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-rw-r--r--hw/core/irq.c46
1 files changed, 29 insertions, 17 deletions
diff --git a/hw/core/irq.c b/hw/core/irq.c
index 03c8cb3..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;
@@ -42,23 +47,14 @@ qemu_irq *qemu_extend_irqs(qemu_irq *old, int n_old, qemu_irq_handler handler,
void *opaque, int n)
{
qemu_irq *s;
- struct IRQState *p;
int i;
if (!old) {
n_old = 0;
}
s = old ? g_renew(qemu_irq, old, n + n_old) : g_new(qemu_irq, n);
- p = old ? g_renew(struct IRQState, s[0], n + n_old) :
- g_new(struct IRQState, n);
- for (i = 0; i < n + n_old; i++) {
- if (i >= n_old) {
- p->handler = handler;
- p->opaque = opaque;
- p->n = i;
- }
- s[i] = p;
- p++;
+ for (i = n_old; i < n + n_old; i++) {
+ s[i] = qemu_allocate_irq(handler, opaque, i);
}
return s;
}
@@ -72,7 +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;
@@ -80,15 +76,18 @@ qemu_irq qemu_allocate_irq(qemu_irq_handler handler, void *opaque, int n)
return irq;
}
-void qemu_free_irqs(qemu_irq *s)
+void qemu_free_irqs(qemu_irq *s, int n)
{
- g_free(s[0]);
+ int i;
+ for (i = 0; i < n; i++) {
+ qemu_free_irq(s[i]);
+ }
g_free(s);
}
void qemu_free_irq(qemu_irq irq)
{
- g_free(irq);
+ object_unref(OBJECT(irq));
}
static void qemu_notirq(void *opaque, int line, int level)
@@ -102,7 +101,7 @@ qemu_irq qemu_irq_invert(qemu_irq irq)
{
/* The default state for IRQs is low, so raise the output now. */
qemu_irq_raise(irq);
- return qemu_allocate_irqs(qemu_notirq, irq, 1)[0];
+ return qemu_allocate_irq(qemu_notirq, irq, 0);
}
static void qemu_splitirq(void *opaque, int line, int level)
@@ -117,7 +116,7 @@ qemu_irq qemu_irq_split(qemu_irq irq1, qemu_irq irq2)
qemu_irq *s = g_malloc0(2 * sizeof(qemu_irq));
s[0] = irq1;
s[1] = irq2;
- return qemu_allocate_irqs(qemu_splitirq, s, 1)[0];
+ return qemu_allocate_irq(qemu_splitirq, s, 0);
}
static void proxy_irq_handler(void *opaque, int n, int level)
@@ -150,3 +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)
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