#include #include #include #include int stckf(unsigned long *addr) { int cc; asm volatile ( ".insn s,0xb27c0000,%0\n" "ipm %1\n" "srl %1,28\n" :"=Q" (*addr), "=d"(cc)::"memory", "cc"); return cc; } unsigned long clockticks_in_msec(unsigned long b, unsigned long a) { return (b - a) / 4096000UL; } int main() { int cc; unsigned long start, end, diff; cc = stckf(&start); if (cc) printf("cc != 0!\n"); sleep(1); cc = stckf(&end); if (cc) printf("cc != 0!\n"); diff = clockticks_in_msec(end, start); if (diff >= 1000 && diff < 1500) printf("OK.....Testcase passed\n"); else printf("FAILED.....Testcase failed\n"); return 0; }