diff options
Diffstat (limited to 'icetime/icetime.cc')
| -rw-r--r-- | icetime/icetime.cc | 73 |
1 files changed, 72 insertions, 1 deletions
diff --git a/icetime/icetime.cc b/icetime/icetime.cc index e6f1167..e0c3df7 100644 --- a/icetime/icetime.cc +++ b/icetime/icetime.cc @@ -56,12 +56,16 @@ int iconn_cell_cnt = 0; // netlist_cells[cell_name][port_name] = port_expr std::map<std::string, std::map<std::string, std::string>> netlist_cells; +std::map<std::string, std::map<std::string, std::string>> netlist_cell_params; std::map<std::string, std::string> netlist_cell_types; std::set<std::string> extra_wires; std::vector<std::string> extra_vlog; std::set<int> declared_nets; +std::map<std::string, std::vector<std::pair<int, int>>> logic_tile_bits, + io_tile_bits, ramb_tile_bits, ramt_tile_bits; + std::string vstringf(const char *fmt, va_list ap) { std::string string; @@ -331,6 +335,27 @@ void read_chipdb() gbufpin.push_back(items); } + if (mode == ".logic_tile_bits" || mode == ".io_tile_bits" || mode == ".ramb_tile_bits" || mode == ".ramt_tile_bits") { + std::vector<std::pair<int, int>> items; + while (1) { + const char *s = strtok(nullptr, " \t\r\n"); + if (s == nullptr) + break; + std::pair<int, int> item; + int rc = sscanf(s, "B%d[%d]", &item.first, &item.second); + assert(rc == 2); + items.push_back(item); + } + if (mode == ".logic_tile_bits") + logic_tile_bits[tok] = items; + if (mode == ".io_tile_bits") + io_tile_bits[tok] = items; + if (mode == ".ramb_tile_bits") + ramb_tile_bits[tok] = items; + if (mode == ".ramt_tile_bits") + ramt_tile_bits[tok] = items; + } + if (mode == ".extra_bits") { int b = atoi(strtok(nullptr, " \t\r\n")); int x = atoi(strtok(nullptr, " \t\r\n")); @@ -453,6 +478,20 @@ std::string make_seg_pre_io(int x, int y, int z) netlist_cells[cell]["DIN1"] = ""; netlist_cells[cell]["DIN0"] = ""; + std::string pintype; + std::pair<int, int> bitpos; + + for (int i = 0; i < 6; i++) { + bitpos = io_tile_bits[stringf("IOB_%d.PINTYPE_%d", z, 5-i)][0]; + pintype.push_back(config_bits[x][y][bitpos.first][bitpos.second] ? '1' : '0'); + } + + bitpos = io_tile_bits["NegClk"][0]; + char negclk = config_bits[x][y][bitpos.first][bitpos.second] ? '1' : '0'; + + netlist_cell_params[cell]["NEG_TRIGGER"] = stringf("1'b%c", negclk); + netlist_cell_params[cell]["PIN_TYPE"] = stringf("6'b%s", pintype.c_str()); + std::string io_name; std::tuple<int, int, int> key(x, y, z); @@ -498,6 +537,21 @@ std::string make_lc40(int x, int y, int z) netlist_cells[cell]["lcout"] = ""; netlist_cells[cell]["ltout"] = ""; + char lcbits[20]; + auto &lcbits_pos = logic_tile_bits[stringf("LC_%d", z)]; + + for (int i = 0; i < 20; i++) + lcbits[i] = config_bits[x][y][lcbits_pos[i].first][lcbits_pos[i].second] ? '1' : '0'; + + // FIXME: fill in the '0' + netlist_cell_params[cell]["C_ON"] = stringf("1'b%c", '0'); + netlist_cell_params[cell]["SEQ_MODE"] = stringf("4'b%c%c%c%c", lcbits[9], '0', '0', '0'); + netlist_cell_params[cell]["LUT_INIT"] = stringf("16'b%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", + lcbits[0], lcbits[10], lcbits[11], lcbits[1], + lcbits[2], lcbits[12], lcbits[13], lcbits[3], + lcbits[7], lcbits[17], lcbits[16], lcbits[6], + lcbits[5], lcbits[15], lcbits[14], lcbits[4]); + return cell; } @@ -617,6 +671,13 @@ void make_seg_cell(int net, const net_segment_t &seg) return; } + if (sscanf(seg.name.c_str(), "lutff_%d/cou%c", &a, &c) == 2 && c == 't') + { + auto cell = make_lc40(seg.x, seg.y, a); + netlist_cells[cell]["carryout"] = net_name(net); + return; + } + if (seg.name == "lutff_global/clk") { for (int i = 0; i < 8; i++) @@ -958,7 +1019,17 @@ int main(int argc, char **argv) for (auto it : netlist_cell_types) { const char *sep = ""; - fprintf(fout, " %s %s (", it.second.c_str(), it.first.c_str()); + fprintf(fout, " %s ", it.second.c_str()); + if (netlist_cell_params.count(it.first)) { + fprintf(fout, "#("); + for (auto port : netlist_cell_params[it.first]) { + fprintf(fout, "%s\n .%s(%s)", sep, port.first.c_str(), port.second.c_str()); + sep = ","; + } + fprintf(fout, "\n ) "); + sep = ""; + } + fprintf(fout, "%s (", it.first.c_str()); for (auto port : netlist_cells[it.first]) { fprintf(fout, "%s\n .%s(%s)", sep, port.first.c_str(), port.second.c_str()); sep = ","; |