| 1 | /* $Id: xmmsaving.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * xmmsaving - Test that all XMM register state is handled correctly and
|
|---|
| 4 | * not corrupted the VMM.
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2009-2020 Oracle Corporation
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 12 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | * General Public License (GPL) as published by the Free Software
|
|---|
| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | *
|
|---|
| 18 | * The contents of this file may alternatively be used under the terms
|
|---|
| 19 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 20 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 21 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 22 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 23 | *
|
|---|
| 24 | * You may elect to license modified versions of this file under the
|
|---|
| 25 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 26 | */
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 | /*********************************************************************************************************************************
|
|---|
| 30 | * Header Files *
|
|---|
| 31 | *********************************************************************************************************************************/
|
|---|
| 32 | #include <iprt/test.h>
|
|---|
| 33 | #include <iprt/x86.h>
|
|---|
| 34 |
|
|---|
| 35 |
|
|---|
| 36 | /*********************************************************************************************************************************
|
|---|
| 37 | * Structures and Typedefs *
|
|---|
| 38 | *********************************************************************************************************************************/
|
|---|
| 39 | typedef struct MYXMMREGSET
|
|---|
| 40 | {
|
|---|
| 41 | RTUINT128U aRegs[16];
|
|---|
| 42 | } MYXMMREGSET;
|
|---|
| 43 |
|
|---|
| 44 |
|
|---|
| 45 | DECLASM(int) XmmSavingTestLoadSet(const MYXMMREGSET *pSet, const MYXMMREGSET *pPrevSet, PRTUINT128U pBadVal);
|
|---|
| 46 |
|
|---|
| 47 |
|
|---|
| 48 | static void XmmSavingTest(void)
|
|---|
| 49 | {
|
|---|
| 50 | RTTestISub("xmm saving and restoring");
|
|---|
| 51 |
|
|---|
| 52 | /* Create the test sets. */
|
|---|
| 53 | static MYXMMREGSET s_aSets[256];
|
|---|
| 54 | for (unsigned s = 0; s < RT_ELEMENTS(s_aSets); s++)
|
|---|
| 55 | {
|
|---|
| 56 | for (unsigned r = 0; r < RT_ELEMENTS(s_aSets[s].aRegs); r++)
|
|---|
| 57 | {
|
|---|
| 58 | unsigned x = (s << 4) | r;
|
|---|
| 59 | s_aSets[s].aRegs[r].au32[0] = x | UINT32_C(0x12345000);
|
|---|
| 60 | s_aSets[s].aRegs[r].au32[1] = (x << 8) | UINT32_C(0x88700011);
|
|---|
| 61 | s_aSets[s].aRegs[r].au32[2] = (x << 16) | UINT32_C(0xe000dcba);
|
|---|
| 62 | s_aSets[s].aRegs[r].au32[3] = (x << 20) | UINT32_C(0x00087654);
|
|---|
| 63 | }
|
|---|
| 64 | }
|
|---|
| 65 |
|
|---|
| 66 | /* Do the actual testing. */
|
|---|
| 67 | const MYXMMREGSET *pPrev2 = NULL;
|
|---|
| 68 | const MYXMMREGSET *pPrev = NULL;
|
|---|
| 69 | for (int i = 0; i < 1000000; i++)
|
|---|
| 70 | {
|
|---|
| 71 | if ((i % 50000) == 0)
|
|---|
| 72 | {
|
|---|
| 73 | RTTestIPrintf(RTTESTLVL_ALWAYS, ".");
|
|---|
| 74 | pPrev = pPrev2 = NULL; /* May be trashed by the above call. */
|
|---|
| 75 | }
|
|---|
| 76 | for (unsigned s = 0; s < RT_ELEMENTS(s_aSets); s++)
|
|---|
| 77 | {
|
|---|
| 78 | RTUINT128U BadVal;
|
|---|
| 79 | const MYXMMREGSET *pSet = &s_aSets[s];
|
|---|
| 80 | int r = XmmSavingTestLoadSet(pSet, pPrev, &BadVal);
|
|---|
| 81 | if (r-- != 0)
|
|---|
| 82 | {
|
|---|
| 83 | RTTestIFailed("i=%d s=%d r=%d", i, s, r);
|
|---|
| 84 | RTTestIFailureDetails("XMM%-2d = %08x,%08x,%08x,%08x\n",
|
|---|
| 85 | r,
|
|---|
| 86 | BadVal.au32[0],
|
|---|
| 87 | BadVal.au32[1],
|
|---|
| 88 | BadVal.au32[2],
|
|---|
| 89 | BadVal.au32[3]);
|
|---|
| 90 | RTTestIFailureDetails("Expected %08x,%08x,%08x,%08x\n",
|
|---|
| 91 | pPrev->aRegs[r].au32[0],
|
|---|
| 92 | pPrev->aRegs[r].au32[1],
|
|---|
| 93 | pPrev->aRegs[r].au32[2],
|
|---|
| 94 | pPrev->aRegs[r].au32[3]);
|
|---|
| 95 | if (pPrev2)
|
|---|
| 96 | RTTestIFailureDetails("PrevPrev %08x,%08x,%08x,%08x\n",
|
|---|
| 97 | pPrev2->aRegs[r].au32[0],
|
|---|
| 98 | pPrev2->aRegs[r].au32[1],
|
|---|
| 99 | pPrev2->aRegs[r].au32[2],
|
|---|
| 100 | pPrev2->aRegs[r].au32[3]);
|
|---|
| 101 | return;
|
|---|
| 102 | }
|
|---|
| 103 | pPrev2 = pPrev;
|
|---|
| 104 | pPrev = pSet;
|
|---|
| 105 | }
|
|---|
| 106 | }
|
|---|
| 107 | RTTestISubDone();
|
|---|
| 108 | }
|
|---|
| 109 |
|
|---|
| 110 |
|
|---|
| 111 | int main()
|
|---|
| 112 | {
|
|---|
| 113 | RTTEST hTest;
|
|---|
| 114 | int rc = RTTestInitAndCreate("xmmsaving", &hTest);
|
|---|
| 115 | if (rc)
|
|---|
| 116 | return rc;
|
|---|
| 117 | XmmSavingTest();
|
|---|
| 118 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 119 | }
|
|---|
| 120 |
|
|---|
