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Merge pull request #1124 from mmicko/json_ports 

Add upto and offset to JSON ports
This commit is contained in:
Clifford Wolf 2019-06-24 08:52:12 +02:00 committed by GitHub
parent fb8fab4a29 fde90f7f8e
commit e32cef4063
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2 changed files with 16 additions and 0 deletions
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4
backends/json/json.cc
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@ -126,6 +126,10 @@ struct JsonWriter
f << stringf("%s\n", first ? "" : ",");
f << stringf(" %s: {\n", get_name(n).c_str());
f << stringf(" \"direction\": \"%s\",\n", w->port_input ? w->port_output ? "inout" : "input" : "output");
if (w->start_offset)
f << stringf(" \"offset\": %d,\n", w->start_offset);
if (w->upto)
f << stringf(" \"upto\": 1,\n");
f << stringf(" \"bits\": %s\n", get_bits(w).c_str());
f << stringf(" }");
first = false;

12
frontends/json/jsonparse.cc
View File

@ -292,6 +292,18 @@ void json_import(Design *design, string &modname, JsonNode *node)
if (port_wire == nullptr)
port_wire = module->addWire(port_name, GetSize(port_bits_node->data_array));
if (port_node->data_dict.count("upto") != 0) {
JsonNode *val = port_node->data_dict.at("upto");
if (val->type == 'N')
port_wire->upto = val->data_number != 0;
}
if (port_node->data_dict.count("offset") != 0) {
JsonNode *val = port_node->data_dict.at("offset");
if (val->type == 'N')
port_wire->start_offset = val->data_number;
}
if (port_direction_node->data_string == "input") {
port_wire->port_input = true;
} else