/* Devices attached directly to the main system bus. */
#include "qdev.h"
+#include "exec/memory.h"
#define QDEV_MAX_MMIO 32
-#define QDEV_MAX_IRQ 256
+#define QDEV_MAX_PIO 32
+#define QDEV_MAX_IRQ 512
+
+#define TYPE_SYSTEM_BUS "System"
+#define SYSTEM_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
typedef struct SysBusDevice SysBusDevice;
-typedef void (*mmio_mapfunc)(SysBusDevice *dev, target_phys_addr_t addr);
+
+#define TYPE_SYS_BUS_DEVICE "sys-bus-device"
+#define SYS_BUS_DEVICE(obj) \
+ OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE)
+#define SYS_BUS_DEVICE_CLASS(klass) \
+ OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE)
+#define SYS_BUS_DEVICE_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE)
+
+typedef struct SysBusDeviceClass {
+ DeviceClass parent_class;
+
+ int (*init)(SysBusDevice *dev);
+} SysBusDeviceClass;
struct SysBusDevice {
DeviceState qdev;
qemu_irq *irqp[QDEV_MAX_IRQ];
int num_mmio;
struct {
- target_phys_addr_t addr;
- target_phys_addr_t size;
- mmio_mapfunc cb;
- int iofunc;
+ hwaddr addr;
+ MemoryRegion *memory;
} mmio[QDEV_MAX_MMIO];
+ int num_pio;
+ pio_addr_t pio[QDEV_MAX_PIO];
};
-typedef void (*sysbus_initfn)(SysBusDevice *dev);
-
/* Macros to compensate for lack of type inheritance in C. */
#define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))
#define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)
-typedef struct {
- DeviceInfo qdev;
- sysbus_initfn init;
-} SysBusDeviceInfo;
-
-void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init);
-void sysbus_register_withprop(SysBusDeviceInfo *info);
void *sysbus_new(void);
-void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size, int iofunc);
-void sysbus_init_mmio_cb(SysBusDevice *dev, target_phys_addr_t size,
- mmio_mapfunc cb);
+void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory);
+MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
+void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size);
void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
-void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
+void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr);
+void sysbus_add_memory(SysBusDevice *dev, hwaddr addr,
+ MemoryRegion *mem);
+void sysbus_add_memory_overlap(SysBusDevice *dev, hwaddr addr,
+ MemoryRegion *mem, unsigned priority);
+void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
+void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
+ MemoryRegion *mem);
+void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
+MemoryRegion *sysbus_address_space(SysBusDevice *dev);
/* Legacy helper function for creating devices. */
DeviceState *sysbus_create_varargs(const char *name,
- target_phys_addr_t addr, ...);
+ hwaddr addr, ...);
+DeviceState *sysbus_try_create_varargs(const char *name,
+ hwaddr addr, ...);
static inline DeviceState *sysbus_create_simple(const char *name,
- target_phys_addr_t addr,
+ hwaddr addr,
qemu_irq irq)
{
return sysbus_create_varargs(name, addr, irq, NULL);
}
+static inline DeviceState *sysbus_try_create_simple(const char *name,
+ hwaddr addr,
+ qemu_irq irq)
+{
+ return sysbus_try_create_varargs(name, addr, irq, NULL);
+}
+
#endif /* !HW_SYSBUS_H */