From 6f93e3ec6d40c1406389cdb83ffb55ac18fd9744 Mon Sep 17 00:00:00 2001
From: Blue Swirl <blauwirbel@gmail.com>
Date: Tue, 21 Jul 2009 19:57:32 +0000
Subject: [PATCH] Sparc32: convert Sun4c interrupt controller to qdev

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 hw/sun4c_intctl.c | 63 ++++++++++++++++++++++++++++++++++++++++++-------------
 hw/sun4m.c        | 11 +++++++---
 hw/sun4m.h        |  3 +--
 3 files changed, 57 insertions(+), 20 deletions(-)

diff --git a/hw/sun4c_intctl.c b/hw/sun4c_intctl.c
index 1273213..c9867da 100644
--- a/hw/sun4c_intctl.c
+++ b/hw/sun4c_intctl.c
@@ -21,9 +21,12 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+
 #include "hw.h"
 #include "sun4m.h"
 #include "monitor.h"
+#include "sysbus.h"
+
 //#define DEBUG_IRQ_COUNT
 //#define DEBUG_IRQ
 
@@ -42,10 +45,11 @@
 #define MAX_PILS 16
 
 typedef struct Sun4c_INTCTLState {
+    SysBusDevice busdev;
 #ifdef DEBUG_IRQ_COUNT
     uint64_t irq_count;
 #endif
-    qemu_irq *cpu_irqs;
+    qemu_irq cpu_irqs[MAX_PILS];
     const uint32_t *intbit_to_level;
     uint32_t pil_out;
     uint8_t reg;
@@ -194,25 +198,54 @@ static void sun4c_intctl_reset(void *opaque)
     s->pending = 0;
 }
 
-void *sun4c_intctl_init(target_phys_addr_t addr, qemu_irq **irq,
-                        qemu_irq *parent_irq)
+DeviceState *sun4c_intctl_init(target_phys_addr_t addr, qemu_irq *parent_irq)
 {
-    int sun4c_intctl_io_memory;
-    Sun4c_INTCTLState *s;
+    DeviceState *dev;
+    SysBusDevice *s;
+    unsigned int i;
 
-    s = qemu_mallocz(sizeof(Sun4c_INTCTLState));
+    dev = qdev_create(NULL, "sun4c_intctl");
+    qdev_init(dev);
 
-    sun4c_intctl_io_memory = cpu_register_io_memory(sun4c_intctl_mem_read,
-                                                    sun4c_intctl_mem_write, s);
-    cpu_register_physical_memory(addr, INTCTL_SIZE, sun4c_intctl_io_memory);
-    s->cpu_irqs = parent_irq;
+    s = sysbus_from_qdev(dev);
 
-    register_savevm("sun4c_intctl", addr, 1, sun4c_intctl_save,
-                    sun4c_intctl_load, s);
+    for (i = 0; i < MAX_PILS; i++) {
+        sysbus_connect_irq(s, i, parent_irq[i]);
+    }
+    sysbus_mmio_map(s, 0, addr);
 
-    qemu_register_reset(sun4c_intctl_reset, s);
-    *irq = qemu_allocate_irqs(sun4c_set_irq, s, 8);
+    return dev;
+}
+
+static void sun4c_intctl_init1(SysBusDevice *dev)
+{
+    Sun4c_INTCTLState *s = FROM_SYSBUS(Sun4c_INTCTLState, dev);
+    int io_memory;
+    unsigned int i;
 
+    io_memory = cpu_register_io_memory(sun4c_intctl_mem_read,
+                                       sun4c_intctl_mem_write, s);
+    sysbus_init_mmio(dev, INTCTL_SIZE, io_memory);
+    qdev_init_gpio_in(&dev->qdev, sun4c_set_irq, 8);
+
+    for (i = 0; i < MAX_PILS; i++) {
+        sysbus_init_irq(dev, &s->cpu_irqs[i]);
+    }
+    register_savevm("sun4c_intctl", -1, 1, sun4c_intctl_save,
+                    sun4c_intctl_load, s);
+    qemu_register_reset(sun4c_intctl_reset, s);
     sun4c_intctl_reset(s);
-    return s;
 }
+
+static SysBusDeviceInfo sun4c_intctl_info = {
+    .init = sun4c_intctl_init1,
+    .qdev.name  = "sun4c_intctl",
+    .qdev.size  = sizeof(Sun4c_INTCTLState),
+};
+
+static void sun4c_intctl_register_devices(void)
+{
+    sysbus_register_withprop(&sun4c_intctl_info);
+}
+
+device_init(sun4c_intctl_register_devices)
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 1e24017..1e668fc 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -1502,13 +1502,15 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
 {
     CPUState *env;
     void *iommu, *espdma, *ledma, *nvram;
-    qemu_irq *cpu_irqs, *slavio_irq, espdma_irq, ledma_irq;
+    qemu_irq *cpu_irqs, slavio_irq[8], espdma_irq, ledma_irq;
     qemu_irq *esp_reset, *le_reset;
     qemu_irq fdc_tc;
     unsigned long kernel_size;
     BlockDriverState *fd[MAX_FD];
     int drive_index;
     void *fw_cfg;
+    DeviceState *dev;
+    unsigned int i;
 
     /* init CPU */
     if (!cpu_model)
@@ -1521,8 +1523,11 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
 
     prom_init(hwdef->slavio_base, bios_name);
 
-    slavio_intctl = sun4c_intctl_init(hwdef->intctl_base,
-                                      &slavio_irq, cpu_irqs);
+    dev = sun4c_intctl_init(hwdef->intctl_base, cpu_irqs);
+
+    for (i = 0; i < 8; i++) {
+        slavio_irq[i] = qdev_get_gpio_in(dev, i);
+    }
 
     iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
                        slavio_irq[hwdef->me_irq]);
diff --git a/hw/sun4m.h b/hw/sun4m.h
index db4acb4..33d5010 100644
--- a/hw/sun4m.h
+++ b/hw/sun4m.h
@@ -39,8 +39,7 @@ void slavio_irq_info(Monitor *mon, void *opaque);
 DeviceState *sbi_init(target_phys_addr_t addr, qemu_irq **parent_irq);
 
 /* sun4c_intctl.c */
-void *sun4c_intctl_init(target_phys_addr_t addr, qemu_irq **irq,
-                        qemu_irq *parent_irq);
+DeviceState *sun4c_intctl_init(target_phys_addr_t addr, qemu_irq *parent_irq);
 void sun4c_pic_info(Monitor *mon, void *opaque);
 void sun4c_irq_info(Monitor *mon, void *opaque);
 
-- 
2.7.4