144 lines
3.6 KiB
C++
144 lines
3.6 KiB
C++
#pragma once
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#include "types.h"
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namespace vortex {
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class Warp;
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enum Opcode {
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NOP = 0,
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R_INST = 0x33,
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L_INST = 0x3,
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I_INST = 0x13,
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S_INST = 0x23,
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B_INST = 0x63,
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LUI_INST = 0x37,
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AUIPC_INST= 0x17,
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JAL_INST = 0x6f,
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JALR_INST = 0x67,
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SYS_INST = 0x73,
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FENCE = 0x0f,
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// F Extension
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FL = 0x7,
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FS = 0x27,
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FCI = 0x53,
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FMADD = 0x43,
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FMSUB = 0x47,
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FMNMSUB = 0x4b,
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FMNMADD = 0x4f,
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// Vector Extension
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VSET = 0x57,
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VL = 0x7,
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VS = 0x27,
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// GPGPU Extension
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GPGPU = 0x6b,
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// simx64
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// RV64I Extension
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R_INST_64 = 0x3b,
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I_INST_64 = 0x1b,
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};
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enum InstType {
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N_TYPE,
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R_TYPE,
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I_TYPE,
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S_TYPE,
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B_TYPE,
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U_TYPE,
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J_TYPE,
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V_TYPE,
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R4_TYPE
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};
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class Instr {
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public:
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Instr()
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: opcode_(Opcode::NOP)
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, num_rsrcs_(0)
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, has_imm_(false)
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, rdest_(0)
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, func3_(0)
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, func7_(0) {
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for (int i = 0; i < MAX_REG_SOURCES; ++i) {
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rsrc_type_[i] = 0;
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}
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}
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/* Setters used to "craft" the instruction. */
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void setOpcode(Opcode opcode) { opcode_ = opcode; }
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void setDestReg(int destReg) { rdest_type_ = 1; rdest_ = destReg; }
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void setSrcReg(int srcReg) { rsrc_type_[num_rsrcs_] = 1; rsrc_[num_rsrcs_++] = srcReg; }
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void setDestFReg(int destReg) { rdest_type_ = 2; rdest_ = destReg; }
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void setSrcFReg(int srcReg) { rsrc_type_[num_rsrcs_] = 2; rsrc_[num_rsrcs_++] = srcReg; }
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void setDestVReg(int destReg) { rdest_type_ = 3; rdest_ = destReg; }
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void setSrcVReg(int srcReg) { rsrc_type_[num_rsrcs_] = 3; rsrc_[num_rsrcs_++] = srcReg; }
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void setFunc3(HalfWord func3) { func3_ = func3; }
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void setFunc7(HalfWord func7) { func7_ = func7; }
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void setImm(Word imm) { has_imm_ = true; imm_ = imm; }
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void setVlsWidth(HalfWord width) { vlsWidth_ = width; }
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void setVmop(HalfWord mop) { vMop_ = mop; }
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void setVnf(HalfWord nf) { vNf_ = nf; }
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void setVmask(HalfWord mask) { vmask_ = mask; }
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void setVs3(HalfWord vs) { vs3_ = vs; }
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void setVlmul(HalfWord lmul) { vlmul_ = 1 << lmul; }
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void setVsew(HalfWord sew) { vsew_ = 1 << (3+sew); }
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void setVediv(HalfWord ediv) { vediv_ = 1 << ediv; }
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void setFunc6(HalfWord func6) { func6_ = func6; }
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/* Getters used by encoders. */
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Opcode getOpcode() const { return opcode_; }
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HalfWord getFunc3() const { return func3_; }
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HalfWord getFunc6() const { return func6_; }
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HalfWord getFunc7() const { return func7_; }
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int getNRSrc() const { return num_rsrcs_; }
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int getRSrc(int i) const { return rsrc_[i]; }
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int getRSType(int i) const { return rsrc_type_[i]; }
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int getRDest() const { return rdest_; }
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int getRDType() const { return rdest_type_; }
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bool hasImm() const { return has_imm_; }
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Word getImm() const { return imm_; }
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HalfWord getVlsWidth() const { return vlsWidth_; }
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HalfWord getVmop() const { return vMop_; }
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HalfWord getvNf() const { return vNf_; }
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HalfWord getVmask() const { return vmask_; }
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HalfWord getVs3() const { return vs3_; }
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HalfWord getVlmul() const { return vlmul_; }
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HalfWord getVsew() const { return vsew_; }
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HalfWord getVediv() const { return vediv_; }
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private:
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enum {
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MAX_REG_SOURCES = 3
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};
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Opcode opcode_;
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int num_rsrcs_;
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bool has_imm_;
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int rdest_type_;
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int isrc_mask_;
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int fsrc_mask_;
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int vsrc_mask_;
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Word imm_;
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int rsrc_type_[MAX_REG_SOURCES];
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int rsrc_[MAX_REG_SOURCES];
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int rdest_;
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HalfWord func3_;
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HalfWord func7_;
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//Vector
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HalfWord vmask_;
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HalfWord vlsWidth_;
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HalfWord vMop_;
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HalfWord vNf_;
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HalfWord vs3_;
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HalfWord vlmul_;
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HalfWord vsew_;
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HalfWord vediv_;
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HalfWord func6_;
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friend std::ostream &operator<<(std::ostream &, const Instr&);
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};
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} |