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Merge pull request #3089 from YosysHQ/gatecat/liberty_wb

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Add read_liberty -wb
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Miodrag Milanović 2022-08-01 17:08:04 +02:00 • committed by GitHub
commit 15393442d6
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1 changed files with 14 additions and 0 deletions
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14
frontends/liberty/liberty.cc
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@ -464,6 +464,9 @@ struct LibertyFrontend : public Frontend {
log(" -lib\n");
log(" only create empty blackbox modules\n");
log("\n");
log(" -wb\n");
log(" mark imported cells as whiteboxes\n");
log("\n");
log(" -nooverwrite\n");
log(" ignore re-definitions of modules. (the default behavior is to\n");
log(" create an error message if the existing module is not a blackbox\n");
@ -489,6 +492,7 @@ struct LibertyFrontend : public Frontend {
void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) override
{
bool flag_lib = false;
bool flag_wb = false;
bool flag_nooverwrite = false;
bool flag_overwrite = false;
bool flag_ignore_miss_func = false;
@ -505,6 +509,10 @@ struct LibertyFrontend : public Frontend {
flag_lib = true;
continue;
}
if (arg == "-wb") {
flag_wb = true;
continue;
}
if (arg == "-ignore_redef" || arg == "-nooverwrite") {
flag_nooverwrite = true;
flag_overwrite = false;
@ -535,6 +543,9 @@ struct LibertyFrontend : public Frontend {
}
extra_args(f, filename, args, argidx);
if (flag_wb && flag_lib)
log_error("-wb and -lib cannot be specified together!\n");
LibertyParser parser(*f);
int cell_count = 0;
@ -572,6 +583,9 @@ struct LibertyFrontend : public Frontend {
if (flag_lib)
module->set_bool_attribute(ID::blackbox);
if (flag_wb)
module->set_bool_attribute(ID::whitebox);
for (auto &attr : attributes)
module->attributes[attr] = 1;