riscv/processor.h

   1 #ifndef _RISCV_PROCESSOR_H
   2 #define _RISCV_PROCESSOR_H
   3
   4 #include <cstring>
   5 #include "decode.h"
   6 #include "trap.h"
   7 #include "mmu.h"
   8
   9 class processor_t
  10 {
  11 public:
  12   processor_t(int _id, char* _mem, size_t _memsz);
  13   void step(size_t n, bool noisy);
  14
  15 private:
  16   // architected state
  17   reg_t R[NGPR];
  18   reg_t pc;
  19   reg_t epc;
  20   reg_t badvaddr;
  21   reg_t ebase;
  22   uint32_t id;
  23   uint32_t sr;
  24   int gprlen;
  25
  26   // shared memory
  27   mmu_t mmu;
  28
  29   // counters
  30   reg_t counters[32];
  31
  32   // functions
  33   void set_sr(uint32_t val);
  34   void take_trap(trap_t t);
  35   void disasm(insn_t insn, reg_t pc);
  36
  37   friend class sim_t;
  38 };
  39
  40 #endif