1 #include <stdio.h> 2 #include<stdlib.h> 3 #include<unistd.h> 4 5 union stcke { 6 unsigned long buffer[2]; 7 struct reader { 8 char pad; 9 unsigned long long time; 10 int time2; 11 short program; 12 } __attribute__ ((packed)) reader; 13 }; 14 15 int stcke(unsigned long *addr) 16 { 17 18 int cc; 19 asm volatile ( "stcke %0\n" 20 "ipm %1\n" 21 "srl %1, 28\n" 22 :"+Q" (*addr), "=d"(cc)::"cc"); 23 24 return cc; 25 } 26 27 unsigned long clockticks_in_msec(unsigned long b, unsigned long a) 28 { 29 return (b -a ) / 4096000UL; 30 } 31 32 int main() 33 { 34 union stcke start, end; 35 int cc; 36 37 cc = stcke(start.buffer); 38 if (cc) 39 printf("cc != 0!\n"); 40 41 sleep(1); 42 cc = stcke(end.buffer); 43 if (cc) 44 printf("cc != 0!\n"); 45 46 unsigned long c = clockticks_in_msec(end.reader.time, 47 start.reader.time); 48 49 if (c >= 1000 && c < 1500) 50 printf("OK.....Testcase passed\n"); 51 else 52 printf("FAILED.....Testcase failed\n"); 53 54 return 0; 55 56 } 57
