riscv/rocket-chip
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diplomacy: eliminate some wasted IdentityNodes using cross-module refs

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This commit is contained in:
Wesley W. Terpstra
2017-09-23 00:04:50 -07:00
parent bc225a4e82
commit 60614055e3
9 changed files with 64 additions and 87 deletions
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8
src/main/scala/rocket/Frontend.scala
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@ -56,12 +56,8 @@ class FrontendIO(implicit p: Parameters) extends CoreBundle()(p) {
class Frontend(val icacheParams: ICacheParams, hartid: Int)(implicit p: Parameters) extends LazyModule {
lazy val module = new FrontendModule(this)
val icache = LazyModule(new ICache(icacheParams, hartid))
val masterNode = TLIdentityNode()
val slaveNode = TLIdentityNode()
masterNode := icache.masterNode
// Avoid breaking tile dedup due to address constants in the monitor
DisableMonitors { implicit p => icache.slaveNode.map { _ := slaveNode } }
val masterNode = icache.masterNode
val slaveNode = icache.slaveNode
}
class FrontendBundle(outer: Frontend) extends CoreBundle()(outer.p)