| 1 | /* $Id: bs3cpudt.c 60439 2016-04-11 19:08:38Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Tests Bs3CpuDetect_rm.
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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.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 |
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| 32 | #include "bs3kit.h"
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| 33 | #include <stdio.h>
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| 34 | #include <stdint.h>
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| 35 |
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| 36 |
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| 37 | unsigned StoreMsw(void);
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| 38 | #pragma aux StoreMsw = \
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| 39 | ".286" \
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| 40 | "smsw ax" \
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| 41 | value [ax];
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| 42 |
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| 43 | void LoadMsw(unsigned);
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| 44 | #pragma aux LoadMsw = \
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| 45 | ".286p" \
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| 46 | "lmsw ax" \
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| 47 | parm [ax];
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| 48 |
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| 49 | int main()
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| 50 | {
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| 51 | uint16_t volatile usCpu = Bs3CpuDetect_rm();
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| 52 | printf("usCpu=%#x\n", usCpu);
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| 53 | if ((usCpu & BS3CPU_TYPE_MASK) >= BS3CPU_80286)
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| 54 | {
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| 55 | printf("(42=%d) msw=%#x (42=%d)\n", 42, StoreMsw(), 42);
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| 56 | LoadMsw(0);
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| 57 | printf("lmsw 0 => msw=%#x (42=%d)\n", StoreMsw(), 42);
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| 58 | }
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| 59 | return 0;
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| 60 | }
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| 61 |
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