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Added online help for "show" and "hierarchy" commands

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This commit is contained in:
Clifford Wolf 2013-02-28 13:59:49 +01:00
parent 6ac41b2bb1
commit af561800ed
2 changed files with 41 additions and 4 deletions
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28
passes/hierarchy/hierarchy.cc
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@ -139,7 +139,30 @@ static void hierarchy(RTLIL::Design *design, RTLIL::Module *top)
}
struct HierarchyPass : public Pass {
HierarchyPass() : Pass("hierarchy") { }
HierarchyPass() : Pass("hierarchy", "check, expand and clean up design hierarchy") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" hierarchy [-check] [-top <module>]\n");
log("\n");
log("In parametric designs, a module might exists in serveral variations with\n");
log("different parameter values. This pass looks at all modules in the current\n");
log("design an re-runs the language frontends for the parametric modules as\n");
log("needed.\n");
log("\n");
log(" -check\n");
log(" also check the design hierarchy. this generates an error when\n");
log(" an unknown module is used as cell type.\n");
log("\n");
log(" -top <module>\n");
log(" use the specified top module to built a design hierarchy. modules\n");
log(" outside this tree (unused modules) are removed.\n");
log("\n");
log("This pass ignores the current selection and always operates on all modules\n");
log("in the current design.\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing HIERARCHY pass (removing modules outside design hierarchy).\n");
@ -165,9 +188,8 @@ struct HierarchyPass : public Pass {
log_cmd_error("Module `%s' not found!\n", args[argidx].c_str());
continue;
}
break;
log_cmd_error("Unkown option %s.\n", args[argidx].c_str());
}
extra_args(args, argidx, design);
if (top_mod != NULL)
hierarchy(design, top_mod);