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Replace Parameters in cover with globally setable implementation (#1200) 

This change is made in anticipation of a proper coverage library
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Jack Koenig 2018-01-18 14:45:36 -08:00 committed by GitHub
parent 5854fb5f7c
commit bf5dd6dac3
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1 changed files with 16 additions and 14 deletions
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30
src/main/scala/util/Property.scala
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@ -5,10 +5,6 @@ package freechips.rocketchip.util.property
import Chisel._
import chisel3.internal.sourceinfo.{SourceInfo, SourceLine}
import chisel3.util.{ReadyValidIO}
import freechips.rocketchip.config.{Field, Parameters}
case object PropertyLibrary extends Field[BasePropertyLibrary](new DefaultPropertyLibrary)
sealed abstract class PropertyType(name: String) {
override def toString: String = name
@ -20,7 +16,7 @@ object PropertyType {
object Cover extends PropertyType("Cover")
}
trait BasePropertyParameters {
trait BasePropertyParameters {
val pType: PropertyType
val cond: Bool
val label: String
@ -133,24 +129,30 @@ class CrossProperty(cond: Seq[Seq[CoverBoolean]], exclude: Seq[Seq[String]], mes
}
// The implementation using a setable global is bad, but removes dependence on Parameters
// This change was made in anticipation of a proper cover library
object cover {
def apply(cond: Bool)(implicit sourceInfo: SourceInfo, p: Parameters): Unit = {
p(PropertyLibrary).generateProperty(CoverPropertyParameters(cond))
private var propLib: BasePropertyLibrary = new DefaultPropertyLibrary
def setPropLib(lib: BasePropertyLibrary): Unit = this.synchronized {
propLib = lib
}
def apply(cond: Bool, label: String)(implicit sourceInfo: SourceInfo, p: Parameters): Unit = {
p(PropertyLibrary).generateProperty(CoverPropertyParameters(cond, label))
def apply(cond: Bool)(implicit sourceInfo: SourceInfo): Unit = {
propLib.generateProperty(CoverPropertyParameters(cond))
}
def apply(cond: Bool, label: String, message: String)(implicit sourceInfo: SourceInfo, p: Parameters): Unit = {
p(PropertyLibrary).generateProperty(CoverPropertyParameters(cond, label, message))
def apply(cond: Bool, label: String)(implicit sourceInfo: SourceInfo): Unit = {
propLib.generateProperty(CoverPropertyParameters(cond, label))
}
def apply(prop: BaseProperty)(implicit sourceInfo: SourceInfo, p: Parameters): Unit = {
def apply(cond: Bool, label: String, message: String)(implicit sourceInfo: SourceInfo): Unit = {
propLib.generateProperty(CoverPropertyParameters(cond, label, message))
}
def apply(prop: BaseProperty)(implicit sourceInfo: SourceInfo): Unit = {
prop.generateProperties().foreach( (pp: BasePropertyParameters) => {
if (pp.pType == PropertyType.Cover) {
p(PropertyLibrary).generateProperty(CoverPropertyParameters(pp.cond, pp.label, pp.message))
propLib.generateProperty(CoverPropertyParameters(pp.cond, pp.label, pp.message))
}
})
}
def apply[T <: Data](rv: ReadyValidIO[T], label: String, message: String)(implicit sourceInfo: SourceInfo, p: Parameters): Unit = {
def apply[T <: Data](rv: ReadyValidIO[T], label: String, message: String)(implicit sourceInfo: SourceInfo): Unit = {
apply( rv.valid && rv.ready, label + "_FIRE", message + ": valid and ready")
apply( rv.valid && !rv.ready, label + "_STALL", message + ": valid and not ready")
apply(!rv.valid && rv.ready, label + "_IDLE", message + ": not valid and ready")