1 | /* $Id: tstContiguous.cpp 65929 2017-03-03 12:56:16Z 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) 2006-2016 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*********************************************************************************************************************************
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29 | * Header Files *
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30 | *********************************************************************************************************************************/
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31 | #include <VBox/sup.h>
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32 | #include <VBox/param.h>
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33 | #include <iprt/initterm.h>
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34 | #include <iprt/stream.h>
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35 | #include <stdlib.h>
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36 | #include <string.h>
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37 |
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38 |
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39 | int main(int argc, char **argv)
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40 | {
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41 | int rc;
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42 | int rcRet = 0;
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43 |
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44 | RTR3InitExe(argc, &argv, 0);
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45 | rc = SUPR3Init(NULL);
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46 | RTPrintf("tstContiguous: SUPR3Init -> rc=%Rrc\n", rc);
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47 | rcRet += rc != 0;
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48 | if (!rc)
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49 | {
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50 | /*
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51 | * Allocate a bit of contiguous memory.
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52 | */
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53 | RTHCPHYS HCPhys;
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54 | void *pv = SUPR3ContAlloc(8, NULL, &HCPhys);
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55 | rcRet += pv == NULL || HCPhys == 0;
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56 | if (pv && HCPhys)
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57 | {
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58 | memset(pv, 0xff, PAGE_SIZE * 8);
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59 | pv = SUPR3ContAlloc(5, NULL, &HCPhys);
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60 | rcRet += pv == NULL || HCPhys == 0;
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61 | if (pv && HCPhys)
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62 | {
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63 | memset(pv, 0x7f, PAGE_SIZE * 5);
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64 | rc = SUPR3ContFree(pv, 5);
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65 | rcRet += rc != 0;
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66 | if (rc)
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67 | RTPrintf("tstContiguous: SUPR3ContFree failed! rc=%Rrc\n", rc);
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68 |
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69 | void *apv[128];
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70 | for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
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71 | {
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72 | apv[i] = SUPR3ContAlloc(1 + (i % 11), NULL, &HCPhys);
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73 | if (!apv[i])
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74 | {
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75 | RTPrintf("tstContiguous: i=%d: failed to allocate %d pages", i, 1 + (i % 11));
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76 | #if defined(RT_ARCH_X86) && defined(RT_OS_LINUX)
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77 | /* With 32-bit address spaces it's sometimes difficult
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78 | * to find bigger chunks of contiguous memory */
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79 | if (i % 11 > 7)
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80 | RTPrintf(" => ignoring (32-bit host)");
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81 | else
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82 | #endif
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83 | rcRet++;
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84 | RTPrintf("\n");
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85 | }
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86 | }
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87 | for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
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88 | if (apv[i])
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89 | {
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90 | rc = SUPR3ContFree(apv[i], 1 + (i % 11));
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91 | rcRet += rc != 0;
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92 | if (rc)
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93 | RTPrintf("tstContiguous: i=%d SUPR3ContFree failed! rc=%Rrc\n", i, rc);
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94 | }
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95 | }
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96 | else
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97 | RTPrintf("tstContiguous: SUPR3ContAlloc (2nd) failed!\n");
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98 | }
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99 | else
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100 | RTPrintf("tstContiguous: SUPR3ContAlloc failed!\n");
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101 |
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102 | rc = SUPR3Term(false /*fForced*/);
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103 | RTPrintf("tstContiguous: SUPR3Term -> rc=%Rrc\n", rc);
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104 | rcRet += rc != 0;
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105 | }
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106 |
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107 | return rcRet ? 1 : 0;
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108 | }
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