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/* $Id: tstInstrEmul.cpp $ */
/** @file
* Micro Testcase, checking emulation of certain instructions
*/
/*
* Copyright (C) 2006-2014 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <stdio.h>
#include <VBox/vmm/vm.h>
#include <VBox/err.h>
#include <VBox/vmm/em.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/initterm.h>
#include <iprt/stream.h>
#include <iprt/string.h>
#include <iprt/semaphore.h>
int main(int argc, char **argv)
{
int rcRet = 0; /* error count. */
RTR3InitExe(argc, &argv, 0);
RTPrintf("tstInstrEmul: TESTING...\n");
uint32_t eax, edx, ebx, ecx, eflags;
uint64_t val;
val = UINT64_C(0xffffffffffff);
eax = 0xffffffff;
edx = 0xffff;
ebx = 0x1;
ecx = 0x2;
eflags = EMEmulateLockCmpXchg8b(&val, &eax, &edx, ebx, ecx);
if ( !(eflags & X86_EFL_ZF)
|| val != UINT64_C(0x200000001))
{
RTPrintf("tstInstrEmul: FAILURE - Lock cmpxchg8b failed the equal case! (val=%RX64)\n", val);
return 1;
}
val = UINT64_C(0x123456789);
eflags = EMEmulateLockCmpXchg8b(&val, &eax, &edx, ebx, ecx);
if ( (eflags & X86_EFL_ZF)
|| eax != 0x23456789
|| edx != 0x1)
{
RTPrintf("tstInstrEmul: FAILURE - Lock cmpxchg8b failed the non-equal case! (val=%RX64)\n", val);
return 1;
}
RTPrintf("tstInstrEmul: Testing lock cmpxchg instruction emulation - SUCCESS\n");
val = UINT64_C(0xffffffffffff);
eax = 0xffffffff;
edx = 0xffff;
ebx = 0x1;
ecx = 0x2;
eflags = EMEmulateCmpXchg8b(&val, &eax, &edx, ebx, ecx);
if ( !(eflags & X86_EFL_ZF)
|| val != UINT64_C(0x200000001))
{
RTPrintf("tstInstrEmul: FAILURE - Cmpxchg8b failed the equal case! (val=%RX64)\n", val);
return 1;
}
val = UINT64_C(0x123456789);
eflags = EMEmulateCmpXchg8b(&val, &eax, &edx, ebx, ecx);
if ( (eflags & X86_EFL_ZF)
|| eax != 0x23456789
|| edx != 0x1)
{
RTPrintf("tstInstrEmul: FAILURE - Cmpxchg8b failed the non-equal case! (val=%RX64)\n", val);
return 1;
}
RTPrintf("tstInstrEmul: Testing cmpxchg instruction emulation - SUCCESS\n");
/*
* Summary.
*/
if (!rcRet)
RTPrintf("tstInstrEmul: SUCCESS\n");
else
RTPrintf("tstInstrEmul: FAILURE - %d errors\n", rcRet);
return rcRet ? 1 : 0;
}
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