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 top 18 19import chisel3._ 20import chisel3.util._ 21import xiangshan._ 22import utils._ 23import utility._ 24import system._ 25import chipsalliance.rocketchip.config._ 26import freechips.rocketchip.tile.{BusErrorUnit, BusErrorUnitParams, XLen} 27import xiangshan.frontend.icache.ICacheParameters 28import freechips.rocketchip.devices.debug._ 29import freechips.rocketchip.tile.MaxHartIdBits 30import xiangshan.backend.dispatch.DispatchParameters 31import xiangshan.backend.exu.ExuParameters 32import xiangshan.cache.DCacheParameters 33import xiangshan.cache.mmu.{L2TLBParameters, TLBParameters} 34import device.{EnableJtag, XSDebugModuleParams} 35import huancun._ 36 37class BaseConfig(n: Int) extends Config((site, here, up) => { 38 case XLen => 64 39 case DebugOptionsKey => DebugOptions() 40 case SoCParamsKey => SoCParameters() 41 case PMParameKey => PMParameters() 42 case XSTileKey => Seq.tabulate(n){ i => XSCoreParameters(HartId = i) } 43 case ExportDebug => DebugAttachParams(protocols = Set(JTAG)) 44 case DebugModuleKey => Some(XSDebugModuleParams(site(XLen))) 45 case JtagDTMKey => JtagDTMKey 46 case MaxHartIdBits => 2 47 case EnableJtag => true.B 48}) 49 50// Synthesizable minimal XiangShan 51// * It is still an out-of-order, super-scalaer arch 52// * L1 cache included 53// * L2 cache NOT included 54// * L3 cache included 55class MinimalConfig(n: Int = 1) extends Config( 56 new BaseConfig(n).alter((site, here, up) => { 57 case XSTileKey => up(XSTileKey).map( 58 _.copy( 59 DecodeWidth = 2, 60 RenameWidth = 2, 61 CommitWidth = 2, 62 FetchWidth = 4, 63 IssQueSize = 8, 64 NRPhyRegs = 96, 65 IntPhyRegs = 96, 66 VfPhyRegs = 96, 67 LoadQueueSize = 16, 68 LoadQueueNWriteBanks = 4, 69 StoreQueueSize = 12, 70 StoreQueueNWriteBanks = 4, 71 RobSize = 32, 72 FtqSize = 8, 73 IBufSize = 16, 74 StoreBufferSize = 4, 75 StoreBufferThreshold = 3, 76 dpParams = DispatchParameters( 77 IntDqSize = 12, 78 FpDqSize = 12, 79 LsDqSize = 12, 80 IntDqDeqWidth = 4, 81 FpDqDeqWidth = 4, 82 LsDqDeqWidth = 4 83 ), 84 exuParameters = ExuParameters( 85 JmpCnt = 1, 86 AluCnt = 2, 87 MulCnt = 0, 88 MduCnt = 1, 89 FmacCnt = 1, 90 FmiscCnt = 1, 91 FmiscDivSqrtCnt = 0, 92 LduCnt = 2, 93 StuCnt = 2 94 ), 95 icacheParameters = ICacheParameters( 96 nSets = 64, // 16KB ICache 97 tagECC = Some("parity"), 98 dataECC = Some("parity"), 99 replacer = Some("setplru"), 100 nMissEntries = 2, 101 nReleaseEntries = 1, 102 nProbeEntries = 2, 103 nPrefetchEntries = 2, 104 hasPrefetch = false 105 ), 106 dcacheParametersOpt = Some(DCacheParameters( 107 nSets = 64, // 32KB DCache 108 nWays = 8, 109 tagECC = Some("secded"), 110 dataECC = Some("secded"), 111 replacer = Some("setplru"), 112 nMissEntries = 4, 113 nProbeEntries = 4, 114 nReleaseEntries = 8, 115 )), 116 EnableBPD = false, // disable TAGE 117 EnableLoop = false, 118 itlbParameters = TLBParameters( 119 name = "itlb", 120 fetchi = true, 121 useDmode = false, 122 normalReplacer = Some("plru"), 123 superReplacer = Some("plru"), 124 normalNWays = 4, 125 normalNSets = 1, 126 superNWays = 2 127 ), 128 ldtlbParameters = TLBParameters( 129 name = "ldtlb", 130 normalNSets = 16, // when da or sa 131 normalNWays = 1, // when fa or sa 132 normalAssociative = "sa", 133 normalReplacer = Some("setplru"), 134 superNWays = 4, 135 normalAsVictim = true, 136 partialStaticPMP = true, 137 outsideRecvFlush = true, 138 outReplace = false 139 ), 140 sttlbParameters = TLBParameters( 141 name = "sttlb", 142 normalNSets = 16, // when da or sa 143 normalNWays = 1, // when fa or sa 144 normalAssociative = "sa", 145 normalReplacer = Some("setplru"), 146 normalAsVictim = true, 147 superNWays = 4, 148 partialStaticPMP = true, 149 outsideRecvFlush = true, 150 outReplace = false 151 ), 152 btlbParameters = TLBParameters( 153 name = "btlb", 154 normalNSets = 1, 155 normalNWays = 8, 156 superNWays = 2 157 ), 158 l2tlbParameters = L2TLBParameters( 159 l1Size = 4, 160 l2nSets = 4, 161 l2nWays = 4, 162 l3nSets = 4, 163 l3nWays = 8, 164 spSize = 2, 165 ), 166 L2CacheParamsOpt = None, // remove L2 Cache 167 prefetcher = None // if L2 pf_recv_node does not exist, disable SMS prefetcher 168 ) 169 ) 170 case SoCParamsKey => 171 val tiles = site(XSTileKey) 172 up(SoCParamsKey).copy( 173 L3CacheParamsOpt = Some(up(SoCParamsKey).L3CacheParamsOpt.get.copy( 174 sets = 1024, 175 inclusive = false, 176 clientCaches = tiles.map{ p => 177 CacheParameters( 178 "dcache", 179 sets = 2 * p.dcacheParametersOpt.get.nSets, 180 ways = p.dcacheParametersOpt.get.nWays + 2, 181 blockGranularity = log2Ceil(2 * p.dcacheParametersOpt.get.nSets), 182 aliasBitsOpt = None 183 ) 184 }, 185 simulation = !site(DebugOptionsKey).FPGAPlatform 186 )), 187 L3NBanks = 1 188 ) 189 }) 190) 191 192// Non-synthesizable MinimalConfig, for fast simulation only 193class MinimalSimConfig(n: Int = 1) extends Config( 194 new MinimalConfig(n).alter((site, here, up) => { 195 case XSTileKey => up(XSTileKey).map(_.copy( 196 dcacheParametersOpt = None, 197 softPTW = true 198 )) 199 case SoCParamsKey => up(SoCParamsKey).copy( 200 L3CacheParamsOpt = None 201 ) 202 }) 203) 204 205class WithNKBL1D(n: Int, ways: Int = 8) extends Config((site, here, up) => { 206 case XSTileKey => 207 val sets = n * 1024 / ways / 64 208 up(XSTileKey).map(_.copy( 209 dcacheParametersOpt = Some(DCacheParameters( 210 nSets = sets, 211 nWays = ways, 212 tagECC = Some("secded"), 213 dataECC = Some("secded"), 214 replacer = Some("setplru"), 215 nMissEntries = 16, 216 nProbeEntries = 8, 217 nReleaseEntries = 18 218 )) 219 )) 220}) 221 222class WithNKBL2 223( 224 n: Int, 225 ways: Int = 8, 226 inclusive: Boolean = true, 227 banks: Int = 1, 228 alwaysReleaseData: Boolean = false 229) extends Config((site, here, up) => { 230 case XSTileKey => 231 val upParams = up(XSTileKey) 232 val l2sets = n * 1024 / banks / ways / 64 233 upParams.map(p => p.copy( 234 L2CacheParamsOpt = Some(HCCacheParameters( 235 name = "L2", 236 level = 2, 237 ways = ways, 238 sets = l2sets, 239 inclusive = inclusive, 240 alwaysReleaseData = alwaysReleaseData, 241 clientCaches = Seq(CacheParameters( 242 "dcache", 243 sets = 2 * p.dcacheParametersOpt.get.nSets / banks, 244 ways = p.dcacheParametersOpt.get.nWays + 2, 245 blockGranularity = log2Ceil(2 * p.dcacheParametersOpt.get.nSets / banks), 246 aliasBitsOpt = p.dcacheParametersOpt.get.aliasBitsOpt 247 )), 248 reqField = Seq(PreferCacheField()), 249 echoField = Seq(DirtyField()), 250 prefetch = Some(huancun.prefetch.PrefetchReceiverParams()), 251 enablePerf = true, 252 sramDepthDiv = 2, 253 tagECC = Some("secded"), 254 dataECC = Some("secded"), 255 simulation = !site(DebugOptionsKey).FPGAPlatform 256 )), 257 L2NBanks = banks 258 )) 259}) 260 261class WithNKBL3(n: Int, ways: Int = 8, inclusive: Boolean = true, banks: Int = 1) extends Config((site, here, up) => { 262 case SoCParamsKey => 263 val sets = n * 1024 / banks / ways / 64 264 val tiles = site(XSTileKey) 265 val clientDirBytes = tiles.map{ t => 266 t.L2NBanks * t.L2CacheParamsOpt.map(_.toCacheParams.capacity).getOrElse(0) 267 }.sum 268 up(SoCParamsKey).copy( 269 L3NBanks = banks, 270 L3CacheParamsOpt = Some(HCCacheParameters( 271 name = "L3", 272 level = 3, 273 ways = ways, 274 sets = sets, 275 inclusive = inclusive, 276 clientCaches = tiles.map{ core => 277 val l2params = core.L2CacheParamsOpt.get.toCacheParams 278 l2params.copy(sets = 2 * clientDirBytes / core.L2NBanks / l2params.ways / 64) 279 }, 280 enablePerf = true, 281 ctrl = Some(CacheCtrl( 282 address = 0x39000000, 283 numCores = tiles.size 284 )), 285 sramClkDivBy2 = true, 286 sramDepthDiv = 4, 287 tagECC = Some("secded"), 288 dataECC = Some("secded"), 289 simulation = !site(DebugOptionsKey).FPGAPlatform 290 )) 291 ) 292}) 293 294class WithL3DebugConfig extends Config( 295 new WithNKBL3(256, inclusive = false) ++ new WithNKBL2(64) 296) 297 298class MinimalL3DebugConfig(n: Int = 1) extends Config( 299 new WithL3DebugConfig ++ new MinimalConfig(n) 300) 301 302class DefaultL3DebugConfig(n: Int = 1) extends Config( 303 new WithL3DebugConfig ++ new BaseConfig(n) 304) 305 306class MinimalAliasDebugConfig(n: Int = 1) extends Config( 307 new WithNKBL3(512, inclusive = false) ++ 308 new WithNKBL2(256, inclusive = false, alwaysReleaseData = true) ++ 309 new WithNKBL1D(128) ++ 310 new MinimalConfig(n) 311) 312 313class MediumConfig(n: Int = 1) extends Config( 314 new WithNKBL3(4096, inclusive = false, banks = 4) 315 ++ new WithNKBL2(512, inclusive = false, alwaysReleaseData = true) 316 ++ new WithNKBL1D(128) 317 ++ new BaseConfig(n) 318) 319 320class DefaultConfig(n: Int = 1) extends Config( 321 new WithNKBL3(6 * 1024, inclusive = false, banks = 4, ways = 6) 322 ++ new WithNKBL2(2 * 512, inclusive = false, banks = 4, alwaysReleaseData = true) 323 ++ new WithNKBL1D(128) 324 ++ new BaseConfig(n) 325) 326