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[Qemu-devel] [PATCH RFC 5/7] cpu: Introduce cpu_class_foreach()
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH RFC 5/7] cpu: Introduce cpu_class_foreach() |
Date: |
Sun, 29 Jan 2012 14:25:29 +0100 |
Provides an easy way to loop over all non-abstract CPU classes.
Signed-off-by: Andreas Färber <address@hidden>
---
hw/cpu.c | 25 +++++++++++++++++++++++++
include/qemu/cpu.h | 9 +++++++++
2 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/hw/cpu.c b/hw/cpu.c
index c0e9cfa..ac0add7 100644
--- a/hw/cpu.c
+++ b/hw/cpu.c
@@ -11,6 +11,31 @@
#include "qemu/cpu.h"
#include "qemu-common.h"
+struct CPUListData {
+ void (*fn)(ObjectClass *klass, void *opaque);
+ void *opaque;
+};
+
+static void cpu_class_foreach_tramp(ObjectClass *klass, void *opaque)
+{
+ struct CPUListData *s = opaque;
+
+ if (!object_class_is_abstract(klass) &&
+ object_class_dynamic_cast(klass, TYPE_CPU) != NULL) {
+ s->fn(klass, s->opaque);
+ }
+}
+
+void cpu_class_foreach(void (*fn)(ObjectClass *klass, void *opaque),
+ void *opaque)
+{
+ struct CPUListData s = {
+ .fn = fn,
+ .opaque = opaque,
+ };
+ object_class_foreach(cpu_class_foreach_tramp, &s);
+}
+
static TypeInfo cpu_type_info = {
.name = TYPE_CPU,
.parent = TYPE_OBJECT,
diff --git a/include/qemu/cpu.h b/include/qemu/cpu.h
index 4b81f3b..d06c87e 100644
--- a/include/qemu/cpu.h
+++ b/include/qemu/cpu.h
@@ -24,4 +24,13 @@ typedef struct CPU {
} CPU;
+/**
+ * cpu_class_foreach:
+ * @fn: Callback function called for each non-abstract CPU type.
+ * @opaque: Opaque data passed through to the callback function.
+ */
+void cpu_class_foreach(void (*fn)(ObjectClass *klass, void *opaque),
+ void *opaque);
+
+
#endif
--
1.7.7
- [Qemu-devel] [PATCH RFC 0/7] Introduce QOM CPU and use for target-arm, Andreas Färber, 2012/01/29
- [Qemu-devel] [PATCH RFC 2/7] qom: Register QOM infrastructure early, Andreas Färber, 2012/01/29
- [Qemu-devel] [PATCH RFC 3/7] qom: Add QOM support to user emulators, Andreas Färber, 2012/01/29
- [Qemu-devel] [PATCH RFC 5/7] cpu: Introduce cpu_class_foreach(),
Andreas Färber <=
- [Qemu-devel] [PATCH 1/7][RESEND] qom: Introduce object_class_is_abstract(), Andreas Färber, 2012/01/29
- [Qemu-devel] [PATCH RFC 4/7] qom: Introduce CPU class, Andreas Färber, 2012/01/29
- [Qemu-devel] [PATCH RFC 6/7] target-arm: Introduce QOM CPU and use for it CPUID lookup, Andreas Färber, 2012/01/29