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authorJim Lawson2016-09-30 12:13:58 -0700
committerGitHub2016-09-30 12:13:58 -0700
commitdb25e8180a53fb8f4912fd37b7a613e15a01564f (patch)
tree8bb5597746002ac98641f394cee4c94e1d154aff /src/main/scala/chisel3/util/Valid.scala
parent785620b1403d827986bf60c2a001d8d6f71eed72 (diff)
parent6edbdf279257d656b5eac38d9de8645a068611bf (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.scala32
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)
}