diff options
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
-rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 3760a1129..173841799 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -46,7 +46,7 @@ struct SynthXilinxPass : public ScriptPass log(" -top <module>\n"); log(" use the specified module as top module\n"); log("\n"); - log(" -family {xcup|xcu|xc7|xc6s}\n"); + log(" -family {xcup|xcu|xc7|xc6v|xc6s}\n"); log(" run synthesis for the specified Xilinx architecture\n"); log(" generate the synthesis netlist for the specified family.\n"); log(" default: xc7\n"); @@ -244,7 +244,7 @@ struct SynthXilinxPass : public ScriptPass } extra_args(args, argidx, design); - if (family != "xcup" && family != "xcu" && family != "xc7" && family != "xc6s") + if (family != "xcup" && family != "xcu" && family != "xc7" && family != "xc6v" & family != "xc6s") log_cmd_error("Invalid Xilinx -family setting: '%s'.\n", family.c_str()); if (widemux != 0 && widemux < 2) @@ -266,19 +266,36 @@ struct SynthXilinxPass : public ScriptPass void script() YS_OVERRIDE { + std::string ff_map_file; + if (help_mode) + ff_map_file = "+/xilinx/{family}_ff_map.v"; + else if (family == "xc6s") + ff_map_file = "+/xilinx/xc6s_ff_map.v"; + else + ff_map_file = "+/xilinx/xc7_ff_map.v"; + if (check_label("begin")) { if (vpr) - run("read_verilog -lib -icells -D _ABC -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); + run("read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); else - run("read_verilog -lib -icells -D _ABC +/xilinx/cells_sim.v"); + run("read_verilog -lib +/xilinx/cells_sim.v"); - run("read_verilog -lib +/xilinx/cells_xtra.v"); + if (help_mode) + run("read_verilog -lib +/xilinx/{family}_cells_xtra.v"); + else if (family == "xc6s") + run("read_verilog -lib +/xilinx/xc6s_cells_xtra.v"); + else if (family == "xc6v") + run("read_verilog -lib +/xilinx/xc6v_cells_xtra.v"); + else if (family == "xc7") + run("read_verilog -lib +/xilinx/xc7_cells_xtra.v"); + else if (family == "xcu" || family == "xcup") + run("read_verilog -lib +/xilinx/xcu_cells_xtra.v"); if (help_mode) { run("read_verilog -lib +/xilinx/{family}_brams_bb.v"); } else if (family == "xc6s") { run("read_verilog -lib +/xilinx/xc6s_brams_bb.v"); - } else if (family == "xc7") { + } else if (family == "xc6v" || family == "xc7") { run("read_verilog -lib +/xilinx/xc7_brams_bb.v"); } @@ -329,7 +346,7 @@ struct SynthXilinxPass : public ScriptPass if (family == "xc6s") { run("memory_bram -rules +/xilinx/xc6s_brams.txt"); run("techmap -map +/xilinx/xc6s_brams_map.v"); - } else if (family == "xc7") { + } else if (family == "xc6v" || family == "xc7") { run("memory_bram -rules +/xilinx/xc7_brams.txt"); run("techmap -map +/xilinx/xc7_brams_map.v"); } else { @@ -408,7 +425,7 @@ struct SynthXilinxPass : public ScriptPass } if (check_label("map_cells")) { - std::string techmap_args = "-map +/techmap.v -D _ABC -map +/xilinx/cells_map.v"; + std::string techmap_args = "-map +/techmap.v -map +/xilinx/cells_map.v"; if (widemux > 0) techmap_args += stringf(" -D MIN_MUX_INPUTS=%d", widemux); run("techmap " + techmap_args); @@ -416,11 +433,9 @@ struct SynthXilinxPass : public ScriptPass } if (check_label("map_ffs")) { - if (abc9 || help_mode) { - run("techmap -map +/xilinx/ff_map.v", "('-abc9' only)"); - run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " - "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "('-abc9' only)"); - } + if (abc9 || help_mode) { + run("techmap -map " + ff_map_file, "('-abc9' only)"); + } } if (check_label("map_luts")) { @@ -428,10 +443,12 @@ struct SynthXilinxPass : public ScriptPass if (flatten_before_abc) run("flatten"); if (help_mode) - run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(option for 'nowidelut', option for '-retime')"); + run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(option for 'nowidelut'; option for '-retime')"); else if (abc9) { if (family != "xc7") log_warning("'synth_xilinx -abc9' currently supports '-family xc7' only.\n"); + run("techmap -map +/xilinx/abc_map.v -max_iter 1"); + run("read_verilog -icells -lib +/xilinx/abc_model.v"); if (nowidelut) run("abc9 -lut +/xilinx/abc_xc7_nowide.lut -box +/xilinx/abc_xc7.box -W " + std::to_string(XC7_WIRE_DELAY)); else @@ -449,16 +466,14 @@ struct SynthXilinxPass : public ScriptPass // has performed any necessary retiming if (!nosrl || help_mode) run("xilinx_srl -fixed -minlen 3", "(skip if '-nosrl')"); - std::string techmap_args = "-map +/xilinx/lut_map.v -map +/xilinx/cells_map.v"; if (help_mode) - techmap_args += " [-map +/xilinx/ff_map.v]"; - else if (!abc9) - techmap_args += " -map +/xilinx/ff_map.v"; + techmap_args += " [-map " + ff_map_file + "]"; + else if (abc9) + techmap_args += " -map +/xilinx/abc_unmap.v"; + else + techmap_args += " -map " + ff_map_file; run("techmap " + techmap_args); - if (!abc9) - run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " - "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "(without '-abc9' only)"); run("clean"); } @@ -470,8 +485,10 @@ struct SynthXilinxPass : public ScriptPass else run("clkbufmap -buf BUFG O:I"); } - if (do_iopad) + if (help_mode || do_iopad) run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I A:top", "(only if '-iopad' or '-ise' and not '-noiopad')"); + if (help_mode || ise) + run("extractinv -inv INV O:I", "(only if '-ise')"); } if (check_label("check")) { |