diff options
Diffstat (limited to 'MdePkg/Library/PeiHobLib/HobLib.c')
-rw-r--r-- | MdePkg/Library/PeiHobLib/HobLib.c | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/MdePkg/Library/PeiHobLib/HobLib.c b/MdePkg/Library/PeiHobLib/HobLib.c index 604cee996c..113de832fc 100644 --- a/MdePkg/Library/PeiHobLib/HobLib.c +++ b/MdePkg/Library/PeiHobLib/HobLib.c @@ -1,7 +1,7 @@ /** @file
Provide Hob Library functions for Pei phase.
-Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -226,7 +226,8 @@ GetBootModeHob ( @param Type Type of the new HOB.
@param Length Length of the new HOB to allocate.
- @return The address of new HOB.
+ @retval NULL The HOB could not be allocated.
+ @retval others The address of new HOB.
**/
VOID *
@@ -240,10 +241,13 @@ InternalPeiCreateHob ( VOID *Hob;
Status = PeiServicesCreateHob (Type, Length, &Hob);
+ if (EFI_ERROR (Status)) {
+ Hob = NULL;
+ }
//
// Assume the process of HOB building is always successful.
//
- ASSERT_EFI_ERROR (Status);
+ ASSERT (Hob != NULL);
return Hob;
}
@@ -278,6 +282,9 @@ BuildModuleHob ( ((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0));
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));
+ if (Hob == NULL) {
+ return;
+ }
CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid);
Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;
@@ -320,6 +327,9 @@ BuildResourceDescriptorHob ( EFI_HOB_RESOURCE_DESCRIPTOR *Hob;
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, (UINT16) sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));
+ if (Hob == NULL) {
+ return;
+ }
Hob->ResourceType = ResourceType;
Hob->ResourceAttribute = ResourceAttribute;
@@ -344,7 +354,8 @@ BuildResourceDescriptorHob ( @param Guid The GUID to tag the customized HOB.
@param DataLength The size of the data payload for the GUID HOB.
- @return The start address of GUID HOB data.
+ @retval NULL The GUID HOB could not be allocated.
+ @retval others The start address of GUID HOB data.
**/
VOID *
@@ -357,11 +368,19 @@ BuildGuidHob ( EFI_HOB_GUID_TYPE *Hob;
//
+ // Make sure Guid is valid
+ //
+ ASSERT (Guid != NULL);
+
+ //
// Make sure that data length is not too long.
//
ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));
+ if (Hob == NULL) {
+ return Hob;
+ }
CopyGuid (&Hob->Name, Guid);
return Hob + 1;
}
@@ -386,7 +405,8 @@ BuildGuidHob ( @param Data The data to be copied into the data field of the GUID HOB.
@param DataLength The size of the data payload for the GUID HOB.
- @return The start address of GUID HOB data.
+ @retval NULL The GUID HOB could not be allocated.
+ @retval others The start address of GUID HOB data.
**/
VOID *
@@ -402,6 +422,9 @@ BuildGuidDataHob ( ASSERT (Data != NULL || DataLength == 0);
HobData = BuildGuidHob (Guid, DataLength);
+ if (HobData == NULL) {
+ return HobData;
+ }
return CopyMem (HobData, Data, DataLength);
}
@@ -429,6 +452,9 @@ BuildFvHob ( EFI_HOB_FIRMWARE_VOLUME *Hob;
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV, (UINT16) sizeof (EFI_HOB_FIRMWARE_VOLUME));
+ if (Hob == NULL) {
+ return;
+ }
Hob->BaseAddress = BaseAddress;
Hob->Length = Length;
@@ -461,6 +487,9 @@ BuildFv2Hob ( EFI_HOB_FIRMWARE_VOLUME2 *Hob;
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV2, (UINT16) sizeof (EFI_HOB_FIRMWARE_VOLUME2));
+ if (Hob == NULL) {
+ return;
+ }
Hob->BaseAddress = BaseAddress;
Hob->Length = Length;
@@ -492,6 +521,9 @@ BuildCvHob ( EFI_HOB_UEFI_CAPSULE *Hob;
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_UEFI_CAPSULE, (UINT16) sizeof (EFI_HOB_UEFI_CAPSULE));
+ if (Hob == NULL) {
+ return;
+ }
Hob->BaseAddress = BaseAddress;
Hob->Length = Length;
@@ -520,6 +552,9 @@ BuildCpuHob ( EFI_HOB_CPU *Hob;
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_CPU, (UINT16) sizeof (EFI_HOB_CPU));
+ if (Hob == NULL) {
+ return;
+ }
Hob->SizeOfMemorySpace = SizeOfMemorySpace;
Hob->SizeOfIoSpace = SizeOfIoSpace;
@@ -556,6 +591,9 @@ BuildStackHob ( ((Length & (EFI_PAGE_SIZE - 1)) == 0));
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK));
+ if (Hob == NULL) {
+ return;
+ }
CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocStackGuid);
Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;
@@ -596,6 +634,9 @@ BuildBspStoreHob ( ((Length & (EFI_PAGE_SIZE - 1)) == 0));
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_BSP_STORE));
+ if (Hob == NULL) {
+ return;
+ }
CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocBspStoreGuid);
Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;
@@ -636,6 +677,9 @@ BuildMemoryAllocationHob ( ((Length & (EFI_PAGE_SIZE - 1)) == 0));
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION));
+ if (Hob == NULL) {
+ return;
+ }
ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID));
Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;
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