C++程序  |  25行  |  638 B

#ifndef HW_ISA_H
#define HW_ISA_H

/* ISA bus */

#include "exec/ioport.h"
#include "hw/qdev.h"

extern hwaddr isa_mem_base;

void isa_mmio_init(hwaddr base, hwaddr 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);
void DMA_register_channel (int nchan,
                           DMA_transfer_handler transfer_handler,
                           void *opaque);
#endif