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 sim_t;
  10
  11 class processor_t
  12 {
  13 public:
  14   processor_t(sim_t* _sim, char* _mem, size_t _memsz);
  15   void init(uint32_t _id);
  16   void step(size_t n, bool noisy);
  17
  18 private:
  19   sim_t* sim;
  20
  21   // architected state
  22   reg_t R[NGPR];
  23   freg_t FR[NFPR];
  24   reg_t pc;
  25   reg_t epc;
  26   reg_t badvaddr;
  27   reg_t ebase;
  28   uint32_t id;
  29   uint32_t sr;
  30   int gprlen;
  31
  32   // shared memory
  33   mmu_t mmu;
  34
  35   // counters
  36   reg_t counters[32];
  37
  38   // functions
  39   void set_sr(uint32_t val);
  40   void take_trap(trap_t t);
  41   void disasm(insn_t insn, reg_t pc);
  42
  43   friend class sim_t;
  44 };
  45
  46 #endif