Add floorplan compiler

build.sbt

@@ -15,6 +15,9 @@ lazy val commonSettings = Seq(
   },
   libraryDependencies ++= Seq(
     "org.scalatest" %% "scalatest" % "3.2.2" % "test",
+    "org.json4s" %% "json4s-jackson" % "3.6.1",
+    "org.json4s" %% "json4s-ext" % "3.6.1",
+    "org.json4s" %% "json4s-native" % "3.6.1",
   ),
   resolvers ++= Seq(
     Resolver.sonatypeRepo("snapshots"),
@@ -34,8 +37,12 @@ lazy val macros = (project in file("macros"))
   )
   .enablePlugins(sbtassembly.AssemblyPlugin)
 
+lazy val floorplan = (project in file("floorplan"))
+  .settings(commonSettings)
+
 lazy val tapeout = (project in file("tapeout"))
+  .dependsOn(floorplan)
   .settings(commonSettings)
   .settings(scalacOptions in Test ++= Seq("-language:reflectiveCalls"))
 
-lazy val root = (project in file(".")).aggregate(macros, tapeout)
+lazy val root = (project in file(".")).aggregate(macros, tapeout, floorplan)

floorplan/README

@@ -0,0 +1,61 @@
+
+Placement/Boundary constraints
+
+
+Schema:
+
+- `Element` is the base abstract class
+
+- `Primitive` extends `Element` (abstract)
+  - name (String)
+  - target (InstanceTarget) ?? (some way of tying this to an instance)
+
+- `Rect` extends `Primitive` (abstract)
+  - x (LengthUnit)
+  - y (LengthUnit)
+  - w (LengthUnit)
+  - h (LengthUnit)
+  - rot (Rotation)
+
+- `Macro` extends `Rect`
+
+- `RouteBlockage` extends `Rect`
+  - layer (String)
+
+- `PlaceBlockage` extends `Rect`
+
+- `SeqMem` extends `Rect`
+
+- `Group` extends `Element` (abstract)
+
+- `Grid` extends `Group`
+  - elements (Array2D[Element])
+
+- `HorizontalArray` extends `Array`
+  - elements.height = 1
+
+- `VerticalArray` extends `Array`
+  - elements.width = 1
+
+- `LayoutOptions` extends `Element` (abstract)
+  - layouts (List[Group])
+
+- `PriorityLayoutOptions` extends `LayoutOptions`
+
+
+
+IR Level 0
+- `Rect`s must contain x, y, rot
+
+
+IR Level 1
+- `Rect`s must contain w, h
+
+
+IR Level 2
+- `Rect`s must contain name, target, type
+
+
+
+- Need to have an "inline" way of saying "Replace the floorplan of this block with some external hammer IR"
+

floorplan/src/main/resources/META-INF/services/firrtl.options.RegisteredTransform

@@ -0,0 +1 @@
+barstools.floorplan.firrtl.GenerateFloorplanIRPass