riscv/extension.h

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