riscv/extension.h

   1 #ifndef _RISCV_COPROCESSOR_H
   2 #define _RISCV_COPROCESSOR_H
   3
   4 #include "processor.h"
   5 #include <map>
   6 #include <string>
   7 #include <vector>
   8 #include <functional>
   9
  10 class extension_t
  11 {
  12  public:
  13   virtual std::vector<insn_desc_t> get_instructions() = 0;
  14   virtual const char* name() = 0;
  15   virtual ~extension_t();
  16
  17   void set_processor(processor_t* _p) { p = _p; }
  18  protected:
  19   processor_t* p;
  20
  21   void illegal_instruction();
  22   void raise_interrupt();
  23   void clear_interrupt();
  24 };
  25
  26 std::map<std::string, std::function<extension_t*()>>& extensions();
  27
  28 #define REGISTER_EXTENSION(name, constructor) \
  29   class register_##name { \
  30     public: register_##name() { extensions()[#name] = constructor; } \
  31   }; static register_##name dummy_##name;
  32
  33 #endif