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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.
@0xcb2ccd67aa912967;
using Java = import "/capnp/java.capnp";
using Ref = import "References.capnp";
$Java.package("com.xilinx.rapidwright.interchange");
$Java.outerClassname("LogicalNetlist");
using Cxx = import "/capnp/c++.capnp";
$Cxx.namespace("LogicalNetlist");
struct HashSet {
type @0 : Ref.ImplementationType = enumerator;
hide @1 : Bool = true;
}
annotation hashSet(*) :HashSet;
struct StringRef {
type @0 :Ref.ReferenceType = rootValue;
field @1 :Text = "strList";
}
annotation stringRef(*) :StringRef;
using StringIdx = UInt32;
struct PortRef {
type @0 :Ref.ReferenceType = parent;
field @1 :Text = "portList";
depth @2 :Int32 = 1;
}
annotation portRef(*) :PortRef;
using PortIdx = UInt32;
struct CellRef {
type @0 :Ref.ReferenceType = parent;
field @1 :Text = "cellDecls";
depth @2 :Int32 = 1;
}
annotation cellRef(*) :CellRef;
using CellIdx = UInt32;
struct InstRef {
type @0 :Ref.ReferenceType = parent;
field @1 :Text = "instList";
depth @2 :Int32 = 1;
}
annotation instRef(*) :InstRef;
using InstIdx = UInt32;
struct Netlist {
name @0 : Text;
propMap @1 : PropertyMap;
strList @2 : List(Text) $hashSet();
portList @3 : List(Port);
cellDecls @4 : List(CellDeclaration);
topInst @5 : CellInstance;
instList @6 : List(CellInstance);
cellList @7 : List(Cell);
struct CellDeclaration {
name @0 : StringIdx $stringRef();
propMap @1 : PropertyMap;
view @2 : StringIdx $stringRef();
lib @3 : StringIdx $stringRef();
ports @4 : List(PortIdx) $portRef();
}
struct CellInstance {
name @0 : StringIdx $stringRef();
propMap @1 : PropertyMap;
view @2 : StringIdx $stringRef();
cell @3 : CellIdx $cellRef();
}
struct Cell {
index @0 : CellIdx $cellRef();
insts @1 : List(InstIdx) $instRef();
nets @2 : List(Net);
}
struct Net {
name @0 : StringIdx $stringRef();
propMap @1 : PropertyMap;
portInsts @2 : List(PortInstance);
}
struct Port {
name @0 : StringIdx $stringRef();
dir @1 : Direction;
propMap @2 : PropertyMap;
union {
bit @3 : Void;
bus @4 : Bus;
}
}
enum Direction {
input @0;
output @1;
inout @2;
}
struct Bus {
busStart @0 : UInt32;
busEnd @1 : UInt32;
}
struct PortInstance {
port @0 : PortIdx $portRef(depth = 3);
busIdx : union {
singleBit @1 : Void; # Single bit
idx @2 : UInt32; # Index within bussed port
}
union {
extPort @3 : Void;
inst @4 : InstIdx $instRef(depth = 3);
}
}
# Arbitrary length bitstring, encoded into array of uint8.
#
# width is the width of the bitstring in number of bits.
# Data is required to ceil(width/8) elements long.
# Bits are stored in LSB order. Example.
#
# If bits is a bool vector-like, then:
#
# bits[0] is storage in the LSB of data[0].
# bits[8] is storage in the LSB of data[1].
#
# e.g. bit[0] === (data[0] & (1 << 0)) != 0
# e.g. bit[1] === (data[0] & (1 << 1)) != 0
# e.g. bit[7] === (data[0] & (1 << 7)) != 0
# e.g. bit[8] === (data[1] & (1 << 0)) != 0
#
struct Bitstring {
width @0 : UInt32;
data @1 : List(UInt8);
}
struct PropertyMap {
entries @0 : List(Entry);
struct Entry {
key @0 : StringIdx $stringRef();
# Some tools may require a particular presentation. textValue is the
# most general, and should always be accepted.
#
# See DeviceResources.ParameterDefinition for potential string
# presentations.
union {
textValue @1 : StringIdx $stringRef();
intValue @2 : Int32;
boolValue @3 : Bool;
bitstringValue @4 : Bitstring;
}
}
}
}
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