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Ported to GNU assembly. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@187 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bbahnsen 2006-05-17 16:10:32 +00:00
parent b546c3ade2
commit b6bd81d45f
11 changed files with 478 additions and 0 deletions
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46
MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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.Asm
#
# Abstract:
#
# CompareMem function
#
# Notes:
#
# The following BaseMemoryLib instances share the same version of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
#
#------------------------------------------------------------------------------
.686:
.code:
.global InternalMemCompareMem
InternalMemCompareMem:
push %esi
push %edi
movl 12(%esp),%esi
movl 16(%esp),%edi
movl 20(%esp),%ecx
repe cmpsb
movzbl -1(%esi), %eax
movzbl -1(%edi), %edx
subl %edx,%eax
pop %edi
pop %esi
ret

58
MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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.Asm
#
# Abstract:
#
# CopyMem function
#
# Notes:
#
#------------------------------------------------------------------------------
.386:
.code:
.global InternalMemCopyMem
InternalMemCopyMem:
push %esi
push %edi
movl 16(%esp),%esi # esi <- Source
movl 12(%esp),%edi # edi <- Destination
movl 20(%esp),%edx # edx <- Count
leal -1(%edi,%edx),%eax # eax <- End of Destination
cmpl %edi,%esi
jae L0
cmpl %esi,%eax
jae @CopyBackward # Copy backward if overlapped
L0:
movl %edx,%ecx
andl $3,%edx
shrl $2,%ecx
rep
movsl # Copy as many Dwords as possible
jmp @CopyBytes
@CopyBackward:
movl %eax,%edi # edi <- End of Destination
leal -1(%esi,%edx),%esi # esi <- End of Source
std
@CopyBytes:
movl %edx,%ecx
rep
movsb # Copy bytes backward
cld
movl 12(%esp),%eax # eax <- Destination as return value
push %edi
push %esi
ret

43
MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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.Asm
#
# Abstract:
#
# ScanMem16 function
#
# Notes:
#
# The following BaseMemoryLib instances share the same version of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
#
#------------------------------------------------------------------------------
.686:
.code:
.global InternalMemScanMem16
InternalMemScanMem16:
push %edi
movl 12(%esp),%ecx
movl 8(%esp),%edi
movl 16(%esp),%eax
repne scasw
leal -2(%edi),%eax
cmovnz %ecx, %eax
pop %edi
ret

43
MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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.Asm
#
# Abstract:
#
# ScanMem32 function
#
# Notes:
#
# The following BaseMemoryLib instances share the same version of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
#
#------------------------------------------------------------------------------
.686:
.code:
.global InternalMemScanMem32
InternalMemScanMem32:
push %edi
movl 12(%esp),%ecx
movl 8(%esp),%edi
movl 16(%esp),%eax
repne scasl
leal -4(%edi),%eax
cmovnz %ecx, %eax
pop %edi
ret

52
MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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.Asm
#
# Abstract:
#
# ScanMem64 function
#
# Notes:
#
# The following BaseMemoryLib instances share the same version of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
#
#------------------------------------------------------------------------------
.686:
.code:
InternalMemScanMem64:
push %edi
movl 12(%esp),%ecx
movl 16(%esp),%eax
movl 20(%esp),%edx
movl 8(%esp),%edi
L0:
cmpl (%edi),%eax
leal 8(%edi),%edi
loopne L0
jne L1
cmpl -4(%edi),%edx
jecxz L1
jne L0
L1:
leal -8(%edi),%eax
cmovne %ecx, %eax
pop %edi
ret

42
MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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.Asm
#
# Abstract:
#
# ScanMem8 function
#
# Notes:
#
# The following BaseMemoryLib instances share the same version of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
#
#------------------------------------------------------------------------------
.686:
.code:
.global InternalMemScanMem8
InternalMemScanMem8:
push %edi
movl 12(%esp),%ecx
movl 8(%esp),%edi
movb 16(%esp),%al
repne scasb
leal -1(%edi),%eax
cmovnz %ecx, %eax
ret

36
MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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:
#
#------------------------------------------------------------------------------
.386:
.code:
.global InternalMemSetMem
InternalMemSetMem:
push %edi
movl 16(%esp),%eax
movl 8(%esp),%edi
movl 12(%esp),%ecx
rep
stosb
movl 8(%esp),%eax
ret

37
MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.s Normal file
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@ -0,0 +1,37 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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:
#
#------------------------------------------------------------------------------
.386:
.code:
.global InternalMemSetMem16
InternalMemSetMem16:
push %edi
movl 16(%esp),%eax
movl 8(%esp),%edi
movl 12(%esp),%ecx
rep
stosw
movl 8(%esp),%eax
pop %edi
ret

37
MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.s Normal file
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@ -0,0 +1,37 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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:
#
#------------------------------------------------------------------------------
.386:
.code:
.global InternalMemSetMem32
InternalMemSetMem32:
push %edi
movl 16(%esp),%eax
movl 8(%esp),%edi
movl 12(%esp),%ecx
rep
stosl
movl 8(%esp),%eax
pop %edi
ret

40
MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.s Normal file
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@ -0,0 +1,40 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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:
#
#------------------------------------------------------------------------------
.386:
.code:
.global InternalMemSetMem64
InternalMemSetMem64:
push %edi
movl 12(%esp),%ecx
movl 16(%esp),%eax
movl 20(%esp),%edx
movl 8(%esp),%edi
L0:
mov %eax,-8(%edi,%ecx,4)
mov %edx,-4(%edi,%ecx,4)
loop L0
movl %edi,%eax
pop %edi
ret

44
MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.s Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. 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:
#
#------------------------------------------------------------------------------
.386:
.code:
.global InternalMemZeroMem
InternalMemZeroMem:
push %edi
xorl %eax,%eax
movl 8(%esp),%edi
movl 12(%esp),%ecx
movl %ecx,%edx
shrl $2,%ecx
andl $3,%edx
pushl %edi
rep
stosl
movl %edx,%ecx
rep
stosb
popl %eax
pop %edi
ret