Import BaseMemoryLibMmx.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3407 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S

@@ -0,0 +1,53 @@
+#------------------------------------------------------------------------------
+#
+# 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

MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.asm

@@ -0,0 +1,54 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   CompareMem.Asm
+;
+; Abstract:
+;
+;   CompareMem function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances share the same version of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .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

MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S

@@ -0,0 +1,86 @@
+#------------------------------------------------------------------------------
+#
+# 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    %esi, %ecx
+    andl    $7, %ecx                    # ecx + esi aligns on 8-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    $7, %edx
+    shrl    $3, %ecx                    # ecx <- # of Qwords to copy
+    jz      L_CopyBytes
+    pushl   %eax
+    pushl   %eax
+    movq    %mm0, (%esp)                # save mm0
+L2:
+    movq    (%esi), %mm0
+    movq    %mm0, (%edi)
+    addl    $8, %esi
+    addl    $8, %edi
+    loop    L2
+    movq    (%esp), %mm0                # restore mm0
+    popl    %ecx                        # stack cleanup
+    popl    %ecx                        # 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
+    pop     %edi
+    pop     %esi
+    ret

MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.asm

@@ -0,0 +1,77 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .mmx
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  EFIAPI
+;  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
+@@:
+    mov     ecx, edx
+    and     edx, 7
+    shr     ecx, 3                      ; ecx <- # of Qwords to copy
+    jz      @CopyBytes
+    push    eax
+    push    eax
+    movq    [esp], mm0                  ; save mm0
+@@:
+    movq    mm0, [esi]
+    movq    [edi], mm0
+    add     esi, 8
+    add     edi, 8
+    loop    @B
+    movq    mm0, [esp]                  ; restore mm0
+    pop     ecx                         ; stack cleanup
+    pop     ecx                         ; 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]
+    ret
+InternalMemCopyMem  ENDP
+
+    END

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S

@@ -0,0 +1,50 @@
+#------------------------------------------------------------------------------
+#
+# 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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.asm

@@ -0,0 +1,53 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   ScanMem16.Asm
+;
+; Abstract:
+;
+;   ScanMem16 function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances share the same version of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S

@@ -0,0 +1,50 @@
+#------------------------------------------------------------------------------
+#
+# 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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.asm

@@ -0,0 +1,53 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   ScanMem32.Asm
+;
+; Abstract:
+;
+;   ScanMem32 function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances share the same version of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S

@@ -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:
+#
+#   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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.asm

@@ -0,0 +1,62 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   ScanMem64.Asm
+;
+; Abstract:
+;
+;   ScanMem64 function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances share the same version of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S

@@ -0,0 +1,50 @@
+#------------------------------------------------------------------------------
+#
+# 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

MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.asm

@@ -0,0 +1,53 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   ScanMem8.Asm
+;
+; Abstract:
+;
+;   ScanMem8 function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances share the same version of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .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

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S

@@ -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:
+#
+#   SetMem.asm
+#
+# Abstract:
+#
+#   SetMem function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl _InternalMemSetMem
+
+#------------------------------------------------------------------------------
+#  VOID *
+#  InternalMemSetMem (
+#    IN VOID   *Buffer,
+#    IN UINTN  Count,
+#    IN UINT8  Value
+#    )
+#------------------------------------------------------------------------------
+_InternalMemSetMem:
+    push    %edi
+    movb    16(%esp), %al
+    movb    %al, %ah
+    shrdl   $16, %eax, %edx
+    shldl   $16, %edx, %eax
+    movl    12(%esp), %ecx              # ecx <- Count
+    movl    8(%esp), %edi               # edi <- Buffer
+    movl    %ecx, %edx
+    andl    $7, %edx
+    shrl    $3, %ecx                    # # of Qwords to set
+    jz      L1
+    addl    $0x-10, %esp
+    movq    %mm0, (%esp)                # save mm0
+    movq    %mm1, 8(%esp)               # save mm1
+    movd    %eax, %mm0
+    movd    %eax, %mm1
+    psllq   $32, %mm0
+    por     %mm1, %mm0                  # fill mm0 with 8 Value's
+L0:
+    movq    %mm0, (%edi)
+    addl    $8, %edi
+    loopl   L0
+    movq    (%esp), %mm0                # restore mm0
+    movq    8(%esp), %mm1               # restore mm1
+    addl    $0x10, %esp                 # stack cleanup
+L1:
+    movl    %edx, %ecx
+    rep
+    stosb
+    movl    8(%esp), %eax               # eax <- Buffer as return value
+    pop     %edi
+    ret

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm

@@ -0,0 +1,70 @@
+;------------------------------------------------------------------------------
+;
+; 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
+    .mmx
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  EFIAPI
+;  InternalMemSetMem (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT8  Value
+;    )
+;------------------------------------------------------------------------------
+InternalMemSetMem   PROC    USES    edi
+    mov     al, [esp + 16]
+    mov     ah, al
+    shrd    edx, eax, 16
+    shld    eax, edx, 16
+    mov     ecx, [esp + 12]             ; ecx <- Count
+    mov     edi, [esp + 8]              ; edi <- Buffer
+    mov     edx, ecx
+    and     edx, 7
+    shr     ecx, 3                      ; # of Qwords to set
+    jz      @SetBytes
+    add     esp, -10h
+    movq    [esp], mm0                  ; save mm0
+    movq    [esp + 8], mm1              ; save mm1
+    movd    mm0, eax
+    movd    mm1, eax
+    psllq   mm0, 32
+    por     mm0, mm1                    ; fill mm0 with 8 Value's
+@@:
+    movq    [edi], mm0
+    add     edi, 8
+    loop    @B
+    movq    mm0, [esp]                  ; restore mm0
+    movq    mm1, [esp + 8]              ; restore mm1
+    add     esp, 10h                    ; stack cleanup
+@SetBytes:
+    mov     ecx, edx
+    rep     stosb
+    mov     eax, [esp + 8]              ; eax <- Buffer as return value
+    ret
+InternalMemSetMem   ENDP
+
+    END

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S

@@ -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:
+#
+#   SetMem16.asm
+#
+# Abstract:
+#
+#   SetMem16 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl _InternalMemSetMem16
+
+#------------------------------------------------------------------------------
+#  VOID *
+#  InternalMemSetMem16 (
+#    IN VOID   *Buffer,
+#    IN UINTN  Count,
+#    IN UINT16 Value
+#    )
+#------------------------------------------------------------------------------
+_InternalMemSetMem16:
+    push    %edi
+    movl    16(%esp), %eax
+    shrdl   $16, %eax, %edx
+    shldl   $16, %edx, %eax
+    movl    12(%esp), %edx
+    movl    8(%esp), %edi
+    movl    %edx, %ecx
+    andl    $3, %edx
+    shrl    $2, %ecx
+    jz      L1
+    movd    %eax, %mm0
+    movd    %eax, %mm1
+    psllq   $32, %mm0
+    por     %mm1, %mm0
+L0:
+    movq    %mm0, (%edi)
+    addl    $8, %edi
+    loopl   L0
+L1:
+    movl    %edx, %ecx
+    rep
+    stosw
+    movl    8(%esp), %eax
+    pop     %edi
+    ret

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm

@@ -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:
+;
+;   SetMem16.asm
+;
+; Abstract:
+;
+;   SetMem16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .mmx
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  EFIAPI
+;  InternalMemSetMem16 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT16 Value
+;    )
+;------------------------------------------------------------------------------
+InternalMemSetMem16 PROC    USES    edi
+    mov     eax, [esp + 16]
+    shrd    edx, eax, 16
+    shld    eax, edx, 16
+    mov     edx, [esp + 12]
+    mov     edi, [esp + 8]
+    mov     ecx, edx
+    and     edx, 3
+    shr     ecx, 2
+    jz      @SetWords
+    movd    mm0, eax
+    movd    mm1, eax
+    psllq   mm0, 32
+    por     mm0, mm1
+@@:
+    movq    [edi], mm0
+    add     edi, 8
+    loop    @B
+@SetWords:
+    mov     ecx, edx
+    rep     stosw
+    mov     eax, [esp + 8]
+    ret
+InternalMemSetMem16 ENDP
+
+    END

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S

@@ -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:
+#
+#   SetMem32.asm
+#
+# Abstract:
+#
+#   SetMem32 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl _InternalMemSetMem32
+
+#------------------------------------------------------------------------------
+#  VOID *
+#  InternalMemSetMem32 (
+#    IN VOID   *Buffer,
+#    IN UINTN  Count,
+#    IN UINT32 Value
+#    )
+#------------------------------------------------------------------------------
+_InternalMemSetMem32:
+    movl    4(%esp), %eax
+    movl    8(%esp), %ecx
+    movd    12(%esp), %mm0
+    shrl    %ecx
+    movl    %eax, %edx
+    jz      L1
+    movq    %mm0, %mm1
+    psllq   $32, %mm1
+    por     %mm1, %mm0
+L0:
+    movq    %mm0, (%edx)
+    lea     8(%edx), %edx
+    loopl   L0
+L1:
+    jnc     L2
+    movd    %mm0, (%edx)
+L2:
+    ret

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm

@@ -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:
+;
+;   SetMem32.asm
+;
+; Abstract:
+;
+;   SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .mmx
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  EFIAPI
+;  InternalMemSetMem32 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT32 Value
+;    );
+;------------------------------------------------------------------------------
+InternalMemSetMem32 PROC
+    mov     eax, [esp + 4]              ; eax <- Buffer as return value
+    mov     ecx, [esp + 8]              ; ecx <- Count
+    movd    mm0, [esp + 12]             ; mm0 <- Value
+    shr     ecx, 1                      ; ecx <- number of qwords to set
+    mov     edx, eax                    ; edx <- Buffer
+    jz      @SetDwords
+    movq    mm1, mm0
+    psllq   mm1, 32
+    por     mm0, mm1
+@@:
+    movq    [edx], mm0
+    lea     edx, [edx + 8]              ; use "lea" to avoid change in flags
+    loop    @B
+@SetDwords:
+    jnc     @F
+    movd    [edx], mm0
+@@:
+    ret
+InternalMemSetMem32 ENDP
+
+    END

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S

@@ -0,0 +1,43 @@
+#------------------------------------------------------------------------------
+#
+# 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:
+#
+#------------------------------------------------------------------------------
+
+.globl _InternalMemSetMem64
+
+#------------------------------------------------------------------------------
+#  VOID *
+#  InternalMemSetMem64 (
+#    IN VOID   *Buffer,
+#    IN UINTN  Count,
+#    IN UINT64 Value
+#    )
+#------------------------------------------------------------------------------
+_InternalMemSetMem64:
+    movl    4(%esp), %eax
+    movl    8(%esp), %ecx
+    movq    12(%esp), %mm0
+    movl    %eax, %edx
+L0:
+    movq    %mm0, (%edx)
+    lea     8(%edx), %edx
+    loopl   L0
+    ret

MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.asm

@@ -0,0 +1,50 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .mmx
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  EFIAPI
+;  InternalMemSetMem64 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT64 Value
+;    )
+;------------------------------------------------------------------------------
+InternalMemSetMem64 PROC
+    mov     eax, [esp + 4]
+    mov     ecx, [esp + 8]
+    movq    mm0, [esp + 12]
+    mov     edx, eax
+@@:
+    movq    [edx], mm0
+    add     edx, 8
+    loop    @B
+    ret
+InternalMemSetMem64 ENDP
+
+    END

MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S

@@ -0,0 +1,54 @@
+#------------------------------------------------------------------------------
+#
+# 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), %ecx
+    movl    %ecx, %edx
+    shrl    $3, %ecx
+    jz      L_ZeroBytes
+    pxor    %mm0, %mm0
+L0:
+    movq    %mm0, (%edi)
+    addl    $8, %edi
+    loop    L0
+L_ZeroBytes:
+    andl    $7, %edx
+    xorl    %eax, %eax
+    movl    %edx, %ecx
+    rep
+    stosb
+    movl    8(%esp), %eax
+    pop     %edi
+    ret

MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm

@@ -0,0 +1,56 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .mmx
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  InternalMemZeroMem (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count
+;    );
+;------------------------------------------------------------------------------
+InternalMemZeroMem  PROC    USES    edi
+    mov     edi, [esp + 8]
+    mov     ecx, [esp + 12]
+    mov     edx, ecx
+    shr     ecx, 3
+    jz      @ZeroBytes
+    pxor    mm0, mm0
+@@:
+    movq    [edi], mm0
+    add     edi, 8
+    loop    @B
+@ZeroBytes:
+    and     edx, 7
+    xor     eax, eax
+    mov     ecx, edx
+    rep     stosb
+    mov     eax, [esp + 8]
+    ret
+InternalMemZeroMem  ENDP
+
+    END