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 "acpi_patcher.h"␊ |
57 | #include "sl.h"␊ |
58 | #include "libsa.h"␊ |
59 | #include "ramdisk.h"␊ |
60 | #include "platform.h"␊ |
61 | #include "graphics.h"␊ |
62 | #include "pci.h"␊ |
63 | ␊ |
64 | #include "modules.h"␊ |
65 | ␊ |
66 | #define DEBUG 0␊ |
67 | ␊ |
68 | long gBootMode; /* defaults to 0 == kBootModeNormal */␊ |
69 | bool gOverrideKernel;␊ |
70 | static char gBootKernelCacheFile[512];␊ |
71 | static char gCacheNameAdler[64 + 256];␊ |
72 | char *gPlatformName = gCacheNameAdler;␊ |
73 | char gRootDevice[512];␊ |
74 | char gMKextName[512];␊ |
75 | char gMacOSVersion[8];␊ |
76 | void *gRootPCIDev;␊ |
77 | void *gPlatform;␊ |
78 | void *gBootOrder;␊ |
79 | void *gSMBIOS;␊ |
80 | int gDualLink;␊ |
81 | #ifndef OPTION_ROM␊ |
82 | bool gEnableCDROMRescan;␊ |
83 | bool gScanSingleDrive;␊ |
84 | #endif␊ |
85 | config_file_t systemVersion;␉␉// system.plist of booting partition␊ |
86 | ␊ |
87 | ␊ |
88 | int bvCount = 0;␊ |
89 | //int␉menucount = 0;␊ |
90 | int gDeviceCount = 0; ␊ |
91 | ␊ |
92 | BVRef bvr;␊ |
93 | BVRef menuBVR;␊ |
94 | BVRef bvChain;␊ |
95 | ␊ |
96 | //static void selectBiosDevice(void);␊ |
97 | //static unsigned long Adler32(unsigned char *buffer, long length);␊ |
98 | static bool getOSVersion(char *str);␊ |
99 | ␊ |
100 | #ifndef OPTION_ROM␊ |
101 | static bool gUnloadPXEOnExit = false;␊ |
102 | #endif␊ |
103 | ␊ |
104 | /*␊ |
105 | * How long to wait (in seconds) to load the␊ |
106 | * kernel after displaying the "boot:" prompt.␊ |
107 | */␊ |
108 | #define kBootErrorTimeout 5␊ |
109 | ␊ |
110 | /*␊ |
111 | * Default path to kernel cache file␊ |
112 | */␊ |
113 | //Slice - first one for Leopard␊ |
114 | #define kDefaultCachePath "/System/Library/Caches/com.apple.kernelcaches/"␊ |
115 | #define kDefaultCachePathSnow "/System/Library/Caches/com.apple.kext.caches/Startup/"␊ |
116 | ␊ |
117 | //==========================================================================␊ |
118 | // Zero the BSS.␊ |
119 | ␊ |
120 | static void zeroBSS(void)␊ |
121 | {␊ |
122 | ␉extern char _DATA__bss__begin, _DATA__bss__end;␊ |
123 | ␉extern char _DATA__common__begin, _DATA__common__end;␊ |
124 | ␉␊ |
125 | ␉bzero(&_DATA__bss__begin, (&_DATA__bss__end - &_DATA__bss__begin));␊ |
126 | ␉bzero(&_DATA__common__begin, (&_DATA__common__end - &_DATA__common__begin));␊ |
127 | }␊ |
128 | ␊ |
129 | //==========================================================================␊ |
130 | // Malloc error function␊ |
131 | ␊ |
132 | static void malloc_error(char *addr, size_t size, const char *file, int line)␊ |
133 | {␊ |
134 | ␉stop("\nMemory allocation error! Addr=0x%x, Size=0x%x, File=%s, Line=%d\n", (unsigned)addr, (unsigned)size, file, line);␊ |
135 | }␊ |
136 | ␊ |
137 | //==========================================================================␊ |
138 | //Initializes the runtime. Right now this means zeroing the BSS and initializing malloc.␊ |
139 | //␊ |
140 | void initialize_runtime(void)␊ |
141 | {␊ |
142 | ␉zeroBSS();␊ |
143 | ␉malloc_init(0, 0, 0, malloc_error);␊ |
144 | }␊ |
145 | ␊ |
146 | //==========================================================================␊ |
147 | // execKernel - Load the kernel image (mach-o) and jump to its entry point.␊ |
148 | ␊ |
149 | int ExecKernel(void *binary)␊ |
150 | {␊ |
151 | entry_t kernelEntry;␊ |
152 | int ret;␊ |
153 | ␉␊ |
154 | bootArgs->kaddr = bootArgs->ksize = 0;␊ |
155 | ␉execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL);␊ |
156 | ␊ |
157 | ret = DecodeKernel(binary,␊ |
158 | &kernelEntry,␊ |
159 | (char **) &bootArgs->kaddr,␊ |
160 | (int *)&bootArgs->ksize );␊ |
161 | ␊ |
162 | if ( ret != 0 )␊ |
163 | return ret;␊ |
164 | // Reserve space for boot args␊ |
165 | reserveKernBootStruct();␊ |
166 | ␉␊ |
167 | // Load boot drivers from the specifed root path.␊ |
168 | ␉execute_hook("DecodedKernel", (void*)binary, NULL, NULL, NULL);␊ |
169 | ␊ |
170 | ␉␊ |
171 | ␉setupFakeEfi();␊ |
172 | ␉␊ |
173 | if (!gHaveKernelCache) {␊ |
174 | ␉␉LoadDrivers("/");␊ |
175 | }␊ |
176 | ␉␊ |
177 | clearActivityIndicator();␊ |
178 | ␉␊ |
179 | if (gErrors) {␊ |
180 | msglog("Errors encountered while starting up the computer.\n");␊ |
181 | // printf("Pausing %d seconds...\n", kBootErrorTimeout);␊ |
182 | // sleep(kBootErrorTimeout);␊ |
183 | }␊ |
184 | ␉␊ |
185 | ␉md0Ramdisk();␊ |
186 | ␉␊ |
187 | verbose("Starting Darwin %s\n",( archCpuType == CPU_TYPE_I386 ) ? "i386" : "x86_64");␊ |
188 | #ifndef OPTION_ROM␊ |
189 | // Cleanup the PXE base code.␊ |
190 | ␉␊ |
191 | if ( (gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit ) {␊ |
192 | ␉␉if ( (ret = nbpUnloadBaseCode()) != nbpStatusSuccess )␊ |
193 | {␊ |
194 | ␉verbose("nbpUnloadBaseCode error %d\n", (int) ret);␊ |
195 | sleep(2);␊ |
196 | }␊ |
197 | }␊ |
198 | #endif ␊ |
199 | bool dummyVal;␊ |
200 | ␉if (getBoolForKey(kWaitForKeypressKey, &dummyVal, &bootInfo->bootConfig) && dummyVal)␊ |
201 | ␉{␊ |
202 | ␉␉printf("Press any key to continue...");␊ |
203 | ␉␉getc();␊ |
204 | ␉}␊ |
205 | ␉␉␊ |
206 | ␉execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL);␉// Notify modules that the kernel is about to be started␊ |
207 | ␊ |
208 | ␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊ |
209 | ␉{␊ |
210 | ␉␉setVideoMode( GRAPHICS_MODE, 0 );␊ |
211 | ␉␉// Draw gray screen. NOTE: no boot image, that's in the gui module␊ |
212 | #ifndef OPTION_ROM␊ |
213 | ␉␉if(!gVerboseMode) drawColorRectangle(0, 0, DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT, 0x01); //Slice -???␊ |
214 | #endif␊ |
215 | ␉}␊ |
216 | ␊ |
217 | ␉␊ |
218 | ␉setupBooterLog();␊ |
219 | ␉␊ |
220 | finalizeBootStruct();␊ |
221 | ␉␊ |
222 | ␉// Jump to kernel's entry point. There's no going back now.␊ |
223 | startprog( kernelEntry, bootArgs );␊ |
224 | ␉␊ |
225 | // Not reached␊ |
226 | ␉␊ |
227 | return 0;␊ |
228 | }␊ |
229 | ␊ |
230 | //==========================================================================␊ |
231 | // This is the entrypoint from real-mode which functions exactly as it did␊ |
232 | // before. Multiboot does its own runtime initialization, does some of its␊ |
233 | // own things, and then calls common_boot.␊ |
234 | void boot(int biosdev)␊ |
235 | {␊ |
236 | ␉initialize_runtime();␊ |
237 | ␉// Enable A20 gate before accessing memory above 1Mb.␊ |
238 | ␉enableA20();␊ |
239 | ␉common_boot(biosdev);␊ |
240 | }␊ |
241 | ␊ |
242 | //==========================================================================␊ |
243 | // The 'main' function for the booter. Called by boot0 when booting␊ |
244 | // from a block device, or by the network booter.␊ |
245 | //␊ |
246 | // arguments:␊ |
247 | // biosdev - Value passed from boot1/NBP to specify the device␊ |
248 | // that the booter was loaded from.␊ |
249 | //␊ |
250 | // If biosdev is kBIOSDevNetwork, then this function will return if␊ |
251 | // booting was unsuccessful. This allows the PXE firmware to try the␊ |
252 | // next boot device on its list.␊ |
253 | void common_boot(int biosdev)␊ |
254 | {␊ |
255 | int status;␊ |
256 | ␉int␉␉trycache;␊ |
257 | char *bootFile;␊ |
258 | unsigned long adler32;␊ |
259 | bool quiet;␊ |
260 | bool firstRun = true;␊ |
261 | bool instantMenu;␊ |
262 | #ifndef OPTION_ROM␊ |
263 | bool rescanPrompt;␊ |
264 | #endif␊ |
265 | unsigned int allowBVFlags = kBVFlagSystemVolume|kBVFlagForeignBoot;␊ |
266 | unsigned int denyBVFlags = kBVFlagEFISystem;␊ |
267 | ␉␊ |
268 | #ifndef OPTION_ROM␊ |
269 | // Set reminder to unload the PXE base code. Neglect to unload␊ |
270 | // the base code will result in a hang or kernel panic.␊ |
271 | gUnloadPXEOnExit = true;␊ |
272 | #endif␊ |
273 | ␉␊ |
274 | // Record the device that the booter was loaded from.␊ |
275 | gBIOSDev = biosdev & kBIOSDevMask; // 0xff␊ |
276 | ␉␊ |
277 | // Initialize boot info structure.␊ |
278 | initKernBootStruct();␊ |
279 | ␉␊ |
280 | ␉initBooterLog();␊ |
281 | ␉␊ |
282 | // Setup VGA text mode.␊ |
283 | // Not sure if it is safe to call setVideoMode() before the␊ |
284 | // config table has been loaded. Call video_mode() instead.␊ |
285 | video_mode( 2 ); // 80x25 mono text mode.␊ |
286 | ␉␊ |
287 | // Scan and record the system's hardware information.␊ |
288 | scan_platform();␊ |
289 | ␊ |
290 | // First get info for boot volume.␊ |
291 | scanBootVolumes(gBIOSDev, 0);␊ |
292 | bvChain = getBVChainForBIOSDev(gBIOSDev);␊ |
293 | ␉␊ |
294 | #if DEBUG␉␊ |
295 | printf("get bvChain dev=%02x type=%02x part_no=%d\n", bvChain->biosdev, bvChain->type, bvChain->part_no); //dev=0x80 - flash-stick␊ |
296 | //␉␉getc();␊ |
297 | #endif␊ |
298 | ␉␊ |
299 | setBootGlobals(bvChain);␊ |
300 | ␉␊ |
301 | // Load boot.plist config file␊ |
302 | status = loadSystemConfig(&bootInfo->bootConfig);␊ |
303 | ␊ |
304 | if (getBoolForKey(kQuietBootKey, &quiet, &bootInfo->bootConfig) && quiet) {␊ |
305 | gBootMode |= kBootModeQuiet;␊ |
306 | }␊ |
307 | ␉␊ |
308 | // Override firstRun to get to the boot menu instantly by setting "Instant Menu"=y in system config␊ |
309 | if (getBoolForKey(kInsantMenuKey, &instantMenu, &bootInfo->bootConfig) && instantMenu) {␊ |
310 | firstRun = false;␊ |
311 | }␊ |
312 | ␉␊ |
313 | #ifndef OPTION_ROM␊ |
314 | ␉// Enable touching a single BIOS device only if "Scan Single Drive"=y is set in system config.␊ |
315 | if (getBoolForKey(kScanSingleDriveKey, &gScanSingleDrive, &bootInfo->bootConfig) && gScanSingleDrive) {␊ |
316 | gScanSingleDrive = true;␊ |
317 | }␊ |
318 | ␉␊ |
319 | ␉// Create a list of partitions on device(s).␊ |
320 | if (gScanSingleDrive)␊ |
321 | ␉{␊ |
322 | ␉␉scanBootVolumes(gBIOSDev, &bvCount);␊ |
323 | } ␊ |
324 | ␉else ␊ |
325 | #endif␊ |
326 | ␉{␊ |
327 | ␉␉scanDisks(gBIOSDev, &bvCount);␊ |
328 | }␊ |
329 | ␉␊ |
330 | ␉// Create a separated bvr chain using the specified filters.␊ |
331 | bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &gDeviceCount);␊ |
332 | ␉gBootVolume = selectBootVolume(bvChain);␊ |
333 | ␉␊ |
334 | #if DEBUG␉␊ |
335 | printf("separated bvChain dev=%02x type=%02x part_no=%d\n", bvChain->biosdev, bvChain->type, bvChain->part_no); //dev=0x81 - HDD␊ |
336 | ␉pause();␊ |
337 | #endif␊ |
338 | ␉␊ |
339 | ␉// Intialize module system␊ |
340 | ␉if(init_module_system())␊ |
341 | ␉{␊ |
342 | #if DEBUG␉␊ |
343 | ␉␉printf("begin load_all_modules\n");␊ |
344 | //␉␉pause();␊ |
345 | #endif␊ |
346 | ␉␉␊ |
347 | ␉␉load_all_modules();␊ |
348 | ␉}␊ |
349 | ␉␊ |
350 | ␉execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);␊ |
351 | #if DEBUG␊ |
352 | printf("ModulesLoaded\n");␊ |
353 | //␉pause();␊ |
354 | #endif␊ |
355 | ␉␊ |
356 | ␉␊ |
357 | #ifndef OPTION_ROM␊ |
358 | // Loading preboot ramdisk if exists.␊ |
359 | loadPrebootRAMDisk();␊ |
360 | ␉␊ |
361 | // Disable rescan option by default␊ |
362 | gEnableCDROMRescan = false;␊ |
363 | ␉␊ |
364 | // Enable it with Rescan=y in system config␊ |
365 | if (getBoolForKey(kRescanKey, &gEnableCDROMRescan, &bootInfo->bootConfig) && gEnableCDROMRescan) {␊ |
366 | gEnableCDROMRescan = true;␊ |
367 | }␊ |
368 | ␉␊ |
369 | // Ask the user for Rescan option by setting "Rescan Prompt"=y in system config.␊ |
370 | rescanPrompt = false;␊ |
371 | if (getBoolForKey(kRescanPromptKey, &rescanPrompt , &bootInfo->bootConfig) && rescanPrompt && biosDevIsCDROM(gBIOSDev)) {␊ |
372 | gEnableCDROMRescan = promptForRescanOption();␊ |
373 | }␊ |
374 | #endif␊ |
375 | ␉␊ |
376 | #if DEBUG␊ |
377 | printf(" Default: %x, ->gBootVolume: %x, ->part_no: %d ->flags: %x\n", gBootVolume, gBootVolume->biosdev, gBootVolume->part_no, gBootVolume->flags);␊ |
378 | printf(" bt(0,0): %x, ->gBIOSBootVolume: %x, ->part_no: %d ->flags: %x\n", gBIOSBootVolume, gBIOSBootVolume->biosdev, gBIOSBootVolume->part_no, gBIOSBootVolume->flags);␊ |
379 | pause();␊ |
380 | ␉/* Results␊ |
381 | ␉ Rescan found 1 HDD and bvCount=4␊ |
382 | ␉ bvr: 836bc10, dev: 80, part: 4, flags: 4a, vis: 1␊ |
383 | ␉ bvr: 836bce0, dev: 80, part: 3, flags: 4b, vis: 1␊ |
384 | ␉ bvr: 836be90, dev: 80, part: 2, flags: 4, vis: 1␊ |
385 | ␉ bvr: 836bf60, dev: 80, part: 1, flags: a, vis: 0␊ |
386 | ␉ count: 3␊ |
387 | ␉ ␊ |
388 | ␉ foundPrimary and flags bvr1=a bvr2=4b␊ |
389 | ␉ Default: 836bce0, ->biosdev: 80, ->part_no: 3 ->flags: 4b //booted partition␊ |
390 | ␉ bt(0,0): 8262030, ->biosdev: 80, ->part_no: 3 ->flags: 4b //unknown pointer␊ |
391 | ␉␊ |
392 | ␉ */␊ |
393 | #endif␊ |
394 | ␉␊ |
395 | ␉␊ |
396 | ␉␊ |
397 | setBootGlobals(bvChain);␊ |
398 | ␉␊ |
399 | // Parse args, load and start kernel.␊ |
400 | while (1) {␊ |
401 | const char *val;␊ |
402 | int len;␊ |
403 | // int trycache;␊ |
404 | long flags, cachetime, kerneltime, exttime, sleeptime, time;␊ |
405 | int ret = -1;␊ |
406 | void *binary = (void *)kLoadAddr;␊ |
407 | bool tryresume;␊ |
408 | bool tryresumedefault;␊ |
409 | bool forceresume;␊ |
410 | ␉␉␊ |
411 | // additional variable for testing alternate kernel image locations on boot helper partitions.␊ |
412 | char bootFileSpec[512];␊ |
413 | ␉␉␊ |
414 | // Initialize globals.␊ |
415 | ␉␉␊ |
416 | sysConfigValid = false;␊ |
417 | gErrors = false;␊ |
418 | trycache␉␉=␉1;␊ |
419 | ␉␉␊ |
420 | status = getBootOptions(firstRun);␊ |
421 | firstRun = false;␊ |
422 | if (status == -1) continue;␊ |
423 | ␉␉␊ |
424 | status = processBootOptions();␊ |
425 | // Status==1 means to chainboot␊ |
426 | if ( status == 1 ) break;␊ |
427 | // Status==-1 means that the config file couldn't be loaded or that gBootVolume is NULL␊ |
428 | if ( status == -1 )␊ |
429 | {␊ |
430 | ␉␉␉// gBootVolume == NULL usually means the user hit escape.␊ |
431 | ␉␉␉if(gBootVolume == NULL)␊ |
432 | ␉␉␉{␊ |
433 | ␉␉␉␉freeFilteredBVChain(bvChain);␊ |
434 | #ifndef OPTION_ROM␊ |
435 | ␉␉␉␉if (gEnableCDROMRescan)␊ |
436 | ␉␉␉␉␉rescanBIOSDevice(gBIOSDev);␊ |
437 | #endif␊ |
438 | ␉␉␉␉␊ |
439 | ␉␉␉␉bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &gDeviceCount);␊ |
440 | ␉␉␉␉setBootGlobals(bvChain);␊ |
441 | ␉␉␉}␊ |
442 | #if DEBUG␊ |
443 | ␉␉␉verbose("After rescan\n");␊ |
444 | ␉␉␉verbose(" System: %x, ->biosdev: %x, ->part_no: %d ->flags: %x\n", gBootVolume, gBootVolume->biosdev, gBootVolume->part_no, gBootVolume->flags);␊ |
445 | ␉␉␉verbose(" Booter: %x, ->biosdev: %x, ->part_no: %d ->flags: %x\n", gBIOSBootVolume, gBIOSBootVolume->biosdev, gBIOSBootVolume->part_no, gBIOSBootVolume->flags);␊ |
446 | ␉␉␉// getc();␊ |
447 | #endif␊ |
448 | ␉␉␉␊ |
449 | ␉␉␉continue;␊ |
450 | }␊ |
451 | ␉␉␊ |
452 | ␉␉␊ |
453 | ␉␉// Find out which version mac os we're booting.␊ |
454 | ␉␉getOSVersion(gMacOSVersion);␊ |
455 | ␉␉␊ |
456 | ␉␉if (platformCPUFeature(CPU_FEATURE_EM64T)) {␊ |
457 | ␉␉␉archCpuType = CPU_TYPE_X86_64;␊ |
458 | ␉␉} else {␊ |
459 | ␉␉␉archCpuType = CPU_TYPE_I386;␊ |
460 | ␉␉}␊ |
461 | ␉␉if (getValueForKey(karch, &val, &len, &bootInfo->bootConfig)) {␊ |
462 | ␉␉␉if (strncmp(val, "i386", 4) == 0) {␊ |
463 | ␉␉␉␉archCpuType = CPU_TYPE_I386;␊ |
464 | ␉␉␉}␊ |
465 | ␉␉}␊ |
466 | ␉␉␊ |
467 | ␉␉// Notify modules that we are attempting to boot␊ |
468 | ␉␉execute_hook("PreBoot", NULL, NULL, NULL, NULL);␊ |
469 | ␊ |
470 | ␉␉if (!getBoolForKey (kWake, &tryresume, &bootInfo->bootConfig)) {␊ |
471 | ␉␉␉tryresume = true;␊ |
472 | ␉␉␉tryresumedefault = true;␊ |
473 | ␉␉} else {␊ |
474 | ␉␉␉tryresumedefault = false;␊ |
475 | ␉␉}␊ |
476 | ␉␉␊ |
477 | ␉␉if (!getBoolForKey (kForceWake, &forceresume, &bootInfo->bootConfig)) {␊ |
478 | ␉␉␉forceresume = false;␊ |
479 | ␉␉}␊ |
480 | ␉␉␊ |
481 | ␉␉if (forceresume) {␊ |
482 | ␉␉␉tryresume = true;␊ |
483 | ␉␉␉tryresumedefault = false;␊ |
484 | ␉␉}␊ |
485 | ␉␉␊ |
486 | ␉␉while (tryresume) {␊ |
487 | ␉␉␉const char *tmp;␊ |
488 | ␉␉␉BVRef bvr;␊ |
489 | ␉␉␉if (!getValueForKey(kWakeImage, &val, &len, &bootInfo->bootConfig))␊ |
490 | ␉␉␉␉val="/private/var/vm/sleepimage";␊ |
491 | ␉␉␉␊ |
492 | ␉␉␉// Do this first to be sure that root volume is mounted␊ |
493 | ␉␉␉ret = GetFileInfo(0, val, &flags, &sleeptime);␊ |
494 | ␉␉␉␊ |
495 | ␉␉␉if ((bvr = getBootVolumeRef(val, &tmp)) == NULL)␊ |
496 | ␉␉␉␉break;␊ |
497 | ␉␉␉␊ |
498 | ␉␉␉// Can't check if it was hibernation Wake=y is required␊ |
499 | ␉␉␉if (bvr->modTime == 0 && tryresumedefault)␊ |
500 | ␉␉␉␉break;␊ |
501 | ␉␉␉␊ |
502 | ␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
503 | ␉␉␉␉break;␊ |
504 | ␉␉␉␊ |
505 | ␉␉␉if (!forceresume && ((sleeptime+3)<bvr->modTime)) {␊ |
506 | ␉␉␉␉printf ("Hibernate image is too old by %d seconds. Use ForceWake=y to override\n",bvr->modTime-sleeptime);␊ |
507 | ␉␉␉␉break;␊ |
508 | ␉␉␉}␊ |
509 | ␉␉␉␊ |
510 | ␉␉␉HibernateBoot((char *)val);␊ |
511 | ␉␉␉break;␊ |
512 | ␉␉}␊ |
513 | ␉␉␊ |
514 | // Reset cache name.␊ |
515 | bzero(gCacheNameAdler + 64, sizeof(gCacheNameAdler) - 64);␊ |
516 | ␉␉␊ |
517 | sprintf(gCacheNameAdler + 64, "%s,%s", gRootDevice, bootInfo->bootFile);␊ |
518 | ␉␉␊ |
519 | adler32 = Adler32((unsigned char *)gCacheNameAdler, sizeof(gCacheNameAdler));␊ |
520 | ␉␉␊ |
521 | if (getValueForKey(kKernelCacheKey, &val, &len, &bootInfo->bootConfig) == true) {␊ |
522 | strlcpy(gBootKernelCacheFile, val, len+1);␊ |
523 | } else {␊ |
524 | ␉␉␉if(gMacOSVersion[3] == '6') {␊ |
525 | ␉␉␉␉sprintf(gBootKernelCacheFile, "kernelcache_%s", /*kDefaultCachePathSnow,*/ (archCpuType == CPU_TYPE_I386) ? "i386" : "x86_64"); //, adler32);␊ |
526 | ␉␉␉␉msglog("search for kernelcache %s\n", gBootKernelCacheFile);␊ |
527 | ␉␉␉␉int lnam = sizeof(gBootKernelCacheFile) + 9; //with adler32␊ |
528 | ␉␉␉␉//Slice - TODO␊ |
529 | ␉␉␉␉/*␊ |
530 | ␉␉␉␉ - but the name is longer .adler32 and more...␊ |
531 | ␉␉␉␉ kernelcache_i386.E102928C.qSs0␊ |
532 | ␉␉␉␉ so will opendir and scan for some files␊ |
533 | ␉␉␉␉*/ ␊ |
534 | ␉␉␉␉char* name;␊ |
535 | ␉␉␉␉long flagsC;␊ |
536 | ␉␉␉␉long timeC;␊ |
537 | ␉␉␉␉struct dirstuff* cacheDir = opendir(kDefaultCachePathSnow);␊ |
538 | ␉␉␉␉while(readdir(cacheDir, (const char**)&name, &flagsC, &timeC) >= 0)␊ |
539 | ␉␉␉␉{␊ |
540 | ␉␉␉␉␉if(strstr(name, gBootKernelCacheFile)) //?␊ |
541 | ␉␉␉␉␉{␊ |
542 | ␉␉␉␉␉␉if(name[lnam] == '.') continue;␊ |
543 | ␉␉␉␉␉␉//char* tmp = malloc(strlen(name) + 1);␊ |
544 | ␉␉␉␉␉␉sprintf(gBootKernelCacheFile, "%s%s", kDefaultCachePathSnow, name);␊ |
545 | ␉␉␉␉␉␉verbose("find kernelcache=%s\n", gBootKernelCacheFile);␊ |
546 | ␉␉␉␉␉␉break;␊ |
547 | ␉␉␉␉␉}␊ |
548 | ␉␉␉␉}␊ |
549 | ␉␉//␉␉close(cacheDir);␊ |
550 | ␉␉␉␉␉␉␊ |
551 | ␉␉␉}␊ |
552 | ␉␉␉else //if(gMacOSVersion[3] == '5')␊ |
553 | ␉␉␉␉sprintf(gBootKernelCacheFile, "%skernelcache", kDefaultCachePath);␊ |
554 | }␊ |
555 | ␉␉␊ |
556 | // Check for cache file.␊ |
557 | trycache = (((gBootMode & kBootModeSafe) == 0) &&␊ |
558 | !gOverrideKernel &&␊ |
559 | (gBootFileType == kBlockDeviceType) &&␊ |
560 | (gMKextName[0] == '\0') &&␊ |
561 | (gBootKernelCacheFile[0] != '\0')); // &&␊ |
562 | //␉␉␉␉␉(gMacOSVersion[3] != '4'));␊ |
563 | ␉␉verbose("Try cache %s %s\n", gBootKernelCacheFile, trycache?"YES":"NO");␊ |
564 | ␉␉␊ |
565 | ␉␉verbose("Loading Darwin %s\n", gMacOSVersion);␊ |
566 | ␉␉␊ |
567 | if (trycache) do {␊ |
568 | ␉␉␉␊ |
569 | // if we haven't found the kernel yet, don't use the cache␊ |
570 | ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);␊ |
571 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
572 | trycache = 0;␊ |
573 | break;␊ |
574 | }␊ |
575 | ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
576 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
577 | || (cachetime < kerneltime)) {␊ |
578 | trycache = 0;␊ |
579 | verbose("Try cache failed\n");␊ |
580 | break;␊ |
581 | }␊ |
582 | ret = GetFileInfo("/System/Library/", "Extensions", &flags, &exttime);␊ |
583 | if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)␊ |
584 | && (cachetime < exttime)) {␊ |
585 | trycache = 0;␊ |
586 | break;␊ |
587 | }␊ |
588 | if (kerneltime > exttime) {␊ |
589 | exttime = kerneltime;␊ |
590 | }␊ |
591 | if (cachetime != (exttime + 1)) {␊ |
592 | trycache = 0;␊ |
593 | break;␊ |
594 | }␊ |
595 | } while (0);␊ |
596 | ␉␉␊ |
597 | do {␊ |
598 | if (trycache) {␊ |
599 | bootFile = gBootKernelCacheFile;␊ |
600 | verbose("Loading kernel cache %s\n", bootFile);␊ |
601 | ret = LoadFile(bootFile);␊ |
602 | binary = (void *)kLoadAddr;␊ |
603 | if (ret >= 0) {␊ |
604 | break;␊ |
605 | }␊ |
606 | }␊ |
607 | bootFile = bootInfo->bootFile;␊ |
608 | ␉␉␉␊ |
609 | // Try to load kernel image from alternate locations on boot helper partitions.␊ |
610 | sprintf(bootFileSpec, "com.apple.boot.P/%s", bootFile);␊ |
611 | ret = GetFileInfo(NULL, bootFileSpec, &flags, &time); ␊ |
612 | ␉ ␉ if (ret == -1)␊ |
613 | ␉ ␉ {␊ |
614 | ␉␉␉␉sprintf(bootFileSpec, "com.apple.boot.R/%s", bootFile);␊ |
615 | ␉␉␉␉ret = GetFileInfo(NULL, bootFileSpec, &flags, &time); ␊ |
616 | ␉␉␉␉if (ret == -1)␊ |
617 | ␉␉␉␉{␊ |
618 | ␉␉␉␉␉sprintf(bootFileSpec, "com.apple.boot.S/%s", bootFile);␊ |
619 | ␉␉␉␉␉ret = GetFileInfo(NULL, bootFileSpec, &flags, &time); ␊ |
620 | ␉␉␉␉␉if (ret == -1)␊ |
621 | ␉␉␉␉␉{␊ |
622 | ␉␉␉␉␉␉// Not found any alternate locations, using the original kernel image path.␊ |
623 | ␉␉␉␉␉␉strcpy(bootFileSpec, bootFile);␊ |
624 | ␉␉␉␉␉}␊ |
625 | ␉␉␉␉}␊ |
626 | }␊ |
627 | ␉␉␉␊ |
628 | verbose("Loading kernel %s\n", bootFileSpec);␊ |
629 | ret = LoadThinFatFile(bootFileSpec, &binary);␊ |
630 | if (ret <= 0 && archCpuType == CPU_TYPE_X86_64)␊ |
631 | {␊ |
632 | ␉␉␉␉archCpuType = CPU_TYPE_I386;␊ |
633 | ␉␉␉␉ret = LoadThinFatFile(bootFileSpec, &binary);␉␉␉␉␊ |
634 | }␊ |
635 | ␉␉␉␊ |
636 | } while (0);␊ |
637 | ␉␉␊ |
638 | clearActivityIndicator();␊ |
639 | #if DEBUG␊ |
640 | printf("Pausing...");␊ |
641 | sleep(8);␊ |
642 | #endif␊ |
643 | ␉␉␊ |
644 | if (ret <= 0) {␊ |
645 | ␉␉␉printf("Can't find %s\n", bootFile);␊ |
646 | ␉␉␉␊ |
647 | ␉␉␉sleep(1);␊ |
648 | #ifndef OPTION_ROM␊ |
649 | if (gBootFileType == kNetworkDeviceType) {␊ |
650 | // Return control back to PXE. Don't unload PXE base code.␊ |
651 | gUnloadPXEOnExit = false;␊ |
652 | break;␊ |
653 | }␊ |
654 | #endif␊ |
655 | } else {␊ |
656 | /* Won't return if successful. */␊ |
657 | ␉␉␉// Notify modules that ExecKernel is about to be called␊ |
658 | ret = ExecKernel(binary);␊ |
659 | }␊ |
660 | ␊ |
661 | } /* while(1) */␊ |
662 | ␊ |
663 | // chainboot␊ |
664 | if (status==1) {␊ |
665 | ␉␉if (getVideoMode() == GRAPHICS_MODE) {␉// if we are already in graphics-mode,␊ |
666 | ␉␉␉setVideoMode(VGA_TEXT_MODE, 0);␉// switch back to text mode␊ |
667 | ␉␉}␊ |
668 | }␊ |
669 | #ifndef OPTION_ROM␊ |
670 | if ((gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit) {␊ |
671 | ␉␉nbpUnloadBaseCode();␊ |
672 | }␊ |
673 | #endif␊ |
674 | }␊ |
675 | ␊ |
676 | /*!␊ |
677 | Selects a new BIOS device, taking care to update the global state appropriately.␊ |
678 | */␊ |
679 | /*␊ |
680 | static void selectBiosDevice(void)␊ |
681 | {␊ |
682 | struct DiskBVMap *oldMap = diskResetBootVolumes(gBIOSDev);␊ |
683 | CacheReset();␊ |
684 | diskFreeMap(oldMap);␊ |
685 | oldMap = NULL;␊ |
686 | ␊ |
687 | int dev = selectAlternateBootDevice(gBIOSDev);␊ |
688 | ␊ |
689 | BVRef bvchain = scanBootVolumes(dev, 0);␊ |
690 | BVRef bootVol = selectBootVolume(bvchain);␊ |
691 | gBootVolume = bootVol;␊ |
692 | setRootVolume(bootVol);␊ |
693 | gBIOSDev = dev;␊ |
694 | }␊ |
695 | */␊ |
696 | ␊ |
697 | static bool getOSVersion(char *str)␊ |
698 | {␊ |
699 | ␉bool valid = false;␊ |
700 | //␉config_file_t systemVersion;␊ |
701 | ␉const char *val;␊ |
702 | ␉int len;␊ |
703 | ␉msglog("Address loadConfigFile=%x bootInfo=%x\n", &loadConfigFile, &bootInfo);␊ |
704 | ␉if (!loadConfigFile("/System/Library/CoreServices/SystemVersion.plist", &systemVersion))␊ |
705 | ␉{␊ |
706 | ␉␉valid = true;␊ |
707 | ␉}␊ |
708 | ␉else if (!loadConfigFile("/System/Library/CoreServices/ServerVersion.plist", &systemVersion))␊ |
709 | ␉{␊ |
710 | ␉␉valid = true;␊ |
711 | ␉}␊ |
712 | ␉␊ |
713 | ␉if (valid)␊ |
714 | ␉{␊ |
715 | ␉␉if (getValueForKey(kProductVersion, &val, &len, &systemVersion))␊ |
716 | ␉␉{␊ |
717 | ␉␉␉// getValueForKey uses const char for val␊ |
718 | ␉␉␉// so copy it and trim␊ |
719 | ␉␉␉*str = '\0';␊ |
720 | ␉␉␉strncat(str, val, MIN(len, 4));␊ |
721 | ␉␉}␊ |
722 | ␉␉else␊ |
723 | ␉␉␉valid = false;␊ |
724 | ␉}␊ |
725 | ␉␊ |
726 | ␉return valid;␊ |
727 | }␊ |
728 | ␊ |
729 | #define BASE 65521L /* largest prime smaller than 65536 */␊ |
730 | #define NMAX 5000␊ |
731 | // NMAX (was 5521) the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1␊ |
732 | ␊ |
733 | #define DO1(buf,i) {s1 += buf[i]; s2 += s1;}␊ |
734 | #define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);␊ |
735 | #define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);␊ |
736 | #define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);␊ |
737 | #define DO16(buf) DO8(buf,0); DO8(buf,8);␊ |
738 | /*␊ |
739 | unsigned long Adler32(unsigned char *buf, long len)␊ |
740 | {␊ |
741 | unsigned long s1 = 1; // adler & 0xffff;␊ |
742 | unsigned long s2 = 0; // (adler >> 16) & 0xffff;␊ |
743 | unsigned long result;␊ |
744 | int k;␊ |
745 | ␉␊ |
746 | while (len > 0) {␊ |
747 | k = len < NMAX ? len : NMAX;␊ |
748 | len -= k;␊ |
749 | while (k >= 16) {␊ |
750 | DO16(buf);␊ |
751 | buf += 16;␊ |
752 | k -= 16;␊ |
753 | }␊ |
754 | if (k != 0) do {␊ |
755 | s1 += *buf++;␊ |
756 | s2 += s1;␊ |
757 | } while (--k);␊ |
758 | s1 %= BASE;␊ |
759 | s2 %= BASE;␊ |
760 | }␊ |
761 | result = (s2 << 16) | s1;␊ |
762 | return OSSwapHostToBigInt32(result);␊ |
763 | }␊ |
764 | */ |