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icestorm
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Properly ignore unsupported cell types

This commit is contained in:
David Shah 2018-02-19 09:26:59 +00:00
parent 58e2e74d42
commit 4cdf41c840
1 changed files with 8 additions and 4 deletions
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12
icetime/icetime.cc
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@ -1293,6 +1293,8 @@ std::string ecnetname_to_vlog(std::string ec_name)
std::string make_dsp_ip(int x, int y, std::string net, std::string &primnet)
{
// Don't generate excessive warnings about unknown cells
static std::set<std::string> unsupported_cells;
std::tuple<int, int, std::string> ecnet(x, y, net);
std::tuple<std::string, int, int, int> key("", -1, -1, -1);
bool found = false;
@ -1423,9 +1425,11 @@ std::string make_dsp_ip(int x, int y, std::string net, std::string &primnet)
return cell;
} else {
netlist_cell_types[cell] = "SB_" + ectype;
fprintf(stderr, "Warning: timing analysis not supported for cell type %s\n", ectype.c_str());
return cell;
if (unsupported_cells.find(ectype) == unsupported_cells.end()) {
fprintf(stderr, "Warning: timing analysis not supported for cell type %s\n", ectype.c_str());
unsupported_cells.insert(ectype);
}
return "";
}
}
@ -1567,8 +1571,8 @@ void make_seg_cell(int net, const net_segment_t &seg)
if(device_type == "up5k" && ((seg.x == 0) || (seg.x == int(config_tile_type.size()) - 1))) {
std::string primnet;
auto cell = make_dsp_ip(seg.x, seg.y, seg.name, primnet);
netlist_cell_ports[cell][primnet] = net_name(net);
if(cell != "") {
netlist_cell_ports[cell][primnet] = net_name(net);
make_inmux(seg.x, seg.y, net);
}
return;