From a3684d01dd57b871dc8f98e8f51e1907339bc179 Mon Sep 17 00:00:00 2001
From: Howard Mao <zhehao.mao@gmail.com>
Date: Fri, 20 Apr 2018 11:18:18 -0700
Subject: [PATCH] use build.sbt instead of jar files to collect packages

---
 Makefrag           | 29 +++++++----------------------
 build.sbt          | 21 +++++++++++++++++----
 generate-pkg-mk.sh | 16 ----------------
 3 files changed, 24 insertions(+), 42 deletions(-)
 delete mode 100755 generate-pkg-mk.sh

diff --git a/Makefrag b/Makefrag
index 17fe7b72..4594c7f5 100644
--- a/Makefrag
+++ b/Makefrag
@@ -1,35 +1,20 @@
-lib_dir=$(base_dir)/lib
-
 ROCKETCHIP_DIR=$(base_dir)/rocket-chip
-EXTRA_PACKAGES=testchipip
 
-rocketchip_stamp=$(base_dir)/lib/rocketchip.stamp
 SBT ?= java -Xmx2G -Xss8M -XX:MaxPermSize=256M -jar $(ROCKETCHIP_DIR)/sbt-launch.jar
-extra_stamps = $(addprefix $(lib_dir)/,$(addsuffix .stamp,$(EXTRA_PACKAGES)))
 
 lookup_scala_srcs = $(shell find $(1)/ -iname "*.scala" 2> /dev/null)
 
-libs: $(rocketchip_stamp) $(extra_stamps)
+PACKAGES=rocket-chip testchipip
+SCALA_SOURCES=$(foreach pkg,$(PACKAGES),$(call lookup_scala_srcs,$(base_dir)/$(pkg)/src/main/scala)) $(call lookup_scala_srcs,$(base_dir)/src/main/scala)
 
-ROCKETCHIP_JAR = $(lib_dir)/rocketchip_2.11-1.2.jar
-FIRRTL_JAR ?= $(ROCKETCHIP_DIR)/firrtl/utils/bin/firrtl.jar
-FIRRTL ?= java -Xmx2G -Xss8M -XX:MaxPermSize=256M -cp $(ROCKETCHIP_JAR):$(FIRRTL_JAR) firrtl.Driver
-
-$(rocketchip_stamp): $(call lookup_scala_srcs, $(ROCKETCHIP_DIR)) $(FIRRTL_JAR)
-	cd $(ROCKETCHIP_DIR) && $(SBT) pack
-	mkdir -p $(lib_dir)
-	cp $(ROCKETCHIP_DIR)/target/pack/lib/*.jar $(lib_dir)
-	touch $(rocketchip_stamp)
-
--include $(base_dir)/Makefrag.pkgs
-
-$(base_dir)/Makefrag.pkgs: $(base_dir)/generate-pkg-mk.sh
-	bash $(base_dir)/generate-pkg-mk.sh $(EXTRA_PACKAGES) > $@
+ROCKET_CLASSES ?= "$(ROCKETCHIP_DIR)/target/scala-2.11/classes:$(ROCKETCHIP_DIR)/chisel3/target/scala-2.11/*"
+FIRRTL_JAR ?= $(ROCKETCHIP_DIR)/lib/firrtl.jar
+FIRRTL ?= java -Xmx2G -Xss8M -XX:MaxPermSize=256M -cp $(ROCKET_CLASSES):$(FIRRTL_JAR) firrtl.Driver
 
 $(FIRRTL_JAR): $(call lookup_scala_srcs, $(ROCKETCHIP_DIR)/firrtl/src/main/scala)
 	$(MAKE) -C $(ROCKETCHIP_DIR)/firrtl SBT="$(SBT)" root_dir=$(ROCKETCHIP_DIR)/firrtl build-scala
 	mkdir -p $(ROCKETCHIP_DIR)/lib
-	cp -p $(FIRRTL_JAR) $(ROCKETCHIP_DIR)/lib
+	cp -p $(ROCKETCHIP_DIR)/firrtl/utils/bin/firrtl.jar $(FIRRTL_JAR)
 
 build_dir=$(sim_dir)/generated-src
 testchip_dir = $(base_dir)/testchipip
@@ -42,7 +27,7 @@ FIRRTL_FILE=$(build_dir)/$(PROJECT).$(MODEL).$(CONFIG).fir
 ANNO_FILE=$(build_dir)/$(PROJECT).$(MODEL).$(CONFIG).anno
 VERILOG_FILE=$(build_dir)/$(PROJECT).$(MODEL).$(CONFIG).v
 
-$(FIRRTL_FILE) $(ANNO_FILE): $(rocketchip_stamp) $(extra_stamps) $(call lookup_scala_srcs,$(base_dir)/src/main/scala) $(bootrom_img)
+$(FIRRTL_FILE) $(ANNO_FILE): $(SCALA_SOURCES) $(bootrom_img) $(FIRRTL_JAR)
 	mkdir -p $(build_dir)
 	cd $(base_dir) && $(SBT) "runMain $(PROJECT).Generator $(CHISEL_ARGS) $(build_dir) $(PROJECT) $(MODEL) $(CFG_PROJECT) $(CONFIG)"
 
diff --git a/build.sbt b/build.sbt
index c509aac8..1cc3a955 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,20 @@
-organization := "edu.berkeley.cs"
+lazy val commonSettings = Seq(
+  organization := "edu.berkeley.cs",
+  version := "1.0",
+  scalaVersion := "2.11.12",
+  traceLevel := 15,
+  scalacOptions ++= Seq("-deprecation","-unchecked"),
+  libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.1" % "test",
+  libraryDependencies += "org.json4s" %% "json4s-native" % "3.5.3",
+  libraryDependencies += "org.scala-lang" % "scala-reflect" % scalaVersion.value,
+  addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full),
+  resolvers ++= Seq(
+    Resolver.sonatypeRepo("snapshots"),
+    Resolver.sonatypeRepo("releases"),
+    Resolver.mavenLocal))
 
-version := "1.0"
+lazy val rocketchip = RootProject(file("rocket-chip"))
 
-name := "testchip-example"
+lazy val testchipip = project.settings(commonSettings).dependsOn(rocketchip)
 
-scalaVersion := "2.11.12"
+lazy val example = (project in file(".")).settings(commonSettings).dependsOn(testchipip)
diff --git a/generate-pkg-mk.sh b/generate-pkg-mk.sh
deleted file mode 100755
index dd413896..00000000
--- a/generate-pkg-mk.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/sh
-
-base_dir=$(dirname $0)
-
-for pkg in $@
-do
-    pkg_dir="${base_dir}/${pkg}"
-    cat <<MAKE
-${base_dir}/lib/${pkg}.stamp: \$(call lookup_scala_srcs, ${pkg_dir}) \$(rocketchip_stamp)
-	rm -f ${pkg_dir}/lib
-	ln -s ${base_dir}/lib ${pkg_dir}/lib
-	cd ${pkg_dir} && \$(SBT) package
-	cp ${pkg_dir}/target/scala-2.11/*.jar ${base_dir}/lib
-	touch \$@
-MAKE
-done