1/*************************************************************************************** 2* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences 3* Copyright (c) 2020-2021 Peng Cheng Laboratory 4* 5* XiangShan is licensed under Mulan PSL v2. 6* You can use this software according to the terms and conditions of the Mulan PSL v2. 7* You may obtain a copy of Mulan PSL v2 at: 8* http://license.coscl.org.cn/MulanPSL2 9* 10* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 11* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 12* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 13* 14* See the Mulan PSL v2 for more details. 15***************************************************************************************/ 16 17package xiangshan 18 19import org.chipsalliance.cde.config.{Field, Parameters} 20import chisel3._ 21import chisel3.util._ 22import xiangshan.backend.exu._ 23import xiangshan.backend.dispatch.DispatchParameters 24import xiangshan.cache.DCacheParameters 25import xiangshan.cache.prefetch._ 26import xiangshan.frontend.{BasePredictor, BranchPredictionResp, FTB, FakePredictor, RAS, Tage, ITTage, Tage_SC, FauFTB} 27import xiangshan.frontend.icache.ICacheParameters 28import xiangshan.cache.mmu.{L2TLBParameters, TLBParameters} 29import freechips.rocketchip.diplomacy.AddressSet 30import system.SoCParamsKey 31import huancun._ 32import huancun.debug._ 33import xiangshan.cache.wpu.WPUParameters 34import coupledL2._ 35import xiangshan.mem.prefetch.{PrefetcherParams, SMSParams} 36 37import scala.math.min 38 39case object XSTileKey extends Field[Seq[XSCoreParameters]] 40 41case object XSCoreParamsKey extends Field[XSCoreParameters] 42 43case class XSCoreParameters 44( 45 HasPrefetch: Boolean = false, 46 HartId: Int = 0, 47 XLEN: Int = 64, 48 VLEN: Int = 128, 49 HasMExtension: Boolean = true, 50 HasCExtension: Boolean = true, 51 HasDiv: Boolean = true, 52 HasICache: Boolean = true, 53 HasDCache: Boolean = true, 54 AddrBits: Int = 64, 55 VAddrBits: Int = 39, 56 HasFPU: Boolean = true, 57 HasCustomCSRCacheOp: Boolean = true, 58 FetchWidth: Int = 8, 59 AsidLength: Int = 16, 60 EnableBPU: Boolean = true, 61 EnableBPD: Boolean = true, 62 EnableRAS: Boolean = true, 63 EnableLB: Boolean = false, 64 EnableLoop: Boolean = true, 65 EnableSC: Boolean = true, 66 EnbaleTlbDebug: Boolean = false, 67 EnableJal: Boolean = false, 68 EnableFauFTB: Boolean = true, 69 UbtbGHRLength: Int = 4, 70 // HistoryLength: Int = 512, 71 EnableGHistDiff: Boolean = true, 72 EnableCommitGHistDiff: Boolean = true, 73 UbtbSize: Int = 256, 74 FtbSize: Int = 2048, 75 RasSize: Int = 32, 76 RasSpecSize: Int = 64, 77 RasCtrSize: Int = 8, 78 CacheLineSize: Int = 512, 79 FtbWays: Int = 4, 80 TageTableInfos: Seq[Tuple3[Int,Int,Int]] = 81 // Sets Hist Tag 82 // Seq(( 2048, 2, 8), 83 // ( 2048, 9, 8), 84 // ( 2048, 13, 8), 85 // ( 2048, 20, 8), 86 // ( 2048, 26, 8), 87 // ( 2048, 44, 8), 88 // ( 2048, 73, 8), 89 // ( 2048, 256, 8)), 90 Seq(( 4096, 8, 8), 91 ( 4096, 13, 8), 92 ( 4096, 32, 8), 93 ( 4096, 119, 8)), 94 ITTageTableInfos: Seq[Tuple3[Int,Int,Int]] = 95 // Sets Hist Tag 96 Seq(( 256, 4, 9), 97 ( 256, 8, 9), 98 ( 512, 13, 9), 99 ( 512, 16, 9), 100 ( 512, 32, 9)), 101 SCNRows: Int = 512, 102 SCNTables: Int = 4, 103 SCCtrBits: Int = 6, 104 SCHistLens: Seq[Int] = Seq(0, 4, 10, 16), 105 numBr: Int = 2, 106 branchPredictor: Function2[BranchPredictionResp, Parameters, Tuple2[Seq[BasePredictor], BranchPredictionResp]] = 107 ((resp_in: BranchPredictionResp, p: Parameters) => { 108 val ftb = Module(new FTB()(p)) 109 val ubtb =Module(new FauFTB()(p)) 110 // val bim = Module(new BIM()(p)) 111 val tage = Module(new Tage_SC()(p)) 112 val ras = Module(new RAS()(p)) 113 val ittage = Module(new ITTage()(p)) 114 val preds = Seq(ubtb, tage, ftb, ittage, ras) 115 preds.map(_.io := DontCare) 116 117 // ubtb.io.resp_in(0) := resp_in 118 // bim.io.resp_in(0) := ubtb.io.resp 119 // btb.io.resp_in(0) := bim.io.resp 120 // tage.io.resp_in(0) := btb.io.resp 121 // loop.io.resp_in(0) := tage.io.resp 122 ubtb.io.in.bits.resp_in(0) := resp_in 123 tage.io.in.bits.resp_in(0) := ubtb.io.out 124 ftb.io.in.bits.resp_in(0) := tage.io.out 125 ittage.io.in.bits.resp_in(0) := ftb.io.out 126 ras.io.in.bits.resp_in(0) := ittage.io.out 127 128 (preds, ras.io.out) 129 }), 130 IBufSize: Int = 48, 131 DecodeWidth: Int = 6, 132 RenameWidth: Int = 6, 133 CommitWidth: Int = 6, 134 EnableRenameSnapshot: Boolean = true, 135 RenameSnapshotNum: Int = 4, 136 FtqSize: Int = 64, 137 EnableLoadFastWakeUp: Boolean = true, // NOTE: not supported now, make it false 138 IssQueSize: Int = 16, 139 NRPhyRegs: Int = 192, 140 VirtualLoadQueueSize: Int = 80, 141 LoadQueueRARSize: Int = 80, 142 LoadQueueRAWSize: Int = 64, // NOTE: make sure that LoadQueueRAWSize is power of 2. 143 RollbackGroupSize: Int = 8, 144 LoadQueueReplaySize: Int = 72, 145 LoadUncacheBufferSize: Int = 20, 146 LoadQueueNWriteBanks: Int = 8, // NOTE: make sure that LoadQueueRARSize/LoadQueueRAWSize is divided by LoadQueueNWriteBanks 147 StoreQueueSize: Int = 64, 148 StoreQueueNWriteBanks: Int = 8, // NOTE: make sure that StoreQueueSize is divided by StoreQueueNWriteBanks 149 StoreQueueForwardWithMask: Boolean = true, 150 VlsQueueSize: Int = 8, 151 RobSize: Int = 256, 152 dpParams: DispatchParameters = DispatchParameters( 153 IntDqSize = 16, 154 FpDqSize = 16, 155 LsDqSize = 16, 156 IntDqDeqWidth = 4, 157 FpDqDeqWidth = 4, 158 LsDqDeqWidth = 4 159 ), 160 exuParameters: ExuParameters = ExuParameters( 161 JmpCnt = 1, 162 AluCnt = 4, 163 MulCnt = 0, 164 MduCnt = 2, 165 FmacCnt = 4, 166 FmiscCnt = 2, 167 FmiscDivSqrtCnt = 0, 168 LduCnt = 2, 169 StuCnt = 2 170 ), 171 prefetcher: Option[PrefetcherParams] = Some(SMSParams()), 172 LoadPipelineWidth: Int = 2, 173 StorePipelineWidth: Int = 2, 174 VecMemSrcInWidth: Int = 2, 175 VecMemInstWbWidth: Int = 1, 176 VecMemDispatchWidth: Int = 1, 177 StoreBufferSize: Int = 16, 178 StoreBufferThreshold: Int = 7, 179 EnsbufferWidth: Int = 2, 180 UncacheBufferSize: Int = 4, 181 EnableLoadToLoadForward: Boolean = true, 182 EnableFastForward: Boolean = true, 183 EnableLdVioCheckAfterReset: Boolean = true, 184 EnableSoftPrefetchAfterReset: Boolean = true, 185 EnableCacheErrorAfterReset: Boolean = true, 186 EnableAccurateLoadError: Boolean = true, 187 EnableUncacheWriteOutstanding: Boolean = false, 188 EnableStorePrefetchAtIssue: Boolean = false, 189 EnableStorePrefetchAtCommit: Boolean = false, 190 EnableAtCommitMissTrigger: Boolean = true, 191 EnableStorePrefetchSMS: Boolean = false, 192 EnableStorePrefetchSPB: Boolean = false, 193 MMUAsidLen: Int = 16, // max is 16, 0 is not supported now 194 ReSelectLen: Int = 7, // load replay queue replay select counter len 195 iwpuParameters: WPUParameters = WPUParameters( 196 enWPU = false, 197 algoName = "mmru", 198 isICache = true, 199 ), 200 dwpuParameters: WPUParameters = WPUParameters( 201 enWPU = false, 202 algoName = "mmru", 203 enCfPred = false, 204 isICache = false, 205 ), 206 itlbParameters: TLBParameters = TLBParameters( 207 name = "itlb", 208 fetchi = true, 209 useDmode = false, 210 NWays = 48, 211 ), 212 itlbPortNum: Int = 2 + ICacheParameters().prefetchPipeNum + 1, 213 ipmpPortNum: Int = 2 + ICacheParameters().prefetchPipeNum + 1, 214 ldtlbParameters: TLBParameters = TLBParameters( 215 name = "ldtlb", 216 NWays = 48, 217 outReplace = false, 218 partialStaticPMP = true, 219 outsideRecvFlush = true, 220 saveLevel = true 221 ), 222 sttlbParameters: TLBParameters = TLBParameters( 223 name = "sttlb", 224 NWays = 48, 225 outReplace = false, 226 partialStaticPMP = true, 227 outsideRecvFlush = true, 228 saveLevel = true 229 ), 230 pftlbParameters: TLBParameters = TLBParameters( 231 name = "pftlb", 232 NWays = 48, 233 outReplace = false, 234 partialStaticPMP = true, 235 outsideRecvFlush = true, 236 saveLevel = true 237 ), 238 refillBothTlb: Boolean = false, 239 btlbParameters: TLBParameters = TLBParameters( 240 name = "btlb", 241 NWays = 48, 242 ), 243 l2tlbParameters: L2TLBParameters = L2TLBParameters(), 244 NumPerfCounters: Int = 16, 245 icacheParameters: ICacheParameters = ICacheParameters( 246 tagECC = Some("parity"), 247 dataECC = Some("parity"), 248 replacer = Some("setplru"), 249 nMissEntries = 2, 250 nProbeEntries = 2, 251 nPrefetchEntries = 12, 252 nPrefBufferEntries = 32, 253 ), 254 dcacheParametersOpt: Option[DCacheParameters] = Some(DCacheParameters( 255 tagECC = Some("secded"), 256 dataECC = Some("secded"), 257 replacer = Some("setplru"), 258 nMissEntries = 16, 259 nProbeEntries = 8, 260 nReleaseEntries = 18, 261 nMaxPrefetchEntry = 6, 262 )), 263 L2CacheParamsOpt: Option[L2Param] = Some(L2Param( 264 name = "l2", 265 ways = 8, 266 sets = 1024, // default 512KB L2 267 prefetch = Some(coupledL2.prefetch.PrefetchReceiverParams()) 268 )), 269 L2NBanks: Int = 1, 270 usePTWRepeater: Boolean = false, 271 softTLB: Boolean = false, // dpi-c l1tlb debug only 272 softPTW: Boolean = false, // dpi-c l2tlb debug only 273 softPTWDelay: Int = 1 274){ 275 val allHistLens = SCHistLens ++ ITTageTableInfos.map(_._2) ++ TageTableInfos.map(_._2) :+ UbtbGHRLength 276 val HistoryLength = allHistLens.max + numBr * FtqSize + 9 // 256 for the predictor configs now 277 278 val loadExuConfigs = Seq.fill(exuParameters.LduCnt)(LdExeUnitCfg) 279 val storeExuConfigs = Seq.fill(exuParameters.StuCnt)(StaExeUnitCfg) ++ Seq.fill(exuParameters.StuCnt)(StdExeUnitCfg) 280 281 val intExuConfigs = (Seq.fill(exuParameters.AluCnt)(AluExeUnitCfg) ++ 282 Seq.fill(exuParameters.MduCnt)(MulDivExeUnitCfg) :+ JumpCSRExeUnitCfg) 283 284 val fpExuConfigs = 285 Seq.fill(exuParameters.FmacCnt)(FmacExeUnitCfg) ++ 286 Seq.fill(exuParameters.FmiscCnt)(FmiscExeUnitCfg) 287 288 val exuConfigs: Seq[ExuConfig] = intExuConfigs ++ fpExuConfigs ++ loadExuConfigs ++ storeExuConfigs 289} 290 291case object DebugOptionsKey extends Field[DebugOptions] 292 293case class DebugOptions 294( 295 FPGAPlatform: Boolean = false, 296 EnableDifftest: Boolean = false, 297 AlwaysBasicDiff: Boolean = true, 298 EnableDebug: Boolean = false, 299 EnablePerfDebug: Boolean = true, 300 UseDRAMSim: Boolean = false, 301 EnableConstantin: Boolean = false, 302 EnableChiselDB: Boolean = false, 303 AlwaysBasicDB: Boolean = true, 304 EnableRollingDB: Boolean = false 305) 306 307trait HasXSParameter { 308 309 implicit val p: Parameters 310 311 val PAddrBits = p(SoCParamsKey).PAddrBits // PAddrBits is Phyical Memory addr bits 312 313 val coreParams = p(XSCoreParamsKey) 314 val env = p(DebugOptionsKey) 315 316 val XLEN = coreParams.XLEN 317 val VLEN = coreParams.VLEN 318 val minFLen = 32 319 val fLen = 64 320 def xLen = XLEN 321 322 val HasMExtension = coreParams.HasMExtension 323 val HasCExtension = coreParams.HasCExtension 324 val HasDiv = coreParams.HasDiv 325 val HasIcache = coreParams.HasICache 326 val HasDcache = coreParams.HasDCache 327 val AddrBits = coreParams.AddrBits // AddrBits is used in some cases 328 val VAddrBits = coreParams.VAddrBits // VAddrBits is Virtual Memory addr bits 329 val AsidLength = coreParams.AsidLength 330 val ReSelectLen = coreParams.ReSelectLen 331 val AddrBytes = AddrBits / 8 // unused 332 val DataBits = XLEN 333 val DataBytes = DataBits / 8 334 val VDataBytes = VLEN / 8 335 val HasFPU = coreParams.HasFPU 336 val HasCustomCSRCacheOp = coreParams.HasCustomCSRCacheOp 337 val FetchWidth = coreParams.FetchWidth 338 val PredictWidth = FetchWidth * (if (HasCExtension) 2 else 1) 339 val EnableBPU = coreParams.EnableBPU 340 val EnableBPD = coreParams.EnableBPD // enable backing predictor(like Tage) in BPUStage3 341 val EnableRAS = coreParams.EnableRAS 342 val EnableLB = coreParams.EnableLB 343 val EnableLoop = coreParams.EnableLoop 344 val EnableSC = coreParams.EnableSC 345 val EnbaleTlbDebug = coreParams.EnbaleTlbDebug 346 val HistoryLength = coreParams.HistoryLength 347 val EnableGHistDiff = coreParams.EnableGHistDiff 348 val EnableCommitGHistDiff = coreParams.EnableCommitGHistDiff 349 val UbtbGHRLength = coreParams.UbtbGHRLength 350 val UbtbSize = coreParams.UbtbSize 351 val EnableFauFTB = coreParams.EnableFauFTB 352 val FtbSize = coreParams.FtbSize 353 val FtbWays = coreParams.FtbWays 354 val RasSize = coreParams.RasSize 355 val RasSpecSize = coreParams.RasSpecSize 356 val RasCtrSize = coreParams.RasCtrSize 357 358 def getBPDComponents(resp_in: BranchPredictionResp, p: Parameters) = { 359 coreParams.branchPredictor(resp_in, p) 360 } 361 val numBr = coreParams.numBr 362 val TageTableInfos = coreParams.TageTableInfos 363 val TageBanks = coreParams.numBr 364 val SCNRows = coreParams.SCNRows 365 val SCCtrBits = coreParams.SCCtrBits 366 val SCHistLens = coreParams.SCHistLens 367 val SCNTables = coreParams.SCNTables 368 369 val SCTableInfos = Seq.fill(SCNTables)((SCNRows, SCCtrBits)) zip SCHistLens map { 370 case ((n, cb), h) => (n, cb, h) 371 } 372 val ITTageTableInfos = coreParams.ITTageTableInfos 373 type FoldedHistoryInfo = Tuple2[Int, Int] 374 val foldedGHistInfos = 375 (TageTableInfos.map{ case (nRows, h, t) => 376 if (h > 0) 377 Set((h, min(log2Ceil(nRows/numBr), h)), (h, min(h, t)), (h, min(h, t-1))) 378 else 379 Set[FoldedHistoryInfo]() 380 }.reduce(_++_).toSet ++ 381 SCTableInfos.map{ case (nRows, _, h) => 382 if (h > 0) 383 Set((h, min(log2Ceil(nRows/TageBanks), h))) 384 else 385 Set[FoldedHistoryInfo]() 386 }.reduce(_++_).toSet ++ 387 ITTageTableInfos.map{ case (nRows, h, t) => 388 if (h > 0) 389 Set((h, min(log2Ceil(nRows), h)), (h, min(h, t)), (h, min(h, t-1))) 390 else 391 Set[FoldedHistoryInfo]() 392 }.reduce(_++_) ++ 393 Set[FoldedHistoryInfo]((UbtbGHRLength, log2Ceil(UbtbSize))) 394 ).toList 395 396 397 398 val CacheLineSize = coreParams.CacheLineSize 399 val CacheLineHalfWord = CacheLineSize / 16 400 val ExtHistoryLength = HistoryLength + 64 401 val IBufSize = coreParams.IBufSize 402 val DecodeWidth = coreParams.DecodeWidth 403 val RenameWidth = coreParams.RenameWidth 404 val CommitWidth = coreParams.CommitWidth 405 val EnableRenameSnapshot = coreParams.EnableRenameSnapshot 406 val RenameSnapshotNum = coreParams.RenameSnapshotNum 407 val FtqSize = coreParams.FtqSize 408 val IssQueSize = coreParams.IssQueSize 409 val EnableLoadFastWakeUp = coreParams.EnableLoadFastWakeUp 410 val NRPhyRegs = coreParams.NRPhyRegs 411 val PhyRegIdxWidth = log2Up(NRPhyRegs) 412 val RobSize = coreParams.RobSize 413 val IntRefCounterWidth = log2Ceil(RobSize) 414 val VirtualLoadQueueSize = coreParams.VirtualLoadQueueSize 415 val LoadQueueRARSize = coreParams.LoadQueueRARSize 416 val LoadQueueRAWSize = coreParams.LoadQueueRAWSize 417 val RollbackGroupSize = coreParams.RollbackGroupSize 418 val LoadQueueReplaySize = coreParams.LoadQueueReplaySize 419 val LoadUncacheBufferSize = coreParams.LoadUncacheBufferSize 420 val LoadQueueNWriteBanks = coreParams.LoadQueueNWriteBanks 421 val StoreQueueSize = coreParams.StoreQueueSize 422 val StoreQueueNWriteBanks = coreParams.StoreQueueNWriteBanks 423 val StoreQueueForwardWithMask = coreParams.StoreQueueForwardWithMask 424 val VlsQueueSize = coreParams.VlsQueueSize 425 val dpParams = coreParams.dpParams 426 val exuParameters = coreParams.exuParameters 427 val NRMemReadPorts = exuParameters.LduCnt + 2 * exuParameters.StuCnt 428 val NRIntReadPorts = 2 * exuParameters.AluCnt + NRMemReadPorts 429 val NRIntWritePorts = exuParameters.AluCnt + exuParameters.MduCnt + exuParameters.LduCnt 430 val NRFpReadPorts = 3 * exuParameters.FmacCnt + exuParameters.StuCnt 431 val NRFpWritePorts = exuParameters.FpExuCnt + exuParameters.LduCnt 432 val NumRedirect = exuParameters.JmpCnt + exuParameters.AluCnt 433 val BackendRedirectNum = NumRedirect + 2 //2: ldReplay + Exception 434 val LoadPipelineWidth = coreParams.LoadPipelineWidth 435 val StorePipelineWidth = coreParams.StorePipelineWidth 436 val VecMemSrcInWidth = coreParams.VecMemSrcInWidth 437 val VecMemInstWbWidth = coreParams.VecMemInstWbWidth 438 val VecMemDispatchWidth = coreParams.VecMemDispatchWidth 439 val StoreBufferSize = coreParams.StoreBufferSize 440 val StoreBufferThreshold = coreParams.StoreBufferThreshold 441 val EnsbufferWidth = coreParams.EnsbufferWidth 442 val UncacheBufferSize = coreParams.UncacheBufferSize 443 val EnableLoadToLoadForward = coreParams.EnableLoadToLoadForward 444 val EnableFastForward = coreParams.EnableFastForward 445 val EnableLdVioCheckAfterReset = coreParams.EnableLdVioCheckAfterReset 446 val EnableSoftPrefetchAfterReset = coreParams.EnableSoftPrefetchAfterReset 447 val EnableCacheErrorAfterReset = coreParams.EnableCacheErrorAfterReset 448 val EnableAccurateLoadError = coreParams.EnableAccurateLoadError 449 val EnableUncacheWriteOutstanding = coreParams.EnableUncacheWriteOutstanding 450 val EnableStorePrefetchAtIssue = coreParams.EnableStorePrefetchAtIssue 451 val EnableStorePrefetchAtCommit = coreParams.EnableStorePrefetchAtCommit 452 val EnableAtCommitMissTrigger = coreParams.EnableAtCommitMissTrigger 453 val EnableStorePrefetchSMS = coreParams.EnableStorePrefetchSMS 454 val EnableStorePrefetchSPB = coreParams.EnableStorePrefetchSPB 455 val asidLen = coreParams.MMUAsidLen 456 val BTLBWidth = coreParams.LoadPipelineWidth + coreParams.StorePipelineWidth 457 val refillBothTlb = coreParams.refillBothTlb 458 val iwpuParam = coreParams.iwpuParameters 459 val dwpuParam = coreParams.dwpuParameters 460 val itlbParams = coreParams.itlbParameters 461 val ldtlbParams = coreParams.ldtlbParameters 462 val sttlbParams = coreParams.sttlbParameters 463 val pftlbParams = coreParams.pftlbParameters 464 val btlbParams = coreParams.btlbParameters 465 val l2tlbParams = coreParams.l2tlbParameters 466 val NumPerfCounters = coreParams.NumPerfCounters 467 468 val NumRs = (exuParameters.JmpCnt+1)/2 + (exuParameters.AluCnt+1)/2 + (exuParameters.MulCnt+1)/2 + 469 (exuParameters.MduCnt+1)/2 + (exuParameters.FmacCnt+1)/2 + + (exuParameters.FmiscCnt+1)/2 + 470 (exuParameters.FmiscDivSqrtCnt+1)/2 + (exuParameters.LduCnt+1)/2 + 471 (exuParameters.StuCnt+1)/2 + (exuParameters.StuCnt+1)/2 472 473 val instBytes = if (HasCExtension) 2 else 4 474 val instOffsetBits = log2Ceil(instBytes) 475 476 val icacheParameters = coreParams.icacheParameters 477 val dcacheParameters = coreParams.dcacheParametersOpt.getOrElse(DCacheParameters()) 478 479 // dcache block cacheline when lr for LRSCCycles - LRSCBackOff cycles 480 // for constrained LR/SC loop 481 val LRSCCycles = 64 482 // for lr storm 483 val LRSCBackOff = 8 484 485 // cache hierarchy configurations 486 val l1BusDataWidth = 256 487 488 // load violation predict 489 val ResetTimeMax2Pow = 20 //1078576 490 val ResetTimeMin2Pow = 10 //1024 491 // wait table parameters 492 val WaitTableSize = 1024 493 val MemPredPCWidth = log2Up(WaitTableSize) 494 val LWTUse2BitCounter = true 495 // store set parameters 496 val SSITSize = WaitTableSize 497 val LFSTSize = 32 498 val SSIDWidth = log2Up(LFSTSize) 499 val LFSTWidth = 4 500 val StoreSetEnable = true // LWT will be disabled if SS is enabled 501 val LFSTEnable = false 502 val loadExuConfigs = coreParams.loadExuConfigs 503 val storeExuConfigs = coreParams.storeExuConfigs 504 505 val intExuConfigs = coreParams.intExuConfigs 506 507 val fpExuConfigs = coreParams.fpExuConfigs 508 509 val exuConfigs = coreParams.exuConfigs 510 511 val PCntIncrStep: Int = 6 512 val numPCntHc: Int = 25 513 val numPCntPtw: Int = 19 514 515 val numCSRPCntFrontend = 8 516 val numCSRPCntCtrl = 8 517 val numCSRPCntLsu = 8 518 val numCSRPCntHc = 5 519} 520