diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/arch.cc | 13 | ||||
| -rw-r--r-- | generic/arch.h | 2 | ||||
| -rw-r--r-- | generic/main.cc | 10 |
3 files changed, 21 insertions, 4 deletions
diff --git a/generic/arch.cc b/generic/arch.cc index 892bb0fd..b1905e6f 100644 --- a/generic/arch.cc +++ b/generic/arch.cc @@ -403,6 +403,19 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const return (dx + dy) * grid_distance_to_delay; } +delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const; +{ + const auto &driver = net_info->driver; + auto driver_loc = getBelLocation(driver.cell->bel); + auto sink_loc = getBelLocation(sink.cell->bel); + + int dx = abs(driver_loc.x - driver_loc.x); + int dy = abs(sink_loc.y - sink_locy); + return (dx + dy) * grid_distance_to_delay; +} + +delay_t getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t budget) const { return budget; } + // --------------------------------------------------------------- bool Arch::place() { return placer1(getCtx()); } diff --git a/generic/arch.h b/generic/arch.h index 9a0da75b..17d62ec3 100644 --- a/generic/arch.h +++ b/generic/arch.h @@ -194,10 +194,12 @@ struct Arch : BaseCtx const std::vector<GroupId> &getGroupGroups(GroupId group) const; delay_t estimateDelay(WireId src, WireId dst) const; + delay_t predictDelay(const NetInfo *net_info, const PortRef &sink) const; delay_t getDelayEpsilon() const { return 0.01; } delay_t getRipupDelayPenalty() const { return 1.0; } float getDelayNS(delay_t v) const { return v; } uint32_t getDelayChecksum(delay_t v) const { return 0; } + delay_t getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t budget) const; bool pack() { return true; } bool place(); diff --git a/generic/main.cc b/generic/main.cc index d5a65102..3b8b3fe6 100644 --- a/generic/main.cc +++ b/generic/main.cc @@ -75,16 +75,18 @@ int main(int argc, char *argv[]) } if (vm.count("help") || argc == 1) { - std::cout << boost::filesystem::basename(argv[0]) << " -- Next Generation Place and Route (git " - "sha1 " GIT_COMMIT_HASH_STR ")\n"; + std::cout << boost::filesystem::basename(argv[0]) + << " -- Next Generation Place and Route (git " + "sha1 " GIT_COMMIT_HASH_STR ")\n"; std::cout << "\n"; std::cout << options << "\n"; return argc != 1; } if (vm.count("version")) { - std::cout << boost::filesystem::basename(argv[0]) << " -- Next Generation Place and Route (git " - "sha1 " GIT_COMMIT_HASH_STR ")\n"; + std::cout << boost::filesystem::basename(argv[0]) + << " -- Next Generation Place and Route (git " + "sha1 " GIT_COMMIT_HASH_STR ")\n"; return 1; } |