Merge pull request #2581 from chipsalliance/om-zfh

Teach OM about Zfh extension
chipsalliance · Jul 31, 2020 · 7def834 · 7def834
2 parents 97b8255 + 8484386
commit 7def834
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diff --git a/src/main/scala/diplomaticobjectmodel/logicaltree/RocketLogicalTreeNode.scala b/src/main/scala/diplomaticobjectmodel/logicaltree/RocketLogicalTreeNode.scala
@@ -86,7 +86,7 @@ class RocketLogicalTreeNode(
     Seq(OMRocketCore(
       isa = OMISA.rocketISA(tile, XLen, PgLevels),
       mulDiv =  coreParams.mulDiv.map{ md => OMMulDiv.makeOMI(md, XLen)},
-      fpu = coreParams.fpu.map{f => OMFPU(fLen = f.fLen)},
+      fpu = coreParams.fpu.map{f => OMFPU(fLen = f.fLen, minFLen = 32)},
       performanceMonitor = PerformanceMonitor.perfmon(coreParams),
       pmp = OMPMP.pmp(coreParams),
       documentationName = rocketParams.name.getOrElse("rocket"),

diff --git a/src/main/scala/diplomaticobjectmodel/model/OMFPU.scala b/src/main/scala/diplomaticobjectmodel/model/OMFPU.scala
@@ -4,5 +4,6 @@ package freechips.rocketchip.diplomaticobjectmodel.model
 
 case class OMFPU(
   fLen: Int,
+  minFLen: Int,
   _types: Seq[String] = Seq("OMFPU", "OMComponent", "OMCompoundType")
 ) extends OMComponent