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nexus: Use memory_libmap pass.

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This commit is contained in:
Marcelina Kościelnicka 2022-02-08 03:52:50 +01:00
parent a04b025abf
commit 0a8eaca322
11 changed files with 661 additions and 501 deletions
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33
techlibs/nexus/synth_nexus.cc
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@ -296,33 +296,24 @@ struct SynthNexusPass : public ScriptPass
run("opt_clean");
}
if (!nolram && check_label("map_lram", "(skip if -nolram)"))
if (check_label("map_ram"))
{
run("memory_bram -rules +/nexus/lrams.txt");
run("setundef -zero -params t:$__NX_PDPSC512K");
run("techmap -map +/nexus/lrams_map.v");
}
if (!nobram && check_label("map_bram", "(skip if -nobram)"))
{
run("memory_bram -rules +/nexus/brams.txt");
run("setundef -zero -params t:$__NX_PDP16K");
run("techmap -map +/nexus/brams_map.v");
}
if (!nolutram && check_label("map_lutram", "(skip if -nolutram)"))
{
run("memory_bram -rules +/nexus/lutrams.txt");
run("setundef -zero -params t:$__NEXUS_DPR16X4");
run("techmap -map +/nexus/lutrams_map.v");
std::string args = "";
args += " -no-auto-huge";
if (nobram)
args += " -no-auto-block";
if (nolutram)
args += " -no-auto-distributed";
if (help_mode)
args += " [-no-auto-block] [-no-auto-distributed]";
run("memory_libmap -lib +/nexus/lutrams.txt -lib +/nexus/brams.txt -lib +/nexus/lrams.txt" + args, "(-no-auto-block if -nobram, -no-auto-distributed if -nolutram)");
run("techmap -map +/nexus/lutrams_map.v -map +/nexus/brams_map.v -map +/nexus/lrams_map.v");
}
if (check_label("map_ffram"))
{
run("opt -fast -mux_undef -undriven -fine");
run("memory_map -iattr -attr !ram_block -attr !rom_block -attr logic_block "
"-attr syn_ramstyle=auto -attr syn_ramstyle=registers "
"-attr syn_romstyle=auto -attr syn_romstyle=logic");
run("memory_map");
run("opt -undriven -fine");
}