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/ReadGdtr.c | 33 ++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadGdtr.c (limited to 'roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadGdtr.c') diff --git a/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadGdtr.c b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadGdtr.c new file mode 100644 index 000000000..5b01300b4 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ReadGdtr.c @@ -0,0 +1,33 @@ +/** @file + AsmReadGdtr function + + Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + + +#include "BaseLibInternals.h" + + +/** + Reads the current Global Descriptor Table Register(GDTR) descriptor. + + Reads and returns the current GDTR descriptor and returns it in Gdtr. This + function is only available on IA-32 and x64. + + @param Gdtr The pointer to a GDTR descriptor. + +**/ +VOID +EFIAPI +InternalX86ReadGdtr ( + OUT IA32_DESCRIPTOR *Gdtr + ) +{ + _asm { + mov eax, Gdtr + sgdt fword ptr [eax] + } +} + -- cgit 1.2.3-korg