xmmsaving.cpp revision cf22150eaeeb72431bf1cf65c309a431454fb22b
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * xmmsaving - Test that all XMM register state is handled correctly and
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * not corrupted the VMM.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Copyright (C) 2009-2014 Oracle Corporation
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * available from http://www.virtualbox.org. This file is free software;
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * you can redistribute it and/or modify it under the terms of the GNU
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * General Public License (GPL) as published by the Free Software
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * The contents of this file may alternatively be used under the terms
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * of the Common Development and Distribution License Version 1.0
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * VirtualBox OSE distribution, in which case the provisions of the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * CDDL are applicable instead of those of the GPL.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * You may elect to license modified versions of this file under the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * terms and conditions of either the GPL or the CDDL or both.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/*******************************************************************************
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync* Header Files *
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync*******************************************************************************/
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/*******************************************************************************
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync* Structures and Typedefs *
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync*******************************************************************************/
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsynctypedef struct MYXMMREGSET
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncDECLASM(int) XmmSavingTestLoadSet(const MYXMMREGSET *pSet, const MYXMMREGSET *pPrevSet, PRTUINT128U pBadVal);
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncstatic void XmmSavingTest(void)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync /* Create the test sets. */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync for (unsigned s = 0; s < RT_ELEMENTS(s_aSets); s++)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync for (unsigned r = 0; r < RT_ELEMENTS(s_aSets[s].aRegs); r++)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync unsigned x = (s << 4) | r;
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync s_aSets[s].aRegs[r].au32[0] = x | UINT32_C(0x12345000);
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync s_aSets[s].aRegs[r].au32[1] = (x << 8) | UINT32_C(0x88700011);
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync s_aSets[s].aRegs[r].au32[2] = (x << 16) | UINT32_C(0xe000dcba);
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync s_aSets[s].aRegs[r].au32[3] = (x << 20) | UINT32_C(0x00087654);
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync /* Do the actual testing. */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync for (int i = 0; i < 1000000; i++)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync if ((i % 50000) == 0)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync pPrev = pPrev2 = NULL; /* May be trashed by the above call. */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync for (unsigned s = 0; s < RT_ELEMENTS(s_aSets); s++)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync int r = XmmSavingTestLoadSet(pSet, pPrev, &BadVal);
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync if (r-- != 0)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync RTTestIFailureDetails("XMM%-2d = %08x,%08x,%08x,%08x\n",
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync RTTestIFailureDetails("Expected %08x,%08x,%08x,%08x\n",
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync RTTestIFailureDetails("PrevPrev %08x,%08x,%08x,%08x\n",