Chisel3 - util - Valid

/** Wrappers for valid interfaces and associated circuit generators using them.
*/
 
package chisel3.util
 
import chisel3._
import chisel3.core.CompileOptions
import chisel3.experimental.DataMirror
import chisel3.internal.naming.chiselName // can‘t use chisel3_ version because of compile order
 
/** An Bundle containing data and a signal determining if it is valid */
class Valid[+T <: Data](gen: T) extends Bundle
{
val valid = Output(Bool())
val bits = Output(gen)
def fire(dummy: Int = 0): Bool = valid
override def cloneType: this.type = Valid(gen).asInstanceOf[this.type]
}
 
/** Adds a valid protocol to any interface */
object Valid {
def apply[T <: Data](gen: T): Valid[T] = new Valid(gen)
}