refactor unittest framework

as a result, there's another SUITE that needs to run

.travis.yml

@@ -35,6 +35,7 @@ env:
   matrix:
     - SUITE=RocketSuite
     - SUITE=GroundtestSuite
+    - SUITE=UnittestSuite
 
 # blacklist private branches
 branches:

Makefrag

@@ -4,8 +4,8 @@ $(error Please set environment variable RISCV. Please take a look at README)
 endif
 
 MODEL ?= TestHarness
-PROJECT := rocketchip
+PROJECT ?= rocketchip
-CFG_PROJECT := $(PROJECT)
+CFG_PROJECT ?= $(PROJECT)
 CXX ?= g++
 CXXFLAGS := -O1
 

regression/Makefile

@@ -39,14 +39,20 @@ $(error Set SUITE to the regression suite you want to run)
 endif
 
 ifeq ($(SUITE),RocketSuite)
+PROJECT=rocketchip
 CONFIGS=DefaultConfig DefaultL2Config DefaultBufferlessConfig TinyConfig
 endif
 
 ifeq ($(SUITE),GroundtestSuite)
+PROJECT=rocketchip
 CONFIGS=MemtestConfig MemtestBufferlessConfig MemtestStatelessConfig FancyMemtestConfig \
 	BroadcastRegressionTestConfig BufferlessRegressionTestConfig CacheRegressionTestConfig \
-	ComparatorConfig ComparatorBufferlessConfig ComparatorL2Config ComparatorStatelessConfig \
+	ComparatorConfig ComparatorBufferlessConfig ComparatorL2Config ComparatorStatelessConfig
-	UnitTestConfig
+endif
+
+ifeq ($(SUITE),UnittestSuite)
+PROJECT=rocketchip.utest
+CONFIGS=UnitTestConfig
 endif
 
 ifeq ($(SUITE), JtagDtmSuite)
@@ -117,65 +123,65 @@ $(RISCV)/install.stamp:
 # Builds the various simulators
 stamps/%/emulator-verilog.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV)) verilog
+	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) verilog
 	date > $@
 
 stamps/%/emulator-ndebug.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV))
+	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV))
 	date > $@
 
 stamps/%/emulator-debug.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV)) debug
+	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) debug
 	date > $@
 
 stamps/%/vsim-verilog.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV)) verilog
+	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) verilog
 	date > $@
 
 stamps/%/vsim-ndebug.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV))
+	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV))
 	date > $@
 
 stamps/%/vsim-debug.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV)) debug
+	+flock -x $(dir $@)/chisel-lock $(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) debug
 	date > $@
 
 # Runs tests on one of the simulators
 stamps/%/emulator-asm-tests.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV)) run-asm-tests-fast
+	$(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) run-asm-tests-fast
 	date > $@
 
 stamps/%/emulator-bmark-tests.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV)) run-bmark-tests-fast
+	$(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) run-bmark-tests-fast
 	date > $@
 
 stamps/%/emulator-regression-tests.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV)) clean-run-output
+	$(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) clean-run-output
-	$(MAKE) -C $(abspath $(TOP))/emulator CONFIG=$* RISCV=$(abspath $(RISCV)) run-regression-tests-fast
+	$(MAKE) -C $(abspath $(TOP))/emulator PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) run-regression-tests-fast
 	date > $@
 
 stamps/%/vsim-asm-tests.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV)) run-asm-tests-fast
+	$(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) run-asm-tests-fast
 	date > $@
 
 stamps/%/vsim-bmark-tests.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV)) run-bmark-tests-fast
+	$(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) run-bmark-tests-fast
 	date > $@
 
 stamps/%/vsim-regression-tests.stamp: stamps/other-submodules.stamp $(RISCV)/install.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV)) clean-run-output
+	$(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) clean-run-output
-	$(MAKE) -C $(abspath $(TOP))/vsim CONFIG=$* RISCV=$(abspath $(RISCV)) run-regression-tests-fast
+	$(MAKE) -C $(abspath $(TOP))/vsim PROJECT=$(PROJECT) CONFIG=$* RISCV=$(abspath $(RISCV)) run-regression-tests-fast
 	date > $@
 
 # The torture tests run subtly differently on the different targets, so they

src/main/scala/coreplex/UnitTest.scala

@@ -1,26 +0,0 @@
-package coreplex
-
-import Chisel._
-import unittest.UnitTestSuite
-import rocket.Tile
-import uncore.tilelink.TLId
-import cde.Parameters
-
-class UnitTestCoreplex(tp: Parameters, tc: CoreplexConfig) extends Coreplex()(tp, tc) {
-  require(tc.nSlaves == 0)
-  require(tc.nMemChannels == 0)
-
-  io.master.mmio.foreach { port =>
-    port.acquire.valid := Bool(false)
-    port.grant.ready := Bool(false)
-  }
-
-  io.debug.req.ready := Bool(false)
-  io.debug.resp.valid := Bool(false)
-
-  val l1params = p.alterPartial({ case TLId => "L1toL2" })
-  val tests = Module(new UnitTestSuite()(l1params))
-
-  override def hasSuccessFlag = true
-  io.success.get := tests.io.finished
-}

src/main/scala/rocketchip/TestConfigs.scala

@@ -7,7 +7,6 @@ import uncore.tilelink._
 import uncore.coherence._
 import uncore.agents._
 import uncore.devices.NTiles
-import unittest._
 import junctions._
 import scala.collection.mutable.LinkedHashSet
 import scala.collection.immutable.HashMap
@@ -16,29 +15,6 @@ import scala.math.max
 import coreplex._
 import ConfigUtils._
 
-class WithUnitTest extends Config(
-  (pname, site, here) => pname match {
-    case BuildCoreplex => {
-      val groundtest = if (site(XLen) == 64)
-        DefaultTestSuites.groundtest64
-      else
-        DefaultTestSuites.groundtest32
-      TestGeneration.addSuite(groundtest("p"))
-      TestGeneration.addSuite(DefaultTestSuites.emptyBmarks)
-      (p: Parameters, c: CoreplexConfig) => Module(new UnitTestCoreplex(p, c))
-    }
-    case UnitTests => (testParams: Parameters) =>
-      JunctionsUnitTests(testParams) ++ UncoreUnitTests(testParams)
-    case NMemoryChannels => Dump("N_MEM_CHANNELS", 0)
-    case FPUKey => None
-    case UseAtomics => false
-    case UseCompressed => false
-    case RegressionTestNames => LinkedHashSet("rv64ui-p-simple")
-    case _ => throw new CDEMatchError
-  })
-
-class UnitTestConfig extends Config(new WithUnitTest ++ new BaseConfig)
-
 class WithGroundTest extends Config(
   (pname, site, here) => pname match {
     case BuildCoreplex =>

src/main/scala/rocketchip/UnitTest.scala

@@ -0,0 +1,46 @@
+// See LICENSE for license details.
+
+package rocketchip.utest
+
+import scala.collection.mutable.LinkedHashSet
+
+import Chisel._
+import cde.{Parameters, Config, Dump, Knob, CDEMatchError}
+import util.{ParameterizedBundle}
+import rocket._
+import uncore.tilelink._
+import uncore.tilelink2.{LazyModule, LazyModuleImp}
+import coreplex._
+import rocketchip._
+import unittest._
+
+class WithUnitTest extends Config(
+  (pname, site, here) => pname match {
+    case UnitTests => (testParams: Parameters) => {
+      val groundtest = if (site(XLen) == 64)
+        DefaultTestSuites.groundtest64
+      else
+        DefaultTestSuites.groundtest32
+      TestGeneration.addSuite(groundtest("p"))
+      TestGeneration.addSuite(DefaultTestSuites.emptyBmarks)
+      JunctionsUnitTests(testParams) ++ UncoreUnitTests(testParams)
+    }
+    case RegressionTestNames => LinkedHashSet("rv64ui-p-simple")
+    case _ => throw new CDEMatchError
+  })
+
+class UnitTestConfig extends Config(new WithUnitTest ++ new BaseConfig)
+
+class TestHarness(implicit val p: Parameters) extends Module {
+  val io = new Bundle {
+    val success = Bool(OUTPUT)
+  }
+
+  p(NCoreplexExtClients).assign(0)
+  p(ConfigString).assign("")
+
+  val l1params = p.alterPartial({ case TLId => "L1toL2" })
+  val tests = Module(new UnitTestSuite()(l1params))
+
+  io.success := tests.io.finished
+}