/* Store Clock Extended */
uint32_t HELPER(stcke)(CPUS390XState *env, uint64_t a1)
{
cpu_stb_data(env, a1, 0);
/* basically the same value as stck */
cpu_stq_data(env, a1 + 1, clock_value(env) | env->cpu_num);
/* more fine grained than stck */
cpu_stq_data(env, a1 + 9, 0);
/* XXX programmable fields */
cpu_stw_data(env, a1 + 17, 0);
return 0;
}
/* Set Clock Comparator */
void HELPER(sckc)(CPUS390XState *env, uint64_t time)
{
if (time == -1ULL) {
return;
}
/* difference between now and then */
time -= clock_value(env);
/* nanoseconds */
time = (time * 125) >> 9;
timer_mod(env->tod_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
}
/* Set Clock Comparator */
void HELPER(sckc)(CPUS390XState *env, uint64_t a1)
{
uint64_t time = cpu_ldq_data(env, a1);
if (time == -1ULL) {
return;
}
/* difference between now and then */
time -= clock_value(env);
/* nanoseconds */
time = (time * 125) >> 9;
qemu_mod_timer(env->tod_timer, qemu_get_clock_ns(vm_clock) + time);
}
/* Store Clock */
uint32_t HELPER(stck)(CPUS390XState *env, uint64_t a1)
{
cpu_stq_data(env, a1, clock_value(env));
return 0;
}
/* Store Clock */
uint64_t HELPER(stck)(CPUS390XState *env)
{
return clock_value(env);
}
