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| author | David Shah <dave@ds0.me> | 2018-11-04 14:03:33 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2018-11-12 14:03:58 +0000 |
| commit | 07e265868b49447b600c6c3da9f042c593f467f3 (patch) | |
| tree | 92a42ef5f8810922513d76435f62a70a61dc7103 /ice40 | |
| parent | e633aa09ccd89040d450b7cb4b7864c4fd8c0468 (diff) | |
| download | nextpnr-07e265868b49447b600c6c3da9f042c593f467f3.tar.gz nextpnr-07e265868b49447b600c6c3da9f042c593f467f3.tar.bz2 nextpnr-07e265868b49447b600c6c3da9f042c593f467f3.zip | |
archapi: Add getDelayFromNS to improve timing algorithm portability
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/arch.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ice40/arch.h b/ice40/arch.h index ff2f7e4c..80fcf761 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -775,6 +775,12 @@ struct Arch : BaseCtx delay_t getDelayEpsilon() const { return 20; } delay_t getRipupDelayPenalty() const { return 200; } float getDelayNS(delay_t v) const { return v * 0.001; } + DelayInfo getDelayFromNS(float ns) const + { + DelayInfo del; + del.delay = delay_t(ns * 1000); + return del; + } uint32_t getDelayChecksum(delay_t v) const { return v; } bool getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const; |