riscv/rocc.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

#ifndef _RISCV_ROCC_H
#define _RISCV_ROCC_H

#include "extension.h"

struct rocc_insn_t
{
  unsigned opcode : 7;
  unsigned rd : 5;
  unsigned xs2 : 1;
  unsigned xs1 : 1;
  unsigned xd : 1;
  unsigned rs1 : 5;
  unsigned rs2 : 5;
  unsigned funct : 7;
};

class rocc_t : public extension_t
{
 public:
  virtual reg_t custom0(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  virtual reg_t custom1(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  virtual reg_t custom2(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  virtual reg_t custom3(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  std::vector<insn_desc_t> get_instructions();
};

#endif