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[Qemu-devel] [PATCH 1/5] qdev: introduce qdev_create_kid(Object *parent,
From: |
Liu Ping Fan |
Subject: |
[Qemu-devel] [PATCH 1/5] qdev: introduce qdev_create_kid(Object *parent, const char *type) |
Date: |
Tue, 10 Jul 2012 14:16:03 +0800 |
DeviceState can be created as kid of DeviceState/CPUState, not neccesary
attached to bus. This will be helpful to simulate the real hardware
submodule which sits inside package.
Signed-off-by: Liu Ping Fan <address@hidden>
---
hw/qdev.c | 28 ++++++++++++++++++++++++++++
hw/qdev.h | 1 +
2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/hw/qdev.c b/hw/qdev.c
index af54467..d2100a1 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -26,6 +26,7 @@
this API directly. */
#include "net.h"
+#include "qemu/cpu.h"
#include "qdev.h"
#include "sysemu.h"
#include "error.h"
@@ -145,6 +146,33 @@ DeviceState *qdev_try_create(BusState *bus, const char
*type)
return dev;
}
+DeviceState *qdev_create_kid(Object *parent, const char *type)
+{
+ DeviceState *dev;
+ assert(parent);
+
+ if (object_class_by_name(type) == NULL) {
+ return NULL;
+ }
+
+ if (object_is_type_str(parent, TYPE_BUS)) {
+ return qdev_create(BUS(parent), type);
+ }
+
+ if (!object_is_type_str(parent, TYPE_DEVICE)
+ || !object_is_type_str(parent, TYPE_CPU)) {
+ return NULL;
+ }
+
+ dev = DEVICE(object_new(type));
+ if (!dev) {
+ return NULL;
+ }
+ object_property_add_child(OBJECT(parent), type, OBJECT(dev), NULL);
+
+ return dev;
+}
+
/* Initialize a device. Device properties should be set before calling
this function. IRQs and MMIO regions should be connected/mapped after
calling this function.
diff --git a/hw/qdev.h b/hw/qdev.h
index f4683dc..aecc69e 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -154,6 +154,7 @@ typedef struct GlobalProperty {
DeviceState *qdev_create(BusState *bus, const char *name);
DeviceState *qdev_try_create(BusState *bus, const char *name);
+DeviceState *qdev_create_kid(Object *parent, const char *type);
bool qdev_exists(const char *name);
int qdev_device_help(QemuOpts *opts);
DeviceState *qdev_device_add(QemuOpts *opts);
--
1.7.4.4
- [Qemu-devel] make apic hot-plugable, Liu Ping Fan, 2012/07/10
- [Qemu-devel] [PATCH 1/5] qdev: introduce qdev_create_kid(Object *parent, const char *type),
Liu Ping Fan <=
- [Qemu-devel] [PATCH 2/5] qom: introduce object_is_type_str(), so we can judge its type., Liu Ping Fan, 2012/07/10
- [Qemu-devel] [PATCH 3/5] qdev: export the bus reset interface, Liu Ping Fan, 2012/07/10
- [Qemu-devel] [PATCH 4/5] qom-cpu: during cpu reset, it will reset its child, Liu Ping Fan, 2012/07/10