Merge pull request #140 from OpenXiangShan/chi-coupledl2-fix-dsWen

Kumonda221-CrO3 · web-flow · commit e9cee3c65436 · 2024-05-03T20:05:50.000+08:00
MSHR: always refill DS when L2 receives CompData
diff --git a/src/main/scala/coupledL2/tl2chi/MSHR.scala b/src/main/scala/coupledL2/tl2chi/MSHR.scala
@@ -622,7 +622,7 @@ class MSHR(implicit p: Parameters) extends TL2CHIL2Module {
     )
     mp_grant.metaWen := true.B
     mp_grant.tagWen := !dirResult.hit
-    mp_grant.dsWen := (!dirResult.hit || gotDirty) && gotGrantData || probeDirty && (req_get || req.aliasTask.getOrElse(false.B))
+    mp_grant.dsWen := gotGrantData || probeDirty && (req_get || req.aliasTask.getOrElse(false.B))
     mp_grant.fromL2pft.foreach(_ := req.fromL2pft.get)
     mp_grant.needHint.foreach(_ := false.B)
     mp_grant.replTask := !dirResult.hit // Get and Alias are hit that does not need replacement

Original file line number	Diff line number	Diff line change
`@@ -622,7 +622,7 @@ class MSHR(implicit p: Parameters) extends TL2CHIL2Module {`
`622`	`622`	`)`
`623`	`623`	`mp_grant.metaWen := true.B`
`624`	`624`	`mp_grant.tagWen := !dirResult.hit`
`625`		`- mp_grant.dsWen := (!dirResult.hit \|\| gotDirty) && gotGrantData \|\| probeDirty && (req_get \|\| req.aliasTask.getOrElse(false.B))`
	`625`	`+ mp_grant.dsWen := gotGrantData \|\| probeDirty && (req_get \|\| req.aliasTask.getOrElse(false.B))`
`626`	`626`	`mp_grant.fromL2pft.foreach(_ := req.fromL2pft.get)`
`627`	`627`	`mp_grant.needHint.foreach(_ := false.B)`
`628`	`628`	`mp_grant.replTask := !dirResult.hit // Get and Alias are hit that does not need replacement`