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];
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qemu_irq *irqp[QDEV_MAX_IRQ];
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target_phys_addr_t addr;
22
target_phys_addr_t size;
25
} mmio[QDEV_MAX_MMIO];
28
typedef void (*sysbus_initfn)(SysBusDevice *dev);
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/* Macros to compensate for lack of type inheritance in C. */
31
#define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))
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#define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)
39
void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init);
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void sysbus_register_withprop(const char *name, size_t size,
41
SysBusDeviceInfo *info);
42
void *sysbus_new(void);
43
void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size, int iofunc);
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void sysbus_init_mmio_cb(SysBusDevice *dev, target_phys_addr_t size,
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void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
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void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
50
void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
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void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
53
/* Legacy helper function for creating devices. */
54
DeviceState *sysbus_create_varargs(const char *name,
55
target_phys_addr_t addr, ...);
56
static inline DeviceState *sysbus_create_simple(const char *name,
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target_phys_addr_t addr,
60
return sysbus_create_varargs(name, addr, irq, NULL);
63
#endif /* !HW_SYSBUS_H */