␉␉valueBuffer = calloc(VALUE_SIZE,sizeof(char));␊ |
994 | if (!valueBuffer) {␊ |
995 | return;␊ |
996 | }␊ |
997 | ␉␉␉␉char * argP = bootArgs->CommandLine;␊ |
998 | ␉␉␉␉valueBuffer[0] = '*';␊ |
999 | ␉␉␉␉if (cnt > VALUE_SIZE)␊ |
1000 | ␉␉␉␉{␊ |
1001 | ␉␉␉␉␉cnt = VALUE_SIZE;␊ |
1002 | ␉␉␉␉}␊ |
1003 | ␉␉␉␉strlcpy(valueBuffer + 1, val, cnt+1);␊ |
1004 | ␉␉␉␉if (!copyArgument( kRootDeviceKey, valueBuffer, cnt, &argP, &ArgCntRemaining))␊ |
1005 | ␉␉␉␉{␊ |
1006 | ␉␉␉␉␉free(valueBuffer);␊ |
1007 | ␉␉␉␉␉printf("Error: boot arguments too long, unable to set root device !!");␊ |
1008 | ␉␉␉␉␉getc();␊ |
1009 | ␉␉␉␉␉return;␊ |
1010 | ␉␉␉␉}␊ |
1011 | safe_set_env(envArgCntRemaining,ArgCntRemaining);␊ |
1012 | ␉␉␉␉free(valueBuffer);␊ |
1013 | ␉␉␉␉goto out;␊ |
1014 | ␉␉␉}␊ |
1015 | ␉␉␉␊ |
1016 | ␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->fs_getuuid && (((BVRef)(uint32_t)get_env(envgBootVolume))->fs_getuuid (((BVRef)(uint32_t)get_env(envgBootVolume)), bootInfo->uuidStr, sizeof(bootInfo->uuidStr)) == 0))␊ |
1017 | ␉␉␉{␊ |
1018 | ␉␉␉␉verbose("Setting boot-uuid to: %s\n", bootInfo->uuidStr);␊ |
1019 | ␉␉␉␉//uuidSet = true;␊ |
1020 | ␉␉␉␉SetgRootDevice(bootInfo->uuidStr);␊ |
1021 | ␉␉␉␉return;␊ |
1022 | ␉␉␉}␊ |
1023 | ␊ |
1024 | ␉␉}␊ |
1025 | ␉}␊ |
1026 | ␊ |
1027 | out:␊ |
1028 | ␉verbose("Setting %s to: %s\n", uuidSet ? kBootUUIDKey : "root device", (char* )val);␊ |
1029 | SetgRootDevice(val);␊ |
1030 | }␊ |
1031 | ␊ |
1032 | static bool find_file_with_ext(const char* dir, const char *ext, const char * name_to_compare, size_t ext_size)␊ |
1033 | {␊ |
1034 | long ret, length, flags, time;␊ |
1035 | long long␉ index;␊ |
1036 | const char * name;␊ |
1037 | ␊ |
1038 | ␉DBG("FileLoadBundles in %s\n",dirSpec);␊ |
1039 | ␊ |
1040 | index = 0;␊ |
1041 | while (1) {␊ |
1042 | ret = GetDirEntry(dir, &index, &name, &flags, &time);␊ |
1043 | if (ret == -1) break;␊ |
1044 | ␉␉␊ |
1045 | // Make sure this is not a directory.␊ |
1046 | if ((flags & kFileTypeMask) != kFileTypeFlat) continue;␊ |
1047 | ␊ |
1048 | // Make sure this is a kext or mkext.␊ |
1049 | length = strlen(name);␊ |
1050 | if (strncmp(name + length - ext_size, ext, ext_size)) continue;␊ |
1051 | ␉␉␊ |
1052 | if (name_to_compare)␊ |
1053 | {␊ |
1054 | if (strcmp(name, name_to_compare) == 0)␊ |
1055 | {␊ |
1056 | DBG("found : %s\n", name);␊ |
1057 | return true;␊ |
1058 | }␊ |
1059 | }␊ |
1060 | else␊ |
1061 | {␊ |
1062 | DBG("found : %s\n", name);␊ |
1063 | return true;␊ |
1064 | }␊ |
1065 | ␉␉␊ |
1066 | }␊ |
1067 | ␉return false;␊ |
1068 | }␊ |
1069 | ␊ |
1070 | // If a kext is found in /Extra/Extentions return true␊ |
1071 | // If a mkext is found in /Extra return true␊ |
1072 | // Otherwise return false␊ |
1073 | // Tips (if you still want to use extra kext(s)/mkext(s) ):␊ |
1074 | // With Lion and earlier, the default boot cache is a kernelcache, no mkext is created anymore by kextd automaticaly (kextd still update the existing mkexts),␊ |
1075 | // so it's recommended to create a system mkext by yourself to decrease boot time (see the kextcache commandline)␊ |
1076 | static bool found_extra_kext(void)␊ |
1077 | {␊ |
1078 | #define EXTENSIONS "Extensions"␊ |
1079 | #define MKEXT_EXT ".mkext"␊ |
1080 | #define MKEXT_EXT_SIZE strlen(MKEXT_EXT)␊ |
1081 | #define KEXT_EXT ".kext"␊ |
1082 | #define KEXT_EXT_SIZE strlen(KEXT_EXT)␊ |
1083 | ␉␊ |
1084 | ␉long flags;␊ |
1085 | ␉long exttime;␊ |
1086 | ␉int ret = -1;␊ |
1087 | ␉␊ |
1088 | ␉ret = GetFileInfo("rd(0,0)/Extra/", EXTENSIONS, &flags, &exttime);␊ |
1089 | ␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeFlat))␊ |
1090 | ␉{␊ |
1091 | ␉␉if (((flags & kFileTypeMask) == kFileTypeFlat))␊ |
1092 | ␉␉{␊ |
1093 | ␉␉␉if (find_file_with_ext("rd(0,0)/Extra/", MKEXT_EXT, EXTENSIONS, MKEXT_EXT_SIZE))␊ |
1094 | ␉␉␉{␊ |
1095 | ␉␉␉␉return true;␊ |
1096 | ␉␉␉}␊ |
1097 | ␉␉}␊ |
1098 | ␉␉else if (((flags & kFileTypeMask) == kFileTypeDirectory))␊ |
1099 | ␉␉{␊ |
1100 | ␉␉␉if (find_file_with_ext("rd(0,0)/Extra/Extensions/", KEXT_EXT, NULL, KEXT_EXT_SIZE))␊ |
1101 | ␉␉␉{␊ |
1102 | ␉␉␉␉return true;␊ |
1103 | ␉␉␉}␊ |
1104 | ␉␉}␊ |
1105 | ␉}␊ |
1106 | ␉ret = GetFileInfo("/Extra/", EXTENSIONS, &flags, &exttime);␊ |
1107 | ␉if (ret == 0)␊ |
1108 | ␉{␊ |
1109 | ␉␉if (((flags & kFileTypeMask) == kFileTypeFlat))␊ |
1110 | ␉␉{␊ |
1111 | ␉␉␉if (find_file_with_ext("/Extra/", MKEXT_EXT, EXTENSIONS, MKEXT_EXT_SIZE))␊ |
1112 | ␉␉␉{␊ |
1113 | ␉␉␉␉return true;␊ |
1114 | ␉␉␉}␊ |
1115 | ␉␉}␊ |
1116 | ␉␉else if (((flags & kFileTypeMask) == kFileTypeDirectory))␊ |
1117 | ␉␉{␊ |
1118 | ␉␉␉if (find_file_with_ext("/Extra/Extensions/", KEXT_EXT, NULL, KEXT_EXT_SIZE))␊ |
1119 | ␉␉␉{␊ |
1120 | ␉␉␉␉return true;␊ |
1121 | ␉␉␉}␊ |
1122 | ␉␉}␊ |
1123 | ␉}␊ |
1124 | ␉ret = GetFileInfo("bt(0,0)/Extra/", EXTENSIONS, &flags, &exttime);␊ |
1125 | ␉if (ret == 0)␊ |
1126 | ␉{␊ |
1127 | ␉␉if (((flags & kFileTypeMask) == kFileTypeFlat))␊ |
1128 | ␉␉{␊ |
1129 | ␉␉␉if (find_file_with_ext("bt(0,0)/Extra/", MKEXT_EXT, EXTENSIONS, MKEXT_EXT_SIZE))␊ |
1130 | ␉␉␉{␊ |
1131 | ␉␉␉␉return true;␊ |
1132 | ␉␉␉}␊ |
1133 | ␉␉}␊ |
1134 | ␉␉else if (((flags & kFileTypeMask) == kFileTypeDirectory))␊ |
1135 | ␉␉{␊ |
1136 | ␉␉␉if (find_file_with_ext("bt(0,0)/Extra/Extensions/", KEXT_EXT, NULL, KEXT_EXT_SIZE))␊ |
1137 | ␉␉␉{␊ |
1138 | ␉␉␉␉return true;␊ |
1139 | ␉␉␉}␊ |
1140 | ␉␉}␊ |
1141 | ␉}␊ |
1142 | ␉DBG("NO Extra Mkext/Kext found\n");␊ |
1143 | ␉␊ |
1144 | ␉// nothing found␊ |
1145 | ␉return false;␊ |
1146 | }␊ |
1147 | ␊ |
1148 | #if 0␊ |
1149 | static char *FIXED_BOOTFILE_PATH(char * str)␊ |
1150 | {␊ |
1151 | ␉char bootfile[128];␊ |
1152 | ␉␊ |
1153 | ␉bool bootFileWithDevice = false;␊ |
1154 | ␉// Check if bootFile start with a device ex: bt(0,0)/Extra/mach_kernel␊ |
1155 | ␉if (strncmp(str,"bt(",3) == 0 ||␊ |
1156 | ␉␉strncmp(str,"hd(",3) == 0 ||␊ |
1157 | ␉␉strncmp(str,"rd(",3) == 0)␊ |
1158 | ␉{␊ |
1159 | ␉␉bootFileWithDevice = true;␊ |
1160 | ␉}␊ |
1161 | ␊ |
1162 | ␉// bootFile must start with a / if it not start with a device name␊ |
1163 | ␉if (!bootFileWithDevice && (str)[0] != '/')␊ |
1164 | ␉␉snprintf(bootFile, sizeof(bootfile), "/%s", str); // append a leading /␊ |
1165 | ␉else␊ |
1166 | ␉␉strlcpy(bootFile, bootInfo->bootFile, sizeof(bootFile));␊ |
1167 | ␉␊ |
1168 | ␉return bootfile;␊ |
1169 | }␊ |
1170 | #endif␊ |
1171 | |