新建文件GCD.scala
1 import chisel3._ 2 3 class GCD extends Module { 4 val io = IO(new Bundle { 5 val a = Input(UInt(32.W)) 6 val b = Input(UInt(32.W)) 7 val e = Input(Bool()) 8 val z = Output(UInt(32.W)) 9 val v = Output(Bool()) 10 }) 11 val x = Reg(UInt(32.W)) 12 val y = Reg(UInt(32.W)) 13 when (x > y) { 14 x := x -% y 15 }.otherwise { 16 y := y -% x 17 } 18 when (io.e) { 19 x := io.a 20 y := io.b 21 } 22 io.z := x 23 io.v := y === 0.U 24 } 25 26 object GCDDriver extends App { 27 chisel3.Driver.execute(args, () => new GCD) 28 } 1 scalaVersion := "2.12.8" 2 3 resolvers ++= Seq( 4 Resolver.sonatypeRepo("snapshots"), 5 Resolver.sonatypeRepo("releases") 6 ) 7 8 libraryDependencies += "edu.berkeley.cs" %% "chisel3" % "3.1.+" 执行命令 sbt run，等待执行结果。