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Diffstat (limited to '')
-rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TrapSetJmpAndRestoreWithExtCtxAndRm.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TrapSetJmpAndRestoreWithExtCtxAndRm.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TrapSetJmpAndRestoreWithExtCtxAndRm.c new file mode 100644 index 00000000..95d038a2 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TrapSetJmpAndRestoreWithExtCtxAndRm.c @@ -0,0 +1,66 @@ +/* $Id: bs3-cmn-TrapSetJmpAndRestoreWithExtCtxAndRm.c $ */ +/** @file + * BS3Kit - Bs3TrapSetJmpAndRestoreWithExtCtxAndRm + */ + +/* + * Copyright (C) 2007-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "bs3kit-template-header.h" + + +#undef Bs3TrapSetJmpAndRestoreWithExtCtxAndRm +BS3_CMN_DEF(void, Bs3TrapSetJmpAndRestoreWithExtCtxAndRm,(PCBS3REGCTX pCtxRestore, PCBS3EXTCTX pExtCtxRestore, + PBS3TRAPFRAME pTrapFrame, PBS3EXTCTX pExtCtxTrap)) +{ + if ( pCtxRestore->bMode != BS3_MODE_RM +#if ARCH_BITS == 16 + || g_bBs3CurrentMode == BS3_MODE_RM +#endif + ) + { + BS3_ASSERT((pCtxRestore->bMode & BS3_MODE_SYS_MASK) == (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)); + Bs3TrapSetJmpAndRestoreWithExtCtx(pCtxRestore, pExtCtxRestore, pTrapFrame, pExtCtxTrap); + } + else + { + /* ASSUMES compile emits no SSE instructions between the calls here + (only a potential issue in 64-bit mode). */ + Bs3ExtCtxRestoreEx(pExtCtxRestore); + Bs3TrapSetJmpAndRestoreInRm(pCtxRestore, pTrapFrame); + Bs3ExtCtxSaveEx(pExtCtxTrap); + } +} + |