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ArmPkg/ArmLib: Fixed 'ArmConfigureMmu()' to avoid overflow when an entry is mapped at 0xFFFFFFFF 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13056 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2012-02-28 17:20:34 +00:00
parent 3b73c91b65
commit 5ed2368498
1 changed files with 2 additions and 2 deletions
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4
ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
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@ -1,7 +1,7 @@
/** @file
* File managing the MMU for ARMv7 architecture
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@ -235,7 +235,7 @@ ArmConfigureMmu (
TranslationTableAttribute = (ARM_MEMORY_REGION_ATTRIBUTES)0;
while (MemoryTable->Length != 0) {
// Find the memory attribute for the Translation Table
if ((TranslationTable >= MemoryTable->PhysicalBase) && (TranslationTable < MemoryTable->PhysicalBase + MemoryTable->Length)) {
if ((TranslationTable >= MemoryTable->PhysicalBase) && (TranslationTable <= MemoryTable->PhysicalBase - 1 + MemoryTable->Length)) {
TranslationTableAttribute = MemoryTable->Attributes;
}