| 1 | /* $Id: tstContiguous.cpp 108657 2025-03-20 15:29:22Z vboxsync $ */
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| 2 | /** @file
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| 3 | * SUP Testcase - Contiguous Memory Interface (ring-3).
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
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| 8 | *
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| 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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| 11 | *
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| 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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| 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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| 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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| 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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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include <VBox/sup.h>
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| 42 | #include <VBox/param.h>
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| 43 | #include <iprt/initterm.h>
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| 44 | #include <iprt/stream.h>
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| 45 | #include <iprt/system.h>
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| 46 | #include <stdlib.h>
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| 47 | #include <string.h>
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| 48 |
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| 49 |
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| 50 | int main(int argc, char **argv)
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| 51 | {
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| 52 | int rc;
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| 53 | int rcRet = 0;
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| 54 |
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| 55 | RTR3InitExe(argc, &argv, 0);
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| 56 | rc = SUPR3Init(NULL);
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| 57 | RTPrintf("tstContiguous: SUPR3Init -> rc=%Rrc\n", rc);
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| 58 | rcRet += rc != 0;
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| 59 | if (!rc)
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| 60 | {
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| 61 | uint32_t const cbPage = RTSystemGetPageSize();
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| 62 |
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| 63 | /*
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| 64 | * Allocate a bit of contiguous memory.
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| 65 | */
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| 66 | RTHCPHYS HCPhys;
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| 67 | void *pv = SUPR3ContAlloc(8, NULL, &HCPhys);
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| 68 | rcRet += pv == NULL || HCPhys == 0;
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| 69 | if (pv && HCPhys)
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| 70 | {
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| 71 | memset(pv, 0xff, cbPage * 8);
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| 72 | pv = SUPR3ContAlloc(5, NULL, &HCPhys);
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| 73 | rcRet += pv == NULL || HCPhys == 0;
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| 74 | if (pv && HCPhys)
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| 75 | {
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| 76 | memset(pv, 0x7f, cbPage * 5);
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| 77 | rc = SUPR3ContFree(pv, 5);
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| 78 | rcRet += rc != 0;
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| 79 | if (rc)
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| 80 | RTPrintf("tstContiguous: SUPR3ContFree failed! rc=%Rrc\n", rc);
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| 81 |
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| 82 | void *apv[128];
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| 83 | for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
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| 84 | {
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| 85 | apv[i] = SUPR3ContAlloc(1 + (i % 11), NULL, &HCPhys);
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| 86 | if (!apv[i])
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| 87 | {
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| 88 | RTPrintf("tstContiguous: i=%d: failed to allocate %d pages", i, 1 + (i % 11));
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| 89 | #if defined(RT_ARCH_X86) && defined(RT_OS_LINUX)
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| 90 | /* With 32-bit address spaces it's sometimes difficult
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| 91 | * to find bigger chunks of contiguous memory */
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| 92 | if (i % 11 > 7)
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| 93 | RTPrintf(" => ignoring (32-bit host)");
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| 94 | else
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| 95 | #endif
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| 96 | rcRet++;
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| 97 | RTPrintf("\n");
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| 98 | }
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| 99 | }
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| 100 | for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
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| 101 | if (apv[i])
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| 102 | {
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| 103 | rc = SUPR3ContFree(apv[i], 1 + (i % 11));
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| 104 | rcRet += rc != 0;
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| 105 | if (rc)
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| 106 | RTPrintf("tstContiguous: i=%d SUPR3ContFree failed! rc=%Rrc\n", i, rc);
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| 107 | }
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| 108 | }
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| 109 | else
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| 110 | RTPrintf("tstContiguous: SUPR3ContAlloc (2nd) failed!\n");
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| 111 | }
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| 112 | else
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| 113 | RTPrintf("tstContiguous: SUPR3ContAlloc failed!\n");
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| 114 |
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| 115 | rc = SUPR3Term(false /*fForced*/);
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| 116 | RTPrintf("tstContiguous: SUPR3Term -> rc=%Rrc\n", rc);
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| 117 | rcRet += rc != 0;
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| 118 | }
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| 119 |
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| 120 | return rcRet ? 1 : 0;
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| 121 | }
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