mirror of https://github.com/acidanthera/audk.git
MdePkg/BaseMemoryLibMmx: Remove .S files for IA32 and X64 arch
.nasm file has been added for X86 arch. .S assembly code is not required any more. https://bugzilla.tianocore.org/show_bug.cgi?id=1594 Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <liming.gao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Shenglei Zhang
Liming Gao
parent
1ee58b7103
commit
f578386cc4
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@ -52,27 +52,16 @@
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[Sources.Ia32]
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Ia32/ScanMem64.nasm
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Ia32/ScanMem64.S
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Ia32/ScanMem32.nasm
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Ia32/ScanMem32.S
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Ia32/ScanMem16.nasm
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Ia32/ScanMem16.S
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Ia32/ScanMem8.nasm
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Ia32/ScanMem8.S
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Ia32/CompareMem.nasm
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Ia32/CompareMem.S
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Ia32/SetMem64.nasm
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Ia32/SetMem64.S
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Ia32/SetMem32.nasm
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Ia32/SetMem32.S
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Ia32/SetMem16.nasm
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Ia32/SetMem16.S
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Ia32/ZeroMem.nasm
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Ia32/ZeroMem.S
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Ia32/SetMem.nasm
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Ia32/SetMem.S
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Ia32/CopyMem.nasm
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Ia32/CopyMem.S
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Ia32/ScanMem64.nasm
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Ia32/ScanMem32.nasm
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Ia32/ScanMem16.nasm
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@ -99,27 +88,16 @@
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X64/SetMem.nasm
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X64/CopyMem.nasm
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X64/ScanMem64.nasm
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X64/ScanMem64.S
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X64/ScanMem32.nasm
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X64/ScanMem32.S
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X64/ScanMem16.nasm
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X64/ScanMem16.S
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X64/ScanMem8.nasm
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X64/ScanMem8.S
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X64/CompareMem.nasm
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X64/CompareMem.S
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X64/SetMem64.nasm
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X64/SetMem64.S
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X64/SetMem32.nasm
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X64/SetMem32.S
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X64/SetMem16.nasm
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X64/SetMem16.S
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X64/ZeroMem.nasm
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X64/ZeroMem.S
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X64/SetMem.nasm
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X64/SetMem.S
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X64/CopyMem.nasm
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X64/CopyMem.S
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X64/IsZeroBuffer.nasm
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@ -1,55 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. 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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#
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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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# Module Name:
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#
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# CompareMem.Asm
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#
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# Abstract:
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#
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# CompareMem function
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#
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# Notes:
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#
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# The following BaseMemoryLib instances contain the same copy of this file:
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#
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# BaseMemoryLibRepStr
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# BaseMemoryLibMmx
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# BaseMemoryLibSse2
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# BaseMemoryLibOptDxe
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# BaseMemoryLibOptPei
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
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#------------------------------------------------------------------------------
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# INTN
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# EFIAPI
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# InternalMemCompareMem (
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# IN CONST VOID *DestinationBuffer,
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# IN CONST VOID *SourceBuffer,
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# IN UINTN Length
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemCompareMem):
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push %esi
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push %edi
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movl 12(%esp), %esi
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movl 16(%esp), %edi
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movl 20(%esp), %ecx
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repe cmpsb
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movzbl -1(%esi), %eax
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movzbl -1(%edi), %edx
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subl %edx, %eax
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pop %edi
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pop %esi
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ret
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@ -1,86 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006, Intel Corporation. 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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#
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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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# Module Name:
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#
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# CopyMem.asm
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#
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# Abstract:
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#
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# CopyMem function
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#
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# Notes:
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
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#------------------------------------------------------------------------------
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# VOID *
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# EFIAPI
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# InternalMemCopyMem (
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# IN VOID *Destination,
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# IN VOID *Source,
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# IN UINTN Count
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemCopyMem):
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push %esi
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push %edi
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movl 16(%esp), %esi # esi <- Source
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movl 12(%esp), %edi # edi <- Destination
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movl 20(%esp), %edx # edx <- Count
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leal -1(%esi,%edx,), %eax # eax <- End of Source
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cmpl %edi, %esi
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jae L0
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cmpl %edi, %eax # Overlapped?
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jae L_CopyBackward # Copy backward if overlapped
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L0:
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xorl %ecx, %ecx
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subl %esi, %ecx
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andl $7, %ecx # ecx + esi aligns on 8-byte boundary
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jz L1
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cmpl %edx, %ecx
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cmova %edx, %ecx
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subl %ecx, %edx # edx <- remaining bytes to copy
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rep
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movsb
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L1:
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movl %edx, %ecx
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andl $7, %edx
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shrl $3, %ecx # ecx <- # of Qwords to copy
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jz L_CopyBytes
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pushl %eax
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pushl %eax
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movq %mm0, (%esp) # save mm0
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L2:
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movq (%esi), %mm0
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movq %mm0, (%edi)
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addl $8, %esi
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addl $8, %edi
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loop L2
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movq (%esp), %mm0 # restore mm0
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popl %ecx # stack cleanup
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popl %ecx # stack cleanup
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jmp L_CopyBytes
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L_CopyBackward:
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movl %eax, %esi # esi <- Last byte in Source
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leal -1(%edi,%edx,), %edi # edi <- Last byte in Destination
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std
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L_CopyBytes:
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movl %edx, %ecx
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rep
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movsb
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cld
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movl 12(%esp), %eax
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pop %edi
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pop %esi
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ret
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@ -1,52 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. 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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#
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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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# Module Name:
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#
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# ScanMem16.Asm
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#
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# Abstract:
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#
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# ScanMem16 function
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#
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# Notes:
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#
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# The following BaseMemoryLib instances contain the same copy of this file:
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#
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# BaseMemoryLibRepStr
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# BaseMemoryLibMmx
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# BaseMemoryLibSse2
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# BaseMemoryLibOptDxe
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# BaseMemoryLibOptPei
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
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#------------------------------------------------------------------------------
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# CONST VOID *
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# EFIAPI
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# InternalMemScanMem16 (
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# IN CONST VOID *Buffer,
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# IN UINTN Length,
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# IN UINT16 Value
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemScanMem16):
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push %edi
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movl 12(%esp), %ecx
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movl 8(%esp), %edi
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movl 16(%esp), %eax
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repne scasw
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leal -2(%edi), %eax
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cmovnz %ecx, %eax
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pop %edi
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ret
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@ -1,52 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. 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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#
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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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# Module Name:
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#
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# ScanMem32.Asm
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#
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# Abstract:
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#
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# ScanMem32 function
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#
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# Notes:
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#
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# The following BaseMemoryLib instances contain the same copy of this file:
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#
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# BaseMemoryLibRepStr
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# BaseMemoryLibMmx
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# BaseMemoryLibSse2
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# BaseMemoryLibOptDxe
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# BaseMemoryLibOptPei
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
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#------------------------------------------------------------------------------
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# CONST VOID *
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# EFIAPI
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# InternalMemScanMem32 (
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# IN CONST VOID *Buffer,
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# IN UINTN Length,
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# IN UINT32 Value
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemScanMem32):
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push %edi
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movl 12(%esp), %ecx
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movl 8(%esp), %edi
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movl 16(%esp), %eax
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repne scasl
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leal -4(%edi), %eax
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cmovnz %ecx, %eax
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pop %edi
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ret
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@ -1,61 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. 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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#
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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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# Module Name:
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#
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# ScanMem64.Asm
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#
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# Abstract:
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#
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# ScanMem64 function
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#
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# Notes:
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#
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# The following BaseMemoryLib instances contain the same copy of this file:
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#
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# BaseMemoryLibRepStr
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# BaseMemoryLibMmx
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# BaseMemoryLibSse2
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# BaseMemoryLibOptDxe
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# BaseMemoryLibOptPei
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
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#------------------------------------------------------------------------------
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# CONST VOID *
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# EFIAPI
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# InternalMemScanMem64 (
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# IN CONST VOID *Buffer,
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# IN UINTN Length,
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# IN UINT64 Value
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemScanMem64):
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push %edi
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movl 12(%esp), %ecx
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movl 16(%esp), %eax
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movl 20(%esp), %edx
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movl 8(%esp), %edi
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L0:
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cmpl (%edi), %eax
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leal 8(%edi), %edi
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loopne L0
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jne L1
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cmpl -4(%edi), %edx
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jecxz L1
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jne L0
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L1:
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leal -8(%edi), %eax
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cmovne %ecx, %eax
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pop %edi
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ret
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@ -1,52 +0,0 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. 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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# Module Name:
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#
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# ScanMem8.Asm
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#
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# Abstract:
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#
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# ScanMem8 function
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#
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# Notes:
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#
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# The following BaseMemoryLib instances contain the same copy of this file:
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#
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# BaseMemoryLibRepStr
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# BaseMemoryLibMmx
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# BaseMemoryLibSse2
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# BaseMemoryLibOptDxe
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# BaseMemoryLibOptPei
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
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#------------------------------------------------------------------------------
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# CONST VOID *
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# EFIAPI
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# InternalMemScanMem8 (
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# IN CONST VOID *Buffer,
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# IN UINTN Length,
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# IN UINT8 Value
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemScanMem8):
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push %edi
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movl 12(%esp), %ecx
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movl 8(%esp), %edi
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movb 16(%esp), %al
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repne scasb
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leal -1(%edi), %eax
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cmovnz %ecx, %eax
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pop %edi
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ret
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@ -1,66 +0,0 @@
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#------------------------------------------------------------------------------
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#
|
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# Copyright (c) 2006, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem.asm
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalMemSetMem)
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#------------------------------------------------------------------------------
|
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# VOID *
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# InternalMemSetMem (
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# IN VOID *Buffer,
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# IN UINTN Count,
|
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# IN UINT8 Value
|
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# )
|
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemSetMem):
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push %edi
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movb 16(%esp), %al
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movb %al, %ah
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shrdl $16, %eax, %edx
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shldl $16, %edx, %eax
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movl 12(%esp), %ecx # ecx <- Count
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movl 8(%esp), %edi # edi <- Buffer
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movl %ecx, %edx
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andl $7, %edx
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shrl $3, %ecx # # of Qwords to set
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jz L1
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addl $-16, %esp
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movq %mm0, (%esp) # save mm0
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movq %mm1, 8(%esp) # save mm1
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movd %eax, %mm0
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movd %eax, %mm1
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psllq $32, %mm0
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por %mm1, %mm0 # fill mm0 with 8 Value's
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L0:
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movq %mm0, (%edi)
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addl $8, %edi
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loop L0
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movq (%esp), %mm0 # restore mm0
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||||
movq 8(%esp), %mm1 # restore mm1
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addl $0x10, %esp # stack cleanup
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L1:
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movl %edx, %ecx
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rep
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stosb
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movl 8(%esp), %eax # eax <- Buffer as return value
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pop %edi
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ret
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|
|
@ -1,59 +0,0 @@
|
|||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem16.asm
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem16 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# InternalMemSetMem16 (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT16 Value
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_PFX(InternalMemSetMem16):
|
||||
push %edi
|
||||
movl 16(%esp), %eax
|
||||
shrdl $16, %eax, %edx
|
||||
shldl $16, %edx, %eax
|
||||
movl 12(%esp), %edx
|
||||
movl 8(%esp), %edi
|
||||
movl %edx, %ecx
|
||||
andl $3, %edx
|
||||
shrl $2, %ecx
|
||||
jz L1
|
||||
movd %eax, %mm0
|
||||
movd %eax, %mm1
|
||||
psllq $32, %mm0
|
||||
por %mm1, %mm0
|
||||
L0:
|
||||
movq %mm0, (%edi)
|
||||
addl $8, %edi
|
||||
loop L0
|
||||
L1:
|
||||
movl %edx, %ecx
|
||||
rep
|
||||
stosw
|
||||
movl 8(%esp), %eax
|
||||
pop %edi
|
||||
ret
|
||||
|
|
@ -1,52 +0,0 @@
|
|||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem32.asm
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem32 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# InternalMemSetMem32 (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT32 Value
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_PFX(InternalMemSetMem32):
|
||||
movl 4(%esp), %eax
|
||||
movl 8(%esp), %ecx
|
||||
movd 12(%esp), %mm0
|
||||
shrl %ecx
|
||||
movl %eax, %edx
|
||||
jz L1
|
||||
movq %mm0, %mm1
|
||||
psllq $32, %mm1
|
||||
por %mm1, %mm0
|
||||
L0:
|
||||
movq %mm0, (%edx)
|
||||
lea 8(%edx), %edx
|
||||
loop L0
|
||||
L1:
|
||||
jnc L2
|
||||
movd %mm0, (%edx)
|
||||
L2:
|
||||
ret
|
||||
|
|
@ -1,43 +0,0 @@
|
|||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem64.asm
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem64 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# InternalMemSetMem64 (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT64 Value
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_PFX(InternalMemSetMem64):
|
||||
movl 4(%esp), %eax
|
||||
movl 8(%esp), %ecx
|
||||
movq 12(%esp), %mm0
|
||||
movl %eax, %edx
|
||||
L0:
|
||||
movq %mm0, (%edx)
|
||||
lea 8(%edx), %edx
|
||||
loop L0
|
||||
ret
|
||||
|
|
@ -1,54 +0,0 @@
|
|||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# ZeroMem.asm
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# ZeroMem function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# EFIAPI
|
||||
# InternalMemZeroMem (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_PFX(InternalMemZeroMem):
|
||||
push %edi
|
||||
movl 8(%esp), %edi
|
||||
movl 12(%esp), %ecx
|
||||
movl %ecx, %edx
|
||||
shrl $3, %ecx
|
||||
jz L_ZeroBytes
|
||||
pxor %mm0, %mm0
|
||||
L0:
|
||||
movq %mm0, (%edi)
|
||||
addl $8, %edi
|
||||
loop L0
|
||||
L_ZeroBytes:
|
||||
andl $7, %edx
|
||||
xorl %eax, %eax
|
||||
movl %edx, %ecx
|
||||
rep
|
||||
stosb
|
||||
movl 8(%esp), %eax
|
||||
pop %edi
|
||||
ret
|
||||
|
|
@ -1,59 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from CompareMem.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# CompareMem.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# CompareMem function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
# The following BaseMemoryLib instances contain the same copy of this file:
|
||||
#
|
||||
# BaseMemoryLibRepStr
|
||||
# BaseMemoryLibMmx
|
||||
# BaseMemoryLibSse2
|
||||
# BaseMemoryLibOptDxe
|
||||
# BaseMemoryLibOptPei
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# INTN
|
||||
# EFIAPI
|
||||
# InternalMemCompareMem (
|
||||
# IN CONST VOID *DestinationBuffer,
|
||||
# IN CONST VOID *SourceBuffer,
|
||||
# IN UINTN Length
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
|
||||
ASM_PFX(InternalMemCompareMem):
|
||||
pushq %rsi
|
||||
pushq %rdi
|
||||
movq %rcx, %rsi
|
||||
movq %rdx, %rdi
|
||||
movq %r8, %rcx
|
||||
repe cmpsb
|
||||
movzbq -1(%rsi), %rax
|
||||
movzbq -1(%rdi), %rdx
|
||||
subq %rdx, %rax
|
||||
popq %rdi
|
||||
popq %rsi
|
||||
ret
|
||||
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from CopyMem.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# CopyMem.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# CopyMem function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# EFIAPI
|
||||
# InternalMemCopyMem (
|
||||
# IN VOID *Destination,
|
||||
# IN VOID *Source,
|
||||
# IN UINTN Count
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
|
||||
ASM_PFX(InternalMemCopyMem):
|
||||
pushq %rsi
|
||||
pushq %rdi
|
||||
movq %rdx, %rsi # rsi <- Source
|
||||
movq %rcx, %rdi # rdi <- Destination
|
||||
leaq -1(%rsi, %r8,), %r9 # r9 <- End of Source
|
||||
cmpq %rdi, %rsi
|
||||
movq %rdi, %rax # rax <- Destination as return value
|
||||
jae L0
|
||||
cmpq %rdi, %r9
|
||||
jae L_CopyBackward # Copy backward if overlapped
|
||||
L0:
|
||||
movq %r8, %rcx
|
||||
andq $7, %r8
|
||||
shrq $3, %rcx # rcx <- # of Qwords to copy
|
||||
jz L_CopyBytes
|
||||
movd %mm0, %r10 # (Save mm0 in r10)
|
||||
L1:
|
||||
movq (%rsi), %mm0
|
||||
movntq %mm0, (%rdi)
|
||||
addq $8, %rsi
|
||||
addq $8, %rdi
|
||||
loop L1
|
||||
mfence
|
||||
movd %r10, %mm0 # (Restore mm0)
|
||||
jmp L_CopyBytes
|
||||
L_CopyBackward:
|
||||
movq %r9, %rsi # rsi <- End of Source
|
||||
leaq -1(%rdi, %r8,), %rdi # rdi <- End of Destination
|
||||
std # set direction flag
|
||||
L_CopyBytes:
|
||||
movq %r8, %rcx
|
||||
rep movsb # Copy bytes backward
|
||||
cld
|
||||
popq %rdi
|
||||
popq %rsi
|
||||
ret
|
||||
|
|
@ -1,56 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from ScanMem16.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# ScanMem16.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# ScanMem16 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
# The following BaseMemoryLib instances contain the same copy of this file:
|
||||
#
|
||||
# BaseMemoryLibRepStr
|
||||
# BaseMemoryLibMmx
|
||||
# BaseMemoryLibSse2
|
||||
# BaseMemoryLibOptDxe
|
||||
# BaseMemoryLibOptPei
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# CONST VOID *
|
||||
# EFIAPI
|
||||
# InternalMemScanMem16 (
|
||||
# IN CONST VOID *Buffer,
|
||||
# IN UINTN Length,
|
||||
# IN UINT16 Value
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
|
||||
ASM_PFX(InternalMemScanMem16):
|
||||
pushq %rdi
|
||||
movq %rcx, %rdi
|
||||
movq %r8, %rax
|
||||
movq %rdx, %rcx
|
||||
repne scasw
|
||||
leaq -2(%rdi), %rax
|
||||
cmovnz %rcx, %rax
|
||||
popq %rdi
|
||||
ret
|
||||
|
||||
|
|
@ -1,56 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from ScanMem32.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# ScanMem32.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# ScanMem32 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
# The following BaseMemoryLib instances contain the same copy of this file:
|
||||
#
|
||||
# BaseMemoryLibRepStr
|
||||
# BaseMemoryLibMmx
|
||||
# BaseMemoryLibSse2
|
||||
# BaseMemoryLibOptDxe
|
||||
# BaseMemoryLibOptPei
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# CONST VOID *
|
||||
# EFIAPI
|
||||
# InternalMemScanMem32 (
|
||||
# IN CONST VOID *Buffer,
|
||||
# IN UINTN Length,
|
||||
# IN UINT32 Value
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
|
||||
ASM_PFX(InternalMemScanMem32):
|
||||
pushq %rdi
|
||||
movq %rcx, %rdi
|
||||
movq %r8, %rax
|
||||
movq %rdx, %rcx
|
||||
repne scasl
|
||||
leaq -4(%rdi), %rax
|
||||
cmovnz %rcx, %rax
|
||||
popq %rdi
|
||||
ret
|
||||
|
||||
|
|
@ -1,55 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from ScanMem64.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# ScanMem64.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# ScanMem64 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
# The following BaseMemoryLib instances contain the same copy of this file:
|
||||
#
|
||||
# BaseMemoryLibRepStr
|
||||
# BaseMemoryLibMmx
|
||||
# BaseMemoryLibSse2
|
||||
# BaseMemoryLibOptDxe
|
||||
# BaseMemoryLibOptPei
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# CONST VOID *
|
||||
# EFIAPI
|
||||
# InternalMemScanMem64 (
|
||||
# IN CONST VOID *Buffer,
|
||||
# IN UINTN Length,
|
||||
# IN UINT64 Value
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
|
||||
ASM_PFX(InternalMemScanMem64):
|
||||
pushq %rdi
|
||||
movq %rcx, %rdi
|
||||
movq %r8, %rax
|
||||
movq %rdx, %rcx
|
||||
repne scasq
|
||||
leaq -8(%rdi), %rax
|
||||
cmovnz %rcx, %rax
|
||||
popq %rdi
|
||||
ret
|
||||
|
|
@ -1,56 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from ScanMem8.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# ScanMem8.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# ScanMem8 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
# The following BaseMemoryLib instances contain the same copy of this file:
|
||||
#
|
||||
# BaseMemoryLibRepStr
|
||||
# BaseMemoryLibMmx
|
||||
# BaseMemoryLibSse2
|
||||
# BaseMemoryLibOptDxe
|
||||
# BaseMemoryLibOptPei
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# CONST VOID *
|
||||
# EFIAPI
|
||||
# InternalMemScanMem8 (
|
||||
# IN CONST VOID *Buffer,
|
||||
# IN UINTN Length,
|
||||
# IN UINT8 Value
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
|
||||
ASM_PFX(InternalMemScanMem8):
|
||||
pushq %rdi
|
||||
movq %rcx, %rdi
|
||||
movq %rdx, %rcx
|
||||
movq %r8, %rax
|
||||
repne scasb
|
||||
leaq -1(%rdi), %rax
|
||||
cmovnz %rcx, %rax # set rax to 0 if not found
|
||||
popq %rdi
|
||||
ret
|
||||
|
||||
|
|
@ -1,61 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from SetMem.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# EFIAPI
|
||||
# InternalMemSetMem (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT8 Value
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem)
|
||||
ASM_PFX(InternalMemSetMem):
|
||||
push %rdi
|
||||
movq %r8, %rax
|
||||
movb %al, %ah
|
||||
movd %rax, %mm0
|
||||
movq %rcx, %r8
|
||||
movq %r8, %rdi # rdi <- Buffer
|
||||
movq %rdx, %rcx
|
||||
andq $7, %rdx
|
||||
shrq $3, %rcx
|
||||
jz L_SetBytes
|
||||
.byte 0x0f, 0x70, 0x0C0, 0x00
|
||||
L0:
|
||||
movntq %mm0, (%rdi)
|
||||
addq $8, %rdi
|
||||
loop L0
|
||||
mfence
|
||||
L_SetBytes:
|
||||
movl %edx, %ecx
|
||||
rep stosb
|
||||
movq %r8, %rax
|
||||
pop %rdi
|
||||
ret
|
||||
|
||||
|
|
@ -1,60 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from SetMem16.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem16.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem16 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# EFIAPI
|
||||
# InternalMemSetMem16 (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT16 Value
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
|
||||
ASM_PFX(InternalMemSetMem16):
|
||||
pushq %rdi
|
||||
movq %r8, %rax
|
||||
movd %rax, %mm0
|
||||
movq %rcx, %r8
|
||||
movq %r8, %rdi
|
||||
movq %rdx, %rcx
|
||||
andl $3, %edx
|
||||
shrq $2, %rcx
|
||||
jz L_SetWords
|
||||
.byte 0x0f, 0x70, 0x0C0, 0x00
|
||||
L0:
|
||||
movntq %mm0, (%rdi)
|
||||
addq $8, %rdi
|
||||
loop L0
|
||||
mfence
|
||||
L_SetWords:
|
||||
movl %edx, %ecx
|
||||
rep stosw
|
||||
movq %r8, %rax
|
||||
popq %rdi
|
||||
ret
|
||||
|
||||
|
|
@ -1,55 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from SetMem32.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem32.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem32 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# EFIAPI
|
||||
# InternalMemSetMem32 (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT32 Value
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
|
||||
ASM_PFX(InternalMemSetMem32):
|
||||
movd %r8, %mm0 # mm0 <- Value
|
||||
movq %rcx, %rax # rax <- Buffer
|
||||
xchgq %rdx, %rcx # rcx <- Count rdx <- Buffer
|
||||
shrq $1, % rcx # rcx <- # of qwords to set
|
||||
jz L_SetDwords
|
||||
.byte 0x0f, 0x70, 0x0C0, 0x44
|
||||
L0:
|
||||
movntq %mm0, (%rdx)
|
||||
leaq 8(%rdx), %rdx # use "lea" to avoid flag changes
|
||||
loop L0
|
||||
mfence
|
||||
L_SetDwords:
|
||||
jnc L1
|
||||
movd %mm0, (%rdx)
|
||||
L1:
|
||||
ret
|
||||
|
||||
|
|
@ -1,47 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from SetMem64.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2018, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# SetMem64.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# SetMem64 function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# InternalMemSetMem64 (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count,
|
||||
# IN UINT64 Value
|
||||
# )
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
|
||||
ASM_PFX(InternalMemSetMem64):
|
||||
movd %r8, %mm0 #Value
|
||||
movq %rcx, %rax #rax <- Buffer
|
||||
xchg %rdx, %rcx #rcx <- Count
|
||||
L0:
|
||||
movntq %mm0, (%rdx)
|
||||
addq $8, %rdx
|
||||
loop L0
|
||||
mfence
|
||||
ret
|
||||
|
||||
|
|
@ -1,57 +0,0 @@
|
|||
#
|
||||
# ConvertAsm.py: Automatically generated from ZeroMem.asm
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
#
|
||||
# Copyright (c) 2006 - 2009, Intel Corporation. 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
|
||||
# http://opensource.org/licenses/bsd-license.php.
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
# Module Name:
|
||||
#
|
||||
# ZeroMem.S
|
||||
#
|
||||
# Abstract:
|
||||
#
|
||||
# ZeroMem function
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# VOID *
|
||||
# InternalMemZeroMem (
|
||||
# IN VOID *Buffer,
|
||||
# IN UINTN Count
|
||||
# );
|
||||
#------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
|
||||
ASM_PFX(InternalMemZeroMem):
|
||||
pushq %rdi
|
||||
movq %rcx, %rdi
|
||||
movq %rdx, %rcx
|
||||
movq %rdi, %r8
|
||||
andq $7, %rdx
|
||||
shrq $3, %rcx
|
||||
jz L_ZeroBytes
|
||||
pxor %mm0, %mm0
|
||||
L0:
|
||||
movntq %mm0, (%rdi)
|
||||
addq $8, %rdi
|
||||
loop L0
|
||||
mfence
|
||||
L_ZeroBytes:
|
||||
xorl %eax, %eax
|
||||
movl %edx, %ecx
|
||||
rep stosb
|
||||
movq %r8, %rax
|
||||
popq %rdi
|
||||
ret
|
||||
|
||||
Loading…
Reference in New Issue