| 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 | ␊ |
| 185 | static int ExecKernel(void *binary)␊ |
| 186 | {␊ |
| 187 | entry_t kernelEntry;␊ |
| 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 (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6')␊ |
| 334 | ␉␉reserveKernLegacyBootStruct();␊ |
| 335 | ␉␊ |
| 336 | #if UNUSED␊ |
| 337 | ␉turnOffFloppy();␊ |
| 338 | #endif␊ |
| 339 | #if BETA␊ |
| 340 | #include "smp-imps.h"␊ |
| 341 | #include "apic.h"␊ |
| 342 | ␉IMPS_LAPIC_WRITE(LAPIC_LVT1, LAPIC_ICR_DM_NMI);␊ |
| 343 | #endif␊ |
| 344 | ␊ |
| 345 | ␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6') {␊ |
| 346 | ␉␉␊ |
| 347 | ␉␉// Jump to kernel's entry point. There's no going back now. XXX LEGACY OS XXX␊ |
| 348 | ␉␉startprog( kernelEntry, bootArgsLegacy );␊ |
| 349 | ␉}␊ |
| 350 | ␊ |
| 351 | ␉outb(0x21, 0xff); /* Maskout all interrupts Pic1 */␊ |
| 352 | ␉outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */␊ |
| 353 | ␊ |
| 354 | ␉// Jump to kernel's entry point. There's no going back now. XXX LION XXX␊ |
| 355 | startprog( kernelEntry, bootArgs );␊ |
| 356 | ␊ |
| 357 | // Should not be reached␊ |
| 358 | ␉␊ |
| 359 | return 0;␊ |
| 360 | }␊ |
| 361 | ␊ |
| 362 | //==========================================================================␊ |
| 363 | // This is the entrypoint from real-mode which functions exactly as it did␊ |
| 364 | // before. Multiboot does its own runtime initialization, does some of its␊ |
| 365 | // own things, and then calls common_boot.␊ |
| 366 | void boot(int biosdev)␊ |
| 367 | {␊ |
| 368 | ␉initialize_runtime();␊ |
| 369 | ␉// Enable A20 gate before accessing memory above 1Mb.␊ |
| 370 | ␉enableA20();␊ |
| 371 | ␉common_boot(biosdev);␊ |
| 372 | }␊ |
| 373 | ␊ |
| 374 | //==========================================================================␊ |
| 375 | // The 'main' function for the booter. Called by boot0 when booting␊ |
| 376 | // from a block device, or by the network booter.␊ |
| 377 | //␊ |
| 378 | // arguments:␊ |
| 379 | // biosdev - Value passed from boot1/NBP to specify the device␊ |
| 380 | // that the booter was loaded from.␊ |
| 381 | //␊ |
| 382 | // If biosdev is kBIOSDevNetwork, then this function will return if␊ |
| 383 | // booting was unsuccessful. This allows the PXE firmware to try the␊ |
| 384 | // next boot device on its list.␊ |
| 385 | void common_boot(int biosdev)␊ |
| 386 | {␊ |
| 387 | int status;␊ |
| 388 | bool firstRun = true;␊ |
| 389 | int devcnt = 0;␊ |
| 390 | int bvCount = 0;␊ |
| 391 | ␉int BIOSDev = 0;␊ |
| 392 | long gBootMode = kBootModeNormal; /* defaults to 0 == kBootModeNormal */␊ |
| 393 | ␊ |
| 394 | unsigned int allowBVFlags = kBVFlagSystemVolume|kBVFlagForeignBoot;␊ |
| 395 | unsigned int denyBVFlags = kBVFlagEFISystem;␊ |
| 396 | ␉␊ |
| 397 | #ifdef NBP_SUPPORT␊ |
| 398 | // Set reminder to unload the PXE base code. Neglect to unload␊ |
| 399 | // the base code will result in a hang or kernel panic.␊ |
| 400 | gUnloadPXEOnExit = true;␊ |
| 401 | #endif␊ |
| 402 | ␊ |
| 403 | // Setup VGA text mode.␊ |
| 404 | // It's unsafe to call setVideoMode() before the␊ |
| 405 | // bootargs is initialized, we call video_mode() instead.␊ |
| 406 | #if DEBUG␊ |
| 407 | printf("before video_mode\n");␊ |
| 408 | #endif␊ |
| 409 | video_mode( 2 ); // 80x25 mono text mode.␊ |
| 410 | #if DEBUG␊ |
| 411 | printf("after video_mode\n");␊ |
| 412 | #endif␊ |
| 413 | ␉printf("Starting Chameleon ...\n");␊ |
| 414 | ␊ |
| 415 | ␉Install_Default_Handler();␊ |
| 416 | ␉␊ |
| 417 | ␉init_ut_fnc();␊ |
| 418 | ␊ |
| 419 | ␉initBooterLog();␊ |
| 420 | ␊ |
| 421 | ␉// Initialize boot info structure.␊ |
| 422 | initKernBootStruct();␊ |
| 423 | ␉␊ |
| 424 | // Scan and record the system's hardware information.␊ |
| 425 | scan_platform();␊ |
| 426 | ␉␊ |
| 427 | ␊ |
| 428 | ␉// Pseudo-random generator initialization.␊ |
| 429 | // arc4_init();␊ |
| 430 | ␉␊ |
| 431 | set_env(envgBIOSDev, (BIOSDev = biosdev & kBIOSDevMask));␊ |
| 432 | set_env(envShouldboot, false);␊ |
| 433 | set_env(envkCacheFile, (uint32_t)gBootKernelCacheFile);␊ |
| 434 | set_env(envMKextName, (uint32_t)gMKextName);␊ |
| 435 | ␉set_env(envHFSLoadVerbose, 1);␊ |
| 436 | ␉set_env(envarchCpuType, CPU_TYPE_I386);␊ |
| 437 | ␉set_env(envgHaveKernelCache, false);␊ |
| 438 | ␊ |
| 439 | InitBootPrompt();␊ |
| 440 | ␊ |
| 441 | // First get info for boot volume.␊ |
| 442 | scanBootVolumes(BIOSDev, 0);␊ |
| 443 | ␊ |
| 444 | bvChain = getBVChainForBIOSDev(BIOSDev);␊ |
| 445 | ␊ |
| 446 | setBootGlobals(bvChain);␊ |
| 447 | ␊ |
| 448 | // Load Booter boot.plist config file␊ |
| 449 | loadBooterConfig();␊ |
| 450 | ␉␊ |
| 451 | {␊ |
| 452 | bool isServer = false;␊ |
| 453 | getBoolForKey(kIsServer, &isServer, DEFAULT_BOOT_CONFIG); // we must set this as soon as possible␊ |
| 454 | set_env(envIsServer , isServer);␊ |
| 455 | }␊ |
| 456 | ␉␊ |
| 457 | ␊ |
| 458 | ␉{␊ |
| 459 | ␉␉bool quiet = false;␊ |
| 460 | ␉␉if (getBoolForKey(kQuietBootKey, &quiet, DEFAULT_BOOT_CONFIG) && quiet)␊ |
| 461 | ␉␉{␊ |
| 462 | ␉␉␉gBootMode |= kBootModeQuiet;␊ |
| 463 | ␉␉}␊ |
| 464 | ␉}␊ |
| 465 | ␊ |
| 466 | set_env(envgBootMode, gBootMode);␊ |
| 467 | ␉␊ |
| 468 | ␉{␊ |
| 469 | ␉␉bool instantMenu = false;␊ |
| 470 | ␉␉// Override firstRun to get to the boot menu instantly by setting "Instant Menu"=y in system config␊ |
| 471 | ␉␉if (getBoolForKey(kInsantMenuKey, &instantMenu, DEFAULT_BOOT_CONFIG) && instantMenu)␊ |
| 472 | ␉␉{␊ |
| 473 | ␉␉␉firstRun = false;␊ |
| 474 | ␉␉}␊ |
| 475 | ␉}␊ |
| 476 | ␊ |
| 477 | {␊ |
| 478 | bool ScanSingleDrive = false;␊ |
| 479 | // Enable touching a single BIOS device only if "Scan Single Drive"=y is set in system config.␊ |
| 480 | if (getBoolForKey(kScanSingleDriveKey, &ScanSingleDrive, DEFAULT_BOOT_CONFIG) && ScanSingleDrive)␊ |
| 481 | {␊ |
| 482 | ScanSingleDrive = true;␊ |
| 483 | }␊ |
| 484 | safe_set_env(envgScanSingleDrive, ScanSingleDrive);␊ |
| 485 | // Create a list of partitions on device(s).␊ |
| 486 | if (ScanSingleDrive)␊ |
| 487 | {␊ |
| 488 | scanBootVolumes(BIOSDev, &bvCount);␊ |
| 489 | }␊ |
| 490 | else␊ |
| 491 | {␊ |
| 492 | scanDisks();␊ |
| 493 | }␊ |
| 494 | ␊ |
| 495 | ␉}␊ |
| 496 | ␊ |
| 497 | // Create a separated bvr chain using the specified filters.␊ |
| 498 | bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &devcnt);␊ |
| 499 | safe_set_env(envgDeviceCount,devcnt);␊ |
| 500 | ␊ |
| 501 | ␉safe_set_env(envgBootVolume, (uint32_t)selectBootVolume(bvChain));␊ |
| 502 | ␊ |
| 503 | ␉␊ |
| 504 | ␉LoadBundles("/Extra/");␊ |
| 505 | ␊ |
| 506 | // Loading preboot ramdisk if exists.␊ |
| 507 | ␉execute_hook("loadPrebootRAMDisk", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
| 508 | ␊ |
| 509 | {␊ |
| 510 | // Disable rescan option by default␊ |
| 511 | bool CDROMRescan = false;␊ |
| 512 | ␊ |
| 513 | // Enable it with Rescan=y in system config␊ |
| 514 | if (getBoolForKey(kRescanKey, &CDROMRescan, DEFAULT_BOOT_CONFIG) && CDROMRescan)␊ |
| 515 | {␊ |
| 516 | CDROMRescan = true;␊ |
| 517 | ␊ |
| 518 | }␊ |
| 519 | safe_set_env(envgEnableCDROMRescan, CDROMRescan);␊ |
| 520 | ␊ |
| 521 | }␊ |
| 522 | ␊ |
| 523 | ␉␊ |
| 524 | ␉{␊ |
| 525 | ␉␉bool rescanPrompt = false;␊ |
| 526 | ␉␉// Ask the user for Rescan option by setting "Rescan Prompt"=y in system config.␊ |
| 527 | ␉␉if (getBoolForKey(kRescanPromptKey, &rescanPrompt , DEFAULT_BOOT_CONFIG) && rescanPrompt && biosDevIsCDROM((int)get_env(envgBIOSDev)))␊ |
| 528 | ␉␉{␊ |
| 529 | safe_set_env(envgEnableCDROMRescan, promptForRescanOption());␊ |
| 530 | ␉␉}␊ |
| 531 | ␉}␊ |
| 532 | ␉␊ |
| 533 | #if DEBUG␊ |
| 534 | 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);␊ |
| 535 | 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);␊ |
| 536 | getc();␊ |
| 537 | #endif␊ |
| 538 | ␊ |
| 539 | setBootGlobals(bvChain);␊ |
| 540 | ␉␊ |
| 541 | ␉// Display the GUI␊ |
| 542 | ␉execute_hook("GUI_Display", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
| 543 | ␊ |
| 544 | // Parse args, load and start kernel.␊ |
| 545 | while (1) {␊ |
| 546 | const char *val;␊ |
| 547 | int len;␊ |
| 548 | ␉␉char *bootFile;␊ |
| 549 | ␉␉bool trycache = true; // Always try to catch the kernelcache first␊ |
| 550 | ␉␉␊ |
| 551 | long flags;␊ |
| 552 | #ifdef BOOT_HELPER_SUPPORT␊ |
| 553 | ␉␉long time;␊ |
| 554 | #endif␊ |
| 555 | int ret = -1;␊ |
| 556 | void *binary = (void *)kLoadAddr;␊ |
| 557 | ␊ |
| 558 | // additional variable for testing alternate kernel image locations on boot helper partitions.␊ |
| 559 | char bootFileSpec[512];␊ |
| 560 | ␉␉␊ |
| 561 | // Initialize globals.␊ |
| 562 | safe_set_env(envSysConfigValid, false);␊ |
| 563 | ␉␉␊ |
| 564 | status = getBootOptions(firstRun);␊ |
| 565 | firstRun = false;␊ |
| 566 | if (status == -1) continue;␊ |
| 567 | ␉␉␊ |
| 568 | status = processBootOptions();␊ |
| 569 | #ifndef NO_MULTIBOOT_SUPPORT␊ |
| 570 | // Status==1 means to chainboot␊ |
| 571 | if ( status == 1 ) break;␊ |
| 572 | #endif␊ |
| 573 | // Status==-1 means that the config file couldn't be loaded or that gBootVolume is NULL␊ |
| 574 | if ( status == -1 )␊ |
| 575 | {␊ |
| 576 | ␉␉␉// gBootVolume == NULL usually means the user hit escape.␊ |
| 577 | ␉␉␉if(((BVRef)(uint32_t)get_env(envgBootVolume)) == NULL)␊ |
| 578 | ␉␉␉{␊ |
| 579 | ␉␉␉␉freeFilteredBVChain(bvChain);␊ |
| 580 | ␊ |
| 581 | ␉␉␉␉if (get_env(envgEnableCDROMRescan))␊ |
| 582 | ␉␉␉␉␉rescanBIOSDevice((int)get_env(envgBIOSDev));␊ |
| 583 | ␉␉␉␉␊ |
| 584 | ␉␉␉␉bvChain = newFilteredBVChain(0x80, 0xFF, allowBVFlags, denyBVFlags, &devcnt);␊ |
| 585 | safe_set_env(envgDeviceCount,devcnt);␊ |
| 586 | ␊ |
| 587 | ␉␉␉␉setBootGlobals(bvChain);␊ |
| 588 | ␉␉␉}␊ |
| 589 | ␉␉␉continue;␊ |
| 590 | }␊ |
| 591 | ␊ |
| 592 | // Other status (e.g. 0) means that we should proceed with boot.␊ |
| 593 | ␉␉execute_hook("GUI_PreBoot", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
| 594 | ␊ |
| 595 | ␉␉if (getValueForKey(karch, &val, &len, DEFAULT_BOOT_CONFIG) && val)␊ |
| 596 | ␉␉{␊ |
| 597 | ␉␉␉if (strncmp(val, "x86_64", 4) == 0)␊ |
| 598 | ␉␉␉{␊ |
| 599 | ␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_X86_64);␊ |
| 600 | ␊ |
| 601 | ␉␉␉}␊ |
| 602 | ␉␉␉else if (strncmp(val, "i386", 4) == 0)␊ |
| 603 | ␉␉␉{␊ |
| 604 | ␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
| 605 | ␊ |
| 606 | ␉␉␉}␊ |
| 607 | ␉␉␉else␊ |
| 608 | ␉␉␉{␊ |
| 609 | ␉␉␉␉DBG("Incorrect parameter for option 'arch =' , please use x86_64 or i386\n");␊ |
| 610 | ␉␉␉␉determineCpuArch();␊ |
| 611 | ␉␉␉}␊ |
| 612 | ␊ |
| 613 | ␉␉}␊ |
| 614 | ␉␉else determineCpuArch();␊ |
| 615 | ␊ |
| 616 | ␊ |
| 617 | ␉␉getRootDevice();␊ |
| 618 | ␊ |
| 619 | ␉␉// Notify to all modules that we are attempting to boot␊ |
| 620 | ␉␉execute_hook("PreBoot", NULL, NULL, NULL, NULL, NULL, NULL);␊ |
| 621 | ␉␉␊ |
| 622 | ␉␉if (execute_hook("getProductNamePatched", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS)␊ |
| 623 | ␉␉␉readSMBIOS(thePlatformName); // read smbios Platform Name␊ |
| 624 | ␉␉␊ |
| 625 | ␉␉␊ |
| 626 | ␉␉if (((get_env(envgBootMode) & kBootModeSafe) == 0) &&␊ |
| 627 | ␉␉␉!get_env(envgOverrideKernel) &&␊ |
| 628 | ␉␉␉(get_env(envgBootFileType) == kBlockDeviceType) &&␊ |
| 629 | ␉␉␉(gMKextName[0] == '\0') &&␊ |
| 630 | ␉␉␉!getValueForBootKey(bootArgs->CommandLine, kIgnorePrelinkKern, &val, &len))␊ |
| 631 | ␉␉{␊ |
| 632 | ␉␉␉getBoolForKey(kUseKernelCache, &trycache, DEFAULT_BOOT_CONFIG);␊ |
| 633 | ␉␉␉if (trycache == true)␊ |
| 634 | ␉␉␉{␊ |
| 635 | ␉␉␉␉// try to find the cache and fill the gBootKernelCacheFile string␊ |
| 636 | ␉␉␉␉getKernelCachePath();␊ |
| 637 | ␉␉␉␉␊ |
| 638 | ␉␉␉␉// Check for cache file␊ |
| 639 | ␉␉␉␉trycache = (gBootKernelCacheFile[0] != '\0') ? true : false; // if gBootKernelCacheFile is filled et bla bla bla.... :-)␊ |
| 640 | ␉␉␉}␊ |
| 641 | ␉␉␉␊ |
| 642 | ␉␉}␊ |
| 643 | ␉␉else␊ |
| 644 | ␉␉{␊ |
| 645 | ␉␉␉trycache = false;␊ |
| 646 | ␉␉}␊ |
| 647 | ␊ |
| 648 | ␉␉verbose("Loading Darwin %s\n", ((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion);␊ |
| 649 | ␉␉{␊ |
| 650 | ␉␉␉long cachetime, kerneltime = 0, exttime;␊ |
| 651 | ␉␉␉if (trycache && !forcecache) do {␊ |
| 652 | ␉␉␉␉␊ |
| 653 | if (strncmp(bootInfo->bootFile, kDefaultKernel,sizeof(kDefaultKernel)) != 0) {␊ |
| 654 | // if we haven't found the kernel yet, don't use the cache␊ |
| 655 | ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);␊ |
| 656 | if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
| 657 | {␊ |
| 658 | trycache = false;␊ |
| 659 | safe_set_env(envAdler32, 0);␊ |
| 660 | DBG("No kernel found, kernelcache disabled !!!\n");␊ |
| 661 | break;␊ |
| 662 | }␊ |
| 663 | }␊ |
| 664 | else if (((BVRef)(uint32_t)get_env(envgBootVolume))->kernelfound != true) // Should never happen.␊ |
| 665 | {␊ |
| 666 | bootFile = kDefaultKernel;␊ |
| 667 | goto out;␊ |
| 668 | }␊ |
| 669 | ␊ |
| 670 | ␉␉␉␉ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
| 671 | ␉␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
| 672 | ␉␉␉␉␉|| (cachetime < kerneltime))␊ |
| 673 | ␉␉␉␉{␊ |
| 674 | ␉␉␉␉␉trycache = false;␊ |
| 675 | ␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
| 676 | ␉␉␉␉␉DBG("Warning: No kernelcache found or kernelcache too old (timestamp of the kernel > timestamp of the cache), kernelcache disabled !!!\n");␊ |
| 677 | ␊ |
| 678 | ␉␉␉␉␉break;␊ |
| 679 | ␉␉␉␉}␊ |
| 680 | ␉␉␉␉ret = GetFileInfo("/System/Library/", "Extensions", &flags, &exttime);␊ |
| 681 | ␉␉␉␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)␊ |
| 682 | ␉␉␉␉␉&& (cachetime < exttime))␊ |
| 683 | ␉␉␉␉{␊ |
| 684 | ␉␉␉␉␉trycache = false;␊ |
| 685 | ␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
| 686 | ␉␉␉␉␉DBG("Warning: kernelcache too old, timestamp of S/L/E > timestamp of the cache, kernelcache disabled !!! \n");␊ |
| 687 | ␊ |
| 688 | ␉␉␉␉␉break;␊ |
| 689 | ␉␉␉␉}␊ |
| 690 | ␉␉␉␉if (kerneltime > exttime)␊ |
| 691 | ␉␉␉␉{␊ |
| 692 | ␉␉␉␉␉exttime = kerneltime;␊ |
| 693 | ␉␉␉␉}␊ |
| 694 | ␉␉␉␉if (cachetime != (exttime + 1))␊ |
| 695 | ␉␉␉␉{␊ |
| 696 | ␉␉␉␉␉trycache = false;␊ |
| 697 | ␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
| 698 | ␉␉␉␉␉DBG("Warning: invalid timestamp, kernelcache disabled !!!\n");␊ |
| 699 | ␊ |
| 700 | ␉␉␉␉␉break;␊ |
| 701 | ␉␉␉␉}␊ |
| 702 | ␉␉␉} while (0);␊ |
| 703 | ␉␉}␊ |
| 704 | ␊ |
| 705 | do {␊ |
| 706 | if (trycache == true || forcecache == true)␊ |
| 707 | ␉␉␉{␊ |
| 708 | bootFile = gBootKernelCacheFile;␊ |
| 709 | verbose("Loading kernel cache %s\n", bootFile);␊ |
| 710 | ␉␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] > '6')␊ |
| 711 | ␉␉␉␉{␊ |
| 712 | ␉␉␉␉␉ret = LoadThinFatFile(bootFile, &binary);␊ |
| 713 | ␉␉␉␉␉if ((ret <= 0) && (get_env(envarchCpuType) == CPU_TYPE_X86_64))␊ |
| 714 | ␉␉␉␉␉{␊ |
| 715 | ␉␉␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
| 716 | ␉␉␉␉␉␉ret = LoadThinFatFile(bootFile, &binary);␊ |
| 717 | ␉␉␉␉␉}␊ |
| 718 | ␉␉␉␉}␊ |
| 719 | ␉␉␉␉else␊ |
| 720 | ␉␉␉␉{␊ |
| 721 | ␉␉␉␉␉ret = LoadFile(bootFile);␊ |
| 722 | ␉␉␉␉␉binary = (void *)kLoadAddr;␊ |
| 723 | ␉␉␉␉}␊ |
| 724 | ␉␉␉␉␊ |
| 725 | if (ret >= 0)␊ |
| 726 | ␉␉␉␉{␊ |
| 727 | break;␊ |
| 728 | }␊ |
| 729 | ␉␉␉␉␊ |
| 730 | }␊ |
| 731 | ␉␉␉safe_set_env(envAdler32, 0);␊ |
| 732 | bootFile = bootInfo->bootFile;␊ |
| 733 | #ifdef BOOT_HELPER_SUPPORT␊ |
| 734 | ␉␉␉␊ |
| 735 | // Try to load kernel image from alternate locations on boot helper partitions.␊ |
| 736 | snprintf(bootFileSpec, sizeof(bootFileSpec),"com.apple.boot.P/%s", bootFile);␊ |
| 737 | ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);␊ |
| 738 | ␉ ␉ if (ret == -1)␊ |
| 739 | ␉ ␉ {␊ |
| 740 | ␉␉␉␉snprintf(bootFileSpec, sizeof(bootFileSpec), "com.apple.boot.R/%s", bootFile);␊ |
| 741 | ␉␉␉␉ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);␊ |
| 742 | ␉␉␉␉if (ret == -1)␊ |
| 743 | ␉␉␉␉{␊ |
| 744 | ␉␉␉␉␉snprintf(bootFileSpec, sizeof(bootFileSpec), "com.apple.boot.S/%s", bootFile);␊ |
| 745 | ␉␉␉␉␉ret = GetFileInfo(NULL, bootFileSpec, &flags, &time);␊ |
| 746 | ␉␉␉␉␉if (ret == -1)␊ |
| 747 | ␉␉␉␉␉{␊ |
| 748 | ␉␉␉␉␉␉// Not found any alternate locations, using the original kernel image path.␊ |
| 749 | ␉␉␉␉␉␉strlcpy(bootFileSpec, bootFile,sizeof(bootFileSpec));␊ |
| 750 | ␉␉␉␉␉}␊ |
| 751 | ␉␉␉␉}␊ |
| 752 | }␊ |
| 753 | #else␊ |
| 754 | ␉␉␉strlcpy(bootFileSpec, bootFile,sizeof(bootFileSpec));␊ |
| 755 | #endif␊ |
| 756 | ␉␉␉␊ |
| 757 | verbose("Loading kernel %s\n", bootFileSpec);␊ |
| 758 | ret = LoadThinFatFile(bootFileSpec, &binary);␊ |
| 759 | if ((ret <= 0) && (get_env(envarchCpuType) == CPU_TYPE_X86_64))␊ |
| 760 | {␊ |
| 761 | ␉␉␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
| 762 | ␉␉␉␉ret = LoadThinFatFile(bootFileSpec, &binary);␊ |
| 763 | }␊ |
| 764 | ␉␉␉␊ |
| 765 | } while (0);␊ |
| 766 | ␉␉␊ |
| 767 | #if DEBUG␊ |
| 768 | printf("Pausing...");␊ |
| 769 | sleep(8);␊ |
| 770 | #endif␊ |
| 771 | ␉␉␊ |
| 772 | if (ret <= 0)␊ |
| 773 | ␉␉{␊ |
| 774 | out:␊ |
| 775 | ␉␉␉printf("Can't find %s\n", bootFile);␊ |
| 776 | ␉␉␉␊ |
| 777 | ␉␉␉sleep(1);␊ |
| 778 | #ifdef NBP_SUPPORT␊ |
| 779 | if (get_env(envgBootFileType) == kNetworkDeviceType)␊ |
| 780 | ␉␉␉{␊ |
| 781 | // Return control back to PXE. Don't unload PXE base code.␊ |
| 782 | gUnloadPXEOnExit = false;␊ |
| 783 | break;␊ |
| 784 | }␊ |
| 785 | #endif␊ |
| 786 | }␊ |
| 787 | ␉␉else␊ |
| 788 | ␉␉{␊ |
| 789 | /* Won't return if successful. */␊ |
| 790 | if ( ExecKernel(binary))␊ |
| 791 | {␊ |
| 792 | firstRun = true;␊ |
| 793 | continue;␊ |
| 794 | }␊ |
| 795 | }␊ |
| 796 | }␊ |
| 797 | ␉␊ |
| 798 | #ifndef NO_MULTIBOOT_SUPPORT␊ |
| 799 | // chainboot␊ |
| 800 | if (status==1)␊ |
| 801 | ␉{␊ |
| 802 | ␉␉if (getVideoMode() == GRAPHICS_MODE)␊ |
| 803 | ␉␉{␉// if we are already in graphics-mode,␊ |
| 804 | ␊ |
| 805 | ␉␉␉__setVideoMode(VGA_TEXT_MODE);␉// switch back to text mode␊ |
| 806 | ␊ |
| 807 | ␉␉}␊ |
| 808 | }␊ |
| 809 | #else␊ |
| 810 | ␉printf("No proper Darwin Partition found, reseting ... \n");␊ |
| 811 | ␉pause();␊ |
| 812 | ␉common_boot(biosdev);␊ |
| 813 | #endif␊ |
| 814 | ␉␊ |
| 815 | #ifdef NBP_SUPPORT␊ |
| 816 | if ((get_env(envgBootFileType) == kNetworkDeviceType) && gUnloadPXEOnExit)␊ |
| 817 | ␉{␊ |
| 818 | ␉␉nbpUnloadBaseCode();␊ |
| 819 | }␊ |
| 820 | #endif␊ |
| 821 | }␊ |
| 822 | ␊ |
| 823 | static void determineCpuArch(void)␊ |
| 824 | {␊ |
| 825 | ␉if (cpu_mode_is64bit())␊ |
| 826 | ␉{␊ |
| 827 | ␉␉safe_set_env(envarchCpuType, CPU_TYPE_X86_64);␊ |
| 828 | ␊ |
| 829 | ␉}␊ |
| 830 | ␉else␊ |
| 831 | ␉{␊ |
| 832 | ␉␉safe_set_env(envarchCpuType, CPU_TYPE_I386);␊ |
| 833 | ␉}␊ |
| 834 | }␊ |
| 835 | ␊ |
| 836 | void getKernelCachePath(void)␊ |
| 837 | {␊ |
| 838 | ␉{␊ |
| 839 | ␉␉// If there is an extra kext/mkext, we return immediatly and we skip the kernelCache␊ |
| 840 | ␉␉// since kexts/mkexts are not loaded properly when the kernelCache is used.␊ |
| 841 | ␉␉// Another method would be to re-build the kernelCache one the fly␊ |
| 842 | ␉␉if (found_extra_kext() == true) return;␊ |
| 843 | ␉}␊ |
| 844 | ␉␊ |
| 845 | ␉{␊ |
| 846 | ␉␉const char *val;␊ |
| 847 | ␉␉int len;␊ |
| 848 | ␉␉unsigned long Adler32 = 0;␊ |
| 849 | ␉␉␊ |
| 850 | ␉␉if (getValueForKey(kKernelCacheKey, &val, &len, DEFAULT_BOOT_CONFIG))␊ |
| 851 | ␉␉{␊ |
| 852 | char * buffer = newString(val);␊ |
| 853 | ␊ |
| 854 | ␉␉␉if (val[0] == '\\')␊ |
| 855 | ␉␉␉{␊ |
| 856 | ␉␉␉␉// Flip the back slash's to slash's .␊ |
| 857 | len = 0;␊ |
| 858 | while (buffer[len] != '\0') {␊ |
| 859 | if (buffer[len] == '\\')␊ |
| 860 | {␊ |
| 861 | buffer[len] = '/';␊ |
| 862 | }␊ |
| 863 | len++;␊ |
| 864 | }␊ |
| 865 | ␉␉␉}␊ |
| 866 | ␉␉␉strlcpy(gBootKernelCacheFile, buffer, sizeof(gBootKernelCacheFile));␊ |
| 867 | forcecache = true;␊ |
| 868 | ␉␉}␊ |
| 869 | ␉␉else␊ |
| 870 | ␉␉{␊ |
| 871 | ␉␉␉if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] > '6')␊ |
| 872 | ␉␉␉{␊ |
| 873 | ␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s", kDefaultCachePath);␊ |
| 874 | ␉␉␉}␊ |
| 875 | ␉␉␉else if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6')␊ |
| 876 | ␉␉␉{␊ |
| 877 | ␉␉␉␉␊ |
| 878 | ␉␉␉␉PlatformInfo *platformInfo = malloc(sizeof(PlatformInfo));␊ |
| 879 | ␉␉␉␉if (platformInfo)␊ |
| 880 | ␉␉␉␉{␊ |
| 881 | ␉␉␉␉␉␊ |
| 882 | ␉␉␉␉␉bzero(platformInfo, sizeof(PlatformInfo));␊ |
| 883 | ␉␉␉␉␉␊ |
| 884 | ␉␉␉␉␉if (GetgPlatformName())␊ |
| 885 | ␉␉␉␉␉␉strlcpy(platformInfo->platformName,GetgPlatformName(), sizeof(platformInfo->platformName)+1);␊ |
| 886 | ␉␉␉␉␉␊ |
| 887 | ␉␉␉␉␉if (GetgRootDevice())␊ |
| 888 | ␉␉␉␉␉{␊ |
| 889 | ␉␉␉␉␉␉char *rootPath_p = platformInfo->rootPath;␊ |
| 890 | ␉␉␉␉␉␉len = strlen(GetgRootDevice()) + 1;␊ |
| 891 | ␉␉␉␉␉␉if ((unsigned)len > sizeof(platformInfo->rootPath))␊ |
| 892 | ␉␉␉␉␉␉{␊ |
| 893 | ␉␉␉␉␉␉␉len = sizeof(platformInfo->rootPath);␊ |
| 894 | ␉␉␉␉␉␉}␊ |
| 895 | ␉␉␉␉␉␉memcpy(rootPath_p, GetgRootDevice(),len);␊ |
| 896 | ␉␉␉␉␉␉␊ |
| 897 | ␉␉␉␉␉␉rootPath_p += len;␊ |
| 898 | ␉␉␉␉␉␉␊ |
| 899 | ␉␉␉␉␉␉len = strlen(bootInfo->bootFile);␊ |
| 900 | ␉␉␉␉␉␉␊ |
| 901 | ␉␉␉␉␉␉if ((unsigned)(rootPath_p - platformInfo->rootPath + len) >=␊ |
| 902 | ␉␉␉␉␉␉␉sizeof(platformInfo->rootPath))␊ |
| 903 | ␉␉␉␉␉␉{␊ |
| 904 | ␉␉␉␉␉␉␉␊ |
| 905 | ␉␉␉␉␉␉␉len = sizeof(platformInfo->rootPath) -␊ |
| 906 | ␉␉␉␉␉␉␉(rootPath_p - platformInfo->rootPath);␊ |
| 907 | ␉␉␉␉␉␉}␊ |
| 908 | ␉␉␉␉␉␉memcpy(rootPath_p, bootInfo->bootFile, len);␊ |
| 909 | ␉␉␉␉␉␉␊ |
| 910 | ␉␉␉␉␉}␊ |
| 911 | ␉␉␉␉␉␊ |
| 912 | ␉␉␉␉␉if (!platformInfo->platformName[0] || !platformInfo->rootPath[0])␊ |
| 913 | ␉␉␉␉␉{␊ |
| 914 | ␉␉␉␉␉␉platformInfo->platformName[0] = platformInfo->rootPath[0] = 0;␊ |
| 915 | ␉␉␉␉␉}␊ |
| 916 | #ifdef rootpath␊ |
| 917 | SetgRootPath(platformInfo->rootPath);␊ |
| 918 | #endif␊ |
| 919 | ␉␉␉␉␉␊ |
| 920 | ␉␉␉␉␉Adler32 = OSSwapHostToBigInt32(local_adler32((unsigned char *)platformInfo, sizeof(PlatformInfo)));␊ |
| 921 | ␉␉␉␉␉safe_set_env(envAdler32, Adler32);␊ |
| 922 | ␉␉␉␉␉␊ |
| 923 | ␉␉␉␉␉free(platformInfo);␊ |
| 924 | ␉␉␉␉}␊ |
| 925 | ␉␉␉␉␊ |
| 926 | ␉␉␉␉DBG("Adler32: %08lX\n",Adler32);␊ |
| 927 | ␉␉␉␉␊ |
| 928 | ␉␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] < '6')␊ |
| 929 | ␉␉␉␉{␊ |
| 930 | ␉␉␉␉␉long flags, cachetime;␊ |
| 931 | ␉␉␉␉␉int ret = -1;␊ |
| 932 | ␉␉␉␉␉␊ |
| 933 | ␉␉␉␉␉if (Adler32) {␊ |
| 934 | ␉␉␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s.%08lX", "/System/Library/Caches/com.apple.kernelcaches/kernelcache",Adler32);␊ |
| 935 | ␉␉␉␉␉␉ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
| 936 | ␉␉␉␉␉}␊ |
| 937 | ␉␉␉␉␉␊ |
| 938 | ␉␉␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
| 939 | ␉␉␉␉␉{␊ |
| 940 | ␉␉␉␉␉␉safe_set_env(envAdler32, 0);␊ |
| 941 | ␉␉␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s", "/System/Library/Caches/com.apple.kernelcaches/kernelcache");␊ |
| 942 | ␉␉␉␉␉}␊ |
| 943 | ␉␉␉␉␉␊ |
| 944 | ␉␉␉␉} else if (Adler32)␊ |
| 945 | ␉␉␉␉␉snprintf(gBootKernelCacheFile, sizeof(gBootKernelCacheFile), "%s_%s.%08lX", kDefaultCachePath, (get_env(envarchCpuType) == CPU_TYPE_I386) ? "i386" : "x86_64", Adler32); //Snow Leopard␊ |
| 946 | ␉␉␉␉␊ |
| 947 | ␉␉␉}␊ |
| 948 | ␉␉}␊ |
| 949 | ␉}␊ |
| 950 | }␊ |
| 951 | ␊ |
| 952 | static void getRootDevice(void)␊ |
| 953 | {␊ |
| 954 | ␉// Maximum config table value size␊ |
| 955 | #define VALUE_SIZE 2048␊ |
| 956 | ␉bool uuidSet = false;␊ |
| 957 | ␉const char *val = 0;␊ |
| 958 | int cnt = 0;␊ |
| 959 | ␉␊ |
| 960 | ␉if (getValueForKey(kBootUUIDKey, &val, &cnt, DEFAULT_BOOT_CONFIG))␊ |
| 961 | ␉{␊ |
| 962 | ␉␉uuidSet = true;␊ |
| 963 | ␉}␊ |
| 964 | ␉else␊ |
| 965 | ␉{␊ |
| 966 | ␉␉if (getValueForBootKey(bootArgs->CommandLine, kRootDeviceKey, &val, &cnt))␊ |
| 967 | ␉␉{␊ |
| 968 | ␉␉␉if (*val == '*' && *(val + 1) != '/' && *(val + 1) != 'u')␊ |
| 969 | ␉␉␉{␊ |
| 970 | ␉␉␉␉val += 1; //skip the *␊ |
| 971 | ␉␉␉␉uuidSet = true;␊ |
| 972 | ␉␉␉␉␊ |
| 973 | ␉␉␉}␊ |
| 974 | ␉␉␉else if (*val == '*' && *(val + 1) == 'u')␊ |
| 975 | ␉␉␉{␊ |
| 976 | ␉␉␉␉␊ |
| 977 | ␉␉␉␉if ( getValueForKey( kBootDeviceKey, &val, &cnt, DEFAULT_BOOT_CONFIG))␊ |
| 978 | ␉␉␉␉␉uuidSet = true;␊ |
| 979 | ␉␉␉␉␊ |
| 980 | ␉␉␉}␊ |
| 981 | ␉␉}␊ |
| 982 | ␉␉else␊ |
| 983 | ␉␉{␊ |
| 984 | #ifdef BOOT_HELPER_SUPPORT␊ |
| 985 | ␉␉␉//␊ |
| 986 | ␉␉␉// Try an alternate method for getting the root UUID on boot helper partitions.␊ |
| 987 | ␉␉␉//␊ |
| 988 | ␉␉␉if (((BVRef)(uint32_t)get_env(envgBootVolume))->flags & kBVFlagBooter)␊ |
| 989 | ␉␉␉{␊ |
| 990 | ␉␉␉␉if((loadHelperConfig() == 0)␊ |
| 991 | ␉␉␉␉ && getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )␊ |
| 992 | ␉␉␉␉{␊ |
| 993 | ␉␉␉␉␉getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);␊ |
| 994 | ␉␉␉␉␉uuidSet = true;␊ |
| 995 | ␉␉␉␉␉goto out;␊ |
| 996 | ␉␉␉␉}␊ |
| 997 | ␉␉␉}␊ |
| 998 | #endif␊ |
| 999 | ␉␉␉if ( getValueForKey( kBootDeviceKey, &val, &cnt, DEFAULT_BOOT_CONFIG))␊ |
| 1000 | ␉␉␉{␊ |
| 1001 | ␉␉␉␉int ArgCntRemaining = (int)get_env(envArgCntRemaining);␊ |
| 1002 | ␉␉␉␉uuidSet = false;␊ |
| 1003 | ␉␉␉␉char * valueBuffer;␊ |
| 1004 | ␉␉␉␉valueBuffer = malloc(VALUE_SIZE);␊ |
| 1005 | if (!valueBuffer) {␊ |
| 1006 | return;␊ |
| 1007 | }␊ |
| 1008 | ␉␉␉␉char * argP = bootArgs->CommandLine;␊ |
| 1009 | ␉␉␉␉valueBuffer[0] = '*';␊ |
| 1010 | ␉␉␉␉if (cnt > VALUE_SIZE)␊ |
| 1011 | ␉␉␉␉{␊ |
| 1012 | ␉␉␉␉␉cnt = VALUE_SIZE;␊ |
| 1013 | ␉␉␉␉}␊ |
| 1014 | ␉␉␉␉strlcpy(valueBuffer + 1, val, cnt+1);␊ |
| 1015 | ␉␉␉␉if (!copyArgument( kRootDeviceKey, valueBuffer, cnt, &argP, &ArgCntRemaining))␊ |
| 1016 | ␉␉␉␉{␊ |
| 1017 | ␉␉␉␉␉free(valueBuffer);␊ |
| 1018 | ␉␉␉␉␉printf("Error: boot arguments too long, unable to set root device !!");␊ |
| 1019 | ␉␉␉␉␉getc();␊ |
| 1020 | ␉␉␉␉␉return;␊ |
| 1021 | ␉␉␉␉}␊ |
| 1022 | safe_set_env(envArgCntRemaining,ArgCntRemaining);␊ |
| 1023 | ␉␉␉␉free(valueBuffer);␊ |
| 1024 | ␉␉␉␉goto out;␊ |
| 1025 | ␉␉␉}␊ |
| 1026 | ␉␉␉␊ |
| 1027 | ␉␉␉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))␊ |
| 1028 | ␉␉␉{␊ |
| 1029 | ␉␉␉␉verbose("Setting boot-uuid to: %s\n", bootInfo->uuidStr);␊ |
| 1030 | ␉␉␉␉//uuidSet = true;␊ |
| 1031 | ␉␉␉␉SetgRootDevice(bootInfo->uuidStr);␊ |
| 1032 | ␉␉␉␉return;␊ |
| 1033 | ␉␉␉}␊ |
| 1034 | ␊ |
| 1035 | ␉␉}␊ |
| 1036 | ␉}␊ |
| 1037 | ␊ |
| 1038 | out:␊ |
| 1039 | ␉verbose("Setting %s to: %s\n", uuidSet ? kBootUUIDKey : "root device", (char* )val);␊ |
| 1040 | SetgRootDevice(val);␊ |
| 1041 | }␊ |
| 1042 | ␊ |
| 1043 | static bool find_file_with_ext(const char* dir, const char *ext, const char * name_to_compare, size_t ext_size)␊ |
| 1044 | {␊ |
| 1045 | long ret, length, flags, time;␊ |
| 1046 | long long␉ index;␊ |
| 1047 | const char * name;␊ |
| 1048 | ␊ |
| 1049 | ␉DBG("FileLoadBundles in %s\n",dirSpec);␊ |
| 1050 | ␊ |
| 1051 | index = 0;␊ |
| 1052 | while (1) {␊ |
| 1053 | ret = GetDirEntry(dir, &index, &name, &flags, &time);␊ |
| 1054 | if (ret == -1) break;␊ |
| 1055 | ␉␉␊ |
| 1056 | // Make sure this is not a directory.␊ |
| 1057 | if ((flags & kFileTypeMask) != kFileTypeFlat) continue;␊ |
| 1058 | ␊ |
| 1059 | // Make sure this is a kext or mkext.␊ |
| 1060 | length = strlen(name);␊ |
| 1061 | if (strncmp(name + length - ext_size, ext, ext_size)) continue;␊ |
| 1062 | ␉␉␊ |
| 1063 | if (name_to_compare)␊ |
| 1064 | {␊ |
| 1065 | if (strcmp(name, name_to_compare) == 0)␊ |
| 1066 | {␊ |
| 1067 | DBG("found : %s\n", name);␊ |
| 1068 | return true;␊ |
| 1069 | }␊ |
| 1070 | }␊ |
| 1071 | else␊ |
| 1072 | {␊ |
| 1073 | DBG("found : %s\n", name);␊ |
| 1074 | return true;␊ |
| 1075 | }␊ |
| 1076 | ␉␉␊ |
| 1077 | }␊ |
| 1078 | ␉return false;␊ |
| 1079 | }␊ |
| 1080 | ␊ |
| 1081 | // If a kext is found in /Extra/Extentions return true␊ |
| 1082 | // If a mkext is found in /Extra return true␊ |
| 1083 | // Otherwise return false␊ |
| 1084 | // Tips (if you still want to use extra kext(s)/mkext(s) ):␊ |
| 1085 | // 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),␊ |
| 1086 | // so it's recommended to create a system mkext by yourself to decrease boot time (see the kextcache commandline)␊ |
| 1087 | static bool found_extra_kext(void)␊ |
| 1088 | {␊ |
| 1089 | #define EXTENSIONS "Extensions"␊ |
| 1090 | #define MKEXT_EXT ".mkext"␊ |
| 1091 | #define MKEXT_EXT_SIZE strlen(MKEXT_EXT)␊ |
| 1092 | #define KEXT_EXT ".kext"␊ |
| 1093 | #define KEXT_EXT_SIZE strlen(KEXT_EXT)␊ |
| 1094 | ␉␊ |
| 1095 | ␉long flags;␊ |
| 1096 | ␉long exttime;␊ |
| 1097 | ␉int ret = -1;␊ |
| 1098 | ␉␊ |
| 1099 | ␉ret = GetFileInfo("rd(0,0)/Extra/", EXTENSIONS, &flags, &exttime);␊ |
| 1100 | ␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeFlat))␊ |
| 1101 | ␉{␊ |
| 1102 | ␉␉if (((flags & kFileTypeMask) == kFileTypeFlat))␊ |
| 1103 | ␉␉{␊ |
| 1104 | ␉␉␉if (find_file_with_ext("rd(0,0)/Extra/", MKEXT_EXT, EXTENSIONS, MKEXT_EXT_SIZE))␊ |
| 1105 | ␉␉␉{␊ |
| 1106 | ␉␉␉␉return true;␊ |
| 1107 | ␉␉␉}␊ |
| 1108 | ␉␉}␊ |
| 1109 | ␉␉else if (((flags & kFileTypeMask) == kFileTypeDirectory))␊ |
| 1110 | ␉␉{␊ |
| 1111 | ␉␉␉if (find_file_with_ext("rd(0,0)/Extra/Extensions/", KEXT_EXT, NULL, KEXT_EXT_SIZE))␊ |
| 1112 | ␉␉␉{␊ |
| 1113 | ␉␉␉␉return true;␊ |
| 1114 | ␉␉␉}␊ |
| 1115 | ␉␉}␊ |
| 1116 | ␉}␊ |
| 1117 | ␉ret = GetFileInfo("/Extra/", EXTENSIONS, &flags, &exttime);␊ |
| 1118 | ␉if (ret == 0)␊ |
| 1119 | ␉{␊ |
| 1120 | ␉␉if (((flags & kFileTypeMask) == kFileTypeFlat))␊ |
| 1121 | ␉␉{␊ |
| 1122 | ␉␉␉if (find_file_with_ext("/Extra/", MKEXT_EXT, EXTENSIONS, MKEXT_EXT_SIZE))␊ |
| 1123 | ␉␉␉{␊ |
| 1124 | ␉␉␉␉return true;␊ |
| 1125 | ␉␉␉}␊ |
| 1126 | ␉␉}␊ |
| 1127 | ␉␉else if (((flags & kFileTypeMask) == kFileTypeDirectory))␊ |
| 1128 | ␉␉{␊ |
| 1129 | ␉␉␉if (find_file_with_ext("/Extra/Extensions/", KEXT_EXT, NULL, KEXT_EXT_SIZE))␊ |
| 1130 | ␉␉␉{␊ |
| 1131 | ␉␉␉␉return true;␊ |
| 1132 | ␉␉␉}␊ |
| 1133 | ␉␉}␊ |
| 1134 | ␉}␊ |
| 1135 | ␉ret = GetFileInfo("bt(0,0)/Extra/", EXTENSIONS, &flags, &exttime);␊ |
| 1136 | ␉if (ret == 0)␊ |
| 1137 | ␉{␊ |
| 1138 | ␉␉if (((flags & kFileTypeMask) == kFileTypeFlat))␊ |
| 1139 | ␉␉{␊ |
| 1140 | ␉␉␉if (find_file_with_ext("bt(0,0)/Extra/", MKEXT_EXT, EXTENSIONS, MKEXT_EXT_SIZE))␊ |
| 1141 | ␉␉␉{␊ |
| 1142 | ␉␉␉␉return true;␊ |
| 1143 | ␉␉␉}␊ |
| 1144 | ␉␉}␊ |
| 1145 | ␉␉else if (((flags & kFileTypeMask) == kFileTypeDirectory))␊ |
| 1146 | ␉␉{␊ |
| 1147 | ␉␉␉if (find_file_with_ext("bt(0,0)/Extra/Extensions/", KEXT_EXT, NULL, KEXT_EXT_SIZE))␊ |
| 1148 | ␉␉␉{␊ |
| 1149 | ␉␉␉␉return true;␊ |
| 1150 | ␉␉␉}␊ |
| 1151 | ␉␉}␊ |
| 1152 | ␉}␊ |
| 1153 | ␉DBG("NO Extra Mkext/Kext found\n");␊ |
| 1154 | ␉␊ |
| 1155 | ␉// nothing found␊ |
| 1156 | ␉return false;␊ |
| 1157 | }␊ |
| 1158 | ␊ |
| 1159 | #if 0␊ |
| 1160 | static char *FIXED_BOOTFILE_PATH(char * str)␊ |
| 1161 | {␊ |
| 1162 | ␉char bootfile[128];␊ |
| 1163 | ␉␊ |
| 1164 | ␉bool bootFileWithDevice = false;␊ |
| 1165 | ␉// Check if bootFile start with a device ex: bt(0,0)/Extra/mach_kernel␊ |
| 1166 | ␉if (strncmp(str,"bt(",3) == 0 ||␊ |
| 1167 | ␉␉strncmp(str,"hd(",3) == 0 ||␊ |
| 1168 | ␉␉strncmp(str,"rd(",3) == 0)␊ |
| 1169 | ␉{␊ |
| 1170 | ␉␉bootFileWithDevice = true;␊ |
| 1171 | ␉}␊ |
| 1172 | ␊ |
| 1173 | ␉// bootFile must start with a / if it not start with a device name␊ |
| 1174 | ␉if (!bootFileWithDevice && (str)[0] != '/')␊ |
| 1175 | ␉␉snprintf(bootFile, sizeof(bootfile), "/%s", str); // append a leading /␊ |
| 1176 | ␉else␊ |
| 1177 | ␉␉strlcpy(bootFile, bootInfo->bootFile, sizeof(bootFile));␊ |
| 1178 | ␉␊ |
| 1179 | ␉return bootfile;␊ |
| 1180 | }␊ |
| 1181 | #endif␊ |
| 1182 | |
