Files
vortex/sim/simx/instr.h
2022-02-05 06:37:54 -05:00

141 lines
3.7 KiB
C++

#pragma once
#include "types.h"
namespace vortex {
class Warp;
enum Opcode {
NOP = 0,
R_INST = 0x33,
L_INST = 0x3,
I_INST = 0x13,
S_INST = 0x23,
B_INST = 0x63,
LUI_INST = 0x37,
AUIPC_INST= 0x17,
JAL_INST = 0x6f,
JALR_INST = 0x67,
SYS_INST = 0x73,
FENCE = 0x0f,
// F Extension
FL = 0x7,
FS = 0x27,
FCI = 0x53,
FMADD = 0x43,
FMSUB = 0x47,
FMNMSUB = 0x4b,
FMNMADD = 0x4f,
// Vector Extension
VSET = 0x57,
// GPGPU Extension
GPGPU = 0x6b,
GPU = 0x5b,
// RV64 Standard Extensions
R_INST_W = 0x3b,
I_INST_W = 0x1b,
};
enum InstType {
N_TYPE,
R_TYPE,
I_TYPE,
S_TYPE,
B_TYPE,
U_TYPE,
J_TYPE,
V_TYPE,
R4_TYPE
};
class Instr {
public:
Instr()
: opcode_(Opcode::NOP)
, num_rsrcs_(0)
, has_imm_(false)
, rdest_type_(RegType::None)
, rdest_(0)
, func2_(0)
, func3_(0)
, func6_(0)
, func7_(0) {
for (uint32_t i = 0; i < MAX_REG_SOURCES; ++i) {
rsrc_type_[i] = RegType::None;
}
}
void setOpcode(Opcode opcode) { opcode_ = opcode; }
void setDestReg(uint32_t destReg, RegType type) { rdest_type_ = type; rdest_ = destReg; }
void setSrcReg(uint32_t srcReg, RegType type) { rsrc_type_[num_rsrcs_] = type; rsrc_[num_rsrcs_++] = srcReg; }
void setDestVReg(uint32_t destReg) { rdest_type_ = RegType::Vector; rdest_ = destReg; }
void setSrcVReg(uint32_t srcReg) { rsrc_type_[num_rsrcs_] = RegType::Vector; rsrc_[num_rsrcs_++] = srcReg; }
void setFunc2(uint32_t func2) { func2_ = func2; }
void setFunc3(uint32_t func3) { func3_ = func3; }
void setFunc7(uint32_t func7) { func7_ = func7; }
void setImm(uint32_t imm) { has_imm_ = true; imm_ = imm; }
void setVlsWidth(uint32_t width) { vlsWidth_ = width; }
void setVmop(uint32_t mop) { vMop_ = mop; }
void setVnf(uint32_t nf) { vNf_ = nf; }
void setVmask(uint32_t mask) { vmask_ = mask; }
void setVs3(uint32_t vs) { vs3_ = vs; }
void setVlmul(uint32_t lmul) { vlmul_ = 1 << lmul; }
void setVsew(uint32_t sew) { vsew_ = 1 << (3+sew); }
void setVediv(uint32_t ediv) { vediv_ = 1 << ediv; }
void setFunc6(uint32_t func6) { func6_ = func6; }
Opcode getOpcode() const { return opcode_; }
uint32_t getFunc2() const { return func2_; }
uint32_t getFunc3() const { return func3_; }
uint32_t getFunc6() const { return func6_; }
uint32_t getFunc7() const { return func7_; }
uint32_t getNRSrc() const { return num_rsrcs_; }
uint32_t getRSrc(uint32_t i) const { return rsrc_[i]; }
RegType getRSType(uint32_t i) const { return rsrc_type_[i]; }
uint32_t getRDest() const { return rdest_; }
RegType getRDType() const { return rdest_type_; }
bool hasImm() const { return has_imm_; }
uint32_t getImm() const { return imm_; }
uint32_t getVlsWidth() const { return vlsWidth_; }
uint32_t getVmop() const { return vMop_; }
uint32_t getvNf() const { return vNf_; }
uint32_t getVmask() const { return vmask_; }
uint32_t getVs3() const { return vs3_; }
uint32_t getVlmul() const { return vlmul_; }
uint32_t getVsew() const { return vsew_; }
uint32_t getVediv() const { return vediv_; }
private:
enum {
MAX_REG_SOURCES = 3
};
Opcode opcode_;
uint32_t num_rsrcs_;
bool has_imm_;
RegType rdest_type_;
uint32_t imm_;
RegType rsrc_type_[MAX_REG_SOURCES];
uint32_t rsrc_[MAX_REG_SOURCES];
uint32_t rdest_;
uint32_t func2_;
uint32_t func3_;
uint32_t func6_;
uint32_t func7_;
// Vector
uint32_t vmask_;
uint32_t vlsWidth_;
uint32_t vMop_;
uint32_t vNf_;
uint32_t vs3_;
uint32_t vlmul_;
uint32_t vsew_;
uint32_t vediv_;
friend std::ostream &operator<<(std::ostream &, const Instr&);
};
}