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[Qemu-devel] [PULL 5/5] irq: Slim conversion of qemu_irq to QOM
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PULL 5/5] irq: Slim conversion of qemu_irq to QOM |
Date: |
Tue, 1 Jul 2014 05:08:13 +0200 |
As a prequel to any big Pin refactoring plans, do an in-place conversion
of qemu_irq to an Object, so that we can reference it in link<> properties.
Signed-off-by: Andreas Färber <address@hidden>
[ PC Changes:
* Removed array-alloctor ref counting logic (limit changes just to
* single IRQ allocator)
* Removed WIP marking from subject line
]
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Crosthwaite <address@hidden>
Acked-by: Paolo Bonzini <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
hw/core/irq.c | 22 ++++++++++++++++++++--
include/hw/irq.h | 2 ++
2 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/hw/core/irq.c b/hw/core/irq.c
index bc982a7..cffced0 100644
--- a/hw/core/irq.c
+++ b/hw/core/irq.c
@@ -23,8 +23,13 @@
*/
#include "qemu-common.h"
#include "hw/irq.h"
+#include "qom/object.h"
+
+#define IRQ(obj) OBJECT_CHECK(struct IRQState, (obj), TYPE_IRQ)
struct IRQState {
+ Object parent_obj;
+
qemu_irq_handler handler;
void *opaque;
int n;
@@ -63,7 +68,7 @@ qemu_irq qemu_allocate_irq(qemu_irq_handler handler, void
*opaque, int n)
{
struct IRQState *irq;
- irq = g_new(struct IRQState, 1);
+ irq = IRQ(object_new(TYPE_IRQ));
irq->handler = handler;
irq->opaque = opaque;
irq->n = n;
@@ -82,7 +87,7 @@ void qemu_free_irqs(qemu_irq *s, int n)
void qemu_free_irq(qemu_irq irq)
{
- g_free(irq);
+ object_unref(OBJECT(irq));
}
static void qemu_notirq(void *opaque, int line, int level)
@@ -144,3 +149,16 @@ void qemu_irq_intercept_out(qemu_irq **gpio_out,
qemu_irq_handler handler, int n
qemu_irq *old_irqs = *gpio_out;
*gpio_out = qemu_allocate_irqs(handler, old_irqs, n);
}
+
+static const TypeInfo irq_type_info = {
+ .name = TYPE_IRQ,
+ .parent = TYPE_OBJECT,
+ .instance_size = sizeof(struct IRQState),
+};
+
+static void irq_register_types(void)
+{
+ type_register_static(&irq_type_info);
+}
+
+type_init(irq_register_types)
diff --git a/include/hw/irq.h b/include/hw/irq.h
index 9f34c96..6f874f5 100644
--- a/include/hw/irq.h
+++ b/include/hw/irq.h
@@ -3,6 +3,8 @@
/* Generic IRQ/GPIO pin infrastructure. */
+#define TYPE_IRQ "irq"
+
typedef struct IRQState *qemu_irq;
typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
--
1.8.4.5