diff options
Diffstat (limited to 'frontend')
| -rw-r--r-- | frontend/frontend_base.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/frontend/frontend_base.h b/frontend/frontend_base.h index df562c9a..fa0e30b9 100644 --- a/frontend/frontend_base.h +++ b/frontend/frontend_base.h @@ -284,6 +284,7 @@ template <typename FrontendType> struct GenericFrontend } import_module_netnames(m, data); import_module_cells(m, data); + import_net_attrs(m, data); if (m.is_toplevel) { import_toplevel_ports(m, data); // Mark design as loaded through nextpnr @@ -410,6 +411,26 @@ template <typename FrontendType> struct GenericFrontend }); } + void import_net_attrs(HierModuleState &m, const mod_dat_t &data) + { + impl.foreach_netname(data, [&](const std::string &basename, const netname_dat_t &nn) { + const auto &bits = impl.get_net_bits(nn); + int width = impl.get_vector_length(bits); + for (int i = 0; i < width; i++) { + if (impl.is_vector_bit_constant(bits, i)) + continue; + int net_bit = impl.get_vector_bit_signal(bits, i); + int mapped_bit = m.net_by_idx(net_bit); + if (mapped_bit != -1) { + NetInfo *ni = net_flatindex.at(mapped_bit); + impl.foreach_attr(nn, [&](const std::string &name, const Property &value) { + ni->attrs[ctx->id(name)] = value; + }); + } + } + }); + } + // Create a new constant net; given a hint for what the name should be and its value NetInfo *create_constant_net(HierModuleState &m, const std::string &name_hint, char constval) { |