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https://github.com/YosysHQ/yosys
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initial import
This commit is contained in:
Clifford Wolf
commit
7764d0ba1d
481 changed files with 54634 additions and 0 deletions
253
kernel/driver.cc
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253
kernel/driver.cc
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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 <stdio.h>
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#include <readline/readline.h>
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#include <readline/history.h>
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#include "kernel/rtlil.h"
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#include "kernel/register.h"
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#include "kernel/log.h"
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#include <string.h>
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#include <unistd.h>
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static void run_frontend(std::string filename, std::string command, RTLIL::Design *design, std::string *backend_command)
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{
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if (command == "auto") {
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if (filename.size() > 2 && filename.substr(filename.size()-2) == ".v")
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command = "verilog";
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else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".il")
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command = "ilang";
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else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".ys")
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command = "script";
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else if (filename == "-")
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command = "ilang";
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else
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log_error("Can't guess frontend for input file `%s' (missing -f option)!\n", filename.c_str());
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}
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if (command == "script") {
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log("\n-- Executing script file `%s' --\n", filename.c_str());
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FILE *f = fopen(filename.c_str(), "r");
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if (f == NULL)
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log_error("Can;t open script file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
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char buffer[4096];
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while (fgets(buffer, 4096, f) != NULL) {
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Pass::call(design, buffer);
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design->check();
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}
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fclose(f);
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if (backend_command != NULL && *backend_command == "auto")
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*backend_command = "";
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return;
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}
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if (filename == "-") {
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log("\n-- Parsing stdin using frontend `%s' --\n", command.c_str());
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} else {
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log("\n-- Parsing `%s' using frontend `%s' --\n", filename.c_str(), command.c_str());
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}
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Frontend::frontend_call(design, NULL, filename, command);
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design->check();
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}
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static void run_pass(std::string command, RTLIL::Design *design)
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{
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log("\n-- Running pass `%s' --\n", command.c_str());
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Pass::call(design, command);
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design->check();
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}
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static void run_backend(std::string filename, std::string command, RTLIL::Design *design)
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{
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if (command == "auto") {
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if (filename.size() > 2 && filename.substr(filename.size()-2) == ".v")
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command = "verilog";
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else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".il")
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command = "ilang";
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else if (filename == "-")
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command = "ilang";
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else
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log_error("Can't guess frontend for input file `%s' (missing -f option)!\n", filename.c_str());
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}
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if (filename == "-") {
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log("\n-- Writing to stdout using backend `%s' --\n", command.c_str());
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} else {
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log("\n-- Writing to `%s' using backend `%s' --\n", filename.c_str(), command.c_str());
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}
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Backend::backend_call(design, NULL, filename, command);
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design->check();
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}
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static char *readline_cmd_generator(const char *text, int state)
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{
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static std::map<std::string, Pass*>::iterator it;
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static int len;
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if (!state) {
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it = REGISTER_INTERN::pass_register.begin();
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len = strlen(text);
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}
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for (; it != REGISTER_INTERN::pass_register.end(); it++) {
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if (it->first.substr(0, len) == text)
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return strdup((it++)->first.c_str());
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}
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return NULL;
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}
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static char **readline_completion(const char *text, int start, int)
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{
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if (start == 0)
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return rl_completion_matches(text, readline_cmd_generator);
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return NULL;
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}
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static const char *create_prompt(RTLIL::Design *design)
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{
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static char buffer[100];
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std::string str = "\nyosys";
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if (!design->selected_active_module.empty())
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str += stringf(" [%s]", design->selected_active_module.c_str());
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if (!design->selection_stack.back().full_selection) {
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if (design->selected_active_module.empty())
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str += "*";
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else if (design->selection_stack.back().selected_modules.size() != 1 || design->selection_stack.back().selected_members.size() != 0 ||
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design->selection_stack.back().selected_modules.count(design->selected_active_module) == 0)
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str += "*";
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}
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snprintf(buffer, 100, "%s> ", str.c_str());
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return buffer;
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}
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int main(int argc, char **argv)
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{
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std::string frontend_command = "auto";
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std::string backend_command = "auto";
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std::vector<std::string> passes_commands;
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std::string output_filename = "-";
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std::string scriptfile = "";
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bool got_output_filename = false;
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RTLIL::Design *design = new RTLIL::Design;
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design->selection_stack.push_back(RTLIL::Selection());
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log_push();
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int opt;
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while ((opt = getopt(argc, argv, "f:b:o:p:l:qts:")) != -1)
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{
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switch (opt)
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{
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case 'f':
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frontend_command = optarg;
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break;
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case 'b':
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backend_command = optarg;
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break;
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case 'p':
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passes_commands.push_back(optarg);
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break;
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case 'o':
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output_filename = optarg;
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got_output_filename = true;
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break;
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case 'l':
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log_files.push_back(fopen(optarg, "wt"));
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if (log_files.back() == NULL) {
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fprintf(stderr, "Can't open log file `%s' for writing!\n", optarg);
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exit(1);
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}
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break;
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case 'q':
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log_errfile = stderr;
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break;
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case 't':
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log_time = true;
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break;
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case 's':
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scriptfile = optarg;
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break;
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default:
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fprintf(stderr, "Usage: %s [-q] [-t] [-l logfile] [-o <outfile>] [-f <frontend>] [-s <scriptfile>] [-p <pass> [-p ..]] [-b <backend>] [<infile> [..]]\n", argv[0]);
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exit(1);
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}
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}
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if (log_errfile == NULL)
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log_files.push_back(stderr);
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if (optind == argc && passes_commands.size() == 0 && scriptfile.empty())
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{
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log_cmd_error_throw = true;
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rl_readline_name = "yosys";
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rl_attempted_completion_function = readline_completion;
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char *command = NULL;
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while ((command = readline(create_prompt(design))) != NULL)
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{
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if (command[strspn(command, " \t\r\n")] == 0)
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continue;
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add_history(command);
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try {
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assert(design->selection_stack.size() == 1);
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Pass::call(design, command);
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} catch (int) {
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while (design->selection_stack.size() > 1)
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design->selection_stack.pop_back();
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log_reset_stack();
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}
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}
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if (!got_output_filename)
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backend_command = "";
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log_cmd_error_throw = false;
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}
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while (optind < argc)
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run_frontend(argv[optind++], frontend_command, design, output_filename == "-" ? &backend_command : NULL);
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if (!scriptfile.empty())
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run_frontend(scriptfile, "script", design, output_filename == "-" ? &backend_command : NULL);
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for (auto it = passes_commands.begin(); it != passes_commands.end(); it++)
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run_pass(*it, design);
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if (!backend_command.empty())
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run_backend(output_filename, backend_command, design);
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delete design;
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log("\nREADY.\n");
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log_pop();
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for (auto f : log_files)
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if (f != stderr)
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fclose(f);
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log_errfile = NULL;
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log_files.clear();
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return 0;
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}
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