riscv/devices.h

   1 #ifndef _RISCV_DEVICES_H
   2 #define _RISCV_DEVICES_H
   3
   4 #include "decode.h"
   5 #include <map>
   6 #include <vector>
   7
   8 class abstract_device_t {
   9  public:
  10   virtual bool load(reg_t addr, size_t len, uint8_t* bytes) = 0;
  11   virtual bool store(reg_t addr, size_t len, const uint8_t* bytes) = 0;
  12   virtual ~abstract_device_t() {}
  13 };
  14
  15 class bus_t : public abstract_device_t {
  16  public:
  17   bool load(reg_t addr, size_t len, uint8_t* bytes);
  18   bool store(reg_t addr, size_t len, const uint8_t* bytes);
  19   void add_device(reg_t addr, abstract_device_t* dev);
  20
  21  private:
  22   std::map<reg_t, abstract_device_t*> devices;
  23 };
  24
  25 class rom_device_t : public abstract_device_t {
  26  public:
  27   rom_device_t(std::vector<char> data);
  28   bool load(reg_t addr, size_t len, uint8_t* bytes);
  29   bool store(reg_t addr, size_t len, const uint8_t* bytes);
  30  private:
  31   std::vector<char> data;
  32 };
  33
  34 #endif