EdkCompatibilityPkg: Remove EdkCompatibilityPkg

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / CompilerStub / X64 / memcpy.asm

diff --git a/EdkCompatibilityPkg/Foundation/Library/CompilerStub/X64/memcpy.asm b/EdkCompatibilityPkg/Foundation/Library/CompilerStub/X64/memcpy.asm
deleted file mode 100644 (file)
index 7c53bc1..0000000
--- a/EdkCompatibilityPkg/Foundation/Library/CompilerStub/X64/memcpy.asm
+++ /dev/null
@@ -1,73 +0,0 @@
-;------------------------------------------------------------------------------\r
-;\r
-; Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r
-; This program and the accompanying materials\r
-; are licensed and made available under the terms and conditions of the BSD License\r
-; which accompanies this distribution.  The full text of the license may be found at\r
-; http://opensource.org/licenses/bsd-license.php\r
-;\r
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-;\r
-; Module Name:\r
-;\r
-;   CopyMem.asm\r
-;\r
-; Abstract:\r
-;\r
-;   memcpy function\r
-;\r
-; Notes:\r
-;\r
-;------------------------------------------------------------------------------\r
-\r
-    .code\r
-\r
-;------------------------------------------------------------------------------\r
-; VOID *\r
-; memcpy (\r
-;   OUT     VOID                      *DestinationBuffer,\r
-;   IN      CONST VOID                *SourceBuffer,\r
-;   IN      UINTN                     Length\r
-;   );\r
-;------------------------------------------------------------------------------\r
-memcpy  PROC    USES    rsi rdi\r
-    mov     rax, rcx                    ; rax <- Destination as return value\r
-    cmp     rdx, rcx                    ; if Source == Destination, do nothing\r
-    je      @CopyMemDone\r
-    cmp     r8, 0                       ; if Count == 0, do nothing\r
-    je      @CopyMemDone\r
-    mov     rsi, rdx                    ; rsi <- Source\r
-    mov     rdi, rcx                    ; rdi <- Destination\r
-    lea     r9, [rsi + r8 - 1]          ; r9 <- End of Source\r
-    cmp     rsi, rdi\r
-    jae     @F\r
-    cmp     r9, rdi\r
-    jae     @CopyBackward               ; Copy backward if overlapped\r
-@@:\r
-    mov     rcx, r8\r
-    and     r8, 7\r
-    shr     rcx, 3                      ; rcx <- # of Qwords to copy\r
-    jz      @CopyBytes\r
-    DB      49h, 0fh, 7eh, 0c2h         ; movd r10, mm0 (Save mm0 in r10)\r
-@@:\r
-    DB      0fh, 6fh, 06h               ; movd mm0, [rsi]\r
-    DB      48h, 0fh, 7eh, 07h          ; movd [rdi], mm0\r
-    add     rsi, 8\r
-    add     rdi, 8\r
-    loop    @B\r
-    DB      49h, 0fh, 6eh, 0c2h         ; movd mm0, r10 (Restore mm0)\r
-    jmp     @CopyBytes\r
-@CopyBackward:\r
-    mov     rsi, r9                     ; rsi <- End of Source\r
-    lea     rdi, [rdi + r8 - 1]         ; rdi <- End of Destination\r
-    std                                 ; set direction flag\r
-@CopyBytes:\r
-    mov     rcx, r8\r
-    rep     movsb                       ; Copy bytes backward\r
-    cld\r
-@CopyMemDone:   \r
-    ret\r
-memcpy  ENDP\r
-\r
-    END\r