/* $Id: bs3-cmn-RegCtxConvertV86ToRm.c 95491 2022-07-03 23:37:29Z vboxsync $ */ /** @file * BS3Kit - Bs3RegCtxConvertV86ToRm */ /* * Copyright (C) 2007-2022 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" #undef Bs3RegCtxConvertV86ToRm BS3_CMN_DEF(void, Bs3RegCtxConvertV86ToRm,(PBS3REGCTX pRegCtx)) { BS3_ASSERT(BS3_MODE_IS_V86(pRegCtx->bMode)); pRegCtx->cr0.u32 &= ~(X86_CR0_PE | X86_CR0_PG); pRegCtx->rflags.u32 &= ~X86_EFL_VM; pRegCtx->fbFlags |= BS3REG_CTX_F_NO_TR_LDTR | BS3REG_CTX_F_NO_AMD64; pRegCtx->bCpl = 0; pRegCtx->bMode = BS3_MODE_RM; }