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sdc: simple mode, remove per-tool stubs

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This commit is contained in:
Emil J. Tywoniak 2025-06-10 16:34:04 +02:00
parent 857b1da27f
commit aa5b7075cb
2 changed files with 58 additions and 237 deletions
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54
passes/cmds/sdc.cc
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@ -12,6 +12,10 @@ PRIVATE_NAMESPACE_BEGIN
struct SdcObjects {
enum GetterMode {
Simple,
Full
} mode;
std::vector<std::string> design_ports;
std::vector<std::pair<std::string, Cell*>> design_cells;
std::vector<std::pair<std::string, Cell*>> design_pins;
@ -158,6 +162,8 @@ struct MatchConfig {
};
static bool matches(std::string name, const std::string& pat, const MatchConfig& config) {
(void)config;
// TODO implement full mode
return name == pat;
}
@ -192,10 +198,19 @@ static int sdc_get_pins_cmd(ClientData data, Tcl_Interp *interp, int objc, Tcl_O
for (; i < objc; i++) {
patterns.push_back(Tcl_GetString(objv[i]));
}
if (objects->mode == SdcObjects::GetterMode::Simple) {
if (regexp_flag || hierarchical_flag || nocase_flag || separator != "/" || of_objects) {
log_error("get_pins got unexpected flags in simple mode\n");
}
if (patterns.size() != 1) {
log_error("get_pins got unexpected number of patterns in simple mode\n");
}
}
MatchConfig config(regexp_flag, nocase_flag, hierarchical_flag);
std::vector<std::pair<std::string, Cell*>> resolved;
for (auto pat : patterns) {
log("get_pins sniffs %s\n", pat.c_str());
bool found = false;
for (auto [name, pin] : objects->design_pins) {
if (matches(name, pat, config)) {
@ -211,10 +226,6 @@ static int sdc_get_pins_cmd(ClientData data, Tcl_Interp *interp, int objc, Tcl_O
Tcl_ListObjAppendElement(interp, result, Tcl_NewStringObj(obj.first.c_str(), obj.first.size()));
objects->constrained_pins.insert(obj);
}
(void)hierarchical_flag;
(void)regexp_flag;
(void)nocase_flag;
(void)of_objects;
if (separator != "/") {
Tcl_SetResult(interp, (char *)"Only '/' accepted as separator", TCL_STATIC);
@ -242,6 +253,14 @@ static int sdc_get_ports_cmd(ClientData data, Tcl_Interp *interp, int objc, Tcl_
for (; i < objc; i++) {
patterns.push_back(Tcl_GetString(objv[i]));
}
if (objects->mode == SdcObjects::GetterMode::Simple) {
if (regexp_flag || nocase_flag) {
log_error("get_ports got unexpected flags in simple mode\n");
}
if (patterns.size() != 1) {
log_error("get_ports got unexpected number of patterns in simple mode\n");
}
}
MatchConfig config(regexp_flag, nocase_flag, false);
std::vector<std::string> resolved;
for (auto pat : patterns) {
@ -260,8 +279,7 @@ static int sdc_get_ports_cmd(ClientData data, Tcl_Interp *interp, int objc, Tcl_
Tcl_ListObjAppendElement(interp, result, Tcl_NewStringObj(obj.c_str(), obj.size()));
objects->constrained_ports.insert(obj);
}
(void)regexp_flag;
(void)nocase_flag;
Tcl_SetObjResult(interp, result);
return TCL_OK;
}
@ -301,17 +319,33 @@ struct SdcPass : public Pass {
// TODO help
SdcPass() : Pass("sdc", "sniff at some SDC") { }
void execute(std::vector<std::string> args, RTLIL::Design *design) override {
if (args.size() < 2)
log_cmd_error("Missing SDC file.\n");
// if (args.size() < 2)
// log_cmd_error("Missing SDC file.\n");
// TODO optional extra stub file
size_t argidx;
std::vector<std::string> opensta_stubs_paths;
for (argidx = 1; argidx < args.size(); argidx++) {
if (args[argidx] == "-stubs" && argidx+1 < args.size()) {
opensta_stubs_paths.push_back(args[++argidx]);
continue;
}
break;
}
if (argidx >= args.size())
log_cmd_error("Missing SDC file.\n");
std::string sdc_path = args[argidx];
SDCInterpreter& sdc = SDCInterpreter::get();
Tcl_Interp *interp = sdc.fresh_interp(design);
Tcl_Preserve(interp);
std::string stub_path = "+/sdc/stubs.sdc";
rewrite_filename(stub_path);
if (Tcl_EvalFile(interp, stub_path.c_str()) != TCL_OK)
log_cmd_error("SDC interpreter returned an error in stub file: %s\n", Tcl_GetStringResult(interp));
if (Tcl_EvalFile(interp, args[1].c_str()) != TCL_OK)
log_cmd_error("SDC interpreter returned an error in stub preamble file: %s\n", Tcl_GetStringResult(interp));
for (auto path : opensta_stubs_paths)
if (Tcl_EvalFile(interp, path.c_str()) != TCL_OK)
log_cmd_error("SDC interpreter returned an error in OpenSTA stub file %s: %s\n", path.c_str(), Tcl_GetStringResult(interp));
if (Tcl_EvalFile(interp, sdc_path.c_str()) != TCL_OK)
log_cmd_error("SDC interpreter returned an error: %s\n", Tcl_GetStringResult(interp));
sdc.objects->dump();
Tcl_Release(interp);