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 --- roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMm1.c | 36 +++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMm1.c (limited to 'roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMm1.c') diff --git a/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMm1.c b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMm1.c new file mode 100644 index 000000000..0ed311e41 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadMm1.c @@ -0,0 +1,36 @@ +/** @file + AsmReadMm1 function + + Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + + + + +/** + Reads the current value of 64-bit MMX Register #1 (MM1). + + Reads and returns the current value of MM1. This function is only available + on IA-32 and x64. + + @return The current value of MM1. + +**/ +UINT64 +EFIAPI +AsmReadMm1 ( + VOID + ) +{ + _asm { + push eax + push eax + movq [esp], mm1 + pop eax + pop edx + emms + } +} + -- cgit 1.2.3-korg