diff options
Diffstat (limited to 'icetime')
-rw-r--r-- | icetime/icetime.cc | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/icetime/icetime.cc b/icetime/icetime.cc index 532d912..4a82842 100644 --- a/icetime/icetime.cc +++ b/icetime/icetime.cc @@ -57,6 +57,23 @@ std::set<std::string> io_names; std::map<int, std::string> net_symbols; +bool get_config_bit(int tile_x, int tile_y, int bit_row, int bit_col) +{ + if (int(config_bits.size()) < tile_x) + return false; + + if (int(config_bits[tile_x].size()) < tile_y) + return false; + + if (int(config_bits[tile_x][tile_y].size()) < bit_row) + return false; + + if (int(config_bits[tile_x][tile_y][bit_row].size()) < bit_col) + return false; + + return config_bits[tile_x][tile_y][bit_row][bit_col]; +} + struct net_segment_t { int x, y, net; @@ -382,7 +399,7 @@ void read_chipdb() int bit_row, bit_col, rc; rc = sscanf(tok, "B%d[%d]", &bit_row, &bit_col); assert(rc == 2); - thiscfg.push_back(config_bits[tile_x][tile_y][bit_row][bit_col] ? '1' : '0'); + thiscfg.push_back(get_config_bit(tile_x, tile_y, bit_row, bit_col) ? '1' : '0'); } continue; } @@ -1140,11 +1157,11 @@ std::string make_seg_pre_io(int x, int y, int z) 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'); + pintype.push_back(get_config_bit(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'; + char negclk = get_config_bit(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()); @@ -1200,7 +1217,7 @@ std::string make_lc40(int x, int y, int z) 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'; + lcbits[i] = get_config_bit(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", lcbits[8]); @@ -1218,8 +1235,8 @@ std::string make_lc40(int x, int y, int z) auto co_cell = 1 < y ? make_lc40(x, y-1, 7) : std::string(); std::string n1, n2; - char cinit_1 = config_bits[x][y][1][49] ? '1' : '0'; - char cinit_0 = config_bits[x][y][1][50] ? '1' : '0'; + char cinit_1 = get_config_bit(x, y, 1, 49) ? '1' : '0'; + char cinit_0 = get_config_bit(x, y, 1, 50) ? '1' : '0'; if (cinit_1 == '1') { std::tuple<int, int, std::string> key(x, y-1, "lutff_7/cout"); @@ -1271,7 +1288,7 @@ bool get_dsp_ip_cbit(std::tuple<int, int, std::string> cbit) { // DSP0 contains all CBITs, the same as any DSP/IP tile if(dsp0_tile_bits.count(name)) { auto bitpos = dsp0_tile_bits.at(name)[0]; - return config_bits[std::get<0>(cbit)][std::get<1>(cbit)][bitpos.first][bitpos.second]; + return get_config_bit(std::get<0>(cbit), std::get<1>(cbit), bitpos.first, bitpos.second); } return false; } @@ -1478,7 +1495,7 @@ std::string make_ram(int x, int y) bool dff_uses_clock(int x, int y, int z) { auto bitpos = logic_tile_bits[stringf("LC_%d", z)][9]; - return config_bits[x][y][bitpos.first][bitpos.second]; + return get_config_bit(x, y, bitpos.first, bitpos.second); } void make_odrv(int x, int y, int src) @@ -1722,7 +1739,7 @@ void make_seg_cell(int net, const net_segment_t &seg) 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[seg.x][seg.y][bitpos.first][bitpos.second] ? '1' : '0'); + pintype.push_back(get_config_bit(seg.x, seg.y, bitpos.first, bitpos.second) ? '1' : '0'); } bool use_inclk = false; @@ -2399,11 +2416,11 @@ device_chip_mismatch: std::string cbit_name = stringf("RamCascade.CBIT_%d", i+4); if (ramb_tile_bits.count(cbit_name)) { bitpos = ramb_tile_bits.at(cbit_name)[0]; - cascade_cbits[i] = config_bits[x][y][bitpos.first][bitpos.second]; + cascade_cbits[i] = get_config_bit(x, y, bitpos.first, bitpos.second); } if (ramt_tile_bits.count(cbit_name)) { bitpos = ramt_tile_bits.at(cbit_name)[0]; - cascade_cbits[i] = config_bits[x][y+1][bitpos.first][bitpos.second]; + cascade_cbits[i] = get_config_bit(x, y+1, bitpos.first, bitpos.second); } } |