From e21dc6cda51ff0848d3ee654f5a372519b1821ac Mon Sep 17 00:00:00 2001
From: Dolu1990 <charles.papon.90@gmail.com>
Date: Wed, 20 Sep 2023 09:08:18 +0200
Subject: [PATCH] litex add hardwarebreapoint parameter

---
 src/main/scala/vexriscv/demo/smp/VexRiscvSmpCluster.scala  | 4 +++-
 .../scala/vexriscv/demo/smp/VexRiscvSmpLitexCluster.scala  | 7 +++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/main/scala/vexriscv/demo/smp/VexRiscvSmpCluster.scala b/src/main/scala/vexriscv/demo/smp/VexRiscvSmpCluster.scala
index b93e5f4..854828f 100644
--- a/src/main/scala/vexriscv/demo/smp/VexRiscvSmpCluster.scala
+++ b/src/main/scala/vexriscv/demo/smp/VexRiscvSmpCluster.scala
@@ -32,7 +32,8 @@ case class VexRiscvSmpClusterParameter(cpuConfigs : Seq[VexRiscvConfig],
                                        forcePeripheralWidth : Boolean = true,
                                        outOfOrderDecoder : Boolean = true,
                                        fpu : Boolean = false,
-                                       privilegedDebug : Boolean = false)
+                                       privilegedDebug : Boolean = false,
+                                       hardwareBreakpoints : Int = 0)
 
 class VexRiscvSmpClusterBase(p : VexRiscvSmpClusterParameter) extends Area with PostInitCallback{
   val cpuCount = p.cpuConfigs.size
@@ -85,6 +86,7 @@ class VexRiscvSmpClusterBase(p : VexRiscvSmpClusterParameter) extends Area with
       cpu.dBus -> List(dBusCoherent.bmb)
     )
 
+    cpu.hardwareBreakpointCount.load(p.hardwareBreakpoints)
     if(!p.privilegedDebug) {
       cpu.enableDebugBmb(
         debugCd = debugCd.outputClockDomain,
diff --git a/src/main/scala/vexriscv/demo/smp/VexRiscvSmpLitexCluster.scala b/src/main/scala/vexriscv/demo/smp/VexRiscvSmpLitexCluster.scala
index a314177..9a8aefe 100644
--- a/src/main/scala/vexriscv/demo/smp/VexRiscvSmpLitexCluster.scala
+++ b/src/main/scala/vexriscv/demo/smp/VexRiscvSmpLitexCluster.scala
@@ -114,6 +114,7 @@ object VexRiscvLitexSmpClusterCmdGen extends App {
   var iCacheWays = 2
   var dCacheWays = 2
   var privilegedDebug = false
+  var hardwareBreakpoints = 0
   var liteDramWidth = 128
   var coherentDma = false
   var wishboneMemory = false
@@ -130,7 +131,7 @@ object VexRiscvLitexSmpClusterCmdGen extends App {
   var exposeTime = false
   assert(new scopt.OptionParser[Unit]("VexRiscvLitexSmpClusterCmdGen") {
     help("help").text("prints this usage text")
-    opt[Unit]("coherent-dma") action { (v, c) => coherentDma = true }
+    opt[Unit]  ("coherent-dma") action { (v, c) => coherentDma = true }
     opt[String]("cpu-count") action { (v, c) => cpuCount = v.toInt }
     opt[String]("ibus-width") action { (v, c) => iBusWidth = v.toInt }
     opt[String]("dbus-width") action { (v, c) => dBusWidth = v.toInt }
@@ -139,6 +140,7 @@ object VexRiscvLitexSmpClusterCmdGen extends App {
     opt[String]("icache-ways") action { (v, c) => iCacheWays = v.toInt }
     opt[String]("dcache-ways") action { (v, c) => dCacheWays = v.toInt }
     opt[Boolean]("privileged-debug") action { (v, c) => privilegedDebug = v }
+    opt[Int]   ("hardware-breakpoints") action { (v, c) => hardwareBreakpoints = v }
     opt[String]("litedram-width") action { (v, c) => liteDramWidth = v.toInt }
     opt[String]("netlist-directory") action { (v, c) => netlistDirectory = v }
     opt[String]("netlist-name") action { (v, c) => netlistName = v }
@@ -189,7 +191,8 @@ object VexRiscvLitexSmpClusterCmdGen extends App {
       outOfOrderDecoder = outOfOrderDecoder,
       fpu = fpu,
       jtagHeaderIgnoreWidth = 0,
-      privilegedDebug = privilegedDebug
+      privilegedDebug = privilegedDebug,
+      hardwareBreakpoints = hardwareBreakpoints
     ),
     liteDram = LiteDramNativeParameter(addressWidth = 32, dataWidth = liteDramWidth),
     liteDramMapping = SizeMapping(0x40000000l, 0x40000000l),