diff options
| author | Liming Gao <liming.gao@intel.com> | 2013-07-12 02:49:22 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-07-12 02:49:22 +0000 |
| commit | 1dde8b08dd0c575a54fa502d0563b9fa355a0e3b (patch) | |
| tree | 9856f5dc33aefbdcd059e2c0bb427fe1f44e7dfe /MdePkg/Library | |
| parent | 068a82fc5ae8f4186da92db8ba2aa3dcd1ef2d14 (diff) | |
Update PeiMemoryAllocationLib instance to support AllocateReservedPages() API.
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: michael.d.kinney@intel.com
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14466 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library')
| -rw-r--r-- | MdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c | 33 | ||||
| -rw-r--r-- | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf | 3 |
2 files changed, 33 insertions, 3 deletions
diff --git a/MdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c b/MdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c index 531ad7472..90d4bbfd4 100644 --- a/MdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c +++ b/MdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c @@ -2,7 +2,7 @@ Support routines for memory allocation routines
based on PeiService for PEI phase drivers.
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2013, 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
@@ -21,6 +21,7 @@ #include <Library/PeiServicesLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
/**
@@ -44,15 +45,43 @@ InternalAllocatePages ( {
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS Memory;
+ EFI_MEMORY_TYPE RequestType;
+ EFI_PEI_HOB_POINTERS Hob;
if (Pages == 0) {
return NULL;
}
- Status = PeiServicesAllocatePages (MemoryType, Pages, &Memory);
+ RequestType = MemoryType;
+ if (MemoryType == EfiReservedMemoryType) {
+ //
+ // PEI AllocatePages() doesn't support EfiReservedMemoryType.
+ // Change RequestType to EfiBootServicesData for memory allocation.
+ //
+ RequestType = EfiBootServicesData;
+ }
+
+ Status = PeiServicesAllocatePages (RequestType, Pages, &Memory);
if (EFI_ERROR (Status)) {
return NULL;
}
+
+ if (MemoryType == EfiReservedMemoryType) {
+ //
+ // Memory type needs to be updated to EfiReservedMemoryType. Per PI spec Volume 1,
+ // PEI AllocatePages() will automate the creation of the Memory Allocation HOB types.
+ // Search Memory Allocation HOB and find the matched memory region,
+ // then change its memory type to EfiReservedMemoryType.
+ //
+ Hob.Raw = GetFirstHob (EFI_HOB_TYPE_MEMORY_ALLOCATION);
+ while (Hob.Raw != NULL && Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress != Memory) {
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw);
+ }
+ ASSERT (Hob.Raw != NULL);
+ Hob.MemoryAllocation->AllocDescriptor.MemoryType = EfiReservedMemoryType;
+ }
+
return (VOID *) (UINTN) Memory;
}
diff --git a/MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf b/MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf index 82e4b8b7b..c32c49892 100644 --- a/MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf +++ b/MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf @@ -4,7 +4,7 @@ # Memory Allocation Library that uses PEI Services to allocate memory.
# Free operations are ignored.
#
-# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 2013, 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
@@ -40,4 +40,5 @@ DebugLib
BaseMemoryLib
PeiServicesLib
+ HobLib
|