From 1380b8d060015e4277d0e492dd339b0acf8d05a9 Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Mon, 30 May 2016 18:52:13 -0700 Subject: [PATCH] MdePkg BaseMemoryLibSse2: Convert X64/SetMem32.asm to NASM The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert X64/SetMem32.asm to X64/SetMem32.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen --- .../BaseMemoryLibSse2/BaseMemoryLibSse2.inf | 2 + .../BaseMemoryLibSse2/X64/SetMem32.nasm | 68 +++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm diff --git a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf index 434ebaaf5d..f7693b1ae6 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf +++ b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf @@ -105,6 +105,7 @@ X64/ZeroMem.asm X64/SetMem64.nasm X64/SetMem64.asm + X64/SetMem32.nasm X64/SetMem32.asm X64/SetMem16.asm X64/SetMem.asm @@ -123,6 +124,7 @@ X64/ZeroMem.S X64/SetMem64.nasm X64/SetMem64.S + X64/SetMem32.nasm X64/SetMem32.S X64/SetMem16.S X64/SetMem.S diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm new file mode 100644 index 0000000000..a9bb43a2b6 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm @@ -0,0 +1,68 @@ +;------------------------------------------------------------------------------ +; +; 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.nasm +; +; Abstract: +; +; SetMem32 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT8 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem32) +ASM_PFX(InternalMemSetMem32): + push rdi + mov rdi, rcx + mov r9, rdi + xor rcx, rcx + sub rcx, rdi + and rcx, 15 + mov rax, r8 + jz .0 + shr rcx, 2 + cmp rcx, rdx + cmova rcx, rdx + sub rdx, rcx + rep stosd +.0: + mov rcx, rdx + and edx, 3 + shr rcx, 2 + jz @SetDwords + movd xmm0, eax + pshufd xmm0, xmm0, 0 +.1: + movntdq [rdi], xmm0 + add rdi, 16 + loop .1 + mfence +@SetDwords: + mov ecx, edx + rep stosd + mov rax, r9 + pop rdi + ret + -- 2.39.2