void cpu_openrisc_count_update(OpenRISCCPU *cpu)
{
- uint64_t now, next;
- uint32_t wait;
+ uint64_t now;
- now = qemu_get_clock_ns(vm_clock);
if (!is_counting) {
- qemu_del_timer(cpu->env.timer);
- last_clk = now;
return;
}
-
+ now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
cpu->env.ttcr += (uint32_t)muldiv64(now - last_clk, TIMER_FREQ,
get_ticks_per_sec());
last_clk = now;
+}
+
+void cpu_openrisc_timer_update(OpenRISCCPU *cpu)
+{
+ uint32_t wait;
+ uint64_t now, next;
+
+ if (!is_counting) {
+ return;
+ }
+
+ cpu_openrisc_count_update(cpu);
+ now = last_clk;
if ((cpu->env.ttmr & TTMR_TP) <= (cpu->env.ttcr & TTMR_TP)) {
wait = TTMR_TP - (cpu->env.ttcr & TTMR_TP) + 1;
} else {
wait = (cpu->env.ttmr & TTMR_TP) - (cpu->env.ttcr & TTMR_TP);
}
-
next = now + muldiv64(wait, get_ticks_per_sec(), TIMER_FREQ);
- qemu_mod_timer(cpu->env.timer, next);
+ timer_mod(cpu->env.timer, next);
}
void cpu_openrisc_count_start(OpenRISCCPU *cpu)
void cpu_openrisc_count_stop(OpenRISCCPU *cpu)
{
- is_counting = 0;
+ timer_del(cpu->env.timer);
cpu_openrisc_count_update(cpu);
+ is_counting = 0;
}
static void openrisc_timer_cb(void *opaque)
OpenRISCCPU *cpu = opaque;
if ((cpu->env.ttmr & TTMR_IE) &&
- qemu_timer_expired(cpu->env.timer, qemu_get_clock_ns(vm_clock))) {
+ timer_expired(cpu->env.timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL))) {
CPUState *cs = CPU(cpu);
cpu->env.ttmr |= TTMR_IP;
break;
case TIMER_INTR:
cpu->env.ttcr = 0;
- cpu_openrisc_count_start(cpu);
break;
case TIMER_SHOT:
cpu_openrisc_count_stop(cpu);
break;
case TIMER_CONT:
- cpu_openrisc_count_start(cpu);
break;
}
+
+ cpu_openrisc_timer_update(cpu);
}
void cpu_openrisc_clock_init(OpenRISCCPU *cpu)
{
- cpu->env.timer = qemu_new_timer_ns(vm_clock, &openrisc_timer_cb, cpu);
+ cpu->env.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &openrisc_timer_cb, cpu);
cpu->env.ttmr = 0x00000000;
cpu->env.ttcr = 0x00000000;
}