[22077] | 1 | /* $Id: tstGIP-2.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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[1] | 2 | /** @file
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[22077] | 3 | * SUP Testcase - Global Info Page interface (ring 3).
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[1] | 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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[1] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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[5999] | 11 | *
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[96407] | 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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[5999] | 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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[96407] | 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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[5999] | 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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[96407] | 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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[1] | 35 | */
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| 36 |
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[57358] | 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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[1] | 41 | #include <VBox/sup.h>
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[76474] | 42 | #include <iprt/errcore.h>
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[1] | 43 | #include <VBox/param.h>
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| 44 | #include <iprt/asm.h>
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| 45 | #include <iprt/assert.h>
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| 46 | #include <iprt/alloc.h>
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| 47 | #include <iprt/thread.h>
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| 48 | #include <iprt/stream.h>
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[9961] | 49 | #include <iprt/string.h>
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[9469] | 50 | #include <iprt/initterm.h>
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| 51 | #include <iprt/getopt.h>
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[53430] | 52 | #include <iprt/x86.h>
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[1] | 53 |
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[57351] | 54 |
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| 55 | /**
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| 56 | * Entry point.
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| 57 | */
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| 58 | extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv)
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[1] | 59 | {
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[38636] | 60 | RTR3InitExe(argc, &argv, 0);
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[1] | 61 |
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| 62 | /*
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[9469] | 63 | * Parse args
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| 64 | */
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[17091] | 65 | static const RTGETOPTDEF g_aOptions[] =
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[9469] | 66 | {
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[33595] | 67 | { "--iterations", 'i', RTGETOPT_REQ_INT32 },
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[9961] | 68 | { "--hex", 'h', RTGETOPT_REQ_NOTHING },
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| 69 | { "--decimal", 'd', RTGETOPT_REQ_NOTHING },
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[53351] | 70 | { "--spin", 's', RTGETOPT_REQ_NOTHING },
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| 71 | { "--reference", 'r', RTGETOPT_REQ_UINT64 }, /* reference value of CpuHz, display the
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| 72 | * CpuHz deviation in a separate column. */
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[57218] | 73 | { "--notestmode", 't', RTGETOPT_REQ_NOTHING } /* don't run GIP in test-mode (atm, test-mode
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| 74 | * implies updating GIP CpuHz even when invariant) */
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[9469] | 75 | };
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| 76 |
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[57349] | 77 | bool fHex = true;
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| 78 | bool fSpin = false;
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| 79 | bool fCompat = true;
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| 80 | bool fTestMode = true;
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| 81 | int ch;
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| 82 | uint32_t cIterations = 40;
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| 83 | uint64_t uCpuHzRef = UINT64_MAX;
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[17091] | 84 | RTGETOPTUNION ValueUnion;
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| 85 | RTGETOPTSTATE GetState;
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[26517] | 86 | RTGetOptInit(&GetState, argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), 1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
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[17091] | 87 | while ((ch = RTGetOpt(&GetState, &ValueUnion)))
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[9469] | 88 | {
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| 89 | switch (ch)
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| 90 | {
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| 91 | case 'i':
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| 92 | cIterations = ValueUnion.u32;
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| 93 | break;
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| 94 |
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[9961] | 95 | case 'd':
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| 96 | fHex = false;
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| 97 | break;
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| 98 |
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| 99 | case 'h':
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| 100 | fHex = true;
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| 101 | break;
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| 102 |
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| 103 | case 's':
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| 104 | fSpin = true;
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| 105 | break;
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| 106 |
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[53351] | 107 | case 'r':
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| 108 | uCpuHzRef = ValueUnion.u64;
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| 109 | break;
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| 110 |
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[57218] | 111 | case 't':
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| 112 | fTestMode = false;
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| 113 | break;
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| 114 |
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[9469] | 115 | default:
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[26517] | 116 | return RTGetOptPrintError(ch, &ValueUnion);
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[9469] | 117 | }
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| 118 | }
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| 119 |
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| 120 | /*
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[1] | 121 | * Init
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| 122 | */
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[1841] | 123 | PSUPDRVSESSION pSession = NIL_RTR0PTR;
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[11794] | 124 | int rc = SUPR3Init(&pSession);
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[13835] | 125 | if (RT_SUCCESS(rc))
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[1] | 126 | {
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| 127 | if (g_pSUPGlobalInfoPage)
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| 128 | {
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[57349] | 129 | uint64_t uCpuHzOverallDeviation = 0;
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| 130 | uint32_t cCpuHzNotCompat = 0;
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| 131 | int64_t iCpuHzMaxDeviation = 0;
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| 132 | int32_t cCpuHzOverallDevCnt = 0;
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| 133 | uint32_t cCpuHzChecked = 0;
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| 134 |
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[57218] | 135 | /* Pick current CpuHz as the reference if none was specified. */
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| 136 | if (uCpuHzRef == UINT64_MAX)
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| 137 | uCpuHzRef = SUPGetCpuHzFromGip(g_pSUPGlobalInfoPage);
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| 138 |
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| 139 | if ( fTestMode
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| 140 | && g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_INVARIANT_TSC)
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| 141 | SUPR3GipSetFlags(SUPGIP_FLAGS_TESTING_ENABLE, UINT32_MAX);
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| 142 |
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[81096] | 143 | RTPrintf("tstGIP-2: u32Mode=%d (%s) fTestMode=%RTbool u32Version=%#x fGetGipCpu=%#RX32 cPages=%#RX32\n",
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[64255] | 144 | g_pSUPGlobalInfoPage->u32Mode,
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| 145 | SUPGetGIPModeName(g_pSUPGlobalInfoPage),
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| 146 | fTestMode,
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| 147 | g_pSUPGlobalInfoPage->u32Version,
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[81096] | 148 | g_pSUPGlobalInfoPage->fGetGipCpu,
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| 149 | g_pSUPGlobalInfoPage->cPages);
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[64281] | 150 | RTPrintf("tstGIP-2: cCpus=%d cPossibleCpus=%d cPossibleCpuGroups=%d cPresentCpus=%d cOnlineCpus=%d idCpuMax=%#x\n",
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[45399] | 151 | g_pSUPGlobalInfoPage->cCpus,
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[64255] | 152 | g_pSUPGlobalInfoPage->cPossibleCpus,
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| 153 | g_pSUPGlobalInfoPage->cPossibleCpuGroups,
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| 154 | g_pSUPGlobalInfoPage->cPresentCpus,
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[64281] | 155 | g_pSUPGlobalInfoPage->cOnlineCpus,
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| 156 | g_pSUPGlobalInfoPage->idCpuMax);
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[64255] | 157 | RTPrintf("tstGIP-2: u32UpdateHz=%RU32 u32UpdateIntervalNS=%RU32 u64NanoTSLastUpdateHz=%RX64 u64CpuHz=%RU64 uCpuHzRef=%RU64\n",
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[1] | 158 | g_pSUPGlobalInfoPage->u32UpdateHz,
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| 159 | g_pSUPGlobalInfoPage->u32UpdateIntervalNS,
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[9469] | 160 | g_pSUPGlobalInfoPage->u64NanoTSLastUpdateHz,
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[53269] | 161 | g_pSUPGlobalInfoPage->u64CpuHz,
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[64255] | 162 | uCpuHzRef);
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[64281] | 163 | for (uint32_t iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
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| 164 | if (g_pSUPGlobalInfoPage->aCPUs[iCpu].enmState != SUPGIPCPUSTATE_INVALID)
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| 165 | {
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| 166 | SUPGIPCPU const *pGipCpu = &g_pSUPGlobalInfoPage->aCPUs[iCpu];
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[81106] | 167 | RTPrintf("tstGIP-2: aCPU[%3u]: enmState=%d iCpuSet=%-3u idCpu=%#010x iCpuGroup=%-2u iCpuGroupMember=%-3u idApic=%#06x\n",
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[64281] | 168 | iCpu, pGipCpu->enmState, pGipCpu->iCpuSet, pGipCpu->idCpu, pGipCpu->iCpuGroup,
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| 169 | pGipCpu->iCpuGroupMember, pGipCpu->idApic);
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| 170 | }
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[64255] | 171 |
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[9961] | 172 | RTPrintf(fHex
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[53351] | 173 | ? "tstGIP-2: it: u64NanoTS delta u64TSC UpIntTSC H TransId CpuHz %sTSC Interval History...\n"
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| 174 | : "tstGIP-2: it: u64NanoTS delta u64TSC UpIntTSC H TransId CpuHz %sTSC Interval History...\n",
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[57060] | 175 | uCpuHzRef ? " CpuHz deviation Compat " : "");
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[81106] | 176 | static SUPGIPCPU s_aaCPUs[2][RTCPUSET_MAX_CPUS];
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[9478] | 177 | for (uint32_t i = 0; i < cIterations; i++)
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[1] | 178 | {
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[57349] | 179 | /* Copy the data. */
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[45399] | 180 | memcpy(&s_aaCPUs[i & 1][0], &g_pSUPGlobalInfoPage->aCPUs[0], g_pSUPGlobalInfoPage->cCpus * sizeof(g_pSUPGlobalInfoPage->aCPUs[0]));
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[9961] | 181 |
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[57349] | 182 | /* Display it & find something to spin on. */
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[9961] | 183 | uint32_t u32TransactionId = 0;
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| 184 | uint32_t volatile *pu32TransactionId = NULL;
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[45399] | 185 | for (unsigned iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
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[54352] | 186 | if (g_pSUPGlobalInfoPage->aCPUs[iCpu].enmState == SUPGIPCPUSTATE_ONLINE)
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[11794] | 187 | {
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[53351] | 188 | char szCpuHzDeviation[32];
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[9961] | 189 | PSUPGIPCPU pPrevCpu = &s_aaCPUs[!(i & 1)][iCpu];
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| 190 | PSUPGIPCPU pCpu = &s_aaCPUs[i & 1][iCpu];
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[53351] | 191 | if (uCpuHzRef)
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| 192 | {
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[57349] | 193 | /* Only CPU 0 is updated for invariant & sync modes, see supdrvGipUpdate(). */
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| 194 | if ( iCpu == 0
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| 195 | || g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_ASYNC_TSC)
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[53352] | 196 | {
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[53430] | 197 | /* Wait until the history validation code takes effect. */
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| 198 | if (pCpu->u32TransactionId > 23 + (8 * 2) + 1)
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[53358] | 199 | {
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[57349] | 200 | int64_t iCpuHzDeviation = pCpu->u64CpuHz - uCpuHzRef;
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| 201 | uint64_t uCpuHzDeviation = RT_ABS(iCpuHzDeviation);
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| 202 | bool fCurHzCompat = SUPIsTscFreqCompatibleEx(uCpuHzRef, pCpu->u64CpuHz, false /*fRelax*/);
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| 203 | if (uCpuHzDeviation <= 999999999)
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| 204 | {
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| 205 | if (RT_ABS(iCpuHzDeviation) > RT_ABS(iCpuHzMaxDeviation))
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| 206 | iCpuHzMaxDeviation = iCpuHzDeviation;
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| 207 | uCpuHzOverallDeviation += uCpuHzDeviation;
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| 208 | cCpuHzOverallDevCnt++;
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| 209 | uint32_t uPct = (uint32_t)(uCpuHzDeviation * 100000 / uCpuHzRef + 5);
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| 210 | RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%10RI64%3d.%02d%% %RTbool ",
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| 211 | iCpuHzDeviation, uPct / 1000, (uPct % 1000) / 10, fCurHzCompat);
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| 212 | }
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| 213 | else
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| 214 | {
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| 215 | RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%17s %RTbool ", "?",
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| 216 | fCurHzCompat);
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| 217 | }
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| 218 |
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| 219 | if (!fCurHzCompat)
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| 220 | ++cCpuHzNotCompat;
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| 221 | fCompat &= fCurHzCompat;
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| 222 | ++cCpuHzChecked;
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[53358] | 223 | }
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[57349] | 224 | else
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| 225 | RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%25s ", "priming");
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[53352] | 226 | }
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[57349] | 227 | else
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| 228 | RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%25s ", "");
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[53351] | 229 | }
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| 230 | else
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| 231 | szCpuHzDeviation[0] = '\0';
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[9961] | 232 | RTPrintf(fHex
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[53351] | 233 | ? "tstGIP-2: %4d/%d: %016llx %09llx %016llx %08x %d %08x %15llu %s%08x %08x %08x %08x %08x %08x %08x %08x (%d)\n"
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| 234 | : "tstGIP-2: %4d/%d: %016llu %09llu %016llu %010u %d %010u %15llu %s%08x %08x %08x %08x %08x %08x %08x %08x (%d)\n",
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[2369] | 235 | i, iCpu,
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[9961] | 236 | pCpu->u64NanoTS,
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| 237 | i ? pCpu->u64NanoTS - pPrevCpu->u64NanoTS : 0,
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| 238 | pCpu->u64TSC,
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| 239 | pCpu->u32UpdateIntervalTSC,
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| 240 | pCpu->iTSCHistoryHead,
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| 241 | pCpu->u32TransactionId,
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| 242 | pCpu->u64CpuHz,
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[53351] | 243 | szCpuHzDeviation,
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[9961] | 244 | pCpu->au32TSCHistory[0],
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| 245 | pCpu->au32TSCHistory[1],
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| 246 | pCpu->au32TSCHistory[2],
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| 247 | pCpu->au32TSCHistory[3],
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| 248 | pCpu->au32TSCHistory[4],
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| 249 | pCpu->au32TSCHistory[5],
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| 250 | pCpu->au32TSCHistory[6],
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| 251 | pCpu->au32TSCHistory[7],
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| 252 | pCpu->cErrors);
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| 253 | if (!pu32TransactionId)
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| 254 | {
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| 255 | pu32TransactionId = &g_pSUPGlobalInfoPage->aCPUs[iCpu].u32TransactionId;
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| 256 | u32TransactionId = pCpu->u32TransactionId;
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| 257 | }
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| 258 | }
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| 259 |
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[57349] | 260 | /* Wait a bit / spin. */
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[9961] | 261 | if (!fSpin)
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| 262 | RTThreadSleep(9);
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| 263 | else
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[53069] | 264 | {
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| 265 | if (pu32TransactionId)
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| 266 | {
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[53455] | 267 | uint32_t uTmp;
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| 268 | while ( u32TransactionId == (uTmp = *pu32TransactionId)
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| 269 | || (uTmp & 1))
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[53069] | 270 | ASMNopPause();
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| 271 | }
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| 272 | else
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| 273 | RTThreadSleep(1);
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| 274 | }
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[1] | 275 | }
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[52618] | 276 |
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[53026] | 277 | /*
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| 278 | * Display TSC deltas.
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| 279 | *
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| 280 | * First iterative over the APIC ID array to get mostly consistent CPUID to APIC ID mapping.
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| 281 | * Then iterate over the offline CPUs. It is possible that there's a race between the online/offline
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| 282 | * states between the two iterations, but that cannot be helped from ring-3 anyway and not a biggie.
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| 283 | */
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[52618] | 284 | RTPrintf("tstGIP-2: TSC deltas:\n");
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[53026] | 285 | RTPrintf("tstGIP-2: idApic: i64TSCDelta\n");
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[81106] | 286 | for (uint32_t i = 0; i < RT_ELEMENTS(g_pSUPGlobalInfoPage->aiCpuFromApicId); i++)
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[52871] | 287 | {
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| 288 | uint16_t iCpu = g_pSUPGlobalInfoPage->aiCpuFromApicId[i];
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| 289 | if (iCpu != UINT16_MAX)
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[81106] | 290 | RTPrintf("tstGIP-2: %#7x: %6lld (grp=%#04x mbr=%#05x set=%d cpu=%#05x)\n",
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| 291 | g_pSUPGlobalInfoPage->aCPUs[iCpu].idApic, g_pSUPGlobalInfoPage->aCPUs[iCpu].i64TSCDelta,
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| 292 | g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroup, g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroupMember,
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| 293 | g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuSet, iCpu);
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[52871] | 294 | }
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[53026] | 295 |
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[81106] | 296 | for (uint32_t iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
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[53026] | 297 | if (g_pSUPGlobalInfoPage->aCPUs[iCpu].idApic == UINT16_MAX)
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[81106] | 298 | RTPrintf("tstGIP-2: offline: %6lld (grp=%#04x mbr=%#05x set=%d cpu=%#05x)\n",
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| 299 | g_pSUPGlobalInfoPage->aCPUs[iCpu].i64TSCDelta, g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroup,
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| 300 | g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroupMember, g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuSet, iCpu);
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[53358] | 301 |
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[54252] | 302 | RTPrintf("tstGIP-2: enmUseTscDelta=%d fGetGipCpu=%#x\n",
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| 303 | g_pSUPGlobalInfoPage->enmUseTscDelta, g_pSUPGlobalInfoPage->fGetGipCpu);
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[57349] | 304 | if (uCpuHzRef)
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[53356] | 305 | {
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[57349] | 306 | if (cCpuHzOverallDevCnt)
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| 307 | {
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| 308 | uint32_t uPct = (uint32_t)(uCpuHzOverallDeviation * 100000 / cCpuHzOverallDevCnt / uCpuHzRef + 5);
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| 309 | RTPrintf("tstGIP-2: Average CpuHz deviation: %d.%02d%%\n",
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| 310 | uPct / 1000, (uPct % 1000) / 10);
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[54252] | 311 |
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[57349] | 312 | uint32_t uMaxPct = (uint32_t)(RT_ABS(iCpuHzMaxDeviation) * 100000 / uCpuHzRef + 5);
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| 313 | RTPrintf("tstGIP-2: Maximum CpuHz deviation: %d.%02d%% (%RI64 ticks)\n",
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| 314 | uMaxPct / 1000, (uMaxPct % 1000) / 10, iCpuHzMaxDeviation);
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| 315 | }
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| 316 | else
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| 317 | {
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| 318 | RTPrintf("tstGIP-2: Average CpuHz deviation: ??.??\n");
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| 319 | RTPrintf("tstGIP-2: Average CpuHz deviation: ??.??\n");
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| 320 | }
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[57060] | 321 |
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[57349] | 322 | RTPrintf("tstGIP-2: CpuHz compatibility: %RTbool (incompatible %u of %u times w/ %RU64 Hz - %s GIP)\n", fCompat,
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| 323 | cCpuHzNotCompat, cCpuHzChecked, uCpuHzRef, SUPGetGIPModeName(g_pSUPGlobalInfoPage));
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[57218] | 324 |
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| 325 | if ( !fCompat
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| 326 | && g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_INVARIANT_TSC)
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| 327 | rc = -1;
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[53356] | 328 | }
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[57218] | 329 |
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| 330 | /* Disable GIP test mode. */
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| 331 | if (fTestMode)
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| 332 | SUPR3GipSetFlags(0, ~SUPGIP_FLAGS_TESTING_ENABLE);
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[1] | 333 | }
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| 334 | else
|
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| 335 | {
|
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| 336 | RTPrintf("tstGIP-2: g_pSUPGlobalInfoPage is NULL\n");
|
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| 337 | rc = -1;
|
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| 338 | }
|
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| 339 |
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[20864] | 340 | SUPR3Term(false /*fForced*/);
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[1] | 341 | }
|
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| 342 | else
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[13837] | 343 | RTPrintf("tstGIP-2: SUPR3Init failed: %Rrc\n", rc);
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[1] | 344 | return !!rc;
|
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| 345 | }
|
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[53430] | 346 |
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[57354] | 347 | #if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
|
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[57351] | 348 | /**
|
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| 349 | * Main entry point.
|
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| 350 | */
|
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| 351 | int main(int argc, char **argv)
|
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| 352 | {
|
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| 353 | return TrustedMain(argc, argv);
|
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| 354 | }
|
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[57354] | 355 | #endif
|
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[57351] | 356 |
|
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