| ␉while (1)␊ |
| ␉{␊ |
| ␉␉bool␉␉tryresume, tryresumedefault, forceresume;␊ |
| ␉␉bool␉␉usecache = false;//true;␊ |
| ␉␉bool␉␉useKernelCache = false; // by default don't use prelink kernel cache␊ |
| ␉␉const char␉*val;␊ |
| ␉␉int␉␉␉len, trycache, ret = -1;␊ |
| ␉␉long␉␉flags, cachetime, kerneltime, exttime, sleeptime, time;␊ |
|
| ␉␉␉break;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␉␉getBoolForKey(kUseKernelCache, &usecache, &bootInfo->chameleonConfig);␊ |
| ␉␉if (usecache) {␊ |
| ␉␉// If boot from boot helper partitions and OS is Lion use prelink kernel.␊ |
| ␉␉// We need to find a solution to load extra mkext with a prelink kernel.␊ |
| ␉␉if (gBootVolume->flags & kBVFlagBooter && checkOSVersion("10.7")) {␊ |
| ␉␉␉verbose("Booting from Lion RAID volume so forcing to use KernelCache\n");␊ |
| ␉␉␉useKernelCache = true;␊ |
| ␉␉} else {␊ |
| ␉␉␉getBoolForKey(kUseKernelCache, &useKernelCache, &bootInfo->chameleonConfig);␊ |
| ␉␉}␊ |
| ␊ |
| ␉␉if (useKernelCache) {␊ |
| ␉␉␉if (getValueForKey(kKernelCacheKey, &val, &len, &bootInfo->bootConfig)) {␊ |
| ␉␉␉␉if (val[0] == '\\')␊ |
| ␉␉␉␉{␊ |
|
| ␉␉␉␉strlcpy(gBootKernelCacheFile, val, len + 1);␊ |
| ␉␉␉}␊ |
| ␉␉␉else {␊ |
| ␉␉␉␉//Lion␊ |
| ␉␉␉␉// Lion prelink kernel cache file␊ |
| ␉␉␉␉if (checkOSVersion("10.7")) {␊ |
| ␉␉␉␉␉sprintf(gBootKernelCacheFile, "%skernelcache", kDefaultCachePathSnow);␊ |
| ␉␉␉␉}␊ |
| ␉␉␉␉// Snow Leopard␊ |
| ␉␉␉␉// Snow Leopard prelink kernel cache file␊ |
| ␉␉␉␉else if (checkOSVersion("10.6")) {␊ |
| ␉␉␉␉␉sprintf(gBootKernelCacheFile, "kernelcache_%s", (archCpuType == CPU_TYPE_I386)␊ |
| ␉␉␉␉␉␉␉? "i386" : "x86_64");␊ |
|
| ␉␉}␊ |
| ␉␉␊ |
| ␉␉// Check for cache file.␊ |
| ␉␉trycache = (usecache && ␊ |
| ␉␉trycache = (useKernelCache &&␊ |
| ␉␉␉␉␉((gBootMode & kBootModeSafe) == 0) &&␊ |
| ␉␉␉␉␉!gOverrideKernel &&␊ |
| ␉␉␉␉␉(gBootFileType == kBlockDeviceType) &&␊ |
|
| ␉␉␉␉␉(gBootKernelCacheFile[0] != '\0'));␊ |
| ␉␉␊ |
| ␉␉verbose("Loading Darwin %s\n", gMacOSVersion);␊ |
| ␉␉␊ |
| ␊ |
| ␉␉// Check if the kernel cache file exists and is more recent (mtime) than␊ |
| ␉␉// the kernel file or the S/L/E directory␊ |
| ␊ |
| ␉␉if (trycache) do {␊ |
| ␉␉␉ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);␊ |
| ␉␉␉if (ret != 0) kerneltime = 0;␊ |
| ␉␉␉else if ((flags & kFileTypeMask) != kFileTypeFlat) {␊ |
| ␊ |
| ␉␉␉ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
| ␉␉␉// Check if the kernel cache file exist␊ |
| ␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
| ␉␉␉␉trycache = 0;␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␉␉␉ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊ |
| ␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
| ␉␉␉␉|| (cachetime < kerneltime)) {␊ |
| ␊ |
| ␉␉␉ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);␊ |
| ␉␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
| ␉␉␉␉kerneltime = -1;␊ |
| ␉␉␉// Check if the kernel file is more recent than the cache file␊ |
| ␉␉␉if (kerneltime > cachetime) {␊ |
| ␉␉␉␉trycache = 0;␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␊ |
| ␉␉␉ret = GetFileInfo("/System/Library/", "Extensions", &flags, &exttime);␊ |
| ␉␉␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)␊ |
| ␉␉␉␉&& (cachetime < exttime)) {␊ |
| ␉␉␉if ((ret != 0) && ((flags & kFileTypeMask) != kFileTypeDirectory))␊ |
| ␉␉␉␉exttime = -1;␊ |
| ␉␉␉// Check if the S/L/E directory time is more recent than the cache file␊ |
| ␉␉␉if (exttime > cachetime) {␊ |
| ␉␉␉␉trycache = 0;␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␉␉␉if (ret == 0 && kerneltime > exttime) {␊ |
| ␉␉␉␉exttime = kerneltime;␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␉␉␉if (ret == 0 && cachetime != (exttime + 1)) {␊ |
| ␉␉␉␉trycache = 0;␊ |
| ␉␉␉␉break;␊ |
| ␉␉␉}␊ |
| ␉␉} while (0);␊ |
| ␊ |
| ␉␉do {␊ |
