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Move the memory allocation and variable set to BdsEntry, use VariableLock protocol to lock the L”PerfDataMemAddr” variable and prevent malware to update it.

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Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14386 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lzeng14
2013-05-23 02:56:41 +00:00
parent d0cec2da21
commit f6c07313d1
6 changed files with 76 additions and 58 deletions
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3
MdeModulePkg/Include/Guid/Performance.h
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@@ -4,7 +4,7 @@
* performance protocol interfaces.
* performance variables.
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 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 that accompanies this distribution.
The full text of the license may be found at
@@ -48,6 +48,7 @@ typedef struct {
#define PERF_TOKEN_SIZE 28
#define PERF_TOKEN_LENGTH (PERF_TOKEN_SIZE - 1)
#define PERF_PEI_ENTRY_MAX_NUM 50
#define PERF_DATA_MAX_LENGTH 0x4000
typedef struct {
CHAR8 Token[PERF_TOKEN_SIZE];