mirror of https://github.com/YosysHQ/yosys.git
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
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/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "kernel/register.h"
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#include "kernel/log.h"
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#include <stdlib.h>
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#include <stdio.h>
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struct FsmPass : public Pass {
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FsmPass() : Pass("fsm") { }
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
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{
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bool flag_nomap = false;
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bool flag_norecode = false;
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bool flag_expand = false;
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bool flag_export = false;
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std::string fm_set_fsm_file_opt;
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log_header("Executing FSM pass (extract and optimize FSM).\n");
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log_push();
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size_t argidx;
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for (argidx = 1; argidx < args.size(); argidx++) {
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std::string arg = args[argidx];
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if (arg == "-fm_set_fsm_file" && argidx+1 < args.size() && fm_set_fsm_file_opt.empty()) {
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fm_set_fsm_file_opt = " -fm_set_fsm_file " + args[++argidx];
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continue;
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}
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if (arg == "-norecode") {
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flag_norecode = true;
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continue;
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}
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if (arg == "-nomap") {
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flag_nomap = true;
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continue;
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}
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if (arg == "-expand") {
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flag_expand = true;
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continue;
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}
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if (arg == "-export") {
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flag_export = true;
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continue;
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}
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break;
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}
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extra_args(args, argidx, design);
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Pass::call(design, "fsm_detect");
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Pass::call(design, "fsm_extract");
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Pass::call(design, "fsm_opt");
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Pass::call(design, "opt_rmunused");
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Pass::call(design, "fsm_opt");
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if (flag_expand) {
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Pass::call(design, "fsm_expand");
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Pass::call(design, "opt_rmunused");
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Pass::call(design, "fsm_opt");
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}
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if (!flag_norecode)
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Pass::call(design, "fsm_recode" + fm_set_fsm_file_opt);
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Pass::call(design, "fsm_info");
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if (!flag_nomap)
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Pass::call(design, "fsm_map");
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if (flag_export)
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Pass::call(design, "fsm_export");
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log_pop();
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}
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} FsmPass;
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