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Added "chparam" command

This commit is contained in:
Clifford Wolf 2015-04-07 07:30:14 +02:00
parent 8520b7fbe0
commit 329b841aac
1 changed files with 57 additions and 0 deletions
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57
passes/cmds/setattr.cc
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@ -181,4 +181,61 @@ struct SetparamPass : public Pass {
}
} SetparamPass;
struct ChparamPass : public Pass {
ChparamPass() : Pass("chparam", "re-evaluate modules with new parameters") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" chparam [ -set name value ]... [selection]\n");
log("\n");
log("Re-evaluate the selected modules with new parameters. String values must be\n");
log("passed in double quotes (\").\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
std::vector<setunset_t> setunset_list;
dict<RTLIL::IdString, RTLIL::Const> new_parameters;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
std::string arg = args[argidx];
if (arg == "-set" && argidx+2 < args.size()) {
argidx += 2;
setunset_t new_param(args[argidx-1], args, argidx);
new_parameters[new_param.name] = new_param.value;
argidx--;
continue;
}
break;
}
extra_args(args, argidx, design);
pool<IdString> modnames, old_modnames;
for (auto module : design->selected_modules()) {
if (design->selected_whole_module(module))
modnames.insert(module->name);
else
log_warning("Ignoring partially selecedted module %s.\n", log_id(module));
old_modnames.insert(module->name);
}
modnames.sort();
for (auto modname : modnames) {
Module *module = design->module(modname);
Module *new_module = design->module(module->derive(design, new_parameters));
if (module != new_module) {
Module *m = new_module->clone();
m->name = module->name;
design->remove(module);
design->add(m);
}
if (old_modnames.count(new_module->name) == 0)
design->remove(new_module);
}
}
} ChparamPass;
PRIVATE_NAMESPACE_END