ArmPlatformPkg/ArmPlatformGlobalVariableLib: Fixed calculation of GlobalVariableBase

[mirror_edk2.git] / ArmPlatformPkg / Library / ArmPlatformGlobalVariableLib / Sec / SecArmPlatformGlobalVariableLib.c

diff --git a/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.c b/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.c
index f5d7bb54a3574091416ee8b4a5955fd9f33b101a..42d903f3d6af1538aec75a2cc8d9870fd414f4aa 100644 (file)
--- a/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.c
+++ b/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.c
@@ -31,7 +31,7 @@ ArmPlatformGetGlobalVariable (
   // Ensure the Global Variable Size have been initialized
   ASSERT (VariableOffset < PcdGet32 (PcdSecGlobalVariableSize));
 
-  GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize) + VariableOffset;
+  GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize);
   
   if (VariableSize == 4) {
     *(UINT32*)Variable = ReadUnaligned32 ((CONST UINT32*)(GlobalVariableBase + VariableOffset));
@@ -54,7 +54,7 @@ ArmPlatformSetGlobalVariable (
   // Ensure the Global Variable Size have been initialized
   ASSERT (VariableOffset < PcdGet32 (PcdSecGlobalVariableSize));
 
-  GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize) + VariableOffset;
+  GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize);
 
   if (VariableSize == 4) {
     WriteUnaligned32 ((UINT32*)(GlobalVariableBase + VariableOffset), *(UINT32*)Variable);