1: /* ISA bus */
    2: 
    3: extern target_phys_addr_t isa_mem_base;
    4: 
    5: int register_ioport_read(int start, int length, int size,
    6:                          IOPortReadFunc *func, void *opaque);
    7: int register_ioport_write(int start, int length, int size,
    8:                           IOPortWriteFunc *func, void *opaque);
    9: void isa_unassign_ioport(int start, int length);
   10: 
   11: void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);
   12: 
   13: /* dma.c */
   14: int DMA_get_channel_mode (int nchan);
   15: int DMA_read_memory (int nchan, void *buf, int pos, int size);
   16: int DMA_write_memory (int nchan, void *buf, int pos, int size);
   17: void DMA_hold_DREQ (int nchan);
   18: void DMA_release_DREQ (int nchan);
   19: void DMA_schedule(int nchan);
   20: void DMA_run (void);
   21: void DMA_init (int high_page_enable);
   22: void DMA_register_channel (int nchan,
   23:                            DMA_transfer_handler transfer_handler,
   24:                            void *opaque);