MdePkg BaseMemoryLibOptPei: Convert X64/ScanMem8.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/ScanMem8.asm to X64/ScanMem8.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
index 5b563824cf43cd6f30aa3e56bc0d94b313d7922b..89f31375663fa8bc59b9699c3c087e85793cb62c 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
+++ b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
@@ -101,6 +101,7 @@
   X64/ScanMem16.nasm\r
   X64/ScanMem16.asm\r
   X64/ScanMem16.S\r
+  X64/ScanMem8.nasm\r
   X64/ScanMem8.asm\r
   X64/ScanMem8.S\r
   X64/CompareMem.asm\r

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.nasm b/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.nasm
new file mode 100644 (file)
index 0000000..f3f7e8e
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.nasm
@@ -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
+;   ScanMem8.Asm\r
+;\r
+; Abstract:\r
+;\r
+;   ScanMem8 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
+; InternalMemScanMem8 (\r
+;   IN      CONST VOID                *Buffer,\r
+;   IN      UINTN                     Length,\r
+;   IN      UINT8                     Value\r
+;   );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalMemScanMem8)\r
+ASM_PFX(InternalMemScanMem8):\r
+    push    rdi\r
+    mov     rdi, rcx\r
+    mov     rcx, rdx\r
+    mov     rax, r8\r
+    repne   scasb\r
+    lea     rax, [rdi - 1]\r
+    cmovnz  rax, rcx                    ; set rax to 0 if not found\r
+    pop     rdi\r
+    ret\r
+\r