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 chisel3.util.log2Ceil 20import org.chipsalliance.cde.config.{Field, Parameters} 21import freechips.rocketchip.tile.XLen 22import system.SoCParamsKey 23import xiangshan.backend.fu.{MMPMAConfig, MMPMAMethod} 24 25case object PMParameKey extends Field[PMParameters] 26 27case class PMParameters 28( 29 NumPMP: Int = 16, 30 NumPMA: Int = 16, 31 32 PlatformGrain: Int = log2Ceil(4*1024), // 4KB, a normal page 33 mmpma: MMPMAConfig = MMPMAConfig( 34 address = 0x38021000, 35 mask = 0xfff, 36 lgMaxSize = 3, 37 sameCycle = true, 38 num = 2 39 ) 40) 41//trait HasPMParameters extends PMParameters 42trait HasPMParameters { 43 implicit val p: Parameters 44 45 def PMPAddrBits = p(SoCParamsKey).PAddrBits 46 def PMPPmemRanges = p(SoCParamsKey).PmemRanges 47 def PMAConfigs = p(SoCParamsKey).PMAConfigs 48 def PMXLEN = p(XLen) 49 def pmParams = p(PMParameKey) 50 def NumPMP = pmParams.NumPMP 51 def NumPMA = pmParams.NumPMA 52 53 def PlatformGrain = pmParams.PlatformGrain 54 def mmpma = pmParams.mmpma 55} 56