| 1 | /* $Id: bs3-cmn-Trap64SetGate.c 59286 2016-01-08 00:23:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Bs3Trap64SetGate
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2015 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 | * Header Files *
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| 29 | *********************************************************************************************************************************/
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| 30 | #include "bs3kit-template-header.h"
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| 31 |
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| 32 |
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| 33 | BS3_DECL(void) Bs3Trap64SetGate(uint8_t iIdt, uint8_t bType, uint8_t bDpl, uint16_t uSel, uint64_t off, uint8_t bIst)
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| 34 | {
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| 35 | X86DESC64 BS3_FAR *pIdte = &BS3_DATA_NM(Bs3Idt64)[iIdt];
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| 36 |
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| 37 | BS3_ASSERT(bDpl <= 3);
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| 38 | BS3_ASSERT(bType <= 15);
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| 39 | BS3_ASSERT(bIst <= 7);
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| 40 | pIdte->Gate.u16OffsetLow = (uint16_t)off;
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| 41 | pIdte->Gate.u16OffsetHigh = (uint16_t)((uint32_t)off >> 16);
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| 42 | pIdte->Gate.u32OffsetTop = (uint32_t)(off >> 32);
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| 43 | pIdte->Gate.u16Sel = uSel;
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| 44 | pIdte->Gate.u3IST = bIst;
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| 45 | pIdte->Gate.u4Type = bType;
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| 46 | pIdte->Gate.u2Dpl = bDpl;
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| 47 | pIdte->Gate.u5Reserved = 0;
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| 48 | pIdte->Gate.u1DescType = 0; /* system */
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| 49 | pIdte->Gate.u1Present = 1;
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| 50 | pIdte->Gate.u32Reserved = 0;
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| 51 |
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| 52 | }
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| 53 |
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