/* $Id: bs3-cmn-TrapSetHandlerEx.c 76553 2019-01-01 01:45:53Z vboxsync $ */
/** @file
 * BS3Kit - Bs3Trap32SetHandlerEx
 */

/*
 * 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.
 */


/*********************************************************************************************************************************
*   Header Files                                                                                                                 *
*********************************************************************************************************************************/
#include "bs3kit-template-header.h"
#include <iprt/asm-amd64-x86.h>


/*********************************************************************************************************************************
*   External Symbols                                                                                                             *
*********************************************************************************************************************************/
extern uint16_t     BS3_DATA_NM(g_apfnBs3TrapHandlers_c16)[256];
extern uint32_t     BS3_DATA_NM(g_apfnBs3TrapHandlers_c32)[256];
extern uint64_t     BS3_DATA_NM(g_apfnBs3TrapHandlers_c64)[256];


#undef Bs3TrapSetHandlerEx
BS3_CMN_DEF(void, Bs3TrapSetHandlerEx,(uint8_t iIdt, PFNBS3TRAPHANDLER16 pfnHandler16,
                                       PFNBS3TRAPHANDLER32 pfnHandler32, PFNBS3TRAPHANDLER64 pfnHandler64))
{
    RTCCUINTREG fFlags = ASMIntDisableFlags();
#if ARCH_BITS == 16
    /* Far real mode pointers as input. */
    g_apfnBs3TrapHandlers_c16[iIdt]  = (uint16_t)pfnHandler16;
    g_apfnBs3TrapHandlers_c32[iIdt]  = Bs3SelRealModeCodeToFlat((PFNBS3FARADDRCONV)pfnHandler32);
    g_apfnBs3TrapHandlers_c64[iIdt]  = Bs3SelRealModeCodeToFlat((PFNBS3FARADDRCONV)pfnHandler64);
#else
    /* Flat pointers as input. */
    g_apfnBs3TrapHandlers_c16[iIdt]  = (uint16_t)Bs3SelFlatCodeToProtFar16((uintptr_t)pfnHandler16);
    g_apfnBs3TrapHandlers_c32[iIdt]  = (uint32_t)(uintptr_t)pfnHandler32;
    g_apfnBs3TrapHandlers_c64[iIdt]  = (uintptr_t)pfnHandler64;
#endif
    ASMSetFlags(fFlags);
}