hdl/chisel/src/kelvin/scalar/Flush.scala

// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package kelvin

import chisel3._
import chisel3.util._
import common._

class IFlushIO(p: Parameters) extends Bundle {
  val valid = Output(Bool())
  val ready = Input(Bool())
}

class DFlushIO(p: Parameters) extends Bundle {
  val valid = Output(Bool())
  val ready = Input(Bool())
  val all   = Output(Bool())  // all=0, see io.dbus.addr for line address.
  val clean = Output(Bool())  // clean and flush
}

class DFlushFenceiIO(p: Parameters) extends DFlushIO(p) {
  val fencei = Output(Bool())
}