| 1 | /* $Id: bs3-cpu-basic-2-template.c 60024 2016-03-15 08:59:49Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - bs3-cpu-basic-2, C code template.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2016 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.alldomusa.eu.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 | #ifdef BS3_INSTANTIATING_MODE
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| 29 |
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| 30 | extern BS3_DECL(void) TMPL_NM(bs3CpuBasic2_TssGateEsp_IntXx)(void);
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| 31 |
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| 32 | BS3_DECL(uint8_t) TMPL_NM(bs3CpuBasic2_TssGateEsp)(uint8_t bMode)
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| 33 | {
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| 34 | uint8_t bRet = 0;
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| 35 | # if TMPL_MODE == BS3_MODE_PE16 \
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| 36 | || TMPL_MODE == BS3_MODE_PE16_32
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| 37 | BS3TRAPFRAME TrapCtx;
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| 38 | BS3REGCTX Ctx;
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| 39 |
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| 40 | Bs3RegCtxSave(&Ctx);
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| 41 | Ctx.rip.u = (uintptr_t)&TMPL_NM(bs3CpuBasic2_TssGateEsp_IntXx);
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| 42 |
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| 43 | /*
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| 44 | * Check that the stuff works first.
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| 45 | */
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| 46 | if (Bs3TrapSetJmp(&TrapCtx))
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| 47 | {
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| 48 |
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| 49 | Bs3TrapUnsetJmp();
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| 50 | }
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| 51 | else
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| 52 | {
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| 53 | /* trapped. */
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| 54 | }
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| 55 |
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| 56 |
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| 57 | # else
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| 58 | bRet = BS3TESTDOMODE_SKIPPED;
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| 59 | # endif
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| 60 |
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| 61 | /*
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| 62 | * Re-initialize the IDT.
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| 63 | */
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| 64 | # if BS3_MODE_IS_16BIT_SYS(TMPL_MODE)
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| 65 | Bs3Trap16Init();
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| 66 | # elif BS3_MODE_IS_32BIT_SYS(TMPL_MODE)
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| 67 | Bs3Trap32Init();
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| 68 | # elif BS3_MODE_IS_32BIT_SYS(TMPL_MODE)
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| 69 | Bs3Trap64Init();
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| 70 | # endif
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| 71 |
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| 72 | return bRet;
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| 73 | }
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| 74 |
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| 75 |
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| 76 | #endif /* BS3_INSTANTIATING_MODE */
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