none/tests/s390x/test.h

   1 #ifndef TEST_H
   2 #define TEST_H
   3
   4 #include <stdio.h>
   5 #include <sys/time.h>
   6 #include "svc.h"
   7
   8 /* Convenience macros and functions for testcases */
   9
  10 #define EXIT(ret)  svc1(__NR_exit, ret)
  11
  12 /* X must be a string constant */
  13 #define SAY(x) say(x"\n", sizeof x)
  14
  15 /* Test COND and if it happens to be true, say so */
  16 #define TEST(cond) do { if (cond) SAY(#cond); } while (0)
  17
  18 #define BRASLCLOBBER "0","1","2","3","4","5","14", \
  19                      "f0","f1","f2","f3","f4","f5","f6","f7"
  20
  21 int say(const char *text, unsigned long num_chars)
  22 {
  23         return svc3(4, 1, (unsigned long) text, num_chars);
  24 }
  25
  26 #define get_cc() \
  27 ({ \
  28         char __cc; \
  29         /* dont use IPM to better test spechelpers */ \
  30         asm volatile(   "       brc 8,1f\n\t" \
  31                         "       brc 4,2f\n\t" \
  32                         "       brc 2,3f\n\t" \
  33                         "       brc 1,4f\n\t" \
  34                         "       mvi %0,4\n\t" \
  35                         "       j 0f\n\t" \
  36                         "1:     mvi %0,0\n\t" \
  37                         "       j 0f\n\t" \
  38                         "2:     mvi %0,1\n\t" \
  39                         "       j 0f\n\t" \
  40                         "3:     mvi %0,2\n\t" \
  41                         "       j 0f\n\t" \
  42                         "4:     mvi %0,3\n\t" \
  43                         "       j 0f\n\t" \
  44                         "0:     bcr 0,0 /*nop*/\n\t" \
  45                         :"=Q" (__cc)::"memory"); \
  46         __cc; \
  47 })
  48
  49 static inline void dump_field(void *field, int size)
  50 {
  51         int i;
  52         for (i=0; i < size; i++)
  53                 printf("%2.2X ", ((char *) field)[i]);
  54 }
  55
  56 static inline void mysleep(long sec, long usec)
  57 {
  58         struct timeval tv;
  59
  60         tv.tv_sec = sec;
  61         tv.tv_usec = usec;
  62
  63         svc5(SYS_select, 0,0,0,0,(unsigned long) &tv);
  64 }
  65
  66 #endif /* TEST_H */