Archipelago » qemu

#ifndef HW_SYSBUS_H

#define HW_SYSBUS_H 1

/* Devices attached directly to the main system bus.  */

#include "qdev.h"

#include "memory.h"

#define QDEV_MAX_MMIO 32

#define QDEV_MAX_PIO 32

#define QDEV_MAX_IRQ 512

typedef struct SysBusDevice SysBusDevice;

#define TYPE_SYS_BUS_DEVICE "sys-bus-device"

#define SYS_BUS_DEVICE(obj) \

     OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE)

#define SYS_BUS_DEVICE_CLASS(klass) \

     OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE)

#define SYS_BUS_DEVICE_GET_CLASS(obj) \

     OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE)

typedef struct SysBusDeviceClass {

    DeviceClass parent_class;

    int (*init)(SysBusDevice *dev);

} SysBusDeviceClass;

struct SysBusDevice {

    DeviceState qdev;

    int num_irq;

    qemu_irq irqs[QDEV_MAX_IRQ];

    qemu_irq *irqp[QDEV_MAX_IRQ];

    int num_mmio;

    struct {

        target_phys_addr_t addr;

        MemoryRegion *memory;

    } mmio[QDEV_MAX_MMIO];

    int num_pio;

    pio_addr_t pio[QDEV_MAX_PIO];

};

/* Macros to compensate for lack of type inheritance in C.  */

#define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))

#define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)

void *sysbus_new(void);

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, target_phys_addr_t addr);

void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,

                       MemoryRegion *mem);

void sysbus_add_memory_overlap(SysBusDevice *dev, target_phys_addr_t addr,

                               MemoryRegion *mem, unsigned priority);

void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);

void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t 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,

                                 target_phys_addr_t addr, ...);

DeviceState *sysbus_try_create_varargs(const char *name,

                                       target_phys_addr_t addr, ...);

static inline DeviceState *sysbus_create_simple(const char *name,

                                              target_phys_addr_t addr,

                                              qemu_irq irq)

{

    return sysbus_create_varargs(name, addr, irq, NULL);

}

static inline DeviceState *sysbus_try_create_simple(const char *name,

                                                    target_phys_addr_t addr,

                                                    qemu_irq irq)

{

    return sysbus_try_create_varargs(name, addr, irq, NULL);

}

#endif /* !HW_SYSBUS_H */