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 */