4 /* Devices attached directly to the main system bus. */
8 #define QDEV_MAX_MMIO 5
9 #define QDEV_MAX_IRQ 32
11 typedef struct SysBusDevice SysBusDevice;
12 typedef void (*mmio_mapfunc)(SysBusDevice *dev, target_phys_addr_t addr);
17 qemu_irq irqs[QDEV_MAX_IRQ];
18 qemu_irq *irqp[QDEV_MAX_IRQ];
21 target_phys_addr_t addr;
22 target_phys_addr_t size;
25 } mmio[QDEV_MAX_MMIO];
28 typedef void (*sysbus_initfn)(SysBusDevice *dev);
30 /* Macros to compensate for lack of type inheritance in C. */
31 #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))
32 #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)
34 void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init);
35 void *sysbus_new(void);
36 void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size, int iofunc);
37 void sysbus_init_mmio_cb(SysBusDevice *dev, target_phys_addr_t size,
39 void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
40 void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
43 void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
44 void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
46 /* Legacy helper function for creating devices. */
47 DeviceState *sysbus_create_varargs(const char *name,
48 target_phys_addr_t addr, ...);
49 static inline DeviceState *sysbus_create_simple(const char *name,
50 target_phys_addr_t addr,
53 return sysbus_create_varargs(name, addr, irq, NULL);
56 #endif /* !HW_SYSBUS_H */