1 | /* $Id: bs3-cmn-Trap16SetGate.c 62484 2016-07-22 18:35:33Z vboxsync $ */
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2 | /** @file
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3 | * BS3Kit - Bs3Trap16SetGate
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2007-2016 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-template-header.h"
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32 |
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33 |
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34 | #undef Bs3Trap16SetGate
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35 | BS3_CMN_DEF(void, Bs3Trap16SetGate,(uint8_t iIdt, uint8_t bType, uint8_t bDpl, uint16_t uSel, uint16_t off, uint8_t cParams))
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36 | {
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37 | X86DESC BS3_FAR *pIdte = &Bs3Idt16[iIdt];
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38 |
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39 | BS3_ASSERT(bDpl <= 3);
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40 | BS3_ASSERT(bType <= 15);
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41 | BS3_ASSERT(cParams <= 15);
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42 | pIdte->Gate.u16OffsetLow = (uint16_t)off;
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43 | pIdte->Gate.u16OffsetHigh = 0;
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44 | pIdte->Gate.u16Sel = uSel;
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45 | pIdte->Gate.u4ParmCount = cParams;
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46 | pIdte->Gate.u4Type = bType;
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47 | pIdte->Gate.u2Dpl = bDpl;
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48 | pIdte->Gate.u4Reserved = 0;
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49 | pIdte->Gate.u1DescType = 0; /* system */
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50 | pIdte->Gate.u1Present = 1;
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51 | }
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52 |
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