Add ice40 synthesis results

README.md

@@ -67,21 +67,25 @@ VexRiscv smallest (RV32I, 0.52 DMIPS/Mhz, no datapath bypass, no interrupt) ->
   Artix 7    -> 346 Mhz 481 LUT 539 FF
   Cyclone V  -> 201 Mhz 347 ALMs
   Cyclone IV -> 190 Mhz 673 LUT 529 FF 
+  iCE40      -> 81 Mhz 1130 LC
   
 VexRiscv smallest (RV32I, 0.52 DMIPS/Mhz, no datapath bypass) ->
   Artix 7    -> 340 Mhz 562 LUT 589 FF 
   Cyclone V  -> 202 Mhz 387 ALMs
   Cyclone IV -> 180 Mhz 780 LUT 579 FF 
+  iCE40      -> 71 Mhz 1278 LC
   
 VexRiscv small and productive (RV32I, 0.82 DMIPS/Mhz)  ->
   Artix 7    -> 327 Mhz 698 LUT 558 FF 
   Cyclone V  -> 158 Mhz 524 ALMs
   Cyclone IV -> 146 Mhz 1,061 LUT 552 FF 
-
+  iCE40      -> 55 Mhz 1541 LC
+  
 VexRiscv small and productive with I$ (RV32I, 0.72 DMIPS/Mhz, 4KB-I$)  ->
   Artix 7    -> 331 Mhz 727 LUT 600 FF 
   Cyclone V  -> 152 Mhz 536 ALMs
   Cyclone IV -> 156 Mhz 1,075 LUT 565 FF 
+  iCE40      -> 54 Mhz 1686 LC
 
 VexRiscv full no cache (RV32IM, 1.22 DMIPS/Mhz, single cycle barrel shifter, debug module, catch exceptions, static branch) ->
   Artix 7    -> 295 Mhz 1399 LUT 971 FF 

src/main/scala/spinal/lib/eda/icestorm/IcestormFlow.scala

@@ -0,0 +1,171 @@
+package spinal.lib.eda.icestorm
+import spinal.lib.eda._
+import spinal.lib.eda.bench.{Report, Rtl, Target}
+
+import scala.collection.mutable.ArrayBuffer
+import java.io.File
+import java.nio.file.Paths
+
+import org.apache.commons.io.FileUtils
+import spinal.core._
+import spinal.lib.StreamFifo
+import spinal.lib.eda.bench.Report
+
+import scala.sys.process._
+
+object IcestormFlow {
+  def doCmd(cmd : Seq[String], path : String): String ={
+    println(cmd)
+    val str =  new StringBuilder()
+    val log = new ProcessLogger {
+      override def err(s: => String): Unit = {
+        str ++= s
+        stderr.println(s)
+      }
+
+      override def out(s: => String): Unit = {
+        str ++= s
+        stdout.println(s)
+      }
+
+      override def buffer[T](f: => T) = f
+    }
+    if(isWindows)
+      Process("cmd /C " + cmd, new java.io.File(path)) !(log)
+    else
+      Process.apply(cmd, new java.io.File(path)) !(log)
+
+    return str.toString()
+  }
+
+  val isWindows = System.getProperty("os.name").toLowerCase().contains("win")
+
+  def apply(workspacePath : String,toplevelPath : String,family : String,device : String, pack : String) : Report = {
+    val projectName = toplevelPath.split("/").last.split("[.]").head
+
+
+
+    val workspacePathFile = new File(workspacePath)
+    FileUtils.deleteDirectory(workspacePathFile)
+    workspacePathFile.mkdir()
+    FileUtils.copyFileToDirectory(new File(toplevelPath), workspacePathFile)
+    doCmd(List("yosys", "-v3", "-p", s"synth_ice40 -top $projectName -blif ${projectName}.blif", s"$projectName.v" ), workspacePath)
+    val arachne = doCmd(List("arachne-pnr", "-d", device.replace("hx",""), "--max-passes", "600", "-P", pack, s"$projectName.blif" ,"-o", s"$projectName.asc"), workspacePath)
+    doCmd(List("icepack", s"$projectName.asc", s"$projectName.bin"), workspacePath)
+    val icetime = doCmd(List("icetime", "-tmd", device, s"${projectName}.asc"), workspacePath)
+    new Report{
+      val intFind = "(\\d+,?)+".r
+      val fMaxReg = """[-+]?(\d*[.])?\d+""".r
+      override def getFMax() = {
+        try {
+          fMaxReg.findAllMatchIn("Total path delay: [^\\n]* MHz".r.findFirstIn(icetime).get).drop(1).next.toString().toDouble * 1e6
+        } catch {
+          case e : Throwable => -1
+        }
+      }
+      override def getArea() = {
+        try {
+          intFind.findFirstIn("LCs[^\\n]*\\/".r.findFirstIn(arachne).get).get.toString() + " LC"
+        } catch {
+          case e : Throwable => "error"
+        }
+      }
+    }
+//    mkdir -p bin
+//      rm -f Murax.v*.bin
+//    cp ../../../Murax.v*.bin . | true
+//    yosys -v3 -p "synth_ice40 -top toplevel -blif bin/toplevel.blif" ${VERILOG}
+//
+//    val isVhdl = toplevelPath.endsWith(".vhd") || toplevelPath.endsWith(".vhdl")
+//
+//    val tcl = new java.io.FileWriter(Paths.get(workspacePath,"doit.tcl").toFile)
+//    tcl.write(
+//      s"""read_${if(isVhdl) "vhdl" else "verilog"} $toplevelPath
+//read_xdc doit.xdc
+//
+//synth_design -part $device -top ${toplevelPath.split("\\.").head}
+//opt_design
+//place_design
+//route_design
+//
+//report_utilization
+//report_timing"""
+//    )
+//
+//    tcl.flush();
+//    tcl.close();
+//
+//
+//    val xdc = new java.io.FileWriter(Paths.get(workspacePath,"doit.xdc").toFile)
+//    xdc.write(s"""create_clock -period ${(targetPeriod*1e9) toBigDecimal} [get_ports clk]""")
+//
+//    xdc.flush();
+//    xdc.close();
+//
+//    doCmd(s"$vivadoPath/vivado -nojournal -log doit.log -mode batch -source doit.tcl", workspacePath)
+//
+//    new Report{
+//      override def getFMax(): Double =  {
+//        import scala.io.Source
+//        val report = Source.fromFile(Paths.get(workspacePath,"doit.log").toFile).getLines.mkString
+//        val intFind = "-?(\\d+\\.?)+".r
+//        val slack = try {
+//          (family match {
+//            case "Artix 7" =>
+//              intFind.findFirstIn("-?(\\d+.?)+ns  \\(required time - arrival time\\)".r.findFirstIn(report).get).get
+//          }).toDouble
+//        }catch{
+//          case e : Exception => -1.0
+//        }
+//        return 1.0/(targetPeriod.toDouble-slack*1e-9)
+//      }
+//      override def getArea(): String =  {
+//        import scala.io.Source
+//        val report = Source.fromFile(Paths.get(workspacePath,"doit.log").toFile).getLines.mkString
+//        val intFind = "(\\d+,?)+".r
+//        val leArea = try {
+//          family match {
+//            case "Artix 7" =>
+//              intFind.findFirstIn("Slice LUTs[ ]*\\|[ ]*(\\d+,?)+".r.findFirstIn(report).get).get + " LUT " +
+//                intFind.findFirstIn("Slice Registers[ ]*\\|[ ]*(\\d+,?)+".r.findFirstIn(report).get).get + " FF "
+//          }
+//        }catch{
+//          case e : Exception => "???"
+//        }
+//        return leArea
+//      }
+//    }
+  }
+
+  def main(args: Array[String]) {
+    SpinalVerilog(StreamFifo(Bits(8 bits), 64))
+    val report = IcestormFlow(
+      workspacePath="/home/spinalvm/tmp",
+      toplevelPath="VexRiscv.v",
+      family="iCE40",
+      device="hx8k",
+      pack = "ct256"
+    )
+    println(report.getArea())
+    println(report.getFMax())
+  }
+}
+
+object IcestormStdTargets {
+  def apply(): Seq[Target] = {
+    val targets = ArrayBuffer[Target]()
+    targets += new Target {
+      override def getFamilyName(): String = "iCE40"
+      override def synthesise(rtl: Rtl, workspace: String): Report = {
+         IcestormFlow(
+          workspacePath=workspace,
+          toplevelPath=rtl.getRtlPath(),
+          family=getFamilyName(),
+           device="hx8k",
+           pack = "ct256"
+        )
+      }
+    }
+    targets
+  }
+}

src/main/scala/vexriscv/demo/SynthesisBench.scala

@@ -2,8 +2,9 @@ package vexriscv.demo
 
 import spinal.core._
 import spinal.lib.eda.bench._
+import spinal.lib.eda.icestorm.IcestormStdTargets
 import vexriscv.VexRiscv
-import vexriscv.plugin.DecoderSimplePlugin
+import vexriscv.plugin.{DecoderSimplePlugin, KeepAttribute}
 
 import scala.collection.mutable.ArrayBuffer
 
@@ -14,6 +15,11 @@ object VexRiscvSynthesisBench {
   def main(args: Array[String]) {
 
     def wrap(that : => Component) : Component = that
+//    def wrap(that : => Component) : Component = {
+//      val c = that
+//      c.getAllIo.foreach(io => KeepAttribute(io.asDirectionLess()))
+//      c
+//    }
 //    Wrap with input/output registers
 //        def wrap(that : => Component) : Component = {
 //          //new WrapWithReg.Wrapper(that)
@@ -105,8 +111,9 @@ object VexRiscvSynthesisBench {
     ) ++ AlteraStdTargets(
       quartusCycloneIVPath = "/eda/intelFPGA_lite/17.0/quartus/bin",
       quartusCycloneVPath  = "/eda/intelFPGA_lite/17.0/quartus/bin"
-    )
+    ) ++  IcestormStdTargets()
 
+//    val targets = IcestormStdTargets()
     Bench(rtls, targets, "/eda/tmp/")
   }
 }