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/* $Id: bs3-cmn-SelProtFar32ToFlat32.c $ */
/** @file
* BS3Kit - Bs3SelProtFar32ToFlat32
*/
/*
* Copyright (C) 2007-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#include "bs3kit-template-header.h"
#undef Bs3SelProtFar32ToFlat32
BS3_CMN_DEF(uint32_t, Bs3SelProtFar32ToFlat32,(uint32_t off, uint16_t uSel))
{
uint32_t uRet;
PCX86DESC pEntry;
if (!(uSel & X86_SEL_LDT))
pEntry = &Bs3Gdt[uSel >> X86_SEL_SHIFT];
else
pEntry = &Bs3Ldt[uSel >> X86_SEL_SHIFT];
uRet = pEntry->Gen.u16BaseLow;
uRet |= (uint32_t)pEntry->Gen.u8BaseHigh1 << 16;
uRet |= (uint32_t)pEntry->Gen.u8BaseHigh2 << 24;
uRet += off;
return uRet;
}
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