1 files changed, 153 insertions, 0 deletions
diff --git a/interchange/PhysicalNetlist.capnp b/interchange/PhysicalNetlist.capnp
new file mode 100644
index 0000000..61b312d
--- /dev/null
+++ b/interchange/PhysicalNetlist.capnp
@@ -0,0 +1,153 @@
+# Copyright 2020-2021 Xilinx, Inc. and Google, Inc.
+#
+# Licensed 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.
+
+@0xcb2ccd67aa912968;
+using Java = import "/capnp/java.capnp";
+using Ref = import "References.capnp";
+$Java.package("com.xilinx.rapidwright.interchange");
+$Java.outerClassname("PhysicalNetlist");
+
+struct StringRef {
+    type  @0 :Ref.ReferenceType = rootValue;
+    field @1 :Text = "strList";
+}
+annotation stringRef(*) :StringRef;
+using StringIdx = UInt32;
+
+struct HashSet {
+    type  @0 : Ref.ImplementationType = enumerator;
+    hide  @1 : Bool = true;
+}
+annotation hashSet(*) :HashSet;
+
+struct PhysNetlist {
+
+  part         @0 : Text;
+  placements   @1 : List(CellPlacement);
+  physNets     @2 : List(PhysNet);
+  physCells    @3 : List(PhysCell);
+  strList      @4 : List(Text) $hashSet();
+  siteInsts    @5 : List(SiteInstance);
+  properties   @6 : List(Property);
+  nullNet      @7 : PhysNet;
+
+  struct PinMapping {
+    cellPin    @0 : StringIdx $stringRef();
+    bel        @1 : StringIdx $stringRef();
+    belPin     @2 : StringIdx $stringRef();
+    isFixed    @3 : Bool;
+    union {
+      multi     @4 : Void;
+      otherCell @5 : MultiCellPinMapping;
+    }
+  }
+
+  struct MultiCellPinMapping {
+    multiCell  @0 : StringIdx $stringRef();
+    multiType  @1 : StringIdx $stringRef();
+  }
+
+  struct CellPlacement {
+    cellName      @0 : StringIdx $stringRef();
+    type          @1 : StringIdx $stringRef();
+    site          @2 : StringIdx $stringRef();
+    bel           @3 : StringIdx $stringRef();
+    pinMap        @4 : List(PinMapping);
+    otherBels     @5 : List(StringIdx) $stringRef();
+    isBelFixed    @6 : Bool;
+    isSiteFixed   @7 : Bool;
+    altSiteType   @8 : StringIdx $stringRef();
+  }
+
+  struct PhysCell {
+    cellName    @0 : StringIdx $stringRef();
+    physType    @1 : PhysCellType;
+  }
+
+  enum PhysCellType {
+    locked  @0;
+    port    @1;
+    gnd     @2;
+    vcc     @3;
+  }
+
+  struct PhysNet {
+    name      @0 : StringIdx $stringRef();
+    sources   @1 : List(RouteBranch);
+    stubs     @2 : List(RouteBranch);
+    type      @3 : NetType = signal;
+  }
+
+  enum NetType {
+    signal   @0;
+    gnd      @1;
+    vcc      @2;
+  }
+
+
+  struct RouteBranch {
+    routeSegment : union {
+      belPin  @0 : PhysBelPin;
+      sitePin @1 : PhysSitePin;
+      pip     @2 : PhysPIP;
+      sitePIP @3 : PhysSitePIP;
+    }
+    branches @4 : List(RouteBranch);
+  }
+
+  struct PhysBel {
+    site @0 : StringIdx $stringRef();
+    bel  @1 : StringIdx $stringRef();
+  }
+
+  struct PhysBelPin {
+    site @0 : StringIdx $stringRef();
+    bel  @1 : StringIdx $stringRef();
+    pin  @2 : StringIdx $stringRef();
+  }
+
+  struct PhysSitePin {
+    site @0 : StringIdx $stringRef();
+    pin  @1 : StringIdx $stringRef();
+  }
+
+  struct PhysPIP {
+    tile    @0 : StringIdx $stringRef();
+    wire0   @1 : StringIdx $stringRef();
+    wire1   @2 : StringIdx $stringRef();
+    forward @3 : Bool;
+    isFixed @4 : Bool;
+  }
+
+  struct PhysSitePIP {
+    site    @0 : StringIdx $stringRef();
+    bel     @1 : StringIdx $stringRef();
+    pin     @2 : StringIdx $stringRef();
+    isFixed @3 : Bool;
+    union {
+      isInverting @4 : Bool;
+      inverts     @5 : Void;
+    }
+  }
+
+  struct SiteInstance {
+    site  @0 : StringIdx $stringRef();
+    type  @1 : StringIdx $stringRef();
+  }
+
+  struct Property {
+    key   @0 : StringIdx $stringRef();
+    value @1 : StringIdx $stringRef();
+  }
+}