diff options
| author | Jim Lawson | 2016-08-18 12:35:34 -0700 |
|---|---|---|
| committer | Jim Lawson | 2016-08-18 12:35:34 -0700 |
| commit | d18274e307271809db2c27676f1dca40a49c9627 (patch) | |
| tree | 2632a0e409bea3f9069c5ebfb555cc1ec04caa4f /src/main/scala/chisel3/util/Valid.scala | |
| parent | ddb7278760029be9d960ba8bf2b06ac8a8aac767 (diff) | |
| parent | 7922f8d4998dd902ee18a6e85e4a404a1f29eb3f (diff) | |
Merge branch 'sdtwigg_connectwrap_renamechisel3' into gsdt_tests
Revive support for firrtl flip direction.
Remove compileOptions.internalConnectionToInputOk
Diffstat (limited to 'src/main/scala/chisel3/util/Valid.scala')
| -rw-r--r-- | src/main/scala/chisel3/util/Valid.scala | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/src/main/scala/chisel3/util/Valid.scala b/src/main/scala/chisel3/util/Valid.scala index 78187ff6..743038f3 100644 --- a/src/main/scala/chisel3/util/Valid.scala +++ b/src/main/scala/chisel3/util/Valid.scala @@ -7,20 +7,18 @@ package chisel3.util import chisel3._ -/** An I/O Bundle containing data and a signal determining if it is valid */ -class ValidIO[+T <: Data](gen2: T) extends Bundle +/** An Bundle containing data and a signal determining if it is valid */ +class Valid[+T <: Data](gen: T) extends Bundle { - val valid = Bool(OUTPUT) - val bits = gen2.cloneType.asOutput + val valid = Output(Bool()) + val bits = Output(gen.chiselCloneType) def fire(dummy: Int = 0): Bool = valid - override def cloneType: this.type = new ValidIO(gen2).asInstanceOf[this.type] + override def cloneType: this.type = Valid(gen).asInstanceOf[this.type] } -/** Adds a valid protocol to any interface. The standard used is - that the consumer uses the flipped interface. -*/ +/** Adds a valid protocol to any interface */ object Valid { - def apply[T <: Data](gen: T): ValidIO[T] = new ValidIO(gen) + def apply[T <: Data](gen: T): Valid[T] = new Valid(gen) } /** A hardware module that delays data coming down the pipeline @@ -34,7 +32,7 @@ object Valid { */ object Pipe { - def apply[T <: Data](enqValid: Bool, enqBits: T, latency: Int): ValidIO[T] = { + def apply[T <: Data](enqValid: Bool, enqBits: T, latency: Int): Valid[T] = { if (latency == 0) { val out = Wire(Valid(enqBits)) out.valid <> enqValid @@ -46,16 +44,16 @@ object Pipe apply(v, b, latency-1) } } - def apply[T <: Data](enqValid: Bool, enqBits: T): ValidIO[T] = apply(enqValid, enqBits, 1) - def apply[T <: Data](enq: ValidIO[T], latency: Int = 1): ValidIO[T] = apply(enq.valid, enq.bits, latency) + def apply[T <: Data](enqValid: Bool, enqBits: T): Valid[T] = apply(enqValid, enqBits, 1) + def apply[T <: Data](enq: Valid[T], latency: Int = 1): Valid[T] = apply(enq.valid, enq.bits, latency) } class Pipe[T <: Data](gen: T, latency: Int = 1) extends Module { - val io = new Bundle { - val enq = Valid(gen).flip - val deq = Valid(gen) - } + val io = IO(new Bundle { + val enq = Input(Valid(gen)) + val deq = Output(Valid(gen)) + }) io.deq <> Pipe(io.enq, latency) } |
