| 1 | /* $Id: bs3-cmn-TrapSetJmpAndRestoreInRm.c 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Bs3TrapSetJmpAndRestoreInRm
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include "bs3kit-template-header.h"
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| 42 |
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| 43 |
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| 44 | /*********************************************************************************************************************************
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| 45 | * Internal Functions *
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| 46 | *********************************************************************************************************************************/
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| 47 | /* assembly helpers */
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| 48 | BS3_MODE_PROTO_NOSB(void, Bs3TrapSetJmpAndRestoreInRmAsm, (uint32_t, uint32_t));
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| 49 |
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| 50 |
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| 51 | #undef Bs3TrapSetJmpAndRestoreInRm
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| 52 | BS3_CMN_DEF(void, Bs3TrapSetJmpAndRestoreInRm,(PCBS3REGCTX pCtxRestore, PBS3TRAPFRAME pTrapFrame))
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| 53 | {
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| 54 | #if TMPL_BITS == 16
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| 55 | if (g_bBs3CurrentMode == BS3_MODE_RM)
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| 56 | Bs3TrapSetJmpAndRestore(pCtxRestore, pTrapFrame);
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| 57 | else
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| 58 | #endif
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| 59 | {
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| 60 | uint32_t const pfRealModeCtxRestore = Bs3SelFlatDataToRealMode(Bs3SelPtrToFlat((PBS3REGCTX)pCtxRestore));
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| 61 | uint32_t const pfRealModeTrapFrame = Bs3SelFlatDataToRealMode(Bs3SelPtrToFlat(pTrapFrame));
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| 62 |
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| 63 | #if TMPL_BITS == 16
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| 64 | switch (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)
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| 65 | {
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| 66 | case BS3_MODE_SYS_PE16:
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| 67 | Bs3TrapSetJmpAndRestoreInRmAsm_pe16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 68 | break;
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| 69 | case BS3_MODE_SYS_PE32:
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| 70 | Bs3TrapSetJmpAndRestoreInRmAsm_pe32_16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 71 | break;
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| 72 | case BS3_MODE_SYS_PP16:
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| 73 | Bs3TrapSetJmpAndRestoreInRmAsm_pp16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 74 | break;
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| 75 | case BS3_MODE_SYS_PP32:
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| 76 | Bs3TrapSetJmpAndRestoreInRmAsm_pp32_16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 77 | break;
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| 78 | case BS3_MODE_SYS_PAE16:
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| 79 | Bs3TrapSetJmpAndRestoreInRmAsm_pae16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 80 | break;
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| 81 | case BS3_MODE_SYS_PAE32:
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| 82 | Bs3TrapSetJmpAndRestoreInRmAsm_pae32_16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 83 | break;
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| 84 | case BS3_MODE_SYS_LM:
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| 85 | Bs3TrapSetJmpAndRestoreInRmAsm_lm16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 86 | break;
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| 87 | default:
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| 88 | BS3_ASSERT(0);
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| 89 | }
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| 90 |
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| 91 | #elif TMPL_BITS == 32
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| 92 | switch (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)
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| 93 | {
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| 94 | case BS3_MODE_SYS_PE16:
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| 95 | Bs3TrapSetJmpAndRestoreInRmAsm_pe16_32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 96 | break;
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| 97 | case BS3_MODE_SYS_PE32:
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| 98 | Bs3TrapSetJmpAndRestoreInRmAsm_pe32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 99 | break;
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| 100 | case BS3_MODE_SYS_PP16:
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| 101 | Bs3TrapSetJmpAndRestoreInRmAsm_pp16_32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 102 | break;
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| 103 | case BS3_MODE_SYS_PP32:
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| 104 | Bs3TrapSetJmpAndRestoreInRmAsm_pp32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 105 | break;
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| 106 | case BS3_MODE_SYS_PAE16:
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| 107 | Bs3TrapSetJmpAndRestoreInRmAsm_pae16_32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 108 | break;
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| 109 | case BS3_MODE_SYS_PAE32:
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| 110 | Bs3TrapSetJmpAndRestoreInRmAsm_pae32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 111 | break;
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| 112 | case BS3_MODE_SYS_LM:
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| 113 | Bs3TrapSetJmpAndRestoreInRmAsm_lm32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 114 | break;
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| 115 | default:
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| 116 | BS3_ASSERT(0);
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| 117 | }
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| 118 |
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| 119 | #elif TMPL_BITS == 64
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| 120 | switch (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)
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| 121 | {
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| 122 | case BS3_MODE_SYS_LM:
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| 123 | Bs3TrapSetJmpAndRestoreInRmAsm_lm64(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 124 | break;
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| 125 | default:
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| 126 | BS3_ASSERT(0);
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| 127 | }
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| 128 | #else
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| 129 | # error Bogus TMPL_BITS
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| 130 | #endif
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| 131 | }
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| 132 | }
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| 133 |
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