diff options
Diffstat (limited to 'gowin/arch.cc')
-rw-r--r-- | gowin/arch.cc | 56 |
1 files changed, 23 insertions, 33 deletions
diff --git a/gowin/arch.cc b/gowin/arch.cc index b817dae0..d1fbd0ed 100644 --- a/gowin/arch.cc +++ b/gowin/arch.cc @@ -68,7 +68,7 @@ void Arch::addWire(IdString name, IdString type, int x, int y) wire_ids.push_back(name); } -void Arch::addPip(IdString name, IdString type, IdString srcWire, IdString dstWire, DelayInfo delay, Loc loc) +void Arch::addPip(IdString name, IdString type, IdString srcWire, IdString dstWire, DelayQuad delay, Loc loc) { NPNR_ASSERT(pips.count(name) == 0); PipInfo &pi = pips[name]; @@ -226,7 +226,7 @@ void Arch::setDelayScaling(double scale, double offset) void Arch::addCellTimingClock(IdString cell, IdString port) { cellTiming[cell].portClasses[port] = TMG_CLOCK_INPUT; } -void Arch::addCellTimingDelay(IdString cell, IdString fromPort, IdString toPort, DelayInfo delay) +void Arch::addCellTimingDelay(IdString cell, IdString fromPort, IdString toPort, DelayQuad delay) { if (get_or_default(cellTiming[cell].portClasses, fromPort, TMG_IGNORE) == TMG_IGNORE) cellTiming[cell].portClasses[fromPort] = TMG_COMB_INPUT; @@ -235,7 +235,7 @@ void Arch::addCellTimingDelay(IdString cell, IdString fromPort, IdString toPort, cellTiming[cell].combDelays[CellDelayKey{fromPort, toPort}] = delay; } -void Arch::addCellTimingSetupHold(IdString cell, IdString port, IdString clock, DelayInfo setup, DelayInfo hold) +void Arch::addCellTimingSetupHold(IdString cell, IdString port, IdString clock, DelayPair setup, DelayPair hold) { TimingClockingInfo ci; ci.clock_port = clock; @@ -246,7 +246,7 @@ void Arch::addCellTimingSetupHold(IdString cell, IdString port, IdString clock, cellTiming[cell].portClasses[port] = TMG_REGISTER_INPUT; } -void Arch::addCellTimingClockToOut(IdString cell, IdString port, IdString clock, DelayInfo clktoq) +void Arch::addCellTimingClockToOut(IdString cell, IdString port, IdString clock, DelayQuad clktoq) { TimingClockingInfo ci; ci.clock_port = clock; @@ -340,27 +340,24 @@ template <class T, class C> const T *genericLookup(const T *first, int len, cons } } -DelayInfo delayLookup(const TimingPOD *first, int len, IdString name) +DelayQuad delayLookup(const TimingPOD *first, int len, IdString name) { TimingPOD needle; needle.name_id = name.index; const TimingPOD *timing = genericLookup(first, len, needle, timingCompare); - DelayInfo info; + DelayQuad delay; if (timing != nullptr) { - info.maxFall = std::max(timing->ff, timing->rf) / 1000; - info.minFall = std::min(timing->ff, timing->rf) / 1000; - info.maxRaise = std::max(timing->rr, timing->fr) / 1000; - info.minRaise = std::min(timing->rr, timing->fr) / 1000; + delay.fall.max_delay = std::max(timing->ff, timing->rf) / 1000; + delay.fall.min_delay = std::min(timing->ff, timing->rf) / 1000; + delay.rise.max_delay = std::max(timing->rr, timing->fr) / 1000; + delay.rise.min_delay = std::min(timing->rr, timing->fr) / 1000; } else { - info.maxFall = 0; - info.minFall = 0; - info.maxRaise = 0; - info.minRaise = 0; + delay = DelayQuad(0); } - return info; + return delay; } -DelayInfo Arch::getWireTypeDelay(IdString wire) +DelayQuad Arch::getWireTypeDelay(IdString wire) { IdString len; IdString glbsrc; @@ -480,12 +477,7 @@ DelayInfo Arch::getWireTypeDelay(IdString wire) } else if (glbsrc != IdString()) { return delayLookup(speed->glbsrc.timings.get(), speed->glbsrc.num_timings, glbsrc); } else { - DelayInfo info; - info.maxFall = 0; - info.minFall = 0; - info.maxRaise = 0; - info.minRaise = 0; - return info; + return DelayQuad(0); } } @@ -720,7 +712,7 @@ Arch::Arch(ArchArgs args) : args(args) snprintf(buf, 32, "R%dC%d_%s_%s", row + 1, col + 1, srcid.c_str(this), destid.c_str(this)); IdString pipname = id(buf); - DelayInfo delay = getWireTypeDelay(destid); + DelayQuad delay = getWireTypeDelay(destid); // local alias auto local_alias = pairLookup(tile->aliases.get(), tile->num_aliases, srcid.index); // std::cout << "srcid " << srcid.str(this) << std::endl; @@ -934,7 +926,7 @@ WireId Arch::getPipSrcWire(PipId pip) const { return pips.at(pip).srcWire; } WireId Arch::getPipDstWire(PipId pip) const { return pips.at(pip).dstWire; } -DelayInfo Arch::getPipDelay(PipId pip) const { return pips.at(pip).delay; } +DelayQuad Arch::getPipDelay(PipId pip) const { return pips.at(pip).delay; } const std::vector<PipId> &Arch::getPipsDownhill(WireId wire) const { return wires.at(wire).downhill; } @@ -1067,7 +1059,7 @@ bool Arch::route() // --------------------------------------------------------------- -bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayInfo &delay) const +bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayQuad &delay) const { if (!cellTiming.count(cell->name)) return false; @@ -1145,19 +1137,17 @@ void Arch::assignArchInfo() addCellTimingClock(cname, id_CLK); IdString ports[4] = {id_A, id_B, id_C, id_D}; for (int i = 0; i < 4; i++) { - DelayInfo setup = delayLookup(speed->dff.timings.get(), speed->dff.num_timings, id_clksetpos); - DelayInfo hold = delayLookup(speed->dff.timings.get(), speed->dff.num_timings, id_clkholdpos); - // DelayInfo setup = getDelayFromNS(0.1); - // DelayInfo hold = getDelayFromNS(0.1); + DelayPair setup = + delayLookup(speed->dff.timings.get(), speed->dff.num_timings, id_clksetpos).delayPair(); + DelayPair hold = + delayLookup(speed->dff.timings.get(), speed->dff.num_timings, id_clkholdpos).delayPair(); addCellTimingSetupHold(cname, ports[i], id_CLK, setup, hold); } - DelayInfo clkout = delayLookup(speed->dff.timings.get(), speed->dff.num_timings, id_clk_qpos); - // DelayInfo clkout = getDelayFromNS(0.1); + DelayQuad clkout = delayLookup(speed->dff.timings.get(), speed->dff.num_timings, id_clk_qpos); addCellTimingClockToOut(cname, id_Q, id_CLK, clkout); IdString port_delay[4] = {id_a_f, id_b_f, id_c_f, id_d_f}; for (int i = 0; i < 4; i++) { - DelayInfo delay = delayLookup(speed->lut.timings.get(), speed->lut.num_timings, port_delay[i]); - // DelayInfo delay = getDelayFromNS(0.1); + DelayQuad delay = delayLookup(speed->lut.timings.get(), speed->lut.num_timings, port_delay[i]); addCellTimingDelay(cname, ports[i], id_F, delay); } |