157 lines
3.9 KiB
C++
157 lines
3.9 KiB
C++
#pragma once
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#include "types.h"
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#include "trace.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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PJ_INST = 0x7b,
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GPGPU = 0x6b,
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VSET_ARITH= 0x57,
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VL = 0x7,
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VS = 0x27,
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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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};
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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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, nRsrc_(0)
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, hasImmSrc_(false)
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, hasRDest_(false)
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, is_iDest_(false)
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, is_FpDest_(false)
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, is_VDest_(false)
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, is_FpSrc_(0)
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, is_VSrc_(0)
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, func2_(0)
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, func3_(0)
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, func7_(0)
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{}
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friend std::ostream &operator<<(std::ostream &, Instr &);
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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) { hasRDest_ = true; is_iDest_ = true; rdest_ = destReg; }
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void setSrcReg(int srcReg) { rsrc_[nRsrc_++] = srcReg; }
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void setDestFReg(int destReg) { hasRDest_ = true; is_FpDest_ = true; rdest_ = destReg; }
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void setSrcFReg(int srcReg) { is_FpSrc_ |= (1 << nRsrc_); rsrc_[nRsrc_++] = srcReg; }
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void setDestVReg(int destReg) { hasRDest_ = true; is_VDest_ = true; rdest_ = destReg; }
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void setSrcVReg(int srcReg) { is_VSrc_ |= (1 << nRsrc_); rsrc_[nRsrc_++] = srcReg; }
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void setFunc3(Word func3) { func3_ = func3; }
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void setFunc7(Word func7) { func7_ = func7; }
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void setSrcImm(Word srcImm) { hasImmSrc_ = true; immsrc_ = srcImm; }
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void setVsetImm(Word vset_imm) { if (vset_imm) vsetImm_ = true; else vsetImm_ = false; }
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void setVlsWidth(Word width) { vlsWidth_ = width; }
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void setVmop(Word mop) { vMop_ = mop; }
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void setVnf(Word nf) { vNf_ = nf; }
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void setVmask(Word mask) { vmask_ = mask; }
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void setVs3(Word vs) { vs3_ = vs; }
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void setVlmul(Word lmul) { vlmul_ = 1 << lmul; }
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void setVsew(Word sew) { vsew_ = 1 << (3+sew); }
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void setVediv(Word ediv) { vediv_ = 1 << ediv; }
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void setFunc6(Word func6) { func6_ = func6; }
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/* Getters used by encoders. */
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Opcode getOpcode() const { return opcode_; }
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Word getFunc3() const { return func3_; }
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Word getFunc6() const { return func6_; }
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Word getFunc7() const { return func7_; }
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int getNRSrc() const { return nRsrc_; }
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int getRSrc(int i) const { return rsrc_[i]; }
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bool hasRDest() const { return hasRDest_; }
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int getRDest() const { return rdest_; }
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bool hasImm() const { return hasImmSrc_; }
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Word getImm() const { return immsrc_; }
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bool getVsetImm() const { return vsetImm_; }
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Word getVlsWidth() const { return vlsWidth_; }
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Word getVmop() const { return vMop_; }
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Word getvNf() const { return vNf_; }
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bool getVmask() const { return vmask_; }
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Word getVs3() const { return vs3_; }
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Word getVlmul() const { return vlmul_; }
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Word getVsew() const { return vsew_; }
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Word getVediv() const { return vediv_; }
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bool is_iDest() const { return is_iDest_; }
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bool is_FpDest() const { return is_FpDest_; }
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bool is_FpSrc(int i) const { return (is_FpSrc_ >> i) & 0x1; }
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bool is_VDest() const { return is_VDest_; }
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bool is_VSrc(int i) const { return (is_VSrc_ >> i) & 0x1; }
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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 nRsrc_;
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bool hasImmSrc_;
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bool hasRDest_;
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bool is_iDest_;
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bool is_FpDest_;
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bool is_VDest_;
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int is_FpSrc_;
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int is_VSrc_;
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Word immsrc_;
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Word func2_;
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Word func3_;
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Word func7_;
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int rsrc_[MAX_REG_SOURCES];
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int rdest_;
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//Vector
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bool vsetImm_;
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bool vmask_;
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Word vlsWidth_;
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Word vMop_;
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Word vNf_;
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Word vs3_;
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Word vlmul_;
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Word vsew_;
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Word vediv_;
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Word func6_;
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};
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std::ostream &operator<<(std::ostream &, Instr &);
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} |