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/* $Id: tstLow.cpp $ */
/** @file
* SUP Testcase - Low (<4GB) Memory Allocate 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/errcore.h>
#include <iprt/initterm.h>
#include <iprt/stream.h>
#include <iprt/string.h>
int main(int argc, char **argv)
{
int rc;
int rcRet = 0;
RTR3InitExe(argc, &argv, 0);
RTPrintf("tstLow: TESTING...\n");
rc = SUPR3Init(NULL);
if (RT_SUCCESS(rc))
{
/*
* Allocate a bit of contiguous memory.
*/
SUPPAGE aPages0[128];
void *pvPages0 = (void *)0x77777777;
memset(&aPages0[0], 0x8f, sizeof(aPages0));
rc = SUPR3LowAlloc(RT_ELEMENTS(aPages0), &pvPages0, NULL, aPages0);
if (RT_SUCCESS(rc))
{
/* check that the pages are below 4GB and valid. */
for (unsigned iPage = 0; iPage < RT_ELEMENTS(aPages0); iPage++)
{
RTPrintf("%-4d: Phys=%RHp Reserved=%p\n", iPage, aPages0[iPage].Phys, aPages0[iPage].uReserved);
if (aPages0[iPage].uReserved != 0)
{
rcRet++;
RTPrintf("tstLow: error: aPages0[%d].uReserved=%#x expected 0!\n", iPage, aPages0[iPage].uReserved);
}
if ( aPages0[iPage].Phys >= _4G
|| (aPages0[iPage].Phys & PAGE_OFFSET_MASK))
{
rcRet++;
RTPrintf("tstLow: error: aPages0[%d].Phys=%RHp!\n", iPage, aPages0[iPage].Phys);
}
}
if (!rcRet)
{
for (unsigned iPage = 0; iPage < RT_ELEMENTS(aPages0); iPage++)
memset((char *)pvPages0 + iPage * PAGE_SIZE, iPage, PAGE_SIZE);
for (unsigned iPage = 0; iPage < RT_ELEMENTS(aPages0); iPage++)
for (uint8_t *pu8 = (uint8_t *)pvPages0 + iPage * PAGE_SIZE, *pu8End = pu8 + PAGE_SIZE; pu8 < pu8End; pu8++)
if (*pu8 != (uint8_t)iPage)
{
RTPrintf("tstLow: error: invalid page content %02x != %02x. iPage=%u off=%#x\n",
*pu8, (uint8_t)iPage, iPage, (uintptr_t)pu8 & PAGE_OFFSET_MASK);
rcRet++;
}
}
SUPR3LowFree(pvPages0, RT_ELEMENTS(aPages0));
}
else
{
RTPrintf("SUPR3LowAlloc(%d,,) failed -> rc=%Rrc\n", RT_ELEMENTS(aPages0), rc);
rcRet++;
}
/*
* Allocate odd amounts in from 1 to 127.
*/
for (unsigned cPages = 1; cPages <= 127; cPages++)
{
SUPPAGE aPages1[128];
void *pvPages1 = (void *)0x77777777;
memset(&aPages1[0], 0x8f, sizeof(aPages1));
rc = SUPR3LowAlloc(cPages, &pvPages1, NULL, aPages1);
if (RT_SUCCESS(rc))
{
/* check that the pages are below 4GB and valid. */
for (unsigned iPage = 0; iPage < cPages; iPage++)
{
RTPrintf("%-4d::%-4d: Phys=%RHp Reserved=%p\n", cPages, iPage, aPages1[iPage].Phys, aPages1[iPage].uReserved);
if (aPages1[iPage].uReserved != 0)
{
rcRet++;
RTPrintf("tstLow: error: aPages1[%d].uReserved=%#x expected 0!\n", iPage, aPages1[iPage].uReserved);
}
if ( aPages1[iPage].Phys >= _4G
|| (aPages1[iPage].Phys & PAGE_OFFSET_MASK))
{
rcRet++;
RTPrintf("tstLow: error: aPages1[%d].Phys=%RHp!\n", iPage, aPages1[iPage].Phys);
}
}
if (!rcRet)
{
for (unsigned iPage = 0; iPage < cPages; iPage++)
memset((char *)pvPages1 + iPage * PAGE_SIZE, iPage, PAGE_SIZE);
for (unsigned iPage = 0; iPage < cPages; iPage++)
for (uint8_t *pu8 = (uint8_t *)pvPages1 + iPage * PAGE_SIZE, *pu8End = pu8 + PAGE_SIZE; pu8 < pu8End; pu8++)
if (*pu8 != (uint8_t)iPage)
{
RTPrintf("tstLow: error: invalid page content %02x != %02x. iPage=%p off=%#x\n",
*pu8, (uint8_t)iPage, iPage, (uintptr_t)pu8 & PAGE_OFFSET_MASK);
rcRet++;
}
}
SUPR3LowFree(pvPages1, cPages);
}
else
{
RTPrintf("SUPR3LowAlloc(%d,,) failed -> rc=%Rrc\n", cPages, rc);
rcRet++;
}
}
}
else
{
RTPrintf("SUPR3Init -> rc=%Rrc\n", rc);
rcRet++;
}
return rcRet;
}
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