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Merge pull request #1604 from whitequark/unify-ram-naming

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Harmonize BRAM/LUTRAM descriptions across all of Yosys
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whitequark 2020-01-02 21:06:17 +00:00 • committed by GitHub
commit f8d5920a7e
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 67 additions and 40 deletions
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24
techlibs/anlogic/synth_anlogic.cc
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@ -60,6 +60,9 @@ struct SynthAnlogicPass : public ScriptPass
log(" -retime\n");
log(" run 'abc' with '-dff -D 1' options\n");
log("\n");
log(" -nolutram\n");
log(" do not use EG_LOGIC_DRAM16X4 cells in output netlist\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
help_script();
@ -67,7 +70,7 @@ struct SynthAnlogicPass : public ScriptPass
}
string top_opt, edif_file, json_file;
bool flatten, retime;
bool flatten, retime, nolutram;
void clear_flags() YS_OVERRIDE
{
@ -76,6 +79,7 @@ struct SynthAnlogicPass : public ScriptPass
json_file = "";
flatten = true;
retime = false;
nolutram = false;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
@ -110,6 +114,10 @@ struct SynthAnlogicPass : public ScriptPass
flatten = false;
continue;
}
if (args[argidx] == "-nolutram") {
nolutram = true;
continue;
}
if (args[argidx] == "-retime") {
retime = true;
continue;
@ -150,18 +158,22 @@ struct SynthAnlogicPass : public ScriptPass
run("synth -run coarse");
}
if (check_label("dram"))
if (!nolutram && check_label("map_lutram", "(skip if -nolutram)"))
{
run("memory_bram -rules +/anlogic/drams.txt");
run("techmap -map +/anlogic/drams_map.v");
run("memory_bram -rules +/anlogic/lutrams.txt");
run("techmap -map +/anlogic/lutrams_map.v");
run("setundef -zero -params t:EG_LOGIC_DRAM16X4");
}
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 +/anlogic/arith_map.v");
if (retime || help_mode)
run("abc -dff -D 1", "(only if -retime)");
@ -187,7 +199,7 @@ struct SynthAnlogicPass : public ScriptPass
run("techmap -map +/anlogic/cells_map.v");
run("clean");
}
if (check_label("map_anlogic"))
{
run("anlogic_fixcarry");