From 91fecd655a9665d7abcb104f37be0ebcac188d8b Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Mon, 30 May 2016 18:52:10 -0700 Subject: [PATCH] MdePkg BaseMemoryLibRepStr: Convert Ia32/ZeroMem.asm to NASM The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/ZeroMem.asm to Ia32/ZeroMem.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen --- .../BaseMemoryLibRepStr.inf | 2 + .../BaseMemoryLibRepStr/Ia32/ZeroMem.nasm | 49 +++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm diff --git a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf index a717045635..caf259dabb 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf +++ b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf @@ -56,6 +56,7 @@ Ia32/ScanMem8.S Ia32/CompareMem.nasm Ia32/CompareMem.S + Ia32/ZeroMem.nasm Ia32/ZeroMem.S Ia32/SetMem64.S Ia32/SetMem32.S @@ -72,6 +73,7 @@ Ia32/ScanMem8.asm Ia32/CompareMem.nasm Ia32/CompareMem.asm + Ia32/ZeroMem.nasm Ia32/ZeroMem.asm Ia32/SetMem64.asm Ia32/SetMem32.asm diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm new file mode 100644 index 0000000000..9a92220343 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm @@ -0,0 +1,49 @@ +;------------------------------------------------------------------------------ +; +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemZeroMem) +ASM_PFX(InternalMemZeroMem): + push edi + xor eax, eax + mov edi, [esp + 8] + mov ecx, [esp + 12] + mov edx, ecx + shr ecx, 2 + and edx, 3 + push edi + rep stosd + mov ecx, edx + rep stosb + pop eax + pop edi + ret + -- 2.39.2