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json: Fix inputs directly driving inouts

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-03-20 16:05:43 +00:00
parent cadbf42054
commit 997a66791e
3 changed files with 18 additions and 3 deletions
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2
common/placer1.cc
View File

@ -230,7 +230,7 @@ class SAPlacer
double upper = 0.6, lower = 0.4;
if (curr_metric < 0.95 * avg_metric) {
if (curr_metric < 0.95 * avg_metric && curr_metric > 0) {
avg_metric = 0.8 * avg_metric + 0.2 * curr_metric;
} else {
if (Raccept >= 0.8) {

17
json/jsonparse.cc
View File

@ -758,11 +758,26 @@ void json_import(Context *ctx, string modname, JsonNode *node)
// N.B. ports must be imported after cells for tristate behaviour
// to be correct
// Loop through all ports
// Loop through all ports, first non-tristate then tristate to handle
// interconnected ports correctly
for (int portid = 0; portid < GetSize(ports_parent->data_dict_keys); portid++) {
JsonNode *here;
here = ports_parent->data_dict.at(ports_parent->data_dict_keys[portid]);
JsonNode *dir_node = here->data_dict.at("direction");
NPNR_ASSERT(dir_node->type == 'S');
if (dir_node->data_string == "inout")
continue;
json_import_toplevel_port(ctx, modname, netids, ports_parent->data_dict_keys[portid], here);
}
for (int portid = 0; portid < GetSize(ports_parent->data_dict_keys); portid++) {
JsonNode *here;
here = ports_parent->data_dict.at(ports_parent->data_dict_keys[portid]);
JsonNode *dir_node = here->data_dict.at("direction");
NPNR_ASSERT(dir_node->type == 'S');
if (dir_node->data_string != "inout")
continue;
json_import_toplevel_port(ctx, modname, netids, ports_parent->data_dict_keys[portid], here);
}
}

2
tests

@ -1 +1 @@
Subproject commit ee3ff3c4bdce20c47bd6c35a2f7430497b283807
Subproject commit f29dcbe187b517d01964b1074eb7ff0b90849eed