diff mbox series

[1/6] hw/m68k/irqc: Pass CPU using QOM link property

Message ID 20231020150627.56893-2-philmd@linaro.org
State Superseded
Headers show
Series hw/m68k: Strengthen QOM/SysBus API uses | expand

Commit Message

Philippe Mathieu-Daudé Oct. 20, 2023, 3:06 p.m. UTC
Avoid the interrupt controller directly access the 'first_cpu'
global. Pass it from the board code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/intc/m68k_irqc.h |  1 +
 hw/intc/m68k_irqc.c         | 10 +++++++++-
 hw/m68k/virt.c              |  2 ++
 3 files changed, 12 insertions(+), 1 deletion(-)

Comments

Thomas Huth Oct. 22, 2023, 9:18 a.m. UTC | #1
Am Fri, 20 Oct 2023 17:06:21 +0200
schrieb Philippe Mathieu-Daudé <philmd@linaro.org>:

> Avoid the interrupt controller directly access the 'first_cpu'
> global. Pass it from the board code.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>  include/hw/intc/m68k_irqc.h |  1 +
>  hw/intc/m68k_irqc.c         | 10 +++++++++-
>  hw/m68k/virt.c              |  2 ++
>  3 files changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/include/hw/intc/m68k_irqc.h b/include/hw/intc/m68k_irqc.h
> index ef91f21812..693e33b0aa 100644
> --- a/include/hw/intc/m68k_irqc.h
> +++ b/include/hw/intc/m68k_irqc.h
> @@ -33,6 +33,7 @@ typedef struct M68KIRQCState {
>      SysBusDevice parent_obj;
>  
>      uint8_t ipr;
> +    ArchCPU *cpu;
>  
>      /* statistics */
>      uint64_t stats_irq_count[M68K_IRQC_LEVEL_NUM];
> diff --git a/hw/intc/m68k_irqc.c b/hw/intc/m68k_irqc.c
> index 0c515e4ecb..e09705eeaf 100644
> --- a/hw/intc/m68k_irqc.c
> +++ b/hw/intc/m68k_irqc.c
> @@ -11,6 +11,7 @@
>  #include "cpu.h"
>  #include "migration/vmstate.h"
>  #include "monitor/monitor.h"
> +#include "hw/qdev-properties.h"
>  #include "hw/nmi.h"
>  #include "hw/intc/intc.h"
>  #include "hw/intc/m68k_irqc.h"
> @@ -35,7 +36,7 @@ static void m68k_irqc_print_info(InterruptStatsProvider *obj, Monitor *mon)
>  static void m68k_set_irq(void *opaque, int irq, int level)
>  {
>      M68KIRQCState *s = opaque;
> -    M68kCPU *cpu = M68K_CPU(first_cpu);
> +    M68kCPU *cpu = M68K_CPU(s->cpu);
>      int i;
>  
>      if (level) {
> @@ -85,12 +86,19 @@ static const VMStateDescription vmstate_m68k_irqc = {
>      }
>  };
>  
> +static Property m68k_irqc_properties[] = {
> +    DEFINE_PROP_LINK("m68k-cpu", M68KIRQCState, cpu,
> +                     TYPE_M68K_CPU, ArchCPU *),
> +    DEFINE_PROP_END_OF_LIST(),
> +};
> +
>  static void m68k_irqc_class_init(ObjectClass *oc, void *data)
>   {
>      DeviceClass *dc = DEVICE_CLASS(oc);
>      NMIClass *nc = NMI_CLASS(oc);
>      InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(oc);
>  
> +    device_class_set_props(dc, m68k_irqc_properties);
>      nc->nmi_monitor_handler = m68k_nmi;
>      dc->reset = m68k_irqc_reset;
>      dc->vmsd = &vmstate_m68k_irqc;
> diff --git a/hw/m68k/virt.c b/hw/m68k/virt.c
> index 2dd3c99894..da35e74bd9 100644
> --- a/hw/m68k/virt.c
> +++ b/hw/m68k/virt.c
> @@ -155,6 +155,8 @@ static void virt_init(MachineState *machine)
>      /* IRQ Controller */
>  
>      irqc_dev = qdev_new(TYPE_M68K_IRQC);
> +    object_property_set_link(OBJECT(irqc_dev), "m68k-cpu",
> +                             OBJECT(first_cpu), &error_abort);

I'd rather use the local variable "cpu" instead of "first_cpu" here.

Apart from that:
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
diff mbox series

Patch

diff --git a/include/hw/intc/m68k_irqc.h b/include/hw/intc/m68k_irqc.h
index ef91f21812..693e33b0aa 100644
--- a/include/hw/intc/m68k_irqc.h
+++ b/include/hw/intc/m68k_irqc.h
@@ -33,6 +33,7 @@  typedef struct M68KIRQCState {
     SysBusDevice parent_obj;
 
     uint8_t ipr;
+    ArchCPU *cpu;
 
     /* statistics */
     uint64_t stats_irq_count[M68K_IRQC_LEVEL_NUM];
diff --git a/hw/intc/m68k_irqc.c b/hw/intc/m68k_irqc.c
index 0c515e4ecb..e09705eeaf 100644
--- a/hw/intc/m68k_irqc.c
+++ b/hw/intc/m68k_irqc.c
@@ -11,6 +11,7 @@ 
 #include "cpu.h"
 #include "migration/vmstate.h"
 #include "monitor/monitor.h"
+#include "hw/qdev-properties.h"
 #include "hw/nmi.h"
 #include "hw/intc/intc.h"
 #include "hw/intc/m68k_irqc.h"
@@ -35,7 +36,7 @@  static void m68k_irqc_print_info(InterruptStatsProvider *obj, Monitor *mon)
 static void m68k_set_irq(void *opaque, int irq, int level)
 {
     M68KIRQCState *s = opaque;
-    M68kCPU *cpu = M68K_CPU(first_cpu);
+    M68kCPU *cpu = M68K_CPU(s->cpu);
     int i;
 
     if (level) {
@@ -85,12 +86,19 @@  static const VMStateDescription vmstate_m68k_irqc = {
     }
 };
 
+static Property m68k_irqc_properties[] = {
+    DEFINE_PROP_LINK("m68k-cpu", M68KIRQCState, cpu,
+                     TYPE_M68K_CPU, ArchCPU *),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
 static void m68k_irqc_class_init(ObjectClass *oc, void *data)
  {
     DeviceClass *dc = DEVICE_CLASS(oc);
     NMIClass *nc = NMI_CLASS(oc);
     InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(oc);
 
+    device_class_set_props(dc, m68k_irqc_properties);
     nc->nmi_monitor_handler = m68k_nmi;
     dc->reset = m68k_irqc_reset;
     dc->vmsd = &vmstate_m68k_irqc;
diff --git a/hw/m68k/virt.c b/hw/m68k/virt.c
index 2dd3c99894..da35e74bd9 100644
--- a/hw/m68k/virt.c
+++ b/hw/m68k/virt.c
@@ -155,6 +155,8 @@  static void virt_init(MachineState *machine)
     /* IRQ Controller */
 
     irqc_dev = qdev_new(TYPE_M68K_IRQC);
+    object_property_set_link(OBJECT(irqc_dev), "m68k-cpu",
+                             OBJECT(first_cpu), &error_abort);
     sysbus_realize_and_unref(SYS_BUS_DEVICE(irqc_dev), &error_fatal);
 
     /*