| ␉␉// Lion, Mountain Lion and Mavericks prelink kernel cache file␊ |
| ␉␉if ((checkOSVersion("10.7")) || (checkOSVersion("10.8")) || (checkOSVersion("10.9")))␊ |
| ␉␉{␊ |
| ␉␉␉sprintf(kernelCacheFile, "%skernelcache", kDefaultCachePathSnow);␊ |
| snprintf(kernelCacheFile, sizeof(kernelCacheFile), "%skernelcache", kDefaultCachePathSnow);␊ |
| ␉␉}␊ |
| ␉␉// Snow Leopard prelink kernel cache file␊ |
| ␉␉else if (checkOSVersion("10.6")) {␊ |
| ␉␉␉sprintf(kernelCacheFile, "kernelcache_%s", (archCpuType == CPU_TYPE_I386)␊ |
| ␉␉␉␉␉? "i386" : "x86_64");␊ |
| ␉␉␉int lnam = strlen(kernelCacheFile) + 9; //with adler32␊ |
| snprintf(kernelCacheFile, sizeof(kernelCacheFile), "kernelcache_%s",␊ |
| (archCpuType == CPU_TYPE_I386) ? "i386" : "x86_64");␊ |
| int lnam = strlen(kernelCacheFile) + 9; //with adler32␊ |
| ␊ |
| ␉␉␉char* name;␊ |
| ␉␉␉long prev_time = 0;␊ |
| char* name;␊ |
| long prev_time = 0;␊ |
| ␊ |
| ␉␉␉struct dirstuff* cacheDir = opendir(kDefaultCachePathSnow);␊ |
| ␊ |
| ␉␉␉while(readdir(cacheDir, (const char**)&name, &flags, &time) >= 0)␊ |
| ␉␉␉{␊ |
| ␉␉␉␉if (((flags & kFileTypeMask) != kFileTypeDirectory) && time > prev_time␊ |
| ␉␉␉␉␉&& strstr(name, kernelCacheFile) && (name[lnam] != '.'))␊ |
| ␉␉␉␉{␊ |
| ␉␉␉␉␉sprintf(kernelCacheFile, "%s%s", kDefaultCachePathSnow, name);␊ |
| ␉␉␉␉␉prev_time = time;␊ |
| ␉␉␉␉}␊ |
| ␉␉␉}␊ |
| struct dirstuff* cacheDir = opendir(kDefaultCachePathSnow);␊ |
| /* TODO: handle error? */␊ |
| if (cacheDir) {␊ |
| while (readdir(cacheDir, (const char**)&name, &flags, &time) >= 0) {␊ |
| if (((flags & kFileTypeMask) != kFileTypeDirectory) && time > prev_time␊ |
| && strstr(name, kernelCacheFile) && (name[lnam] != '.')) {␊ |
| snprintf(kernelCacheFile, sizeof(kernelCacheFile), "%s%s", kDefaultCachePathSnow, name);␊ |
| prev_time = time;␊ |
| }␊ |
| }␊ |
| }␊ |
| closedir(cacheDir);␊ |
| ␉␉}␊ |
| ␉␉else {␊ |
| ␉␉␉// Reset cache name.␊ |
| ␉␉␉bzero(gCacheNameAdler + 64, sizeof(gCacheNameAdler) - 64);␊ |
| ␉␉␉sprintf(gCacheNameAdler + 64, "%s,%s", gRootDevice, bootInfo->bootFile);␊ |
| ␉␉␉adler32 = Adler32((unsigned char *)gCacheNameAdler, sizeof(gCacheNameAdler));␊ |
| ␉␉␉sprintf(kernelCacheFile, "%s.%08lX", kDefaultCachePathLeo, adler32);␊ |
| // Reset cache name.␊ |
| bzero(gCacheNameAdler + 64, sizeof(gCacheNameAdler) - 64);␊ |
| snprintf(gCacheNameAdler + 64, sizeof(gCacheNameAdler) - 64,␊ |
| "%s,%s",␊ |
| gRootDevice, bootInfo->bootFile);␊ |
| adler32 = Adler32((unsigned char *)gCacheNameAdler, sizeof(gCacheNameAdler));␊ |
| snprintf(kernelCacheFile, sizeof(kernelCacheFile), "%s.%08lX", kDefaultCachePathLeo, adler32);␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␊ |
|
| ␊ |
| ␉// If boot from a boot helper partition check the kernel cache file on it␊ |
| ␉if (gBootVolume->flags & kBVFlagBooter) {␊ |
| ␉␉sprintf(kernelCachePath, "com.apple.boot.P%s", kernelCacheFile);␊ |
| ␉␉ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| ␉␉if ((ret == -1) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
| ␉␉{␊ |
| ␉␉␉sprintf(kernelCachePath, "com.apple.boot.R%s", kernelCacheFile);␊ |
| ␉␉␉ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| ␉␉␉if ((ret == -1) || ((flags & kFileTypeMask) != kFileTypeFlat))␊ |
| ␉␉␉{␊ |
| ␉␉␉␉sprintf(kernelCachePath, "com.apple.boot.S%s", kernelCacheFile);␊ |
| ␉␉␉␉ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| ␉␉␉␉if ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
| ␉␉␉␉␉ret = -1;␊ |
| ␉␉␉}␊ |
| ␉␉}␊ |
| snprintf(kernelCachePath, sizeof(kernelCachePath), "com.apple.boot.P%s", kernelCacheFile);␊ |
| ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| if ((ret == -1) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
| snprintf(kernelCachePath, sizeof(kernelCachePath), "com.apple.boot.R%s", kernelCacheFile);␊ |
| ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| if ((ret == -1) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊ |
| snprintf(kernelCachePath, sizeof(kernelCachePath), "com.apple.boot.S%s", kernelCacheFile);␊ |
| ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| if ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
| ret = -1;␊ |
| }␊ |
| }␊ |
| ␉}␊ |
| ␉// If not found, use the original kernel cache path.␊ |
| ␉if (ret == -1) {␊ |
| ␉␉strcpy(kernelCachePath, kernelCacheFile);␊ |
| ␉␉ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| ␉␉if ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
| ␉␉␉ret = -1;␊ |
| strlcpy(kernelCachePath, kernelCacheFile, sizeof(kernelCachePath));␊ |
| ret = GetFileInfo(NULL, kernelCachePath, &flags, &cachetime);␊ |
| if ((flags & kFileTypeMask) != kFileTypeFlat)␊ |
| ret = -1;␊ |
| ␉}␊ |
| ␊ |
| ␉// Exit if kernel cache file wasn't found␊ |
|
| ␉␉␉␉␉len--;␊ |
| ␉␉␉␉␉val++;␊ |
| ␉␉␉␉}␊ |
| ␉␉␉␉strlcpy(kernelCacheFile, val, len + 1);␊ |
| ␉␉␉␉/* FIXME: check len vs sizeof(kernelCacheFile) */␊ |
| strlcpy(kernelCacheFile, val, len + 1);␊ |
| ␉␉␉} else {␊ |
| ␉␉␉␉kernelCacheFile[0] = 0; // Use default kernel cache file␊ |
| ␉␉␉}␊ |
|
| ␊ |
| ␉␉␉// bootFile must start with a / if it not start with a device name␊ |
| ␉␉␉if (!bootFileWithDevice && (bootInfo->bootFile)[0] != '/')␊ |
| ␉␉␉␉sprintf(bootFile, "/%s", bootInfo->bootFile); // append a leading /␊ |
| ␉␉␉␉snprintf(bootFile, sizeof(bootFile), "/%s", bootInfo->bootFile); // append a leading /␊ |
| ␉␉␉else␊ |
| ␉␉␉␉strlcpy(bootFile, bootInfo->bootFile, sizeof(bootFile));␊ |
| ␊ |
| ␉␉␉// Try to load kernel image from alternate locations on boot helper partitions.␊ |
| ␉␉␉ret = -1;␊ |
| ␉␉␉if ((gBootVolume->flags & kBVFlagBooter) && !bootFileWithDevice) {␊ |
| ␉␉␉␉sprintf(bootFilePath, "com.apple.boot.P%s", bootFile);␊ |
| ␉␉␉␉snprintf(bootFilePath, sizeof(bootFilePath), "com.apple.boot.P%s", bootFile);␊ |
| ␉␉␉␉ret = GetFileInfo(NULL, bootFilePath, &flags, &time);␊ |
| ␉␉␉␉if (ret == -1)␊ |
| ␉␉␉␉{␊ |
| ␉␉␉␉␉sprintf(bootFilePath, "com.apple.boot.R%s", bootFile);␊ |
| ␉␉␉␉␉snprintf(bootFilePath, sizeof(bootFilePath), "com.apple.boot.R%s", bootFile);␊ |
| ␉␉␉␉␉ret = GetFileInfo(NULL, bootFilePath, &flags, &time);␊ |
| ␉␉␉␉␉if (ret == -1)␊ |
| ␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉sprintf(bootFilePath, "com.apple.boot.S%s", bootFile);␊ |
| ␉␉␉␉␉␉snprintf(bootFilePath, sizeof(bootFilePath), "com.apple.boot.S%s", bootFile);␊ |
| ␉␉␉␉␉␉ret = GetFileInfo(NULL, bootFilePath, &flags, &time);␊ |
| ␉␉␉␉␉}␊ |
| ␉␉␉␉}␊ |
| ␉␉␉}␊ |
| ␉␉␉if (ret == -1) {␊ |
| ␉␉␉␉// No alternate location found, using the original kernel image path.␊ |
| ␉␉␉␉strlcpy(bootFilePath, bootFile,sizeof(bootFilePath));␊ |
| ␉␉␉␉strlcpy(bootFilePath, bootFile, sizeof(bootFilePath));␊ |
| ␉␉␉}␊ |
| ␉␉␉␊ |
| ␉␉␉verbose("Loading kernel %s\n", bootFilePath);␊ |
|
| ␊ |
| static void getOSVersion()␊ |
| {␊ |
| ␉strlcpy(gMacOSVersion, gBootVolume->OSVersion, sizeof(gMacOSVersion));␊ |
| ␉strncpy(gMacOSVersion, gBootVolume->OSVersion, sizeof(gMacOSVersion));␊ |
| }␊ |
| ␊ |
| #define BASE 65521L /* largest prime smaller than 65536 */␊ |
