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Add "read_ilang -lib"

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-04-05 17:31:49 +02:00
parent 75ca06526a
commit dfb242c905
5 changed files with 39 additions and 3 deletions
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10
frontends/ilang/ilang_frontend.cc
View file

@ -47,16 +47,20 @@ struct IlangFrontend : public Frontend {
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");
log(" module, and overwrite the existing module if it is a blackbox module.)\n");
log(" module, and overwrite the existing module if it is a blackbox module.)\n");
log("\n");
log(" -overwrite\n");
log(" overwrite existing modules with the same name\n");
log("\n");
log(" -lib\n");
log(" only create empty blackbox modules\n");
log("\n");
}
void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
ILANG_FRONTEND::flag_nooverwrite = false;
ILANG_FRONTEND::flag_overwrite = false;
ILANG_FRONTEND::flag_lib = false;
log_header(design, "Executing ILANG frontend.\n");
@ -73,6 +77,10 @@ struct IlangFrontend : public Frontend {
ILANG_FRONTEND::flag_overwrite = true;
continue;
}
if (arg == "-lib") {
ILANG_FRONTEND::flag_lib = true;
continue;
}
break;
}
extra_args(f, filename, args, argidx);

1
frontends/ilang/ilang_frontend.h
View file

@ -34,6 +34,7 @@ namespace ILANG_FRONTEND {
extern RTLIL::Design *current_design;
extern bool flag_nooverwrite;
extern bool flag_overwrite;
extern bool flag_lib;
}
YOSYS_NAMESPACE_END

6
frontends/ilang/ilang_parser.y
View file

@ -37,7 +37,7 @@ namespace ILANG_FRONTEND {
std::vector<std::vector<RTLIL::SwitchRule*>*> switch_stack;
std::vector<RTLIL::CaseRule*> case_stack;
dict<RTLIL::IdString, RTLIL::Const> attrbuf;
bool flag_nooverwrite, flag_overwrite;
bool flag_nooverwrite, flag_overwrite, flag_lib;
bool delete_current_module;
}
using namespace ILANG_FRONTEND;
@ -98,7 +98,7 @@ module:
delete_current_module = false;
if (current_design->has($2)) {
RTLIL::Module *existing_mod = current_design->module($2);
if (!flag_overwrite && attrbuf.count("\\blackbox") && attrbuf.at("\\blackbox").as_bool()) {
if (!flag_overwrite && (flag_lib || (attrbuf.count("\\blackbox") && attrbuf.at("\\blackbox").as_bool()))) {
log("Ignoring blackbox re-definition of module %s.\n", $2);
delete_current_module = true;
} else if (!flag_nooverwrite && !flag_overwrite && !existing_mod->get_bool_attribute("\\blackbox")) {
@ -124,6 +124,8 @@ module:
current_module->fixup_ports();
if (delete_current_module)
delete current_module;
else if (flag_lib)
current_module->makeblackbox();
current_module = nullptr;
} EOL;