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| author | Eddie Hung <eddieh@ece.ubc.ca> | 2018-08-05 22:31:59 -0700 |
|---|---|---|
| committer | Eddie Hung <eddieh@ece.ubc.ca> | 2018-08-06 07:56:28 -0700 |
| commit | 823ceaacbf87aa222f7396891b5018cb00b6e9ef (patch) | |
| tree | effd3d71acaa89aca3f39f60bcb9794a0ddf8694 /ice40 | |
| parent | 2fb934b107d63b43afcde0e724a91c33500fe95c (diff) | |
| download | nextpnr-823ceaacbf87aa222f7396891b5018cb00b6e9ef.tar.gz nextpnr-823ceaacbf87aa222f7396891b5018cb00b6e9ef.tar.bz2 nextpnr-823ceaacbf87aa222f7396891b5018cb00b6e9ef.zip | |
Change getBudgetOverride() signature to return bool and modify budget in place
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/arch.cc | 10 | ||||
| -rw-r--r-- | ice40/arch.h | 2 |
2 files changed, 7 insertions, 5 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index 0b168383..b8bb13ea 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -637,17 +637,19 @@ std::vector<GroupId> Arch::getGroupGroups(GroupId group) const // ----------------------------------------------------------------------- -delay_t Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t budget) const +bool Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const { const auto &driver = net_info->driver; if (driver.port == id_cout) { auto driver_loc = getBelLocation(driver.cell->bel); auto sink_loc = getBelLocation(sink.cell->bel); if (driver_loc.y == sink_loc.y) - return 0; - return 250; + budget = 0; + else + budget = 190; + return true; } - return budget; + return false; } // ----------------------------------------------------------------------- diff --git a/ice40/arch.h b/ice40/arch.h index 236f73f1..328950df 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -766,7 +766,7 @@ 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 NetInfo *net_info, const PortRef &sink, delay_t budget) const; + bool getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const; // ------------------------------------------------- |