--- /dev/null
+/** @file
+*
+* Copyright (c) 2011, 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
+* which accompanies this distribution. The full text of the license may be found at
+* http://opensource.org/licenses/bsd-license.php
+*
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#include <Uefi.h>
+#include <Library/ArmPlatformGlobalVariableLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PcdLib.h>
+
+//TODO: RemoveMe
+//#include <Library/DebugLib.h>
+
+VOID
+ArmPlatformGetGlobalVariable (
+ IN UINTN VariableOffset,
+ IN UINTN VariableSize,
+ OUT VOID* Variable
+ )
+{
+ UINTN GlobalVariableBase;
+
+ GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize) + VariableOffset;
+
+ if (VariableSize == 4) {
+ *(UINT32*)Variable = ReadUnaligned32 ((CONST UINT32*)(GlobalVariableBase + VariableOffset));
+ } else if (VariableSize == 8) {
+ *(UINT32*)Variable = ReadUnaligned64 ((CONST UINT64*)(GlobalVariableBase + VariableOffset));
+ } else {
+ CopyMem (Variable, (VOID*)(GlobalVariableBase + VariableOffset), VariableSize);
+ }
+
+ //DEBUG((EFI_D_ERROR,"++ GET Offset[%d] = 0x%x\n",VariableOffset,*(UINTN*)Variable));
+}
+
+VOID
+ArmPlatformSetGlobalVariable (
+ IN UINTN VariableOffset,
+ IN UINTN VariableSize,
+ OUT VOID* Variable
+ )
+{
+ UINTN GlobalVariableBase;
+
+ GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize) + VariableOffset;
+
+ if (VariableSize == 4) {
+ WriteUnaligned32 ((UINT32*)(GlobalVariableBase + VariableOffset), *(UINT32*)Variable);
+ } else if (VariableSize == 8) {
+ WriteUnaligned64 ((UINT64*)(GlobalVariableBase + VariableOffset), *(UINT64*)Variable);
+ } else {
+ CopyMem ((VOID*)(GlobalVariableBase + VariableOffset), Variable, VariableSize);
+ }
+
+ //DEBUG((EFI_D_ERROR,"++ SET Offset[%d] = 0x%x\n",VariableOffset,*(UINTN*)Variable));
+}
+