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 huancun._ 23import system.SoCParamsKey 24import xiangshan.backend.datapath.RdConfig._ 25import xiangshan.backend.datapath.WbConfig._ 26import xiangshan.backend.dispatch.DispatchParameters 27import xiangshan.backend.exu.ExeUnitParams 28import xiangshan.backend.fu.FuConfig._ 29import xiangshan.backend.issue.{IntScheduler, IssueBlockParams, MemScheduler, SchdBlockParams, SchedulerType, VfScheduler, FpScheduler} 30import xiangshan.backend.regfile._ 31import xiangshan.backend.BackendParams 32import xiangshan.cache.DCacheParameters 33import xiangshan.cache.prefetch._ 34import xiangshan.frontend.{BasePredictor, BranchPredictionResp, FTB, FakePredictor, RAS, Tage, ITTage, Tage_SC, FauFTB} 35import xiangshan.frontend.icache.ICacheParameters 36import xiangshan.cache.mmu.{L2TLBParameters, TLBParameters} 37import xiangshan.frontend._ 38import xiangshan.frontend.icache.ICacheParameters 39import freechips.rocketchip.diplomacy.AddressSet 40import freechips.rocketchip.tile.MaxHartIdBits 41import system.SoCParamsKey 42import huancun._ 43import huancun.debug._ 44import xiangshan.cache.wpu.WPUParameters 45import coupledL2._ 46import xiangshan.backend.datapath.WakeUpConfig 47import xiangshan.mem.prefetch.{PrefetcherParams, SMSParams} 48 49import scala.math.{max, min} 50 51case object XSTileKey extends Field[Seq[XSCoreParameters]] 52 53case object XSCoreParamsKey extends Field[XSCoreParameters] 54 55case class XSCoreParameters 56( 57 HasPrefetch: Boolean = false, 58 HartId: Int = 0, 59 XLEN: Int = 64, 60 VLEN: Int = 128, 61 ELEN: Int = 64, 62 HSXLEN: Int = 64, 63 HasMExtension: Boolean = true, 64 HasCExtension: Boolean = true, 65 HasHExtension: Boolean = true, 66 HasDiv: Boolean = true, 67 HasICache: Boolean = true, 68 HasDCache: Boolean = true, 69 AddrBits: Int = 64, 70 VAddrBits: Int = 39, 71 GPAddrBits: Int = 41, 72 HasFPU: Boolean = true, 73 HasVPU: Boolean = true, 74 HasCustomCSRCacheOp: Boolean = true, 75 FetchWidth: Int = 8, 76 AsidLength: Int = 16, 77 VmidLength: Int = 14, 78 EnableBPU: Boolean = true, 79 EnableBPD: Boolean = true, 80 EnableRAS: Boolean = true, 81 EnableLB: Boolean = false, 82 EnableLoop: Boolean = true, 83 EnableSC: Boolean = true, 84 EnbaleTlbDebug: Boolean = false, 85 EnableClockGate: Boolean = true, 86 EnableJal: Boolean = false, 87 EnableFauFTB: Boolean = true, 88 UbtbGHRLength: Int = 4, 89 // HistoryLength: Int = 512, 90 EnableGHistDiff: Boolean = true, 91 EnableCommitGHistDiff: Boolean = true, 92 UbtbSize: Int = 256, 93 FtbSize: Int = 2048, 94 RasSize: Int = 16, 95 RasSpecSize: Int = 32, 96 RasCtrSize: Int = 3, 97 CacheLineSize: Int = 512, 98 FtbWays: Int = 4, 99 TageTableInfos: Seq[Tuple3[Int,Int,Int]] = 100 // Sets Hist Tag 101 Seq(( 4096, 8, 8), 102 ( 4096, 13, 8), 103 ( 4096, 32, 8), 104 ( 4096, 119, 8)), 105 ITTageTableInfos: Seq[Tuple3[Int,Int,Int]] = 106 // Sets Hist Tag 107 Seq(( 256, 4, 9), 108 ( 256, 8, 9), 109 ( 512, 13, 9), 110 ( 512, 16, 9), 111 ( 512, 32, 9)), 112 SCNRows: Int = 512, 113 SCNTables: Int = 4, 114 SCCtrBits: Int = 6, 115 SCHistLens: Seq[Int] = Seq(0, 4, 10, 16), 116 numBr: Int = 2, 117 branchPredictor: (BranchPredictionResp, Parameters) => Tuple2[Seq[BasePredictor], BranchPredictionResp] = 118 (resp_in: BranchPredictionResp, p: Parameters) => { 119 val ftb = Module(new FTB()(p)) 120 val uftb = Module(new FauFTB()(p)) 121 val tage = Module(new Tage_SC()(p)) 122 val ras = Module(new RAS()(p)) 123 val ittage = Module(new ITTage()(p)) 124 val preds = Seq(uftb, tage, ftb, ittage, ras) 125 preds.map(_.io := DontCare) 126 127 ftb.io.fauftb_entry_in := uftb.io.fauftb_entry_out 128 ftb.io.fauftb_entry_hit_in := uftb.io.fauftb_entry_hit_out 129 130 uftb.io.in.bits.resp_in(0) := resp_in 131 tage.io.in.bits.resp_in(0) := uftb.io.out 132 ftb.io.in.bits.resp_in(0) := tage.io.out 133 ittage.io.in.bits.resp_in(0) := ftb.io.out 134 ras.io.in.bits.resp_in(0) := ittage.io.out 135 136 (preds, ras.io.out) 137 }, 138 ICacheForceMetaECCError: Boolean = false, 139 ICacheForceDataECCError: Boolean = false, 140 IBufSize: Int = 48, 141 IBufNBank: Int = 6, // IBuffer bank amount, should divide IBufSize 142 DecodeWidth: Int = 6, 143 RenameWidth: Int = 6, 144 CommitWidth: Int = 8, 145 RobCommitWidth: Int = 8, 146 RabCommitWidth: Int = 6, 147 MaxUopSize: Int = 65, 148 EnableRenameSnapshot: Boolean = true, 149 RenameSnapshotNum: Int = 4, 150 FtqSize: Int = 64, 151 EnableLoadFastWakeUp: Boolean = true, // NOTE: not supported now, make it false 152 IntLogicRegs: Int = 32, 153 FpLogicRegs: Int = 32 + 1 + 1, // 1: I2F, 1: stride 154 VecLogicRegs: Int = 32 + 15, // 15: tmp 155 V0LogicRegs: Int = 1, // V0 156 VlLogicRegs: Int = 1, // Vl 157 V0_IDX: Int = 0, 158 Vl_IDX: Int = 0, 159 NRPhyRegs: Int = 192, 160 VirtualLoadQueueSize: Int = 72, 161 LoadQueueRARSize: Int = 72, 162 LoadQueueRAWSize: Int = 64, // NOTE: make sure that LoadQueueRAWSize is power of 2. 163 RollbackGroupSize: Int = 8, 164 LoadQueueReplaySize: Int = 72, 165 LoadUncacheBufferSize: Int = 20, 166 LoadQueueNWriteBanks: Int = 8, // NOTE: make sure that LoadQueueRARSize/LoadQueueRAWSize is divided by LoadQueueNWriteBanks 167 StoreQueueSize: Int = 64, 168 StoreQueueNWriteBanks: Int = 8, // NOTE: make sure that StoreQueueSize is divided by StoreQueueNWriteBanks 169 StoreQueueForwardWithMask: Boolean = true, 170 VlsQueueSize: Int = 8, 171 RobSize: Int = 160, 172 RabSize: Int = 256, 173 VTypeBufferSize: Int = 64, // used to reorder vtype 174 IssueQueueSize: Int = 24, 175 IssueQueueCompEntrySize: Int = 16, 176 dpParams: DispatchParameters = DispatchParameters( 177 IntDqSize = 16, 178 FpDqSize = 16, 179 LsDqSize = 18, 180 IntDqDeqWidth = 8, 181 FpDqDeqWidth = 6, 182 VecDqDeqWidth = 6, 183 LsDqDeqWidth = 6, 184 ), 185 intPreg: PregParams = IntPregParams( 186 numEntries = 224, 187 numRead = None, 188 numWrite = None, 189 ), 190 fpPreg: PregParams = FpPregParams( 191 numEntries = 192, 192 numRead = None, 193 numWrite = None, 194 ), 195 vfPreg: VfPregParams = VfPregParams( 196 numEntries = 128, 197 numRead = None, 198 numWrite = None, 199 ), 200 v0Preg: V0PregParams = V0PregParams( 201 numEntries = 22, 202 numRead = None, 203 numWrite = None, 204 ), 205 vlPreg: VlPregParams = VlPregParams( 206 numEntries = 32, 207 numRead = None, 208 numWrite = None, 209 ), 210 prefetcher: Option[PrefetcherParams] = Some(SMSParams()), 211 IfuRedirectNum: Int = 1, 212 LoadPipelineWidth: Int = 3, 213 StorePipelineWidth: Int = 2, 214 VecLoadPipelineWidth: Int = 2, 215 VecStorePipelineWidth: Int = 2, 216 VecMemSrcInWidth: Int = 2, 217 VecMemInstWbWidth: Int = 1, 218 VecMemDispatchWidth: Int = 1, 219 VecMemDispatchMaxNumber: Int = 16, 220 VecMemUnitStrideMaxFlowNum: Int = 2, 221 VecMemLSQEnqIteratorNumberSeq: Seq[Int] = Seq(16, 2, 2, 2, 2, 2), 222 StoreBufferSize: Int = 16, 223 StoreBufferThreshold: Int = 7, 224 EnsbufferWidth: Int = 2, 225 LoadDependencyWidth: Int = 2, 226 // ============ VLSU ============ 227 VlMergeBufferSize: Int = 16, 228 VsMergeBufferSize: Int = 16, 229 UopWritebackWidth: Int = 2, 230 VLUopWritebackWidth: Int = 2, 231 VSUopWritebackWidth: Int = 1, 232 VSegmentBufferSize: Int = 8, 233 // ============================== 234 UncacheBufferSize: Int = 4, 235 EnableLoadToLoadForward: Boolean = false, 236 EnableFastForward: Boolean = true, 237 EnableLdVioCheckAfterReset: Boolean = true, 238 EnableSoftPrefetchAfterReset: Boolean = true, 239 EnableCacheErrorAfterReset: Boolean = true, 240 EnableAccurateLoadError: Boolean = false, 241 EnableUncacheWriteOutstanding: Boolean = false, 242 EnableStorePrefetchAtIssue: Boolean = false, 243 EnableStorePrefetchAtCommit: Boolean = false, 244 EnableAtCommitMissTrigger: Boolean = true, 245 EnableStorePrefetchSMS: Boolean = false, 246 EnableStorePrefetchSPB: Boolean = false, 247 MMUAsidLen: Int = 16, // max is 16, 0 is not supported now 248 MMUVmidLen: Int = 14, 249 ReSelectLen: Int = 7, // load replay queue replay select counter len 250 iwpuParameters: WPUParameters = WPUParameters( 251 enWPU = false, 252 algoName = "mmru", 253 isICache = true, 254 ), 255 dwpuParameters: WPUParameters = WPUParameters( 256 enWPU = false, 257 algoName = "mmru", 258 enCfPred = false, 259 isICache = false, 260 ), 261 itlbParameters: TLBParameters = TLBParameters( 262 name = "itlb", 263 fetchi = true, 264 useDmode = false, 265 NWays = 48, 266 ), 267 itlbPortNum: Int = ICacheParameters().PortNumber + 1, 268 ipmpPortNum: Int = 2 * ICacheParameters().PortNumber + 1, 269 ldtlbParameters: TLBParameters = TLBParameters( 270 name = "ldtlb", 271 NWays = 48, 272 outReplace = false, 273 partialStaticPMP = true, 274 outsideRecvFlush = true, 275 saveLevel = true, 276 lgMaxSize = 4 277 ), 278 sttlbParameters: TLBParameters = TLBParameters( 279 name = "sttlb", 280 NWays = 48, 281 outReplace = false, 282 partialStaticPMP = true, 283 outsideRecvFlush = true, 284 saveLevel = true, 285 lgMaxSize = 4 286 ), 287 hytlbParameters: TLBParameters = TLBParameters( 288 name = "hytlb", 289 NWays = 48, 290 outReplace = false, 291 partialStaticPMP = true, 292 outsideRecvFlush = true, 293 saveLevel = true, 294 lgMaxSize = 4 295 ), 296 pftlbParameters: TLBParameters = TLBParameters( 297 name = "pftlb", 298 NWays = 48, 299 outReplace = false, 300 partialStaticPMP = true, 301 outsideRecvFlush = true, 302 saveLevel = true, 303 lgMaxSize = 4 304 ), 305 l2ToL1tlbParameters: TLBParameters = TLBParameters( 306 name = "l2tlb", 307 NWays = 48, 308 outReplace = false, 309 partialStaticPMP = true, 310 outsideRecvFlush = true, 311 saveLevel = true 312 ), 313 refillBothTlb: Boolean = false, 314 btlbParameters: TLBParameters = TLBParameters( 315 name = "btlb", 316 NWays = 48, 317 ), 318 l2tlbParameters: L2TLBParameters = L2TLBParameters(), 319 NumPerfCounters: Int = 16, 320 icacheParameters: ICacheParameters = ICacheParameters( 321 tagECC = Some("parity"), 322 dataECC = Some("parity"), 323 replacer = Some("setplru"), 324 ), 325 dcacheParametersOpt: Option[DCacheParameters] = Some(DCacheParameters( 326 tagECC = Some("secded"), 327 dataECC = Some("secded"), 328 replacer = Some("setplru"), 329 nMissEntries = 16, 330 nProbeEntries = 8, 331 nReleaseEntries = 18, 332 nMaxPrefetchEntry = 6, 333 )), 334 L2CacheParamsOpt: Option[L2Param] = Some(L2Param( 335 name = "l2", 336 ways = 8, 337 sets = 1024, // default 512KB L2 338 prefetch = Seq(coupledL2.prefetch.PrefetchReceiverParams(), coupledL2.prefetch.BOPParameters(), 339 coupledL2.prefetch.TPParameters()), 340 )), 341 L2NBanks: Int = 1, 342 usePTWRepeater: Boolean = false, 343 softTLB: Boolean = false, // dpi-c l1tlb debug only 344 softPTW: Boolean = false, // dpi-c l2tlb debug only 345 softPTWDelay: Int = 1 346){ 347 def vlWidth = log2Up(VLEN) + 1 348 349 /** 350 * the minimum element length of vector elements 351 */ 352 val minVecElen: Int = 8 353 354 /** 355 * the maximum number of elements in vector register 356 */ 357 val maxElemPerVreg: Int = VLEN / minVecElen 358 359 val allHistLens = SCHistLens ++ ITTageTableInfos.map(_._2) ++ TageTableInfos.map(_._2) :+ UbtbGHRLength 360 val HistoryLength = allHistLens.max + numBr * FtqSize + 9 // 256 for the predictor configs now 361 362 val intSchdParams = { 363 implicit val schdType: SchedulerType = IntScheduler() 364 SchdBlockParams(Seq( 365 IssueBlockParams(Seq( 366 ExeUnitParams("ALU0", Seq(AluCfg, MulCfg, BkuCfg), Seq(IntWB(port = 0, 0)), Seq(Seq(IntRD(0, 0)), Seq(IntRD(1, 0))), true, 2), 367 ExeUnitParams("BJU0", Seq(BrhCfg, JmpCfg), Seq(IntWB(port = 0, 1)), Seq(Seq(IntRD(8, 0)), Seq(IntRD(1, 1))), true, 2), 368 ), numEntries = IssueQueueSize, numEnq = 2, numComp = IssueQueueCompEntrySize), 369 IssueBlockParams(Seq( 370 ExeUnitParams("ALU1", Seq(AluCfg, MulCfg, BkuCfg), Seq(IntWB(port = 1, 0)), Seq(Seq(IntRD(2, 0)), Seq(IntRD(3, 0))), true, 2), 371 ExeUnitParams("BJU1", Seq(BrhCfg, JmpCfg), Seq(IntWB(port = 1, 1)), Seq(Seq(IntRD(9, 0)), Seq(IntRD(3, 1))), true, 2), 372 ), numEntries = IssueQueueSize, numEnq = 2, numComp = IssueQueueCompEntrySize), 373 IssueBlockParams(Seq( 374 ExeUnitParams("ALU2", Seq(AluCfg), Seq(IntWB(port = 2, 0)), Seq(Seq(IntRD(4, 0)), Seq(IntRD(5, 0))), true, 2), 375 ExeUnitParams("BJU2", Seq(BrhCfg, JmpCfg, I2fCfg, VSetRiWiCfg, VSetRiWvfCfg, CsrCfg, FenceCfg, I2vCfg), Seq(IntWB(port = 4, 0), VfWB(2, 0), V0WB(port = 2, 0), VlWB(port = 0, 0), FpWB(port = 4, 0)), Seq(Seq(IntRD(10, 0)), Seq(IntRD(5, 1)))), 376 ), numEntries = IssueQueueSize, numEnq = 2, numComp = IssueQueueCompEntrySize), 377 IssueBlockParams(Seq( 378 ExeUnitParams("ALU3", Seq(AluCfg), Seq(IntWB(port = 3, 0)), Seq(Seq(IntRD(6, 0)), Seq(IntRD(7, 0))), true, 2), 379 ExeUnitParams("BJU3", Seq(DivCfg), Seq(IntWB(port = 4, 1)), Seq(Seq(IntRD(11, 0)), Seq(IntRD(7, 1)))), 380 ), numEntries = IssueQueueSize, numEnq = 2, numComp = IssueQueueCompEntrySize), 381 ), 382 numPregs = intPreg.numEntries, 383 numDeqOutside = 0, 384 schdType = schdType, 385 rfDataWidth = intPreg.dataCfg.dataWidth, 386 numUopIn = dpParams.IntDqDeqWidth, 387 ) 388 } 389 390 val fpSchdParams = { 391 implicit val schdType: SchedulerType = FpScheduler() 392 SchdBlockParams(Seq( 393 IssueBlockParams(Seq( 394 ExeUnitParams("FEX0", Seq(FaluCfg, FcvtCfg, F2vCfg, FmacCfg), Seq(FpWB(port = 0, 0), IntWB(port = 0, 2), VfWB(port = 3, 0), V0WB(port = 3, 0)), Seq(Seq(FpRD(0, 0)), Seq(FpRD(1, 0)), Seq(FpRD(2, 0)))), 395 ), numEntries = 18, numEnq = 2, numComp = 16), 396 IssueBlockParams(Seq( 397 ExeUnitParams("FEX1", Seq(FaluCfg, FmacCfg), Seq(FpWB(port = 1, 0), IntWB(port = 1, 2)), Seq(Seq(FpRD(3, 0)), Seq(FpRD(4, 0)), Seq(FpRD(5, 0)))), 398 ), numEntries = 18, numEnq = 2, numComp = 16), 399 IssueBlockParams(Seq( 400 ExeUnitParams("FEX2", Seq(FaluCfg, FmacCfg), Seq(FpWB(port = 2, 0), IntWB(port = 2, 2)), Seq(Seq(FpRD(6, 0)), Seq(FpRD(7, 0)), Seq(FpRD(8, 0)))), 401 ), numEntries = 18, numEnq = 2, numComp = 16), 402 IssueBlockParams(Seq( 403 ExeUnitParams("FEX3", Seq(FaluCfg, FmacCfg), Seq(FpWB(port = 3, 0), IntWB(port = 3, 2)), Seq(Seq(FpRD(9, 0)), Seq(FpRD(10, 0)), Seq(FpRD(11, 0)))), 404 ), numEntries = 18, numEnq = 2, numComp = 16), 405 IssueBlockParams(Seq( 406 ExeUnitParams("FEX4", Seq(FdivCfg), Seq(FpWB(port = 4, 1)), Seq(Seq(FpRD(2, 1)), Seq(FpRD(5, 1)))), 407 ExeUnitParams("FEX5", Seq(FdivCfg), Seq(FpWB(port = 3, 1)), Seq(Seq(FpRD(8, 1)), Seq(FpRD(11, 1)))), 408 ), numEntries = 18, numEnq = 2, numComp = 16), 409 ), 410 numPregs = fpPreg.numEntries, 411 numDeqOutside = 0, 412 schdType = schdType, 413 rfDataWidth = fpPreg.dataCfg.dataWidth, 414 numUopIn = dpParams.VecDqDeqWidth, 415 ) 416 } 417 418 val vfSchdParams = { 419 implicit val schdType: SchedulerType = VfScheduler() 420 SchdBlockParams(Seq( 421 IssueBlockParams(Seq( 422 ExeUnitParams("VFEX0", Seq(VfmaCfg, VialuCfg, VimacCfg, VppuCfg), Seq(VfWB(port = 0, 0), V0WB(port = 0, 0)), Seq(Seq(VfRD(0, 0)), Seq(VfRD(1, 0)), Seq(VfRD(2, 0)), Seq(V0RD(0, 0)), Seq(VlRD(0, 0)))), 423 ExeUnitParams("VFEX1", Seq(VfaluCfg, VfcvtCfg, VipuCfg, VSetRvfWvfCfg), Seq(VfWB(port = 0, 1), V0WB(port = 0, 1), VlWB(port = 1, 0), IntWB(port = 1, 1), FpWB(port = 0, 1)), Seq(Seq(VfRD(0, 1)), Seq(VfRD(1, 1)), Seq(VfRD(2, 1)), Seq(V0RD(0, 1)), Seq(VlRD(0, 1)))), 424 ), numEntries = 16, numEnq = 2, numComp = 14), 425 IssueBlockParams(Seq( 426 ExeUnitParams("VFEX2", Seq(VfmaCfg, VialuCfg), Seq(VfWB(port = 1, 0), V0WB(port = 1, 0)), Seq(Seq(VfRD(3, 0)), Seq(VfRD(4, 0)), Seq(VfRD(5, 0)), Seq(V0RD(1, 0)), Seq(VlRD(1, 0)))), 427 ExeUnitParams("VFEX3", Seq(VfaluCfg, VfcvtCfg), Seq(VfWB(port = 2, 1), V0WB(port = 2, 1), FpWB(port = 1, 1)), Seq(Seq(VfRD(3, 1)), Seq(VfRD(4, 1)), Seq(VfRD(5, 1)), Seq(V0RD(1, 1)), Seq(VlRD(1, 1)))), 428 ), numEntries = 16, numEnq = 2, numComp = 14), 429 IssueBlockParams(Seq( 430 ExeUnitParams("VFEX4", Seq(VfdivCfg, VidivCfg), Seq(VfWB(port = 3, 1), V0WB(port = 3, 1)), Seq(Seq(VfRD(3, 2)), Seq(VfRD(4, 2)), Seq(VfRD(5, 2)), Seq(V0RD(1, 2)), Seq(VlRD(1, 2)))), 431 ), numEntries = 10, numEnq = 2, numComp = 8), 432 ), 433 numPregs = vfPreg.numEntries, 434 numDeqOutside = 0, 435 schdType = schdType, 436 rfDataWidth = vfPreg.dataCfg.dataWidth, 437 numUopIn = dpParams.VecDqDeqWidth, 438 ) 439 } 440 441 val memSchdParams = { 442 implicit val schdType: SchedulerType = MemScheduler() 443 val rfDataWidth = 64 444 445 SchdBlockParams(Seq( 446 IssueBlockParams(Seq( 447 ExeUnitParams("STA0", Seq(StaCfg, MouCfg), Seq(FakeIntWB()), Seq(Seq(IntRD(11, 1)))), 448 ), numEntries = 16, numEnq = 2, numComp = 14), 449 IssueBlockParams(Seq( 450 ExeUnitParams("STA1", Seq(StaCfg, MouCfg), Seq(FakeIntWB()), Seq(Seq(IntRD(8, 1)))), 451 ), numEntries = 16, numEnq = 2, numComp = 14), 452 IssueBlockParams(Seq( 453 ExeUnitParams("LDU0", Seq(LduCfg), Seq(IntWB(5, 0), FpWB(5, 0)), Seq(Seq(IntRD(12, 0))), true, 2), 454 ), numEntries = 16, numEnq = 2, numComp = 14), 455 IssueBlockParams(Seq( 456 ExeUnitParams("LDU1", Seq(LduCfg), Seq(IntWB(6, 0), FpWB(6, 0)), Seq(Seq(IntRD(13, 0))), true, 2), 457 ), numEntries = 16, numEnq = 2, numComp = 14), 458 IssueBlockParams(Seq( 459 ExeUnitParams("LDU2", Seq(LduCfg), Seq(IntWB(7, 0), FpWB(7, 0)), Seq(Seq(IntRD(14, 0))), true, 2), 460 ), numEntries = 16, numEnq = 2, numComp = 14), 461 IssueBlockParams(Seq( 462 ExeUnitParams("VLSU0", Seq(VlduCfg, VstuCfg, VseglduSeg, VsegstuCfg), Seq(VfWB(4, 0), V0WB(4, 0)), Seq(Seq(VfRD(6, 0)), Seq(VfRD(7, 0)), Seq(VfRD(8, 0)), Seq(V0RD(2, 0)), Seq(VlRD(2, 0)))), 463 ), numEntries = 16, numEnq = 2, numComp = 14), 464 IssueBlockParams(Seq( 465 ExeUnitParams("VLSU1", Seq(VlduCfg, VstuCfg), Seq(VfWB(5, 0), V0WB(5, 0)), Seq(Seq(VfRD(9, 0)), Seq(VfRD(10, 0)), Seq(VfRD(11, 0)), Seq(V0RD(3, 0)), Seq(VlRD(3, 0)))), 466 ), numEntries = 16, numEnq = 2, numComp = 14), 467 IssueBlockParams(Seq( 468 ExeUnitParams("STD0", Seq(StdCfg, MoudCfg), Seq(), Seq(Seq(IntRD(10, 1), FpRD(12, 0)))), 469 ), numEntries = 16, numEnq = 2, numComp = 14), 470 IssueBlockParams(Seq( 471 ExeUnitParams("STD1", Seq(StdCfg, MoudCfg), Seq(), Seq(Seq(IntRD(11, 1), FpRD(13, 0)))), 472 ), numEntries = 16, numEnq = 2, numComp = 14), 473 ), 474 numPregs = intPreg.numEntries max vfPreg.numEntries, 475 numDeqOutside = 0, 476 schdType = schdType, 477 rfDataWidth = rfDataWidth, 478 numUopIn = dpParams.LsDqDeqWidth, 479 ) 480 } 481 482 def PregIdxWidthMax = intPreg.addrWidth max vfPreg.addrWidth 483 484 def iqWakeUpParams = { 485 Seq( 486 WakeUpConfig( 487 Seq("ALU0", "ALU1", "ALU2", "ALU3", "LDU0", "LDU1", "LDU2") -> 488 Seq("ALU0", "BJU0", "ALU1", "BJU1", "ALU2", "BJU2", "ALU3", "BJU3", "LDU0", "LDU1", "LDU2", "STA0", "STA1", "STD0", "STD1") 489 ), 490 WakeUpConfig( 491 Seq("FEX0", "FEX1", "FEX2", "FEX3", "LDU0", "LDU1", "LDU2") -> 492 Seq("FEX0", "FEX1", "FEX2", "FEX3", "FEX4", "FEX5") 493 ), 494 WakeUpConfig( 495 Seq("FEX0", "FEX1", "FEX2", "FEX3") -> 496 Seq("STD0", "STD1") 497 ), 498// WakeUpConfig( 499// Seq("VFEX0", "VFEX1", "VFEX2", "VFEX3") -> 500// Seq("VFEX0", "VFEX1", "VFEX2", "VFEX3") 501// ), 502 ).flatten 503 } 504 505 def fakeIntPreg = FakeIntPregParams(intPreg.numEntries, intPreg.numRead, intPreg.numWrite) 506 507 val backendParams: BackendParams = backend.BackendParams( 508 Map( 509 IntScheduler() -> intSchdParams, 510 FpScheduler() -> fpSchdParams, 511 VfScheduler() -> vfSchdParams, 512 MemScheduler() -> memSchdParams, 513 ), 514 Seq( 515 intPreg, 516 fpPreg, 517 vfPreg, 518 v0Preg, 519 vlPreg, 520 fakeIntPreg 521 ), 522 iqWakeUpParams, 523 ) 524} 525 526case object DebugOptionsKey extends Field[DebugOptions] 527 528case class DebugOptions 529( 530 FPGAPlatform: Boolean = false, 531 ResetGen: Boolean = false, 532 EnableDifftest: Boolean = false, 533 AlwaysBasicDiff: Boolean = true, 534 EnableDebug: Boolean = false, 535 EnablePerfDebug: Boolean = true, 536 UseDRAMSim: Boolean = false, 537 EnableConstantin: Boolean = false, 538 EnableChiselDB: Boolean = false, 539 AlwaysBasicDB: Boolean = true, 540 EnableRollingDB: Boolean = false 541) 542 543trait HasXSParameter { 544 545 implicit val p: Parameters 546 547 def PAddrBits = p(SoCParamsKey).PAddrBits // PAddrBits is Phyical Memory addr bits 548 def NodeIDWidth = p(SoCParamsKey).NodeIDWidth // NodeID width among NoC 549 550 def coreParams = p(XSCoreParamsKey) 551 def env = p(DebugOptionsKey) 552 553 def XLEN = coreParams.XLEN 554 def VLEN = coreParams.VLEN 555 def ELEN = coreParams.ELEN 556 def HSXLEN = coreParams.HSXLEN 557 val minFLen = 32 558 val fLen = 64 559 def hartIdLen = p(MaxHartIdBits) 560 val xLen = XLEN 561 562 def HasMExtension = coreParams.HasMExtension 563 def HasCExtension = coreParams.HasCExtension 564 def HasHExtension = coreParams.HasHExtension 565 def HasDiv = coreParams.HasDiv 566 def HasIcache = coreParams.HasICache 567 def HasDcache = coreParams.HasDCache 568 def AddrBits = coreParams.AddrBits // AddrBits is used in some cases 569 def GPAddrBits = coreParams.GPAddrBits 570 def VAddrBits = { 571 if(HasHExtension){ 572 coreParams.GPAddrBits 573 }else{ 574 coreParams.VAddrBits 575 } 576 } // VAddrBits is Virtual Memory addr bits 577 578 def VAddrMaxBits = coreParams.VAddrBits max coreParams.GPAddrBits 579 580 def AsidLength = coreParams.AsidLength 581 def VmidLength = coreParams.VmidLength 582 def ReSelectLen = coreParams.ReSelectLen 583 def AddrBytes = AddrBits / 8 // unused 584 def DataBits = XLEN 585 def DataBytes = DataBits / 8 586 def VDataBytes = VLEN / 8 587 def HasFPU = coreParams.HasFPU 588 def HasVPU = coreParams.HasVPU 589 def HasCustomCSRCacheOp = coreParams.HasCustomCSRCacheOp 590 def FetchWidth = coreParams.FetchWidth 591 def PredictWidth = FetchWidth * (if (HasCExtension) 2 else 1) 592 def EnableBPU = coreParams.EnableBPU 593 def EnableBPD = coreParams.EnableBPD // enable backing predictor(like Tage) in BPUStage3 594 def EnableRAS = coreParams.EnableRAS 595 def EnableLB = coreParams.EnableLB 596 def EnableLoop = coreParams.EnableLoop 597 def EnableSC = coreParams.EnableSC 598 def EnbaleTlbDebug = coreParams.EnbaleTlbDebug 599 def HistoryLength = coreParams.HistoryLength 600 def EnableGHistDiff = coreParams.EnableGHistDiff 601 def EnableCommitGHistDiff = coreParams.EnableCommitGHistDiff 602 def EnableClockGate = coreParams.EnableClockGate 603 def UbtbGHRLength = coreParams.UbtbGHRLength 604 def UbtbSize = coreParams.UbtbSize 605 def EnableFauFTB = coreParams.EnableFauFTB 606 def FtbSize = coreParams.FtbSize 607 def FtbWays = coreParams.FtbWays 608 def RasSize = coreParams.RasSize 609 def RasSpecSize = coreParams.RasSpecSize 610 def RasCtrSize = coreParams.RasCtrSize 611 612 def getBPDComponents(resp_in: BranchPredictionResp, p: Parameters) = { 613 coreParams.branchPredictor(resp_in, p) 614 } 615 def numBr = coreParams.numBr 616 def TageTableInfos = coreParams.TageTableInfos 617 def TageBanks = coreParams.numBr 618 def SCNRows = coreParams.SCNRows 619 def SCCtrBits = coreParams.SCCtrBits 620 def SCHistLens = coreParams.SCHistLens 621 def SCNTables = coreParams.SCNTables 622 623 def SCTableInfos = Seq.fill(SCNTables)((SCNRows, SCCtrBits)) zip SCHistLens map { 624 case ((n, cb), h) => (n, cb, h) 625 } 626 def ITTageTableInfos = coreParams.ITTageTableInfos 627 type FoldedHistoryInfo = Tuple2[Int, Int] 628 def foldedGHistInfos = 629 (TageTableInfos.map{ case (nRows, h, t) => 630 if (h > 0) 631 Set((h, min(log2Ceil(nRows/numBr), h)), (h, min(h, t)), (h, min(h, t-1))) 632 else 633 Set[FoldedHistoryInfo]() 634 }.reduce(_++_).toSet ++ 635 SCTableInfos.map{ case (nRows, _, h) => 636 if (h > 0) 637 Set((h, min(log2Ceil(nRows/TageBanks), h))) 638 else 639 Set[FoldedHistoryInfo]() 640 }.reduce(_++_).toSet ++ 641 ITTageTableInfos.map{ case (nRows, h, t) => 642 if (h > 0) 643 Set((h, min(log2Ceil(nRows), h)), (h, min(h, t)), (h, min(h, t-1))) 644 else 645 Set[FoldedHistoryInfo]() 646 }.reduce(_++_) ++ 647 Set[FoldedHistoryInfo]((UbtbGHRLength, log2Ceil(UbtbSize))) 648 ).toList 649 650 651 652 def CacheLineSize = coreParams.CacheLineSize 653 def CacheLineHalfWord = CacheLineSize / 16 654 def ExtHistoryLength = HistoryLength + 64 655 def ICacheForceMetaECCError = coreParams.ICacheForceMetaECCError 656 def ICacheForceDataECCError = coreParams.ICacheForceDataECCError 657 def IBufSize = coreParams.IBufSize 658 def IBufNBank = coreParams.IBufNBank 659 def backendParams: BackendParams = coreParams.backendParams 660 def DecodeWidth = coreParams.DecodeWidth 661 def RenameWidth = coreParams.RenameWidth 662 def CommitWidth = coreParams.CommitWidth 663 def RobCommitWidth = coreParams.RobCommitWidth 664 def RabCommitWidth = coreParams.RabCommitWidth 665 def MaxUopSize = coreParams.MaxUopSize 666 def EnableRenameSnapshot = coreParams.EnableRenameSnapshot 667 def RenameSnapshotNum = coreParams.RenameSnapshotNum 668 def FtqSize = coreParams.FtqSize 669 def EnableLoadFastWakeUp = coreParams.EnableLoadFastWakeUp 670 def IntLogicRegs = coreParams.IntLogicRegs 671 def FpLogicRegs = coreParams.FpLogicRegs 672 def VecLogicRegs = coreParams.VecLogicRegs 673 def V0LogicRegs = coreParams.V0LogicRegs 674 def VlLogicRegs = coreParams.VlLogicRegs 675 def MaxLogicRegs = Set(IntLogicRegs, FpLogicRegs, VecLogicRegs, V0LogicRegs, VlLogicRegs).max 676 def LogicRegsWidth = log2Ceil(MaxLogicRegs) 677 def V0_IDX = coreParams.V0_IDX 678 def Vl_IDX = coreParams.Vl_IDX 679 def IntPhyRegs = coreParams.intPreg.numEntries 680 def FpPhyRegs = coreParams.fpPreg.numEntries 681 def VfPhyRegs = coreParams.vfPreg.numEntries 682 def V0PhyRegs = coreParams.v0Preg.numEntries 683 def VlPhyRegs = coreParams.vlPreg.numEntries 684 def MaxPhyPregs = IntPhyRegs max VfPhyRegs 685 def PhyRegIdxWidth = log2Up(IntPhyRegs) max log2Up(FpPhyRegs) max log2Up(VfPhyRegs) 686 def RobSize = coreParams.RobSize 687 def RabSize = coreParams.RabSize 688 def VTypeBufferSize = coreParams.VTypeBufferSize 689 /** 690 * the minimum element length of vector elements 691 */ 692 def minVecElen: Int = coreParams.minVecElen 693 694 /** 695 * the maximum number of elements in vector register 696 */ 697 def maxElemPerVreg: Int = coreParams.maxElemPerVreg 698 699 def IntRefCounterWidth = log2Ceil(RobSize) 700 def LSQEnqWidth = coreParams.dpParams.LsDqDeqWidth 701 def LSQLdEnqWidth = LSQEnqWidth min backendParams.numLoadDp 702 def LSQStEnqWidth = LSQEnqWidth min backendParams.numStoreDp 703 def VirtualLoadQueueSize = coreParams.VirtualLoadQueueSize 704 def LoadQueueRARSize = coreParams.LoadQueueRARSize 705 def LoadQueueRAWSize = coreParams.LoadQueueRAWSize 706 def RollbackGroupSize = coreParams.RollbackGroupSize 707 def LoadQueueReplaySize = coreParams.LoadQueueReplaySize 708 def LoadUncacheBufferSize = coreParams.LoadUncacheBufferSize 709 def LoadQueueNWriteBanks = coreParams.LoadQueueNWriteBanks 710 def StoreQueueSize = coreParams.StoreQueueSize 711 def VirtualLoadQueueMaxStoreQueueSize = VirtualLoadQueueSize max StoreQueueSize 712 def StoreQueueNWriteBanks = coreParams.StoreQueueNWriteBanks 713 def StoreQueueForwardWithMask = coreParams.StoreQueueForwardWithMask 714 def VlsQueueSize = coreParams.VlsQueueSize 715 def dpParams = coreParams.dpParams 716 717 def MemIQSizeMax = backendParams.memSchdParams.get.issueBlockParams.map(_.numEntries).max 718 def IQSizeMax = backendParams.allSchdParams.map(_.issueBlockParams.map(_.numEntries).max).max 719 720 def NumRedirect = backendParams.numRedirect 721 def BackendRedirectNum = NumRedirect + 2 //2: ldReplay + Exception 722 def FtqRedirectAheadNum = NumRedirect 723 def IfuRedirectNum = coreParams.IfuRedirectNum 724 def LoadPipelineWidth = coreParams.LoadPipelineWidth 725 def StorePipelineWidth = coreParams.StorePipelineWidth 726 def VecLoadPipelineWidth = coreParams.VecLoadPipelineWidth 727 def VecStorePipelineWidth = coreParams.VecStorePipelineWidth 728 def VecMemSrcInWidth = coreParams.VecMemSrcInWidth 729 def VecMemInstWbWidth = coreParams.VecMemInstWbWidth 730 def VecMemDispatchWidth = coreParams.VecMemDispatchWidth 731 def VecMemDispatchMaxNumber = coreParams.VecMemDispatchMaxNumber 732 def VecMemUnitStrideMaxFlowNum = coreParams.VecMemUnitStrideMaxFlowNum 733 def VecMemLSQEnqIteratorNumberSeq = coreParams.VecMemLSQEnqIteratorNumberSeq 734 def StoreBufferSize = coreParams.StoreBufferSize 735 def StoreBufferThreshold = coreParams.StoreBufferThreshold 736 def EnsbufferWidth = coreParams.EnsbufferWidth 737 def LoadDependencyWidth = coreParams.LoadDependencyWidth 738 def VlMergeBufferSize = coreParams.VlMergeBufferSize 739 def VsMergeBufferSize = coreParams.VsMergeBufferSize 740 def UopWritebackWidth = coreParams.UopWritebackWidth 741 def VLUopWritebackWidth = coreParams.VLUopWritebackWidth 742 def VSUopWritebackWidth = coreParams.VSUopWritebackWidth 743 def VSegmentBufferSize = coreParams.VSegmentBufferSize 744 def UncacheBufferSize = coreParams.UncacheBufferSize 745 def EnableLoadToLoadForward = coreParams.EnableLoadToLoadForward 746 def EnableFastForward = coreParams.EnableFastForward 747 def EnableLdVioCheckAfterReset = coreParams.EnableLdVioCheckAfterReset 748 def EnableSoftPrefetchAfterReset = coreParams.EnableSoftPrefetchAfterReset 749 def EnableCacheErrorAfterReset = coreParams.EnableCacheErrorAfterReset 750 def EnableAccurateLoadError = coreParams.EnableAccurateLoadError 751 def EnableUncacheWriteOutstanding = coreParams.EnableUncacheWriteOutstanding 752 def EnableStorePrefetchAtIssue = coreParams.EnableStorePrefetchAtIssue 753 def EnableStorePrefetchAtCommit = coreParams.EnableStorePrefetchAtCommit 754 def EnableAtCommitMissTrigger = coreParams.EnableAtCommitMissTrigger 755 def EnableStorePrefetchSMS = coreParams.EnableStorePrefetchSMS 756 def EnableStorePrefetchSPB = coreParams.EnableStorePrefetchSPB 757 require(LoadPipelineWidth == backendParams.LdExuCnt, "LoadPipelineWidth must be equal exuParameters.LduCnt!") 758 require(StorePipelineWidth == backendParams.StaCnt, "StorePipelineWidth must be equal exuParameters.StuCnt!") 759 def Enable3Load3Store = (LoadPipelineWidth == 3 && StorePipelineWidth == 3) 760 def asidLen = coreParams.MMUAsidLen 761 def vmidLen = coreParams.MMUVmidLen 762 def BTLBWidth = coreParams.LoadPipelineWidth + coreParams.StorePipelineWidth 763 def refillBothTlb = coreParams.refillBothTlb 764 def iwpuParam = coreParams.iwpuParameters 765 def dwpuParam = coreParams.dwpuParameters 766 def itlbParams = coreParams.itlbParameters 767 def ldtlbParams = coreParams.ldtlbParameters 768 def sttlbParams = coreParams.sttlbParameters 769 def hytlbParams = coreParams.hytlbParameters 770 def pftlbParams = coreParams.pftlbParameters 771 def l2ToL1Params = coreParams.l2ToL1tlbParameters 772 def btlbParams = coreParams.btlbParameters 773 def l2tlbParams = coreParams.l2tlbParameters 774 def NumPerfCounters = coreParams.NumPerfCounters 775 776 def instBytes = if (HasCExtension) 2 else 4 777 def instOffsetBits = log2Ceil(instBytes) 778 779 def icacheParameters = coreParams.icacheParameters 780 def dcacheParameters = coreParams.dcacheParametersOpt.getOrElse(DCacheParameters()) 781 782 // dcache block cacheline when lr for LRSCCycles - LRSCBackOff cycles 783 // for constrained LR/SC loop 784 def LRSCCycles = 64 785 // for lr storm 786 def LRSCBackOff = 8 787 788 // cache hierarchy configurations 789 def l1BusDataWidth = 256 790 791 // load violation predict 792 def ResetTimeMax2Pow = 20 //1078576 793 def ResetTimeMin2Pow = 10 //1024 794 // wait table parameters 795 def WaitTableSize = 1024 796 def MemPredPCWidth = log2Up(WaitTableSize) 797 def LWTUse2BitCounter = true 798 // store set parameters 799 def SSITSize = WaitTableSize 800 def LFSTSize = 32 801 def SSIDWidth = log2Up(LFSTSize) 802 def LFSTWidth = 4 803 def StoreSetEnable = true // LWT will be disabled if SS is enabled 804 def LFSTEnable = true 805 806 def PCntIncrStep: Int = 6 807 def numPCntHc: Int = 25 808 def numPCntPtw: Int = 19 809 810 def numCSRPCntFrontend = 8 811 def numCSRPCntCtrl = 8 812 def numCSRPCntLsu = 8 813 def numCSRPCntHc = 5 814 def printEventCoding = true 815 816 // Parameters for Sdtrig extension 817 protected def TriggerNum = 4 818 protected def TriggerChainMaxLength = 2 819} 820