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
  25void test_harness_set_timeout(uint64_t time);
  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
  35#ifdef AT_HWCAP2
  36static inline bool have_hwcap2(unsigned long ftr2)
  37{
  38        return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
  39}
  40#else
  41static inline bool have_hwcap2(unsigned long ftr2)
  42{
  43        return false;
  44}
  45#endif
  46
  47/* Yes, this is evil */
  48#define FAIL_IF(x)                                              \
  49do {                                                            \
  50        if ((x)) {                                              \
  51                fprintf(stderr,                                 \
  52                "[FAIL] Test FAILED on line %d\n", __LINE__);   \
  53                return 1;                                       \
  54        }                                                       \
  55} while (0)
  56
  57/* The test harness uses this, yes it's gross */
  58#define MAGIC_SKIP_RETURN_VALUE 99
  59
  60#define SKIP_IF(x)                                              \
  61do {                                                            \
  62        if ((x)) {                                              \
  63                fprintf(stderr,                                 \
  64                "[SKIP] Test skipped on line %d\n", __LINE__);  \
  65                return MAGIC_SKIP_RETURN_VALUE;                 \
  66        }                                                       \
  67} while (0)
  68
  69#define _str(s) #s
  70#define str(s) _str(s)
  71
  72/* POWER9 feature */
  73#ifndef PPC_FEATURE2_ARCH_3_00
  74#define PPC_FEATURE2_ARCH_3_00 0x00800000
  75#endif
  76
  77#endif /* _SELFTESTS_POWERPC_UTILS_H */
  78