mirror of https://github.com/acidanthera/audk.git
Temporarily remove the C implementation of some GCC assembly files in MdePkg. They are kept in repository and will be re-evaluate later.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10045 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
parent
f03ccf59ba
commit
f18f2882e9
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@ -4,7 +4,7 @@
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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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#
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# Copyright (c) 2007 - 2008, Intel Corporation.<BR>
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# Copyright (c) 2007 - 2010, Intel Corporation.<BR>
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# Portions Copyright (c) 2008-2009 Apple Inc. All rights reserved.
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#
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# All rights reserved. This program and the accompanying materials
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@ -30,8 +30,6 @@
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC ARM
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#
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[Sources.common]
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[Sources.IA32]
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Ia32/CpuSleep.c | MSFT
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Ia32/CpuFlushTlb.c | MSFT
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@ -1,32 +0,0 @@
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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. All rights reserved.<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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#include <Library/BaseLib.h>
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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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AsmWriteCr3 (AsmReadCr3 ());
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}
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@ -1,33 +0,0 @@
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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. All rights reserved.<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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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
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@ -1,7 +1,7 @@
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#/** @file
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# Base Synchronization Library implementation.
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#
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# Copyright (c) 2007 - 2008, Intel Corporation.<BR>
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# Copyright (c) 2007 - 2010, Intel Corporation.<BR>
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# Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
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#
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# All rights reserved. This program and the accompanying materials
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@ -41,7 +41,6 @@
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Ia32/InterlockedIncrement.asm | INTEL
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Synchronization.c | INTEL
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# Ia32/GccInline.c | GCC
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Ia32/InterlockedCompareExchange64.S | GCC
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Ia32/InterlockedCompareExchange32.S | GCC
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Ia32/InterlockedDecrement.S | GCC
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@ -64,7 +63,6 @@
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Synchronization.c | INTEL
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# X64/GccInline.c | GCC
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X64/InterlockedIncrement.S | GCC
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X64/InterlockedDecrement.S | GCC
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X64/InterlockedCompareExchange64.S | GCC
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@ -1,193 +0,0 @@
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/** @file
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GCC inline implementation of BaseSynchronizationLib processor specific functions.
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Copyright (c) 2006 - 2009, Intel Corporation<BR>
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Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<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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Performs an atomic increment of an 32-bit unsigned integer.
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Performs an atomic increment of the 32-bit unsigned integer specified by
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Value and returns the incremented value. The increment operation must be
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performed using MP safe mechanisms. The state of the return value is not
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guaranteed to be MP safe.
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@param Value A pointer to the 32-bit value to increment.
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@return The incremented value.
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**/
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UINT32
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EFIAPI
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InternalSyncIncrement (
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IN volatile UINT32 *Value
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)
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{
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UINT32 Result;
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__asm__ __volatile__ (
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"lock \n\t"
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"incl %2 \n\t"
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"movl %2, %%eax "
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: "=a" (Result), // %0
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"=m" (*Value) // %1
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: "m" (*Value) // %2
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: "memory",
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"cc"
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);
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return Result;
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}
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/**
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Performs an atomic decrement of an 32-bit unsigned integer.
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Performs an atomic decrement of the 32-bit unsigned integer specified by
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Value and returns the decremented value. The decrement operation must be
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performed using MP safe mechanisms. The state of the return value is not
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guaranteed to be MP safe.
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@param Value A pointer to the 32-bit value to decrement.
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@return The decremented value.
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**/
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UINT32
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EFIAPI
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InternalSyncDecrement (
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IN volatile UINT32 *Value
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)
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{
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UINT32 Result;
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__asm__ __volatile__ (
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"lock \n\t"
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"decl %2 \n\t"
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"movl %2, %%eax "
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: "=a" (Result), // %0
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"=m" (*Value) // %1
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: "m" (*Value) // %2
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: "memory",
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"cc"
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);
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return Result;
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}
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/**
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Performs an atomic compare exchange operation on a 32-bit unsigned integer.
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Performs an atomic compare exchange operation on the 32-bit unsigned integer
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specified by Value. If Value is equal to CompareValue, then Value is set to
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ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue,
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then Value is returned. The compare exchange operation must be performed using
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MP safe mechanisms.
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@param Value A pointer to the 32-bit value for the compare exchange
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operation.
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@param CompareValue 32-bit value used in compare operation.
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@param ExchangeValue 32-bit value used in exchange operation.
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@return The original *Value before exchange.
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**/
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UINT32
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EFIAPI
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InternalSyncCompareExchange32 (
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IN OUT volatile UINT32 *Value,
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IN UINT32 CompareValue,
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IN UINT32 ExchangeValue
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)
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{
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// GCC 4.1 and forward supports atomic builtins
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#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
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return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
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#else
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__asm__ __volatile__ (
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" \n\t"
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"lock \n\t"
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"cmpxchgl %1, %2 \n\t"
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: "=a" (CompareValue) // %0
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: "q" (ExchangeValue), // %1
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"m" (*Value), // %2
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"0" (CompareValue) // %4
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: "memory",
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"cc"
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);
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return CompareValue;
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#endif
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}
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/**
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Performs an atomic compare exchange operation on a 64-bit unsigned integer.
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Performs an atomic compare exchange operation on the 64-bit unsigned integer specified
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by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and
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CompareValue is returned. If Value is not equal to CompareValue, then Value is returned.
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The compare exchange operation must be performed using MP safe mechanisms.
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@param Value A pointer to the 64-bit value for the compare exchange
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operation.
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@param CompareValue 64-bit value used in compare operation.
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@param ExchangeValue 64-bit value used in exchange operation.
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@return The original *Value before exchange.
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**/
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UINT64
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EFIAPI
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InternalSyncCompareExchange64 (
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IN OUT volatile UINT64 *Value,
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IN UINT64 CompareValue,
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IN UINT64 ExchangeValue
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)
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{
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// GCC 4.1 and forward supports atomic builtins
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#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
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return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
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#else
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__asm__ __volatile__ (
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" \n\t"
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"push %%ebx \n\t"
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"movl %2,%%ebx \n\t"
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"lock \n\t"
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"cmpxchg8b (%1) \n\t"
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"pop %%ebx \n\t"
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: "+A" (CompareValue) // %0
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: "S" (Value), // %1
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"r" ((UINT32) ExchangeValue), // %2
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"c" ((UINT32) (ExchangeValue >> 32)) // %3
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: "memory",
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"cc"
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);
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return CompareValue;
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#endif
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}
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@ -1,192 +0,0 @@
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/** @file
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GCC inline implementation of BaseSynchronizationLib processor specific functions.
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Copyright (c) 2006 - 2009, Intel Corporation<BR>
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Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<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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Performs an atomic increment of an 32-bit unsigned integer.
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Performs an atomic increment of the 32-bit unsigned integer specified by
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Value and returns the incremented value. The increment operation must be
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performed using MP safe mechanisms. The state of the return value is not
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guaranteed to be MP safe.
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@param Value A pointer to the 32-bit value to increment.
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@return The incremented value.
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**/
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UINT32
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EFIAPI
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InternalSyncIncrement (
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IN volatile UINT32 *Value
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)
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{
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UINT32 Result;
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__asm__ __volatile__ (
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"lock \n\t"
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"incl %2 \n\t"
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"mov %2, %%eax "
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: "=a" (Result), // %0
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"=m" (*Value) // %1
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: "m" (*Value) // %2
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: "memory",
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"cc"
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);
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return Result;
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}
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/**
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Performs an atomic decrement of an 32-bit unsigned integer.
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Performs an atomic decrement of the 32-bit unsigned integer specified by
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Value and returns the decremented value. The decrement operation must be
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performed using MP safe mechanisms. The state of the return value is not
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guaranteed to be MP safe.
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@param Value A pointer to the 32-bit value to decrement.
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@return The decremented value.
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**/
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UINT32
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EFIAPI
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InternalSyncDecrement (
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IN volatile UINT32 *Value
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)
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{
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UINT32 Result;
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__asm__ __volatile__ (
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"lock \n\t"
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"decl %2 \n\t"
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"mov %2, %%eax "
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: "=a" (Result), // %0
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"=m" (*Value) // %1
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: "m" (*Value) // %2
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: "memory",
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"cc"
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);
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return Result;
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}
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/**
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Performs an atomic compare exchange operation on a 32-bit unsigned integer.
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Performs an atomic compare exchange operation on the 32-bit unsigned integer
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specified by Value. If Value is equal to CompareValue, then Value is set to
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ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue,
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then Value is returned. The compare exchange operation must be performed using
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MP safe mechanisms.
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@param Value A pointer to the 32-bit value for the compare exchange
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operation.
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@param CompareValue 32-bit value used in compare operation.
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@param ExchangeValue 32-bit value used in exchange operation.
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@return The original *Value before exchange.
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**/
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UINT32
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EFIAPI
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InternalSyncCompareExchange32 (
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IN OUT volatile UINT32 *Value,
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IN UINT32 CompareValue,
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||||
IN UINT32 ExchangeValue
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||||
)
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||||
{
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||||
// GCC 4.1 and forward supports atomic builtins
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#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
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||||
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||||
return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
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||||
#else
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||||
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||||
__asm__ __volatile__ (
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"lock \n\t"
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||||
"cmpxchgl %3, %1 "
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||||
: "=a" (CompareValue), // %0
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||||
"=m" (*Value) // %1
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||||
: "a" (CompareValue), // %2
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||||
"r" (ExchangeValue), // %3
|
||||
"m" (*Value)
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||||
: "memory",
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"cc"
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||||
);
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||||
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||||
return CompareValue;
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||||
|
||||
#endif
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||||
}
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||||
|
||||
|
||||
/**
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||||
Performs an atomic compare exchange operation on a 64-bit unsigned integer.
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||||
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||||
Performs an atomic compare exchange operation on the 64-bit unsigned integer specified
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||||
by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and
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||||
CompareValue is returned. If Value is not equal to CompareValue, then Value is returned.
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The compare exchange operation must be performed using MP safe mechanisms.
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||||
|
||||
|
||||
@param Value A pointer to the 64-bit value for the compare exchange
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||||
operation.
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||||
@param CompareValue 64-bit value used in compare operation.
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||||
@param ExchangeValue 64-bit value used in exchange operation.
|
||||
|
||||
@return The original *Value before exchange.
|
||||
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
InternalSyncCompareExchange64 (
|
||||
IN OUT volatile UINT64 *Value,
|
||||
IN UINT64 CompareValue,
|
||||
IN UINT64 ExchangeValue
|
||||
)
|
||||
{
|
||||
// GCC 4.1 and forward supports atomic builtins
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||||
#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
|
||||
|
||||
return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
|
||||
|
||||
#else
|
||||
|
||||
__asm__ __volatile__ (
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||||
"lock \n\t"
|
||||
"cmpxchgq %3, %1 "
|
||||
: "=a" (CompareValue), // %0
|
||||
"=m" (*Value) // %1
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||||
: "a" (CompareValue), // %2
|
||||
"r" (ExchangeValue), // %3
|
||||
"m" (*Value)
|
||||
: "memory",
|
||||
"cc"
|
||||
);
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||||
|
||||
return CompareValue;
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
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