riscv/extension.h

   1 #ifndef _RISCV_COPROCESSOR_H
   2 #define _RISCV_COPROCESSOR_H
   3
   4 #include "processor.h"
   5 #include "disasm.h"
   6 #include <map>
   7 #include <string>
   8 #include <vector>
   9 #include <functional>
  10
  11 class extension_t
  12 {
  13  public:
  14   virtual std::vector<insn_desc_t> get_instructions() = 0;
  15   virtual std::vector<disasm_insn_t*> get_disasms() = 0;
  16   virtual const char* name() = 0;
  17   virtual void reset() {};
  18   virtual void set_debug(bool value) {};
  19   virtual ~extension_t();
  20
  21   void set_processor(processor_t* _p) { p = _p; }
  22  protected:
  23   processor_t* p;
  24
  25   void illegal_instruction();
  26   void raise_interrupt();
  27   void clear_interrupt();
  28 };
  29
  30 std::map<std::string, std::function<extension_t*()>>& extensions();
  31
  32 #define REGISTER_EXTENSION(name, constructor) \
  33   class register_##name { \
  34     public: register_##name() { extensions()[#name] = constructor; } \
  35   }; static register_##name dummy_##name;
  36
  37 #endif