LXR linux/tools/testing/selftests/powerpc/utils.h

   1/*
   2 * Copyright 2013, Michael Ellerman, IBM Corp.
   3 * Licensed under GPLv2.
   4 */
   5
   6#ifndef _SELFTESTS_POWERPC_UTILS_H
   7#define _SELFTESTS_POWERPC_UTILS_H
   8
   9#include <stdint.h>
  10#include <stdbool.h>
  11#include <linux/auxvec.h>
  12
  13/* Avoid headaches with PRI?64 - just use %ll? always */
  14typedef unsigned long long u64;
  15typedef   signed long long s64;
  16
  17/* Just for familiarity */
  18typedef uint32_t u32;
  19typedef uint16_t u16;
  20typedef uint8_t u8;
  21
  22
  23int test_harness(int (test_function)(void), char *name);
  24extern void *get_auxv_entry(int type);
  25int pick_online_cpu(void);
  26
  27static inline bool have_hwcap2(unsigned long ftr2)
  28{
  29        return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
  30}
  31
  32/* Yes, this is evil */
  33#define FAIL_IF(x)                                              \
  34do {                                                            \
  35        if ((x)) {                                              \
  36                fprintf(stderr,                                 \
  37                "[FAIL] Test FAILED on line %d\n", __LINE__);   \
  38                return 1;                                       \
  39        }                                                       \
  40} while (0)
  41
  42/* The test harness uses this, yes it's gross */
  43#define MAGIC_SKIP_RETURN_VALUE 99
  44
  45#define SKIP_IF(x)                                              \
  46do {                                                            \
  47        if ((x)) {                                              \
  48                fprintf(stderr,                                 \
  49                "[SKIP] Test skipped on line %d\n", __LINE__);  \
  50                return MAGIC_SKIP_RETURN_VALUE;                 \
  51        }                                                       \
  52} while (0)
  53
  54#define _str(s) #s
  55#define str(s) _str(s)
  56
  57#endif /* _SELFTESTS_POWERPC_UTILS_H */
  58