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# 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";
$Java.package("com.xilinx.rapidwright.interchange");
$Java.outerClassname("PhysicalNetlist");
using Cxx = import "/capnp/c++.capnp";
$Cxx.namespace("PhysicalNetlist");
using Ref = import "References.capnp";
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;
# In case of a pseudo PIP also the traversed site
# needs to be added to the PhysPIP object
union {
noSite @5: Void;
# It is assumed that a pseudo PIP can traverse one
# site only
site @6: StringIdx $stringRef();
}
}
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();
}
}
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