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sdc_expand: cleanup

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This commit is contained in:
Emil J. Tywoniak 2025-10-08 16:11:03 +02:00
parent 6dd044c9d5
commit 336e82c6b6
1 changed files with 15 additions and 16 deletions
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31
techlibs/common/sdc_expand.cc
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@ -32,12 +32,12 @@ struct SdcexpandPass : public ScriptPass
}
string opensta_exe, sdc_filename, sdc_expanded_filename;
bool cleanup;
bool cleanup = true;
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
log_header(design, "Executing SDC_EXPAND pass.\n");
string run_from, run_to;
cleanup = true;
opensta_exe = "sta";
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
@ -58,7 +58,6 @@ struct SdcexpandPass : public ScriptPass
cleanup = false;
continue;
}
// repetitive boring bit
if (args[argidx] == "-run" && argidx+1 < args.size()) {
size_t pos = args[argidx+1].find(':');
if (pos == std::string::npos) {
@ -72,6 +71,12 @@ struct SdcexpandPass : public ScriptPass
}
break;
}
if (sdc_filename.empty())
log_cmd_error("Missing -sdc-in argument\n");
if (sdc_expanded_filename.empty())
log_cmd_error("Missing -sdc-out argument\n");
extra_args(args, argidx, design);
if (!design->full_selection())
@ -88,17 +93,14 @@ struct SdcexpandPass : public ScriptPass
void script() override
{
std::string tempdir_name;
std::string liberty_path;
std::string verilog_path;
run("design -save pre_expand");
run("proc");
run("memory");
// run("dfflegalize -cell $dff");
std::string write_verilog_cmd = "write_verilog -norename -noexpr -attr2comment -defparam ";
if (help_mode) {
run(write_verilog_cmd + "<tmp_dir>/elaborated.v");
tempdir_name = "<tmp_dir>";
} else {
if (cleanup)
tempdir_name = get_base_tmpdir() + "/";
@ -106,21 +108,18 @@ struct SdcexpandPass : public ScriptPass
tempdir_name = "_tmp_";
tempdir_name += proc_program_prefix() + "yosys-sdc_expand-XXXXXX";
tempdir_name = make_temp_dir(tempdir_name);
verilog_path = tempdir_name + "/elaborated.v";
run(write_verilog_cmd + verilog_path);
}
std::string verilog_path = tempdir_name + "/elaborated.v";
std::string write_verilog_cmd = "write_verilog -norename -noexpr -attr2comment -defparam ";
run(write_verilog_cmd + verilog_path);
run("read_verilog -setattr whitebox -defer -DSIMLIB_NOCHECKS +/simlib.v");
run("proc");
run("hierarchy -auto-top");
run("publish");
if (help_mode) {
run("icell_liberty <tmp_dir>/yosys.lib");
} else {
liberty_path = tempdir_name + "/yosys.lib";
run(stringf("icell_liberty %s", liberty_path.c_str()));
}
std::string liberty_path = tempdir_name + "/yosys.lib";
run("icell_liberty " + liberty_path);
std::string opensta_pass_call = "opensta -exe ";
opensta_pass_call += help_mode ? "<exe>" : opensta_exe;
@ -134,7 +133,7 @@ struct SdcexpandPass : public ScriptPass
opensta_pass_call += help_mode ? "<tmp_dir>/yosys.lib" : liberty_path;
if (!cleanup)
opensta_pass_call += " -nocleanup";
run(opensta_pass_call.c_str());
run(opensta_pass_call);
if (!help_mode) {
if (cleanup) {