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Added help messages for fsm_* passes

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This commit is contained in:
Clifford Wolf 2013-03-01 12:35:12 +01:00
parent f3a849512f
commit a338d1a082
10 changed files with 194 additions and 42 deletions
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23
passes/fsm/fsm_recode.cc
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@ -83,7 +83,21 @@ static void fsm_recode(RTLIL::Cell *cell, RTLIL::Module *module, FILE *fm_set_fs
}
struct FsmRecodePass : public Pass {
FsmRecodePass() : Pass("fsm_recode") { }
FsmRecodePass() : Pass("fsm_recode", "recoding finite state machines") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" fsm_recode [-fm_set_fsm_file file] [selection]\n");
log("\n");
log("This pass reassign the state encodings for FSM cells. At the moment only\n");
log("one-hot encoding is supported.\n");
log("\n");
log("The option -fm_set_fsm_file can be used to generate a file containing the\n");
log("mapping from old to new FSM encoding in form of Synopsys Formality set_fsm_*\n");
log("commands.\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
FILE *fm_set_fsm_file = NULL;
@ -103,9 +117,10 @@ struct FsmRecodePass : public Pass {
extra_args(args, argidx, design);
for (auto &mod_it : design->modules)
for (auto &cell_it : mod_it.second->cells)
if (cell_it.second->type == "$fsm")
fsm_recode(cell_it.second, mod_it.second, fm_set_fsm_file);
if (design->selected(mod_it.second))
for (auto &cell_it : mod_it.second->cells)
if (cell_it.second->type == "$fsm" && design->selected(mod_it.second, cell_it.second))
fsm_recode(cell_it.second, mod_it.second, fm_set_fsm_file);
if (fm_set_fsm_file != NULL)
fclose(fm_set_fsm_file);