diff options
Diffstat (limited to 'techlibs/gowin/synth_gowin.cc')
-rw-r--r-- | techlibs/gowin/synth_gowin.cc | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 6cf058f29..785f2802b 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -55,7 +55,7 @@ struct SynthGowinPass : public ScriptPass log(" -nobram\n"); log(" do not use BRAM cells in output netlist\n"); log("\n"); - log(" -nodram\n"); + log(" -nolutram\n"); log(" do not use distributed RAM cells in output netlist\n"); log("\n"); log(" -noflatten\n"); @@ -80,7 +80,7 @@ struct SynthGowinPass : public ScriptPass } string top_opt, vout_file; - bool retime, nobram, nodram, flatten, nodffe, nowidelut, abc9, noiopads; + bool retime, nobram, nolutram, flatten, nodffe, nowidelut, abc9, noiopads; void clear_flags() YS_OVERRIDE { @@ -90,7 +90,7 @@ struct SynthGowinPass : public ScriptPass flatten = true; nobram = false; nodffe = false; - nodram = false; + nolutram = false; nowidelut = false; abc9 = false; noiopads = false; @@ -128,8 +128,8 @@ struct SynthGowinPass : public ScriptPass nobram = true; continue; } - if (args[argidx] == "-nodram") { - nodram = true; + if (args[argidx] == "-nolutram" || /*deprecated*/args[argidx] == "-nodram") { + nolutram = true; continue; } if (args[argidx] == "-nodffe") { @@ -188,24 +188,28 @@ struct SynthGowinPass : public ScriptPass run("synth -run coarse"); } - if (!nobram && check_label("bram", "(skip if -nobram)")) + if (!nobram && check_label("map_bram", "(skip if -nobram)")) { - run("memory_bram -rules +/gowin/bram.txt"); + run("memory_bram -rules +/gowin/brams.txt"); run("techmap -map +/gowin/brams_map.v -map +/gowin/cells_sim.v"); } - if (!nodram && check_label("dram", "(skip if -nodram)")) + if (!nolutram && check_label("map_lutram", "(skip if -nolutram)")) { - run("memory_bram -rules +/gowin/dram.txt"); - run("techmap -map +/gowin/drams_map.v"); + run("memory_bram -rules +/gowin/lutrams.txt"); + run("techmap -map +/gowin/lutrams_map.v"); run("determine_init"); } - if (check_label("fine")) + if (check_label("map_ffram")) { run("opt -fast -mux_undef -undriven -fine"); run("memory_map"); run("opt -undriven -fine"); + } + + if (check_label("map_gates")) + { run("techmap -map +/techmap.v -map +/gowin/arith_map.v"); run("techmap -map +/techmap.v"); if (retime || help_mode) @@ -248,7 +252,6 @@ struct SynthGowinPass : public ScriptPass run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O " "-toutpad TBUF OEN:I:O -tinoutpad IOBUF OEN:O:I:IO", "(unless -noiopads)"); run("clean"); - } if (check_label("check")) |