Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLibSse2/ia32/CompareMem.asm

@@ -0,0 +1,46 @@
+;------------------------------------------------------------------------------
+;
+; 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
+
+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
+    sub     eax, edx
+    ret
+InternalMemCompareMem   ENDP
+
+    END

MdePkg/Library/BaseMemoryLibSse2/ia32/CopyMem.asm

@@ -0,0 +1,84 @@
+;------------------------------------------------------------------------------
+;
+; 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
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  _mem_CopyMem (
+;    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, [edi + edx - 1]        ; eax <- End of Destination
+    cmp     esi, edi
+    jae     @F
+    cmp     eax, esi                    ; 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     edi, eax                    ; edi <- Last byte in Destination
+    lea     esi, [esi + edx - 1]        ; esi <- Last byte in Source
+    std
+@CopyBytes:
+    mov     ecx, edx
+    rep     movsb
+    cld
+    mov     eax, [esp + 12]             ; eax <- Destination as return value
+    ret
+InternalMemCopyMem  ENDP
+
+    END

MdePkg/Library/BaseMemoryLibSse2/ia32/ScanMem16.asm

@@ -0,0 +1,44 @@
+;------------------------------------------------------------------------------
+;
+; 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
+
+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/BaseMemoryLibSse2/ia32/ScanMem32.asm

@@ -0,0 +1,44 @@
+;------------------------------------------------------------------------------
+;
+; 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
+
+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/BaseMemoryLibSse2/ia32/ScanMem64.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:
+;
+;   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
+
+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/BaseMemoryLibSse2/ia32/ScanMem8.asm

@@ -0,0 +1,44 @@
+;------------------------------------------------------------------------------
+;
+; 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
+
+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/BaseMemoryLibSse2/ia32/SetMem.asm

@@ -0,0 +1,74 @@
+;------------------------------------------------------------------------------
+;
+; 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
+;    )
+;------------------------------------------------------------------------------
+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

MdePkg/Library/BaseMemoryLibSse2/ia32/SetMem16.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:
+;
+;   SetMem16.asm
+;
+; Abstract:
+;
+;   SetMem16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  _mem_SetMem16 (
+;    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

MdePkg/Library/BaseMemoryLibSse2/ia32/SetMem32.asm

@@ -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:
+;
+;   SetMem32.asm
+;
+; Abstract:
+;
+;   SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  _mem_SetMem32 (
+;    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

MdePkg/Library/BaseMemoryLibSse2/ia32/SetMem64.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:
+;
+;   SetMem64.asm
+;
+; Abstract:
+;
+;   SetMem64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  _mem_SetMem64 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT64 Value
+;    )
+;------------------------------------------------------------------------------
+InternalMemSetMem64 PROC    USES    edi
+    mov     ecx, [esp + 12]
+    mov     edi, [esp + 8]
+    test    edi, 8
+    DB      0f2h, 0fh, 12h, 44h, 24h, 16    ; movddup xmm0, [esp + 16]
+    jz      @F
+    movq    [edi], xmm0
+    add     edi, 8
+    dec     ecx
+@@:
+    mov     edx, ecx
+    shr     ecx, 1
+    jz      @SetQwords
+@@:
+    movntdq [edi], xmm0
+    add     edi, 16
+    loop    @B
+    mfence
+@SetQwords:
+    test    dl, 1
+    jz      @F
+    movq    [edi], xmm0
+@@:
+    ret
+InternalMemSetMem64 ENDP
+
+    END

MdePkg/Library/BaseMemoryLibSse2/ia32/ZeroMem.asm

@@ -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:
+;
+;   ZeroMem.asm
+;
+; Abstract:
+;
+;   ZeroMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  _mem_ZeroMem (
+;    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