[Qemu-devel] Fwd: [PATCH 1/5] i8259: qdev-ify creation

["Andreas Färber" <andreas.faerber@web.de>]

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Alex,

I have this in my mailbox, but I'm still waiting for an SoB. Hervé?

Regards,
Andreas

-------- Original-Nachricht --------
Betreff: [PATCH 1/5] i8259: qdev-ify creation
Datum: Sun, 26 Jun 2011 14:47:09 +0200
Von: Hervé Poussineau <hpoussin@reactos.org>
An: andreas.faerber@web.de
Kopie (CC): Hervé Poussineau <hpoussin@reactos.org>

---
 hw/i8259.c |   53 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/hw/i8259.c b/hw/i8259.c
index 84d330d..59e8bd6 100644
--- a/hw/i8259.c
+++ b/hw/i8259.c
@@ -26,6 +26,7 @@
 #include "isa.h"
 #include "monitor.h"
 #include "qemu-timer.h"
+#include "sysbus.h"

 /* debug PIC */
 //#define DEBUG_PIC
@@ -524,16 +525,60 @@ void irq_info(Monitor *mon)

 qemu_irq *i8259_init(qemu_irq parent_irq)
 {
-    PicState2 *s;
+    DeviceState *dev;
+    dev = qdev_create(NULL, "i8259");
+    qdev_init_nofail(dev);
+    qdev_connect_gpio_out(dev, 0, parent_irq);
+
+    return dev->gpio_in;
+}
+
+typedef struct SysBusPicState2 {
+    SysBusDevice busdev;
+    PicState2 state;
+} SysBusPicState2;
+
+static void i8259_set_irq_sysbus(void *opaque, int line, int level)
+{
+    SysBusPicState2 *sysbus = opaque;
+    PicState2 *s = &sysbus->state;
+    i8259_set_irq(s, line, level);
+}
+
+static int i8259_sysbus_init(SysBusDevice *dev)
+{
+    SysBusPicState2 *sysbus = FROM_SYSBUS(SysBusPicState2, dev);
+    PicState2 *s = &sysbus->state;
+
+    if (isa_pic) {
+        return 1;
+    }

-    s = qemu_mallocz(sizeof(PicState2));
     pic_init1(0x20, 0x4d0, &s->pics[0]);
     pic_init1(0xa0, 0x4d1, &s->pics[1]);
     s->pics[0].elcr_mask = 0xf8;
     s->pics[1].elcr_mask = 0xde;
-    s->parent_irq = parent_irq;
     s->pics[0].pics_state = s;
     s->pics[1].pics_state = s;
     isa_pic = s;
-    return qemu_allocate_irqs(i8259_set_irq, s, 16);
+
+    qdev_init_gpio_in(&dev->qdev, i8259_set_irq_sysbus, 16);
+    qdev_init_gpio_out(&dev->qdev, &s->parent_irq, 1);
+    return 0;
+}
+
+static SysBusDeviceInfo i8259_sysbus_info = {
+    .qdev.name = "i8259",
+    .qdev.size = sizeof(SysBusPicState2),
+    .init = i8259_sysbus_init,
+    .qdev.props = (Property[]) {
+        DEFINE_PROP_END_OF_LIST()
+    },
+};
+
+static void i8259_register_devices(void)
+{
+   sysbus_register_withprop(&i8259_sysbus_info);
 }
+
+device_init(i8259_register_devices)
-- 
1.7.5.4


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