| 1 | /* $Id: bs3-cmn-PerCpuData.c 76553 2019-01-01 01:45:53Z 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) 2007-2019 Oracle Corporation
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| 11 | *
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| 12 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 13 | * available from http://www.virtualbox.org. This file is free software;
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| 14 | * you can redistribute it and/or modify it under the terms of the GNU
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| 15 | * General Public License (GPL) as published by the Free Software
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| 16 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 17 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 18 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 19 | *
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| 20 | * The contents of this file may alternatively be used under the terms
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| 21 | * of the Common Development and Distribution License Version 1.0
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| 22 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 23 | * VirtualBox OSE distribution, in which case the provisions of the
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| 24 | * CDDL are applicable instead of those of the GPL.
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| 25 | *
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| 26 | * You may elect to license modified versions of this file under the
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| 27 | * terms and conditions of either the GPL or the CDDL or both.
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| 28 | */
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| 29 |
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| 30 |
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| 31 | /*********************************************************************************************************************************
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| 32 | * Header Files *
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| 33 | *********************************************************************************************************************************/
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| 34 | #include "bs3kit-template-header.h"
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| 35 | #include "bs3-cmn-test.h"
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Global Variables *
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| 40 | *********************************************************************************************************************************/
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| 41 | #if ARCH_BITS == 16
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| 42 |
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| 43 | /** Hint for 16-bit trap handlers regarding the high word of EIP. */
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| 44 | uint32_t g_uBs3TrapEipHint = 0;
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| 45 |
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| 46 | /** Flat pointer to a BS3TRAPFRAME registered by Bs3TrapSetJmp.
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| 47 | * When this is non-zero, the setjmp is considered armed. */
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| 48 | uint32_t g_pBs3TrapSetJmpFrame = 0;
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| 49 |
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| 50 | /** The current CPU mode. */
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| 51 | uint8_t g_bBs3CurrentMode = BS3_MODE_RM;
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| 52 |
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| 53 | uint8_t g_bStupidUnalignedCompiler1 = 0xfe;
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| 54 |
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| 55 | /** Set to disable special V8086 \#GP and \#UD handling in Bs3TrapDefaultHandler.
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| 56 | * This is useful for getting */
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| 57 | bool volatile g_fBs3TrapNoV86Assist = false;
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| 58 |
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| 59 | /** The context of the last Bs3TrapSetJmp call.
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| 60 | * This will have eax set to 1 and need only be restored when it triggers. */
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| 61 | BS3REGCTX g_Bs3TrapSetJmpCtx;
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| 62 |
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| 63 | #endif /* ARCH_BITS == 16 */
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| 64 |
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