bb5420bb2b
Some AArch64 platforms have RAM and flash devices >4GB. Update some additional Pcd entries to 64-bit, and change the corresponding PcdGet32 calls to PcdGet64. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16325 6f19259b-4bc3-4df7-8a09-765794883524
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/** @file
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*
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* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <Uefi.h>
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#include <Library/ArmPlatformGlobalVariableLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PcdLib.h>
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#include <Library/DebugLib.h>
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// Declared by ArmPlatformPkg/PrePi Module
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extern UINTN mGlobalVariableBase;
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VOID
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ArmPlatformGetGlobalVariable (
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IN UINTN VariableOffset,
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IN UINTN VariableSize,
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OUT VOID* Variable
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)
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{
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UINTN GlobalVariableBase;
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// Ensure the Global Variable Size have been initialized
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ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
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GlobalVariableBase = PcdGet64 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize);
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if (VariableSize == 4) {
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*(UINT32*)Variable = ReadUnaligned32 ((CONST UINT32*)(GlobalVariableBase + VariableOffset));
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} else if (VariableSize == 8) {
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*(UINT64*)Variable = ReadUnaligned64 ((CONST UINT64*)(GlobalVariableBase + VariableOffset));
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} else {
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CopyMem (Variable, (VOID*)(GlobalVariableBase + VariableOffset), VariableSize);
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}
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}
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VOID
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ArmPlatformSetGlobalVariable (
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IN UINTN VariableOffset,
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IN UINTN VariableSize,
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OUT VOID* Variable
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)
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{
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UINTN GlobalVariableBase;
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// Ensure the Global Variable Size have been initialized
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ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
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GlobalVariableBase = PcdGet64 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize);
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if (VariableSize == 4) {
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WriteUnaligned32 ((UINT32*)(GlobalVariableBase + VariableOffset), *(UINT32*)Variable);
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} else if (VariableSize == 8) {
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WriteUnaligned64 ((UINT64*)(GlobalVariableBase + VariableOffset), *(UINT64*)Variable);
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} else {
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CopyMem ((VOID*)(GlobalVariableBase + VariableOffset), Variable, VariableSize);
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}
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}
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VOID*
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ArmPlatformGetGlobalVariableAddress (
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IN UINTN VariableOffset
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)
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{
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UINTN GlobalVariableBase;
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// Ensure the Global Variable Size have been initialized
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ASSERT (VariableOffset < PcdGet32 (PcdPeiGlobalVariableSize));
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GlobalVariableBase = PcdGet64 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize);
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return (VOID*)(GlobalVariableBase + VariableOffset);
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}
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