| 1 | /* $Id: bs3-cmn-SelSetup16BitCode.c 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Bs3SelSetup16BitCode
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <bs3kit.h>
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| 32 |
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| 33 |
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| 34 | #undef Bs3SelSetup16BitCode
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| 35 | BS3_CMN_DEF(void, Bs3SelSetup16BitCode,(X86DESC BS3_FAR *pDesc, uint32_t uBaseAddr, uint8_t bDpl))
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| 36 | {
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| 37 | pDesc->Gen.u16LimitLow = UINT16_C(0xffff);
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| 38 | pDesc->Gen.u16BaseLow = (uint16_t)uBaseAddr;
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| 39 | pDesc->Gen.u8BaseHigh1 = (uint8_t)(uBaseAddr >> 16);
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| 40 | pDesc->Gen.u4Type = X86_SEL_TYPE_ER_ACC;
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| 41 | pDesc->Gen.u1DescType = 1; /* data/code */
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| 42 | pDesc->Gen.u2Dpl = bDpl & 3;
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| 43 | pDesc->Gen.u1Present = 1;
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| 44 | pDesc->Gen.u4LimitHigh = 0;
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| 45 | pDesc->Gen.u1Available = 0;
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| 46 | pDesc->Gen.u1Long = 0;
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| 47 | pDesc->Gen.u1DefBig = 0;
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| 48 | pDesc->Gen.u1Granularity = 0;
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| 49 | pDesc->Gen.u8BaseHigh2 = (uint8_t)(uBaseAddr >> 24);
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| 50 | }
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| 51 |
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