]> git.proxmox.com Git - mirror_edk2.git/commitdiff
MdePkg BaseMemoryLibRepStr: Convert X64/ScanMem64.asm to NASM
authorJordan Justen <jordan.l.justen@intel.com>
Tue, 31 May 2016 01:52:11 +0000 (18:52 -0700)
committerLiming Gao <liming.gao@intel.com>
Tue, 28 Jun 2016 01:51:20 +0000 (09:51 +0800)
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/ScanMem64.asm to X64/ScanMem64.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm [new file with mode: 0644]

index d7e60ffdf97ea1f5c680ccae52782d0212a91d50..2451192f593cd16fbf0ec9fc575e27b18c3b410f 100644 (file)
@@ -92,6 +92,7 @@
   Ia32/CopyMem.asm\r
 \r
 [Sources.X64]\r
+  X64/ScanMem64.nasm\r
   X64/ScanMem64.S\r
   X64/ScanMem32.S\r
   X64/ScanMem16.S\r
   X64/SetMem16.S\r
   X64/SetMem.S\r
   X64/CopyMem.S\r
+  X64/ScanMem64.nasm\r
   X64/ScanMem64.asm\r
   X64/ScanMem32.asm\r
   X64/ScanMem16.asm\r
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm
new file mode 100644 (file)
index 0000000..7efcf6a
--- /dev/null
@@ -0,0 +1,55 @@
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006 - 2008, 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
+;   ScanMem64.Asm\r
+;\r
+; Abstract:\r
+;\r
+;   ScanMem64 function\r
+;\r
+; Notes:\r
+;\r
+;   The following BaseMemoryLib instances contain the same copy of this file:\r
+;\r
+;       BaseMemoryLibRepStr\r
+;       BaseMemoryLibMmx\r
+;       BaseMemoryLibSse2\r
+;       BaseMemoryLibOptDxe\r
+;       BaseMemoryLibOptPei\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+    DEFAULT REL\r
+    SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; CONST VOID *\r
+; EFIAPI\r
+; InternalMemScanMem64 (\r
+;   IN      CONST VOID                *Buffer,\r
+;   IN      UINTN                     Length,\r
+;   IN      UINT64                    Value\r
+;   );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalMemScanMem64)\r
+ASM_PFX(InternalMemScanMem64):\r
+    push    rdi\r
+    mov     rdi, rcx\r
+    mov     rax, r8\r
+    mov     rcx, rdx\r
+    repne   scasq\r
+    lea     rax, [rdi - 8]\r
+    cmovnz  rax, rcx\r
+    pop     rdi\r
+    ret\r
+\r