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ArmPlatformPkg/ArmPlatformGlobalVariableLib: Added an assert to ensure the 'VariableOffset' belongs to the GlobalVariable region 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13043 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2012-02-27 10:26:16 +00:00
parent 8ddaf4710c
commit 782d45d1e3
7 changed files with 32 additions and 22 deletions
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3
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Dxe/DxeArmPlatformGlobalVariableLib.inf
View File

@ -2,7 +2,7 @@
# Timer library implementation
#
#
# Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
# 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
@ -32,6 +32,7 @@
[LibraryClasses]
BaseLib
DebugLib
HobLib
[Guids]

12
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.c
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@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* 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
@ -17,9 +17,7 @@
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PcdLib.h>
//TODO: RemoveMe
//#include <Library/DebugLib.h>
#include <Library/DebugLib.h>
// Declared by ArmPlatformPkg/PrePi Module
extern UINTN mGlobalVariableBase;
@ -33,6 +31,9 @@ ArmPlatformGetGlobalVariable (
{
UINTN GlobalVariableBase;
// Ensure the Global Variable Size have been initialized
ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
GlobalVariableBase = PcdGet32 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize) + VariableOffset;
if (VariableSize == 4) {
@ -55,6 +56,9 @@ ArmPlatformSetGlobalVariable (
{
UINTN GlobalVariableBase;
// Ensure the Global Variable Size have been initialized
ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
GlobalVariableBase = PcdGet32 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize) + VariableOffset;
if (VariableSize == 4) {

3
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
View File

@ -2,7 +2,7 @@
# Timer library implementation
#
#
# Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
# 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
@ -30,6 +30,7 @@
[LibraryClasses]
BaseLib
DebugLib
PcdLib
[FixedPcd]

9
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.c
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* 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
@ -17,6 +17,7 @@
#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)))
@ -33,6 +34,9 @@ ArmPlatformGetGlobalVariable (
{
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
@ -59,6 +63,9 @@ ArmPlatformSetGlobalVariable (
{
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

6
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.inf
View File

@ -1,8 +1,6 @@
#/** @file
# Timer library implementation
#
#
# Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
# 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
@ -31,6 +29,7 @@
[LibraryClasses]
BaseLib
DebugLib
PcdLib
[FixedPcd]
@ -40,7 +39,6 @@
gArmTokenSpaceGuid.PcdSystemMemoryBase
gArmTokenSpaceGuid.PcdSystemMemorySize
gArmPlatformTokenSpaceGuid.PcdCPUCoresStackBase
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
gArmPlatformTokenSpaceGuid.PcdPeiGlobalVariableSize

16
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.c
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* 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
@ -17,9 +17,7 @@
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PcdLib.h>
//TODO: RemoveMe
//#include <Library/DebugLib.h>
#include <Library/DebugLib.h>
VOID
ArmPlatformGetGlobalVariable (
@ -30,6 +28,9 @@ ArmPlatformGetGlobalVariable (
{
UINTN GlobalVariableBase;
// Ensure the Global Variable Size have been initialized
ASSERT (VariableOffset < PcdGet32 (PcdSecGlobalVariableSize));
GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize) + VariableOffset;
if (VariableSize == 4) {
@ -39,8 +40,6 @@ ArmPlatformGetGlobalVariable (
} else {
CopyMem (Variable, (VOID*)(GlobalVariableBase + VariableOffset), VariableSize);
}
//DEBUG((EFI_D_ERROR,"++ GET Offset[%d] = 0x%x\n",VariableOffset,*(UINTN*)Variable));
}
VOID
@ -52,6 +51,9 @@ ArmPlatformSetGlobalVariable (
{
UINTN GlobalVariableBase;
// Ensure the Global Variable Size have been initialized
ASSERT (VariableOffset < PcdGet32 (PcdSecGlobalVariableSize));
GlobalVariableBase = PcdGet32 (PcdCPUCoresSecStackBase) + PcdGet32 (PcdCPUCoreSecPrimaryStackSize) - PcdGet32 (PcdSecGlobalVariableSize) + VariableOffset;
if (VariableSize == 4) {
@ -61,7 +63,5 @@ ArmPlatformSetGlobalVariable (
} else {
CopyMem ((VOID*)(GlobalVariableBase + VariableOffset), Variable, VariableSize);
}
//DEBUG((EFI_D_ERROR,"++ SET Offset[%d] = 0x%x\n",VariableOffset,*(UINTN*)Variable));
}

5
ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.inf
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@ -1,8 +1,6 @@
#/** @file
# Timer library implementation
#
#
# Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
# 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
@ -30,6 +28,7 @@
[LibraryClasses]
BaseLib
DebugLib
PcdLib
[FixedPcd]