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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
54static int
55test_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
89REGISTER_TEST_COMMAND(memory_autotest, test_memory);