/** @file\r
Provide Hob Library functions for Pei phase.\r
\r
-Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
@param Type Type of the new HOB.\r
@param Length Length of the new HOB to allocate.\r
\r
- @return The address of new HOB.\r
+ @retval NULL The HOB could not be allocated.\r
+ @retval others The address of new HOB.\r
\r
**/\r
VOID *\r
VOID *Hob;\r
\r
Status = PeiServicesCreateHob (Type, Length, &Hob);\r
+ if (EFI_ERROR (Status)) {\r
+ Hob = NULL;\r
+ }\r
//\r
// Assume the process of HOB building is always successful.\r
//\r
- ASSERT_EFI_ERROR (Status);\r
+ ASSERT (Hob != NULL);\r
return Hob;\r
}\r
\r
ASSERT (((MemoryAllocationModule & (EFI_PAGE_SIZE - 1)) == 0) &&\r
((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0));\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid);\r
Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;\r
Hob->EntryPoint = EntryPoint;\r
}\r
\r
+/**\r
+ Builds a HOB that describes a chunk of system memory with Owner GUID.\r
+\r
+ This function builds a HOB that describes a chunk of system memory.\r
+ It can only be invoked during PEI phase;\r
+ for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r
+ \r
+ If there is no additional space for HOB creation, then ASSERT().\r
+\r
+ @param ResourceType The type of resource described by this HOB.\r
+ @param ResourceAttribute The resource attributes of the memory described by this HOB.\r
+ @param PhysicalStart The 64 bit physical address of memory described by this HOB.\r
+ @param NumberOfBytes The length of the memory described by this HOB in bytes.\r
+ @param OwnerGUID GUID for the owner of this resource.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+BuildResourceDescriptorWithOwnerHob (\r
+ IN EFI_RESOURCE_TYPE ResourceType,\r
+ IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r
+ IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r
+ IN UINT64 NumberOfBytes,\r
+ IN EFI_GUID *OwnerGUID\r
+ )\r
+{\r
+ EFI_HOB_RESOURCE_DESCRIPTOR *Hob;\r
+\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, (UINT16) sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
+\r
+ Hob->ResourceType = ResourceType;\r
+ Hob->ResourceAttribute = ResourceAttribute;\r
+ Hob->PhysicalStart = PhysicalStart;\r
+ Hob->ResourceLength = NumberOfBytes;\r
+\r
+ CopyGuid (&Hob->Owner, OwnerGUID);\r
+}\r
+\r
/**\r
Builds a HOB that describes a chunk of system memory.\r
\r
{\r
EFI_HOB_RESOURCE_DESCRIPTOR *Hob;\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, (UINT16) sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
Hob->ResourceType = ResourceType;\r
Hob->ResourceAttribute = ResourceAttribute;\r
Hob->PhysicalStart = PhysicalStart;\r
Hob->ResourceLength = NumberOfBytes;\r
+ ZeroMem (&(Hob->Owner), sizeof (EFI_GUID));\r
}\r
\r
/**\r
\r
If Guid is NULL, then ASSERT().\r
If there is no additional space for HOB creation, then ASSERT().\r
- If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r
+ If DataLength > (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r
+ HobLength is UINT16 and multiples of 8 bytes, so the max HobLength is 0xFFF8.\r
\r
@param Guid The GUID to tag the customized HOB.\r
@param DataLength The size of the data payload for the GUID HOB.\r
\r
- @return The start address of GUID HOB data.\r
+ @retval NULL The GUID HOB could not be allocated.\r
+ @retval others The start address of GUID HOB data.\r
\r
**/\r
VOID *\r
{\r
EFI_HOB_GUID_TYPE *Hob;\r
\r
+ //\r
+ // Make sure Guid is valid\r
+ //\r
+ ASSERT (Guid != NULL);\r
+ \r
//\r
// Make sure that data length is not too long.\r
//\r
- ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));\r
+ ASSERT (DataLength <= (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)));\r
\r
Hob = InternalPeiCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));\r
+ if (Hob == NULL) {\r
+ return Hob;\r
+ }\r
CopyGuid (&Hob->Name, Guid);\r
return Hob + 1;\r
}\r
If Guid is NULL, then ASSERT().\r
If Data is NULL and DataLength > 0, then ASSERT().\r
If there is no additional space for HOB creation, then ASSERT().\r
- If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r
+ If DataLength > (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r
+ HobLength is UINT16 and multiples of 8 bytes, so the max HobLength is 0xFFF8.\r
\r
@param Guid The GUID to tag the customized HOB.\r
@param Data The data to be copied into the data field of the GUID HOB.\r
@param DataLength The size of the data payload for the GUID HOB.\r
\r
- @return The start address of GUID HOB data.\r
+ @retval NULL The GUID HOB could not be allocated.\r
+ @retval others The start address of GUID HOB data.\r
\r
**/\r
VOID *\r
ASSERT (Data != NULL || DataLength == 0);\r
\r
HobData = BuildGuidHob (Guid, DataLength);\r
+ if (HobData == NULL) {\r
+ return HobData;\r
+ }\r
\r
return CopyMem (HobData, Data, DataLength);\r
}\r
{\r
EFI_HOB_FIRMWARE_VOLUME *Hob;\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV, (UINT16) sizeof (EFI_HOB_FIRMWARE_VOLUME));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
Hob->BaseAddress = BaseAddress;\r
Hob->Length = Length;\r
{\r
EFI_HOB_FIRMWARE_VOLUME2 *Hob;\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV2, (UINT16) sizeof (EFI_HOB_FIRMWARE_VOLUME2));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
Hob->BaseAddress = BaseAddress;\r
Hob->Length = Length;\r
{\r
EFI_HOB_UEFI_CAPSULE *Hob;\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_UEFI_CAPSULE, sizeof (EFI_HOB_UEFI_CAPSULE));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_UEFI_CAPSULE, (UINT16) sizeof (EFI_HOB_UEFI_CAPSULE));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
Hob->BaseAddress = BaseAddress;\r
Hob->Length = Length;\r
{\r
EFI_HOB_CPU *Hob;\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_CPU, (UINT16) sizeof (EFI_HOB_CPU));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
Hob->SizeOfMemorySpace = SizeOfMemorySpace;\r
Hob->SizeOfIoSpace = SizeOfIoSpace;\r
ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r
((Length & (EFI_PAGE_SIZE - 1)) == 0));\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocStackGuid);\r
Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r
ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r
((Length & (EFI_PAGE_SIZE - 1)) == 0));\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_BSP_STORE));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_BSP_STORE));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocBspStoreGuid);\r
Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r
ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r
((Length & (EFI_PAGE_SIZE - 1)) == 0));\r
\r
- Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION));\r
+ Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION));\r
+ if (Hob == NULL) {\r
+ return;\r
+ }\r
\r
ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID));\r
Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r
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