mirror of https://github.com/YosysHQ/yosys.git
575 lines
16 KiB
C++
575 lines
16 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "kernel/yosys.h"
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#include "kernel/rtlil.h"
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#include "libs/json11/json11.hpp"
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#ifdef YOSYS_ENABLE_TCL
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#include <tcl.h>
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#include <tclTomMath.h>
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#include <tclTomMathDecls.h>
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#endif
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YOSYS_NAMESPACE_BEGIN
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#ifdef YOSYS_ENABLE_TCL
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bool yosys_tcl_repl_active = false;
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void yosys_tcl_activate_repl()
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{
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yosys_tcl_repl_active = true;
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}
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static Tcl_Obj *json_to_tcl(Tcl_Interp *interp, const json11::Json &json)
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{
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if (json.is_null())
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return Tcl_NewStringObj("null", 4);
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else if (json.is_string()) {
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auto string = json.string_value();
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return Tcl_NewStringObj(string.data(), string.size());
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} else if (json.is_number()) {
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double value = json.number_value();
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double round_val = std::nearbyint(value);
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if (std::isfinite(round_val) && value == round_val && value >= LONG_MIN && value < -double(LONG_MIN))
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return Tcl_NewLongObj((long)round_val);
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else
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return Tcl_NewDoubleObj(value);
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} else if (json.is_bool()) {
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return Tcl_NewBooleanObj(json.bool_value());
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} else if (json.is_array()) {
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auto list = json.array_items();
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Tcl_Obj *result = Tcl_NewListObj(list.size(), nullptr);
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for (auto &item : list)
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Tcl_ListObjAppendElement(interp, result, json_to_tcl(interp, item));
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return result;
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} else if (json.is_object()) {
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auto map = json.object_items();
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Tcl_Obj *result = Tcl_NewListObj(map.size() * 2, nullptr);
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for (auto &item : map) {
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Tcl_ListObjAppendElement(interp, result, Tcl_NewStringObj(item.first.data(), item.first.size()));
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Tcl_ListObjAppendElement(interp, result, json_to_tcl(interp, item.second));
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}
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return result;
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} else {
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log_abort();
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}
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}
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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 : 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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else if (tcl_command_name == "rename")
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tcl_command_name = "renames";
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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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yosys_get_design()->scratchpad_unset("result.json");
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yosys_get_design()->scratchpad_unset("result.string");
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bool in_repl = yosys_tcl_repl_active;
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bool restore_log_cmd_error_throw = log_cmd_error_throw;
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log_cmd_error_throw = true;
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try {
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if (args.size() == 1) {
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Pass::call(yosys_get_design(), args[0]);
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} else {
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Pass::call(yosys_get_design(), args);
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}
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} catch (log_cmd_error_exception) {
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if (in_repl) {
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auto design = yosys_get_design();
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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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Tcl_SetResult(interp, (char *)"Yosys command produced an error", TCL_STATIC);
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yosys_tcl_repl_active = in_repl;
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log_cmd_error_throw = restore_log_cmd_error_throw;
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return TCL_ERROR;
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} catch (...) {
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log_error("uncaught exception during Yosys command invoked from TCL\n");
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}
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yosys_tcl_repl_active = in_repl;
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log_cmd_error_throw = restore_log_cmd_error_throw;
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auto &scratchpad = yosys_get_design()->scratchpad;
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auto result = scratchpad.find("result.json");
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if (result != scratchpad.end()) {
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std::string err;
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auto json = json11::Json::parse(result->second, err);
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if (err.empty()) {
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Tcl_SetObjResult(interp, json_to_tcl(interp, json));
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} else
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log_warning("Ignoring result.json scratchpad value due to parse error: %s\n", err.c_str());
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} else if ((result = scratchpad.find("result.string")) != scratchpad.end()) {
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Tcl_SetObjResult(interp, Tcl_NewStringObj(result->second.data(), result->second.size()));
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}
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return TCL_OK;
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}
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#define FLAG(name) \
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if (!strcmp(argv[i], "-" #name)) { \
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name##_flag = true; \
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continue; \
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} \
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#define FLAG2(name) \
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if (!strcmp(Tcl_GetString(objv[i]), "-" #name)) { \
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name##_flag = true; \
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continue; \
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} \
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#define ERROR(str) \
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{ \
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Tcl_SetResult(interp, (char *)(str), TCL_STATIC); \
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return TCL_ERROR; \
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}
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bool const_to_mp_int(const Const &a, mp_int *b, bool force_signed, bool force_unsigned)
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{
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if (!a.is_fully_def())
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return false;
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if (mp_init(b))
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return false;
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bool negative = ((a.flags & RTLIL::CONST_FLAG_SIGNED) || force_signed) &&
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!force_unsigned &&
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!a.empty() && (a.back() == RTLIL::S1);
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for (int i = a.size() - 1; i >= 0; i--) {
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if (mp_mul_2d(b, 1, b)) {
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mp_clear(b);
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return false;
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}
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if ((a[i] == RTLIL::S1) ^ negative) {
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if (mp_add_d(b, 1, b)) {
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mp_clear(b);
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return false;
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}
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}
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}
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if (negative) {
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if (mp_add_d(b, 1, b) || mp_neg(b, b)) {
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mp_clear(b);
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return false;
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}
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}
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return true;
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}
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bool mp_int_to_const(mp_int *a, Const &b, bool is_signed)
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{
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bool negative = (mp_cmp_d(a, 0) == MP_LT);
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if (negative && !is_signed)
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return false;
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if (negative) {
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mp_neg(a, a);
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mp_sub_d(a, 1, a);
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}
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std::vector<unsigned char> buf;
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buf.resize(mp_unsigned_bin_size(a));
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mp_to_unsigned_bin(a, buf.data());
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b.bits().reserve(mp_count_bits(a) + is_signed);
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for (int i = 0; i < mp_count_bits(a);) {
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for (int j = 0; j < 8 && i < mp_count_bits(a); j++, i++) {
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bool bv = ((buf.back() & (1 << j)) != 0) ^ negative;
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b.bits().push_back(bv ? RTLIL::S1 : RTLIL::S0);
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}
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buf.pop_back();
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}
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if (is_signed) {
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b.bits().push_back(negative ? RTLIL::S1 : RTLIL::S0);
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}
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return true;
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}
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static int tcl_get_attr(ClientData, Tcl_Interp *interp, int argc, const char *argv[])
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{
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int i;
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bool mod_flag = false, string_flag = false, bool_flag = false;
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bool int_flag = false, sint_flag = false, uint_flag = false;
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for (i = 1; i < argc; i++) {
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FLAG(mod)
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FLAG(string)
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FLAG(int)
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FLAG(sint)
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FLAG(uint)
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FLAG(bool)
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break;
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}
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if ((mod_flag && i != argc - 2) ||
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(!mod_flag && i != argc - 3) ||
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(string_flag + int_flag + sint_flag + uint_flag + bool_flag > 1))
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ERROR("bad usage: expected \"get_attr -mod [-string|-int|-sint|-uint|-bool] <module> <attrname>\""
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" or \"get_attr [-string|-int|-sint|-uint|-bool] <module> <identifier> <attrname>\"")
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IdString mod_id, obj_id, attr_id;
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mod_id = RTLIL::escape_id(argv[i++]);
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if (!mod_flag)
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obj_id = RTLIL::escape_id(argv[i++]);
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attr_id = RTLIL::escape_id(argv[i++]);
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RTLIL::Module *mod = yosys_design->module(mod_id);
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if (!mod)
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ERROR("module not found")
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RTLIL::AttrObject *obj = nullptr;
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if (mod_flag) {
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obj = mod;
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} else {
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obj = mod->wire(obj_id);
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if (!obj)
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obj = mod->memories.at(obj_id, nullptr);
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if (!obj)
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obj = mod->cell(obj_id);
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if (!obj)
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obj = mod->processes.at(obj_id, nullptr);
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}
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if (!obj)
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ERROR("object not found")
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if (string_flag) {
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Tcl_SetResult(interp, (char *) obj->get_string_attribute(attr_id).c_str(), TCL_VOLATILE);
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} else if (int_flag || uint_flag || sint_flag) {
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if (!obj->has_attribute(attr_id))
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ERROR("attribute missing (required for -int)");
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RTLIL::Const &value = obj->attributes.at(attr_id);
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mp_int value_mp;
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if (!const_to_mp_int(value, &value_mp, sint_flag, uint_flag))
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ERROR("bignum manipulation failed");
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Tcl_SetObjResult(interp, Tcl_NewBignumObj(&value_mp));
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} else if (bool_flag) {
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Tcl_SetObjResult(interp, Tcl_NewBooleanObj(obj->get_bool_attribute(attr_id)));
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} else {
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if (!obj->has_attribute(attr_id))
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ERROR("attribute missing (required unless -bool or -string)")
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Tcl_SetResult(interp, (char *) obj->attributes.at(attr_id).as_string().c_str(), TCL_VOLATILE);
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}
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return TCL_OK;
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}
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static int tcl_has_attr(ClientData, Tcl_Interp *interp, int argc, const char *argv[])
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{
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int i;
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bool mod_flag = false;
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for (i = 1; i < argc; i++) {
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FLAG(mod)
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break;
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}
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if ((mod_flag && i != argc - 2) ||
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(!mod_flag && i != argc - 3))
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ERROR("bad usage: expected \"has_attr -mod <module> <attrname>\""
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" or \"has_attr <module> <identifier> <attrname>\"")
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IdString mod_id, obj_id, attr_id;
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mod_id = RTLIL::escape_id(argv[i++]);
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if (!mod_flag)
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obj_id = RTLIL::escape_id(argv[i++]);
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attr_id = RTLIL::escape_id(argv[i++]);
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RTLIL::Module *mod = yosys_design->module(mod_id);
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if (!mod)
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ERROR("module not found")
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RTLIL::AttrObject *obj = nullptr;
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if (mod_flag) {
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obj = mod;
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} else {
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obj = mod->wire(obj_id);
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if (!obj)
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obj = mod->memories.at(obj_id, nullptr);
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if (!obj)
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obj = mod->cell(obj_id);
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if (!obj)
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obj = mod->processes.at(obj_id, nullptr);
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}
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if (!obj)
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ERROR("object not found")
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Tcl_SetResult(interp, (char *) std::to_string(obj->has_attribute(attr_id)).c_str(), TCL_VOLATILE);
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return TCL_OK;
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}
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static int tcl_set_attr(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
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{
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int i;
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bool mod_flag = false, string_flag = false, bool_flag = false;
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bool true_flag = false, false_flag = false, sint_flag = false, uint_flag = false;
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for (i = 1; i < objc; i++) {
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FLAG2(mod)
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FLAG2(string)
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FLAG2(true)
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FLAG2(false)
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FLAG2(sint)
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FLAG2(uint)
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FLAG2(bool)
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break;
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}
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if ((i != objc - (2 + !mod_flag + !(true_flag || false_flag))) ||
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(string_flag + sint_flag + uint_flag + bool_flag + true_flag + false_flag > 1))
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ERROR("bad usage: expected \"set_attr -mod [-string|-sint|-uint|-bool] <module> <attrname> <value>\""
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" or \"set_attr [-string|-sint|-uint|-bool] <module> <identifier> <attrname> <value>\""
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" or \"set_attr [-true|-false] <module> <identifier> <attrname>\""
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" or \"set_attr -mod [-true|-false| <module> <attrname>\"")
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IdString mod_id, obj_id, attr_id;
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mod_id = RTLIL::escape_id(Tcl_GetString(objv[i++]));
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if (!mod_flag)
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obj_id = RTLIL::escape_id(Tcl_GetString(objv[i++]));
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attr_id = RTLIL::escape_id(Tcl_GetString(objv[i++]));
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RTLIL::Module *mod = yosys_design->module(mod_id);
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if (!mod)
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ERROR("module not found")
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RTLIL::AttrObject *obj = nullptr;
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if (mod_flag) {
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obj = mod;
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} else {
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obj = mod->wire(obj_id);
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if (!obj)
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obj = mod->memories.at(obj_id, nullptr);
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if (!obj)
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obj = mod->cell(obj_id);
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if (!obj)
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obj = mod->processes.at(obj_id, nullptr);
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}
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if (!obj)
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ERROR("object not found")
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if (string_flag) {
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obj->set_string_attribute(attr_id, Tcl_GetString(objv[i++]));
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} else if (sint_flag || uint_flag) {
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RTLIL::Const const_;
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mp_int value_mp;
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if (Tcl_TakeBignumFromObj(interp, objv[i++], &value_mp))
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ERROR("non-integral value")
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if (!mp_int_to_const(&value_mp, const_, sint_flag))
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ERROR("bignum manipulation failed");
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if (sint_flag) {
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const_.flags |= RTLIL::CONST_FLAG_SIGNED;
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if (const_.size() < 32)
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const_.exts(32);
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} else {
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if (const_.size() < 32)
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const_.extu(32);
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}
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obj->attributes[attr_id] = const_;
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} else if (bool_flag) {
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obj->set_bool_attribute(attr_id, atoi(Tcl_GetString(objv[i++])) != 0);
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} else if (true_flag) {
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obj->set_bool_attribute(attr_id, true);
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} else if (false_flag) {
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obj->set_bool_attribute(attr_id, false);
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} else {
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obj->attributes[attr_id] = Const::from_string(std::string(Tcl_GetString(objv[i++])));
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}
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return TCL_OK;
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}
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static int tcl_get_param(ClientData, Tcl_Interp *interp, int argc, const char *argv[])
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{
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int i;
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bool string_flag = false;
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bool int_flag = false, sint_flag = false, uint_flag = false;
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for (i = 1; i < argc; i++) {
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FLAG(string)
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FLAG(int)
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FLAG(sint)
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FLAG(uint)
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break;
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}
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if ((i != argc - 3) ||
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(string_flag + int_flag > 1))
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ERROR("bad usage: expected \"get_param [-string|-int|-sint|-uint] <module> <cellid> <paramname>")
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IdString mod_id, cell_id, param_id;
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mod_id = RTLIL::escape_id(argv[i++]);
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cell_id = RTLIL::escape_id(argv[i++]);
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param_id = RTLIL::escape_id(argv[i++]);
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RTLIL::Module *mod = yosys_design->module(mod_id);
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if (!mod)
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ERROR("module not found")
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RTLIL::Cell *cell = mod->cell(cell_id);
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if (!cell)
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ERROR("object not found")
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if (!cell->hasParam(param_id))
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ERROR("parameter missing")
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const RTLIL::Const &value = cell->getParam(param_id);
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if (string_flag) {
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Tcl_SetResult(interp, (char *) value.decode_string().c_str(), TCL_VOLATILE);
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} else if (int_flag || uint_flag || sint_flag) {
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mp_int value_mp;
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if (!const_to_mp_int(value, &value_mp, sint_flag, uint_flag))
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ERROR("bignum manipulation failed");
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Tcl_SetObjResult(interp, Tcl_NewBignumObj(&value_mp));
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} else {
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Tcl_SetResult(interp, (char *) value.as_string().c_str(), TCL_VOLATILE);
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
static int tcl_set_param(ClientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
||
{
|
||
int i;
|
||
bool string_flag = false, sint_flag = false, uint_flag = false;
|
||
for (i = 1; i < objc; i++) {
|
||
FLAG2(string)
|
||
FLAG2(sint)
|
||
FLAG2(uint)
|
||
break;
|
||
}
|
||
|
||
if ((i != objc - 4) ||
|
||
(string_flag + sint_flag + uint_flag > 1))
|
||
ERROR("bad usage: expected \"set_param [-string|-sint|-uint] <module> <cellid> <paramname> <value>")
|
||
|
||
IdString mod_id, cell_id, param_id;
|
||
mod_id = RTLIL::escape_id(Tcl_GetString(objv[i++]));
|
||
cell_id = RTLIL::escape_id(Tcl_GetString(objv[i++]));
|
||
param_id = RTLIL::escape_id(Tcl_GetString(objv[i++]));
|
||
|
||
RTLIL::Module *mod = yosys_design->module(mod_id);
|
||
if (!mod)
|
||
ERROR("module not found")
|
||
|
||
RTLIL::Cell *cell = mod->cell(cell_id);
|
||
if (!cell)
|
||
ERROR("object not found")
|
||
|
||
if (string_flag) {
|
||
cell->setParam(param_id, Const(std::string(Tcl_GetString(objv[i++]))));
|
||
} else if (sint_flag || uint_flag) {
|
||
RTLIL::Const const_;
|
||
mp_int value_mp;
|
||
|
||
if (Tcl_TakeBignumFromObj(interp, objv[i++], &value_mp))
|
||
ERROR("non-integral value")
|
||
|
||
if (!mp_int_to_const(&value_mp, const_, sint_flag))
|
||
ERROR("bignum manipulation failed");
|
||
|
||
if (sint_flag) {
|
||
const_.flags |= RTLIL::CONST_FLAG_SIGNED;
|
||
if (const_.size() < 32)
|
||
const_.exts(32);
|
||
} else {
|
||
if (const_.size() < 32)
|
||
const_.extu(32);
|
||
}
|
||
|
||
cell->setParam(param_id, const_);
|
||
} else {
|
||
cell->setParam(param_id, Const::from_string(std::string(Tcl_GetString(objv[i++]))));
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
int yosys_tcl_iterp_init(Tcl_Interp *interp)
|
||
{
|
||
if (Tcl_Init(interp)!=TCL_OK)
|
||
log_warning("Tcl_Init() call failed - %s\n",Tcl_ErrnoMsg(Tcl_GetErrno()));
|
||
Tcl_CreateCommand(interp, "yosys", tcl_yosys_cmd, NULL, NULL);
|
||
Tcl_CreateCommand(interp, "rtlil::get_attr", tcl_get_attr, NULL, NULL);
|
||
Tcl_CreateCommand(interp, "rtlil::has_attr", tcl_has_attr, NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "rtlil::set_attr", tcl_set_attr, NULL, NULL);
|
||
Tcl_CreateCommand(interp, "rtlil::get_param", tcl_get_param, NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "rtlil::set_param", tcl_set_param, NULL, NULL);
|
||
|
||
// TODO:
|
||
//
|
||
// port_list
|
||
// wire_list
|
||
// cell_list
|
||
// wire_width
|
||
//
|
||
// add_wire
|
||
// add_cell
|
||
// rename_wire
|
||
// rename_cell
|
||
// remove
|
||
//
|
||
// SigSpec land
|
||
//
|
||
// get_conn
|
||
// set_conn
|
||
// unpack
|
||
// pack
|
||
|
||
// Note (dev jf 24-12-02): Make log_id escape everything that’s not a valid
|
||
// verilog identifier before adding any tcl API that returns IdString values
|
||
// to avoid -option injection
|
||
|
||
return TCL_OK ;
|
||
}
|
||
#endif
|
||
|
||
YOSYS_NAMESPACE_END
|