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-rw-r--r--hw/ssi.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/hw/ssi.c b/hw/ssi.c
index c47419d57f..2b56357153 100644
--- a/hw/ssi.c
+++ b/hw/ssi.c
@@ -139,3 +139,36 @@ static void ssi_slave_register_types(void)
}
type_init(ssi_slave_register_types)
+
+typedef struct SSIAutoConnectArg {
+ qemu_irq **cs_linep;
+ SSIBus *bus;
+} SSIAutoConnectArg;
+
+static int ssi_auto_connect_slave(Object *child, void *opaque)
+{
+ SSIAutoConnectArg *arg = opaque;
+ SSISlave *dev = (SSISlave *)object_dynamic_cast(child, TYPE_SSI_SLAVE);
+ qemu_irq cs_line;
+
+ if (!dev) {
+ return 0;
+ }
+
+ cs_line = qdev_get_gpio_in(DEVICE(dev), 0);
+ qdev_set_parent_bus(DEVICE(dev), &arg->bus->qbus);
+ **arg->cs_linep = cs_line;
+ (*arg->cs_linep)++;
+ return 0;
+}
+
+void ssi_auto_connect_slaves(DeviceState *parent, qemu_irq *cs_line,
+ SSIBus *bus)
+{
+ SSIAutoConnectArg arg = {
+ .cs_linep = &cs_line,
+ .bus = bus
+ };
+
+ object_child_foreach(OBJECT(parent), ssi_auto_connect_slave, &arg);
+}