diff options
| author | gatecat <gatecat@ds0.me> | 2021-09-24 19:20:36 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-24 19:20:36 +0100 |
| commit | d44b6acaa9f724694081139b2e88266af8acbb02 (patch) | |
| tree | adfb3dde2e6a46f5a9907f7aee66b017c8608a1f /common/router2.h | |
| parent | d9a71083e1a081f89e1aa4c357bc3b828eea6709 (diff) | |
| parent | 718ee441a0dcf7328692c67d143f2b26b8ebc61c (diff) | |
| download | nextpnr-d44b6acaa9f724694081139b2e88266af8acbb02.tar.gz nextpnr-d44b6acaa9f724694081139b2e88266af8acbb02.tar.bz2 nextpnr-d44b6acaa9f724694081139b2e88266af8acbb02.zip | |
Merge pull request #826 from YosysHQ/gatecat/nexus-lutperm
nexus: Add LUT permutation support
Diffstat (limited to 'common/router2.h')
| -rw-r--r-- | common/router2.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/common/router2.h b/common/router2.h index 34102f44..629453c6 100644 --- a/common/router2.h +++ b/common/router2.h @@ -21,6 +21,13 @@ NEXTPNR_NAMESPACE_BEGIN +inline float default_base_cost(Context *ctx, WireId wire, PipId pip, float crit_weight) +{ + (void)crit_weight; // unused + return ctx->getDelayNS(ctx->getPipDelay(pip).maxDelay() + ctx->getWireDelay(wire).maxDelay() + + ctx->getDelayEpsilon()); +} + struct Router2Cfg { Router2Cfg(Context *ctx); @@ -51,6 +58,7 @@ struct Router2Cfg bool perf_profile = false; std::string heatmap; + std::function<float(Context *ctx, WireId wire, PipId pip, float crit_weight)> get_base_cost = default_base_cost; }; void router2(Context *ctx, const Router2Cfg &cfg); |