1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <inttypes.h>
#include <rte_byteorder.h>
#include "test.h"
static volatile uint16_t u16 = 0x1337;
static volatile uint32_t u32 = 0xdeadbeefUL;
static volatile uint64_t u64 = 0xdeadcafebabefaceULL;
/*
* Byteorder functions
* ===================
*
* - check that optimized byte swap functions are working for each
* size (16, 32, 64 bits)
*/
static int
test_byteorder(void)
{
uint16_t res_u16;
uint32_t res_u32;
uint64_t res_u64;
res_u16 = rte_bswap16(u16);
printf("%"PRIx16" -> %"PRIx16"\n", u16, res_u16);
if (res_u16 != 0x3713)
return -1;
res_u32 = rte_bswap32(u32);
printf("%"PRIx32" -> %"PRIx32"\n", u32, res_u32);
if (res_u32 != 0xefbeaddeUL)
return -1;
res_u64 = rte_bswap64(u64);
printf("%"PRIx64" -> %"PRIx64"\n", u64, res_u64);
if (res_u64 != 0xcefabebafecaaddeULL)
return -1;
res_u16 = rte_bswap16(0x1337);
printf("const %"PRIx16" -> %"PRIx16"\n", 0x1337, res_u16);
if (res_u16 != 0x3713)
return -1;
res_u32 = rte_bswap32(0xdeadbeefUL);
printf("const %"PRIx32" -> %"PRIx32"\n", (uint32_t) 0xdeadbeef, res_u32);
if (res_u32 != 0xefbeaddeUL)
return -1;
res_u64 = rte_bswap64(0xdeadcafebabefaceULL);
printf("const %"PRIx64" -> %"PRIx64"\n", (uint64_t) 0xdeadcafebabefaceULL, res_u64);
if (res_u64 != 0xcefabebafecaaddeULL)
return -1;
return 0;
}
REGISTER_TEST_COMMAND(byteorder_autotest, test_byteorder);
|
