diff mbox series

[v2,13/19] hw/timer/arm_timer: Iterate on timers using for() loop statement

Message ID 20230704145012.49870-14-philmd@linaro.org
State New
Headers show
Series hw/timer/arm_timer: QOM'ify ARM_TIMER and correct sysbus/irq in ICP_PIT | expand

Commit Message

Philippe Mathieu-Daudé July 4, 2023, 2:50 p.m. UTC 
The same pattern is used for each timer, 2 or 3 times. To avoid
too much code churn in the next commits, iterate on the number
of timers using a for() loop statement.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/timer/arm_timer.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

Comments

Richard Henderson July 5, 2023, 3:37 p.m. UTC | #1 
On 7/4/23 16:50, Philippe Mathieu-Daudé wrote:
> The same pattern is used for each timer, 2 or 3 times. To avoid
> too much code churn in the next commits, iterate on the number
> of timers using a for() loop statement.
> 
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> Reviewed-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   hw/timer/arm_timer.c | 27 ++++++++++++++-------------
>   1 file changed, 14 insertions(+), 13 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
index 0ad0e55df8..68cd50314f 100644
--- a/hw/timer/arm_timer.c
+++ b/hw/timer/arm_timer.c
@@ -310,10 +310,10 @@  static void sp804_realize(DeviceState *dev, Error **errp)
 {
     SP804Timer *s = SP804_TIMER(dev);
 
-    s->timer[0] = arm_timer_new(s->freq[0]);
-    s->timer[1] = arm_timer_new(s->freq[1]);
-    s->timer[0]->irq = qemu_allocate_irq(sp804_set_irq, s, 0);
-    s->timer[1]->irq = qemu_allocate_irq(sp804_set_irq, s, 1);
+    for (unsigned i = 0; i < ARRAY_SIZE(s->timer); i++) {
+        s->timer[i] = arm_timer_new(s->freq[i]);
+        s->timer[i]->irq = qemu_allocate_irq(sp804_set_irq, s, i);
+    }
 }
 
 static Property sp804_properties[] = {
@@ -382,18 +382,19 @@  static const MemoryRegionOps icp_pit_ops = {
 
 static void icp_pit_init(Object *obj)
 {
+    static const uint32_t tmr_freq[] = {
+        /* Timer 0 runs at the system clock speed (40MHz).  */
+        40000000,
+        /* The other two timers run at 1MHz.  */
+        1000000, 1000000
+    };
     IntegratorPIT *s = INTEGRATOR_PIT(obj);
     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 
-    /* Timer 0 runs at the system clock speed (40MHz).  */
-    s->timer[0] = arm_timer_new(40000000);
-    /* The other two timers run at 1MHz.  */
-    s->timer[1] = arm_timer_new(1000000);
-    s->timer[2] = arm_timer_new(1000000);
-
-    sysbus_init_irq(dev, &s->timer[0]->irq);
-    sysbus_init_irq(dev, &s->timer[1]->irq);
-    sysbus_init_irq(dev, &s->timer[2]->irq);
+    for (unsigned i = 0; i < ARRAY_SIZE(s->timer); i++) {
+        s->timer[i] = arm_timer_new(tmr_freq[i]);
+        sysbus_init_irq(dev, &s->timer[i]->irq);
+    }
 
     memory_region_init_io(&s->iomem, obj, &icp_pit_ops, s,
                           "icp_pit", 0x1000);