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sdc: separate out

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This commit is contained in:
Emil J. Tywoniak 2025-05-26 22:53:16 +02:00
parent 026e9148f8
commit d64a51106d
5 changed files with 117 additions and 86 deletions
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58
kernel/tclapi.cc
View file

@ -532,64 +532,6 @@ static int tcl_set_param(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *cons
return TCL_OK;
}
static int sdc_get_pins_cmd(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
{
(void)interp;
bool hierarchical_flag = false;
bool regexp_flag = false;
bool nocase_flag = false;
std::string separator = "/";
Tcl_Obj* of_objects;
std::vector<std::string> patterns;
int i = 1;
for (; i < objc; i++) {
FLAG2(hierarchical)
FLAG2(regexp)
FLAG2(nocase)
if (!strcmp(Tcl_GetString(objv[i]), "-hsc")) {
i++;
separator = Tcl_GetString(objv[i]);
continue;
}
if (!strcmp(Tcl_GetString(objv[i]), "-of_objects")) {
i++;
of_objects = objv[i];
continue;
}
// Onto the next loop
break;
}
for (; i < objc; i++) {
patterns.push_back(Tcl_GetString(objv[i]));
}
log("get_pins patterns:\n");
for (auto pat : patterns) {
log("\t%s\n", pat.c_str());
}
(void)hierarchical_flag;
(void)regexp_flag;
(void)nocase_flag;
(void)separator;
(void)of_objects;
return TCL_OK;
}
static int sdc_dummy_cmd(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
{
(void)interp;
(void)objc;
log("Ignoring known SDC command %s\n", Tcl_GetString(objv[0]));
return TCL_OK;
}
int yosys_sdc_interp_init(Tcl_Interp *interp)
{
if (Tcl_Init(interp)!=TCL_OK)
log_warning("Tcl_Init() call failed - %s\n",Tcl_ErrnoMsg(Tcl_GetErrno()));
Tcl_CreateObjCommand(interp, "set_false_path", sdc_dummy_cmd, NULL, NULL);
Tcl_CreateObjCommand(interp, "get_pins", sdc_get_pins_cmd, NULL, NULL);
return TCL_OK;
}
int yosys_tcl_interp_init(Tcl_Interp *interp)
{
if (Tcl_Init(interp)!=TCL_OK)

29
kernel/yosys.cc
View file

@ -372,7 +372,6 @@ void rewrite_filename(std::string &filename)
// defined in tclapi.cc
extern int yosys_tcl_interp_init(Tcl_Interp *interp);
extern int yosys_sdc_interp_init(Tcl_Interp *interp);
extern Tcl_Interp *yosys_get_tcl_interp()
{
@ -382,15 +381,8 @@ extern Tcl_Interp *yosys_get_tcl_interp()
}
return yosys_tcl_interp;
}
extern Tcl_Interp *yosys_get_sdc_interp()
{
if (yosys_sdc_interp == NULL) {
yosys_sdc_interp = Tcl_CreateInterp();
yosys_sdc_interp_init(yosys_sdc_interp);
}
return yosys_sdc_interp;
}
// Also see SdcPass
struct TclPass : public Pass {
TclPass() : Pass("tcl", "execute a TCL script file") { }
void help() override {
@ -433,26 +425,7 @@ struct TclPass : public Pass {
Tcl_Release(interp);
}
} TclPass;
struct SdcPass : public Pass {
SdcPass() : Pass("sdc", "sniff at some SDC") { }
void execute(std::vector<std::string> args, RTLIL::Design *) override {
if (args.size() < 2)
log_cmd_error("Missing script file.\n");
std::vector<Tcl_Obj*> script_args;
for (auto it = args.begin() + 2; it != args.end(); ++it)
script_args.push_back(Tcl_NewStringObj((*it).c_str(), (*it).size()));
Tcl_Interp *interp = yosys_get_sdc_interp();
Tcl_Preserve(interp);
Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argc", 4), NULL, Tcl_NewIntObj(script_args.size()), 0);
Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv", 4), NULL, Tcl_NewListObj(script_args.size(), script_args.data()), 0);
Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv0", 5), NULL, Tcl_NewStringObj(args[1].c_str(), args[1].size()), 0);
if (Tcl_EvalFile(interp, args[1].c_str()) != TCL_OK)
log_cmd_error("SDC interpreter returned an error: %s\n", Tcl_GetStringResult(interp));
Tcl_Release(interp);
}
} SdcPass;
#endif
#if defined(__linux__) || defined(__CYGWIN__)