1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdint.h> 36 37 #include <rte_memory.h> 38 #include <rte_common.h> 39 40 #include "test.h" 41 42 /* 43 * Memory 44 * ====== 45 * 46 * - Dump the mapped memory. The python-expect script checks that at 47 * least one line is dumped. 48 * 49 * - Check that memory size is different than 0. 50 * 51 * - Try to read all memory; it should not segfault. 52 */ 53 54 static int 55 test_memory(void) 56 { 57 uint64_t s; 58 unsigned i; 59 size_t j; 60 const struct rte_memseg *mem; 61 62 /* 63 * dump the mapped memory: the python-expect script checks 64 * that at least one line is dumped 65 */ 66 printf("Dump memory layout\n"); 67 rte_dump_physmem_layout(stdout); 68 69 /* check that memory size is != 0 */ 70 s = rte_eal_get_physmem_size(); 71 if (s == 0) { 72 printf("No memory detected\n"); 73 return -1; 74 } 75 76 /* try to read memory (should not segfault) */ 77 mem = rte_eal_get_physmem_layout(); 78 for (i = 0; i < RTE_MAX_MEMSEG && mem[i].addr != NULL ; i++) { 79 80 /* check memory */ 81 for (j = 0; j<mem[i].len; j++) { 82 *((volatile uint8_t *) mem[i].addr + j); 83 } 84 } 85 86 return 0; 87 } 88 89 REGISTER_TEST_COMMAND(memory_autotest, test_memory); 90