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#define __cacheline_aligned __attribute__((aligned(128)))
  10
  11#include <stdint.h>
  12#include <stdbool.h>
  13#include <linux/auxvec.h>
  14#include "reg.h"
  15
  16/* Avoid headaches with PRI?64 - just use %ll? always */
  17typedef unsigned long long u64;
  18typedef   signed long long s64;
  19
  20/* Just for familiarity */
  21typedef uint32_t u32;
  22typedef uint16_t u16;
  23typedef uint8_t u8;
  24
  25
  26int test_harness(int (test_function)(void), char *name);
  27extern void *get_auxv_entry(int type);
  28int pick_online_cpu(void);
  29
  30static inline bool have_hwcap(unsigned long ftr)
  31{
  32        return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;
  33}
  34
  35static inline bool have_hwcap2(unsigned long ftr2)
  36{
  37        return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
  38}
  39
  40/* Yes, this is evil */
  41#define FAIL_IF(x)                                              \
  42do {                                                            \
  43        if ((x)) {                                              \
  44                fprintf(stderr,                                 \
  45                "[FAIL] Test FAILED on line %d\n", __LINE__);   \
  46                return 1;                                       \
  47        }                                                       \
  48} while (0)
  49
  50/* The test harness uses this, yes it's gross */
  51#define MAGIC_SKIP_RETURN_VALUE 99
  52
  53#define SKIP_IF(x)                                              \
  54do {                                                            \
  55        if ((x)) {                                              \
  56                fprintf(stderr,                                 \
  57                "[SKIP] Test skipped on line %d\n", __LINE__);  \
  58                return MAGIC_SKIP_RETURN_VALUE;                 \
  59        }                                                       \
  60} while (0)
  61
  62#define _str(s) #s
  63#define str(s) _str(s)
  64
  65/* POWER9 feature */
  66#ifndef PPC_FEATURE2_ARCH_3_00
  67#define PPC_FEATURE2_ARCH_3_00 0x00800000
  68#endif
  69
  70#endif /* _SELFTESTS_POWERPC_UTILS_H */
  71