riscv/htif.h

   1 #ifndef _HTIF_H
   2 #define _HTIF_H
   3
   4 #include <stdint.h>
   5
   6 class sim_t;
   7 struct packet;
   8
   9 // this class implements the host-target interface for program loading, etc.
  10 class htif_t
  11 {
  12 public:
  13   htif_t(int _tohost_fd, int _fromhost_fd);
  14   ~htif_t();
  15   void init(sim_t* _sim);
  16
  17   void wait_for_start();
  18   int wait_for_packet();
  19
  20 private:
  21   sim_t* sim;
  22   int tohost_fd;
  23   int fromhost_fd;
  24   bool reset;
  25   uint8_t seqno;
  26
  27   void nack(uint8_t seqno);
  28   void send_packet(packet* p);
  29 };
  30
  31 #endif