{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/YosysHQ/yosys/main/misc/jny.schema.json", "title": "Yosys JSON Netlist metadata", "description": "Yosys JSON Netlist", "type": "object", "properties": { "generator": { "type": "string", "description": "JNY File Generator" }, "version": { "type": "string", "description": "JNY Version" }, "invocation": { "type": "string", "description": "Invocation line that generated the JNY metadata" }, "features": { "type": "array", "description": "What information is contained in the JNY file", "items": { "type": "string" } }, "modules": { "type": "array", "items": { "$ref": "#/$defs/module" } } }, "required": [ "generator", "version", "invocation", "features" ], "$defs": { "module": { "type": "object", "description": "Module definition", "properties": { "name": { "type": "string", "description": "Module Name" }, "cell_sorts": { "type": "array", "description": "", "items": { "$ref": "#/$defs/cell_sort" } }, "connections": { "type": "array", "description": "Cell connections", "items": { "$ref": "#/$defs/connection" } }, "attributes": { "type": "object", "description": "Attributes attached to the module" }, "parameters": { "type": "object", "description": "Parameters attached to the module" } }, "required": [ "name", "cell_sorts" ] }, "cell_sort": { "type": "object", "description": "Describes a type of cell", "properties": { "type": { "type": "string", "description": "Type of cell" }, "ports": { "type": "array", "description": "Cell ports", "items": { "$ref": "#/$defs/port" } } , "cells": { "type": "array", "description": "Cells of cell_sort", "items": { "$ref": "#/$defs/cell" } } }, "required": [ "type", "ports", "cells" ] }, "connection": { "type": "object", "description": "A connection within a module or cell", "properties": { "name": { "type": "string", "description": "Connection name" }, "signals": { "type": "array", "description": "Signals that compose the connection", "items": { "$ref": "#/$defs/signal" } } }, "required": [ "name", "signals" ] }, "port": { "type": "object", "description": "Cell port description", "properties": { "name": { "type": "string", "description": "Port name" }, "direction": { "type": "string", "description": "Port direction", "enum": ["i", "o", "io", ""] }, "range": { "type": "array", "description": "Port width [MSB, LSB]", "items": { "type": "number" }, "minContains": 1, "maxContains": 2 } }, "required": [ "name", "direction", "range" ] }, "cell": { "type": "object", "description": "Module cell definition", "properties": { "name": { "type": "string", "description": "Cell name" }, "connections": { "type": "array", "description": "Cell connections", "items": { "$ref": "#/$defs/connection" } }, "attributes": { "type": "object", "description": "Attributes attached to the cell" }, "parameters": { "type": "object", "description": "Parameters attached to the cell" } }, "required": [ "name" ] }, "signal": { "type": "object", "description": "A signal definition", "parameters": { "width": { "type": "string" }, "type": { "type": "string", "enum": ["wire", "chunk"] }, "const": { "type": "boolean" } }, "required": [ "width", "type", "const" ] } } }