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EmbeddedPkg: Introduce PrePiMemoryAllocationLib (2) 

Forgot the new files ...



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11944 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-07-01 10:53:51 +00:00
parent 5b490e76a7
commit e889946d3a
2 changed files with 75 additions and 4 deletions
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40
EmbeddedPkg/Library/PrePiLib/Memory.c → EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c
View File

@ -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
}

39
EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf Normal file
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@ -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