blob: f5aaa05ee3b55814e117ad8ad949f8db747bca2d [file] [log] [blame]
#ifndef HW_SYSBUS_H
#define HW_SYSBUS_H 1
/* Devices attached directly to the main system bus. */
#include "hw/qdev.h"
#include "exec/memory.h"
#define QDEV_MAX_MMIO 32
#define QDEV_MAX_PIO 32
#define QDEV_MAX_IRQ 512
#define TYPE_SYSTEM_BUS "System"
typedef struct SysBusDevice SysBusDevice;
#define TYPE_SYS_BUS_DEVICE "sys-bus-device"
#define SYS_BUS_DEVICE(obj) \
#define SYS_BUS_DEVICE_CLASS(klass) \
* SysBusDeviceClass:
* @init: Callback function invoked when the #DeviceState.realized property
* is changed to %true. Deprecated, new types inheriting directly from
* TYPE_SYS_BUS_DEVICE should use #DeviceClass.realize instead, new leaf
* types should consult their respective parent type.
* SysBusDeviceClass is not overriding #DeviceClass.realize, so derived
* classes overriding it are not required to invoke its implementation.
typedef struct SysBusDeviceClass {
/*< private >*/
DeviceClass parent_class;
/*< public >*/
int (*init)(SysBusDevice *dev);
} SysBusDeviceClass;
struct SysBusDevice {
/*< private >*/
DeviceState parent_obj;
/*< public >*/
int num_irq;
qemu_irq irqs[QDEV_MAX_IRQ];
qemu_irq *irqp[QDEV_MAX_IRQ];
int num_mmio;
struct {
hwaddr addr;
MemoryRegion *memory;
} mmio[QDEV_MAX_MMIO];
int num_pio;
pio_addr_t pio[QDEV_MAX_PIO];
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, hwaddr addr);
void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr,
int priority);
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,
hwaddr addr, ...);
DeviceState *sysbus_try_create_varargs(const char *name,
hwaddr addr, ...);
static inline DeviceState *sysbus_create_simple(const char *name,
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 */