From d0a572de9885b9c50ab1f429dafd03e76947edf8 Mon Sep 17 00:00:00 2001
From: Dolu1990 <charles.papon.90@gmail.com>
Date: Wed, 8 Jul 2020 01:37:10 +0200
Subject: [PATCH] Add openroad config

---
 src/main/scala/vexriscv/demo/OpenRoad.scala | 103 ++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 src/main/scala/vexriscv/demo/OpenRoad.scala

diff --git a/src/main/scala/vexriscv/demo/OpenRoad.scala b/src/main/scala/vexriscv/demo/OpenRoad.scala
new file mode 100644
index 0000000..3938eff
--- /dev/null
+++ b/src/main/scala/vexriscv/demo/OpenRoad.scala
@@ -0,0 +1,103 @@
+package vexriscv.demo
+
+import spinal.core._
+import vexriscv.ip.{DataCacheConfig, InstructionCacheConfig}
+import vexriscv.{Riscv, VexRiscv, VexRiscvConfig, plugin}
+import vexriscv.plugin.{BranchPlugin, CsrAccess, CsrPlugin, CsrPluginConfig, DBusCachedPlugin, DecoderSimplePlugin, FullBarrelShifterPlugin, HazardSimplePlugin, IBusCachedPlugin, IntAluPlugin, MmuPlugin, MmuPortConfig, MulDivIterativePlugin, MulPlugin, RegFilePlugin, STATIC, SrcPlugin, YamlPlugin}
+
+object OpenRoad extends App{
+
+  def linuxConfig = VexRiscvConfig(
+    withMemoryStage = true,
+    withWriteBackStage = true,
+    List(
+      //      new SingleInstructionLimiterPlugin(),
+      new IBusCachedPlugin(
+        resetVector = 0,
+        compressedGen = false,
+        prediction = vexriscv.plugin.NONE,
+        injectorStage = false,
+        config = InstructionCacheConfig(
+          cacheSize = 4096,
+          bytePerLine = 64,
+          wayCount = 1,
+          addressWidth = 32,
+          cpuDataWidth = 32,
+          memDataWidth = 32,
+          catchIllegalAccess = true,
+          catchAccessFault = true,
+          asyncTagMemory = true,
+          twoCycleRam = false,
+          twoCycleCache = true
+        ),
+        memoryTranslatorPortConfig = MmuPortConfig(
+          portTlbSize = 4
+        )
+      ),
+      new DBusCachedPlugin(
+        dBusCmdMasterPipe = true,
+        dBusCmdSlavePipe = true,
+        dBusRspSlavePipe = true,
+        config = new DataCacheConfig(
+          cacheSize         = 4096,
+          bytePerLine       = 64,
+          wayCount          = 1,
+          addressWidth      = 32,
+          cpuDataWidth      = 32,
+          memDataWidth      = 32,
+          catchAccessError  = true,
+          catchIllegal      = true,
+          catchUnaligned    = true,
+          asyncTagMemory = true,
+          withLrSc = true,
+          withAmo = true
+          //          )
+        ),
+        memoryTranslatorPortConfig = MmuPortConfig(
+          portTlbSize = 4
+        )
+      ),
+      new DecoderSimplePlugin(
+        catchIllegalInstruction = true
+      ),
+      new RegFilePlugin(
+        regFileReadyKind = plugin.SYNC,
+        zeroBoot = false,
+        x0Init = true
+      ),
+      new IntAluPlugin,
+      new SrcPlugin(
+        separatedAddSub = false
+      ),
+      new FullBarrelShifterPlugin(earlyInjection = true),
+      new HazardSimplePlugin(
+        bypassExecute           = true,
+        bypassMemory            = true,
+        bypassWriteBack         = true,
+        bypassWriteBackBuffer   = true,
+        pessimisticUseSrc       = false,
+        pessimisticWriteRegFile = false,
+        pessimisticAddressMatch = false
+      ),
+      new MulDivIterativePlugin(
+        genMul = true,
+        genDiv = true,
+        mulUnrollFactor = 32,
+        divUnrollFactor = 8
+      ),
+      new CsrPlugin(CsrPluginConfig.openSbi(0,Riscv.misaToInt("imas")).copy(ebreakGen = false, mtvecAccess = CsrAccess.READ_WRITE)), //mtvecAccess read required by freertos
+
+      new BranchPlugin(
+        earlyBranch = true,
+        catchAddressMisaligned = true,
+        fenceiGenAsAJump = false
+      ),
+      new MmuPlugin(
+        ioRange = (x => x(31))
+      ),
+      new YamlPlugin("cpu0.yaml")
+    )
+  )
+
+  SpinalConfig().addStandardMemBlackboxing(blackboxAllWhatsYouCan).generateVerilog(new VexRiscv(linuxConfig).setDefinitionName("VexRiscvMsuI4D4"))
+}