github.com/YosysHQ.nextpnr
1
0
Fork 0
mirror of https://github.com/YosysHQ/nextpnr.git synced 2026-01-11 23:53:21 +00:00
Code Issues Releases Wiki Activity

Add sources to detailed timing report (#1502)

Browse Source
This commit is contained in:
Frans Skarman 2025-06-25 11:39:25 +02:00 committed by GitHub
parent 66f051d853
commit 0c86a218fd
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
common/kernel/report.cc
View File

@ -51,6 +51,24 @@ static std::string clock_event_name(const Context *ctx, const ClockEvent &e)
return value;
};
static std::vector<std::string> net_sources(const NetInfo *net, const Context *ctx) {
auto sources = net->attrs.find(ctx->id("src"));
std::vector<std::string> source_entries;
if (sources != net->attrs.end()) {
// Sources are separated by pipe characters.
// There is no guaranteed ordering on sources, so we just print all
auto sourcelist = sources->second.as_string();
size_t current = 0, prev = 0;
while ((current = sourcelist.find("|", prev)) != std::string::npos) {
source_entries.emplace_back(sourcelist.substr(prev, current - prev));
prev = current + 1;
}
// Ensure we emplace the final entry
source_entries.emplace_back(sourcelist.substr(prev, current - prev));
}
return source_entries;
}
static Json::array json_report_critical_paths(const Context *ctx)
{
@ -82,6 +100,8 @@ static Json::array json_report_critical_paths(const Context *ctx)
segmentJson["type"] = CriticalPath::Segment::type_to_str(segment.type);
if (segment.type == CriticalPath::Segment::Type::ROUTING) {
segmentJson["net"] = segment.net.c_str(ctx);
const NetInfo *net = ctx->nets.at(segment.net).get();
segmentJson["sources"] = net_sources(net, ctx);
}
pathJson.push_back(segmentJson);
@ -133,6 +153,7 @@ static Json::array json_report_detailed_net_timings(const Context *ctx)
}
auto netTimingJson = Json::object({{"net", net->name.c_str(ctx)},
{"sources", net_sources(net, ctx)},
{"driver", net->driver.cell->name.c_str(ctx)},
{"port", net->driver.port.c_str(ctx)},
{"event", clock_event_name(ctx, start)},
@ -186,6 +207,7 @@ Report JSON structure:
},
"type": <path segment type "clk-to-q", "source", "logic", "routing" or "setup">,
"net": <net name (for routing only!)>,
"sources": <list of sources if available. (for routing only!)>
"delay": <segment delay [ns]>,
}
...
@ -199,6 +221,7 @@ Report JSON structure:
"port": <driving cell port name>,
"event": <driver clock event name>,
"net": <net name>,
"sources": [<sources>]
"endpoints": [
{
"cell": <sink cell name>,