Files
vortex/sim/simx/decode.h
2022-02-03 15:19:31 -05:00

61 lines
1.1 KiB
C++

#pragma once
#include <vector>
#include <memory>
namespace vortex {
class ArchDef;
class Instr;
class Pipeline;
class Decoder {
public:
Decoder(const ArchDef &);
std::shared_ptr<Instr> decode(uint32_t code) const;
private:
uint32_t inst_s_;
uint32_t opcode_s_;
uint32_t reg_s_;
uint32_t func2_s_;
uint32_t func3_s_;
uint32_t shift_opcode_;
uint32_t shift_rd_;
uint32_t shift_rs1_;
uint32_t shift_rs2_;
uint32_t shift_rs3_;
uint32_t shift_func2_;
uint32_t shift_func3_;
uint32_t shift_func7_;
uint32_t shift_j_u_immed_;
uint32_t shift_s_b_immed_;
uint32_t shift_i_immed_;
uint32_t reg_mask_;
uint32_t func2_mask_;
uint32_t func3_mask_;
uint32_t func6_mask_;
uint32_t func7_mask_;
uint32_t opcode_mask_;
uint32_t i_imm_mask_;
uint32_t s_imm_mask_;
uint32_t b_imm_mask_;
uint32_t u_imm_mask_;
uint32_t j_imm_mask_;
uint32_t v_imm_mask_;
//Vector
uint32_t shift_vset_;
uint32_t shift_vset_immed_;
uint32_t shift_vmask_;
uint32_t shift_vmop_;
uint32_t shift_vnf_;
uint32_t shift_func6_;
uint32_t vmask_s_;
uint32_t mop_s_;
};
}