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authorClifford Wolf <clifford@clifford.at>2013-03-01 12:35:12 +0100
committerClifford Wolf <clifford@clifford.at>2013-03-01 12:35:12 +0100
commita338d1a082726d84210912318a9ac49977dc380c (patch)
treee025f50cbc314b882c911aaa4083f91608836cac /passes/fsm/fsm_export.cc
parentf3a849512f2c7def98fcfa56de74d8a6bdc8b8fc (diff)
Added help messages for fsm_* passes
Diffstat (limited to 'passes/fsm/fsm_export.cc')
-rw-r--r--passes/fsm/fsm_export.cc31
1 files changed, 22 insertions, 9 deletions
diff --git a/passes/fsm/fsm_export.cc b/passes/fsm/fsm_export.cc
index aa049445..26d120a1 100644
--- a/passes/fsm/fsm_export.cc
+++ b/passes/fsm/fsm_export.cc
@@ -109,9 +109,21 @@ void write_kiss2(struct RTLIL::Module *module, struct RTLIL::Cell *cell) {
* only the KISS2 file format is supported.
*/
struct FsmExportPass : public Pass {
- FsmExportPass() : Pass("fsm_export") {
+ FsmExportPass() : Pass("fsm_export", "exporting FSMs to KISS2 files") { }
+ virtual void help()
+ {
+ // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+ log("\n");
+ log(" fsm_export [-noauto] [selection]\n");
+ log("\n");
+ log("This pass creates a KISS2 file for every selected FSM. For FSMs with the\n");
+ log("'fsm_export' attribute set, the attribute value is used as filename, otherwise\n");
+ log("the module and cell name is used as filename.\n");
+ log("\n");
+ log(" -noauto\n");
+ log(" only export FSMs that have the 'fsm_export' attribute set\n");
+ log("\n");
}
-
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
std::map<RTLIL::IdString, RTLIL::Const>::iterator attr_it;
@@ -132,12 +144,13 @@ struct FsmExportPass : 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 == "$fsm") {
- attr_it = cell_it.second->attributes.find("\\fsm_export");
- if (!flag_noauto || (attr_it != cell_it.second->attributes.end())) {
- write_kiss2(mod_it.second, cell_it.second);
- }
- }
+ if (design->selected(mod_it.second))
+ for (auto &cell_it : mod_it.second->cells)
+ if (cell_it.second->type == "$fsm" && design->selected(mod_it.second, cell_it.second)) {
+ attr_it = cell_it.second->attributes.find("\\fsm_export");
+ if (!flag_noauto || (attr_it != cell_it.second->attributes.end())) {
+ write_kiss2(mod_it.second, cell_it.second);
+ }
+ }
}
} FsmExportPass;