From 169234d6e9ee7468ead4f211210f6ea44dae1467 Mon Sep 17 00:00:00 2001 From: Peter Gadfort Date: Mon, 18 Jan 2021 16:47:49 -0500 Subject: [PATCH] adding support for passing multiple liberty files to abc --- passes/techmap/abc.cc | 36 +++++++++++++++++++++--------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/passes/techmap/abc.cc b/passes/techmap/abc.cc index 192e39372..73f0b86fe 100644 --- a/passes/techmap/abc.cc +++ b/passes/techmap/abc.cc @@ -54,6 +54,7 @@ #include #include #include +#include #ifndef _WIN32 # include @@ -654,7 +655,7 @@ struct abc_output_filter }; void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, - std::string liberty_file, std::string constr_file, bool cleanup, vector lut_costs, bool dff_mode, std::string clk_str, + std::vector &liberty_files, std::string constr_file, bool cleanup, vector 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 &cells, bool show_tempdir, bool sop_mode, bool abc_dress) { @@ -709,8 +710,8 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin std::string abc_script = stringf("read_blif %s/input.blif; ", tempdir_name.c_str()); - if (!liberty_file.empty()) { - abc_script += stringf("read_lib -w %s; ", liberty_file.c_str()); + if (!liberty_files.empty()) { + for (std::string liberty_file : liberty_files) abc_script += stringf("read_lib -w %s; ", liberty_file.c_str()); if (!constr_file.empty()) abc_script += stringf("read_constr -v %s; ", constr_file.c_str()); } else @@ -738,7 +739,7 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin abc_script += fast_mode ? ABC_FAST_COMMAND_LUT : ABC_COMMAND_LUT; if (all_luts_cost_same && !fast_mode) abc_script += "; lutpack {S}"; - } else if (!liberty_file.empty()) + } else if (!liberty_files.empty()) abc_script += constr_file.empty() ? (fast_mode ? ABC_FAST_COMMAND_LIB : ABC_COMMAND_LIB) : (fast_mode ? ABC_FAST_COMMAND_CTR : ABC_COMMAND_CTR); else if (sop_mode) abc_script += fast_mode ? ABC_FAST_COMMAND_SOP : ABC_COMMAND_SOP; @@ -1019,7 +1020,7 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin if (ifs.fail()) log_error("Can't open ABC output file `%s'.\n", buffer.c_str()); - bool builtin_lib = liberty_file.empty(); + bool builtin_lib = liberty_files.empty(); RTLIL::Design *mapped_design = new RTLIL::Design; parse_blif(mapped_design, ifs, builtin_lib ? ID(DFF) : ID(_dff_), false, sop_mode); @@ -1471,7 +1472,8 @@ struct AbcPass : public Pass { po_map.clear(); std::string exe_file = yosys_abc_executable; - std::string script_file, liberty_file, constr_file, clk_str; + std::string script_file, default_liberty_file, constr_file, clk_str; + std::vector liberty_files; std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1"; bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true; bool show_tempdir = false, sop_mode = false; @@ -1489,7 +1491,7 @@ struct AbcPass : public Pass { std::string lut_arg, luts_arg, g_arg; exe_file = design->scratchpad_get_string("abc.exe", exe_file /* inherit default value if not set */); script_file = design->scratchpad_get_string("abc.script", script_file); - liberty_file = design->scratchpad_get_string("abc.liberty", liberty_file); + default_liberty_file = design->scratchpad_get_string("abc.liberty", default_liberty_file); constr_file = design->scratchpad_get_string("abc.constr", constr_file); if (design->scratchpad.count("abc.D")) { delay_target = "-D " + design->scratchpad_get_string("abc.D"); @@ -1551,7 +1553,7 @@ struct AbcPass : public Pass { continue; } if (arg == "-liberty" && argidx+1 < args.size()) { - liberty_file = args[++argidx]; + liberty_files.push_back(args[++argidx]); continue; } if (arg == "-constr" && argidx+1 < args.size()) { @@ -1643,12 +1645,16 @@ struct AbcPass : public Pass { } extra_args(args, argidx, design); + if (liberty_files.empty() && !default_liberty_file.empty()) liberty_files.push_back(default_liberty_file); + rewrite_filename(script_file); if (!script_file.empty() && !is_absolute_path(script_file) && script_file[0] != '+') script_file = std::string(pwd) + "/" + script_file; - rewrite_filename(liberty_file); - if (!liberty_file.empty() && !is_absolute_path(liberty_file)) - liberty_file = std::string(pwd) + "/" + liberty_file; + for (int i = 0; i < GetSize(liberty_files); i++) { + rewrite_filename(liberty_files[i]); + if (!liberty_files[i].empty() && !is_absolute_path(liberty_files[i])) + liberty_files[i] = std::string(pwd) + "/" + liberty_files[i]; + } rewrite_filename(constr_file); if (!constr_file.empty() && !is_absolute_path(constr_file)) constr_file = std::string(pwd) + "/" + constr_file; @@ -1811,9 +1817,9 @@ struct AbcPass : public Pass { } } - if (!lut_costs.empty() && !liberty_file.empty()) + if (!lut_costs.empty() && !liberty_files.empty()) log_cmd_error("Got -lut and -liberty! These two options are exclusive.\n"); - if (!constr_file.empty() && liberty_file.empty()) + if (!constr_file.empty() && liberty_files.empty()) log_cmd_error("Got -constr but no -liberty!\n"); if (enabled_gates.empty()) { @@ -1844,7 +1850,7 @@ struct AbcPass : public Pass { initvals.set(&assign_map, mod); if (!dff_mode || !clk_str.empty()) { - abc_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff, + abc_module(design, mod, script_file, exe_file, liberty_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); continue; } @@ -1989,7 +1995,7 @@ struct AbcPass : public Pass { clk_sig = assign_map(std::get<1>(it.first)); en_polarity = std::get<2>(it.first); en_sig = assign_map(std::get<3>(it.first)); - abc_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$", + abc_module(design, mod, script_file, exe_file, liberty_files, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$", keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode, abc_dress); assign_map.set(mod); } -- 2.30.2