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1. Port X64, IPF and EBC arch for BaseLib

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2. Port X64 arch codes for BaseMemoryLibRepStr and BaseMemoryLibSee2


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2955 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-07-02 09:34:25 +00:00
parent 29b052646a
commit f1baef624f
371 changed files with 13464 additions and 2205 deletions
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111
MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S
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@@ -1,58 +1,53 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemCompareMem
#------------------------------------------------------------------------------
# INTN
# EFIAPI
# InternalMemCompareMem (
# IN CONST VOID *DestinationBuffer,
# IN CONST VOID *SourceBuffer,
# IN UINTN Length
# );
#------------------------------------------------------------------------------
_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
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemCompareMem
#------------------------------------------------------------------------------
# INTN
# EFIAPI
# InternalMemCompareMem (
# IN CONST VOID *DestinationBuffer,
# IN CONST VOID *SourceBuffer,
# IN UINTN Length
# );
#------------------------------------------------------------------------------
_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

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

175
MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S
View File

@@ -1,90 +1,85 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemCopyMem
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemCopyMem (
# IN VOID *Destination,
# IN VOID *Source,
# IN UINTN Count
# );
#------------------------------------------------------------------------------
_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(%esi,%edx,), %eax # eax <- End of Source
cmpl %edi, %esi
jae L0
cmpl %edi, %eax # Overlapped?
jae L_CopyBackward # Copy backward if overlapped
L0:
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
jz L1
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx # edx <- remaining bytes to copy
rep
movsb
L1:
movl %edx, %ecx
andl $15, %edx
shrl $4, %ecx # ecx <- # of DQwords to copy
jz L_CopyBytes
addl $-16, %esp
movdqu %xmm0, (%esp)
L2:
movdqu (%esi), %xmm0
movntdq %xmm0, (%edi)
addl $16, %esi
addl $16, %edi
loop L2
mfence
movdqu (%esp),%xmm0
addl $16, %esp # stack cleanup
jmp L_CopyBytes
L_CopyBackward:
movl %eax, %esi # esi <- Last byte in Source
leal -1(%edi,%edx,), %edi # edi <- Last byte in Destination
std
L_CopyBytes:
movl %edx, %ecx
rep
movsb
cld
movl 12(%esp), %eax # eax <- Destination as return value
pop %edi
pop %esi
ret
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemCopyMem
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemCopyMem (
# IN VOID *Destination,
# IN VOID *Source,
# IN UINTN Count
# );
#------------------------------------------------------------------------------
_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(%esi,%edx,), %eax # eax <- End of Source
cmpl %edi, %esi
jae L0
cmpl %edi, %eax # Overlapped?
jae L_CopyBackward # Copy backward if overlapped
L0:
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
jz L1
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx # edx <- remaining bytes to copy
rep
movsb
L1:
movl %edx, %ecx
andl $15, %edx
shrl $4, %ecx # ecx <- # of DQwords to copy
jz L_CopyBytes
addl $-16, %esp
movdqu %xmm0, (%esp)
L2:
movdqu (%esi), %xmm0
movntdq %xmm0, (%edi)
addl $16, %esi
addl $16, %edi
loop L2
mfence
movdqu (%esp),%xmm0
addl $16, %esp # stack cleanup
jmp L_CopyBytes
L_CopyBackward:
movl %eax, %esi # esi <- Last byte in Source
leal -1(%edi,%edx,), %edi # edi <- Last byte in Destination
std
L_CopyBytes:
movl %edx, %ecx
rep
movsb
cld
movl 12(%esp), %eax # eax <- Destination as return value
pop %edi
pop %esi
ret

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

105
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
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@@ -1,55 +1,50 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem16
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem16 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT16 Value
# );
#------------------------------------------------------------------------------
_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
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem16
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem16 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT16 Value
# );
#------------------------------------------------------------------------------
_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

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.asm
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@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

105
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S
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@@ -1,55 +1,50 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem32
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem32 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT32 Value
# );
#------------------------------------------------------------------------------
_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
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem32
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem32 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT32 Value
# );
#------------------------------------------------------------------------------
_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

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.asm
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@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

123
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S
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@@ -1,64 +1,59 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem64
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem64 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT64 Value
# );
#------------------------------------------------------------------------------
_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
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem64
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem64 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT64 Value
# );
#------------------------------------------------------------------------------
_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

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

105
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S
View File

@@ -1,55 +1,50 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem8
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem8 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT8 Value
# );
#------------------------------------------------------------------------------
_InternalMemScanMem8:
push %edi
movl 12(%esp), %ecx
movl 8(%esp), %edi
movb 16(%esp), %al
repne scasb
leal -1(%edi), %eax
cmovnz %ecx, %eax
pop %edi
ret
#------------------------------------------------------------------------------
#
# 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
#
#------------------------------------------------------------------------------
.globl _InternalMemScanMem8
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem8 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT8 Value
# );
#------------------------------------------------------------------------------
_InternalMemScanMem8:
push %edi
movl 12(%esp), %ecx
movl 8(%esp), %edi
movb 16(%esp), %al
repne scasb
leal -1(%edi), %eax
cmovnz %ecx, %eax
pop %edi
ret

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

157
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
View File

@@ -1,81 +1,76 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.686:
#.MODEL flat,C
.xmm:
.code:
#------------------------------------------------------------------------------
# VOID *
# _mem_SetMem (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT8 Value
# );
#------------------------------------------------------------------------------
.globl _InternalMemSetMem
_InternalMemSetMem:
push %edi
movl 12(%esp), %edx # edx <- Count
movl 8(%esp), %edi # edi <- Buffer
movb 16(%esp), %al # al <- Value
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
jz L0
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosb
L0:
movl %edx, %ecx
andl $15, %edx
shrl $4, %ecx # ecx <- # of DQwords to set
jz L_SetBytes
movb %al, %ah # ax <- Value | (Value << 8)
addl $-16, %esp
movdqu %xmm0, (%esp)
movd %eax, %xmm0
pshuflw $0, %xmm0, %xmm0
movlhps %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
movdqu (%esp), %xmm0
addl $16, %esp # stack cleanup
L_SetBytes:
movl %edx, %ecx
rep
stosb
movl 8(%esp), %eax # eax <- Buffer as return value
pop %edi
ret
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.686:
#.MODEL flat,C
.xmm:
.code:
#------------------------------------------------------------------------------
# VOID *
# _mem_SetMem (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT8 Value
# );
#------------------------------------------------------------------------------
.globl _InternalMemSetMem
_InternalMemSetMem:
push %edi
movl 12(%esp), %edx # edx <- Count
movl 8(%esp), %edi # edi <- Buffer
movb 16(%esp), %al # al <- Value
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
jz L0
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosb
L0:
movl %edx, %ecx
andl $15, %edx
shrl $4, %ecx # ecx <- # of DQwords to set
jz L_SetBytes
movb %al, %ah # ax <- Value | (Value << 8)
addl $-16, %esp
movdqu %xmm0, (%esp)
movd %eax, %xmm0
pshuflw $0, %xmm0, %xmm0
movlhps %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
movdqu (%esp), %xmm0
addl $16, %esp # stack cleanup
L_SetBytes:
movl %edx, %ecx
rep
stosb
movl 8(%esp), %eax # eax <- Buffer as return value
pop %edi
ret

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

143
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S
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@@ -1,74 +1,69 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemSetMem16
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem16 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT16 Value
# )
#------------------------------------------------------------------------------
_InternalMemSetMem16:
push %edi
movl 12(%esp), %edx
movl 8(%esp), %edi
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
movl 16(%esp), %eax
jz L0
shrl %ecx
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosw
L0:
movl %edx, %ecx
andl $7, %edx
shrl $3, %ecx
jz L_SetWords
movd %eax, %xmm0
pshuflw $0, %xmm0, %xmm0
movlhps %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
L_SetWords:
movl %edx, %ecx
rep
stosw
movl 8(%esp), %eax
pop %edi
ret
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemSetMem16
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem16 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT16 Value
# )
#------------------------------------------------------------------------------
_InternalMemSetMem16:
push %edi
movl 12(%esp), %edx
movl 8(%esp), %edi
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
movl 16(%esp), %eax
jz L0
shrl %ecx
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosw
L0:
movl %edx, %ecx
andl $7, %edx
shrl $3, %ecx
jz L_SetWords
movd %eax, %xmm0
pshuflw $0, %xmm0, %xmm0
movlhps %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
L_SetWords:
movl %edx, %ecx
rep
stosw
movl 8(%esp), %eax
pop %edi
ret

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.asm
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@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

141
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S
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@@ -1,73 +1,68 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemSetMem32
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem32 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT32 Value
# );
#------------------------------------------------------------------------------
_InternalMemSetMem32:
push %edi
movl 12(%esp), %edx
movl 8(%esp), %edi
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
movl 16(%esp), %eax
jz L0
shrl $2, %ecx
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosl
L0:
movl %edx, %ecx
andl $3, %edx
shrl $2, %ecx
jz L_SetDwords
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
L_SetDwords:
movl %edx, %ecx
rep
stosl
movl 8(%esp), %eax
pop %edi
ret
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemSetMem32
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem32 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT32 Value
# );
#------------------------------------------------------------------------------
_InternalMemSetMem32:
push %edi
movl 12(%esp), %edx
movl 8(%esp), %edi
xorl %ecx, %ecx
subl %edi, %ecx
andl $15, %ecx # ecx + edi aligns on 16-byte boundary
movl 16(%esp), %eax
jz L0
shrl $2, %ecx
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosl
L0:
movl %edx, %ecx
andl $3, %edx
shrl $2, %ecx
jz L_SetDwords
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
L_SetDwords:
movl %edx, %ecx
rep
stosl
movl 8(%esp), %eax
pop %edi
ret

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

135
MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S
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@@ -1,70 +1,65 @@
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemZeroMem
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemZeroMem (
# IN VOID *Buffer,
# IN UINTN Count
# );
#------------------------------------------------------------------------------
_InternalMemZeroMem:
push %edi
movl 8(%esp), %edi
movl 12(%esp), %edx
xorl %ecx, %ecx
subl %edi, %ecx
xorl %eax, %eax
andl $15, %ecx
jz L0
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosb
L0:
movl %edx, %ecx
andl $15, %edx
shrl $4, %ecx
jz L_ZeroBytes
pxor %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
L_ZeroBytes:
movl %edx, %ecx
rep
stosb
movl 8(%esp), %eax
pop %edi
ret
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl _InternalMemZeroMem
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemZeroMem (
# IN VOID *Buffer,
# IN UINTN Count
# );
#------------------------------------------------------------------------------
_InternalMemZeroMem:
push %edi
movl 8(%esp), %edi
movl 12(%esp), %edx
xorl %ecx, %ecx
subl %edi, %ecx
xorl %eax, %eax
andl $15, %ecx
jz L0
cmpl %edx, %ecx
cmova %edx, %ecx
subl %ecx, %edx
rep
stosb
L0:
movl %edx, %ecx
andl $15, %edx
shrl $4, %ecx
jz L_ZeroBytes
pxor %xmm0, %xmm0
L1:
movntdq %xmm0, (%edi)
addl $16, %edi
loop L1
mfence
L_ZeroBytes:
movl %edx, %ecx
rep
stosb
movl 8(%esp), %eax
pop %edi
ret

5
MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.asm
View File

@@ -1,8 +1,3 @@
//
// Include common header file for this module.
//
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation

52
MdePkg/Library/BaseMemoryLibSse2/x64/CompareMem.asm Normal file
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@@ -0,0 +1,52 @@
;------------------------------------------------------------------------------
;
; 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
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; INTN
; EFIAPI
; InternalMemCompareMem (
; IN CONST VOID *DestinationBuffer,
; IN CONST VOID *SourceBuffer,
; IN UINTN Length
; );
;------------------------------------------------------------------------------
InternalMemCompareMem PROC USES rsi rdi
mov rsi, rcx
mov rdi, rdx
mov rcx, r8
repe cmpsb
movzx rax, byte ptr [rsi - 1]
movzx rdx, byte ptr [rdi - 1]
sub rax, rdx
ret
InternalMemCompareMem ENDP
END

79
MdePkg/Library/BaseMemoryLibSse2/x64/CopyMem.asm Normal file
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@@ -0,0 +1,79 @@
;------------------------------------------------------------------------------
;
; 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:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; EFIAPI
; InternalMemCopyMem (
; IN VOID *Destination,
; IN VOID *Source,
; IN UINTN Count
; );
;------------------------------------------------------------------------------
InternalMemCopyMem PROC USES rsi rdi
mov rsi, rdx ; rsi <- Source
mov rdi, rcx ; rdi <- Destination
lea r9, [rsi + r8 - 1] ; r9 <- Last byte of Source
cmp rsi, rdi
mov rax, rdi ; rax <- Destination as return value
jae @F ; Copy forward if Source > Destination
cmp r9, rdi ; Overlapped?
jae @CopyBackward ; Copy backward if overlapped
@@:
xor rcx, rcx
sub rcx, rdi ; rcx <- -rdi
and rcx, 15 ; rcx + rsi should be 16 bytes aligned
jz @F ; skip if rcx == 0
cmp rcx, r8
cmova rcx, r8
sub r8, rcx
rep movsb
@@:
mov rcx, r8
and r8, 15
shr rcx, 4 ; rcx <- # of DQwords to copy
jz @CopyBytes
movdqa [rsp + 18h], xmm0 ; save xmm0 on stack
@@:
movdqu xmm0, [rsi] ; rsi may not be 16-byte aligned
movntdq [rdi], xmm0 ; rdi should be 16-byte aligned
add rsi, 16
add rdi, 16
loop @B
mfence
movdqa xmm0, [rsp + 18h] ; restore xmm0
jmp @CopyBytes ; copy remaining bytes
@CopyBackward:
mov rsi, r9 ; rsi <- Last byte of Source
lea rdi, [rdi + r8 - 1] ; rdi <- Last byte of Destination
std
@CopyBytes:
mov rcx, r8
rep movsb
cld
ret
InternalMemCopyMem ENDP
END

51
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem16.asm Normal file
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@@ -0,0 +1,51 @@
;------------------------------------------------------------------------------
;
; 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
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem16 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT16 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem16 PROC USES rdi
mov rdi, rcx
mov rax, r8
mov rcx, rdx
repne scasw
lea rax, [rdi - 2]
cmovnz rax, rcx
ret
InternalMemScanMem16 ENDP
END

51
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem32.asm Normal file
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@@ -0,0 +1,51 @@
;------------------------------------------------------------------------------
;
; 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
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem32 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT32 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem32 PROC USES rdi
mov rdi, rcx
mov rax, r8
mov rcx, rdx
repne scasd
lea rax, [rdi - 4]
cmovnz rax, rcx
ret
InternalMemScanMem32 ENDP
END

51
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem64.asm Normal file
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@@ -0,0 +1,51 @@
;------------------------------------------------------------------------------
;
; 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
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem64 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT64 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem64 PROC USES rdi
mov rdi, rcx
mov rax, r8
mov rcx, rdx
repne scasq
lea rax, [rdi - 8]
cmovnz rax, rcx
ret
InternalMemScanMem64 ENDP
END

51
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem8.asm Normal file
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@@ -0,0 +1,51 @@
;------------------------------------------------------------------------------
;
; 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
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem8 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT8 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem8 PROC USES rdi
mov rdi, rcx
mov rcx, rdx
mov rax, r8
repne scasb
lea rax, [rdi - 1]
cmovnz rax, rcx ; set rax to 0 if not found
ret
InternalMemScanMem8 ENDP
END

69
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem.asm Normal file
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@@ -0,0 +1,69 @@
;------------------------------------------------------------------------------
;
; 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:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; InternalMemSetMem (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT8 Value
; )
;------------------------------------------------------------------------------
InternalMemSetMem PROC USES rdi
mov rdi, rcx ; rdi <- Buffer
mov al, r8b ; al <- Value
mov r9, rdi ; r9 <- Buffer as return value
xor rcx, rcx
sub rcx, rdi
and rcx, 15 ; rcx + rdi aligns on 16-byte boundary
jz @F
cmp rcx, rdx
cmova rcx, rdx
sub rdx, rcx
rep stosb
@@:
mov rcx, rdx
and rdx, 15
shr rcx, 4
jz @SetBytes
mov ah, al ; ax <- Value repeats twice
movdqa [rsp + 10h], xmm0 ; save xmm0
movd xmm0, eax ; xmm0[0..16] <- Value repeats twice
pshuflw xmm0, xmm0, 0 ; xmm0[0..63] <- Value repeats 8 times
movlhps xmm0, xmm0 ; xmm0 <- Value repeats 16 times
@@:
movntdq [rdi], xmm0 ; rdi should be 16-byte aligned
add rdi, 16
loop @B
mfence
movdqa xmm0, [rsp + 10h] ; restore xmm0
@SetBytes:
mov ecx, edx ; high 32 bits of rcx are always zero
rep stosb
mov rax, r9 ; rax <- Return value
ret
InternalMemSetMem ENDP
END

67
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem16.asm Normal file
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@@ -0,0 +1,67 @@
;------------------------------------------------------------------------------
;
; 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:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; InternalMemSetMem16 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT16 Value
; )
;------------------------------------------------------------------------------
InternalMemSetMem16 PROC USES rdi
mov rdi, rcx
mov r9, rdi
xor rcx, rcx
sub rcx, rdi
and rcx, 15
mov rax, r8
jz @F
shr rcx, 1
cmp rcx, rdx
cmova rcx, rdx
sub rdx, rcx
rep stosw
@@:
mov rcx, rdx
and edx, 7
shr rcx, 3
jz @SetWords
movd xmm0, eax
pshuflw xmm0, xmm0, 0
movlhps xmm0, xmm0
@@:
movntdq [rdi], xmm0
add rdi, 16
loop @B
mfence
@SetWords:
mov ecx, edx
rep stosw
mov rax, r9
ret
InternalMemSetMem16 ENDP
END

66
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem32.asm Normal file
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@@ -0,0 +1,66 @@
;------------------------------------------------------------------------------
;
; 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:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; InternalMemSetMem32 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT8 Value
; )
;------------------------------------------------------------------------------
InternalMemSetMem32 PROC USES rdi
mov rdi, rcx
mov r9, rdi
xor rcx, rcx
sub rcx, rdi
and rcx, 15
mov rax, r8
jz @F
shr rcx, 2
cmp rcx, rdx
cmova rcx, rdx
sub rdx, rcx
rep stosd
@@:
mov rcx, rdx
and edx, 3
shr rcx, 2
jz @SetDwords
movd xmm0, eax
pshufd xmm0, xmm0, 0
@@:
movntdq [rdi], xmm0
add rdi, 16
loop @B
mfence
@SetDwords:
mov ecx, edx
rep stosd
mov rax, r9
ret
InternalMemSetMem32 ENDP
END

59
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm Normal file
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@@ -0,0 +1,59 @@
;------------------------------------------------------------------------------
;
; 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:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; InternalMemSetMem64 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT64 Value
; )
;------------------------------------------------------------------------------
InternalMemSetMem64 PROC
mov rax, rcx ; rax <- Buffer
xchg rcx, rdx ; rcx <- Count & rdx <- Buffer
test dl, 8
movd xmm0, r8
jz @F
mov [rdx], r8
add rdx, 8
dec rcx
@@:
shr rcx, 1
jz @SetQwords
movlhps xmm0, xmm0
@@:
movntdq [rdx], xmm0
lea rdx, [rdx + 16]
loop @B
mfence
@SetQwords:
jnc @F
mov [rdx], r8
@@:
ret
InternalMemSetMem64 ENDP
END

63
MdePkg/Library/BaseMemoryLibSse2/x64/ZeroMem.asm Normal file
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@@ -0,0 +1,63 @@
;------------------------------------------------------------------------------
;
; 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:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; InternalMemZeroMem (
; IN VOID *Buffer,
; IN UINTN Count
; )
;------------------------------------------------------------------------------
InternalMemZeroMem PROC USES rdi
mov rdi, rcx
xor rcx, rcx
xor eax, eax
sub rcx, rdi
and rcx, 15
mov r8, rdi
jz @F
cmp rcx, rdx
cmova rcx, rdx
sub rdx, rcx
rep stosb
@@:
mov rcx, rdx
and edx, 15
shr rcx, 4
jz @ZeroBytes
pxor xmm0, xmm0
@@:
movntdq [rdi], xmm0 ; rdi should be 16-byte aligned
add rdi, 16
loop @B
mfence
@ZeroBytes:
mov ecx, edx
rep stosb
mov rax, r8
ret
InternalMemZeroMem ENDP
END