diff options
Diffstat (limited to 'src/VBox/HostDrivers/Support/testcase/tstLow.cpp')
| -rw-r--r-- | src/VBox/HostDrivers/Support/testcase/tstLow.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/testcase/tstLow.cpp b/src/VBox/HostDrivers/Support/testcase/tstLow.cpp new file mode 100644 index 00000000..7f319ceb --- /dev/null +++ b/src/VBox/HostDrivers/Support/testcase/tstLow.cpp @@ -0,0 +1,164 @@ +/* $Id: tstLow.cpp $ */ +/** @file + * SUP Testcase - Low (<4GB) Memory Allocate interface (ring 3). + */ + +/* + * Copyright (C) 2006-2022 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; +} |