diff options
Diffstat (limited to 'ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c')
| -rw-r--r-- | ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c | 210 |
1 files changed, 105 insertions, 105 deletions
diff --git a/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c b/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c index 563e405f..47430e30 100644 --- a/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c +++ b/ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c @@ -1,105 +1,105 @@ -/** @file -* -* 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 -* 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> -#include <Library/DebugLib.h> - -#define IS_XIP() (((UINT32)PcdGet32 (PcdFdBaseAddress) > (UINT32)(PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize))) || \ - ((PcdGet32 (PcdFdBaseAddress) + PcdGet32 (PcdFdSize)) < PcdGet32 (PcdSystemMemoryBase))) - -// Declared by ArmPlatformPkg/PrePi Module -extern UINTN mGlobalVariableBase; - -VOID -ArmPlatformGetGlobalVariable ( - IN UINTN VariableOffset, - IN UINTN VariableSize, - OUT VOID* Variable - ) -{ - UINTN GlobalVariableBase; - - // Ensure the Global Variable Size have been initialized - ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize)); - - if (IS_XIP()) { - // In Case of XIP, we expect the Primary Stack at the top of the System Memory - // The size must be 64bit aligned to allow 64bit variable to be aligned - GlobalVariableBase = PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize) - ALIGN_VALUE(PcdGet32 (PcdPeiGlobalVariableSize),0x8); - } else { - GlobalVariableBase = mGlobalVariableBase; - } - - if (VariableSize == 4) { - *(UINT32*)Variable = ReadUnaligned32 ((CONST UINT32*)(GlobalVariableBase + VariableOffset)); - } else if (VariableSize == 8) { - *(UINT64*)Variable = ReadUnaligned64 ((CONST UINT64*)(GlobalVariableBase + VariableOffset)); - } else { - CopyMem (Variable, (VOID*)(GlobalVariableBase + VariableOffset), VariableSize); - } -} - -VOID -ArmPlatformSetGlobalVariable ( - IN UINTN VariableOffset, - IN UINTN VariableSize, - OUT VOID* Variable - ) -{ - UINTN GlobalVariableBase; - - // Ensure the Global Variable Size have been initialized - ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize)); - - if (IS_XIP()) { - // In Case of XIP, we expect the Primary Stack at the top of the System Memory - // The size must be 64bit aligned to allow 64bit variable to be aligned - GlobalVariableBase = PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize) - ALIGN_VALUE(PcdGet32 (PcdPeiGlobalVariableSize),0x8); - } else { - GlobalVariableBase = mGlobalVariableBase; - } - - 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); - } -} - -VOID* -ArmPlatformGetGlobalVariableAddress ( - IN UINTN VariableOffset - ) -{ - UINTN GlobalVariableBase; - - // Ensure the Global Variable Size have been initialized - ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize)); - - if (IS_XIP()) { - // In Case of XIP, we expect the Primary Stack at the top of the System Memory - // The size must be 64bit aligned to allow 64bit variable to be aligned - GlobalVariableBase = PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize) - ALIGN_VALUE(PcdGet32 (PcdPeiGlobalVariableSize),0x8); - } else { - GlobalVariableBase = mGlobalVariableBase; - } - - return (VOID*)(GlobalVariableBase + VariableOffset); -} +/** @file
+*
+* 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
+* 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>
+#include <Library/DebugLib.h>
+
+#define IS_XIP() (((UINT32)PcdGet32 (PcdFdBaseAddress) > (UINT32)(PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize))) || \
+ ((PcdGet32 (PcdFdBaseAddress) + PcdGet32 (PcdFdSize)) < PcdGet32 (PcdSystemMemoryBase)))
+
+// Declared by ArmPlatformPkg/PrePi Module
+extern UINTN mGlobalVariableBase;
+
+VOID
+ArmPlatformGetGlobalVariable (
+ IN UINTN VariableOffset,
+ IN UINTN VariableSize,
+ OUT VOID* Variable
+ )
+{
+ UINTN GlobalVariableBase;
+
+ // Ensure the Global Variable Size have been initialized
+ ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
+
+ if (IS_XIP()) {
+ // In Case of XIP, we expect the Primary Stack at the top of the System Memory
+ // The size must be 64bit aligned to allow 64bit variable to be aligned
+ GlobalVariableBase = PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize) - ALIGN_VALUE(PcdGet32 (PcdPeiGlobalVariableSize),0x8);
+ } else {
+ GlobalVariableBase = mGlobalVariableBase;
+ }
+
+ if (VariableSize == 4) {
+ *(UINT32*)Variable = ReadUnaligned32 ((CONST UINT32*)(GlobalVariableBase + VariableOffset));
+ } else if (VariableSize == 8) {
+ *(UINT64*)Variable = ReadUnaligned64 ((CONST UINT64*)(GlobalVariableBase + VariableOffset));
+ } else {
+ CopyMem (Variable, (VOID*)(GlobalVariableBase + VariableOffset), VariableSize);
+ }
+}
+
+VOID
+ArmPlatformSetGlobalVariable (
+ IN UINTN VariableOffset,
+ IN UINTN VariableSize,
+ OUT VOID* Variable
+ )
+{
+ UINTN GlobalVariableBase;
+
+ // Ensure the Global Variable Size have been initialized
+ ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
+
+ if (IS_XIP()) {
+ // In Case of XIP, we expect the Primary Stack at the top of the System Memory
+ // The size must be 64bit aligned to allow 64bit variable to be aligned
+ GlobalVariableBase = PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize) - ALIGN_VALUE(PcdGet32 (PcdPeiGlobalVariableSize),0x8);
+ } else {
+ GlobalVariableBase = mGlobalVariableBase;
+ }
+
+ 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);
+ }
+}
+
+VOID*
+ArmPlatformGetGlobalVariableAddress (
+ IN UINTN VariableOffset
+ )
+{
+ UINTN GlobalVariableBase;
+
+ // Ensure the Global Variable Size have been initialized
+ ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
+
+ if (IS_XIP()) {
+ // In Case of XIP, we expect the Primary Stack at the top of the System Memory
+ // The size must be 64bit aligned to allow 64bit variable to be aligned
+ GlobalVariableBase = PcdGet32 (PcdSystemMemoryBase) + PcdGet32 (PcdSystemMemorySize) - ALIGN_VALUE(PcdGet32 (PcdPeiGlobalVariableSize),0x8);
+ } else {
+ GlobalVariableBase = mGlobalVariableBase;
+ }
+
+ return (VOID*)(GlobalVariableBase + VariableOffset);
+}
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