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abc: add option to pass read_lib args

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This commit is contained in:
Philippe Sauter 2024-04-18 11:43:24 +02:00
parent 171577f909
commit d9c4baa63c
1 changed files with 32 additions and 9 deletions
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41
passes/techmap/abc.cc
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@ -707,7 +707,8 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
std::vector<std::string> &liberty_files, std::vector<std::string> &genlib_files, std::string constr_file,
bool cleanup, vector<int> lut_costs, bool dff_mode, std::string clk_str, bool keepff, std::string delay_target,
std::string sop_inputs, std::string sop_products, std::string lutin_shared, bool fast_mode,
const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, bool abc_dress, std::vector<std::string> &dont_use_cells)
const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, bool abc_dress, std::vector<std::string> &dont_use_cells,
std::string liberty_args)
{
module = current_module;
map_autoidx = autoidx++;
@ -806,7 +807,7 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
}
bool first_lib = true;
for (std::string liberty_file : liberty_files) {
abc_script += stringf("read_lib %s %s -w \"%s\" ; ", dont_use_args.c_str(), first_lib ? "" : "-m", liberty_file.c_str());
abc_script += stringf("read_lib %s %s -w %s \"%s\" ; ", dont_use_args.c_str(), first_lib ? "" : "-m", liberty_args.c_str(), liberty_file.c_str());
first_lib = false;
}
for (std::string liberty_file : genlib_files)
@ -819,8 +820,10 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
else
abc_script += stringf("read_library %s/stdcells.genlib; ", tempdir_name.c_str());
std::string user_script;
if (!script_file.empty()) {
if (script_file[0] == '+') {
if (script_file[0] == '+') { // inline user script
for (size_t i = 1; i < script_file.size(); i++)
if (script_file[i] == '\'')
abc_script += "'\\''";
@ -828,8 +831,17 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
abc_script += " ";
else
abc_script += script_file[i];
} else
abc_script += stringf("source %s", script_file.c_str());
} else {
// read in user script
std::ifstream ifs(script_file.c_str());
if(ifs.is_open()) {
user_script.assign( (std::istreambuf_iterator<char>(ifs) ),
(std::istreambuf_iterator<char>() ) );
} else {
log_error("Opening %s for reading failed\n", script_file.c_str());
}
abc_script += stringf("source %s/user.script", tempdir_name.c_str());
}
} else if (!lut_costs.empty()) {
bool all_luts_cost_same = true;
for (int this_cost : lut_costs)
@ -876,6 +888,13 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
fprintf(f, "%s\n", abc_script.c_str());
fclose(f);
buffer = stringf("%s/user.script", tempdir_name.c_str());
f = fopen(buffer.c_str(), "wt");
if (f == nullptr)
log_error("Opening %s for writing failed: %s\n", buffer.c_str(), strerror(errno));
fprintf(f, "%s\n", user_script.c_str());
fclose(f);
if (dff_mode || !clk_str.empty())
{
if (clk_sig.size() == 0)
@ -1659,7 +1678,7 @@ struct AbcPass : public Pass {
po_map.clear();
std::string exe_file = yosys_abc_executable;
std::string script_file, default_liberty_file, constr_file, clk_str;
std::string script_file, default_liberty_file, constr_file, clk_str, liberty_args;
std::vector<std::string> liberty_files, genlib_files, dont_use_cells;
std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1";
bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true;
@ -1743,6 +1762,10 @@ struct AbcPass : public Pass {
liberty_files.push_back(args[++argidx]);
continue;
}
if (arg == "-liberty_args" && argidx+1 < args.size()) {
liberty_args = args[++argidx];
continue;
}
if (arg == "-dont_use" && argidx+1 < args.size()) {
dont_use_cells.push_back(args[++argidx]);
continue;
@ -2053,7 +2076,7 @@ struct AbcPass : public Pass {
if (!dff_mode || !clk_str.empty()) {
abc_module(design, mod, script_file, exe_file, liberty_files, genlib_files, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff,
delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode, abc_dress, dont_use_cells);
delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode, abc_dress, dont_use_cells, liberty_args);
continue;
}
@ -2214,8 +2237,8 @@ struct AbcPass : public Pass {
arst_sig = assign_map(std::get<5>(it.first));
srst_polarity = std::get<6>(it.first);
srst_sig = assign_map(std::get<7>(it.first));
abc_module(design, mod, script_file, exe_file, liberty_files, genlib_files, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$",
keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode, abc_dress, dont_use_cells);
abc_module(design, mod, script_file, exe_file, liberty_files, genlib_files, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$", keepff,
delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode, abc_dress, dont_use_cells, liberty_args);
assign_map.set(mod);
}
}