From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- .../Library/BaseMemoryLibSse2/Ia32/ScanMem32.nasm | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 roms/edk2/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.nasm (limited to 'roms/edk2/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.nasm') diff --git a/roms/edk2/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.nasm b/roms/edk2/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.nasm new file mode 100644 index 000000000..9d602f0f4 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.nasm @@ -0,0 +1,48 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
+; SPDX-License-Identifier: BSD-2-Clause-Patent +; +; Module Name: +; +; ScanMem32.Asm +; +; Abstract: +; +; ScanMem32 function +; +; Notes: +; +; The following BaseMemoryLib instances contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem32 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem32) +ASM_PFX(InternalMemScanMem32): + push edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov eax, [esp + 16] + repne scasd + lea eax, [edi - 4] + cmovnz eax, ecx + pop edi + ret + -- cgit 1.2.3-korg