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https://github.com/YosysHQ/yosys
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sdc: separate out
This commit is contained in:
Emil J. Tywoniak
parent
38145e79dd
commit
b749906b9a
5 changed files with 117 additions and 86 deletions
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@ -533,64 +533,6 @@ static int tcl_set_param(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *cons
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return TCL_OK;
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}
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static int sdc_get_pins_cmd(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
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{
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(void)interp;
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bool hierarchical_flag = false;
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bool regexp_flag = false;
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bool nocase_flag = false;
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std::string separator = "/";
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Tcl_Obj* of_objects;
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std::vector<std::string> patterns;
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int i = 1;
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for (; i < objc; i++) {
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FLAG2(hierarchical)
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FLAG2(regexp)
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FLAG2(nocase)
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if (!strcmp(Tcl_GetString(objv[i]), "-hsc")) {
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i++;
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separator = Tcl_GetString(objv[i]);
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continue;
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}
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if (!strcmp(Tcl_GetString(objv[i]), "-of_objects")) {
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i++;
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of_objects = objv[i];
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continue;
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}
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// Onto the next loop
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break;
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}
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for (; i < objc; i++) {
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patterns.push_back(Tcl_GetString(objv[i]));
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}
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log("get_pins patterns:\n");
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for (auto pat : patterns) {
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log("\t%s\n", pat.c_str());
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}
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(void)hierarchical_flag;
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(void)regexp_flag;
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(void)nocase_flag;
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(void)separator;
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(void)of_objects;
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return TCL_OK;
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}
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static int sdc_dummy_cmd(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
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{
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(void)interp;
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(void)objc;
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log("Ignoring known SDC command %s\n", Tcl_GetString(objv[0]));
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return TCL_OK;
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}
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int yosys_sdc_interp_init(Tcl_Interp *interp)
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{
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if (Tcl_Init(interp)!=TCL_OK)
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log_warning("Tcl_Init() call failed - %s\n",Tcl_ErrnoMsg(Tcl_GetErrno()));
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Tcl_CreateObjCommand(interp, "set_false_path", sdc_dummy_cmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "get_pins", sdc_get_pins_cmd, NULL, NULL);
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return TCL_OK;
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}
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int yosys_tcl_interp_init(Tcl_Interp *interp)
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{
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if (Tcl_Init(interp)!=TCL_OK)
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@ -370,7 +370,6 @@ void rewrite_filename(std::string &filename)
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// defined in tclapi.cc
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extern int yosys_tcl_interp_init(Tcl_Interp *interp);
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extern int yosys_sdc_interp_init(Tcl_Interp *interp);
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extern Tcl_Interp *yosys_get_tcl_interp()
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{
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@ -380,15 +379,8 @@ extern Tcl_Interp *yosys_get_tcl_interp()
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}
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return yosys_tcl_interp;
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}
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extern Tcl_Interp *yosys_get_sdc_interp()
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{
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if (yosys_sdc_interp == NULL) {
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yosys_sdc_interp = Tcl_CreateInterp();
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yosys_sdc_interp_init(yosys_sdc_interp);
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}
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return yosys_sdc_interp;
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}
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// Also see SdcPass
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struct TclPass : public Pass {
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TclPass() : Pass("tcl", "execute a TCL script file") { }
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void help() override {
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@ -431,26 +423,7 @@ struct TclPass : public Pass {
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Tcl_Release(interp);
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}
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} TclPass;
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struct SdcPass : public Pass {
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SdcPass() : Pass("sdc", "sniff at some SDC") { }
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void execute(std::vector<std::string> args, RTLIL::Design *) override {
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if (args.size() < 2)
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log_cmd_error("Missing script file.\n");
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std::vector<Tcl_Obj*> script_args;
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for (auto it = args.begin() + 2; it != args.end(); ++it)
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script_args.push_back(Tcl_NewStringObj((*it).c_str(), (*it).size()));
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Tcl_Interp *interp = yosys_get_sdc_interp();
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Tcl_Preserve(interp);
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argc", 4), NULL, Tcl_NewIntObj(script_args.size()), 0);
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv", 4), NULL, Tcl_NewListObj(script_args.size(), script_args.data()), 0);
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv0", 5), NULL, Tcl_NewStringObj(args[1].c_str(), args[1].size()), 0);
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if (Tcl_EvalFile(interp, args[1].c_str()) != TCL_OK)
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log_cmd_error("SDC interpreter returned an error: %s\n", Tcl_GetStringResult(interp));
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Tcl_Release(interp);
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}
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} SdcPass;
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#endif
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#if defined(__linux__) || defined(__CYGWIN__)
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@ -57,3 +57,6 @@ OBJS += passes/cmds/abstract.o
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OBJS += passes/cmds/test_select.o
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OBJS += passes/cmds/timeest.o
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OBJS += passes/cmds/linecoverage.o
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OBJS += passes/cmds/sdc.o
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$(eval $(call add_share_file,share/sdc,passes/cmds/stubs.sdc))
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112
passes/cmds/sdc.cc
Normal file
112
passes/cmds/sdc.cc
Normal file
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@ -0,0 +1,112 @@
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#include "kernel/register.h"
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#include "kernel/celltypes.h"
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#include "kernel/rtlil.h"
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#include "kernel/log.h"
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#include <tcl.h>
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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template<typename T>
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static bool parse_flag(char* arg, const char* flag_name, T& flag_var) {
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std::string expected = std::string("-") + flag_name;
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if (expected == arg) {
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flag_var = true;
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return true;
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}
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return false;
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}
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static int sdc_get_pins_cmd(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj* const objv[])
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{
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(void)interp;
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bool hierarchical_flag = false;
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bool regexp_flag = false;
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bool nocase_flag = false;
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std::string separator = "/";
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Tcl_Obj* of_objects;
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std::vector<std::string> patterns;
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int i = 1;
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for (; i < objc; i++) {
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if (parse_flag(Tcl_GetString(objv[i]), "hierarchical", hierarchical_flag))
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if (parse_flag(Tcl_GetString(objv[i]), "regexp", regexp_flag)) continue;
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if (parse_flag(Tcl_GetString(objv[i]), "nocase", nocase_flag)) continue;
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if (!strcmp(Tcl_GetString(objv[i]), "-hsc")) {
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separator = Tcl_GetString(objv[++i]);
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continue;
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}
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if (!strcmp(Tcl_GetString(objv[i]), "-of_objects")) {
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of_objects = objv[++i];
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continue;
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}
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// Onto the next loop
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break;
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}
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for (; i < objc; i++) {
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patterns.push_back(Tcl_GetString(objv[i]));
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}
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log("get_pins patterns:\n");
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for (auto pat : patterns) {
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log("\t%s\n", pat.c_str());
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}
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(void)hierarchical_flag;
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(void)regexp_flag;
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(void)nocase_flag;
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(void)separator;
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(void)of_objects;
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return TCL_OK;
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}
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class SDCInterpreter
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{
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private:
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Tcl_Interp* interp = nullptr;
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public:
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~SDCInterpreter() {
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if (interp)
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Tcl_DeleteInterp(interp);
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}
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static SDCInterpreter& get() {
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static SDCInterpreter instance;
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return instance;
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}
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Tcl_Interp* fresh_interp() {
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if (interp)
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Tcl_DeleteInterp(interp);
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interp = Tcl_CreateInterp();
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if (Tcl_Init(interp)!=TCL_OK)
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log_warning("Tcl_Init() call failed - %s\n",Tcl_ErrnoMsg(Tcl_GetErrno()));
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Tcl_CreateObjCommand(interp, "get_pins", sdc_get_pins_cmd, NULL, NULL);
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return interp;
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}
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};
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// Also see TclPass
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struct SdcPass : public Pass {
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SdcPass() : Pass("sdc", "sniff at some SDC") { }
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void execute(std::vector<std::string> args, RTLIL::Design *) override {
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if (args.size() < 2)
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log_cmd_error("Missing script file.\n");
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std::vector<Tcl_Obj*> script_args;
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for (auto it = args.begin() + 2; it != args.end(); ++it)
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script_args.push_back(Tcl_NewStringObj((*it).c_str(), (*it).size()));
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Tcl_Interp *interp = SDCInterpreter::get().fresh_interp();
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Tcl_Preserve(interp);
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argc", 4), NULL, Tcl_NewIntObj(script_args.size()), 0);
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv", 4), NULL, Tcl_NewListObj(script_args.size(), script_args.data()), 0);
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv0", 5), NULL, Tcl_NewStringObj(args[1].c_str(), args[1].size()), 0);
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std::string stub_path = "+/sdc/stubs.sdc";
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rewrite_filename(stub_path);
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if (Tcl_EvalFile(interp, stub_path.c_str()) != TCL_OK)
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log_cmd_error("SDC interpreter returned an error in stub file: %s\n", Tcl_GetStringResult(interp));
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if (Tcl_EvalFile(interp, args[1].c_str()) != TCL_OK)
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log_cmd_error("SDC interpreter returned an error: %s\n", Tcl_GetStringResult(interp));
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Tcl_Release(interp);
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}
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} SdcPass;
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YOSYS_NAMESPACE_END
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1
passes/cmds/stubs.sdc
Normal file
1
passes/cmds/stubs.sdc
Normal file
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@ -0,0 +1 @@
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proc set_false_path {args} {}
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