diff options
Diffstat (limited to 'Core/MdePkg/Library/BaseMemoryLibSse2/Ia32')
22 files changed, 1409 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S new file mode 100644 index 0000000000..b509586adb --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S @@ -0,0 +1,55 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.Asm
+#
+# Abstract:
+#
+# CompareMem function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
+
+#------------------------------------------------------------------------------
+# INTN
+# EFIAPI
+# InternalMemCompareMem (
+# IN CONST VOID *DestinationBuffer,
+# IN CONST VOID *SourceBuffer,
+# IN UINTN Length
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.asm new file mode 100644 index 0000000000..5a0792d592 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.asm @@ -0,0 +1,56 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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.Asm
+;
+; Abstract:
+;
+; CompareMem function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; INTN
+; EFIAPI
+; InternalMemCompareMem (
+; IN CONST VOID *DestinationBuffer,
+; IN CONST VOID *SourceBuffer,
+; IN UINTN Length
+; );
+;------------------------------------------------------------------------------
+InternalMemCompareMem PROC USES esi edi
+ mov esi, [esp + 12]
+ mov edi, [esp + 16]
+ mov ecx, [esp + 20]
+ repe cmpsb
+ movzx eax, byte ptr [esi - 1]
+ movzx edx, byte ptr [edi - 1]
+ sub eax, edx
+ ret
+InternalMemCompareMem ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S new file mode 100644 index 0000000000..17414abd72 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S @@ -0,0 +1,85 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.asm
+#
+# Abstract:
+#
+# CopyMem function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
+
+#------------------------------------------------------------------------------
+# VOID *
+# EFIAPI
+# InternalMemCopyMem (
+# IN VOID *Destination,
+# IN VOID *Source,
+# IN UINTN Count
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.asm new file mode 100644 index 0000000000..a57a628bb2 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.asm @@ -0,0 +1,84 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+; CopyMem.asm
+;
+; Abstract:
+;
+; CopyMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; InternalMemCopyMem (
+; IN VOID *Destination,
+; IN VOID *Source,
+; IN UINTN Count
+; );
+;------------------------------------------------------------------------------
+InternalMemCopyMem PROC USES esi edi
+ mov esi, [esp + 16] ; esi <- Source
+ mov edi, [esp + 12] ; edi <- Destination
+ mov edx, [esp + 20] ; edx <- Count
+ lea eax, [esi + edx - 1] ; eax <- End of Source
+ cmp esi, edi
+ jae @F
+ cmp eax, edi ; Overlapped?
+ jae @CopyBackward ; Copy backward if overlapped
+@@:
+ xor ecx, ecx
+ sub ecx, edi
+ and ecx, 15 ; ecx + edi aligns on 16-byte boundary
+ jz @F
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx ; edx <- remaining bytes to copy
+ rep movsb
+@@:
+ mov ecx, edx
+ and edx, 15
+ shr ecx, 4 ; ecx <- # of DQwords to copy
+ jz @CopyBytes
+ add esp, -16
+ movdqu [esp], xmm0 ; save xmm0
+@@:
+ movdqu xmm0, [esi] ; esi may not be 16-bytes aligned
+ movntdq [edi], xmm0 ; edi should be 16-bytes aligned
+ add esi, 16
+ add edi, 16
+ loop @B
+ mfence
+ movdqu xmm0, [esp] ; restore xmm0
+ add esp, 16 ; stack cleanup
+ jmp @CopyBytes
+@CopyBackward:
+ mov esi, eax ; esi <- Last byte in Source
+ lea edi, [edi + edx - 1] ; edi <- Last byte in Destination
+ std
+@CopyBytes:
+ mov ecx, edx
+ rep movsb
+ cld
+ mov eax, [esp + 12] ; eax <- Destination as return value
+ ret
+InternalMemCopyMem ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S new file mode 100644 index 0000000000..e247d4ad09 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S @@ -0,0 +1,52 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.Asm
+#
+# Abstract:
+#
+# ScanMem16 function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
+
+#------------------------------------------------------------------------------
+# CONST VOID *
+# EFIAPI
+# InternalMemScanMem16 (
+# IN CONST VOID *Buffer,
+# IN UINTN Length,
+# IN UINT16 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.asm new file mode 100644 index 0000000000..0ee190e46a --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.asm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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.Asm
+;
+; Abstract:
+;
+; ScanMem16 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem16 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT16 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemScanMem16 PROC USES edi
+ mov ecx, [esp + 12]
+ mov edi, [esp + 8]
+ mov eax, [esp + 16]
+ repne scasw
+ lea eax, [edi - 2]
+ cmovnz eax, ecx
+ ret
+InternalMemScanMem16 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S new file mode 100644 index 0000000000..066fde42ce --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S @@ -0,0 +1,52 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.Asm
+#
+# Abstract:
+#
+# ScanMem32 function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
+
+#------------------------------------------------------------------------------
+# CONST VOID *
+# EFIAPI
+# InternalMemScanMem32 (
+# IN CONST VOID *Buffer,
+# IN UINTN Length,
+# IN UINT32 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.asm new file mode 100644 index 0000000000..adbf295621 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.asm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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.Asm
+;
+; Abstract:
+;
+; ScanMem32 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem32 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT32 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemScanMem32 PROC USES edi
+ mov ecx, [esp + 12]
+ mov edi, [esp + 8]
+ mov eax, [esp + 16]
+ repne scasd
+ lea eax, [edi - 4]
+ cmovnz eax, ecx
+ ret
+InternalMemScanMem32 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S new file mode 100644 index 0000000000..b3435d7fc3 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S @@ -0,0 +1,61 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.Asm
+#
+# Abstract:
+#
+# ScanMem64 function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
+
+#------------------------------------------------------------------------------
+# CONST VOID *
+# EFIAPI
+# InternalMemScanMem64 (
+# IN CONST VOID *Buffer,
+# IN UINTN Length,
+# IN UINT64 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.asm new file mode 100644 index 0000000000..0a0f5d0468 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.asm @@ -0,0 +1,64 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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.Asm
+;
+; Abstract:
+;
+; ScanMem64 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem64 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT64 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemScanMem64 PROC USES edi
+ mov ecx, [esp + 12]
+ mov eax, [esp + 16]
+ mov edx, [esp + 20]
+ mov edi, [esp + 8]
+@@:
+ cmp eax, [edi]
+ lea edi, [edi + 8]
+ loopne @B
+ jne @F
+ cmp edx, [edi - 4]
+ jecxz @F
+ jne @B
+@@:
+ lea eax, [edi - 8]
+ cmovne eax, ecx
+ ret
+InternalMemScanMem64 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S new file mode 100644 index 0000000000..5e451fd7b9 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S @@ -0,0 +1,52 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.Asm
+#
+# Abstract:
+#
+# ScanMem8 function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
+
+#------------------------------------------------------------------------------
+# CONST VOID *
+# EFIAPI
+# InternalMemScanMem8 (
+# IN CONST VOID *Buffer,
+# IN UINTN Length,
+# IN UINT8 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.asm new file mode 100644 index 0000000000..c64d41d6c1 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.asm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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.Asm
+;
+; Abstract:
+;
+; ScanMem8 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem8 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT8 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemScanMem8 PROC USES edi
+ mov ecx, [esp + 12]
+ mov edi, [esp + 8]
+ mov al, [esp + 16]
+ repne scasb
+ lea eax, [edi - 1]
+ cmovnz eax, ecx
+ ret
+InternalMemScanMem8 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S new file mode 100644 index 0000000000..63e2a993e7 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S @@ -0,0 +1,76 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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:
+#
+#------------------------------------------------------------------------------
+
+
+ #.MODEL flat,C
+ .xmm:
+ .code:
+
+#------------------------------------------------------------------------------
+# VOID *
+# _mem_SetMem (
+# IN VOID *Buffer,
+# IN UINTN Count,
+# IN UINT8 Value
+# );
+#------------------------------------------------------------------------------
+ASM_GLOBAL ASM_PFX(InternalMemSetMem)
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.asm new file mode 100644 index 0000000000..369cc00b63 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.asm @@ -0,0 +1,75 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT8 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemSetMem PROC USES edi
+ mov edx, [esp + 12] ; edx <- Count
+ mov edi, [esp + 8] ; edi <- Buffer
+ mov al, [esp + 16] ; al <- Value
+ xor ecx, ecx
+ sub ecx, edi
+ and ecx, 15 ; ecx + edi aligns on 16-byte boundary
+ jz @F
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx
+ rep stosb
+@@:
+ mov ecx, edx
+ and edx, 15
+ shr ecx, 4 ; ecx <- # of DQwords to set
+ jz @SetBytes
+ mov ah, al ; ax <- Value | (Value << 8)
+ add esp, -16
+ movdqu [esp], xmm0 ; save xmm0
+ movd xmm0, eax
+ pshuflw xmm0, xmm0, 0 ; xmm0[0..63] <- Value repeats 8 times
+ movlhps xmm0, xmm0 ; xmm0 <- Value repeats 16 times
+@@:
+ movntdq [edi], xmm0 ; edi should be 16-byte aligned
+ add edi, 16
+ loop @B
+ mfence
+ movdqu xmm0, [esp] ; restore xmm0
+ add esp, 16 ; stack cleanup
+@SetBytes:
+ mov ecx, edx
+ rep stosb
+ mov eax, [esp + 8] ; eax <- Buffer as return value
+ ret
+InternalMemSetMem ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S new file mode 100644 index 0000000000..9222a18b35 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S @@ -0,0 +1,69 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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 *
+# EFIAPI
+# InternalMemSetMem16 (
+# IN VOID *Buffer,
+# IN UINTN Count,
+# IN UINT16 Value
+# )
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.asm new file mode 100644 index 0000000000..3725512c0a --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.asm @@ -0,0 +1,71 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem16 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT16 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemSetMem16 PROC USES edi
+ mov edx, [esp + 12]
+ mov edi, [esp + 8]
+ xor ecx, ecx
+ sub ecx, edi
+ and ecx, 15 ; ecx + edi aligns on 16-byte boundary
+ mov eax, [esp + 16]
+ jz @F
+ shr ecx, 1
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx
+ rep stosw
+@@:
+ mov ecx, edx
+ and edx, 7
+ shr ecx, 3
+ jz @SetWords
+ movd xmm0, eax
+ pshuflw xmm0, xmm0, 0
+ movlhps xmm0, xmm0
+@@:
+ movntdq [edi], xmm0 ; edi should be 16-byte aligned
+ add edi, 16
+ loop @B
+ mfence
+@SetWords:
+ mov ecx, edx
+ rep stosw
+ mov eax, [esp + 8]
+ ret
+InternalMemSetMem16 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S new file mode 100644 index 0000000000..0edbaa2046 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S @@ -0,0 +1,68 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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 *
+# EFIAPI
+# InternalMemSetMem32 (
+# IN VOID *Buffer,
+# IN UINTN Count,
+# IN UINT32 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.asm new file mode 100644 index 0000000000..4c3aa4249f --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.asm @@ -0,0 +1,70 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem32 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT32 Value
+; );
+;------------------------------------------------------------------------------
+InternalMemSetMem32 PROC USES edi
+ mov edx, [esp + 12]
+ mov edi, [esp + 8]
+ xor ecx, ecx
+ sub ecx, edi
+ and ecx, 15 ; ecx + edi aligns on 16-byte boundary
+ mov eax, [esp + 16]
+ jz @F
+ shr ecx, 2
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx
+ rep stosd
+@@:
+ mov ecx, edx
+ and edx, 3
+ shr ecx, 2
+ jz @SetDwords
+ movd xmm0, eax
+ pshufd xmm0, xmm0, 0
+@@:
+ movntdq [edi], xmm0
+ add edi, 16
+ loop @B
+ mfence
+@SetDwords:
+ mov ecx, edx
+ rep stosd
+ mov eax, [esp + 8]
+ ret
+InternalMemSetMem32 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S new file mode 100644 index 0000000000..c9e6d63788 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S @@ -0,0 +1,58 @@ +#------------------------------------------------------------------------------
+#
+# 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.S
+#
+# Abstract:
+#
+# SetMem64 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
+
+#------------------------------------------------------------------------------
+# VOID *
+# EFIAPI
+# InternalMemSetMem64 (
+# IN VOID *Buffer,
+# IN UINTN Count,
+# IN UINT64 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(InternalMemSetMem64):
+ movl 4(%esp), %eax
+ movl 8(%esp), %ecx
+ testb $8, %al
+ movl %eax, %edx
+ movq 0xc(%esp), %xmm0
+ jz L1
+ movq %xmm0, (%edx)
+ addl $8, %edx
+ decl %ecx
+L1:
+ shrl %ecx
+ jz L_SetQwords
+ movlhps %xmm0, %xmm0
+L2:
+ movntdq %xmm0, (%edx)
+ leal 16(%edx), %edx
+ loop L2
+ mfence
+L_SetQwords:
+ jnc L3
+ movq %xmm0, (%edx)
+L3:
+ ret
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm new file mode 100644 index 0000000000..d6f52a0239 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm @@ -0,0 +1,64 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem64 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT64 Value
+; )
+;------------------------------------------------------------------------------
+InternalMemSetMem64 PROC
+ mov eax, [esp + 4] ; eax <- Buffer
+ mov ecx, [esp + 8] ; ecx <- Count
+ test al, 8
+ mov edx, eax
+ movq xmm0, qword ptr [esp + 12]
+ jz @F
+ movq qword ptr [edx], xmm0
+ add edx, 8
+ dec ecx
+@@:
+ shr ecx, 1
+ jz @SetQwords
+ movlhps xmm0, xmm0
+@@:
+ movntdq [edx], xmm0
+ lea edx, [edx + 16]
+ loop @B
+ mfence
+@SetQwords:
+ jnc @F
+ movq qword ptr [edx], xmm0
+@@:
+ ret
+InternalMemSetMem64 ENDP
+
+ END
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S new file mode 100644 index 0000000000..fc9f0596d3 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S @@ -0,0 +1,65 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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), %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
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.asm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.asm new file mode 100644 index 0000000000..97252b145b --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.asm @@ -0,0 +1,67 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemZeroMem (
+; IN VOID *Buffer,
+; IN UINTN Count
+; );
+;------------------------------------------------------------------------------
+InternalMemZeroMem PROC USES edi
+ mov edi, [esp + 8]
+ mov edx, [esp + 12]
+ xor ecx, ecx
+ sub ecx, edi
+ xor eax, eax
+ and ecx, 15
+ jz @F
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx
+ rep stosb
+@@:
+ mov ecx, edx
+ and edx, 15
+ shr ecx, 4
+ jz @ZeroBytes
+ pxor xmm0, xmm0
+@@:
+ movntdq [edi], xmm0
+ add edi, 16
+ loop @B
+ mfence
+@ZeroBytes:
+ mov ecx, edx
+ rep stosb
+ mov eax, [esp + 8]
+ ret
+InternalMemZeroMem ENDP
+
+ END
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