mirror of https://github.com/acidanthera/audk.git
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/** @file
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Copyright (c) 2011 - 2012, ARM Ltd. All rights reserved.<BR>
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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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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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#include <Base.h>
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#include <Library/ArmLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include "ArmLibPrivate.h"
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VOID
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EFIAPI
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ArmCacheInformation (
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OUT ARM_CACHE_INFO *CacheInfo
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)
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{
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if (CacheInfo != NULL) {
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CacheInfo->Type = ArmCacheType();
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CacheInfo->Architecture = ArmCacheArchitecture();
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CacheInfo->DataCachePresent = ArmDataCachePresent();
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CacheInfo->DataCacheSize = ArmDataCacheSize();
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CacheInfo->DataCacheAssociativity = ArmDataCacheAssociativity();
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CacheInfo->DataCacheLineLength = ArmDataCacheLineLength();
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CacheInfo->InstructionCachePresent = ArmInstructionCachePresent();
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CacheInfo->InstructionCacheSize = ArmInstructionCacheSize();
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CacheInfo->InstructionCacheAssociativity = ArmInstructionCacheAssociativity();
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CacheInfo->InstructionCacheLineLength = ArmInstructionCacheLineLength();
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}
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}
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VOID
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EFIAPI
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ArmSwitchProcessorMode (
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IN ARM_PROCESSOR_MODE Mode
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)
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{
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CPSRMaskInsert(ARM_PROCESSOR_MODE_MASK, Mode);
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}
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ARM_PROCESSOR_MODE
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EFIAPI
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ArmProcessorMode (
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VOID
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)
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{
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return (ARM_PROCESSOR_MODE)(CPSRRead() & (UINT32)ARM_PROCESSOR_MODE_MASK);
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}
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VOID
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EFIAPI
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ArmSetAuxCrBit (
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IN UINT32 Bits
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)
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{
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UINT32 val = ArmReadAuxCr();
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val |= Bits;
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ArmWriteAuxCr(val);
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}
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VOID
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EFIAPI
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ArmUnsetAuxCrBit (
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IN UINT32 Bits
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)
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{
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UINT32 val = ArmReadAuxCr();
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val &= ~Bits;
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ArmWriteAuxCr(val);
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}
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