[VTA][Chisel] Change Scala Linter scalafmt => scalastyle

vta/apps/tsim_example/hardware/chisel/Makefile

@@ -94,7 +94,8 @@ endif
 default: lint lib
 
 lint:
-	sbt scalafmt
+	cp $(vta_dir)/hardware/chisel/scalastyle-config.xml .
+	sbt scalastyle
 
 lib: $(lib_path)
 $(lib_path): $(verilator_build_dir)/V$(TOP).cpp

vta/apps/tsim_example/hardware/chisel/project/plugins.sbt

@@ -18,4 +18,4 @@
  */
 
 logLevel := Level.Warn
-addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
+addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "1.0.0")

vta/apps/tsim_example/hardware/chisel/src/main/scala/accel/Accel.scala

@@ -23,18 +23,18 @@ import chisel3._
 import vta.dpi._
 
 /** Add-by-one accelerator.
-  *
-  * ___________      ___________
-  * |         |      |         |
-  * | HostDPI | <--> | RegFile | <->|
-  * |_________|      |_________|    |
-  *                                 |
-  * ___________      ___________    |
-  * |         |      |         |    |
-  * | MemDPI  | <--> | Compute | <->|
-  * |_________|      |_________|
-  *
-  */
+ *
+ * ___________      ___________
+ * |         |      |         |
+ * | HostDPI | <--> | RegFile | <->|
+ * |_________|      |_________|    |
+ *                                 |
+ * ___________      ___________    |
+ * |         |      |         |    |
+ * | MemDPI  | <--> | Compute | <->|
+ * |_________|      |_________|
+ *
+ */
 case class AccelConfig() {
   val nCtrl = 1
   val nECnt = 1

vta/apps/tsim_example/hardware/chisel/src/main/scala/accel/Compute.scala

@@ -24,17 +24,17 @@ import chisel3.util._
 import vta.dpi._
 
 /** Compute
-  *
-  * Add-by-one procedure:
-  *
-  * 1. Wait for launch to be asserted
-  * 2. Issue a read request for 8-byte value at inp_baddr address
-  * 3. Wait for the value
-  * 4. Issue a write request for 8-byte value at out_baddr address
-  * 5. Increment read-address and write-address for next value
-  * 6. Check if counter (cnt) is equal to length to assert finish,
-  *    otherwise go to step 2.
-  */
+ *
+ * Add-by-one procedure:
+ *
+ * 1. Wait for launch to be asserted
+ * 2. Issue a read request for 8-byte value at inp_baddr address
+ * 3. Wait for the value
+ * 4. Issue a write request for 8-byte value at out_baddr address
+ * 5. Increment read-address and write-address for next value
+ * 6. Check if counter (cnt) is equal to length to assert finish,
+ *    otherwise go to step 2.
+ */
 class Compute(implicit config: AccelConfig) extends Module {
   val io = IO(new Bundle {
     val launch = Input(Bool())

vta/apps/tsim_example/hardware/chisel/src/main/scala/accel/RegFile.scala

@@ -24,29 +24,29 @@ import chisel3.util._
 import vta.dpi._
 
 /** Register File.
-  *
-  * Six 32-bit register file.
-  *
-  * -------------------------------
-  *  Register description    | addr
-  * -------------------------|-----
-  *  Control status register | 0x00
-  *  Cycle counter           | 0x04
-  *  Constant value          | 0x08
-  *  Vector length           | 0x0c
-  *  Input pointer lsb       | 0x10
-  *  Input pointer msb       | 0x14
-  *  Output pointer lsb      | 0x18
-  *  Output pointer msb      | 0x1c
-  * -------------------------------
-
-  * ------------------------------
-  *  Control status register | bit
-  * ------------------------------
-  *  Launch                  | 0
-  *  Finish                  | 1
-  * ------------------------------
-  */
+ *
+ * Six 32-bit register file.
+ *
+ * -------------------------------
+ *  Register description    | addr
+ * -------------------------|-----
+ *  Control status register | 0x00
+ *  Cycle counter           | 0x04
+ *  Constant value          | 0x08
+ *  Vector length           | 0x0c
+ *  Input pointer lsb       | 0x10
+ *  Input pointer msb       | 0x14
+ *  Output pointer lsb      | 0x18
+ *  Output pointer msb      | 0x1c
+ * -------------------------------
+ *
+ * ------------------------------
+ *  Control status register | bit
+ * ------------------------------
+ *  Launch                  | 0
+ *  Finish                  | 1
+ * ------------------------------
+ */
 class RegFile(implicit config: AccelConfig) extends Module {
   val io = IO(new Bundle {
     val launch = Output(Bool())
@@ -98,9 +98,8 @@ class RegFile(implicit config: AccelConfig) extends Module {
   }
 
   for (i <- 0 until (config.nVals + (2 * config.nPtrs))) {
-    when(
-      state === sIdle && io.host.req.valid &&
-        io.host.req.opcode && addr(vo + i).U === io.host.req.addr) {
+    when(state === sIdle && io.host.req.valid &&
+      io.host.req.opcode && addr(vo + i).U === io.host.req.addr) {
       reg(vo + i) := io.host.req.value
     }
   }

vta/hardware/chisel/Makefile

@@ -112,7 +112,7 @@ endif
 default: lint lib
 
 lint:
-	sbt scalafmt --test
+	sbt scalastyle
 
 lib: $(lib_path)
 

vta/hardware/chisel/project/plugins.sbt

@@ -18,4 +18,4 @@
  */
 
 logLevel := Level.Warn
-addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")
+addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "1.0.0")

vta/hardware/chisel/scalastyle-config.xml

@@ -0,0 +1,128 @@
+<scalastyle>
+ <name>Scalastyle standard configuration</name>
+ <check level="error" class="org.scalastyle.file.FileTabChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.file.FileLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxFileLength"><![CDATA[800]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.file.HeaderMatchesChecker" enabled="true">
+  <parameters>
+   <parameter name="header"><![CDATA[/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.file.FileLineLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxLineLength"><![CDATA[120]]></parameter>
+   <parameter name="tabSize"><![CDATA[2]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.ClassNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.ObjectNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.PackageObjectNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[^[a-z][A-Za-z]*$]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.EqualsHashCodeChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.IllegalImportsChecker" enabled="true">
+  <parameters>
+   <parameter name="illegalImports"><![CDATA[sun._,java.awt._]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.ParameterNumberChecker" enabled="true">
+  <parameters>
+   <parameter name="maxParameters"><![CDATA[8]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.MagicNumberChecker" enabled="false">
+  <parameters>
+   <parameter name="ignore"><![CDATA[-1,0,1,2,3,4,8,16,32,64,128]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.ReturnChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.NullChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.NoCloneChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.NoFinalizeChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[println]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.NumberOfTypesChecker" enabled="true">
+  <parameters>
+   <parameter name="maxTypes"><![CDATA[30]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.CyclomaticComplexityChecker" enabled="true">
+  <parameters>
+   <parameter name="maximum"><![CDATA[10]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.SimplifyBooleanExpressionChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.scalariform.IfBraceChecker" enabled="false">
+  <parameters>
+   <parameter name="singleLineAllowed"><![CDATA[true]]></parameter>
+   <parameter name="doubleLineAllowed"><![CDATA[false]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.MethodLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxLength"><![CDATA[50]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.MethodNamesChecker" enabled="false">
+  <parameters>
+   <parameter name="regex"><![CDATA[^[a-z][A-Za-z0-9]*$]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.NumberOfMethodsInTypeChecker" enabled="true">
+  <parameters>
+   <parameter name="maxMethods"><![CDATA[30]]></parameter>
+  </parameters>
+ </check>
+ <check level="error" class="org.scalastyle.scalariform.PublicMethodsHaveTypeChecker" enabled="false"></check>
+ <check level="error" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"></check>
+ <check level="error" class="org.scalastyle.file.NoNewLineAtEofChecker" enabled="false"></check>
+ <check level="error" class="org.scalastyle.file.IndentationChecker" enabled="true">
+   <parameters>
+     <parameter name="tabSize">2</parameter>
+     <parameter name="methodParamIndentSize">2</parameter>
+     <parameter name="classParamIndentSize">4</parameter>
+   </parameters>
+ </check>
+</scalastyle>