xref: /XiangShan/src/main/scala/utils/NamedUInt.scala (revision 92c61038092ac384201fa5f56e31f96be14a30f5) 
1package utils
2
3import chisel3._
4
5/**
6  * Produce named UInt(x.W)
7  *
8  * @example {{{
9  *   object Fflags extends NamedUInt(5)
10  *   val fflags = Fflags()
11  * }}}
12  */
13abstract class NamedUInt(int : Int) {
14  def apply(): UInt = UInt(width.W)
15
16  def width: Int = int
17
18  protected def checkInputWidth(uint: UInt): Unit = {
19    require(
20      uint.getWidth == this.width,
21      s"the input UInt width(${uint.getWidth}) should be ${this.width}"
22    )
23  }
24}
25