app/test/test_byteorder.c

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