none/tests/s390x/mvst.c

   1 #include "test.h"
   2
   3 char buffer[23] ="0123456789abcdef\0XXXXX";
   4 char bigbuf[512]=
   5         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
   6         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
   7         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
   8         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
   9         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
  10         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
  11         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
  12         "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcde\0";
  13
  14 char target[512];
  15
  16 int mvst(void *targetp, void *source)
  17 {
  18         register int eos asm("0") = '\0';
  19         asm volatile(
  20                 "       mvst %0, %1\n"
  21                 : "+a"(targetp), "+a"(source) : "d"(eos) : "memory", "cc");
  22         return get_cc();
  23 }
  24
  25 int mvst_full(void *targetp, void *source)
  26 {
  27         register int eos asm("0") = '\0';
  28         asm volatile(
  29                 "0:     mvst %0, %1\n"
  30                 "       jo 0b\n"
  31                 : "+a"(targetp), "+a"(source) : "d"(eos) : "memory", "cc");
  32         return get_cc();
  33 }
  34
  35
  36 int main()
  37 {
  38         short t;
  39         char s;
  40         printf("CC:%d\n", mvst(target, buffer));
  41         printf("%s\n", target);
  42         printf("CC:%d\n",mvst_full(target, bigbuf));
  43         printf("%s\n", target);
  44         t = 0x6161;
  45         s = 0;
  46         printf("%s\n", (char *) &t);
  47         printf("CC:%d\n",mvst(&t,&s));
  48         printf("%s\n", (char *) &t);
  49         return 0;
  50 }
  51