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/* $Id: bs3-cmn-SelSetup32BitCode.c $ */
/** @file
* BS3Kit - Bs3SelSetup32BitCode
*/
/*
* Copyright (C) 2007-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <bs3kit.h>
#undef Bs3SelSetup32BitCode
BS3_CMN_DEF(void, Bs3SelSetup32BitCode,(X86DESC BS3_FAR *pDesc, uint32_t uBaseAddr, uint32_t uLimit, uint8_t bDpl))
{
uint8_t const cLimitShift = uLimit <= UINT32_C(0xfffff) ? 0 : 12;
pDesc->Gen.u16LimitLow = (uint16_t)(uLimit >> cLimitShift);
pDesc->Gen.u16BaseLow = (uint16_t)uBaseAddr;
pDesc->Gen.u8BaseHigh1 = (uint8_t)(uBaseAddr >> 16);
pDesc->Gen.u4Type = X86_SEL_TYPE_ER_ACC;
pDesc->Gen.u1DescType = 1; /* data/code */
pDesc->Gen.u2Dpl = bDpl & 3;
pDesc->Gen.u1Present = 1;
pDesc->Gen.u4LimitHigh = (unsigned)(uLimit >> (16 + cLimitShift));
pDesc->Gen.u1Available = 0;
pDesc->Gen.u1Long = 0;
pDesc->Gen.u1DefBig = 1;
pDesc->Gen.u1Granularity = cLimitShift != 0;
pDesc->Gen.u8BaseHigh2 = (uint8_t)(uBaseAddr >> 24);
}
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