Archipelago » qemu

#ifndef HW_ISA_H

#define HW_ISA_H

/* ISA bus */

#include "ioport.h"

#include "memory.h"

#include "qdev.h"

typedef struct ISABus ISABus;

typedef struct ISADevice ISADevice;

typedef struct ISADeviceInfo ISADeviceInfo;

struct ISADevice {

    DeviceState qdev;

    uint32_t isairq[2];

    int nirqs;

    uint16_t ioports[32];

    int nioports;

};

typedef int (*isa_qdev_initfn)(ISADevice *dev);

struct ISADeviceInfo {

    DeviceInfo qdev;

    isa_qdev_initfn init;

};

ISABus *isa_bus_new(DeviceState *dev);

void isa_bus_irqs(qemu_irq *irqs);

qemu_irq isa_get_irq(int isairq);

void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);

void isa_init_ioport(ISADevice *dev, uint16_t ioport);

void isa_init_ioport_range(ISADevice *dev, uint16_t start, uint16_t length);

void isa_qdev_register(ISADeviceInfo *info);

MemoryRegion *isa_address_space(ISADevice *dev);

ISADevice *isa_create(const char *name);

ISADevice *isa_try_create(const char *name);

ISADevice *isa_create_simple(const char *name);

extern target_phys_addr_t isa_mem_base;

void isa_mmio_setup(MemoryRegion *mr, target_phys_addr_t size);

void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);

/* dma.c */

int DMA_get_channel_mode (int nchan);

int DMA_read_memory (int nchan, void *buf, int pos, int size);

int DMA_write_memory (int nchan, void *buf, int pos, int size);

void DMA_hold_DREQ (int nchan);

void DMA_release_DREQ (int nchan);

void DMA_schedule(int nchan);

void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit);

void DMA_register_channel (int nchan,

                           DMA_transfer_handler transfer_handler,

                           void *opaque);

#endif