hw/isa.h

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