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Add read_liberty -wb

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Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2021-11-25 19:13:08 +00:00
parent a31c8a82be
commit b506f398dd
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(" -lib\n");
log(" only create empty blackbox modules\n"); log(" only create empty blackbox modules\n");
log("\n"); log("\n");
log(" -wb\n");
log(" mark imported cells as whiteboxes\n");
log("\n");
log(" -nooverwrite\n"); log(" -nooverwrite\n");
log(" ignore re-definitions of modules. (the default behavior is to\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"); 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 void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) override
{ {
bool flag_lib = false; bool flag_lib = false;
bool flag_wb = false;
bool flag_nooverwrite = false; bool flag_nooverwrite = false;
bool flag_overwrite = false; bool flag_overwrite = false;
bool flag_ignore_miss_func = false; bool flag_ignore_miss_func = false;
@ -505,6 +509,10 @@ struct LibertyFrontend : public Frontend {
flag_lib = true; flag_lib = true;
continue; continue;
} }
if (arg == "-wb") {
flag_wb = true;
continue;
}
if (arg == "-ignore_redef" || arg == "-nooverwrite") { if (arg == "-ignore_redef" || arg == "-nooverwrite") {
flag_nooverwrite = true; flag_nooverwrite = true;
flag_overwrite = false; flag_overwrite = false;
@ -535,6 +543,9 @@ struct LibertyFrontend : public Frontend {
} }
extra_args(f, filename, args, argidx); extra_args(f, filename, args, argidx);
if (flag_wb && flag_lib)
log_error("-wb and -lib cannot be specified together!\n");
LibertyParser parser(*f); LibertyParser parser(*f);
int cell_count = 0; int cell_count = 0;
@ -572,6 +583,9 @@ struct LibertyFrontend : public Frontend {
if (flag_lib) if (flag_lib)
module->set_bool_attribute(ID::blackbox); module->set_bool_attribute(ID::blackbox);
if (flag_wb)
module->set_bool_attribute(ID::whitebox);
for (auto &attr : attributes) for (auto &attr : attributes)
module->attributes[attr] = 1; module->attributes[attr] = 1;