diff options
Diffstat (limited to 'backends/json')
| -rw-r--r-- | backends/json/json.cc | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/backends/json/json.cc b/backends/json/json.cc index 6c924ff99..1da23bb7d 100644 --- a/backends/json/json.cc +++ b/backends/json/json.cc @@ -303,8 +303,13 @@ struct JsonBackend : public Backend { log("The general syntax of the JSON output created by this command is as follows:\n"); log("\n"); log(" {\n"); + log(" \"creator\": \"Yosys <version info>\",\n"); log(" \"modules\": {\n"); log(" <module_name>: {\n"); + log(" \"attributes\": {\n"); + log(" <attribute_name>: <attribute_value>,\n"); + log(" ...\n"); + log(" },\n"); log(" \"ports\": {\n"); log(" <port_name>: <port_details>,\n"); log(" ...\n"); @@ -329,13 +334,19 @@ struct JsonBackend : public Backend { log(" {\n"); log(" \"direction\": <\"input\" | \"output\" | \"inout\">,\n"); log(" \"bits\": <bit_vector>\n"); + log(" \"offset\": <the lowest bit index in use, if non-0>\n"); + log(" \"upto\": <1 if the port bit indexing is MSB-first>\n"); log(" }\n"); log("\n"); + log("The \"offset\" and \"upto\" fields are skipped if their value would be 0."); + log("They don't affect connection semantics, and are only used to preserve original"); + log("HDL bit indexing."); log("And <cell_details> is:\n"); log("\n"); log(" {\n"); log(" \"hide_name\": <1 | 0>,\n"); log(" \"type\": <cell_type>,\n"); + log(" \"model\": <AIG model name, if -aig option used>,\n"); log(" \"parameters\": {\n"); log(" <parameter_name>: <parameter_value>,\n"); log(" ...\n"); @@ -359,6 +370,8 @@ struct JsonBackend : public Backend { log(" {\n"); log(" \"hide_name\": <1 | 0>,\n"); log(" \"bits\": <bit_vector>\n"); + log(" \"offset\": <the lowest bit index in use, if non-0>\n"); + log(" \"upto\": <1 if the port bit indexing is MSB-first>\n"); log(" }\n"); log("\n"); log("The \"hide_name\" fields are set to 1 when the name of this cell or net is\n"); @@ -386,9 +399,15 @@ struct JsonBackend : public Backend { log("\n"); log("Translates to the following JSON output:\n"); log("\n"); + log(" {\n"); + log(" \"creator\": \"Yosys 0.9+2406 (git sha1 fb1168d8, clang 9.0.1 -fPIC -Os)\",\n"); log(" \"modules\": {\n"); log(" \"test\": {\n"); + log(" \"attributes\": {\n"); + log(" \"cells_not_processed\": \"00000000000000000000000000000001\",\n"); + log(" \"src\": \"test.v:1.1-4.10\"\n"); + log(" },\n"); log(" \"ports\": {\n"); log(" \"x\": {\n"); log(" \"direction\": \"input\",\n"); @@ -404,33 +423,34 @@ struct JsonBackend : public Backend { log(" \"hide_name\": 0,\n"); log(" \"type\": \"foo\",\n"); log(" \"parameters\": {\n"); - log(" \"Q\": 1337,\n"); - log(" \"P\": 42\n"); + log(" \"P\": \"00000000000000000000000000101010\",\n"); + log(" \"Q\": \"00000000000000000000010100111001\"\n"); log(" },\n"); log(" \"attributes\": {\n"); - log(" \"keep\": 1,\n"); - log(" \"src\": \"test.v:2\"\n"); + log(" \"keep\": \"00000000000000000000000000000001\",\n"); + log(" \"module_not_derived\": \"00000000000000000000000000000001\",\n"); + log(" \"src\": \"test.v:3.1-3.55\"\n"); log(" },\n"); log(" \"connections\": {\n"); - log(" \"C\": [ 2, 2, 2, 2, \"0\", \"1\", \"0\", \"1\" ],\n"); + log(" \"A\": [ 3, 2 ],\n"); log(" \"B\": [ 2, 3 ],\n"); - log(" \"A\": [ 3, 2 ]\n"); + log(" \"C\": [ 2, 2, 2, 2, \"0\", \"1\", \"0\", \"1\" ]\n"); log(" }\n"); log(" }\n"); log(" },\n"); log(" \"netnames\": {\n"); - log(" \"y\": {\n"); + log(" \"x\": {\n"); log(" \"hide_name\": 0,\n"); - log(" \"bits\": [ 3 ],\n"); + log(" \"bits\": [ 2 ],\n"); log(" \"attributes\": {\n"); - log(" \"src\": \"test.v:1\"\n"); + log(" \"src\": \"test.v:1.19-1.20\"\n"); log(" }\n"); log(" },\n"); - log(" \"x\": {\n"); + log(" \"y\": {\n"); log(" \"hide_name\": 0,\n"); - log(" \"bits\": [ 2 ],\n"); + log(" \"bits\": [ 3 ],\n"); log(" \"attributes\": {\n"); - log(" \"src\": \"test.v:1\"\n"); + log(" \"src\": \"test.v:1.22-1.23\"\n"); log(" }\n"); log(" }\n"); log(" }\n"); |