| 1 | /* $Id: bs3-cmn-PerCpuData.c 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * BS3Kit - Per CPU Data.
|
|---|
| 4 | *
|
|---|
| 5 | * @remarks Not quite sure how to do per-cpu data yet, but this is stuff
|
|---|
| 6 | * that eventually needs to be per CPU.
|
|---|
| 7 | */
|
|---|
| 8 |
|
|---|
| 9 | /*
|
|---|
| 10 | * Copyright (C) 2007-2020 Oracle Corporation
|
|---|
| 11 | *
|
|---|
| 12 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 13 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 14 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 15 | * General Public License (GPL) as published by the Free Software
|
|---|
| 16 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 17 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 18 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 19 | *
|
|---|
| 20 | * The contents of this file may alternatively be used under the terms
|
|---|
| 21 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 22 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 23 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 24 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 25 | *
|
|---|
| 26 | * You may elect to license modified versions of this file under the
|
|---|
| 27 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 |
|
|---|
| 31 | /*********************************************************************************************************************************
|
|---|
| 32 | * Header Files *
|
|---|
| 33 | *********************************************************************************************************************************/
|
|---|
| 34 | #include "bs3kit-template-header.h"
|
|---|
| 35 | #include "bs3-cmn-test.h"
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | /*********************************************************************************************************************************
|
|---|
| 39 | * Global Variables *
|
|---|
| 40 | *********************************************************************************************************************************/
|
|---|
| 41 | #if ARCH_BITS == 16
|
|---|
| 42 |
|
|---|
| 43 | /** Hint for 16-bit trap handlers regarding the high word of EIP. */
|
|---|
| 44 | uint32_t g_uBs3TrapEipHint = 0;
|
|---|
| 45 |
|
|---|
| 46 | /** Flat pointer to a BS3TRAPFRAME registered by Bs3TrapSetJmp.
|
|---|
| 47 | * When this is non-zero, the setjmp is considered armed. */
|
|---|
| 48 | uint32_t g_pBs3TrapSetJmpFrame = 0;
|
|---|
| 49 |
|
|---|
| 50 | /** The current CPU mode. */
|
|---|
| 51 | uint8_t g_bBs3CurrentMode = BS3_MODE_RM;
|
|---|
| 52 |
|
|---|
| 53 | uint8_t g_bStupidUnalignedCompiler1 = 0xfe;
|
|---|
| 54 |
|
|---|
| 55 | /** Set to disable special V8086 \#GP and \#UD handling in Bs3TrapDefaultHandler.
|
|---|
| 56 | * This is useful for getting */
|
|---|
| 57 | bool volatile g_fBs3TrapNoV86Assist = false;
|
|---|
| 58 |
|
|---|
| 59 | /** The context of the last Bs3TrapSetJmp call.
|
|---|
| 60 | * This will have eax set to 1 and need only be restored when it triggers. */
|
|---|
| 61 | BS3REGCTX g_Bs3TrapSetJmpCtx;
|
|---|
| 62 |
|
|---|
| 63 | #endif /* ARCH_BITS == 16 */
|
|---|
| 64 |
|
|---|
