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 */
  17 typedef unsigned long long u64;
  18 typedef   signed long long s64;
  19
  20 /* Just for familiarity */
  21 typedef uint32_t u32;
  22 typedef uint16_t u16;
  23 typedef uint8_t u8;
  24
  25 void test_harness_set_timeout(uint64_t time);
  26 int test_harness(int (test_function)(void), char *name);
  27 extern void *get_auxv_entry(int type);
  28 int pick_online_cpu(void);
  29
  30 static 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
  36 static inline bool have_hwcap2(unsigned long ftr2)
  37 {
  38         return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
  39 }
  40 #else
  41 static 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)                                              \
  49 do {                                                            \
  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)                                              \
  61 do {                                                            \
  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 */