By passing a DeviceState context to a QDev IRQ handler,
we can simplify and use qdev_init_gpio_in_named() instead
of qdev_init_gpio_in_named_with_opaque().

Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sparc/leon3.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c
index bea84f3ad6..a15f90e142 100644
--- a/hw/sparc/leon3.c
+++ b/hw/sparc/leon3.c
@@ -202,9 +202,10 @@ static void leon3_irq_ack(CPUSPARCState *env, int intno)
  */
 static void leon3_set_pil_in(void *opaque, int n, int level)
 {
-    CPUSPARCState *env = opaque;
+    DeviceState *cpu = opaque;
+    CPUState *cs = CPU(cpu);
+    CPUSPARCState *env = cpu_env(cs);
     uint32_t pil_in = level;
-    CPUState *cs;
 
     assert(env != NULL);
 
@@ -220,7 +221,6 @@ static void leon3_set_pil_in(void *opaque, int n, int level)
 
                 env->interrupt_index = TT_EXTINT | i;
                 if (old_interrupt != env->interrupt_index) {
-                    cs = env_cpu(env);
                     trace_leon3_set_irq(i);
                     cpu_interrupt(cs, CPU_INTERRUPT_HARD);
                 }
@@ -228,7 +228,6 @@ static void leon3_set_pil_in(void *opaque, int n, int level)
             }
         }
     } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
-        cs = env_cpu(env);
         trace_leon3_reset_irq(env->interrupt_index & 15);
         env->interrupt_index = 0;
         cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
@@ -316,8 +315,7 @@ static void leon3_generic_hw_init(MachineState *machine)
         qdev_connect_gpio_out_named(irqmpdev, "grlib-start-cpu", i,
                                     qdev_get_gpio_in_named(DEVICE(cpu),
                                                            "start_cpu", 0));
-        qdev_init_gpio_in_named_with_opaque(DEVICE(cpu), leon3_set_pil_in,
-                                            env, "pil", 1);
+        qdev_init_gpio_in_named(DEVICE(cpu), leon3_set_pil_in, "pil", 1);
         qdev_connect_gpio_out_named(irqmpdev, "grlib-irq", i,
                                     qdev_get_gpio_in_named(DEVICE(cpu),
                                                            "pil", 0));
-- 
2.41.0

On 15/02/2024 14:46, Philippe Mathieu-Daudé wrote:

> By passing a DeviceState context to a QDev IRQ handler,
> we can simplify and use qdev_init_gpio_in_named() instead
> of qdev_init_gpio_in_named_with_opaque().
> 
> Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   hw/sparc/leon3.c | 10 ++++------
>   1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c
> index bea84f3ad6..a15f90e142 100644
> --- a/hw/sparc/leon3.c
> +++ b/hw/sparc/leon3.c
> @@ -202,9 +202,10 @@ static void leon3_irq_ack(CPUSPARCState *env, int intno)
>    */
>   static void leon3_set_pil_in(void *opaque, int n, int level)
>   {
> -    CPUSPARCState *env = opaque;
> +    DeviceState *cpu = opaque;
> +    CPUState *cs = CPU(cpu);
> +    CPUSPARCState *env = cpu_env(cs);
>       uint32_t pil_in = level;
> -    CPUState *cs;
>   
>       assert(env != NULL);
>   
> @@ -220,7 +221,6 @@ static void leon3_set_pil_in(void *opaque, int n, int level)
>   
>                   env->interrupt_index = TT_EXTINT | i;
>                   if (old_interrupt != env->interrupt_index) {
> -                    cs = env_cpu(env);
>                       trace_leon3_set_irq(i);
>                       cpu_interrupt(cs, CPU_INTERRUPT_HARD);
>                   }
> @@ -228,7 +228,6 @@ static void leon3_set_pil_in(void *opaque, int n, int level)
>               }
>           }
>       } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
> -        cs = env_cpu(env);
>           trace_leon3_reset_irq(env->interrupt_index & 15);
>           env->interrupt_index = 0;
>           cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
> @@ -316,8 +315,7 @@ static void leon3_generic_hw_init(MachineState *machine)
>           qdev_connect_gpio_out_named(irqmpdev, "grlib-start-cpu", i,
>                                       qdev_get_gpio_in_named(DEVICE(cpu),
>                                                              "start_cpu", 0));
> -        qdev_init_gpio_in_named_with_opaque(DEVICE(cpu), leon3_set_pil_in,
> -                                            env, "pil", 1);
> +        qdev_init_gpio_in_named(DEVICE(cpu), leon3_set_pil_in, "pil", 1);
>           qdev_connect_gpio_out_named(irqmpdev, "grlib-irq", i,
>                                       qdev_get_gpio_in_named(DEVICE(cpu),
>                                                              "pil", 0));

Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>


ATB,

Mark.