Revision: 14771
http://sourceforge.net/p/edk2/code/14771
Author: oliviermartin
Date: 2013-10-14 16:32:38 +0000 (Mon, 14 Oct 2013)
Log Message:
-----------
ArmPkg/CpuDxe: Fixed confusion in AArch64 Table descriptor types
Table Descriptor and Level-3 Block entry descriptors have the same
translation table type value (ie: 0x3).
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <[email protected]>
Modified Paths:
--------------
trunk/edk2/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c
Modified: trunk/edk2/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c
===================================================================
--- trunk/edk2/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c 2013-10-14 16:24:37 UTC
(rev 14770)
+++ trunk/edk2/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c 2013-10-14 16:32:38 UTC
(rev 14771)
@@ -265,7 +265,7 @@
BlockEntry = (UINT64*)TT_GET_ENTRY_FOR_ADDRESS (TranslationTable,
TableLevel, *BaseAddress);
EntryType = *BlockEntry & TT_TYPE_MASK;
- if (EntryType == TT_TYPE_TABLE_ENTRY) {
+ if ((TableLevel < 3) && (EntryType == TT_TYPE_TABLE_ENTRY)) {
NextTranslationTable = (UINT64*)(*BlockEntry &
TT_ADDRESS_MASK_DESCRIPTION_TABLE);
// The entry is a page table, so we go to the next level
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