tests/tcg/cris/sys.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4
   5 static inline int mystrlen(char *s) {
   6         int i = 0;
   7         while (s[i])
   8                 i++;
   9         return i;
  10 }
  11
  12 void pass(void) {
  13         char s[] = "passed.\n";
  14         write (1, s, sizeof (s) - 1);
  15         exit (0);
  16 }
  17
  18 void _fail(char *reason) {
  19         char s[] = "\nfailed: ";
  20         int len = mystrlen(reason);
  21         write (1, s, sizeof (s) - 1);
  22         write (1, reason, len);
  23         write (1, "\n", 1);
  24 //      exit (1);
  25 }
  26
  27 void *memset (void *s, int c, size_t n) {
  28         char *p = s;
  29         int i;
  30         for (i = 0; i < n; i++)
  31                 p[i] = c;
  32         return p;
  33 }
  34
  35 void exit (int status) {
  36         register unsigned int callno asm ("r9") = 1; /* NR_exit */
  37
  38         asm volatile ("break 13\n"
  39                       :
  40                       : "r" (callno)
  41                       : "memory" );
  42         while(1)
  43                 ;
  44 }
  45
  46 ssize_t write (int fd, const void *buf, size_t count) {
  47         register unsigned int callno asm ("r9") = 4; /* NR_write */
  48         register unsigned int r10 asm ("r10") = fd;
  49         register const void *r11 asm ("r11") = buf;
  50         register size_t r12 asm ("r12") = count;
  51         register unsigned int r asm ("r10");
  52
  53         asm volatile ("break 13\n"
  54              : "=r" (r)
  55              : "r" (callno), "0" (r10), "r" (r11), "r" (r12)
  56              : "memory");
  57
  58         return r;
  59 }