| 1 | /* $Id: bs3-cmn-PerCpuData.c 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Per CPU Data.
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| 4 | *
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| 5 | * @remarks Not quite sure how to do per-cpu data yet, but this is stuff
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| 6 | * that eventually needs to be per CPU.
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| 7 | */
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| 8 |
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| 9 | /*
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| 10 | * Copyright (C) 2007-2024 Oracle and/or its affiliates.
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| 11 | *
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| 12 | * This file is part of VirtualBox base platform packages, as
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| 13 | * available from https://www.virtualbox.org.
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| 14 | *
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| 15 | * This program is free software; you can redistribute it and/or
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| 16 | * modify it under the terms of the GNU General Public License
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| 17 | * as published by the Free Software Foundation, in version 3 of the
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| 18 | * License.
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| 19 | *
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| 20 | * This program is distributed in the hope that it will be useful, but
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| 21 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 23 | * General Public License for more details.
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| 24 | *
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| 25 | * You should have received a copy of the GNU General Public License
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| 26 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 27 | *
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| 28 | * The contents of this file may alternatively be used under the terms
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| 29 | * of the Common Development and Distribution License Version 1.0
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| 30 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 31 | * in the VirtualBox distribution, in which case the provisions of the
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| 32 | * CDDL are applicable instead of those of the GPL.
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| 33 | *
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| 34 | * You may elect to license modified versions of this file under the
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| 35 | * terms and conditions of either the GPL or the CDDL or both.
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| 36 | *
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| 37 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 38 | */
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| 39 |
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| 40 |
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| 41 | /*********************************************************************************************************************************
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| 42 | * Header Files *
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| 43 | *********************************************************************************************************************************/
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| 44 | #include "bs3kit-template-header.h"
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| 45 | #include "bs3-cmn-test.h"
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| 46 |
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| 47 |
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| 48 | /*********************************************************************************************************************************
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| 49 | * Global Variables *
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| 50 | *********************************************************************************************************************************/
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| 51 | #if ARCH_BITS == 16
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| 52 |
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| 53 | /** Hint for 16-bit trap handlers regarding the high word of EIP. */
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| 54 | uint32_t g_uBs3TrapEipHint = 0;
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| 55 |
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| 56 | /** Flat pointer to a BS3TRAPFRAME registered by Bs3TrapSetJmp.
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| 57 | * When this is non-zero, the setjmp is considered armed. */
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| 58 | uint32_t g_pBs3TrapSetJmpFrame = 0;
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| 59 |
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| 60 | /** The current CPU mode. */
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| 61 | uint8_t g_bBs3CurrentMode = BS3_MODE_RM;
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| 62 |
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| 63 | uint8_t g_bStupidUnalignedCompiler1 = 0xfe;
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| 64 |
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| 65 | /** Set to disable special V8086 \#GP and \#UD handling in Bs3TrapDefaultHandler.
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| 66 | * This is useful for getting */
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| 67 | bool volatile g_fBs3TrapNoV86Assist = false;
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| 68 |
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| 69 | /** The context of the last Bs3TrapSetJmp call.
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| 70 | * This will have eax set to 1 and need only be restored when it triggers. */
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| 71 | BS3REGCTX g_Bs3TrapSetJmpCtx;
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| 72 |
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| 73 | #endif /* ARCH_BITS == 16 */
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| 74 |
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