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-rw-r--r--common/router1.cc35
1 files changed, 33 insertions, 2 deletions
diff --git a/common/router1.cc b/common/router1.cc
index fbf3c467..431770da 100644
--- a/common/router1.cc
+++ b/common/router1.cc
@@ -22,6 +22,7 @@
#include "log.h"
#include "router1.h"
+#include "timing.h"
namespace {
@@ -612,8 +613,38 @@ bool router1(Context *ctx)
std::unordered_set<IdString> normalRouteNets, ripupQueue;
- if (ctx->verbose || iterCnt == 1)
- log_info("routing queue contains %d jobs.\n", int(jobQueue.size()));
+ if (iterCnt == 1) {
+ if (ctx->verbose)
+ log_info("routing queue contains %d jobs.\n", int(jobQueue.size()));
+ } else {
+ static auto actual_delay = [](Context *ctx, WireId src, WireId dst) {
+ delay_t total_delay = 0;
+ WireId last = dst;
+ auto net_name = ctx->getBoundWireNet(src);
+ if (net_name != IdString()) {
+ auto net = ctx->nets.at(net_name).get();
+ while (last != src) {
+ total_delay += ctx->getWireDelay(last).maxDelay();
+ auto pip = net->wires.at(last).pip;
+ NPNR_ASSERT(ctx->getBoundPipNet(pip) == net_name);
+ total_delay += ctx->getPipDelay(pip).maxDelay();
+ last = ctx->getPipSrcWire(pip);
+ if (ctx->getBoundWireNet(last) != net_name) {
+ log_warning("Wire %s bound to %s not %s!\n", ctx->getWireName(last).c_str(ctx), ctx->getBoundWireNet(last).c_str(ctx), net_name.c_str(ctx));
+ break;
+ }
+ NPNR_ASSERT(ctx->getBoundWireNet(last) == net_name);
+ }
+ NPNR_ASSERT(last != WireId());
+ }
+ if (last != src)
+ total_delay += ctx->estimateDelay(src, last);
+ else
+ total_delay += ctx->getWireDelay(last).maxDelay();
+ return total_delay;
+ };
+ update_budget(ctx, actual_delay);
+ }
bool printNets = ctx->verbose && (jobQueue.size() < 10);