static int __diag288(unsigned int func, unsigned int timeout,
unsigned long action, unsigned int len)
{
- register unsigned long __func asm("2") = func;
- register unsigned long __timeout asm("3") = timeout;
- register unsigned long __action asm("4") = action;
- register unsigned long __len asm("5") = len;
+ union register_pair r1 = { .even = func, .odd = timeout, };
+ union register_pair r3 = { .even = action, .odd = len, };
int err;
err = -EINVAL;
asm volatile(
- " diag %1, %3, 0x288\n"
- "0: la %0, 0\n"
+ " diag %[r1],%[r3],0x288\n"
+ "0: la %[err],0\n"
"1:\n"
EX_TABLE(0b, 1b)
- : "+d" (err) : "d"(__func), "d"(__timeout),
- "d"(__action), "d"(__len) : "1", "cc", "memory");
+ : [err] "+d" (err)
+ : [r1] "d" (r1.pair), [r3] "d" (r3.pair)
+ : "cc", "memory");
return err;
}