* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
- *
+ *
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
*/
#include "kernel/yosys.h"
+#include "kernel/celltypes.h"
+
+#ifdef YOSYS_ENABLE_READLINE
+# include <readline/readline.h>
+# include <readline/history.h>
+#endif
+
+#ifdef YOSYS_ENABLE_EDITLINE
+# include <editline/readline.h>
+#endif
+
+#ifdef YOSYS_ENABLE_PLUGINS
+# include <dlfcn.h>
+#endif
+
+#if defined(_WIN32)
+# include <windows.h>
+# include <io.h>
+#elif defined(__APPLE__)
+# include <mach-o/dyld.h>
+# include <unistd.h>
+# include <dirent.h>
+# include <sys/stat.h>
+#else
+# include <unistd.h>
+# include <dirent.h>
+# include <sys/types.h>
+# include <sys/wait.h>
+# include <sys/stat.h>
+#endif
+
+#if !defined(_WIN32) && defined(YOSYS_ENABLE_GLOB)
+# include <glob.h>
+#endif
+
+#ifdef __FreeBSD__
+# include <sys/sysctl.h>
+#endif
+
+#ifdef WITH_PYTHON
+#if PY_MAJOR_VERSION >= 3
+# define INIT_MODULE PyInit_libyosys
+ extern "C" PyObject* INIT_MODULE();
+#else
+# define INIT_MODULE initlibyosys
+ extern "C" void INIT_MODULE();
+#endif
+#endif
+
+#include <limits.h>
+#include <errno.h>
+
+YOSYS_NAMESPACE_BEGIN
+
+int autoidx = 1;
+int yosys_xtrace = 0;
+RTLIL::Design *yosys_design = NULL;
+CellTypes yosys_celltypes;
+
+#ifdef YOSYS_ENABLE_TCL
+Tcl_Interp *yosys_tcl_interp = NULL;
+#endif
+
+std::set<std::string> yosys_input_files, yosys_output_files;
+
+bool memhasher_active = false;
+uint32_t memhasher_rng = 123456;
+std::vector<void*> memhasher_store;
+
+void memhasher_on()
+{
+#if defined(__linux__) || defined(__FreeBSD__)
+ memhasher_rng += time(NULL) << 16 ^ getpid();
+#endif
+ memhasher_store.resize(0x10000);
+ memhasher_active = true;
+}
+
+void memhasher_off()
+{
+ for (auto p : memhasher_store)
+ if (p) free(p);
+ memhasher_store.clear();
+ memhasher_active = false;
+}
+
+void memhasher_do()
+{
+ memhasher_rng ^= memhasher_rng << 13;
+ memhasher_rng ^= memhasher_rng >> 17;
+ memhasher_rng ^= memhasher_rng << 5;
+
+ int size, index = (memhasher_rng >> 4) & 0xffff;
+ switch (memhasher_rng & 7) {
+ case 0: size = 16; break;
+ case 1: size = 256; break;
+ case 2: size = 1024; break;
+ case 3: size = 4096; break;
+ default: size = 0;
+ }
+ if (index < 16) size *= 16;
+ memhasher_store[index] = realloc(memhasher_store[index], size);
+}
+
+void yosys_banner()
+{
+ log("\n");
+ log(" /----------------------------------------------------------------------------\\\n");
+ log(" | |\n");
+ log(" | yosys -- Yosys Open SYnthesis Suite |\n");
+ log(" | |\n");
+ log(" | Copyright (C) 2012 - 2018 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");
+}
+
+int ceil_log2(int x)
+{
+#if defined(__GNUC__)
+ return x > 1 ? (8*sizeof(int)) - __builtin_clz(x-1) : 0;
+#else
+ if (x <= 0)
+ return 0;
+ for (int i = 0; i < 32; i++)
+ if (((x-1) >> i) == 0)
+ return i;
+ log_abort();
+#endif
+}
std::string stringf(const char *fmt, ...)
{
std::string string;
- char *str = NULL;
va_list ap;
va_start(ap, fmt);
+ string = vstringf(fmt, ap);
+ va_end(ap);
+
+ return string;
+}
+
+std::string vstringf(const char *fmt, va_list ap)
+{
+ std::string string;
+ char *str = NULL;
+
+#if defined(_WIN32 )|| defined(__CYGWIN__)
+ int sz = 64, rc;
+ while (1) {
+ va_list apc;
+ va_copy(apc, ap);
+ str = (char*)realloc(str, sz);
+ rc = vsnprintf(str, sz, fmt, apc);
+ va_end(apc);
+ if (rc >= 0 && rc < sz)
+ break;
+ sz *= 2;
+ }
+#else
if (vasprintf(&str, fmt, ap) < 0)
str = NULL;
- va_end(ap);
+#endif
if (str != NULL) {
string = str;
return string;
}
+int readsome(std::istream &f, char *s, int n)
+{
+ int rc = int(f.readsome(s, n));
+
+ // f.readsome() sometimes returns 0 on a non-empty stream..
+ if (rc == 0) {
+ int c = f.get();
+ if (c != EOF) {
+ *s = c;
+ rc = 1;
+ }
+ }
+
+ return rc;
+}
+
+std::string next_token(std::string &text, const char *sep, bool long_strings)
+{
+ size_t pos_begin = text.find_first_not_of(sep);
+
+ if (pos_begin == std::string::npos)
+ pos_begin = text.size();
+
+ if (long_strings && pos_begin != text.size() && text[pos_begin] == '"') {
+ string sep_string = sep;
+ for (size_t i = pos_begin+1; i < text.size(); i++) {
+ if (text[i] == '"' && (i+1 == text.size() || sep_string.find(text[i+1]) != std::string::npos)) {
+ std::string token = text.substr(pos_begin, i-pos_begin+1);
+ text = text.substr(i+1);
+ return token;
+ }
+ if (i+1 < text.size() && text[i] == '"' && text[i+1] == ';' && (i+2 == text.size() || sep_string.find(text[i+2]) != std::string::npos)) {
+ std::string token = text.substr(pos_begin, i-pos_begin+1);
+ text = text.substr(i+2);
+ return token + ";";
+ }
+ }
+ }
+
+ size_t pos_end = text.find_first_of(sep, pos_begin);
+
+ if (pos_end == std::string::npos)
+ pos_end = text.size();
+
+ std::string token = text.substr(pos_begin, pos_end-pos_begin);
+ text = text.substr(pos_end);
+ return token;
+}
+
+std::vector<std::string> split_tokens(const std::string &text, const char *sep)
+{
+ std::vector<std::string> tokens;
+ std::string current_token;
+ for (char c : text) {
+ if (strchr(sep, c)) {
+ if (!current_token.empty()) {
+ tokens.push_back(current_token);
+ current_token.clear();
+ }
+ } else
+ current_token += c;
+ }
+ if (!current_token.empty()) {
+ tokens.push_back(current_token);
+ current_token.clear();
+ }
+ return tokens;
+}
+
+// this is very similar to fnmatch(). the exact rules used by this
+// function are:
+//
+// ? matches any character except
+// * matches any sequence of characters
+// [...] matches any of the characters in the list
+// [!..] matches any of the characters not in the list
+//
+// a backslash may be used to escape the next characters in the
+// pattern. each special character can also simply match itself.
+//
+bool patmatch(const char *pattern, const char *string)
+{
+ if (*pattern == 0)
+ return *string == 0;
+
+ if (*pattern == '\\') {
+ if (pattern[1] == string[0] && patmatch(pattern+2, string+1))
+ return true;
+ }
+
+ if (*pattern == '?') {
+ if (*string == 0)
+ return false;
+ return patmatch(pattern+1, string+1);
+ }
+
+ if (*pattern == '*') {
+ while (*string) {
+ if (patmatch(pattern+1, string++))
+ return true;
+ }
+ return pattern[1] == 0;
+ }
+
+ if (*pattern == '[') {
+ bool found_match = false;
+ bool inverted_list = pattern[1] == '!';
+ const char *p = pattern + (inverted_list ? 1 : 0);
+
+ while (*++p) {
+ if (*p == ']') {
+ if (found_match != inverted_list && patmatch(p+1, string+1))
+ return true;
+ break;
+ }
+
+ if (*p == '\\') {
+ if (*++p == *string)
+ found_match = true;
+ } else
+ if (*p == *string)
+ found_match = true;
+ }
+ }
+
+ if (*pattern == *string)
+ return patmatch(pattern+1, string+1);
+
+ return false;
+}
+
+int run_command(const std::string &command, std::function<void(const std::string&)> process_line)
+{
+ if (!process_line)
+ return system(command.c_str());
+
+ FILE *f = popen(command.c_str(), "r");
+ if (f == nullptr)
+ return -1;
+
+ std::string line;
+ char logbuf[128];
+ while (fgets(logbuf, 128, f) != NULL) {
+ line += logbuf;
+ if (!line.empty() && line.back() == '\n')
+ process_line(line), line.clear();
+ }
+ if (!line.empty())
+ process_line(line);
+
+ int ret = pclose(f);
+ if (ret < 0)
+ return -1;
+#ifdef _WIN32
+ return ret;
+#else
+ return WEXITSTATUS(ret);
+#endif
+}
+
+std::string make_temp_file(std::string template_str)
+{
+#ifdef _WIN32
+ if (template_str.rfind("/tmp/", 0) == 0) {
+# ifdef __MINGW32__
+ char longpath[MAX_PATH + 1];
+ char shortpath[MAX_PATH + 1];
+# else
+ WCHAR longpath[MAX_PATH + 1];
+ TCHAR shortpath[MAX_PATH + 1];
+# endif
+ if (!GetTempPath(MAX_PATH+1, longpath))
+ log_error("GetTempPath() failed.\n");
+ if (!GetShortPathName(longpath, shortpath, MAX_PATH + 1))
+ log_error("GetShortPathName() failed.\n");
+ std::string path;
+ for (int i = 0; shortpath[i]; i++)
+ path += char(shortpath[i]);
+ template_str = stringf("%s\\%s", path.c_str(), template_str.c_str() + 5);
+ }
+
+ size_t pos = template_str.rfind("XXXXXX");
+ log_assert(pos != std::string::npos);
+
+ while (1) {
+ for (int i = 0; i < 6; i++) {
+ static std::string y = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ static uint32_t x = 314159265 ^ uint32_t(time(NULL));
+ x ^= x << 13, x ^= x >> 17, x ^= x << 5;
+ template_str[pos+i] = y[x % y.size()];
+ }
+ if (_access(template_str.c_str(), 0) != 0)
+ break;
+ }
+#else
+ size_t pos = template_str.rfind("XXXXXX");
+ log_assert(pos != std::string::npos);
+
+ int suffixlen = GetSize(template_str) - pos - 6;
+
+ char *p = strdup(template_str.c_str());
+ close(mkstemps(p, suffixlen));
+ template_str = p;
+ free(p);
+#endif
+
+ return template_str;
+}
+
+std::string make_temp_dir(std::string template_str)
+{
+#ifdef _WIN32
+ template_str = make_temp_file(template_str);
+ mkdir(template_str.c_str());
+ return template_str;
+#else
+# ifndef NDEBUG
+ size_t pos = template_str.rfind("XXXXXX");
+ log_assert(pos != std::string::npos);
+
+ int suffixlen = GetSize(template_str) - pos - 6;
+ log_assert(suffixlen == 0);
+# endif
+
+ char *p = strdup(template_str.c_str());
+ p = mkdtemp(p);
+ log_assert(p != NULL);
+ template_str = p;
+ free(p);
+
+ return template_str;
+#endif
+}
+
+#ifdef _WIN32
+bool check_file_exists(std::string filename, bool)
+{
+ return _access(filename.c_str(), 0) == 0;
+}
+#else
+bool check_file_exists(std::string filename, bool is_exec)
+{
+ return access(filename.c_str(), is_exec ? X_OK : F_OK) == 0;
+}
+#endif
+
+bool is_absolute_path(std::string filename)
+{
+#ifdef _WIN32
+ return filename[0] == '/' || filename[0] == '\\' || (filename[0] != 0 && filename[1] == ':');
+#else
+ return filename[0] == '/';
+#endif
+}
+
+void remove_directory(std::string dirname)
+{
+#ifdef _WIN32
+ run_command(stringf("rmdir /s /q \"%s\"", dirname.c_str()));
+#else
+ struct stat stbuf;
+ struct dirent **namelist;
+ int n = scandir(dirname.c_str(), &namelist, nullptr, alphasort);
+ log_assert(n >= 0);
+ for (int i = 0; i < n; i++) {
+ if (strcmp(namelist[i]->d_name, ".") && strcmp(namelist[i]->d_name, "..")) {
+ std::string buffer = stringf("%s/%s", dirname.c_str(), namelist[i]->d_name);
+ if (!stat(buffer.c_str(), &stbuf) && S_ISREG(stbuf.st_mode)) {
+ remove(buffer.c_str());
+ } else
+ remove_directory(buffer);
+ }
+ free(namelist[i]);
+ }
+ free(namelist);
+ rmdir(dirname.c_str());
+#endif
+}
+
+std::string escape_filename_spaces(const std::string& filename)
+{
+ std::string out;
+ out.reserve(filename.size());
+ for (auto c : filename)
+ {
+ if (c == ' ')
+ out += "\\ ";
+ else
+ out.push_back(c);
+ }
+ return out;
+}
+
+int GetSize(RTLIL::Wire *wire)
+{
+ return wire->width;
+}
+
+bool already_setup = false;
+
+void yosys_setup()
+{
+ if(already_setup)
+ return;
+ already_setup = true;
+ // if there are already IdString objects then we have a global initialization order bug
+ IdString empty_id;
+ log_assert(empty_id.index_ == 0);
+ IdString::get_reference(empty_id.index_);
+
+ #ifdef WITH_PYTHON
+ PyImport_AppendInittab((char*)"libyosys", INIT_MODULE);
+ Py_Initialize();
+ PyRun_SimpleString("import sys");
+ #endif
+
+ Pass::init_register();
+ yosys_design = new RTLIL::Design;
+ yosys_celltypes.setup();
+ log_push();
+}
+
+bool yosys_already_setup()
+{
+ return already_setup;
+}
+
+bool already_shutdown = false;
+
+void yosys_shutdown()
+{
+ if(already_shutdown)
+ return;
+ already_shutdown = true;
+ log_pop();
+
+ delete yosys_design;
+ yosys_design = NULL;
+
+ for (auto f : log_files)
+ if (f != stderr)
+ fclose(f);
+ log_errfile = NULL;
+ log_files.clear();
+
+ Pass::done_register();
+ yosys_celltypes.clear();
+
+#ifdef YOSYS_ENABLE_TCL
+ if (yosys_tcl_interp != NULL) {
+ Tcl_DeleteInterp(yosys_tcl_interp);
+ Tcl_Finalize();
+ yosys_tcl_interp = NULL;
+ }
+#endif
+
+#ifdef YOSYS_ENABLE_PLUGINS
+ for (auto &it : loaded_plugins)
+ dlclose(it.second);
+
+ loaded_plugins.clear();
+#ifdef WITH_PYTHON
+ loaded_python_plugins.clear();
+#endif
+ loaded_plugin_aliases.clear();
+#endif
+
+#ifdef WITH_PYTHON
+ Py_Finalize();
+#endif
+
+ IdString empty_id;
+ IdString::put_reference(empty_id.index_);
+}
+
+RTLIL::IdString new_id(std::string file, int line, std::string func)
+{
+#ifdef _WIN32
+ size_t pos = file.find_last_of("/\\");
+#else
+ size_t pos = file.find_last_of('/');
+#endif
+ if (pos != std::string::npos)
+ file = file.substr(pos+1);
+
+ pos = func.find_last_of(':');
+ if (pos != std::string::npos)
+ func = func.substr(pos+1);
+
+ return stringf("$auto$%s:%d:%s$%d", file.c_str(), line, func.c_str(), autoidx++);
+}
+
+RTLIL::Design *yosys_get_design()
+{
+ return yosys_design;
+}
+
+const char *create_prompt(RTLIL::Design *design, int recursion_counter)
+{
+ static char buffer[100];
+ std::string str = "\n";
+ if (recursion_counter > 1)
+ str += stringf("(%d) ", recursion_counter);
+ str += "yosys";
+ if (!design->selected_active_module.empty())
+ str += stringf(" [%s]", RTLIL::unescape_id(design->selected_active_module).c_str());
+ if (!design->selection_stack.empty() && !design->selection_stack.back().full_selection) {
+ if (design->selected_active_module.empty())
+ str += "*";
+ else if (design->selection_stack.back().selected_modules.size() != 1 || design->selection_stack.back().selected_members.size() != 0 ||
+ design->selection_stack.back().selected_modules.count(design->selected_active_module) == 0)
+ str += "*";
+ }
+ snprintf(buffer, 100, "%s> ", str.c_str());
+ return buffer;
+}
+
+std::vector<std::string> glob_filename(const std::string &filename_pattern)
+{
+ std::vector<std::string> results;
+
+#if defined(_WIN32) || !defined(YOSYS_ENABLE_GLOB)
+ results.push_back(filename_pattern);
+#else
+ glob_t globbuf;
+
+ int err = glob(filename_pattern.c_str(), 0, NULL, &globbuf);
+
+ if(err == 0) {
+ for (size_t i = 0; i < globbuf.gl_pathc; i++)
+ results.push_back(globbuf.gl_pathv[i]);
+ globfree(&globbuf);
+ } else {
+ results.push_back(filename_pattern);
+ }
+#endif
+
+ return results;
+}
+
+void rewrite_filename(std::string &filename)
+{
+ if (filename.substr(0, 1) == "\"" && filename.substr(GetSize(filename)-1) == "\"")
+ filename = filename.substr(1, GetSize(filename)-2);
+ if (filename.substr(0, 2) == "+/")
+ filename = proc_share_dirname() + filename.substr(2);
+}
+
+#ifdef YOSYS_ENABLE_TCL
+static int tcl_yosys_cmd(ClientData, Tcl_Interp *interp, int argc, const char *argv[])
+{
+ std::vector<std::string> args;
+ for (int i = 1; i < argc; i++)
+ args.push_back(argv[i]);
+
+ if (args.size() >= 1 && args[0] == "-import") {
+ for (auto &it : pass_register) {
+ std::string tcl_command_name = it.first;
+ if (tcl_command_name == "proc")
+ tcl_command_name = "procs";
+ else if (tcl_command_name == "rename")
+ tcl_command_name = "renames";
+ Tcl_CmdInfo info;
+ if (Tcl_GetCommandInfo(interp, tcl_command_name.c_str(), &info) != 0) {
+ log("[TCL: yosys -import] Command name collision: found pre-existing command `%s' -> skip.\n", it.first.c_str());
+ } else {
+ std::string tcl_script = stringf("proc %s args { yosys %s {*}$args }", tcl_command_name.c_str(), it.first.c_str());
+ Tcl_Eval(interp, tcl_script.c_str());
+ }
+ }
+ return TCL_OK;
+ }
+
+ if (args.size() == 1) {
+ Pass::call(yosys_get_design(), args[0]);
+ return TCL_OK;
+ }
+
+ Pass::call(yosys_get_design(), args);
+ return TCL_OK;
+}
+
+extern Tcl_Interp *yosys_get_tcl_interp()
+{
+ if (yosys_tcl_interp == NULL) {
+ yosys_tcl_interp = Tcl_CreateInterp();
+ Tcl_CreateCommand(yosys_tcl_interp, "yosys", tcl_yosys_cmd, NULL, NULL);
+ }
+ return yosys_tcl_interp;
+}
+
+struct TclPass : public Pass {
+ TclPass() : Pass("tcl", "execute a TCL script file") { }
+ void help() YS_OVERRIDE {
+ // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+ log("\n");
+ log(" tcl <filename> [args]\n");
+ log("\n");
+ log("This command executes the tcl commands in the specified file.\n");
+ log("Use 'yosys cmd' to run the yosys command 'cmd' from tcl.\n");
+ log("\n");
+ log("The tcl command 'yosys -import' can be used to import all yosys\n");
+ log("commands directly as tcl commands to the tcl shell. Yosys commands\n");
+ log("'proc' and 'rename' are wrapped to tcl commands 'procs' and 'renames'\n");
+ log("in order to avoid a name collision with the built in commands.\n");
+ log("\n");
+ log("If any arguments are specified, these arguments are provided to the script via\n");
+ log("the standard $argc and $argv variables.\n");
+ log("\n");
+ }
+ void execute(std::vector<std::string> args, RTLIL::Design *) YS_OVERRIDE {
+ if (args.size() < 2)
+ log_cmd_error("Missing script file.\n");
+
+ std::vector<Tcl_Obj*> script_args;
+ for (auto it = args.begin() + 2; it != args.end(); ++it)
+ script_args.push_back(Tcl_NewStringObj((*it).c_str(), (*it).size()));
+
+ Tcl_Interp *interp = yosys_get_tcl_interp();
+ Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argc", 4), NULL, Tcl_NewIntObj(script_args.size()), 0);
+ Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv", 4), NULL, Tcl_NewListObj(script_args.size(), script_args.data()), 0);
+ Tcl_ObjSetVar2(interp, Tcl_NewStringObj("argv0", 5), NULL, Tcl_NewStringObj(args[1].c_str(), args[1].size()), 0);
+ if (Tcl_EvalFile(interp, args[1].c_str()) != TCL_OK)
+ log_cmd_error("TCL interpreter returned an error: %s\n", Tcl_GetStringResult(interp));
+ }
+} TclPass;
+#endif
+
+#if defined(__linux__) || defined(__CYGWIN__)
+std::string proc_self_dirname()
+{
+ char path[PATH_MAX];
+ ssize_t buflen = readlink("/proc/self/exe", path, sizeof(path));
+ if (buflen < 0) {
+ log_error("readlink(\"/proc/self/exe\") failed: %s\n", strerror(errno));
+ }
+ while (buflen > 0 && path[buflen-1] != '/')
+ buflen--;
+ return std::string(path, buflen);
+}
+#elif defined(__FreeBSD__)
+std::string proc_self_dirname()
+{
+ int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+ size_t buflen;
+ char *buffer;
+ std::string path;
+ if (sysctl(mib, 4, NULL, &buflen, NULL, 0) != 0)
+ log_error("sysctl failed: %s\n", strerror(errno));
+ buffer = (char*)malloc(buflen);
+ if (buffer == NULL)
+ log_error("malloc failed: %s\n", strerror(errno));
+ if (sysctl(mib, 4, buffer, &buflen, NULL, 0) != 0)
+ log_error("sysctl failed: %s\n", strerror(errno));
+ while (buflen > 0 && buffer[buflen-1] != '/')
+ buflen--;
+ path.assign(buffer, buflen);
+ free(buffer);
+ return path;
+}
+#elif defined(__APPLE__)
+std::string proc_self_dirname()
+{
+ char *path = NULL;
+ uint32_t buflen = 0;
+ while (_NSGetExecutablePath(path, &buflen) != 0)
+ path = (char *) realloc((void *) path, buflen);
+ while (buflen > 0 && path[buflen-1] != '/')
+ buflen--;
+ return std::string(path, buflen);
+}
+#elif defined(_WIN32)
+std::string proc_self_dirname()
+{
+ int i = 0;
+# ifdef __MINGW32__
+ char longpath[MAX_PATH + 1];
+ char shortpath[MAX_PATH + 1];
+# else
+ WCHAR longpath[MAX_PATH + 1];
+ TCHAR shortpath[MAX_PATH + 1];
+# endif
+ if (!GetModuleFileName(0, longpath, MAX_PATH+1))
+ log_error("GetModuleFileName() failed.\n");
+ if (!GetShortPathName(longpath, shortpath, MAX_PATH+1))
+ log_error("GetShortPathName() failed.\n");
+ while (shortpath[i] != 0)
+ i++;
+ while (i > 0 && shortpath[i-1] != '/' && shortpath[i-1] != '\\')
+ shortpath[--i] = 0;
+ std::string path;
+ for (i = 0; shortpath[i]; i++)
+ path += char(shortpath[i]);
+ return path;
+}
+#elif defined(EMSCRIPTEN)
+std::string proc_self_dirname()
+{
+ return "/";
+}
+#else
+ #error "Don't know how to determine process executable base path!"
+#endif
+
+#ifdef EMSCRIPTEN
+std::string proc_share_dirname()
+{
+ return "/share/";
+}
+#else
+std::string proc_share_dirname()
+{
+ std::string proc_self_path = proc_self_dirname();
+# if defined(_WIN32) && !defined(YOSYS_WIN32_UNIX_DIR)
+ std::string proc_share_path = proc_self_path + "share\\";
+ if (check_file_exists(proc_share_path, true))
+ return proc_share_path;
+ proc_share_path = proc_self_path + "..\\share\\";
+ if (check_file_exists(proc_share_path, true))
+ return proc_share_path;
+# else
+ std::string proc_share_path = proc_self_path + "share/";
+ if (check_file_exists(proc_share_path, true))
+ return proc_share_path;
+ proc_share_path = proc_self_path + "../share/yosys/";
+ if (check_file_exists(proc_share_path, true))
+ return proc_share_path;
+# ifdef YOSYS_DATDIR
+ proc_share_path = YOSYS_DATDIR "/";
+ if (check_file_exists(proc_share_path, true))
+ return proc_share_path;
+# endif
+# endif
+ log_error("proc_share_dirname: unable to determine share/ directory!\n");
+}
+#endif
+
+bool fgetline(FILE *f, std::string &buffer)
+{
+ buffer = "";
+ char block[4096];
+ while (1) {
+ if (fgets(block, 4096, f) == NULL)
+ return false;
+ buffer += block;
+ if (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' || buffer[buffer.size()-1] == '\r')) {
+ while (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' || buffer[buffer.size()-1] == '\r'))
+ buffer.resize(buffer.size()-1);
+ return true;
+ }
+ }
+}
+
+static void handle_label(std::string &command, bool &from_to_active, const std::string &run_from, const std::string &run_to)
+{
+ int pos = 0;
+ std::string label;
+
+ while (pos < GetSize(command) && (command[pos] == ' ' || command[pos] == '\t'))
+ pos++;
+
+ if (pos < GetSize(command) && command[pos] == '#')
+ return;
+
+ while (pos < GetSize(command) && command[pos] != ' ' && command[pos] != '\t' && command[pos] != '\r' && command[pos] != '\n')
+ label += command[pos++];
+
+ if (GetSize(label) > 1 && label.back() == ':')
+ {
+ label = label.substr(0, GetSize(label)-1);
+ command = command.substr(pos);
+
+ if (label == run_from)
+ from_to_active = true;
+ else if (label == run_to || (run_from == run_to && !run_from.empty()))
+ from_to_active = false;
+ }
+}
+
+void run_frontend(std::string filename, std::string command, std::string *backend_command, std::string *from_to_label, RTLIL::Design *design)
+{
+ if (design == nullptr)
+ design = yosys_design;
+
+ if (command == "auto") {
+ if (filename.size() > 2 && filename.substr(filename.size()-2) == ".v")
+ command = "verilog";
+ else if (filename.size() > 2 && filename.substr(filename.size()-3) == ".sv")
+ command = "verilog -sv";
+ else if (filename.size() > 3 && filename.substr(filename.size()-4) == ".vhd")
+ command = "vhdl";
+ else if (filename.size() > 4 && filename.substr(filename.size()-5) == ".blif")
+ command = "blif";
+ else if (filename.size() > 5 && filename.substr(filename.size()-6) == ".eblif")
+ command = "blif";
+ else if (filename.size() > 4 && filename.substr(filename.size()-5) == ".json")
+ command = "json";
+ else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".il")
+ command = "ilang";
+ else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".ys")
+ command = "script";
+ else if (filename.size() > 3 && filename.substr(filename.size()-4) == ".tcl")
+ command = "tcl";
+ else if (filename == "-")
+ command = "script";
+ else
+ log_error("Can't guess frontend for input file `%s' (missing -f option)!\n", filename.c_str());
+ }
+
+ if (command == "script")
+ {
+ std::string run_from, run_to;
+ bool from_to_active = true;
+
+ if (from_to_label != NULL) {
+ size_t pos = from_to_label->find(':');
+ if (pos == std::string::npos) {
+ run_from = *from_to_label;
+ run_to = *from_to_label;
+ } else {
+ run_from = from_to_label->substr(0, pos);
+ run_to = from_to_label->substr(pos+1);
+ }
+ from_to_active = run_from.empty();
+ }
+
+ log("\n-- Executing script file `%s' --\n", filename.c_str());
+
+ FILE *f = stdin;
+
+ if (filename != "-") {
+ f = fopen(filename.c_str(), "r");
+ yosys_input_files.insert(filename);
+ }
+
+ if (f == NULL)
+ log_error("Can't open script file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
+
+ FILE *backup_script_file = Frontend::current_script_file;
+ Frontend::current_script_file = f;
+
+ try {
+ std::string command;
+ while (fgetline(f, command)) {
+ while (!command.empty() && command[command.size()-1] == '\\') {
+ std::string next_line;
+ if (!fgetline(f, next_line))
+ break;
+ command.resize(command.size()-1);
+ command += next_line;
+ }
+ handle_label(command, from_to_active, run_from, run_to);
+ if (from_to_active)
+ Pass::call(design, command);
+ }
+
+ if (!command.empty()) {
+ handle_label(command, from_to_active, run_from, run_to);
+ if (from_to_active)
+ Pass::call(design, command);
+ }
+ }
+ catch (...) {
+ Frontend::current_script_file = backup_script_file;
+ throw;
+ }
+
+ Frontend::current_script_file = backup_script_file;
+
+ if (filename != "-")
+ fclose(f);
+
+ if (backend_command != NULL && *backend_command == "auto")
+ *backend_command = "";
+
+ return;
+ }
+
+ if (filename == "-") {
+ log("\n-- Parsing stdin using frontend `%s' --\n", command.c_str());
+ } else {
+ log("\n-- Parsing `%s' using frontend `%s' --\n", filename.c_str(), command.c_str());
+ }
+
+ if (command == "tcl")
+ Pass::call(design, vector<string>({command, filename}));
+ else
+ Frontend::frontend_call(design, NULL, filename, command);
+}
+
+void run_frontend(std::string filename, std::string command, RTLIL::Design *design)
+{
+ run_frontend(filename, command, nullptr, nullptr, design);
+}
+
+void run_pass(std::string command, RTLIL::Design *design)
+{
+ if (design == nullptr)
+ design = yosys_design;
+
+ log("\n-- Running command `%s' --\n", command.c_str());
+
+ Pass::call(design, command);
+}
+
+void run_backend(std::string filename, std::string command, RTLIL::Design *design)
+{
+ if (design == nullptr)
+ design = yosys_design;
+
+ if (command == "auto") {
+ if (filename.size() > 2 && filename.substr(filename.size()-2) == ".v")
+ command = "verilog";
+ else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".il")
+ command = "ilang";
+ else if (filename.size() > 4 && filename.substr(filename.size()-4) == ".aig")
+ command = "aiger";
+ else if (filename.size() > 5 && filename.substr(filename.size()-5) == ".blif")
+ command = "blif";
+ else if (filename.size() > 5 && filename.substr(filename.size()-5) == ".edif")
+ command = "edif";
+ else if (filename.size() > 5 && filename.substr(filename.size()-5) == ".json")
+ command = "json";
+ else if (filename == "-")
+ command = "ilang";
+ else if (filename.empty())
+ return;
+ else
+ log_error("Can't guess backend for output file `%s' (missing -b option)!\n", filename.c_str());
+ }
+
+ if (filename.empty())
+ filename = "-";
+
+ if (filename == "-") {
+ log("\n-- Writing to stdout using backend `%s' --\n", command.c_str());
+ } else {
+ log("\n-- Writing to `%s' using backend `%s' --\n", filename.c_str(), command.c_str());
+ }
+
+ Backend::backend_call(design, NULL, filename, command);
+}
+
+#if defined(YOSYS_ENABLE_READLINE) || defined(YOSYS_ENABLE_EDITLINE)
+static char *readline_cmd_generator(const char *text, int state)
+{
+ static std::map<std::string, Pass*>::iterator it;
+ static int len;
+
+ if (!state) {
+ it = pass_register.begin();
+ len = strlen(text);
+ }
+
+ for (; it != pass_register.end(); it++) {
+ if (it->first.substr(0, len) == text)
+ return strdup((it++)->first.c_str());
+ }
+ return NULL;
+}
+
+static char *readline_obj_generator(const char *text, int state)
+{
+ static std::vector<char*> obj_names;
+ static size_t idx;
+
+ if (!state)
+ {
+ idx = 0;
+ obj_names.clear();
+
+ RTLIL::Design *design = yosys_get_design();
+ int len = strlen(text);
+
+ if (design->selected_active_module.empty())
+ {
+ for (auto &it : design->modules_)
+ if (RTLIL::unescape_id(it.first).substr(0, len) == text)
+ obj_names.push_back(strdup(RTLIL::id2cstr(it.first)));
+ }
+ else
+ if (design->modules_.count(design->selected_active_module) > 0)
+ {
+ RTLIL::Module *module = design->modules_.at(design->selected_active_module);
+
+ for (auto &it : module->wires_)
+ if (RTLIL::unescape_id(it.first).substr(0, len) == text)
+ obj_names.push_back(strdup(RTLIL::id2cstr(it.first)));
+
+ for (auto &it : module->memories)
+ if (RTLIL::unescape_id(it.first).substr(0, len) == text)
+ obj_names.push_back(strdup(RTLIL::id2cstr(it.first)));
+
+ for (auto &it : module->cells_)
+ if (RTLIL::unescape_id(it.first).substr(0, len) == text)
+ obj_names.push_back(strdup(RTLIL::id2cstr(it.first)));
+
+ for (auto &it : module->processes)
+ if (RTLIL::unescape_id(it.first).substr(0, len) == text)
+ obj_names.push_back(strdup(RTLIL::id2cstr(it.first)));
+ }
+
+ std::sort(obj_names.begin(), obj_names.end());
+ }
+
+ if (idx < obj_names.size())
+ return strdup(obj_names[idx++]);
+
+ idx = 0;
+ obj_names.clear();
+ return NULL;
+}
+
+static char **readline_completion(const char *text, int start, int)
+{
+ if (start == 0)
+ return rl_completion_matches(text, readline_cmd_generator);
+ if (strncmp(rl_line_buffer, "read_", 5) && strncmp(rl_line_buffer, "write_", 6))
+ return rl_completion_matches(text, readline_obj_generator);
+ return NULL;
+}
+#endif
+
+void shell(RTLIL::Design *design)
+{
+ static int recursion_counter = 0;
+
+ recursion_counter++;
+ log_cmd_error_throw = true;
+
+#if defined(YOSYS_ENABLE_READLINE) || defined(YOSYS_ENABLE_EDITLINE)
+ rl_readline_name = (char*)"yosys";
+ rl_attempted_completion_function = readline_completion;
+ rl_basic_word_break_characters = (char*)" \t\n";
+#endif
+
+ char *command = NULL;
+#if defined(YOSYS_ENABLE_READLINE) || defined(YOSYS_ENABLE_EDITLINE)
+ while ((command = readline(create_prompt(design, recursion_counter))) != NULL)
+ {
+#else
+ char command_buffer[4096];
+ while (1)
+ {
+ fputs(create_prompt(design, recursion_counter), stdout);
+ fflush(stdout);
+ if ((command = fgets(command_buffer, 4096, stdin)) == NULL)
+ break;
+#endif
+ if (command[strspn(command, " \t\r\n")] == 0)
+ continue;
+#if defined(YOSYS_ENABLE_READLINE) || defined(YOSYS_ENABLE_EDITLINE)
+ add_history(command);
+#endif
+
+ char *p = command + strspn(command, " \t\r\n");
+ if (!strncmp(p, "exit", 4)) {
+ p += 4;
+ p += strspn(p, " \t\r\n");
+ if (*p == 0)
+ break;
+ }
+
+ try {
+ log_assert(design->selection_stack.size() == 1);
+ Pass::call(design, command);
+ } catch (log_cmd_error_exception) {
+ while (design->selection_stack.size() > 1)
+ design->selection_stack.pop_back();
+ log_reset_stack();
+ }
+ }
+ if (command == NULL)
+ printf("exit\n");
+
+ recursion_counter--;
+ log_cmd_error_throw = false;
+}
+
+struct ShellPass : public Pass {
+ ShellPass() : Pass("shell", "enter interactive command mode") { }
+ void help() YS_OVERRIDE {
+ log("\n");
+ log(" shell\n");
+ log("\n");
+ log("This command enters the interactive command mode. This can be useful\n");
+ log("in a script to interrupt the script at a certain point and allow for\n");
+ log("interactive inspection or manual synthesis of the design at this point.\n");
+ log("\n");
+ log("The command prompt of the interactive shell indicates the current\n");
+ log("selection (see 'help select'):\n");
+ log("\n");
+ log(" yosys>\n");
+ log(" the entire design is selected\n");
+ log("\n");
+ log(" yosys*>\n");
+ log(" only part of the design is selected\n");
+ log("\n");
+ log(" yosys [modname]>\n");
+ log(" the entire module 'modname' is selected using 'select -module modname'\n");
+ log("\n");
+ log(" yosys [modname]*>\n");
+ log(" only part of current module 'modname' is selected\n");
+ log("\n");
+ log("When in interactive shell, some errors (e.g. invalid command arguments)\n");
+ log("do not terminate yosys but return to the command prompt.\n");
+ log("\n");
+ log("This command is the default action if nothing else has been specified\n");
+ log("on the command line.\n");
+ log("\n");
+ log("Press Ctrl-D or type 'exit' to leave the interactive shell.\n");
+ log("\n");
+ }
+ void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE {
+ extra_args(args, 1, design, false);
+ shell(design);
+ }
+} ShellPass;
+
+#if defined(YOSYS_ENABLE_READLINE) || defined(YOSYS_ENABLE_EDITLINE)
+struct HistoryPass : public Pass {
+ HistoryPass() : Pass("history", "show last interactive commands") { }
+ void help() YS_OVERRIDE {
+ log("\n");
+ log(" history\n");
+ log("\n");
+ log("This command prints all commands in the shell history buffer. This are\n");
+ log("all commands executed in an interactive session, but not the commands\n");
+ log("from executed scripts.\n");
+ log("\n");
+ }
+ void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE {
+ extra_args(args, 1, design, false);
+#ifdef YOSYS_ENABLE_READLINE
+ for(HIST_ENTRY **list = history_list(); *list != NULL; list++)
+ log("%s\n", (*list)->line);
+#else
+ for (int i = where_history(); history_get(i); i++)
+ log("%s\n", history_get(i)->line);
+#endif
+ }
+} HistoryPass;
+#endif
+
+struct ScriptCmdPass : public Pass {
+ ScriptCmdPass() : Pass("script", "execute commands from script file") { }
+ void help() YS_OVERRIDE {
+ log("\n");
+ log(" script <filename> [<from_label>:<to_label>]\n");
+ log("\n");
+ log("This command executes the yosys commands in the specified file.\n");
+ log("\n");
+ log("The 2nd argument can be used to only execute the section of the\n");
+ log("file between the specified labels. An empty from label is synonymous\n");
+ log("for the beginning of the file and an empty to label is synonymous\n");
+ log("for the end of the file.\n");
+ log("\n");
+ log("If only one label is specified (without ':') then only the block\n");
+ log("marked with that label (until the next label) is executed.\n");
+ log("\n");
+ }
+ void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE {
+ if (args.size() < 2)
+ log_cmd_error("Missing script file.\n");
+ else if (args.size() == 2)
+ run_frontend(args[1], "script", design);
+ else if (args.size() == 3)
+ run_frontend(args[1], "script", NULL, &args[2], design);
+ else
+ extra_args(args, 2, design, false);
+ }
+} ScriptCmdPass;
+
+YOSYS_NAMESPACE_END
projects / yosys.git / blobdiff