diff options
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/arch.cc | 7 | ||||
| -rw-r--r-- | ice40/arch.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index 3803f842..fec35a0f 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -587,6 +587,13 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const return xscale * abs(xd) + yscale * abs(yd) + offset; } +delay_t Arch::getBudgetOverride(const PortRef &pr, delay_t v) const +{ + if (pr.port == id("COUT")) + return 0; + return v; +} + // ----------------------------------------------------------------------- bool Arch::place() { return placer1(getCtx()); } diff --git a/ice40/arch.h b/ice40/arch.h index 51cbe725..048a9053 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -688,6 +688,7 @@ struct Arch : BaseCtx delay_t getRipupDelayPenalty() const { return 200; } float getDelayNS(delay_t v) const { return v * 0.001; } uint32_t getDelayChecksum(delay_t v) const { return v; } + delay_t getBudgetOverride(const PortRef &pr, delay_t v) const; // ------------------------------------------------- |