riscv/rocc.h

   1 #ifndef _RISCV_ROCC_H
   2 #define _RISCV_ROCC_H
   3
   4 #include "extension.h"
   5
   6 struct rocc_insn_t
   7 {
   8   unsigned opcode : 7;
   9   unsigned rd : 5;
  10   unsigned xs2 : 1;
  11   unsigned xs1 : 1;
  12   unsigned xd : 1;
  13   unsigned rs1 : 5;
  14   unsigned rs2 : 5;
  15   unsigned funct : 7;
  16 };
  17
  18 union rocc_insn_union_t
  19 {
  20   rocc_insn_t r;
  21   insn_t i;
  22 };
  23
  24 class rocc_t : public extension_t
  25 {
  26  public:
  27   virtual reg_t custom0(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  28   virtual reg_t custom1(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  29   virtual reg_t custom2(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  30   virtual reg_t custom3(rocc_insn_t insn, reg_t xs1, reg_t xs2);
  31   std::vector<insn_desc_t> get_instructions();
  32   std::vector<disasm_insn_t*> get_disasms();
  33 };
  34
  35 #endif