1package xiangshan.backend.issue 2 3import org.chipsalliance.cde.config.Parameters 4import chisel3._ 5import chisel3.util._ 6import utils.{MathUtils, OptionWrapper} 7import utility.HasCircularQueuePtrHelper 8import xiangshan._ 9import xiangshan.backend.Bundles._ 10import xiangshan.backend.datapath.DataSource 11import xiangshan.backend.fu.FuType 12import xiangshan.backend.rob.RobPtr 13import xiangshan.mem.{MemWaitUpdateReq, SqPtr, LqPtr} 14 15object EntryBundles extends HasCircularQueuePtrHelper { 16 17 class Status(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 18 //basic status 19 val robIdx = new RobPtr 20 val fuType = IQFuType() 21 //src status 22 val srcStatus = Vec(params.numRegSrc, new SrcStatus) 23 //issue status 24 val blocked = Bool() 25 val issued = Bool() 26 val firstIssue = Bool() 27 val issueTimer = UInt(2.W) 28 val deqPortIdx = UInt(1.W) 29 //vector mem status 30 val vecMem = OptionWrapper(params.isVecMemIQ, new StatusVecMemPart) 31 32 def srcReady: Bool = { 33 VecInit(srcStatus.map(_.srcState).map(SrcState.isReady)).asUInt.andR 34 } 35 36 def canIssue: Bool = { 37 srcReady && !issued && !blocked 38 } 39 40 def mergedLoadDependency: Vec[UInt] = { 41 srcStatus.map(_.srcLoadDependency).reduce({ 42 case (l: Vec[UInt], r: Vec[UInt]) => VecInit(l.zip(r).map(x => x._1 | x._2)) 43 }: (Vec[UInt], Vec[UInt]) => Vec[UInt]) 44 } 45 } 46 47 class SrcStatus(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 48 val psrc = UInt(params.rdPregIdxWidth.W) 49 val srcType = SrcType() 50 val srcState = SrcState() 51 val dataSources = DataSource() 52 val srcLoadDependency = Vec(LoadPipelineWidth, UInt(3.W)) 53 val srcWakeUpL1ExuOH = OptionWrapper(params.hasIQWakeUp, ExuVec()) 54 } 55 56 class StatusVecMemPart(implicit p:Parameters, params: IssueBlockParams) extends Bundle { 57 val sqIdx = new SqPtr 58 val lqIdx = new LqPtr 59 } 60 61 class EntryDeqRespBundle(implicit p: Parameters, params: IssueBlockParams) extends Bundle { 62 val robIdx = new RobPtr 63 val resp = RespType() 64 val fuType = FuType() 65 val uopIdx = OptionWrapper(params.isVecMemIQ, Output(UopIdx())) 66 } 67 68 object RespType { 69 def apply() = UInt(2.W) 70 71 def isBlocked(resp: UInt) = { 72 resp === block 73 } 74 75 def succeed(resp: UInt) = { 76 resp === success 77 } 78 79 val block = "b00".U 80 val uncertain = "b01".U 81 val success = "b11".U 82 } 83 84 class EntryBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 85 val status = new Status() 86 val imm = OptionWrapper(params.needImm, UInt((params.deqImmTypesMaxLen).W)) 87 val payload = new DynInst() 88 } 89 90 class CommonInBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 91 val flush = Flipped(ValidIO(new Redirect)) 92 val enq = Flipped(ValidIO(new EntryBundle)) 93 //wakeup 94 val wakeUpFromWB: MixedVec[ValidIO[IssueQueueWBWakeUpBundle]] = Flipped(params.genWBWakeUpSinkValidBundle) 95 val wakeUpFromIQ: MixedVec[ValidIO[IssueQueueIQWakeUpBundle]] = Flipped(params.genIQWakeUpSinkValidBundle) 96 //cancel 97 val og0Cancel = Input(ExuOH(backendParams.numExu)) 98 val og1Cancel = Input(ExuOH(backendParams.numExu)) 99 val ldCancel = Vec(backendParams.LdExuCnt, Flipped(new LoadCancelIO)) 100 //deq sel 101 val deqSel = Input(Bool()) 102 val deqPortIdxWrite = Input(UInt(1.W)) 103 val issueResp = Flipped(ValidIO(new EntryDeqRespBundle)) 104 //trans sel 105 val transSel = Input(Bool()) 106 // vector mem only 107 val fromLsq = OptionWrapper(params.isVecMemIQ, new Bundle { 108 val sqDeqPtr = Input(new SqPtr) 109 val lqDeqPtr = Input(new LqPtr) 110 }) 111 } 112 113 class CommonOutBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 114 //status 115 val valid = Output(Bool()) 116 val canIssue = Output(Bool()) 117 val fuType = Output(FuType()) 118 val robIdx = Output(new RobPtr) 119 val uopIdx = OptionWrapper(params.isVecMemIQ, Output(UopIdx())) 120 //src 121 val dataSource = Vec(params.numRegSrc, Output(DataSource())) 122 val srcLoadDependency = Vec(params.numRegSrc, Output(Vec(LoadPipelineWidth, UInt(3.W)))) 123 val srcWakeUpL1ExuOH = OptionWrapper(params.hasIQWakeUp, Vec(params.numRegSrc, Output(ExuVec()))) 124 //deq 125 val isFirstIssue = Output(Bool()) 126 val entry = ValidIO(new EntryBundle) 127 val deqPortIdxRead = Output(UInt(1.W)) 128 val issueTimerRead = Output(UInt(2.W)) 129 //trans 130 val enqReady = Output(Bool()) 131 val transEntry = ValidIO(new EntryBundle) 132 // debug 133 val entryInValid = Output(Bool()) 134 val entryOutDeqValid = Output(Bool()) 135 val entryOutTransValid = Output(Bool()) 136 val perfLdCancel = OptionWrapper(params.hasIQWakeUp, Output(Vec(params.numRegSrc, Bool()))) 137 val perfOg0Cancel = OptionWrapper(params.hasIQWakeUp, Output(Vec(params.numRegSrc, Bool()))) 138 val perfWakeupByWB = Output(Vec(params.numRegSrc, Bool())) 139 val perfWakeupByIQ = OptionWrapper(params.hasIQWakeUp, Output(Vec(params.numRegSrc, Vec(params.numWakeupFromIQ, Bool())))) 140 } 141 142 class CommonWireBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 143 val validRegNext = Bool() 144 val flushed = Bool() 145 val clear = Bool() 146 val canIssue = Bool() 147 val enqReady = Bool() 148 val deqSuccess = Bool() 149 val srcWakeup = Vec(params.numRegSrc, Bool()) 150 val srcWakeupByWB = Vec(params.numRegSrc, Bool()) 151 val srcLoadDependencyOut = Vec(params.numRegSrc, Vec(LoadPipelineWidth, UInt(3.W))) 152 val srcCancelVec = Vec(params.numRegSrc, Bool()) 153 val srcLoadCancelVec = Vec(params.numRegSrc, Bool()) 154 } 155 156 def CommonWireConnect(common: CommonWireBundle, hasIQWakeup: Option[CommonIQWakeupBundle], validReg: Bool, status: Status, commonIn: CommonInBundle, isEnq: Boolean)(implicit p: Parameters, params: IssueBlockParams) = { 157 val hasIQWakeupGet = hasIQWakeup.getOrElse(0.U.asTypeOf(new CommonIQWakeupBundle)) 158 common.flushed := status.robIdx.needFlush(commonIn.flush) 159 common.deqSuccess := commonIn.issueResp.valid && RespType.succeed(commonIn.issueResp.bits.resp) && !common.srcLoadCancelVec.asUInt.orR 160 common.srcWakeup := common.srcWakeupByWB.zip(hasIQWakeupGet.srcWakeupByIQ).map { case (x, y) => x || y.asUInt.orR } 161 common.srcWakeupByWB := commonIn.wakeUpFromWB.map(bundle => bundle.bits.wakeUp(status.srcStatus.map(_.psrc) zip status.srcStatus.map(_.srcType), bundle.valid)).transpose.map(x => VecInit(x.toSeq).asUInt.orR).toSeq 162 common.canIssue := validReg && status.canIssue 163 common.enqReady := !validReg || common.clear 164 common.clear := common.flushed || common.deqSuccess || commonIn.transSel 165 common.srcCancelVec.zip(common.srcLoadCancelVec).zip(hasIQWakeupGet.srcWakeupByIQWithoutCancel).zipWithIndex.foreach { case (((srcCancel, srcLoadCancel), wakeUpByIQVec), srcIdx) => 166 val ldTransCancel = if(params.hasIQWakeUp) Mux1H(wakeUpByIQVec, hasIQWakeupGet.wakeupLoadDependencyByIQVec.map(dep => LoadShouldCancel(Some(dep), commonIn.ldCancel))) else false.B 167 srcLoadCancel := LoadShouldCancel(Some(status.srcStatus(srcIdx).srcLoadDependency), commonIn.ldCancel) 168 srcCancel := srcLoadCancel || ldTransCancel 169 } 170 common.srcLoadDependencyOut.zip(hasIQWakeupGet.srcWakeupByIQ).zip(status.srcStatus.map(_.srcLoadDependency)).foreach { 171 case ((loadDependencyOut, wakeUpByIQVec), loadDependency) => 172 if(params.hasIQWakeUp) { 173 loadDependencyOut := Mux(wakeUpByIQVec.asUInt.orR, Mux1H(wakeUpByIQVec, hasIQWakeupGet.shiftedWakeupLoadDependencyByIQBypassVec), loadDependency) 174 } else { 175 loadDependencyOut := loadDependency 176 } 177 178 } 179 if(isEnq) { 180 common.validRegNext := Mux(commonIn.enq.valid && common.enqReady, true.B, Mux(common.clear, false.B, validReg)) 181 } else { 182 common.validRegNext := Mux(commonIn.enq.valid, true.B, Mux(common.clear, false.B, validReg)) 183 } 184 } 185 186 class CommonIQWakeupBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 187 val srcWakeupByIQ = Vec(params.numRegSrc, Vec(params.numWakeupFromIQ, Bool())) 188 val srcWakeupByIQWithoutCancel = Vec(params.numRegSrc, Vec(params.numWakeupFromIQ, Bool())) 189 val srcWakeupByIQButCancel = Vec(params.numRegSrc, Vec(params.numWakeupFromIQ, Bool())) 190 val regSrcWakeupL1ExuOH = Vec(params.numRegSrc, ExuVec()) 191 val srcWakeupL1ExuOHOut = Vec(params.numRegSrc, ExuVec()) 192 val wakeupLoadDependencyByIQVec = Vec(params.numWakeupFromIQ, Vec(LoadPipelineWidth, UInt(3.W))) 193 val shiftedWakeupLoadDependencyByIQVec = Vec(params.numWakeupFromIQ, Vec(LoadPipelineWidth, UInt(3.W))) 194 val shiftedWakeupLoadDependencyByIQBypassVec = Vec(params.numWakeupFromIQ, Vec(LoadPipelineWidth, UInt(3.W))) 195 val cancelVec = Vec(params.numRegSrc, Bool()) 196 val canIssueBypass = Bool() 197 } 198 199 def CommonIQWakeupConnect(common: CommonWireBundle, hasIQWakeupGet: CommonIQWakeupBundle, validReg: Bool, status: Status, commonIn: CommonInBundle, isEnq: Boolean)(implicit p: Parameters, params: IssueBlockParams) = { 200 val wakeupVec: Seq[Seq[Bool]] = commonIn.wakeUpFromIQ.map((bundle: ValidIO[IssueQueueIQWakeUpBundle]) => 201 bundle.bits.wakeUpFromIQ(status.srcStatus.map(_.psrc) zip status.srcStatus.map(_.srcType)) 202 ).toSeq.transpose 203 val cancelSel = params.wakeUpSourceExuIdx.zip(commonIn.wakeUpFromIQ).map { case (x, y) => commonIn.og0Cancel(x) && y.bits.is0Lat } 204 205 hasIQWakeupGet.cancelVec := common.srcCancelVec 206 hasIQWakeupGet.srcWakeupByIQ := wakeupVec.map(x => VecInit(x.zip(cancelSel).map { case (wakeup, cancel) => wakeup && !cancel })) 207 hasIQWakeupGet.srcWakeupByIQButCancel := wakeupVec.map(x => VecInit(x.zip(cancelSel).map { case (wakeup, cancel) => wakeup && cancel })) 208 hasIQWakeupGet.srcWakeupByIQWithoutCancel := wakeupVec.map(x => VecInit(x)) 209 hasIQWakeupGet.wakeupLoadDependencyByIQVec := commonIn.wakeUpFromIQ.map(_.bits.loadDependency).toSeq 210 hasIQWakeupGet.regSrcWakeupL1ExuOH.zip(status.srcStatus.map(_.srcWakeUpL1ExuOH.get)).foreach { 211 case (exuOH, regExuOH) => 212 exuOH := 0.U.asTypeOf(exuOH) 213 params.wakeUpSourceExuIdx.foreach(x => exuOH(x) := regExuOH(x)) 214 } 215 hasIQWakeupGet.srcWakeupL1ExuOHOut.zip(hasIQWakeupGet.srcWakeupByIQWithoutCancel).zip(common.srcWakeup).zipWithIndex.foreach { 216 case (((exuOH: Vec[Bool], wakeUpByIQOH: Vec[Bool]), wakeUp: Bool), srcIdx) => 217 if(isEnq) { 218 ExuOHGen(exuOH, wakeUpByIQOH, wakeUp, status.srcStatus(srcIdx).srcWakeUpL1ExuOH.get) 219 } else { 220 ExuOHGen(exuOH, wakeUpByIQOH, wakeUp, hasIQWakeupGet.regSrcWakeupL1ExuOH(srcIdx)) 221 } 222 } 223 hasIQWakeupGet.canIssueBypass := validReg && !status.issued && !status.blocked && 224 VecInit(status.srcStatus.map(_.srcState).zip(hasIQWakeupGet.srcWakeupByIQWithoutCancel).zipWithIndex.map { case ((state, wakeupVec), srcIdx) => 225 wakeupVec.asUInt.orR | state 226 }).asUInt.andR 227 } 228 229 230 def ShiftLoadDependency(hasIQWakeupGet: CommonIQWakeupBundle)(implicit p: Parameters, params: IssueBlockParams) = { 231 hasIQWakeupGet.shiftedWakeupLoadDependencyByIQVec 232 .zip(hasIQWakeupGet.wakeupLoadDependencyByIQVec) 233 .zip(params.wakeUpInExuSources.map(_.name)).foreach { 234 case ((deps, originalDeps), name) => deps.zip(originalDeps).zipWithIndex.foreach { 235 case ((dep, originalDep), deqPortIdx) => 236 if (params.backendParam.getLdExuIdx(params.backendParam.allExuParams.find(_.name == name).get) == deqPortIdx) 237 dep := 2.U 238 else 239 dep := originalDep << 1 240 } 241 } 242 hasIQWakeupGet.shiftedWakeupLoadDependencyByIQBypassVec 243 .zip(hasIQWakeupGet.wakeupLoadDependencyByIQVec) 244 .zip(params.wakeUpInExuSources.map(_.name)).foreach { 245 case ((deps, originalDeps), name) => deps.zip(originalDeps).zipWithIndex.foreach { 246 case ((dep, originalDep), deqPortIdx) => 247 if (params.backendParam.getLdExuIdx(params.backendParam.allExuParams.find(_.name == name).get) == deqPortIdx) 248 dep := 1.U 249 else 250 dep := originalDep 251 } 252 } 253 } 254 255 def EntryRegCommonConnect(common: CommonWireBundle, hasIQWakeup: Option[CommonIQWakeupBundle], validReg: Bool, entryUpdate: EntryBundle, entryReg: EntryBundle, status: Status, commonIn: CommonInBundle, isEnq: Boolean)(implicit p: Parameters, params: IssueBlockParams) = { 256 val hasIQWakeupGet = hasIQWakeup.getOrElse(0.U.asTypeOf(new CommonIQWakeupBundle)) 257 val cancelByLd = common.srcCancelVec.asUInt.orR 258 val cancelWhenWakeup = VecInit(hasIQWakeupGet.srcWakeupByIQButCancel.map(_.asUInt.orR)).asUInt.orR 259 val respIssueFail = commonIn.issueResp.valid && RespType.isBlocked(commonIn.issueResp.bits.resp) 260 val srcWakeupExuOH = if(isEnq) status.srcStatus.map(_.srcWakeUpL1ExuOH.getOrElse(0.U.asTypeOf(ExuVec()))) else hasIQWakeupGet.regSrcWakeupL1ExuOH 261 entryUpdate.status.robIdx := status.robIdx 262 entryUpdate.status.fuType := IQFuType.readFuType(status.fuType, params.getFuCfgs.map(_.fuType)) 263 entryUpdate.status.srcStatus.zip(status.srcStatus).zipWithIndex.foreach { case ((srcStatusNext, srcStatus), srcIdx) => 264 val cancel = common.srcCancelVec(srcIdx) 265 val wakeupByIQ = hasIQWakeupGet.srcWakeupByIQ(srcIdx).asUInt.orR 266 val wakeupByIQOH = hasIQWakeupGet.srcWakeupByIQ(srcIdx) 267 val wakeup = common.srcWakeup(srcIdx) 268 srcStatusNext.psrc := srcStatus.psrc 269 srcStatusNext.srcType := srcStatus.srcType 270 srcStatusNext.srcState := Mux(cancel, false.B, wakeup | srcStatus.srcState) 271 srcStatusNext.dataSources.value := (if (params.inVfSchd && params.readVfRf && params.hasIQWakeUp) { 272 val isWakeupByMemIQ = wakeupByIQOH.zip(commonIn.wakeUpFromIQ).filter(_._2.bits.params.isMemExeUnit).map(_._1).fold(false.B)(_ || _) 273 Mux(wakeupByIQ, 274 if (params.hasWakeupFromMem) Mux(isWakeupByMemIQ, DataSource.bypass2, DataSource.bypass) else DataSource.bypass, 275 Mux(srcStatus.dataSources.readBypass, 276 DataSource.bypass2, 277 Mux(srcStatus.dataSources.readBypass2, DataSource.reg, srcStatus.dataSources.value))) 278 } 279 else if (params.inMemSchd && params.readVfRf && params.hasIQWakeUp) { 280 Mux(wakeupByIQ, 281 DataSource.bypass, 282 Mux(srcStatus.dataSources.readBypass, 283 DataSource.bypass2, 284 Mux(srcStatus.dataSources.readBypass2, DataSource.reg, srcStatus.dataSources.value))) 285 } 286 else Mux(wakeupByIQ, DataSource.bypass, Mux(srcStatus.dataSources.readBypass, DataSource.reg, srcStatus.dataSources.value))) 287 if(params.hasIQWakeUp) { 288 ExuOHGen(srcStatusNext.srcWakeUpL1ExuOH.get, wakeupByIQOH, wakeup, srcWakeupExuOH(srcIdx)) 289 srcStatusNext.srcLoadDependency := 290 Mux(wakeup, 291 Mux1H(wakeupByIQOH, hasIQWakeupGet.shiftedWakeupLoadDependencyByIQVec), 292 Mux(validReg && srcStatus.srcLoadDependency.asUInt.orR, VecInit(srcStatus.srcLoadDependency.map(i => i(i.getWidth - 2, 0) << 1)), srcStatus.srcLoadDependency)) 293 } else { 294 srcStatusNext.srcLoadDependency := Mux(validReg && srcStatus.srcLoadDependency.asUInt.orR, VecInit(srcStatus.srcLoadDependency.map(i => i(i.getWidth - 2, 0) << 1)), srcStatus.srcLoadDependency) 295 } 296 } 297 entryUpdate.status.blocked := false.B 298 entryUpdate.status.issued := MuxCase(status.issued, Seq( 299 (cancelByLd || cancelWhenWakeup || respIssueFail) -> false.B, 300 commonIn.deqSel -> true.B, 301 !status.srcReady -> false.B, 302 )) 303 entryUpdate.status.firstIssue := commonIn.deqSel || status.firstIssue 304 entryUpdate.status.issueTimer := Mux(commonIn.deqSel, 0.U, Mux(status.issued, status.issueTimer + 1.U, "b11".U)) 305 entryUpdate.status.deqPortIdx := Mux(commonIn.deqSel, commonIn.deqPortIdxWrite, Mux(status.issued, status.deqPortIdx, 0.U)) 306 entryUpdate.imm.foreach(_ := entryReg.imm.get) 307 entryUpdate.payload := entryReg.payload 308 if (params.isVecMemIQ) { 309 entryUpdate.status.vecMem.get := entryReg.status.vecMem.get 310 } 311 } 312 313 def CommonOutConnect(commonOut: CommonOutBundle, common: CommonWireBundle, hasIQWakeup: Option[CommonIQWakeupBundle], validReg: Bool, entryUpdate: EntryBundle, entryReg: EntryBundle, status: Status, commonIn: CommonInBundle, isEnq: Boolean, isComp: Boolean)(implicit p: Parameters, params: IssueBlockParams) = { 314 val hasIQWakeupGet = hasIQWakeup.getOrElse(0.U.asTypeOf(new CommonIQWakeupBundle)) 315 val srcWakeupExuOH = if(isEnq) status.srcStatus.map(_.srcWakeUpL1ExuOH.getOrElse(0.U.asTypeOf(ExuVec()))) else hasIQWakeupGet.regSrcWakeupL1ExuOH 316 commonOut.valid := validReg 317 commonOut.canIssue := (if (isComp) (common.canIssue || hasIQWakeupGet.canIssueBypass) && !common.flushed 318 else common.canIssue && !common.flushed) 319 commonOut.fuType := IQFuType.readFuType(status.fuType, params.getFuCfgs.map(_.fuType)).asUInt 320 commonOut.robIdx := status.robIdx 321 commonOut.dataSource.zipWithIndex.foreach{ case (dataSourceOut, srcIdx) => 322 val wakeupByIQWithoutCancel = hasIQWakeupGet.srcWakeupByIQWithoutCancel(srcIdx).asUInt.orR 323 val wakeupByIQWithoutCancelOH = hasIQWakeupGet.srcWakeupByIQWithoutCancel(srcIdx) 324 val isWakeupByMemIQ = wakeupByIQWithoutCancelOH.zip(commonIn.wakeUpFromIQ).filter(_._2.bits.params.isMemExeUnit).map(_._1).fold(false.B)(_ || _) 325 dataSourceOut.value := Mux(wakeupByIQWithoutCancel, 326 if (params.inVfSchd && params.readVfRf && params.hasWakeupFromMem) Mux(isWakeupByMemIQ, DataSource.bypass, DataSource.forward) else DataSource.forward, 327 status.srcStatus(srcIdx).dataSources.value) 328 } 329 commonOut.isFirstIssue := !status.firstIssue 330 commonOut.entry.valid := validReg 331 commonOut.entry.bits := entryReg 332 if(isEnq) { 333 commonOut.entry.bits.status := status 334 } 335 commonOut.issueTimerRead := status.issueTimer 336 commonOut.deqPortIdxRead := status.deqPortIdx 337 if(params.hasIQWakeUp) { 338 val wakeupSrcLoadDependency = hasIQWakeupGet.srcWakeupByIQWithoutCancel.map(x => Mux1H(x, hasIQWakeupGet.wakeupLoadDependencyByIQVec)) 339 commonOut.srcWakeUpL1ExuOH.get := (if (isComp) Mux(hasIQWakeupGet.canIssueBypass && !common.canIssue, hasIQWakeupGet.srcWakeupL1ExuOHOut, VecInit(srcWakeupExuOH)) 340 else VecInit(srcWakeupExuOH)) 341 commonOut.srcLoadDependency.zipWithIndex.foreach { case (srcLoadDependencyOut, srcIdx) => 342 srcLoadDependencyOut := (if (isComp) Mux(hasIQWakeupGet.canIssueBypass && !common.canIssue, 343 VecInit(status.srcStatus(srcIdx).srcLoadDependency.zip(wakeupSrcLoadDependency(srcIdx)).map(x => x._1 | x._2)), 344 status.srcStatus(srcIdx).srcLoadDependency) 345 else status.srcStatus(srcIdx).srcLoadDependency) 346 } 347 } else { 348 commonOut.srcLoadDependency.zipWithIndex.foreach { case (srcLoadDependencyOut, srcIdx) => 349 srcLoadDependencyOut := status.srcStatus(srcIdx).srcLoadDependency 350 } 351 } 352 commonOut.entry.bits.status.srcStatus.map(_.srcLoadDependency).zipWithIndex.foreach { case (srcLoadDependencyOut, srcIdx) => 353 srcLoadDependencyOut := (if (isComp) Mux(hasIQWakeupGet.canIssueBypass && !common.canIssue, 354 common.srcLoadDependencyOut(srcIdx), 355 status.srcStatus(srcIdx).srcLoadDependency) 356 else status.srcStatus(srcIdx).srcLoadDependency) 357 } 358 commonOut.enqReady := common.enqReady 359 commonOut.transEntry.valid := validReg && !common.flushed && !common.deqSuccess 360 commonOut.transEntry.bits := entryUpdate 361 // debug 362 commonOut.entryInValid := commonIn.enq.valid 363 commonOut.entryOutDeqValid := validReg && (common.flushed || common.deqSuccess) 364 commonOut.entryOutTransValid := validReg && commonIn.transSel && !(common.flushed || common.deqSuccess) 365 commonOut.perfWakeupByWB := common.srcWakeupByWB.zip(status.srcStatus).map{ case (w, s) => w && SrcState.isBusy(s.srcState) && validReg } 366 if (params.hasIQWakeUp) { 367 commonOut.perfLdCancel.get := hasIQWakeupGet.cancelVec.map(_ && validReg) 368 commonOut.perfOg0Cancel.get := hasIQWakeupGet.srcWakeupByIQButCancel.map(_.asUInt.orR && validReg) 369 commonOut.perfWakeupByIQ.get := hasIQWakeupGet.srcWakeupByIQ.map(x => VecInit(x.map(_ && validReg))) 370 } 371 // vecMem 372 if (params.isVecMemIQ) { 373 commonOut.uopIdx.get := entryReg.payload.uopIdx 374 } 375 } 376 377 def EntryVecMemConnect(commonIn: CommonInBundle, common: CommonWireBundle, validReg: Bool, entryReg: EntryBundle, entryRegNext: EntryBundle, entryUpdate: EntryBundle)(implicit p: Parameters, params: IssueBlockParams) = { 378 val fromLsq = commonIn.fromLsq.get 379 val vecMemStatus = entryReg.status.vecMem.get 380 val vecMemStatusUpdate = entryUpdate.status.vecMem.get 381 vecMemStatusUpdate := vecMemStatus 382 383 val isLsqHead = { 384 entryReg.status.vecMem.get.lqIdx <= fromLsq.lqDeqPtr && 385 entryReg.status.vecMem.get.sqIdx <= fromLsq.sqDeqPtr 386 } 387 388 // update blocked 389 entryUpdate.status.blocked := !isLsqHead 390 } 391 392 def ExuOHGen(exuOH: Vec[Bool], wakeupByIQOH: Vec[Bool], wakeup: Bool, regSrcExuOH: Vec[Bool])(implicit p: Parameters, params: IssueBlockParams) = { 393 val origExuOH = 0.U.asTypeOf(exuOH) 394 when(wakeupByIQOH.asUInt.orR) { 395 origExuOH := Mux1H(wakeupByIQOH, params.wakeUpSourceExuIdx.map(x => MathUtils.IntToOH(x).U(p(XSCoreParamsKey).backendParams.numExu.W)).toSeq).asBools 396 }.otherwise { 397 origExuOH := regSrcExuOH 398 } 399 exuOH := 0.U.asTypeOf(exuOH) 400 params.wakeUpSourceExuIdx.foreach(x => exuOH(x) := origExuOH(x)) 401 } 402 403 object IQFuType { 404 def num = FuType.num 405 406 def apply() = Vec(num, Bool()) 407 408 def readFuType(fuType: Vec[Bool], fus: Seq[FuType.OHType]): Vec[Bool] = { 409 val res = 0.U.asTypeOf(fuType) 410 fus.foreach(x => res(x.id) := fuType(x.id)) 411 res 412 } 413 } 414 415 class EnqDelayInBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 416 //wakeup 417 val wakeUpFromWB: MixedVec[ValidIO[IssueQueueWBWakeUpBundle]] = Flipped(params.genWBWakeUpSinkValidBundle) 418 val wakeUpFromIQ: MixedVec[ValidIO[IssueQueueIQWakeUpBundle]] = Flipped(params.genIQWakeUpSinkValidBundle) 419 //cancel 420 val og0Cancel = Input(ExuOH(backendParams.numExu)) 421 val ldCancel = Vec(backendParams.LdExuCnt, Flipped(new LoadCancelIO)) 422 } 423 424 class EnqDelayOutBundle(implicit p: Parameters, params: IssueBlockParams) extends XSBundle { 425 val srcWakeUpByWB: Vec[UInt] = Vec(params.numRegSrc, SrcState()) 426 val srcWakeUpByIQ: Vec[UInt] = Vec(params.numRegSrc, SrcState()) 427 val srcWakeUpByIQVec: Vec[Vec[Bool]] = Vec(params.numRegSrc, Vec(params.numWakeupFromIQ, Bool())) 428 val shiftedWakeupLoadDependencyByIQVec: Vec[Vec[UInt]] = Vec(params.numWakeupFromIQ, Vec(LoadPipelineWidth, UInt(3.W))) 429 } 430 431 def EnqDelayWakeupConnect(enqDelayIn: EnqDelayInBundle, enqDelayOut: EnqDelayOutBundle, status: Status, delay: Int)(implicit p: Parameters, params: IssueBlockParams) = { 432 enqDelayOut.srcWakeUpByWB.zipWithIndex.foreach { case (wakeup, i) => 433 wakeup := enqDelayIn.wakeUpFromWB.map(x => x.bits.wakeUp(Seq((status.srcStatus(i).psrc, status.srcStatus(i).srcType)), x.valid).head 434 ).reduce(_ || _) 435 } 436 437 if (params.hasIQWakeUp) { 438 val wakeupVec: IndexedSeq[IndexedSeq[Bool]] = enqDelayIn.wakeUpFromIQ.map( x => 439 x.bits.wakeUpFromIQ(status.srcStatus.map(_.psrc) zip status.srcStatus.map(_.srcType)) 440 ).toIndexedSeq.transpose 441 val cancelSel = params.wakeUpSourceExuIdx.zip(enqDelayIn.wakeUpFromIQ).map{ case (x, y) => enqDelayIn.og0Cancel(x) && y.bits.is0Lat} 442 enqDelayOut.srcWakeUpByIQVec := wakeupVec.map(x => VecInit(x.zip(cancelSel).map { case (wakeup, cancel) => wakeup && !cancel })) 443 } else { 444 enqDelayOut.srcWakeUpByIQVec := 0.U.asTypeOf(enqDelayOut.srcWakeUpByIQVec) 445 } 446 447 if (params.hasIQWakeUp) { 448 enqDelayOut.srcWakeUpByIQ.zipWithIndex.foreach { case (wakeup, i) => 449 val ldTransCancel = Mux1H(enqDelayOut.srcWakeUpByIQVec(i), enqDelayIn.wakeUpFromIQ.map(_.bits.loadDependency).map(dp => LoadShouldCancel(Some(dp), enqDelayIn.ldCancel)).toSeq) 450 wakeup := enqDelayOut.srcWakeUpByIQVec(i).asUInt.orR && !ldTransCancel 451 } 452 } else { 453 enqDelayOut.srcWakeUpByIQ := 0.U.asTypeOf(enqDelayOut.srcWakeUpByIQ) 454 } 455 456 enqDelayOut.shiftedWakeupLoadDependencyByIQVec.zip(enqDelayIn.wakeUpFromIQ.map(_.bits.loadDependency)) 457 .zip(params.wakeUpInExuSources.map(_.name)).foreach { case ((dps, ldps), name) => 458 dps.zip(ldps).zipWithIndex.foreach { case ((dp, ldp), deqPortIdx) => 459 if (params.backendParam.getLdExuIdx(params.backendParam.allExuParams.find(_.name == name).get) == deqPortIdx) 460 dp := 1.U << delay 461 else 462 dp := ldp << delay 463 } 464 } 465 } 466} 467