- IORegistryEntry * booterMemoryMap = NULL; // must release
- OSDictionary * propertyDict = NULL; // must release
- OSCollectionIterator * keyIterator = NULL; // must release
- OSString * deviceTreeName = NULL; // do not release
-
- const _DeviceTreeBuffer * deviceTreeBuffer = NULL; // do not free
- char * booterDataPtr = NULL; // do not free
- OSData * booterData = NULL; // must release
-
- OSKext * aKext = NULL; // must release
-
- OSKextLog(/* kext */ NULL,
- kOSKextLogProgressLevel |
- kOSKextLogDirectoryScanFlag | kOSKextLogKextBookkeepingFlag,
- "Reading startup extensions from booter memory.");
-
- booterMemoryMap = IORegistryEntry::fromPath( "/chosen/memory-map", gIODTPlane);
-
- if (!booterMemoryMap) {
- OSKextLog(/* kext */ NULL,
- kOSKextLogErrorLevel |
- kOSKextLogGeneralFlag | kOSKextLogDirectoryScanFlag,
- "Can't read booter memory map.");
- goto finish;
- }
-
- propertyDict = booterMemoryMap->dictionaryWithProperties();
- if (!propertyDict) {
- OSKextLog(/* kext */ NULL,
- kOSKextLogErrorLevel |
- kOSKextLogDirectoryScanFlag,
- "Can't get property dictionary from memory map.");
- goto finish;
- }
-
- keyIterator = OSCollectionIterator::withCollection(propertyDict);
- if (!keyIterator) {
- OSKextLog(/* kext */ NULL,
- kOSKextLogErrorLevel |
- kOSKextLogGeneralFlag,
- "Can't allocate iterator for driver images.");
- goto finish;
- }
-
- /* Create dictionary of excluded kexts
- */
- OSKext::createExcludeListFromBooterData(propertyDict, keyIterator);
- keyIterator->reset();
-
- while ( ( deviceTreeName =
- OSDynamicCast(OSString, keyIterator->getNextObject() ))) {
-
- const char * devTreeNameCString = deviceTreeName->getCStringNoCopy();
- OSData * deviceTreeEntry = OSDynamicCast(OSData,
- propertyDict->getObject(deviceTreeName));
-
- /* Clear out the booterData from the prior iteration.
- */
- OSSafeReleaseNULL(booterData);
-
- /* If there is no entry for the name, we can't do much with it. */
- if (!deviceTreeEntry) {
- continue;
- }
-
- /* Make sure it is a kext */
- if (strncmp(devTreeNameCString,
- BOOTER_KEXT_PREFIX,
- CONST_STRLEN(BOOTER_KEXT_PREFIX))) {
- continue;
- }
-
- deviceTreeBuffer = (const _DeviceTreeBuffer *)
- deviceTreeEntry->getBytesNoCopy(0, sizeof(deviceTreeBuffer));
- if (!deviceTreeBuffer) {
- /* We can't get to the data, so we can't do anything,
- * not even free it from physical memory (if it's there).
- */
- OSKextLog(/* kext */ NULL,
- kOSKextLogErrorLevel |
- kOSKextLogDirectoryScanFlag,
- "Device tree entry %s has NULL pointer.",
- devTreeNameCString);
- goto finish; // xxx - continue, panic?
- }
-
- booterDataPtr = (char *)ml_static_ptovirt(deviceTreeBuffer->paddr);
- if (!booterDataPtr) {
- OSKextLog(/* kext */ NULL,
- kOSKextLogErrorLevel |
- kOSKextLogDirectoryScanFlag,
- "Can't get virtual address for device tree entry %s.",
- devTreeNameCString);
- goto finish;
- }
-
- /* Wrap the booter data buffer in an OSData and set a dealloc function
- * so it will take care of the physical memory when freed. Kexts will
- * retain the booterData for as long as they need it. Remove the entry
- * from the booter memory map after this is done.
- */
- booterData = OSData::withBytesNoCopy(booterDataPtr,
- deviceTreeBuffer->length);
- if (!booterData) {
- OSKextLog(/* kext */ NULL,
- kOSKextLogErrorLevel |
- kOSKextLogGeneralFlag,
- "Error - Can't allocate OSData wrapper for device tree entry %s.",
- devTreeNameCString);
- goto finish;
- }
- booterData->setDeallocFunction(osdata_phys_free);
-
- /* Create the kext for the entry, then release it, because the
- * kext system keeps them around until explicitly removed.
- * Any creation/registration failures are already logged for us.
- */
- OSKext * newKext = OSKext::withBooterData(deviceTreeName, booterData);
- OSSafeRelease(newKext);
-
- booterMemoryMap->removeProperty(deviceTreeName);
-
- } /* while ( (deviceTreeName = OSDynamicCast(OSString, ...) ) ) */
+ IORegistryEntry * booterMemoryMap = NULL;// must release
+ OSDictionary * propertyDict = NULL;// must release
+ OSCollectionIterator * keyIterator = NULL;// must release
+ OSString * deviceTreeName = NULL;// do not release
+
+ const _DeviceTreeBuffer * deviceTreeBuffer = NULL;// do not free
+ char * booterDataPtr = NULL;// do not free
+ OSData * booterData = NULL;// must release
+
+ OSKext * aKext = NULL;// must release
+
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogProgressLevel |
+ kOSKextLogDirectoryScanFlag | kOSKextLogKextBookkeepingFlag,
+ "Reading startup extensions from booter memory.");
+
+ booterMemoryMap = IORegistryEntry::fromPath( "/chosen/memory-map", gIODTPlane);
+
+ if (!booterMemoryMap) {
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogErrorLevel |
+ kOSKextLogGeneralFlag | kOSKextLogDirectoryScanFlag,
+ "Can't read booter memory map.");
+ goto finish;
+ }
+
+ propertyDict = booterMemoryMap->dictionaryWithProperties();
+ if (!propertyDict) {
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogErrorLevel |
+ kOSKextLogDirectoryScanFlag,
+ "Can't get property dictionary from memory map.");
+ goto finish;
+ }
+
+ keyIterator = OSCollectionIterator::withCollection(propertyDict);
+ if (!keyIterator) {
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogErrorLevel |
+ kOSKextLogGeneralFlag,
+ "Can't allocate iterator for driver images.");
+ goto finish;
+ }
+
+ /* Create dictionary of excluded kexts
+ */
+#ifndef CONFIG_EMBEDDED
+ OSKext::createExcludeListFromBooterData(propertyDict, keyIterator);
+#endif
+ keyIterator->reset();
+
+ while ((deviceTreeName =
+ OSDynamicCast(OSString, keyIterator->getNextObject()))) {
+ const char * devTreeNameCString = deviceTreeName->getCStringNoCopy();
+ OSData * deviceTreeEntry = OSDynamicCast(OSData,
+ propertyDict->getObject(deviceTreeName));
+
+ /* Clear out the booterData from the prior iteration.
+ */
+ OSSafeReleaseNULL(booterData);
+
+ /* If there is no entry for the name, we can't do much with it. */
+ if (!deviceTreeEntry) {
+ continue;
+ }
+
+ /* Make sure it is a kext */
+ if (strncmp(devTreeNameCString,
+ BOOTER_KEXT_PREFIX,
+ CONST_STRLEN(BOOTER_KEXT_PREFIX))) {
+ continue;
+ }
+
+ deviceTreeBuffer = (const _DeviceTreeBuffer *)
+ deviceTreeEntry->getBytesNoCopy(0, sizeof(deviceTreeBuffer));
+ if (!deviceTreeBuffer) {
+ /* We can't get to the data, so we can't do anything,
+ * not even free it from physical memory (if it's there).
+ */
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogErrorLevel |
+ kOSKextLogDirectoryScanFlag,
+ "Device tree entry %s has NULL pointer.",
+ devTreeNameCString);
+ goto finish; // xxx - continue, panic?
+ }
+
+ booterDataPtr = (char *)ml_static_ptovirt(deviceTreeBuffer->paddr);
+ if (!booterDataPtr) {
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogErrorLevel |
+ kOSKextLogDirectoryScanFlag,
+ "Can't get virtual address for device tree entry %s.",
+ devTreeNameCString);
+ goto finish;
+ }
+
+ /* Wrap the booter data buffer in an OSData and set a dealloc function
+ * so it will take care of the physical memory when freed. Kexts will
+ * retain the booterData for as long as they need it. Remove the entry
+ * from the booter memory map after this is done.
+ */
+ booterData = OSData::withBytesNoCopy(booterDataPtr,
+ deviceTreeBuffer->length);
+ if (!booterData) {
+ OSKextLog(/* kext */ NULL,
+ kOSKextLogErrorLevel |
+ kOSKextLogGeneralFlag,
+ "Error - Can't allocate OSData wrapper for device tree entry %s.",
+ devTreeNameCString);
+ goto finish;
+ }
+ booterData->setDeallocFunction(osdata_phys_free);
+
+ /* Create the kext for the entry, then release it, because the
+ * kext system keeps them around until explicitly removed.
+ * Any creation/registration failures are already logged for us.
+ */
+ OSKext * newKext = OSKext::withBooterData(deviceTreeName, booterData);
+ OSSafeReleaseNULL(newKext);
+
+ booterMemoryMap->removeProperty(deviceTreeName);
+ } /* while ( (deviceTreeName = OSDynamicCast(OSString, ...) ) ) */
projects / apple / xnu.git / blobdiff