diff options
| author | Jim Lawson | 2016-09-30 12:13:58 -0700 |
|---|---|---|
| committer | GitHub | 2016-09-30 12:13:58 -0700 |
| commit | db25e8180a53fb8f4912fd37b7a613e15a01564f (patch) | |
| tree | 8bb5597746002ac98641f394cee4c94e1d154aff /src/main/scala/chisel3/util/Valid.scala | |
| parent | 785620b1403d827986bf60c2a001d8d6f71eed72 (diff) | |
| parent | 6edbdf279257d656b5eac38d9de8645a068611bf (diff) | |
Merge pull request #265 from ucb-bar/gsdt
Gsdt - Fixup to Chisel connections and direction - PR 200 revisited.
Diffstat (limited to 'src/main/scala/chisel3/util/Valid.scala')
| -rw-r--r-- | src/main/scala/chisel3/util/Valid.scala | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/main/scala/chisel3/util/Valid.scala b/src/main/scala/chisel3/util/Valid.scala index 78187ff6..3d153a2a 100644 --- a/src/main/scala/chisel3/util/Valid.scala +++ b/src/main/scala/chisel3/util/Valid.scala @@ -6,21 +6,21 @@ package chisel3.util import chisel3._ +// TODO: remove this once we have CompileOptions threaded through the macro system. +import chisel3.core.ExplicitCompileOptions.NotStrict -/** 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 +34,7 @@ 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 +46,16 @@ 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) } |
