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This commit is contained in:
Eddie Hung 2018-07-25 18:22:23 -07:00
parent 760a47779a
commit e2f8deec41
3 changed files with 5 additions and 5 deletions
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5
ice40/arch.cc
View File

@ -495,9 +495,10 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const
return xscale * abs(xd) + yscale * abs(yd) + offset; return xscale * abs(xd) + yscale * abs(yd) + offset;
} }
delay_t Arch::getBudgetOverride(const PortRef& pr, delay_t v) const delay_t Arch::getBudgetOverride(const PortRef &pr, delay_t v) const
{ {
if (pr.port == id("COUT")) return 0; if (pr.port == id("COUT"))
return 0;
return v; return v;
} }

2
ice40/arch.h
View File

@ -684,7 +684,7 @@ struct Arch : BaseCtx
delay_t getRipupDelayPenalty() const { return 200; } delay_t getRipupDelayPenalty() const { return 200; }
float getDelayNS(delay_t v) const { return v * 0.001; } float getDelayNS(delay_t v) const { return v * 0.001; }
uint32_t getDelayChecksum(delay_t v) const { return v; } uint32_t getDelayChecksum(delay_t v) const { return v; }
delay_t getBudgetOverride(const PortRef& pr, delay_t v) const; delay_t getBudgetOverride(const PortRef &pr, delay_t v) const;
// ------------------------------------------------- // -------------------------------------------------

3
ice40/main.cc
View File

@ -366,8 +366,7 @@ int main(int argc, char *argv[])
if (vm.count("freq")) { if (vm.count("freq")) {
ctx->target_freq = vm["freq"].as<double>() * 1e6; ctx->target_freq = vm["freq"].as<double>() * 1e6;
ctx->user_freq = true; ctx->user_freq = true;
} } else {
else {
log_warning("Target frequency not specified. Will optimise for max frequency.\n"); log_warning("Target frequency not specified. Will optimise for max frequency.\n");
} }