test_byteorder.c revision 9ecc306d
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#include <unistd.h>
37#include <inttypes.h>
38
39#include <rte_byteorder.h>
40
41#include "test.h"
42
43static volatile uint16_t u16 = 0x1337;
44static volatile uint32_t u32 = 0xdeadbeefUL;
45static volatile uint64_t u64 = 0xdeadcafebabefaceULL;
46
47/*
48 * Byteorder functions
49 * ===================
50 *
51 * - check that optimized byte swap functions are working for each
52 *   size (16, 32, 64 bits)
53 */
54
55static int
56test_byteorder(void)
57{
58	uint16_t res_u16;
59	uint32_t res_u32;
60	uint64_t res_u64;
61
62	res_u16 = rte_bswap16(u16);
63	printf("%"PRIx16" -> %"PRIx16"\n", u16, res_u16);
64	if (res_u16 != 0x3713)
65		return -1;
66
67	res_u32 = rte_bswap32(u32);
68	printf("%"PRIx32" -> %"PRIx32"\n", u32, res_u32);
69	if (res_u32 != 0xefbeaddeUL)
70		return -1;
71
72	res_u64 = rte_bswap64(u64);
73	printf("%"PRIx64" -> %"PRIx64"\n", u64, res_u64);
74	if (res_u64 != 0xcefabebafecaaddeULL)
75		return -1;
76
77	res_u16 = rte_bswap16(0x1337);
78	printf("const %"PRIx16" -> %"PRIx16"\n", 0x1337, res_u16);
79	if (res_u16 != 0x3713)
80		return -1;
81
82	res_u32 = rte_bswap32(0xdeadbeefUL);
83	printf("const %"PRIx32" -> %"PRIx32"\n", (uint32_t) 0xdeadbeef, res_u32);
84	if (res_u32 != 0xefbeaddeUL)
85		return -1;
86
87	res_u64 = rte_bswap64(0xdeadcafebabefaceULL);
88	printf("const %"PRIx64" -> %"PRIx64"\n", (uint64_t) 0xdeadcafebabefaceULL, res_u64);
89	if (res_u64 != 0xcefabebafecaaddeULL)
90		return -1;
91
92	return 0;
93}
94
95REGISTER_TEST_COMMAND(byteorder_autotest, test_byteorder);
96