4 /* Devices attached directly to the main system bus. */
9 #define QDEV_MAX_MMIO 32
10 #define QDEV_MAX_PIO 32
11 #define QDEV_MAX_IRQ 512
13 typedef struct SysBusDevice SysBusDevice
;
15 #define TYPE_SYS_BUS_DEVICE "sys-bus-device"
16 #define SYS_BUS_DEVICE(obj) \
17 OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE)
18 #define SYS_BUS_DEVICE_CLASS(klass) \
19 OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE)
20 #define SYS_BUS_DEVICE_GET_CLASS(obj) \
21 OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE)
23 typedef struct SysBusDeviceClass
{
24 DeviceClass parent_class
;
26 int (*init
)(SysBusDevice
*dev
);
32 qemu_irq irqs
[QDEV_MAX_IRQ
];
33 qemu_irq
*irqp
[QDEV_MAX_IRQ
];
36 target_phys_addr_t addr
;
38 } mmio
[QDEV_MAX_MMIO
];
40 pio_addr_t pio
[QDEV_MAX_PIO
];
43 /* Macros to compensate for lack of type inheritance in C. */
44 #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))
45 #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)
47 #define sysbus_register_withprop(info) sysbus_qdev_register(info)
48 void sysbus_qdev_register(DeviceInfo
*info
);
49 void sysbus_qdev_register_subclass(DeviceInfo
*info
, const char *parent
);
51 void *sysbus_new(void);
52 void sysbus_init_mmio(SysBusDevice
*dev
, MemoryRegion
*memory
);
53 MemoryRegion
*sysbus_mmio_get_region(SysBusDevice
*dev
, int n
);
54 void sysbus_init_irq(SysBusDevice
*dev
, qemu_irq
*p
);
55 void sysbus_pass_irq(SysBusDevice
*dev
, SysBusDevice
*target
);
56 void sysbus_init_ioports(SysBusDevice
*dev
, pio_addr_t ioport
, pio_addr_t size
);
59 void sysbus_connect_irq(SysBusDevice
*dev
, int n
, qemu_irq irq
);
60 void sysbus_mmio_map(SysBusDevice
*dev
, int n
, target_phys_addr_t addr
);
61 void sysbus_add_memory(SysBusDevice
*dev
, target_phys_addr_t addr
,
63 void sysbus_add_memory_overlap(SysBusDevice
*dev
, target_phys_addr_t addr
,
64 MemoryRegion
*mem
, unsigned priority
);
65 void sysbus_del_memory(SysBusDevice
*dev
, MemoryRegion
*mem
);
66 void sysbus_add_io(SysBusDevice
*dev
, target_phys_addr_t addr
,
68 void sysbus_del_io(SysBusDevice
*dev
, MemoryRegion
*mem
);
69 MemoryRegion
*sysbus_address_space(SysBusDevice
*dev
);
71 /* Legacy helper function for creating devices. */
72 DeviceState
*sysbus_create_varargs(const char *name
,
73 target_phys_addr_t addr
, ...);
74 DeviceState
*sysbus_try_create_varargs(const char *name
,
75 target_phys_addr_t addr
, ...);
76 static inline DeviceState
*sysbus_create_simple(const char *name
,
77 target_phys_addr_t addr
,
80 return sysbus_create_varargs(name
, addr
, irq
, NULL
);
83 static inline DeviceState
*sysbus_try_create_simple(const char *name
,
84 target_phys_addr_t addr
,
87 return sysbus_try_create_varargs(name
, addr
, irq
, NULL
);
90 #endif /* !HW_SYSBUS_H */