| 1 | /* $Id: bs3-cmn-TrapSetJmpAndRestoreInRm.c 95491 2022-07-03 23:37:29Z 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) 2007-2022 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 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include "bs3kit-template-header.h"
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| 32 |
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| 33 |
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| 34 | /*********************************************************************************************************************************
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| 35 | * Internal Functions *
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| 36 | *********************************************************************************************************************************/
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| 37 | /* assembly helpers */
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| 38 | BS3_MODE_PROTO_NOSB(void, Bs3TrapSetJmpAndRestoreInRmAsm, (uint32_t, uint32_t));
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| 39 |
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| 40 |
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| 41 | #undef Bs3TrapSetJmpAndRestoreInRm
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| 42 | BS3_CMN_DEF(void, Bs3TrapSetJmpAndRestoreInRm,(PCBS3REGCTX pCtxRestore, PBS3TRAPFRAME pTrapFrame))
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| 43 | {
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| 44 | #if TMPL_BITS == 16
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| 45 | if (g_bBs3CurrentMode == BS3_MODE_RM)
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| 46 | Bs3TrapSetJmpAndRestore(pCtxRestore, pTrapFrame);
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| 47 | else
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| 48 | #endif
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| 49 | {
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| 50 | uint32_t const pfRealModeCtxRestore = Bs3SelFlatDataToRealMode(Bs3SelPtrToFlat((PBS3REGCTX)pCtxRestore));
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| 51 | uint32_t const pfRealModeTrapFrame = Bs3SelFlatDataToRealMode(Bs3SelPtrToFlat(pTrapFrame));
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| 52 |
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| 53 | #if TMPL_BITS == 16
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| 54 | switch (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)
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| 55 | {
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| 56 | case BS3_MODE_SYS_PE16:
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| 57 | Bs3TrapSetJmpAndRestoreInRmAsm_pe16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 58 | break;
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| 59 | case BS3_MODE_SYS_PE32:
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| 60 | Bs3TrapSetJmpAndRestoreInRmAsm_pe32_16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 61 | break;
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| 62 | case BS3_MODE_SYS_PP16:
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| 63 | Bs3TrapSetJmpAndRestoreInRmAsm_pp16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 64 | break;
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| 65 | case BS3_MODE_SYS_PP32:
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| 66 | Bs3TrapSetJmpAndRestoreInRmAsm_pp32_16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 67 | break;
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| 68 | case BS3_MODE_SYS_PAE16:
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| 69 | Bs3TrapSetJmpAndRestoreInRmAsm_pae16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 70 | break;
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| 71 | case BS3_MODE_SYS_PAE32:
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| 72 | Bs3TrapSetJmpAndRestoreInRmAsm_pae32_16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 73 | break;
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| 74 | case BS3_MODE_SYS_LM:
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| 75 | Bs3TrapSetJmpAndRestoreInRmAsm_lm16(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 76 | break;
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| 77 | default:
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| 78 | BS3_ASSERT(0);
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| 79 | }
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| 80 |
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| 81 | #elif TMPL_BITS == 32
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| 82 | switch (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)
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| 83 | {
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| 84 | case BS3_MODE_SYS_PE16:
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| 85 | Bs3TrapSetJmpAndRestoreInRmAsm_pe16_32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 86 | break;
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| 87 | case BS3_MODE_SYS_PE32:
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| 88 | Bs3TrapSetJmpAndRestoreInRmAsm_pe32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 89 | break;
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| 90 | case BS3_MODE_SYS_PP16:
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| 91 | Bs3TrapSetJmpAndRestoreInRmAsm_pp16_32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 92 | break;
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| 93 | case BS3_MODE_SYS_PP32:
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| 94 | Bs3TrapSetJmpAndRestoreInRmAsm_pp32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 95 | break;
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| 96 | case BS3_MODE_SYS_PAE16:
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| 97 | Bs3TrapSetJmpAndRestoreInRmAsm_pae16_32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 98 | break;
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| 99 | case BS3_MODE_SYS_PAE32:
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| 100 | Bs3TrapSetJmpAndRestoreInRmAsm_pae32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 101 | break;
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| 102 | case BS3_MODE_SYS_LM:
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| 103 | Bs3TrapSetJmpAndRestoreInRmAsm_lm32(pfRealModeCtxRestore, pfRealModeTrapFrame);
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| 104 | break;
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| 105 | default:
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| 106 | BS3_ASSERT(0);
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| 107 | }
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| 108 |
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| 109 | #elif TMPL_BITS == 64
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| 110 | switch (g_bBs3CurrentMode & BS3_MODE_SYS_MASK)
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| 111 | {
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| 112 | case BS3_MODE_SYS_LM:
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| 113 | Bs3TrapSetJmpAndRestoreInRmAsm_lm64(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 | #else
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| 119 | # error Bogus TMPL_BITS
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| 120 | #endif
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| 121 | }
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| 122 | }
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| 123 |
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