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machxo2: Use memory_libmap pass.

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This commit is contained in:
Marcelina Kościelnicka 2022-03-06 03:43:13 +01:00
parent 9d11575856
commit 2dcb0797f0
7 changed files with 578 additions and 1 deletions
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31
techlibs/machxo2/synth_machxo2.cc
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@ -57,6 +57,12 @@ struct SynthMachXO2Pass : public ScriptPass
log(" from label is synonymous to 'begin', and empty to label is\n");
log(" synonymous to the end of the command list.\n");
log("\n");
log(" -nobram\n");
log(" do not use block RAM cells in output netlist\n");
log("\n");
log(" -nolutram\n");
log(" do not use LUT RAM cells in output netlist\n");
log("\n");
log(" -noflatten\n");
log(" do not flatten design before synthesis\n");
log("\n");
@ -74,7 +80,7 @@ struct SynthMachXO2Pass : public ScriptPass
}
string top_opt, blif_file, edif_file, json_file;
bool flatten, vpr, noiopad;
bool nobram, nolutram, flatten, vpr, noiopad;
void clear_flags() override
{
@ -82,6 +88,8 @@ struct SynthMachXO2Pass : public ScriptPass
blif_file = "";
edif_file = "";
json_file = "";
nobram = false;
nolutram = false;
flatten = true;
vpr = false;
noiopad = false;
@ -127,6 +135,14 @@ struct SynthMachXO2Pass : public ScriptPass
flatten = false;
continue;
}
if (args[argidx] == "-nobram") {
nobram = true;
continue;
}
if (args[argidx] == "-nolutram") {
nolutram = true;
continue;
}
if (args[argidx] == "-noiopad") {
noiopad = true;
continue;
@ -173,6 +189,19 @@ struct SynthMachXO2Pass : public ScriptPass
run("synth -run coarse");
}
if (check_label("map_ram"))
{
std::string args = "";
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 +/machxo2/lutrams.txt -lib +/machxo2/brams.txt" + args, "(-no-auto-block if -nobram, -no-auto-distributed if -nolutram)");
run("techmap -map +/machxo2/lutrams_map.v -map +/machxo2/brams_map.v");
}
if (check_label("fine"))
{
run("memory_map");