riscv/extension.h

   1 // See LICENSE for license details.
   2
   3 #ifndef _RISCV_COPROCESSOR_H
   4 #define _RISCV_COPROCESSOR_H
   5
   6 #include "processor.h"
   7 #include "disasm.h"
   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::function<extension_t*()> find_extension(const char* name);
  31 void register_extension(const char* name, std::function<extension_t*()> f);
  32
  33 #define REGISTER_EXTENSION(name, constructor) \
  34   class register_##name { \
  35     public: register_##name() { register_extension(#name, constructor); } \
  36   }; static register_##name dummy_##name;
  37
  38 #endif