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{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/YosysHQ/yosys/master/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"
]
}
}
}
|
