riscv/htif.h

   1 // See LICENSE for license details.
   2
   3 #ifndef _HTIF_H
   4 #define _HTIF_H
   5
   6 #include <fesvr/htif_pthread.h>
   7
   8 class sim_t;
   9 struct packet;
  10
  11 // this class implements the host-target interface for program loading, etc.
  12 // a simpler implementation would implement the high-level interface
  13 // (read/write cr, read/write chunk) directly, but we implement the lower-
  14 // level serialized interface to be more similar to real target machines.
  15
  16 class htif_isasim_t : public htif_pthread_t
  17 {
  18 public:
  19   htif_isasim_t(sim_t* _sim, const std::vector<std::string>& args);
  20   bool tick();
  21
  22 private:
  23   sim_t* sim;
  24   bool reset;
  25   uint8_t seqno;
  26
  27   void tick_once();
  28   bool done();
  29 };
  30
  31 #endif