/* $Id: tstContiguous.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
/** @file
 * SUP Testcase - Contiguous Memory Interface (ring-3).
 */

/*
 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
 *
 * This file is part of VirtualBox base platform packages, as
 * available from https://www.virtualbox.org.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, in version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <https://www.gnu.org/licenses>.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
 * in the VirtualBox distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 *
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.
 *
 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
 */


/*********************************************************************************************************************************
*   Header Files                                                                                                                 *
*********************************************************************************************************************************/
#include <VBox/sup.h>
#include <VBox/param.h>
#include <iprt/initterm.h>
#include <iprt/stream.h>
#include <stdlib.h>
#include <string.h>


int main(int argc, char **argv)
{
    int rc;
    int rcRet = 0;

    RTR3InitExe(argc, &argv, 0);
    rc = SUPR3Init(NULL);
    RTPrintf("tstContiguous: SUPR3Init -> rc=%Rrc\n", rc);
    rcRet += rc != 0;
    if (!rc)
    {
        /*
         * Allocate a bit of contiguous memory.
         */
        RTHCPHYS HCPhys;
        void *pv = SUPR3ContAlloc(8, NULL, &HCPhys);
        rcRet += pv == NULL || HCPhys == 0;
        if (pv && HCPhys)
        {
            memset(pv, 0xff, PAGE_SIZE * 8);
            pv = SUPR3ContAlloc(5, NULL, &HCPhys);
            rcRet += pv == NULL || HCPhys == 0;
            if (pv && HCPhys)
            {
                memset(pv, 0x7f, PAGE_SIZE * 5);
                rc = SUPR3ContFree(pv, 5);
                rcRet += rc != 0;
                if (rc)
                    RTPrintf("tstContiguous: SUPR3ContFree failed! rc=%Rrc\n", rc);

                void *apv[128];
                for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
                {
                    apv[i] = SUPR3ContAlloc(1 + (i % 11), NULL, &HCPhys);
                    if (!apv[i])
                    {
                        RTPrintf("tstContiguous: i=%d: failed to allocate %d pages", i, 1 + (i % 11));
#if defined(RT_ARCH_X86) && defined(RT_OS_LINUX)
                        /* With 32-bit address spaces it's sometimes difficult
                         * to find bigger chunks of contiguous memory */
                        if (i % 11 > 7)
                            RTPrintf(" => ignoring (32-bit host)");
                        else
#endif
                            rcRet++;
                        RTPrintf("\n");
                    }
                }
                for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
                    if (apv[i])
                    {
                        rc = SUPR3ContFree(apv[i], 1 + (i % 11));
                        rcRet += rc != 0;
                        if (rc)
                            RTPrintf("tstContiguous: i=%d SUPR3ContFree failed! rc=%Rrc\n", i, rc);
                    }
            }
            else
                RTPrintf("tstContiguous: SUPR3ContAlloc (2nd) failed!\n");
        }
        else
            RTPrintf("tstContiguous: SUPR3ContAlloc failed!\n");

        rc = SUPR3Term(false /*fForced*/);
        RTPrintf("tstContiguous: SUPR3Term -> rc=%Rrc\n", rc);
        rcRet += rc != 0;
    }

    return rcRet ? 1 : 0;
}