xref: /XiangShan/src/main/scala/utils/DebugMem.scala (revision 51e45dbbf87325e45ff2af6ca86ed6c7eed04464)

/***************************************************************************************
* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
* Copyright (c) 2020-2021 Peng Cheng Laboratory
*
* XiangShan is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*          http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
*
* See the Mulan PSL v2 for more details.
***************************************************************************************/

package utils

import chisel3._

object DebugMem {
  def apply[T <: Data](size: Int, data: T): DebugMem[T] = {
    new DebugMem(size, data)
  }
}

class DebugMem[T <: Data](size: Int, data: T) extends IndexedSeq[T] {
  private var debugMem: Option[Mem[T]] = None
  private var debugReg: Option[Vec[T]] = None

  BuildInfo.version match {
    case "3.6.0" => debugMem = Some(Mem(size, data))
    case _       => debugReg = Some(Reg(Vec(size, data)))
  }

  def apply(addr: Int): T = BuildInfo.version match {
    case "3.6.0" => debugMem.get(addr)
    case _       => debugReg.get(addr)
  }

  def apply(addr: UInt): T = BuildInfo.version match {
    case "3.6.0" => debugMem.get(addr)
    case _       => debugReg.get(addr)
  }

  def length: Int = BuildInfo.version match {
    case "3.6.0" => debugMem.get.length.intValue
    case _       => debugReg.get.length
  }
}