mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-05-14 19:24:45 +00:00
Code Activity

sdc: add initial stubbed demo

Browse source
This commit is contained in:
Emil Jiří Tywoniak 2025-05-02 17:48:33 +02:00
parent 11f2348246
commit b7dcdec745
3 changed files with 93 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

34
kernel/yosys.cc
View file

@ -86,6 +86,7 @@ CellTypes yosys_celltypes;
#ifdef YOSYS_ENABLE_TCL
Tcl_Interp *yosys_tcl_interp = NULL;
Tcl_Interp *yosys_sdc_interp = NULL;
#endif
std::set<std::string> yosys_input_files, yosys_output_files;
@ -361,16 +362,25 @@ void rewrite_filename(std::string &filename)
#ifdef YOSYS_ENABLE_TCL
// defined in tclapi.cc
extern int yosys_tcl_iterp_init(Tcl_Interp *interp);
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()
{
if (yosys_tcl_interp == NULL) {
yosys_tcl_interp = Tcl_CreateInterp();
yosys_tcl_iterp_init(yosys_tcl_interp);
yosys_tcl_interp_init(yosys_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;
}
struct TclPass : public Pass {
TclPass() : Pass("tcl", "execute a TCL script file") { }
@ -414,6 +424,26 @@ 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__)