diff options
Diffstat (limited to 'EmbeddedPkg')
| -rw-r--r-- | EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c (renamed from EmbeddedPkg/Library/PrePiLib/Memory.c) | 40 | ||||
| -rw-r--r-- | EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf | 39 |
2 files changed, 75 insertions, 4 deletions
diff --git a/EmbeddedPkg/Library/PrePiLib/Memory.c b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c index e6a649f149..7cfc28e1e7 100644 --- a/EmbeddedPkg/Library/PrePiLib/Memory.c +++ b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c @@ -13,7 +13,11 @@ **/ -#include <PrePi.h> +#include <PiPei.h> + +#include <Library/BaseLib.h> +#include <Library/PrePiLib.h> +#include <Library/DebugLib.h> @@ -30,7 +34,7 @@ @return A pointer to the allocated buffer or NULL if allocation fails. **/ -VOID * +VOID * EFIAPI AllocatePages ( IN UINTN Pages @@ -61,7 +65,15 @@ AllocatePages ( // This routine used to create a memory allocation HOB a la PEI, but that's not // necessary for us. - + + // + // Create a memory allocation HOB. + // + BuildMemoryAllocationHob ( + Hob.HandoffInformationTable->EfiFreeMemoryTop, + Pages * EFI_PAGE_SIZE, + EfiBootServicesData + ); return (VOID *)(UINTN)Hob.HandoffInformationTable->EfiFreeMemoryTop; } } @@ -112,7 +124,7 @@ AllocateAlignedPages ( if (Alignment == 0) { AlignmentMask = Alignment; } else { - AlignmentMask = Alignment - 1; + AlignmentMask = Alignment - 1; } return (VOID *) (UINTN) (((UINTN) Memory + AlignmentMask) & ~AlignmentMask); } @@ -156,5 +168,25 @@ AllocatePool ( } } +/** + Frees a buffer that was previously allocated with one of the pool allocation functions in the + Memory Allocation Library. + + Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the + pool allocation services of the Memory Allocation Library. If it is not possible to free pool + resources, then this function will perform no actions. + If Buffer was not allocated with a pool allocation function in the Memory Allocation Library, + then ASSERT(). + @param Buffer Pointer to the buffer to free. + +**/ +VOID +EFIAPI +FreePool ( + IN VOID *Buffer + ) +{ + // Not implemented yet +} diff --git a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf new file mode 100644 index 0000000000..2addc5a5a8 --- /dev/null +++ b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf @@ -0,0 +1,39 @@ +#/** @file
+#
+# Copyright (c) 2011, ARM Ltd. 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
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PrePiMemoryAllocationLib
+ FILE_GUID = 4f14c900-51a9-11e0-afbf-0002a5d5c51b
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = MemoryAllocationLib
+
+
+#
+# VALID_ARCHITECTURES = ARM
+#
+
+[Sources]
+ MemoryAllocationLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+
+[LibraryClasses]
+ DebugLib
+ BaseMemoryLib
+ PrePiLib
+ #PeiServicesLib
+
|