mirror of https://github.com/YosysHQ/yosys.git
658 lines
21 KiB
C++
658 lines
21 KiB
C++
/*
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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 <string.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <dlfcn.h>
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#include <algorithm>
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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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// from kernel/version_*.o (cc source generated from Makefile)
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extern const char *yosys_version_str;
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bool fgetline(FILE *f, std::string &buffer)
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{
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buffer = "";
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char block[4096];
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while (1) {
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if (fgets(block, 4096, f) == NULL)
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return false;
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buffer += block;
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if (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' || buffer[buffer.size()-1] == '\r'))
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return true;
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}
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}
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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 = "script";
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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 = stdin;
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if (filename != "-")
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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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std::string command;
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while (fgetline(f, command)) {
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Pass::call(design, command);
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design->check();
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}
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if (!command.empty()) {
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Pass::call(design, command);
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design->check();
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}
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if (filename != "-")
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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 if (filename.empty())
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return;
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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.empty())
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filename = "-";
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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_obj_generator(const char *text, int state)
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{
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static std::vector<char*> obj_names;
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static size_t idx;
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if (!state)
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{
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idx = 0;
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obj_names.clear();
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RTLIL::Design *design = yosys_get_design();
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int len = strlen(text);
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if (design->selected_active_module.empty())
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{
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for (auto &it : design->modules)
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if (RTLIL::unescape_id(it.first).substr(0, len) == text)
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obj_names.push_back(strdup(RTLIL::id2cstr(it.first.c_str())));
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}
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else
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if (design->modules.count(design->selected_active_module) > 0)
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{
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RTLIL::Module *module = design->modules.at(design->selected_active_module);
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for (auto &it : module->wires)
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if (RTLIL::unescape_id(it.first).substr(0, len) == text)
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obj_names.push_back(strdup(RTLIL::id2cstr(it.first.c_str())));
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for (auto &it : module->memories)
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if (RTLIL::unescape_id(it.first).substr(0, len) == text)
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obj_names.push_back(strdup(RTLIL::id2cstr(it.first.c_str())));
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for (auto &it : module->cells)
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if (RTLIL::unescape_id(it.first).substr(0, len) == text)
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obj_names.push_back(strdup(RTLIL::id2cstr(it.first.c_str())));
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for (auto &it : module->processes)
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if (RTLIL::unescape_id(it.first).substr(0, len) == text)
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obj_names.push_back(strdup(RTLIL::id2cstr(it.first.c_str())));
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}
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std::sort(obj_names.begin(), obj_names.end());
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}
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if (idx < obj_names.size())
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return strdup(obj_names[idx++]);
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idx = 0;
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obj_names.clear();
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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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if (strncmp(rl_line_buffer, "read_", 5) && strncmp(rl_line_buffer, "write_", 6))
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return rl_completion_matches(text, readline_obj_generator);
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return NULL;
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}
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static const char *create_prompt(RTLIL::Design *design, int recursion_counter)
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{
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static char buffer[100];
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std::string str = "\n";
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if (recursion_counter > 1)
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str += stringf("(%d) ", recursion_counter);
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str += "yosys";
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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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static void shell(RTLIL::Design *design)
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{
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static int recursion_counter = 0;
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recursion_counter++;
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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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rl_basic_word_break_characters = " \t\n";
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char *command = NULL;
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while ((command = readline(create_prompt(design, recursion_counter))) != 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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char *p = command + strspn(command, " \t\r\n");
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if (!strncmp(p, "exit", 4)) {
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p += 4;
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p += strspn(p, " \t\r\n");
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if (*p == 0)
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break;
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}
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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 (command == NULL)
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printf("exit\n");
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recursion_counter--;
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log_cmd_error_throw = false;
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}
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struct ShellPass : public Pass {
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ShellPass() : Pass("shell", "enter interactive command mode") { }
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virtual void help() {
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log("\n");
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log(" shell\n");
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log("\n");
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log("This command enters the interactive command mode. This can be useful\n");
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log("in a script to interrupt the script at a certain point and allow for\n");
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log("interactive inspection or manual synthesis of the design at this point.\n");
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log("\n");
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log("The command prompt of the interactive shell indicates the current\n");
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log("selection (see 'help select'):\n");
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log("\n");
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log(" yosys>\n");
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log(" the entire design is selected\n");
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log("\n");
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log(" yosys*>\n");
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log(" only part of the design is selected\n");
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log("\n");
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log(" yosys [modname]>\n");
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log(" the entire module 'modname' is selected using 'select -module modname'\n");
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log("\n");
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log(" yosys [modname]*>\n");
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log(" only part of current module 'modname' is selected\n");
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log("\n");
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log("When in interactive shell, some errors (e.g. invalid command arguments)\n");
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log("do not terminate yosys but return to the command prompt.\n");
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log("\n");
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log("This command is the default action if nothing else has been specified\n");
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log("on the command line.\n");
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log("\n");
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log("Press Ctrl-D or type 'exit' to leave the interactive shell.\n");
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log("\n");
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}
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design) {
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extra_args(args, 1, design, false);
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shell(design);
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}
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} ShellPass;
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struct ScriptPass : public Pass {
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ScriptPass() : Pass("script", "execute commands from script file") { }
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virtual void help() {
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log("\n");
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log(" script <filename>\n");
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log("\n");
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log("This command executes the yosys commands in the specified file.\n");
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log("\n");
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}
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design) {
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if (args.size() < 2)
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log_cmd_error("Missing script file.\n");
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if (args.size() > 2)
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extra_args(args, 1, design, false);
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run_frontend(args[1], "script", design, NULL);
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}
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} ScriptPass;
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#ifdef YOSYS_ENABLE_TCL
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static Tcl_Interp *yosys_tcl_interp = NULL;
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static int tcl_yosys_cmd(ClientData, Tcl_Interp *interp, int argc, const char *argv[])
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{
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std::vector<std::string> args;
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for (int i = 1; i < argc; i++)
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args.push_back(argv[i]);
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if (args.size() >= 1 && args[0] == "-import") {
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for (auto &it : REGISTER_INTERN::pass_register) {
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std::string tcl_command_name = it.first;
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if (tcl_command_name == "proc")
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tcl_command_name = "procs";
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Tcl_CmdInfo info;
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if (Tcl_GetCommandInfo(interp, tcl_command_name.c_str(), &info) != 0) {
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log("[TCL: yosys -import] Command name collision: found pre-existing command `%s' -> skip.\n", it.first.c_str());
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} else {
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std::string tcl_script = stringf("proc %s args { yosys %s {*}$args }", tcl_command_name.c_str(), it.first.c_str());
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Tcl_Eval(interp, tcl_script.c_str());
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}
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}
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return TCL_OK;
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}
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if (args.size() == 1) {
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Pass::call(yosys_get_design(), args[0]);
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return TCL_OK;
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}
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Pass::call(yosys_get_design(), args);
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return TCL_OK;
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}
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extern Tcl_Interp *yosys_get_tcl_interp()
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{
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if (yosys_tcl_interp == NULL) {
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yosys_tcl_interp = Tcl_CreateInterp();
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Tcl_CreateCommand(yosys_tcl_interp, "yosys", tcl_yosys_cmd, NULL, NULL);
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}
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return yosys_tcl_interp;
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}
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struct TclPass : public Pass {
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TclPass() : Pass("tcl", "execute a TCL script file") { }
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virtual void help() {
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log("\n");
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log(" tcl <filename>\n");
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log("\n");
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log("This command executes the tcl commands in the specified file.\n");
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log("Use 'yosys cmd' to run the yosys command 'cmd' from tcl.\n");
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log("\n");
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log("The tcl command 'yosys -import' can be used to import all yosys\n");
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log("commands directly as tcl commands to the tcl shell. The yosys\n");
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log("command 'proc' is wrapped using the tcl command 'procs' in order\n");
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log("to avoid a name collision with the tcl builting command 'proc'.\n");
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log("\n");
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}
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design) {
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if (args.size() < 2)
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log_cmd_error("Missing script file.\n");
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if (args.size() > 2)
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extra_args(args, 1, design, false);
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if (Tcl_EvalFile(yosys_get_tcl_interp(), args[1].c_str()) != TCL_OK)
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log_cmd_error("TCL interpreter returned an error: %s\n", Tcl_GetStringResult(yosys_get_tcl_interp()));
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}
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} TclPass;
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#endif
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static RTLIL::Design *yosys_design = NULL;
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extern RTLIL::Design *yosys_get_design()
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{
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return yosys_design;
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}
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std::string rewrite_yosys_exe(std::string exe)
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{
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char buffer[1024];
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ssize_t buflen = readlink("/proc/self/exe", buffer, sizeof(buffer)-1);
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if (buflen < 0)
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return exe;
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buffer[buflen] = 0;
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std::string newexe = stringf("%s/%s", dirname(buffer), exe.c_str());
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if (access(newexe.c_str(), X_OK) == 0)
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return newexe;
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return exe;
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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::vector<void*> loaded_modules;
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std::string output_filename = "";
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std::string scriptfile = "";
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bool scriptfile_tcl = false;
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bool got_output_filename = false;
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int history_offset = 0;
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std::string history_file;
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if (getenv("HOME") != NULL) {
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history_file = stringf("%s/.yosys_history", getenv("HOME"));
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read_history(history_file.c_str());
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history_offset = where_history();
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}
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int opt;
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while ((opt = getopt(argc, argv, "VSm:f:b:o:p:l:qts:c:")) != -1)
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{
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switch (opt)
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{
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case 'V':
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printf("%s\n", yosys_version_str);
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exit(0);
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case 'S':
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backend_command = "verilog -noattr";
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passes_commands.push_back("hierarchy");
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passes_commands.push_back("proc");
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passes_commands.push_back("opt");
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passes_commands.push_back("memory");
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passes_commands.push_back("techmap");
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passes_commands.push_back("opt");
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break;
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case 'm':
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loaded_modules.push_back(dlopen(optarg, RTLD_LAZY|RTLD_GLOBAL));
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if (loaded_modules.back() == NULL) {
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fprintf(stderr, "Can't load module `%s': %s\n", optarg, dlerror());
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exit(1);
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}
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break;
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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);
|
|
}
|
|
break;
|
|
case 'q':
|
|
log_errfile = stderr;
|
|
break;
|
|
case 't':
|
|
log_time = true;
|
|
break;
|
|
case 's':
|
|
scriptfile = optarg;
|
|
scriptfile_tcl = false;
|
|
break;
|
|
case 'c':
|
|
scriptfile = optarg;
|
|
scriptfile_tcl = true;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "Usage: %s [-V] [-S] [-q] [-t] [-l logfile] [-o <outfile>] [-f <frontend>] [{-s|-c} <scriptfile>]\n", argv[0]);
|
|
fprintf(stderr, " %*s[-p <pass> [-p ..]] [-b <backend>] [-m <module_file>] [<infile> [..]]\n", int(strlen(argv[0])+1), "");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -q\n");
|
|
fprintf(stderr, " quiet operation. only write error messages to console\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -t\n");
|
|
fprintf(stderr, " annotate all log messages with a time stamp\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -l logfile\n");
|
|
fprintf(stderr, " write log messages to the specified file\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -o outfile\n");
|
|
fprintf(stderr, " write the design to the specified file on exit\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -b backend\n");
|
|
fprintf(stderr, " use this backend for the output file specified on the command line\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -f backend\n");
|
|
fprintf(stderr, " use the specified front for the input files on the command line\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -s scriptfile\n");
|
|
fprintf(stderr, " execute the commands in the script file\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -c tcl_scriptfile\n");
|
|
fprintf(stderr, " execute the commands in the tcl script file (see 'help tcl' for details)\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -p command\n");
|
|
fprintf(stderr, " execute the commands\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -m module_file\n");
|
|
fprintf(stderr, " load the specified module (aka plugin)\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -V\n");
|
|
fprintf(stderr, " print version information and exit\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "The option -S is an alias for the following options that perform a simple\n");
|
|
fprintf(stderr, "transformation of the input to a gate-level netlist. This can be helpful when\n");
|
|
fprintf(stderr, "e.g. using yosys as a pre-processor for a tool that can't understand full verilog.\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, " -b 'verilog -noattr' -p hierarchy -p proc -p opt -p memory -p techmap -p opt\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "For more complex synthesis jobs it is recommended to use the read_* and write_*\n");
|
|
fprintf(stderr, "commands in a script file instead of specifying input and output files on the\n");
|
|
fprintf(stderr, "command line.\n");
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "When no commands, script files and input files are specified on the command\n");
|
|
fprintf(stderr, "line, yosys automatically enters the interactive command mode. Use the 'help'\n");
|
|
fprintf(stderr, "command to get information on the individual commands.\n");
|
|
fprintf(stderr, "\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (log_errfile == NULL)
|
|
log_files.push_back(stderr);
|
|
|
|
log("\n");
|
|
log(" /-----------------------------------------------------------------------------\\\n");
|
|
log(" | |\n");
|
|
log(" | yosys -- Yosys Open SYnthesis Suite |\n");
|
|
log(" | |\n");
|
|
log(" | Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> |\n");
|
|
log(" | |\n");
|
|
log(" | Permission to use, copy, modify, and/or distribute this software for any |\n");
|
|
log(" | purpose with or without fee is hereby granted, provided that the above |\n");
|
|
log(" | copyright notice and this permission notice appear in all copies. |\n");
|
|
log(" | |\n");
|
|
log(" | THE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |\n");
|
|
log(" | WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |\n");
|
|
log(" | MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |\n");
|
|
log(" | ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |\n");
|
|
log(" | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |\n");
|
|
log(" | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |\n");
|
|
log(" | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |\n");
|
|
log(" | |\n");
|
|
log(" \\-----------------------------------------------------------------------------/\n");
|
|
log("\n");
|
|
log(" %s\n", yosys_version_str);
|
|
log("\n");
|
|
|
|
Pass::init_register();
|
|
|
|
yosys_design = new RTLIL::Design;
|
|
yosys_design->selection_stack.push_back(RTLIL::Selection());
|
|
log_push();
|
|
|
|
if (optind == argc && passes_commands.size() == 0 && scriptfile.empty()) {
|
|
if (!got_output_filename)
|
|
backend_command = "";
|
|
shell(yosys_design);
|
|
}
|
|
|
|
while (optind < argc)
|
|
run_frontend(argv[optind++], frontend_command, yosys_design, output_filename == "-" ? &backend_command : NULL);
|
|
|
|
if (!scriptfile.empty()) {
|
|
if (scriptfile_tcl) {
|
|
#ifdef YOSYS_ENABLE_TCL
|
|
if (Tcl_EvalFile(yosys_get_tcl_interp(), scriptfile.c_str()) != TCL_OK)
|
|
log_error("TCL interpreter returned an error: %s\n", Tcl_GetStringResult(yosys_get_tcl_interp()));
|
|
#else
|
|
log_error("Can't exectue TCL script: this version of yosys is not built with TCL support enabled.\n");
|
|
#endif
|
|
} else
|
|
run_frontend(scriptfile, "script", yosys_design, output_filename == "-" ? &backend_command : NULL);
|
|
}
|
|
|
|
for (auto it = passes_commands.begin(); it != passes_commands.end(); it++)
|
|
run_pass(*it, yosys_design);
|
|
|
|
if (!backend_command.empty())
|
|
run_backend(output_filename, backend_command, yosys_design);
|
|
|
|
delete yosys_design;
|
|
yosys_design = NULL;
|
|
|
|
log("\nREADY.\n");
|
|
log_pop();
|
|
|
|
if (!history_file.empty()) {
|
|
if (history_offset > 0) {
|
|
history_truncate_file(history_file.c_str(), 100);
|
|
append_history(where_history() - history_offset, history_file.c_str());
|
|
} else
|
|
write_history(history_file.c_str());
|
|
}
|
|
|
|
clear_history();
|
|
HIST_ENTRY **hist_list = history_list();
|
|
if (hist_list != NULL)
|
|
free(hist_list);
|
|
|
|
for (auto f : log_files)
|
|
if (f != stderr)
|
|
fclose(f);
|
|
log_errfile = NULL;
|
|
log_files.clear();
|
|
|
|
Pass::done_register();
|
|
|
|
for (auto mod : loaded_modules)
|
|
dlclose(mod);
|
|
|
|
#ifdef YOSYS_ENABLE_TCL
|
|
if (yosys_tcl_interp != NULL) {
|
|
Tcl_DeleteInterp(yosys_tcl_interp);
|
|
Tcl_Finalize();
|
|
yosys_tcl_interp = NULL;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|