mirror of https://github.com/acidanthera/audk.git
Add Add ARM support
Add C inline assembly files for IA32 and X64 GCC builds. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9114 6f19259b-4bc3-4df7-8a09-765794883524
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#------------------------------------------------------------------------------
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#
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# CpuFlushTlb() for ARM
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#
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# Copyright (c) 2006 - 2009, Intel Corporation<BR>
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# Portions copyright (c) 2008-2009 Apple Inc.<BR>
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# All rights reserved. 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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.text
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.p2align 2
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.globl ASM_PFX(CpuFlushTlb)
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#/**
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# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
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#
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# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
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#
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#**/
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#VOID
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#EFIAPI
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#CpuFlushTlb (
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# VOID
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# )#
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#
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ASM_PFX(CpuFlushTlb):
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mov r0,#0
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mcr p15,0,r0,c8,c5,0 # Invalidate all the unlocked entried in TLB
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bx LR
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@ -0,0 +1,37 @@
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;------------------------------------------------------------------------------
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;
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; CpuFlushTlb() for ARM
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;
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; Copyright (c) 2006 - 2009, Intel Corporation<BR>
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; Portions copyright (c) 2008-2009 Apple Inc.<BR>
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; All rights reserved. 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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EXPORT CpuFlushTlb
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AREA cpu_flush_tlb, CODE, READONLY
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;/**
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; Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
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;
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; Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
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;
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;**/
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;VOID
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;EFIAPI
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;CpuFlushTlb (
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; VOID
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; );
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;
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CpuFlushTlb
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MOV r0,#0
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MCR p15,0,r0,c8,c5,0 ;Invalidate all the unlocked entried in TLB
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BX LR
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END
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#------------------------------------------------------------------------------
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#
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# CpuSleep() for ARM
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#
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# Copyright (c) 2006 - 2009, Intel Corporation<BR>
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# Portions copyright (c) 2008-2009 Apple Inc.<BR>
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# All rights reserved. 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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.text
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.p2align 2
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.globl ASM_PFX(CpuSleep)
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#/**
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# Places the CPU in a sleep state until an interrupt is received.
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#
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# Places the CPU in a sleep state until an interrupt is received. If interrupts
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# are disabled prior to calling this function, then the CPU will be placed in a
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# sleep state indefinitely.
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#
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#**/
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#VOID
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#EFIAPI
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#CpuSleep (
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# VOID
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# );
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#
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ASM_PFX(CpuSleep):
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mov r0,#0
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mcr p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction
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bx lr
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;------------------------------------------------------------------------------
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;
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; CpuSleep() for ARM
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;
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; Copyright (c) 2006 - 2009, Intel Corporation<BR>
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; Portions copyright (c) 2008-2009 Apple Inc.<BR>
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; All rights reserved. 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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EXPORT CpuSleep
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AREA cpu_sleep, CODE, READONLY
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;/**
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; Places the CPU in a sleep state until an interrupt is received.
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;
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; Places the CPU in a sleep state until an interrupt is received. If interrupts
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; are disabled prior to calling this function, then the CPU will be placed in a
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; sleep state indefinitely.
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;
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;**/
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;VOID
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;EFIAPI
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;CpuSleep (
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; VOID
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; );
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;
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CpuSleep
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MOV r0,#0
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MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction
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BX LR
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END
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@ -4,7 +4,8 @@
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# CPU Library implemented using ASM functions for IA-32 and X64,
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# CPU Library implemented using ASM functions for IA-32 and X64,
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# PAL CALLs for IPF, and empty functions for EBC.
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# PAL CALLs for IPF, and empty functions for EBC.
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#
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#
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# Copyright (c) 2007 - 2008, Intel Corporation.
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# Copyright (c) 2007 - 2008, Intel Corporation.<BR>
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# Portions Copyright (c) 2008-2009 Apple Inc.<BR>
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#
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#
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# All rights reserved. This program and the accompanying materials
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# All rights reserved. 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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# are licensed and made available under the terms and conditions of the BSD License
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@ -26,12 +27,12 @@
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#
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC ARM
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#
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#
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[Sources.common]
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[Sources.common]
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[Sources.Ia32]
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[Sources.IA32]
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Ia32/CpuSleep.c | MSFT
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Ia32/CpuSleep.c | MSFT
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Ia32/CpuFlushTlb.c | MSFT
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Ia32/CpuFlushTlb.c | MSFT
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@ -55,10 +56,16 @@
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[Sources.EBC]
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[Sources.EBC]
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Ebc/CpuSleepFlushTlb.c
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Ebc/CpuSleepFlushTlb.c
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[Sources.ARM]
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Arm/CpuFlushTlb.asm | RVCT
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Arm/CpuSleep.asm | RVCT
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Arm/CpuFlushTlb.S | GCC
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Arm/CpuSleep.S | GCC
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[Packages]
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[Packages]
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MdePkg/MdePkg.dec
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MdePkg/MdePkg.dec
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[LibraryClasses.Ipf]
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[LibraryClasses.IPF]
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PalLib
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PalLib
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BaseLib
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BaseLib
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/** @file
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CpuFlushTlb function for Ia32/X64 GCC.
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Copyright (c) 2006 - 2008, Intel Corporation<BR>
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Portions copyright (c) 2008-2009 Apple Inc.<BR>
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All rights reserved. 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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/**
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Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
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Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
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**/
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VOID
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EFIAPI
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CpuFlushTlb (
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VOID
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)
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{
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__asm__ __volatile__ (
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"movl %%cr3, %0\n\t"
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"movl %0, %%cr3 "
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: "r" // %0
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);
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}
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/** @file
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CpuSleep function for Ia32/X64 GCC.
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Copyright (c) 2006 - 2008, Intel Corporation<BR>
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Portions copyright (c) 2008-2009 Apple Inc.<BR>
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All rights reserved. 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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/**
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Places the CPU in a sleep state until an interrupt is received.
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Places the CPU in a sleep state until an interrupt is received. If interrupts
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are disabled prior to calling this function, then the CPU will be placed in a
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sleep state indefinitely.
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**/
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VOID
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EFIAPI
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CpuSleep (
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VOID
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)
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{
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__asm__ __volatile__ ("hlt"::: "memory");
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}
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