Chameleon

Chameleon Commit Details

Date:2011-07-04 19:22:29 (12 years 9 months ago)
Author:Evan Lojewski
Commit:1103
Parents: 1102
Message:com.apple.Boot.plist is now loaded in a more sane way. Modified kernelcache support.
Changes:
M/trunk/i386/boot2/drivers.c
M/trunk/i386/boot2/boot.c
M/trunk/i386/boot2/boot.h
M/trunk/i386/boot2/modules.c
M/trunk/i386/libsaio/saio_internal.h
M/trunk/i386/boot2/options.c
M/trunk/i386/libsaio/stringTable.c
M/trunk/i386/libsaio/sys.c

File differences

trunk/i386/libsaio/sys.c
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␊
for (idx = len; idx && (name[idx] != '/' && name[idx] != '\\'); idx--) {}␊
if (idx == 0) {␊
if(name[idx] == '/' || name[idx] == '\\') ++name; // todo: ensure other functions handel \ properly␊
gMakeDirSpec[0] = '/';␊
gMakeDirSpec[1] = '\0';␊
} else {␊
trunk/i386/libsaio/stringTable.c
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␊
#include "bootstruct.h"␊
#include "libsaio.h"␊
#include "boot.h"␊
#include "xml.h"␊
␊
extern char *Language;␊
int loadSystemConfig(config_file_t *config)␊
{␊
␉char *dirspec[] = {␊
␉␉"/Extra/com.apple.Boot.plist",␊
␉␉"bt(0,0)/Extra/com.apple.Boot.plist",␊
␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊
␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊
␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊
␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊
␉};␊
␊
␉int i, fd, count, ret=-1;␊
␉return ret;␊
}␊
␊
/* loadOverrideConfig␊
/* loadChameleonConfig␊
*␊
* Returns 0 - successful.␊
*␉␉ -1 - unsuccesful.␊
*/␊
int loadOverrideConfig(config_file_t *config)␊
int loadChameleonConfig(config_file_t *config)␊
{␊
␉char *dirspec[] = {␊
␉␉"rd(0,0)/Extra/com.apple.Boot.plist",␊
␉␉"/Extra/com.apple.Boot.plist",␊
␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊
␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊
␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊
␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊
␉};␊
␊
␉int i, fd, count, ret=-1;␊
trunk/i386/libsaio/saio_internal.h
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extern int loadConfigFile(const char *configFile, config_file_t *configBuff);␊
extern int loadSystemConfig(config_file_t *configBuff);␊
extern int loadHelperConfig(config_file_t *configBuff);␊
extern int loadOverrideConfig(config_file_t *configBuff);␊
extern int loadChameleonConfig(config_file_t *configBuff);␊
extern char * newString(const char *oldString);␊
extern char * getNextArg(char ** ptr, char * val);␊
extern int␉ ParseXMLFile( char * buffer, TagPtr * dict );␊
trunk/i386/boot2/drivers.c
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␉ }␊
␉ }␊
}␊
␊
// Also try to load Extensions from boot helper partitions.␊
if (gBootVolume->flags & kBVFlagBooter)␊
if(!gHaveKernelCache)␊
{␊
strcpy(dirSpecExtra, "/com.apple.boot.P/System/Library/");␊
if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊
// Don't load main driver (from /System/Library/Extentions) if gHaveKernelCache is set.␊
// since these drivers will already be in the kernel cache.␊
// NOTE: when gHaveKernelCache, xnu cannot (by default) load *any* extra kexts from the bootloader.␊
// The /Extra code is not disabled in this case due to a kernel patch that allows for this to happen.␊
␊
// Also try to load Extensions from boot helper partitions.␊
if (gBootVolume->flags & kBVFlagBooter)␊
{␊
strcpy(dirSpecExtra, "/com.apple.boot.R/System/Library/");␊
strcpy(dirSpecExtra, "/com.apple.boot.P/System/Library/");␊
if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊
{␊
strcpy(dirSpecExtra, "/com.apple.boot.S/System/Library/");␊
FileLoadDrivers(dirSpecExtra, 0);␊
strcpy(dirSpecExtra, "/com.apple.boot.R/System/Library/");␊
if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊
{␊
strcpy(dirSpecExtra, "/com.apple.boot.S/System/Library/");␊
FileLoadDrivers(dirSpecExtra, 0);␊
}␊
}␊
}␊
}␊
␊
if (gMKextName[0] != '\0')␊
{␊
verbose("LoadDrivers: Loading from [%s]\n", gMKextName);␊
if ( LoadDriverMKext(gMKextName) != 0 )␊
␊
if (gMKextName[0] != '\0')␊
{␊
error("Could not load %s\n", gMKextName);␊
return -1;␊
verbose("LoadDrivers: Loading from [%s]\n", gMKextName);␊
if ( LoadDriverMKext(gMKextName) != 0 )␊
{␊
error("Could not load %s\n", gMKextName);␊
return -1;␊
}␊
}␊
else␊
{␊
strcpy(gExtensionsSpec, dirSpec);␊
strcat(gExtensionsSpec, "System/Library/");␊
FileLoadDrivers(gExtensionsSpec, 0);␊
}␊
␊
}␊
else␊
{␊
strcpy(gExtensionsSpec, dirSpec);␊
strcat(gExtensionsSpec, "System/Library/");␊
FileLoadDrivers(gExtensionsSpec, 0);␊
}␊
}␊
else␊
{␊
trunk/i386/boot2/boot.c
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*/␊
#define kBootErrorTimeout 5␊
␊
/*␊
* Default path to kernel cache file␊
*/␊
//Slice - first one for Leopard␊
#define kDefaultCachePathLeo "/System/Library/Caches/com.apple.kernelcaches/"␊
#define kDefaultCachePathSnow "/System/Library/Caches/com.apple.kext.caches/Startup/"␊
␊
//==========================================================================␊
// Zero the BSS.␊
␉execute_hook("DecodedKernel", (void*)binary, NULL, NULL, NULL);␊
␉␊
␉// Load boot drivers from the specifed root path.␊
␉if (!gHaveKernelCache)␊
␉␉LoadDrivers("/");␊
//if (!gHaveKernelCache)␊
LoadDrivers("/");␊
␉␊
␉␊
␉clearActivityIndicator();␊
bool firstRun = true;␊
bool instantMenu;␊
bool rescanPrompt;␊
unsigned int allowBVFlags = kBVFlagSystemVolume|kBVFlagForeignBoot;␊
unsigned int allowBVFlags = kBVFlagSystemVolume | kBVFlagForeignBoot;␊
unsigned int denyBVFlags = kBVFlagEFISystem;␊
␊
// Set reminder to unload the PXE base code. Neglect to unload␊
setBootGlobals(bvChain);␊
␊
// Load boot.plist config file␊
status = loadSystemConfig(&bootInfo->bootConfig);␊
status = loadChameleonConfig(&bootInfo->overrideConfig);␊
␊
if (getBoolForKey(kQuietBootKey, &quiet, &bootInfo->bootConfig) && quiet) {␊
gBootMode |= kBootModeQuiet;␊
␉␉␉␉archCpuType = CPU_TYPE_I386;␊
␉␉␉}␊
␉␉}␊
␊
//archCpuType = CPU_TYPE_I386;␊
␊
␉␉// Notify moduals that we are attempting to boot␊
␉␉execute_hook("PreBoot", NULL, NULL, NULL, NULL);␊
␊
␉␉getBoolForKey(kUseKernelCache, &usecache, &bootInfo->bootConfig);␊
␉␉if(usecache) {␊
␉␉␉if (getValueForKey(kKernelCacheKey, &val, &len, &bootInfo->bootConfig)) {␊
//ugly hack. FIX THIS␊
if(strcmp(val, "\\kernelcache") == 0) strlcpy(gBootKernelCacheFile, "kernelcache", sizeof("kernelcache"));␊
␉␉␉␉else strlcpy(gBootKernelCacheFile, val, len+1);␊
if(val[0] == '\\')␊
{␊
len--;␊
val++;␊
}␊
strlcpy(gBootKernelCacheFile, val, len+1);␊
␉␉␉}␊
␉␉␉else {␊
␉␉␉␉//Lion␊
␉␉verbose("Loading Darwin %s\n", gMacOSVersion);␊
␉␉␊
if (trycache) do {␊
␊
// if we haven't found the kernel yet, don't use the cache␊
ret = GetFileInfo(NULL, bootInfo->bootFile, &flags, &kerneltime);␊
if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)) {␊
if(ret != 0) kerneltime = 0;␊
else if ((flags & kFileTypeMask) != kFileTypeFlat) {␊
trycache = 0;␊
break;␊
}␊
␊
ret = GetFileInfo(NULL, gBootKernelCacheFile, &flags, &cachetime);␊
if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeFlat)␊
|| (cachetime < kerneltime)) {␊
if (ret >= 0)␊
break;␊
␉␉␉␉␊
␉␉␉␉verbose("Kernel cache did not loaded %s\n ", bootFile);␊
␉␉␉␉verbose("Kernel cache did not load %s\n ", bootFile);␊
}␊
␉␉␉␊
bootFile = bootInfo->bootFile;␊
trunk/i386/boot2/boot.h
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#define __BOOT2_BOOT_H␊
␊
#include "libsaio.h"␊
/*␊
* Paths used by chameleon␊
*/␊
␊
//kernel cache␊
#define kDefaultCachePathLeo "/System/Library/Caches/com.apple.kernelcaches/"␊
#define kDefaultCachePathSnow "/System/Library/Caches/com.apple.kext.caches/Startup/"␊
␊
// Lion installer␊
#define kLionInstallerDataFolder "/Mac OS X Install Data/"␊
#define kLionInstallerPlist kLionInstallerDataFolder "com.apple.Boot.plist"␊
␊
/*␊
* Keys used in system Boot.plist␊
*/␊
trunk/i386/boot2/modules.c
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␉␉if(module_start && module_start != (void*)0xFFFFFFFF)␊
␉␉{␊
␉␉␉// Notify the system that it was laoded␊
␉␉␉module_loaded(module, NULL, NULL, 0, 0 /*moduleName, moduleVersion, moduleCompat*/);␊
␉␉␉module_loaded(module, NULL, NULL, 0, 0 /*moduleName, NULL, moduleVersion, moduleCompat*/);␊
␉␉␉(*module_start)();␉// Start the module␊
␉␉␉DBG("Module %s Loaded.\n", module); DBGPAUSE();␊
␉␉}␊
␉␉␉␉␊
␉␉␉case LC_LOAD_DYLIB:␊
␉␉␉case LC_LOAD_WEAK_DYLIB ^ LC_REQ_DYLD:␊
// Required modules␊
␉␉␉␉dylibCommand = binary + binaryIndex;␊
␉␉␉␉char* module = binary + binaryIndex + ((UInt32)*((UInt32*)&dylibCommand->dylib.name));␊
␉␉␉␉// Possible enhancments: verify version␊
␉␉␉␉break;␊
␉␉␉␉␊
␉␉␉case LC_ID_DYLIB:␊
␉␉␉␉dylibCommand = binary + binaryIndex;␊
␉␉␉␉//dylibCommand = binary + binaryIndex;␊
␉␉␉␉/*moduleName =␉binary + binaryIndex + ((UInt32)*((UInt32*)&dylibCommand->dylib.name));␊
␉␉␉␉ moduleVersion =␉dylibCommand->dylib.current_version;␊
␉␉␉␉ moduleCompat =␉dylibCommand->dylib.compatibility_version;␊
trunk/i386/boot2/options.c
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␊
// Load com.apple.Boot.plist from the selected volume␊
// and use its contents to override default bootConfig.␊
// This is not a mandatory opeartion anymore.␊
␊
loadOverrideConfig(&bootInfo->overrideConfig);␊
loadSystemConfig(&bootInfo->overrideConfig);␊
␊
// Use the kernel name specified by the user, or fetch the name␊
// in the config table, or use the default if not specified.␊
uuidSet = true;␊
␉}␊
}␊
␊
␊
if (!uuidSet && gBootVolume->fs_getuuid && gBootVolume->fs_getuuid (gBootVolume, uuidStr) == 0) {␊
verbose("Setting boot-uuid to: %s\n", uuidStr);␊
copyArgument(kBootUUIDKey, uuidStr, strlen(uuidStr), &argP, &cntRemaining);␊
uuidSet = true;␊
}␊
␊
}␊
␊
if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gRootDevice)) {␊

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Revision: 1103