tests/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         asm volatile ("moveq 1, $r9\n" /* NR_exit.  */
  37                       "break 13\n");
  38         while(1)
  39                 ;
  40 }
  41
  42 ssize_t write (int fd, const void *buf, size_t count) {
  43         int r;
  44         asm ("move.d %0, $r10\n"
  45              "move.d %1, $r11\n"
  46              "move.d %2, $r12\n"
  47              "moveq 4, $r9\n" /* NR_write.  */
  48              "break 13\n" : : "r" (fd), "r" (buf), "r" (count) : "memory");
  49         asm ("move.d $r10, %0\n" : "=r" (r));
  50         return r;
  51 }