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-rw-r--r--ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c14
-rw-r--r--ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf4
-rw-r--r--ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf4
3 files changed, 10 insertions, 12 deletions
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c
index 57e789f..1fb3bbe 100644
--- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c
+++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c
@@ -555,9 +555,7 @@ ArmConfigureMmu (
VOID* TranslationTable;
VOID* TranslationTableBuffer;
UINT32 TranslationTableAttribute;
- ARM_MEMORY_REGION_DESCRIPTOR *MemoryTableEntry;
UINT64 MaxAddress;
- UINT64 TopAddress;
UINTN T0SZ;
UINTN RootTableEntryCount;
UINTN RootTableEntrySize;
@@ -569,16 +567,8 @@ ArmConfigureMmu (
return RETURN_INVALID_PARAMETER;
}
- // Identify the highest address of the memory table
- MaxAddress = MemoryTable->PhysicalBase + MemoryTable->Length - 1;
- MemoryTableEntry = MemoryTable;
- while (MemoryTableEntry->Length != 0) {
- TopAddress = MemoryTableEntry->PhysicalBase + MemoryTableEntry->Length - 1;
- if (TopAddress > MaxAddress) {
- MaxAddress = TopAddress;
- }
- MemoryTableEntry++;
- }
+ // Cover the entire GCD memory space
+ MaxAddress = (1UL << PcdGet8 (PcdPrePiCpuMemorySize)) - 1;
// Lookup the Table Level to get the information
LookupAddresstoRootTable (MaxAddress, &T0SZ, &RootTableEntryCount);
diff --git a/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf b/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf
index 1533c29..b9f264d 100644
--- a/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf
+++ b/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf
@@ -32,6 +32,7 @@
[Packages]
ArmPkg/ArmPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
MdePkg/MdePkg.dec
[LibraryClasses]
@@ -39,5 +40,8 @@
CacheMaintenanceLib
MemoryAllocationLib
+[Pcd.AARCH64]
+ gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
+
[Pcd.ARM]
gArmTokenSpaceGuid.PcdNormalMemoryNonshareableOverride
diff --git a/ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf b/ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf
index 14ebf8d..ecf13f7 100644
--- a/ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf
+++ b/ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf
@@ -28,9 +28,13 @@
[Packages]
ArmPkg/ArmPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
MdePkg/MdePkg.dec
[LibraryClasses]
ArmLib
CacheMaintenanceLib
MemoryAllocationLib
+
+[Pcd.AARCH64]
+ gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize