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