yosys/kernel/rtlil.cc

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2013-01-05 04:13:26 -06:00
/*
* 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
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
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#include "kernel/macc.h"
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#include "frontends/verilog/verilog_frontend.h"
#include "backends/ilang/ilang_backend.h"
#include <string.h>
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#include <algorithm>
YOSYS_NAMESPACE_BEGIN
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RTLIL::IdString::destruct_guard_t RTLIL::IdString::destruct_guard;
std::vector<int> RTLIL::IdString::global_refcount_storage_;
std::vector<char*> RTLIL::IdString::global_id_storage_;
dict<char*, int, hash_cstr_ops> RTLIL::IdString::global_id_index_;
std::vector<int> RTLIL::IdString::global_free_idx_list_;
RTLIL::Const::Const()
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{
flags = RTLIL::CONST_FLAG_NONE;
}
RTLIL::Const::Const(std::string str)
{
flags = RTLIL::CONST_FLAG_STRING;
for (int i = str.size()-1; i >= 0; i--) {
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unsigned char ch = str[i];
for (int j = 0; j < 8; j++) {
bits.push_back((ch & 1) != 0 ? RTLIL::S1 : RTLIL::S0);
ch = ch >> 1;
}
}
}
RTLIL::Const::Const(int val, int width)
{
flags = RTLIL::CONST_FLAG_NONE;
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for (int i = 0; i < width; i++) {
bits.push_back((val & 1) != 0 ? RTLIL::S1 : RTLIL::S0);
val = val >> 1;
}
}
RTLIL::Const::Const(RTLIL::State bit, int width)
{
flags = RTLIL::CONST_FLAG_NONE;
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for (int i = 0; i < width; i++)
bits.push_back(bit);
}
RTLIL::Const::Const(const std::vector<bool> &bits)
{
flags = RTLIL::CONST_FLAG_NONE;
for (auto b : bits)
this->bits.push_back(b ? RTLIL::S1 : RTLIL::S0);
}
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bool RTLIL::Const::operator <(const RTLIL::Const &other) const
{
if (bits.size() != other.bits.size())
return bits.size() < other.bits.size();
for (size_t i = 0; i < bits.size(); i++)
if (bits[i] != other.bits[i])
return bits[i] < other.bits[i];
return false;
}
bool RTLIL::Const::operator ==(const RTLIL::Const &other) const
{
return bits == other.bits;
}
bool RTLIL::Const::operator !=(const RTLIL::Const &other) const
{
return bits != other.bits;
}
bool RTLIL::Const::as_bool() const
{
for (size_t i = 0; i < bits.size(); i++)
if (bits[i] == RTLIL::S1)
return true;
return false;
}
int RTLIL::Const::as_int(bool is_signed) const
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{
int32_t ret = 0;
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for (size_t i = 0; i < bits.size() && i < 32; i++)
if (bits[i] == RTLIL::S1)
ret |= 1 << i;
if (is_signed && bits.back() == RTLIL::S1)
for (size_t i = bits.size(); i < 32; i++)
ret |= 1 << i;
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return ret;
}
std::string RTLIL::Const::as_string() const
{
std::string ret;
for (size_t i = bits.size(); i > 0; i--)
switch (bits[i-1]) {
case S0: ret += "0"; break;
case S1: ret += "1"; break;
case Sx: ret += "x"; break;
case Sz: ret += "z"; break;
case Sa: ret += "-"; break;
case Sm: ret += "m"; break;
}
return ret;
}
std::string RTLIL::Const::decode_string() const
{
std::string string;
std::vector <char> string_chars;
for (int i = 0; i < int (bits.size()); i += 8) {
char ch = 0;
for (int j = 0; j < 8 && i + j < int (bits.size()); j++)
if (bits[i + j] == RTLIL::State::S1)
ch |= 1 << j;
if (ch != 0)
string_chars.push_back(ch);
}
for (int i = int (string_chars.size()) - 1; i >= 0; i--)
string += string_chars[i];
return string;
}
bool RTLIL::Selection::selected_module(RTLIL::IdString mod_name) const
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{
if (full_selection)
return true;
if (selected_modules.count(mod_name) > 0)
return true;
if (selected_members.count(mod_name) > 0)
return true;
return false;
}
bool RTLIL::Selection::selected_whole_module(RTLIL::IdString mod_name) const
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{
if (full_selection)
return true;
if (selected_modules.count(mod_name) > 0)
return true;
return false;
}
bool RTLIL::Selection::selected_member(RTLIL::IdString mod_name, RTLIL::IdString memb_name) const
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{
if (full_selection)
return true;
if (selected_modules.count(mod_name) > 0)
return true;
if (selected_members.count(mod_name) > 0)
if (selected_members.at(mod_name).count(memb_name) > 0)
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return true;
return false;
}
void RTLIL::Selection::optimize(RTLIL::Design *design)
{
if (full_selection) {
selected_modules.clear();
selected_members.clear();
return;
}
std::vector<RTLIL::IdString> del_list, add_list;
del_list.clear();
for (auto mod_name : selected_modules) {
if (design->modules_.count(mod_name) == 0)
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del_list.push_back(mod_name);
selected_members.erase(mod_name);
}
for (auto mod_name : del_list)
selected_modules.erase(mod_name);
del_list.clear();
for (auto &it : selected_members)
if (design->modules_.count(it.first) == 0)
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del_list.push_back(it.first);
for (auto mod_name : del_list)
selected_members.erase(mod_name);
for (auto &it : selected_members) {
del_list.clear();
for (auto memb_name : it.second)
if (design->modules_[it.first]->count_id(memb_name) == 0)
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del_list.push_back(memb_name);
for (auto memb_name : del_list)
it.second.erase(memb_name);
}
del_list.clear();
add_list.clear();
for (auto &it : selected_members)
if (it.second.size() == 0)
del_list.push_back(it.first);
else if (it.second.size() == design->modules_[it.first]->wires_.size() + design->modules_[it.first]->memories.size() +
design->modules_[it.first]->cells_.size() + design->modules_[it.first]->processes.size())
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add_list.push_back(it.first);
for (auto mod_name : del_list)
selected_members.erase(mod_name);
for (auto mod_name : add_list) {
selected_members.erase(mod_name);
selected_modules.insert(mod_name);
}
if (selected_modules.size() == design->modules_.size()) {
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full_selection = true;
selected_modules.clear();
selected_members.clear();
}
}
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RTLIL::Design::Design()
{
refcount_modules_ = 0;
selection_stack.push_back(RTLIL::Selection());
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}
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RTLIL::Design::~Design()
{
for (auto it = modules_.begin(); it != modules_.end(); ++it)
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delete it->second;
}
RTLIL::ObjRange<RTLIL::Module*> RTLIL::Design::modules()
{
return RTLIL::ObjRange<RTLIL::Module*>(&modules_, &refcount_modules_);
}
RTLIL::Module *RTLIL::Design::module(RTLIL::IdString name)
{
return modules_.count(name) ? modules_.at(name) : NULL;
}
void RTLIL::Design::add(RTLIL::Module *module)
{
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log_assert(modules_.count(module->name) == 0);
log_assert(refcount_modules_ == 0);
modules_[module->name] = module;
module->design = this;
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for (auto mon : monitors)
mon->notify_module_add(module);
}
RTLIL::Module *RTLIL::Design::addModule(RTLIL::IdString name)
{
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log_assert(modules_.count(name) == 0);
log_assert(refcount_modules_ == 0);
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RTLIL::Module *module = new RTLIL::Module;
modules_[name] = module;
module->design = this;
module->name = name;
for (auto mon : monitors)
mon->notify_module_add(module);
return module;
}
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void RTLIL::Design::scratchpad_unset(std::string varname)
{
scratchpad.erase(varname);
}
void RTLIL::Design::scratchpad_set_int(std::string varname, int value)
{
scratchpad[varname] = stringf("%d", value);
}
void RTLIL::Design::scratchpad_set_bool(std::string varname, bool value)
{
scratchpad[varname] = value ? "true" : "false";
}
void RTLIL::Design::scratchpad_set_string(std::string varname, std::string value)
{
scratchpad[varname] = value;
}
int RTLIL::Design::scratchpad_get_int(std::string varname, int default_value) const
{
if (scratchpad.count(varname) == 0)
return default_value;
std::string str = scratchpad.at(varname);
if (str == "0" || str == "false")
return 0;
if (str == "1" || str == "true")
return 1;
char *endptr = nullptr;
long int parsed_value = strtol(str.c_str(), &endptr, 10);
return *endptr ? default_value : parsed_value;
}
bool RTLIL::Design::scratchpad_get_bool(std::string varname, bool default_value) const
{
if (scratchpad.count(varname) == 0)
return default_value;
std::string str = scratchpad.at(varname);
if (str == "0" || str == "false")
return false;
if (str == "1" || str == "true")
return true;
return default_value;
}
std::string RTLIL::Design::scratchpad_get_string(std::string varname, std::string default_value) const
{
if (scratchpad.count(varname) == 0)
return default_value;
return scratchpad.at(varname);
}
void RTLIL::Design::remove(RTLIL::Module *module)
{
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for (auto mon : monitors)
mon->notify_module_del(module);
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log_assert(modules_.at(module->name) == module);
modules_.erase(module->name);
delete module;
}
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void RTLIL::Design::check()
{
#ifndef NDEBUG
for (auto &it : modules_) {
log_assert(this == it.second->design);
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log_assert(it.first == it.second->name);
log_assert(!it.first.empty());
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it.second->check();
}
#endif
}
void RTLIL::Design::optimize()
{
for (auto &it : modules_)
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it.second->optimize();
for (auto &it : selection_stack)
it.optimize(this);
for (auto &it : selection_vars)
it.second.optimize(this);
}
bool RTLIL::Design::selected_module(RTLIL::IdString mod_name) const
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{
if (!selected_active_module.empty() && mod_name != selected_active_module)
return false;
if (selection_stack.size() == 0)
return true;
return selection_stack.back().selected_module(mod_name);
}
bool RTLIL::Design::selected_whole_module(RTLIL::IdString mod_name) const
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{
if (!selected_active_module.empty() && mod_name != selected_active_module)
return false;
if (selection_stack.size() == 0)
return true;
return selection_stack.back().selected_whole_module(mod_name);
}
bool RTLIL::Design::selected_member(RTLIL::IdString mod_name, RTLIL::IdString memb_name) const
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{
if (!selected_active_module.empty() && mod_name != selected_active_module)
return false;
if (selection_stack.size() == 0)
return true;
return selection_stack.back().selected_member(mod_name, memb_name);
}
bool RTLIL::Design::selected_module(RTLIL::Module *mod) const
{
return selected_module(mod->name);
}
bool RTLIL::Design::selected_whole_module(RTLIL::Module *mod) const
{
return selected_whole_module(mod->name);
}
std::vector<RTLIL::Module*> RTLIL::Design::selected_modules() const
{
std::vector<RTLIL::Module*> result;
result.reserve(modules_.size());
for (auto &it : modules_)
if (selected_module(it.first))
result.push_back(it.second);
return result;
}
std::vector<RTLIL::Module*> RTLIL::Design::selected_whole_modules() const
{
std::vector<RTLIL::Module*> result;
result.reserve(modules_.size());
for (auto &it : modules_)
if (selected_whole_module(it.first))
result.push_back(it.second);
return result;
}
std::vector<RTLIL::Module*> RTLIL::Design::selected_whole_modules_warn() const
{
std::vector<RTLIL::Module*> result;
result.reserve(modules_.size());
for (auto &it : modules_)
if (selected_whole_module(it.first))
result.push_back(it.second);
else if (selected_module(it.first))
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log_warning("Ignoring partially selected module %s.\n", log_id(it.first));
return result;
}
RTLIL::Module::Module()
{
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design = nullptr;
refcount_wires_ = 0;
refcount_cells_ = 0;
}
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RTLIL::Module::~Module()
{
for (auto it = wires_.begin(); it != wires_.end(); ++it)
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delete it->second;
for (auto it = memories.begin(); it != memories.end(); ++it)
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delete it->second;
for (auto it = cells_.begin(); it != cells_.end(); ++it)
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delete it->second;
for (auto it = processes.begin(); it != processes.end(); ++it)
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delete it->second;
}
RTLIL::IdString RTLIL::Module::derive(RTLIL::Design*, dict<RTLIL::IdString, RTLIL::Const>)
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{
log_error("Module `%s' is used with parameters but is not parametric!\n", id2cstr(name));
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}
size_t RTLIL::Module::count_id(RTLIL::IdString id)
{
return wires_.count(id) + memories.count(id) + cells_.count(id) + processes.count(id);
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}
#ifndef NDEBUG
namespace {
struct InternalCellChecker
{
RTLIL::Module *module;
RTLIL::Cell *cell;
pool<RTLIL::IdString> expected_params, expected_ports;
InternalCellChecker(RTLIL::Module *module, RTLIL::Cell *cell) : module(module), cell(cell) { }
void error(int linenr)
{
std::stringstream buf;
ILANG_BACKEND::dump_cell(buf, " ", cell);
log_error("Found error in internal cell %s%s%s (%s) at %s:%d:\n%s",
module ? module->name.c_str() : "", module ? "." : "",
cell->name.c_str(), cell->type.c_str(), __FILE__, linenr, buf.str().c_str());
}
int param(const char *name)
{
if (cell->parameters.count(name) == 0)
error(__LINE__);
expected_params.insert(name);
return cell->parameters.at(name).as_int();
}
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int param_bool(const char *name)
{
int v = param(name);
if (cell->parameters.at(name).bits.size() > 32)
error(__LINE__);
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if (v != 0 && v != 1)
error(__LINE__);
return v;
}
void param_bits(const char *name, int width)
{
param(name);
if (int(cell->parameters.at(name).bits.size()) != width)
error(__LINE__);
}
void port(const char *name, int width)
{
if (!cell->hasPort(name))
error(__LINE__);
if (cell->getPort(name).size() != width)
error(__LINE__);
expected_ports.insert(name);
}
void check_expected(bool check_matched_sign = true)
{
for (auto &para : cell->parameters)
if (expected_params.count(para.first) == 0)
error(__LINE__);
for (auto &conn : cell->connections())
if (expected_ports.count(conn.first) == 0)
error(__LINE__);
if (expected_params.count("\\A_SIGNED") != 0 && expected_params.count("\\B_SIGNED") && check_matched_sign) {
bool a_is_signed = param("\\A_SIGNED") != 0;
bool b_is_signed = param("\\B_SIGNED") != 0;
if (a_is_signed != b_is_signed)
error(__LINE__);
}
}
void check_gate(const char *ports)
{
if (cell->parameters.size() != 0)
error(__LINE__);
for (const char *p = ports; *p; p++) {
char portname[3] = { '\\', *p, 0 };
if (!cell->hasPort(portname))
error(__LINE__);
if (cell->getPort(portname).size() != 1)
error(__LINE__);
}
for (auto &conn : cell->connections()) {
if (conn.first.size() != 2 || conn.first[0] != '\\')
error(__LINE__);
if (strchr(ports, conn.first[1]) == NULL)
error(__LINE__);
}
}
void check()
{
if (cell->type.substr(0, 1) != "$" || cell->type.substr(0, 3) == "$__" || cell->type.substr(0, 8) == "$paramod" ||
cell->type.substr(0, 9) == "$verific$" || cell->type.substr(0, 7) == "$array:" || cell->type.substr(0, 8) == "$extern:")
return;
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if (cell->type.in("$not", "$pos", "$neg")) {
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param_bool("\\A_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected();
return;
}
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if (cell->type.in("$and", "$or", "$xor", "$xnor")) {
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param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected();
return;
}
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if (cell->type.in("$reduce_and", "$reduce_or", "$reduce_xor", "$reduce_xnor", "$reduce_bool")) {
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param_bool("\\A_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected();
return;
}
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if (cell->type.in("$shl", "$shr", "$sshl", "$sshr", "$shift", "$shiftx")) {
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param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected(false);
return;
}
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if (cell->type.in("$lt", "$le", "$eq", "$ne", "$eqx", "$nex", "$ge", "$gt")) {
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param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected();
return;
}
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if (cell->type.in("$add", "$sub", "$mul", "$div", "$mod", "$pow")) {
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param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected(cell->type != "$pow");
return;
}
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if (cell->type == "$fa") {
port("\\A", param("\\WIDTH"));
port("\\B", param("\\WIDTH"));
port("\\C", param("\\WIDTH"));
port("\\X", param("\\WIDTH"));
port("\\Y", param("\\WIDTH"));
check_expected();
return;
}
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if (cell->type == "$lcu") {
port("\\P", param("\\WIDTH"));
port("\\G", param("\\WIDTH"));
port("\\CI", 1);
port("\\CO", param("\\WIDTH"));
check_expected();
return;
}
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if (cell->type == "$alu") {
param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\CI", 1);
port("\\BI", 1);
port("\\X", param("\\Y_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
port("\\CO", param("\\Y_WIDTH"));
check_expected();
return;
}
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if (cell->type == "$macc") {
param("\\CONFIG");
param("\\CONFIG_WIDTH");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected();
Macc().from_cell(cell);
return;
}
if (cell->type == "$logic_not") {
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param_bool("\\A_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected();
return;
}
if (cell->type == "$logic_and" || cell->type == "$logic_or") {
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param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
check_expected(false);
return;
}
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if (cell->type == "$slice") {
param("\\OFFSET");
port("\\A", param("\\A_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
if (param("\\OFFSET") + param("\\Y_WIDTH") > param("\\A_WIDTH"))
error(__LINE__);
check_expected();
return;
}
if (cell->type == "$concat") {
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\Y", param("\\A_WIDTH") + param("\\B_WIDTH"));
check_expected();
return;
}
if (cell->type == "$mux") {
port("\\A", param("\\WIDTH"));
port("\\B", param("\\WIDTH"));
port("\\S", 1);
port("\\Y", param("\\WIDTH"));
check_expected();
return;
}
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if (cell->type == "$pmux") {
port("\\A", param("\\WIDTH"));
port("\\B", param("\\WIDTH") * param("\\S_WIDTH"));
port("\\S", param("\\S_WIDTH"));
port("\\Y", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$lut") {
param("\\LUT");
port("\\A", param("\\WIDTH"));
port("\\Y", 1);
check_expected();
return;
}
if (cell->type == "$sr") {
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param_bool("\\SET_POLARITY");
param_bool("\\CLR_POLARITY");
port("\\SET", param("\\WIDTH"));
port("\\CLR", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$dff") {
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param_bool("\\CLK_POLARITY");
port("\\CLK", 1);
port("\\D", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
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if (cell->type == "$dffe") {
param_bool("\\CLK_POLARITY");
param_bool("\\EN_POLARITY");
port("\\CLK", 1);
port("\\EN", 1);
port("\\D", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$dffsr") {
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param_bool("\\CLK_POLARITY");
param_bool("\\SET_POLARITY");
param_bool("\\CLR_POLARITY");
port("\\CLK", 1);
port("\\SET", param("\\WIDTH"));
port("\\CLR", param("\\WIDTH"));
port("\\D", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$adff") {
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param_bool("\\CLK_POLARITY");
param_bool("\\ARST_POLARITY");
param_bits("\\ARST_VALUE", param("\\WIDTH"));
port("\\CLK", 1);
port("\\ARST", 1);
port("\\D", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$dlatch") {
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param_bool("\\EN_POLARITY");
port("\\EN", 1);
port("\\D", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
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if (cell->type == "$dlatchsr") {
param_bool("\\EN_POLARITY");
param_bool("\\SET_POLARITY");
param_bool("\\CLR_POLARITY");
port("\\EN", 1);
port("\\SET", param("\\WIDTH"));
port("\\CLR", param("\\WIDTH"));
port("\\D", param("\\WIDTH"));
port("\\Q", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$fsm") {
param("\\NAME");
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param_bool("\\CLK_POLARITY");
param_bool("\\ARST_POLARITY");
param("\\STATE_BITS");
param("\\STATE_NUM");
param("\\STATE_NUM_LOG2");
param("\\STATE_RST");
param_bits("\\STATE_TABLE", param("\\STATE_BITS") * param("\\STATE_NUM"));
param("\\TRANS_NUM");
param_bits("\\TRANS_TABLE", param("\\TRANS_NUM") * (2*param("\\STATE_NUM_LOG2") + param("\\CTRL_IN_WIDTH") + param("\\CTRL_OUT_WIDTH")));
port("\\CLK", 1);
port("\\ARST", 1);
port("\\CTRL_IN", param("\\CTRL_IN_WIDTH"));
port("\\CTRL_OUT", param("\\CTRL_OUT_WIDTH"));
check_expected();
return;
}
if (cell->type == "$memrd") {
param("\\MEMID");
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param_bool("\\CLK_ENABLE");
param_bool("\\CLK_POLARITY");
param_bool("\\TRANSPARENT");
port("\\CLK", 1);
port("\\ADDR", param("\\ABITS"));
port("\\DATA", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$memwr") {
param("\\MEMID");
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param_bool("\\CLK_ENABLE");
param_bool("\\CLK_POLARITY");
param("\\PRIORITY");
port("\\CLK", 1);
port("\\EN", param("\\WIDTH"));
port("\\ADDR", param("\\ABITS"));
port("\\DATA", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$mem") {
param("\\MEMID");
param("\\SIZE");
param("\\OFFSET");
param_bits("\\RD_CLK_ENABLE", param("\\RD_PORTS"));
param_bits("\\RD_CLK_POLARITY", param("\\RD_PORTS"));
param_bits("\\RD_TRANSPARENT", param("\\RD_PORTS"));
param_bits("\\WR_CLK_ENABLE", param("\\WR_PORTS"));
param_bits("\\WR_CLK_POLARITY", param("\\WR_PORTS"));
port("\\RD_CLK", param("\\RD_PORTS"));
port("\\RD_ADDR", param("\\RD_PORTS") * param("\\ABITS"));
port("\\RD_DATA", param("\\RD_PORTS") * param("\\WIDTH"));
port("\\WR_CLK", param("\\WR_PORTS"));
port("\\WR_EN", param("\\WR_PORTS") * param("\\WIDTH"));
port("\\WR_ADDR", param("\\WR_PORTS") * param("\\ABITS"));
port("\\WR_DATA", param("\\WR_PORTS") * param("\\WIDTH"));
check_expected();
return;
}
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if (cell->type == "$assert") {
port("\\A", 1);
port("\\EN", 1);
check_expected();
return;
}
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if (cell->type == "$_BUF_") { check_gate("AY"); return; }
if (cell->type == "$_NOT_") { check_gate("AY"); return; }
if (cell->type == "$_AND_") { check_gate("ABY"); return; }
if (cell->type == "$_NAND_") { check_gate("ABY"); return; }
if (cell->type == "$_OR_") { check_gate("ABY"); return; }
if (cell->type == "$_NOR_") { check_gate("ABY"); return; }
if (cell->type == "$_XOR_") { check_gate("ABY"); return; }
if (cell->type == "$_XNOR_") { check_gate("ABY"); return; }
if (cell->type == "$_MUX_") { check_gate("ABSY"); return; }
if (cell->type == "$_AOI3_") { check_gate("ABCY"); return; }
if (cell->type == "$_OAI3_") { check_gate("ABCY"); return; }
if (cell->type == "$_AOI4_") { check_gate("ABCDY"); return; }
if (cell->type == "$_OAI4_") { check_gate("ABCDY"); return; }
if (cell->type == "$_SR_NN_") { check_gate("SRQ"); return; }
if (cell->type == "$_SR_NP_") { check_gate("SRQ"); return; }
if (cell->type == "$_SR_PN_") { check_gate("SRQ"); return; }
if (cell->type == "$_SR_PP_") { check_gate("SRQ"); return; }
if (cell->type == "$_DFF_N_") { check_gate("DQC"); return; }
if (cell->type == "$_DFF_P_") { check_gate("DQC"); return; }
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if (cell->type == "$_DFFE_NN_") { check_gate("DQCE"); return; }
if (cell->type == "$_DFFE_NP_") { check_gate("DQCE"); return; }
if (cell->type == "$_DFFE_PN_") { check_gate("DQCE"); return; }
if (cell->type == "$_DFFE_PP_") { check_gate("DQCE"); return; }
if (cell->type == "$_DFF_NN0_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_NN1_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_NP0_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_NP1_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_PN0_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_PN1_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_PP0_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFF_PP1_") { check_gate("DQCR"); return; }
if (cell->type == "$_DFFSR_NNN_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_NNP_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_NPN_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_NPP_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_PNN_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_PNP_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_PPN_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DFFSR_PPP_") { check_gate("CSRDQ"); return; }
if (cell->type == "$_DLATCH_N_") { check_gate("EDQ"); return; }
if (cell->type == "$_DLATCH_P_") { check_gate("EDQ"); return; }
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if (cell->type == "$_DLATCHSR_NNN_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_NNP_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_NPN_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_NPP_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_PNN_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_PNP_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_PPN_") { check_gate("ESRDQ"); return; }
if (cell->type == "$_DLATCHSR_PPP_") { check_gate("ESRDQ"); return; }
error(__LINE__);
}
};
}
#endif
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void RTLIL::Module::check()
{
#ifndef NDEBUG
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std::vector<bool> ports_declared;
for (auto &it : wires_) {
log_assert(this == it.second->module);
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log_assert(it.first == it.second->name);
log_assert(!it.first.empty());
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log_assert(it.second->width >= 0);
log_assert(it.second->port_id >= 0);
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for (auto &it2 : it.second->attributes)
log_assert(!it2.first.empty());
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if (it.second->port_id) {
log_assert(GetSize(ports) >= it.second->port_id);
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log_assert(ports.at(it.second->port_id-1) == it.first);
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log_assert(it.second->port_input || it.second->port_output);
if (GetSize(ports_declared) < it.second->port_id)
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ports_declared.resize(it.second->port_id);
log_assert(ports_declared[it.second->port_id-1] == false);
ports_declared[it.second->port_id-1] = true;
} else
log_assert(!it.second->port_input && !it.second->port_output);
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}
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for (auto port_declared : ports_declared)
log_assert(port_declared == true);
log_assert(GetSize(ports) == GetSize(ports_declared));
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for (auto &it : memories) {
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log_assert(it.first == it.second->name);
log_assert(!it.first.empty());
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log_assert(it.second->width >= 0);
log_assert(it.second->size >= 0);
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for (auto &it2 : it.second->attributes)
log_assert(!it2.first.empty());
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}
for (auto &it : cells_) {
log_assert(this == it.second->module);
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log_assert(it.first == it.second->name);
log_assert(!it.first.empty());
log_assert(!it.second->type.empty());
for (auto &it2 : it.second->connections()) {
log_assert(!it2.first.empty());
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it2.second.check();
}
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for (auto &it2 : it.second->attributes)
log_assert(!it2.first.empty());
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for (auto &it2 : it.second->parameters)
log_assert(!it2.first.empty());
InternalCellChecker checker(this, it.second);
checker.check();
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}
for (auto &it : processes) {
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log_assert(it.first == it.second->name);
log_assert(!it.first.empty());
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// FIXME: More checks here..
}
for (auto &it : connections_) {
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log_assert(it.first.size() == it.second.size());
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it.first.check();
it.second.check();
}
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for (auto &it : attributes)
log_assert(!it.first.empty());
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#endif
}
void RTLIL::Module::optimize()
{
}
void RTLIL::Module::cloneInto(RTLIL::Module *new_mod) const
{
log_assert(new_mod->refcount_wires_ == 0);
log_assert(new_mod->refcount_cells_ == 0);
new_mod->connections_ = connections_;
new_mod->attributes = attributes;
for (auto &it : wires_)
new_mod->addWire(it.first, it.second);
for (auto &it : memories)
new_mod->memories[it.first] = new RTLIL::Memory(*it.second);
for (auto &it : cells_)
new_mod->addCell(it.first, it.second);
for (auto &it : processes)
new_mod->processes[it.first] = it.second->clone();
struct RewriteSigSpecWorker
{
RTLIL::Module *mod;
void operator()(RTLIL::SigSpec &sig)
{
std::vector<RTLIL::SigChunk> chunks = sig.chunks();
for (auto &c : chunks)
if (c.wire != NULL)
c.wire = mod->wires_.at(c.wire->name);
sig = chunks;
}
};
RewriteSigSpecWorker rewriteSigSpecWorker;
rewriteSigSpecWorker.mod = new_mod;
new_mod->rewrite_sigspecs(rewriteSigSpecWorker);
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new_mod->fixup_ports();
}
RTLIL::Module *RTLIL::Module::clone() const
{
RTLIL::Module *new_mod = new RTLIL::Module;
new_mod->name = name;
cloneInto(new_mod);
return new_mod;
}
bool RTLIL::Module::has_memories() const
{
return !memories.empty();
}
bool RTLIL::Module::has_processes() const
{
return !processes.empty();
}
bool RTLIL::Module::has_memories_warn() const
{
if (!memories.empty())
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log_warning("Ignoring module %s because it contains memories (run 'memory' command first).\n", log_id(this));
return !memories.empty();
}
bool RTLIL::Module::has_processes_warn() const
{
if (!processes.empty())
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log_warning("Ignoring module %s because it contains processes (run 'proc' command first).\n", log_id(this));
return !processes.empty();
}
std::vector<RTLIL::Wire*> RTLIL::Module::selected_wires() const
{
std::vector<RTLIL::Wire*> result;
result.reserve(wires_.size());
for (auto &it : wires_)
if (design->selected(this, it.second))
result.push_back(it.second);
return result;
}
std::vector<RTLIL::Cell*> RTLIL::Module::selected_cells() const
{
std::vector<RTLIL::Cell*> result;
result.reserve(wires_.size());
for (auto &it : cells_)
if (design->selected(this, it.second))
result.push_back(it.second);
return result;
}
void RTLIL::Module::add(RTLIL::Wire *wire)
{
log_assert(!wire->name.empty());
log_assert(count_id(wire->name) == 0);
log_assert(refcount_wires_ == 0);
wires_[wire->name] = wire;
wire->module = this;
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}
void RTLIL::Module::add(RTLIL::Cell *cell)
{
log_assert(!cell->name.empty());
log_assert(count_id(cell->name) == 0);
log_assert(refcount_cells_ == 0);
cells_[cell->name] = cell;
cell->module = this;
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}
namespace {
struct DeleteWireWorker
{
RTLIL::Module *module;
const pool<RTLIL::Wire*, hash_ptr_ops> *wires_p;
void operator()(RTLIL::SigSpec &sig) {
std::vector<RTLIL::SigChunk> chunks = sig;
for (auto &c : chunks)
if (c.wire != NULL && wires_p->count(c.wire)) {
c.wire = module->addWire(NEW_ID, c.width);
c.offset = 0;
}
sig = chunks;
}
};
}
void RTLIL::Module::remove(const pool<RTLIL::Wire*, hash_ptr_ops> &wires)
{
log_assert(refcount_wires_ == 0);
DeleteWireWorker delete_wire_worker;
delete_wire_worker.module = this;
delete_wire_worker.wires_p = &wires;
rewrite_sigspecs(delete_wire_worker);
for (auto &it : wires) {
log_assert(wires_.count(it->name) != 0);
wires_.erase(it->name);
delete it;
}
}
void RTLIL::Module::remove(RTLIL::Cell *cell)
{
while (!cell->connections_.empty())
cell->unsetPort(cell->connections_.begin()->first);
log_assert(cells_.count(cell->name) != 0);
log_assert(refcount_cells_ == 0);
cells_.erase(cell->name);
delete cell;
}
void RTLIL::Module::rename(RTLIL::Wire *wire, RTLIL::IdString new_name)
{
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log_assert(wires_[wire->name] == wire);
log_assert(refcount_wires_ == 0);
wires_.erase(wire->name);
wire->name = new_name;
add(wire);
}
void RTLIL::Module::rename(RTLIL::Cell *cell, RTLIL::IdString new_name)
{
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log_assert(cells_[cell->name] == cell);
log_assert(refcount_wires_ == 0);
cells_.erase(cell->name);
cell->name = new_name;
add(cell);
}
void RTLIL::Module::rename(RTLIL::IdString old_name, RTLIL::IdString new_name)
{
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log_assert(count_id(old_name) != 0);
if (wires_.count(old_name))
rename(wires_.at(old_name), new_name);
else if (cells_.count(old_name))
rename(cells_.at(old_name), new_name);
else
log_abort();
}
void RTLIL::Module::swap_names(RTLIL::Wire *w1, RTLIL::Wire *w2)
{
log_assert(wires_[w1->name] == w1);
log_assert(wires_[w2->name] == w2);
log_assert(refcount_wires_ == 0);
wires_.erase(w1->name);
wires_.erase(w2->name);
std::swap(w1->name, w2->name);
wires_[w1->name] = w1;
wires_[w2->name] = w2;
}
void RTLIL::Module::swap_names(RTLIL::Cell *c1, RTLIL::Cell *c2)
{
log_assert(cells_[c1->name] == c1);
log_assert(cells_[c2->name] == c2);
log_assert(refcount_cells_ == 0);
cells_.erase(c1->name);
cells_.erase(c2->name);
std::swap(c1->name, c2->name);
cells_[c1->name] = c1;
cells_[c2->name] = c2;
}
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RTLIL::IdString RTLIL::Module::uniquify(RTLIL::IdString name)
{
int index = 0;
return uniquify(name, index);
}
RTLIL::IdString RTLIL::Module::uniquify(RTLIL::IdString name, int &index)
{
if (index == 0) {
if (count_id(name) == 0)
return name;
index++;
}
while (1) {
RTLIL::IdString new_name = stringf("%s_%d", name.c_str(), index);
if (count_id(new_name) == 0)
return new_name;
index++;
}
}
static bool fixup_ports_compare(const RTLIL::Wire *a, const RTLIL::Wire *b)
{
if (a->port_id && !b->port_id)
return true;
if (!a->port_id && b->port_id)
return false;
if (a->port_id == b->port_id)
return a->name < b->name;
return a->port_id < b->port_id;
}
void RTLIL::Module::connect(const RTLIL::SigSig &conn)
{
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for (auto mon : monitors)
mon->notify_connect(this, conn);
if (design)
for (auto mon : design->monitors)
mon->notify_connect(this, conn);
connections_.push_back(conn);
}
void RTLIL::Module::connect(const RTLIL::SigSpec &lhs, const RTLIL::SigSpec &rhs)
{
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connect(RTLIL::SigSig(lhs, rhs));
}
void RTLIL::Module::new_connections(const std::vector<RTLIL::SigSig> &new_conn)
{
for (auto mon : monitors)
mon->notify_connect(this, new_conn);
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if (design)
for (auto mon : design->monitors)
mon->notify_connect(this, new_conn);
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connections_ = new_conn;
}
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const std::vector<RTLIL::SigSig> &RTLIL::Module::connections() const
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{
return connections_;
}
void RTLIL::Module::fixup_ports()
{
std::vector<RTLIL::Wire*> all_ports;
for (auto &w : wires_)
if (w.second->port_input || w.second->port_output)
all_ports.push_back(w.second);
else
w.second->port_id = 0;
std::sort(all_ports.begin(), all_ports.end(), fixup_ports_compare);
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ports.clear();
for (size_t i = 0; i < all_ports.size(); i++) {
ports.push_back(all_ports[i]->name);
all_ports[i]->port_id = i+1;
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}
}
RTLIL::Wire *RTLIL::Module::addWire(RTLIL::IdString name, int width)
{
RTLIL::Wire *wire = new RTLIL::Wire;
wire->name = name;
wire->width = width;
add(wire);
return wire;
}
RTLIL::Wire *RTLIL::Module::addWire(RTLIL::IdString name, const RTLIL::Wire *other)
{
RTLIL::Wire *wire = addWire(name);
wire->width = other->width;
wire->start_offset = other->start_offset;
wire->port_id = other->port_id;
wire->port_input = other->port_input;
wire->port_output = other->port_output;
wire->upto = other->upto;
wire->attributes = other->attributes;
return wire;
}
RTLIL::Cell *RTLIL::Module::addCell(RTLIL::IdString name, RTLIL::IdString type)
{
RTLIL::Cell *cell = new RTLIL::Cell;
cell->name = name;
cell->type = type;
add(cell);
return cell;
}
RTLIL::Cell *RTLIL::Module::addCell(RTLIL::IdString name, const RTLIL::Cell *other)
{
RTLIL::Cell *cell = addCell(name, other->type);
cell->connections_ = other->connections_;
cell->parameters = other->parameters;
cell->attributes = other->attributes;
return cell;
}
#define DEF_METHOD(_func, _y_size, _type) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, bool is_signed) { \
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RTLIL::Cell *cell = addCell(name, _type); \
cell->parameters["\\A_SIGNED"] = is_signed; \
cell->parameters["\\A_WIDTH"] = sig_a.size(); \
cell->parameters["\\Y_WIDTH"] = sig_y.size(); \
cell->setPort("\\A", sig_a); \
cell->setPort("\\Y", sig_y); \
return cell; \
} \
RTLIL::SigSpec RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigSpec sig_a, bool is_signed) { \
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RTLIL::SigSpec sig_y = addWire(NEW_ID, _y_size); \
add ## _func(name, sig_a, sig_y, is_signed); \
return sig_y; \
}
DEF_METHOD(Not, sig_a.size(), "$not")
DEF_METHOD(Pos, sig_a.size(), "$pos")
DEF_METHOD(Neg, sig_a.size(), "$neg")
DEF_METHOD(ReduceAnd, 1, "$reduce_and")
DEF_METHOD(ReduceOr, 1, "$reduce_or")
DEF_METHOD(ReduceXor, 1, "$reduce_xor")
DEF_METHOD(ReduceXnor, 1, "$reduce_xnor")
DEF_METHOD(ReduceBool, 1, "$reduce_bool")
DEF_METHOD(LogicNot, 1, "$logic_not")
#undef DEF_METHOD
#define DEF_METHOD(_func, _y_size, _type) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y, bool is_signed) { \
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RTLIL::Cell *cell = addCell(name, _type); \
cell->parameters["\\A_SIGNED"] = is_signed; \
cell->parameters["\\B_SIGNED"] = is_signed; \
cell->parameters["\\A_WIDTH"] = sig_a.size(); \
cell->parameters["\\B_WIDTH"] = sig_b.size(); \
cell->parameters["\\Y_WIDTH"] = sig_y.size(); \
cell->setPort("\\A", sig_a); \
cell->setPort("\\B", sig_b); \
cell->setPort("\\Y", sig_y); \
return cell; \
} \
RTLIL::SigSpec RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, bool is_signed) { \
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RTLIL::SigSpec sig_y = addWire(NEW_ID, _y_size); \
add ## _func(name, sig_a, sig_b, sig_y, is_signed); \
return sig_y; \
}
DEF_METHOD(And, std::max(sig_a.size(), sig_b.size()), "$and")
DEF_METHOD(Or, std::max(sig_a.size(), sig_b.size()), "$or")
DEF_METHOD(Xor, std::max(sig_a.size(), sig_b.size()), "$xor")
DEF_METHOD(Xnor, std::max(sig_a.size(), sig_b.size()), "$xnor")
DEF_METHOD(Shl, sig_a.size(), "$shl")
DEF_METHOD(Shr, sig_a.size(), "$shr")
DEF_METHOD(Sshl, sig_a.size(), "$sshl")
DEF_METHOD(Sshr, sig_a.size(), "$sshr")
DEF_METHOD(Shift, sig_a.size(), "$shift")
DEF_METHOD(Shiftx, sig_a.size(), "$shiftx")
DEF_METHOD(Lt, 1, "$lt")
DEF_METHOD(Le, 1, "$le")
DEF_METHOD(Eq, 1, "$eq")
DEF_METHOD(Ne, 1, "$ne")
DEF_METHOD(Eqx, 1, "$eqx")
DEF_METHOD(Nex, 1, "$nex")
DEF_METHOD(Ge, 1, "$ge")
DEF_METHOD(Gt, 1, "$gt")
DEF_METHOD(Add, std::max(sig_a.size(), sig_b.size()), "$add")
DEF_METHOD(Sub, std::max(sig_a.size(), sig_b.size()), "$sub")
DEF_METHOD(Mul, std::max(sig_a.size(), sig_b.size()), "$mul")
DEF_METHOD(Div, std::max(sig_a.size(), sig_b.size()), "$div")
DEF_METHOD(Mod, std::max(sig_a.size(), sig_b.size()), "$mod")
DEF_METHOD(LogicAnd, 1, "$logic_and")
DEF_METHOD(LogicOr, 1, "$logic_or")
#undef DEF_METHOD
#define DEF_METHOD(_func, _type, _pmux) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_s, RTLIL::SigSpec sig_y) { \
RTLIL::Cell *cell = addCell(name, _type); \
cell->parameters["\\WIDTH"] = sig_a.size(); \
if (_pmux) cell->parameters["\\S_WIDTH"] = sig_s.size(); \
cell->setPort("\\A", sig_a); \
cell->setPort("\\B", sig_b); \
cell->setPort("\\S", sig_s); \
cell->setPort("\\Y", sig_y); \
return cell; \
} \
RTLIL::SigSpec RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_s) { \
RTLIL::SigSpec sig_y = addWire(NEW_ID, sig_a.size()); \
add ## _func(name, sig_a, sig_b, sig_s, sig_y); \
return sig_y; \
}
DEF_METHOD(Mux, "$mux", 0)
DEF_METHOD(Pmux, "$pmux", 1)
#undef DEF_METHOD
#define DEF_METHOD_2(_func, _type, _P1, _P2) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2) { \
RTLIL::Cell *cell = addCell(name, _type); \
cell->setPort("\\" #_P1, sig1); \
cell->setPort("\\" #_P2, sig2); \
return cell; \
} \
RTLIL::SigBit RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigBit sig1) { \
RTLIL::SigBit sig2 = addWire(NEW_ID); \
add ## _func(name, sig1, sig2); \
return sig2; \
}
#define DEF_METHOD_3(_func, _type, _P1, _P2, _P3) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2, RTLIL::SigBit sig3) { \
RTLIL::Cell *cell = addCell(name, _type); \
cell->setPort("\\" #_P1, sig1); \
cell->setPort("\\" #_P2, sig2); \
cell->setPort("\\" #_P3, sig3); \
return cell; \
} \
RTLIL::SigBit RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2) { \
RTLIL::SigBit sig3 = addWire(NEW_ID); \
add ## _func(name, sig1, sig2, sig3); \
return sig3; \
}
#define DEF_METHOD_4(_func, _type, _P1, _P2, _P3, _P4) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2, RTLIL::SigBit sig3, RTLIL::SigBit sig4) { \
RTLIL::Cell *cell = addCell(name, _type); \
cell->setPort("\\" #_P1, sig1); \
cell->setPort("\\" #_P2, sig2); \
cell->setPort("\\" #_P3, sig3); \
cell->setPort("\\" #_P4, sig4); \
return cell; \
} \
RTLIL::SigBit RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2, RTLIL::SigBit sig3) { \
RTLIL::SigBit sig4 = addWire(NEW_ID); \
add ## _func(name, sig1, sig2, sig3, sig4); \
return sig4; \
}
#define DEF_METHOD_5(_func, _type, _P1, _P2, _P3, _P4, _P5) \
RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2, RTLIL::SigBit sig3, RTLIL::SigBit sig4, RTLIL::SigBit sig5) { \
RTLIL::Cell *cell = addCell(name, _type); \
cell->setPort("\\" #_P1, sig1); \
cell->setPort("\\" #_P2, sig2); \
cell->setPort("\\" #_P3, sig3); \
cell->setPort("\\" #_P4, sig4); \
cell->setPort("\\" #_P5, sig5); \
return cell; \
} \
RTLIL::SigBit RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigBit sig1, RTLIL::SigBit sig2, RTLIL::SigBit sig3, RTLIL::SigBit sig4) { \
RTLIL::SigBit sig5 = addWire(NEW_ID); \
add ## _func(name, sig1, sig2, sig3, sig4, sig5); \
return sig5; \
}
DEF_METHOD_2(NotGate, "$_NOT_", A, Y)
DEF_METHOD_3(AndGate, "$_AND_", A, B, Y)
DEF_METHOD_3(NandGate, "$_NAND_", A, B, Y)
DEF_METHOD_3(OrGate, "$_OR_", A, B, Y)
DEF_METHOD_3(NorGate, "$_NOR_", A, B, Y)
DEF_METHOD_3(XorGate, "$_XOR_", A, B, Y)
DEF_METHOD_3(XnorGate, "$_XNOR_", A, B, Y)
DEF_METHOD_4(MuxGate, "$_MUX_", A, B, S, Y)
DEF_METHOD_4(Aoi3Gate, "$_AOI3_", A, B, C, Y)
DEF_METHOD_4(Oai3Gate, "$_OAI3_", A, B, C, Y)
DEF_METHOD_5(Aoi4Gate, "$_AOI4_", A, B, C, D, Y)
DEF_METHOD_5(Oai4Gate, "$_OAI4_", A, B, C, D, Y)
#undef DEF_METHOD_2
#undef DEF_METHOD_3
#undef DEF_METHOD_4
#undef DEF_METHOD_5
RTLIL::Cell* RTLIL::Module::addPow(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y, bool a_signed, bool b_signed)
{
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RTLIL::Cell *cell = addCell(name, "$pow");
cell->parameters["\\A_SIGNED"] = a_signed;
cell->parameters["\\B_SIGNED"] = b_signed;
cell->parameters["\\A_WIDTH"] = sig_a.size();
cell->parameters["\\B_WIDTH"] = sig_b.size();
cell->parameters["\\Y_WIDTH"] = sig_y.size();
cell->setPort("\\A", sig_a);
cell->setPort("\\B", sig_b);
cell->setPort("\\Y", sig_y);
return cell;
}
RTLIL::Cell* RTLIL::Module::addSlice(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, RTLIL::Const offset)
{
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RTLIL::Cell *cell = addCell(name, "$slice");
cell->parameters["\\A_WIDTH"] = sig_a.size();
cell->parameters["\\Y_WIDTH"] = sig_y.size();
cell->parameters["\\OFFSET"] = offset;
cell->setPort("\\A", sig_a);
cell->setPort("\\Y", sig_y);
return cell;
}
RTLIL::Cell* RTLIL::Module::addConcat(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y)
{
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RTLIL::Cell *cell = addCell(name, "$concat");
cell->parameters["\\A_WIDTH"] = sig_a.size();
cell->parameters["\\B_WIDTH"] = sig_b.size();
cell->setPort("\\A", sig_a);
cell->setPort("\\B", sig_b);
cell->setPort("\\Y", sig_y);
return cell;
}
RTLIL::Cell* RTLIL::Module::addLut(RTLIL::IdString name, RTLIL::SigSpec sig_i, RTLIL::SigSpec sig_o, RTLIL::Const lut)
{
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RTLIL::Cell *cell = addCell(name, "$lut");
cell->parameters["\\LUT"] = lut;
cell->parameters["\\WIDTH"] = sig_i.size();
cell->setPort("\\A", sig_i);
cell->setPort("\\Y", sig_o);
return cell;
}
RTLIL::Cell* RTLIL::Module::addAssert(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_en)
{
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RTLIL::Cell *cell = addCell(name, "$assert");
cell->setPort("\\A", sig_a);
cell->setPort("\\EN", sig_en);
return cell;
}
RTLIL::Cell* RTLIL::Module::addSr(RTLIL::IdString name, RTLIL::SigSpec sig_set, RTLIL::SigSpec sig_clr, RTLIL::SigSpec sig_q, bool set_polarity, bool clr_polarity)
{
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RTLIL::Cell *cell = addCell(name, "$sr");
cell->parameters["\\SET_POLARITY"] = set_polarity;
cell->parameters["\\CLR_POLARITY"] = clr_polarity;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\SET", sig_set);
cell->setPort("\\CLR", sig_clr);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDff(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool clk_polarity)
{
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RTLIL::Cell *cell = addCell(name, "$dff");
cell->parameters["\\CLK_POLARITY"] = clk_polarity;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\CLK", sig_clk);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDffe(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool clk_polarity, bool en_polarity)
{
RTLIL::Cell *cell = addCell(name, "$dffe");
cell->parameters["\\CLK_POLARITY"] = clk_polarity;
cell->parameters["\\EN_POLARITY"] = en_polarity;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\CLK", sig_clk);
cell->setPort("\\EN", sig_en);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDffsr(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_set, RTLIL::SigSpec sig_clr,
RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool clk_polarity, bool set_polarity, bool clr_polarity)
{
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RTLIL::Cell *cell = addCell(name, "$dffsr");
cell->parameters["\\CLK_POLARITY"] = clk_polarity;
cell->parameters["\\SET_POLARITY"] = set_polarity;
cell->parameters["\\CLR_POLARITY"] = clr_polarity;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\CLK", sig_clk);
cell->setPort("\\SET", sig_set);
cell->setPort("\\CLR", sig_clr);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addAdff(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_arst, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q,
RTLIL::Const arst_value, bool clk_polarity, bool arst_polarity)
{
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RTLIL::Cell *cell = addCell(name, "$adff");
cell->parameters["\\CLK_POLARITY"] = clk_polarity;
cell->parameters["\\ARST_POLARITY"] = arst_polarity;
cell->parameters["\\ARST_VALUE"] = arst_value;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\CLK", sig_clk);
cell->setPort("\\ARST", sig_arst);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDlatch(RTLIL::IdString name, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool en_polarity)
{
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RTLIL::Cell *cell = addCell(name, "$dlatch");
cell->parameters["\\EN_POLARITY"] = en_polarity;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\EN", sig_en);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
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RTLIL::Cell* RTLIL::Module::addDlatchsr(RTLIL::IdString name, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_set, RTLIL::SigSpec sig_clr,
RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool en_polarity, bool set_polarity, bool clr_polarity)
{
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RTLIL::Cell *cell = addCell(name, "$dlatchsr");
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cell->parameters["\\EN_POLARITY"] = en_polarity;
cell->parameters["\\SET_POLARITY"] = set_polarity;
cell->parameters["\\CLR_POLARITY"] = clr_polarity;
cell->parameters["\\WIDTH"] = sig_q.size();
cell->setPort("\\EN", sig_en);
cell->setPort("\\SET", sig_set);
cell->setPort("\\CLR", sig_clr);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
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return cell;
}
RTLIL::Cell* RTLIL::Module::addDffGate(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool clk_polarity)
{
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RTLIL::Cell *cell = addCell(name, stringf("$_DFF_%c_", clk_polarity ? 'P' : 'N'));
cell->setPort("\\C", sig_clk);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDffeGate(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool clk_polarity, bool en_polarity)
{
RTLIL::Cell *cell = addCell(name, stringf("$_DFFE_%c%c_", clk_polarity ? 'P' : 'N', en_polarity ? 'P' : 'N'));
cell->setPort("\\C", sig_clk);
cell->setPort("\\E", sig_en);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDffsrGate(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_set, RTLIL::SigSpec sig_clr,
RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool clk_polarity, bool set_polarity, bool clr_polarity)
{
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RTLIL::Cell *cell = addCell(name, stringf("$_DFFSR_%c%c%c_", clk_polarity ? 'P' : 'N', set_polarity ? 'P' : 'N', clr_polarity ? 'P' : 'N'));
cell->setPort("\\C", sig_clk);
cell->setPort("\\S", sig_set);
cell->setPort("\\R", sig_clr);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addAdffGate(RTLIL::IdString name, RTLIL::SigSpec sig_clk, RTLIL::SigSpec sig_arst, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q,
bool arst_value, bool clk_polarity, bool arst_polarity)
{
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RTLIL::Cell *cell = addCell(name, stringf("$_DFF_%c%c%c_", clk_polarity ? 'P' : 'N', arst_polarity ? 'P' : 'N', arst_value ? '1' : '0'));
cell->setPort("\\C", sig_clk);
cell->setPort("\\R", sig_arst);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
RTLIL::Cell* RTLIL::Module::addDlatchGate(RTLIL::IdString name, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool en_polarity)
{
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RTLIL::Cell *cell = addCell(name, stringf("$_DLATCH_%c_", en_polarity ? 'P' : 'N'));
cell->setPort("\\E", sig_en);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
return cell;
}
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RTLIL::Cell* RTLIL::Module::addDlatchsrGate(RTLIL::IdString name, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_set, RTLIL::SigSpec sig_clr,
RTLIL::SigSpec sig_d, RTLIL::SigSpec sig_q, bool en_polarity, bool set_polarity, bool clr_polarity)
{
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RTLIL::Cell *cell = addCell(name, stringf("$_DLATCHSR_%c%c%c_", en_polarity ? 'P' : 'N', set_polarity ? 'P' : 'N', clr_polarity ? 'P' : 'N'));
cell->setPort("\\E", sig_en);
cell->setPort("\\S", sig_set);
cell->setPort("\\R", sig_clr);
cell->setPort("\\D", sig_d);
cell->setPort("\\Q", sig_q);
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return cell;
}
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RTLIL::Wire::Wire()
{
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module = nullptr;
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width = 1;
start_offset = 0;
port_id = 0;
port_input = false;
port_output = false;
upto = false;
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}
RTLIL::Memory::Memory()
{
width = 1;
size = 0;
}
RTLIL::Cell::Cell() : module(nullptr)
{
}
bool RTLIL::Cell::hasPort(RTLIL::IdString portname) const
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{
return connections_.count(portname) != 0;
}
void RTLIL::Cell::unsetPort(RTLIL::IdString portname)
{
RTLIL::SigSpec signal;
auto conn_it = connections_.find(portname);
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if (conn_it != connections_.end())
{
for (auto mon : module->monitors)
mon->notify_connect(this, conn_it->first, conn_it->second, signal);
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if (module->design)
for (auto mon : module->design->monitors)
mon->notify_connect(this, conn_it->first, conn_it->second, signal);
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connections_.erase(conn_it);
}
}
void RTLIL::Cell::setPort(RTLIL::IdString portname, RTLIL::SigSpec signal)
{
auto conn_it = connections_.find(portname);
if (conn_it == connections_.end()) {
connections_[portname] = RTLIL::SigSpec();
conn_it = connections_.find(portname);
log_assert(conn_it != connections_.end());
}
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for (auto mon : module->monitors)
mon->notify_connect(this, conn_it->first, conn_it->second, signal);
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if (module->design)
for (auto mon : module->design->monitors)
mon->notify_connect(this, conn_it->first, conn_it->second, signal);
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conn_it->second = signal;
}
const RTLIL::SigSpec &RTLIL::Cell::getPort(RTLIL::IdString portname) const
{
return connections_.at(portname);
}
const dict<RTLIL::IdString, RTLIL::SigSpec> &RTLIL::Cell::connections() const
{
return connections_;
}
bool RTLIL::Cell::hasParam(RTLIL::IdString paramname) const
{
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return parameters.count(paramname) != 0;
}
void RTLIL::Cell::unsetParam(RTLIL::IdString paramname)
{
parameters.erase(paramname);
}
void RTLIL::Cell::setParam(RTLIL::IdString paramname, RTLIL::Const value)
{
parameters[paramname] = value;
}
const RTLIL::Const &RTLIL::Cell::getParam(RTLIL::IdString paramname) const
{
return parameters.at(paramname);
}
void RTLIL::Cell::check()
{
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#ifndef NDEBUG
InternalCellChecker checker(NULL, this);
checker.check();
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#endif
}
void RTLIL::Cell::fixup_parameters(bool set_a_signed, bool set_b_signed)
{
if (type.substr(0, 1) != "$" || type.substr(0, 2) == "$_" || type.substr(0, 8) == "$paramod" ||
type.substr(0, 9) == "$verific$" || type.substr(0, 7) == "$array:" || type.substr(0, 8) == "$extern:")
return;
if (type == "$mux" || type == "$pmux") {
parameters["\\WIDTH"] = GetSize(connections_["\\Y"]);
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if (type == "$pmux")
parameters["\\S_WIDTH"] = GetSize(connections_["\\S"]);
check();
return;
}
if (type == "$lut") {
parameters["\\WIDTH"] = GetSize(connections_["\\A"]);
return;
}
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if (type == "$fa") {
parameters["\\WIDTH"] = GetSize(connections_["\\Y"]);
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return;
}
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if (type == "$lcu") {
parameters["\\WIDTH"] = GetSize(connections_["\\CO"]);
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return;
}
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bool signedness_ab = !type.in("$slice", "$concat", "$macc");
if (connections_.count("\\A")) {
if (signedness_ab) {
if (set_a_signed)
parameters["\\A_SIGNED"] = true;
else if (parameters.count("\\A_SIGNED") == 0)
parameters["\\A_SIGNED"] = false;
}
parameters["\\A_WIDTH"] = GetSize(connections_["\\A"]);
}
if (connections_.count("\\B")) {
if (signedness_ab) {
if (set_b_signed)
parameters["\\B_SIGNED"] = true;
else if (parameters.count("\\B_SIGNED") == 0)
parameters["\\B_SIGNED"] = false;
}
parameters["\\B_WIDTH"] = GetSize(connections_["\\B"]);
}
if (connections_.count("\\Y"))
parameters["\\Y_WIDTH"] = GetSize(connections_["\\Y"]);
check();
}
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RTLIL::SigChunk::SigChunk()
{
wire = NULL;
width = 0;
offset = 0;
}
RTLIL::SigChunk::SigChunk(const RTLIL::Const &value)
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{
wire = NULL;
data = value.bits;
width = GetSize(data);
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offset = 0;
}
RTLIL::SigChunk::SigChunk(RTLIL::Wire *wire)
{
log_assert(wire != nullptr);
this->wire = wire;
this->width = wire->width;
this->offset = 0;
}
RTLIL::SigChunk::SigChunk(RTLIL::Wire *wire, int offset, int width)
{
log_assert(wire != nullptr);
this->wire = wire;
this->width = width;
this->offset = offset;
}
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RTLIL::SigChunk::SigChunk(const std::string &str)
{
wire = NULL;
data = RTLIL::Const(str).bits;
width = GetSize(data);
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offset = 0;
}
RTLIL::SigChunk::SigChunk(int val, int width)
{
wire = NULL;
data = RTLIL::Const(val, width).bits;
this->width = GetSize(data);
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offset = 0;
}
RTLIL::SigChunk::SigChunk(RTLIL::State bit, int width)
{
wire = NULL;
data = RTLIL::Const(bit, width).bits;
this->width = GetSize(data);
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offset = 0;
}
RTLIL::SigChunk::SigChunk(RTLIL::SigBit bit)
{
wire = bit.wire;
offset = 0;
if (wire == NULL)
data = RTLIL::Const(bit.data).bits;
else
offset = bit.offset;
width = 1;
}
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RTLIL::SigChunk RTLIL::SigChunk::extract(int offset, int length) const
{
RTLIL::SigChunk ret;
if (wire) {
ret.wire = wire;
ret.offset = this->offset + offset;
ret.width = length;
} else {
for (int i = 0; i < length; i++)
ret.data.push_back(data[offset+i]);
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ret.width = length;
}
return ret;
}
bool RTLIL::SigChunk::operator <(const RTLIL::SigChunk &other) const
{
if (wire && other.wire)
if (wire->name != other.wire->name)
return wire->name < other.wire->name;
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if (wire != other.wire)
return wire < other.wire;
if (offset != other.offset)
return offset < other.offset;
if (width != other.width)
return width < other.width;
return data < other.data;
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}
bool RTLIL::SigChunk::operator ==(const RTLIL::SigChunk &other) const
{
return wire == other.wire && width == other.width && offset == other.offset && data == other.data;
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}
bool RTLIL::SigChunk::operator !=(const RTLIL::SigChunk &other) const
{
if (*this == other)
return false;
return true;
}
RTLIL::SigSpec::SigSpec()
{
width_ = 0;
hash_ = 0;
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}
RTLIL::SigSpec::SigSpec(const RTLIL::SigSpec &other)
{
*this = other;
}
RTLIL::SigSpec::SigSpec(std::initializer_list<RTLIL::SigSpec> parts)
{
cover("kernel.rtlil.sigspec.init.list");
width_ = 0;
hash_ = 0;
std::vector<RTLIL::SigSpec> parts_vec(parts.begin(), parts.end());
for (auto it = parts_vec.rbegin(); it != parts_vec.rend(); it++)
append(*it);
}
const RTLIL::SigSpec &RTLIL::SigSpec::operator=(const RTLIL::SigSpec &other)
{
cover("kernel.rtlil.sigspec.assign");
width_ = other.width_;
hash_ = other.hash_;
chunks_ = other.chunks_;
bits_.clear();
if (!other.bits_.empty())
{
RTLIL::SigChunk *last = NULL;
int last_end_offset = 0;
for (auto &bit : other.bits_) {
if (last && bit.wire == last->wire) {
if (bit.wire == NULL) {
last->data.push_back(bit.data);
last->width++;
continue;
} else if (last_end_offset == bit.offset) {
last_end_offset++;
last->width++;
continue;
}
}
chunks_.push_back(bit);
last = &chunks_.back();
last_end_offset = bit.offset + 1;
}
check();
}
return *this;
}
RTLIL::SigSpec::SigSpec(const RTLIL::Const &value)
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{
cover("kernel.rtlil.sigspec.init.const");
chunks_.push_back(RTLIL::SigChunk(value));
width_ = chunks_.back().width;
hash_ = 0;
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check();
}
RTLIL::SigSpec::SigSpec(const RTLIL::SigChunk &chunk)
{
cover("kernel.rtlil.sigspec.init.chunk");
chunks_.push_back(chunk);
width_ = chunks_.back().width;
hash_ = 0;
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check();
}
RTLIL::SigSpec::SigSpec(RTLIL::Wire *wire)
{
cover("kernel.rtlil.sigspec.init.wire");
chunks_.push_back(RTLIL::SigChunk(wire));
width_ = chunks_.back().width;
hash_ = 0;
check();
}
RTLIL::SigSpec::SigSpec(RTLIL::Wire *wire, int offset, int width)
{
cover("kernel.rtlil.sigspec.init.wire_part");
chunks_.push_back(RTLIL::SigChunk(wire, offset, width));
width_ = chunks_.back().width;
hash_ = 0;
check();
}
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RTLIL::SigSpec::SigSpec(const std::string &str)
{
cover("kernel.rtlil.sigspec.init.str");
chunks_.push_back(RTLIL::SigChunk(str));
width_ = chunks_.back().width;
hash_ = 0;
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check();
}
RTLIL::SigSpec::SigSpec(int val, int width)
{
cover("kernel.rtlil.sigspec.init.int");
chunks_.push_back(RTLIL::SigChunk(val, width));
width_ = width;
hash_ = 0;
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check();
}
RTLIL::SigSpec::SigSpec(RTLIL::State bit, int width)
{
cover("kernel.rtlil.sigspec.init.state");
chunks_.push_back(RTLIL::SigChunk(bit, width));
width_ = width;
hash_ = 0;
check();
}
RTLIL::SigSpec::SigSpec(RTLIL::SigBit bit, int width)
{
cover("kernel.rtlil.sigspec.init.bit");
if (bit.wire == NULL)
chunks_.push_back(RTLIL::SigChunk(bit.data, width));
else
for (int i = 0; i < width; i++)
chunks_.push_back(bit);
width_ = width;
hash_ = 0;
check();
}
RTLIL::SigSpec::SigSpec(std::vector<RTLIL::SigChunk> chunks)
{
cover("kernel.rtlil.sigspec.init.stdvec_chunks");
width_ = 0;
hash_ = 0;
for (auto &c : chunks)
append(c);
check();
}
RTLIL::SigSpec::SigSpec(std::vector<RTLIL::SigBit> bits)
{
cover("kernel.rtlil.sigspec.init.stdvec_bits");
width_ = 0;
hash_ = 0;
for (auto &bit : bits)
append_bit(bit);
check();
}
RTLIL::SigSpec::SigSpec(pool<RTLIL::SigBit> bits)
{
cover("kernel.rtlil.sigspec.init.pool_bits");
width_ = 0;
hash_ = 0;
for (auto &bit : bits)
append_bit(bit);
check();
}
RTLIL::SigSpec::SigSpec(std::set<RTLIL::SigBit> bits)
{
cover("kernel.rtlil.sigspec.init.stdset_bits");
width_ = 0;
hash_ = 0;
for (auto &bit : bits)
append_bit(bit);
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check();
}
RTLIL::SigSpec::SigSpec(bool bit)
{
cover("kernel.rtlil.sigspec.init.bool");
width_ = 0;
hash_ = 0;
append_bit(bit);
check();
}
void RTLIL::SigSpec::pack() const
{
RTLIL::SigSpec *that = (RTLIL::SigSpec*)this;
if (that->bits_.empty())
return;
cover("kernel.rtlil.sigspec.convert.pack");
log_assert(that->chunks_.empty());
std::vector<RTLIL::SigBit> old_bits;
old_bits.swap(that->bits_);
RTLIL::SigChunk *last = NULL;
int last_end_offset = 0;
for (auto &bit : old_bits) {
if (last && bit.wire == last->wire) {
if (bit.wire == NULL) {
last->data.push_back(bit.data);
last->width++;
continue;
} else if (last_end_offset == bit.offset) {
last_end_offset++;
last->width++;
continue;
}
}
that->chunks_.push_back(bit);
last = &that->chunks_.back();
last_end_offset = bit.offset + 1;
}
check();
}
void RTLIL::SigSpec::unpack() const
{
RTLIL::SigSpec *that = (RTLIL::SigSpec*)this;
if (that->chunks_.empty())
return;
cover("kernel.rtlil.sigspec.convert.unpack");
log_assert(that->bits_.empty());
that->bits_.reserve(that->width_);
for (auto &c : that->chunks_)
for (int i = 0; i < c.width; i++)
that->bits_.push_back(RTLIL::SigBit(c, i));
that->chunks_.clear();
that->hash_ = 0;
}
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#define DJB2(_hash, _value) (_hash) = (((_hash) << 5) + (_hash)) + (_value)
void RTLIL::SigSpec::updhash() const
{
RTLIL::SigSpec *that = (RTLIL::SigSpec*)this;
if (that->hash_ != 0)
return;
cover("kernel.rtlil.sigspec.hash");
that->pack();
that->hash_ = 5381;
for (auto &c : that->chunks_)
if (c.wire == NULL) {
for (auto &v : c.data)
DJB2(that->hash_, v);
} else {
DJB2(that->hash_, c.wire->name.index_);
DJB2(that->hash_, c.offset);
DJB2(that->hash_, c.width);
}
if (that->hash_ == 0)
that->hash_ = 1;
}
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void RTLIL::SigSpec::sort()
{
unpack();
cover("kernel.rtlil.sigspec.sort");
std::sort(bits_.begin(), bits_.end());
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}
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void RTLIL::SigSpec::sort_and_unify()
{
cover("kernel.rtlil.sigspec.sort_and_unify");
*this = this->to_sigbit_set();
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}
void RTLIL::SigSpec::replace(const RTLIL::SigSpec &pattern, const RTLIL::SigSpec &with)
{
replace(pattern, with, this);
}
void RTLIL::SigSpec::replace(const RTLIL::SigSpec &pattern, const RTLIL::SigSpec &with, RTLIL::SigSpec *other) const
{
log_assert(pattern.width_ == with.width_);
pattern.unpack();
with.unpack();
dict<RTLIL::SigBit, RTLIL::SigBit> rules;
for (int i = 0; i < GetSize(pattern.bits_); i++)
if (pattern.bits_[i].wire != NULL)
rules[pattern.bits_[i]] = with.bits_[i];
replace(rules, other);
}
void RTLIL::SigSpec::replace(const dict<RTLIL::SigBit, RTLIL::SigBit> &rules)
{
replace(rules, this);
}
void RTLIL::SigSpec::replace(const dict<RTLIL::SigBit, RTLIL::SigBit> &rules, RTLIL::SigSpec *other) const
{
cover("kernel.rtlil.sigspec.replace_dict");
log_assert(other != NULL);
log_assert(width_ == other->width_);
unpack();
other->unpack();
for (int i = 0; i < GetSize(bits_); i++) {
auto it = rules.find(bits_[i]);
if (it != rules.end())
other->bits_[i] = it->second;
}
other->check();
}
void RTLIL::SigSpec::replace(const std::map<RTLIL::SigBit, RTLIL::SigBit> &rules)
{
replace(rules, this);
}
void RTLIL::SigSpec::replace(const std::map<RTLIL::SigBit, RTLIL::SigBit> &rules, RTLIL::SigSpec *other) const
{
cover("kernel.rtlil.sigspec.replace_map");
log_assert(other != NULL);
log_assert(width_ == other->width_);
unpack();
other->unpack();
for (int i = 0; i < GetSize(bits_); i++) {
auto it = rules.find(bits_[i]);
if (it != rules.end())
other->bits_[i] = it->second;
}
other->check();
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}
void RTLIL::SigSpec::remove(const RTLIL::SigSpec &pattern)
{
remove2(pattern, NULL);
}
void RTLIL::SigSpec::remove(const RTLIL::SigSpec &pattern, RTLIL::SigSpec *other) const
{
RTLIL::SigSpec tmp = *this;
tmp.remove2(pattern, other);
}
void RTLIL::SigSpec::remove2(const RTLIL::SigSpec &pattern, RTLIL::SigSpec *other)
{
pool<RTLIL::SigBit> pattern_bits = pattern.to_sigbit_nodict();
remove2(pattern_bits, other);
}
void RTLIL::SigSpec::remove(const pool<RTLIL::SigBit> &pattern)
{
remove2(pattern, NULL);
}
void RTLIL::SigSpec::remove(const pool<RTLIL::SigBit> &pattern, RTLIL::SigSpec *other) const
{
RTLIL::SigSpec tmp = *this;
tmp.remove2(pattern, other);
}
void RTLIL::SigSpec::remove2(const pool<RTLIL::SigBit> &pattern, RTLIL::SigSpec *other)
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{
if (other)
cover("kernel.rtlil.sigspec.remove_other");
else
cover("kernel.rtlil.sigspec.remove");
unpack();
if (other != NULL) {
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log_assert(width_ == other->width_);
other->unpack();
}
std::vector<RTLIL::SigBit> new_bits, new_other_bits;
new_bits.resize(GetSize(bits_));
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if (other != NULL)
new_other_bits.resize(GetSize(bits_));
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int k = 0;
for (int i = 0; i < GetSize(bits_); i++) {
if (bits_[i].wire != NULL && pattern.count(bits_[i]))
continue;
if (other != NULL)
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new_other_bits[k] = other->bits_[i];
new_bits[k++] = bits_[i];
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}
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new_bits.resize(k);
if (other != NULL)
new_other_bits.resize(k);
bits_.swap(new_bits);
width_ = GetSize(bits_);
if (other != NULL) {
other->bits_.swap(new_other_bits);
other->width_ = GetSize(other->bits_);
}
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check();
}
RTLIL::SigSpec RTLIL::SigSpec::extract(const RTLIL::SigSpec &pattern, const RTLIL::SigSpec *other) const
{
pool<RTLIL::SigBit> pattern_bits = pattern.to_sigbit_nodict();
return extract(pattern_bits, other);
}
RTLIL::SigSpec RTLIL::SigSpec::extract(const pool<RTLIL::SigBit> &pattern, const RTLIL::SigSpec *other) const
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{
if (other)
cover("kernel.rtlil.sigspec.extract_other");
else
cover("kernel.rtlil.sigspec.extract");
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log_assert(other == NULL || width_ == other->width_);
std::vector<RTLIL::SigBit> bits_match = to_sigbit_vector();
RTLIL::SigSpec ret;
if (other) {
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std::vector<RTLIL::SigBit> bits_other = other->to_sigbit_vector();
for (int i = 0; i < width_; i++)
if (bits_match[i].wire && pattern.count(bits_match[i]))
ret.append_bit(bits_other[i]);
} else {
for (int i = 0; i < width_; i++)
if (bits_match[i].wire && pattern.count(bits_match[i]))
ret.append_bit(bits_match[i]);
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}
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ret.check();
return ret;
}
void RTLIL::SigSpec::replace(int offset, const RTLIL::SigSpec &with)
{
cover("kernel.rtlil.sigspec.replace_pos");
unpack();
with.unpack();
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log_assert(offset >= 0);
log_assert(with.width_ >= 0);
log_assert(offset+with.width_ <= width_);
for (int i = 0; i < with.width_; i++)
bits_.at(offset + i) = with.bits_.at(i);
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check();
}
void RTLIL::SigSpec::remove_const()
{
if (packed())
{
cover("kernel.rtlil.sigspec.remove_const.packed");
std::vector<RTLIL::SigChunk> new_chunks;
new_chunks.reserve(GetSize(chunks_));
width_ = 0;
for (auto &chunk : chunks_)
if (chunk.wire != NULL) {
new_chunks.push_back(chunk);
width_ += chunk.width;
}
chunks_.swap(new_chunks);
}
else
{
cover("kernel.rtlil.sigspec.remove_const.unpacked");
std::vector<RTLIL::SigBit> new_bits;
new_bits.reserve(width_);
for (auto &bit : bits_)
if (bit.wire != NULL)
new_bits.push_back(bit);
bits_.swap(new_bits);
width_ = bits_.size();
}
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check();
}
void RTLIL::SigSpec::remove(int offset, int length)
{
cover("kernel.rtlil.sigspec.remove_pos");
unpack();
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log_assert(offset >= 0);
log_assert(length >= 0);
log_assert(offset + length <= width_);
bits_.erase(bits_.begin() + offset, bits_.begin() + offset + length);
width_ = bits_.size();
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check();
}
RTLIL::SigSpec RTLIL::SigSpec::extract(int offset, int length) const
{
unpack();
cover("kernel.rtlil.sigspec.extract_pos");
return std::vector<RTLIL::SigBit>(bits_.begin() + offset, bits_.begin() + offset + length);
2013-01-05 04:13:26 -06:00
}
void RTLIL::SigSpec::append(const RTLIL::SigSpec &signal)
{
if (signal.width_ == 0)
return;
if (width_ == 0) {
*this = signal;
return;
}
cover("kernel.rtlil.sigspec.append");
if (packed() != signal.packed()) {
pack();
signal.pack();
2013-01-05 04:13:26 -06:00
}
if (packed())
for (auto &other_c : signal.chunks_)
{
auto &my_last_c = chunks_.back();
if (my_last_c.wire == NULL && other_c.wire == NULL) {
auto &this_data = my_last_c.data;
auto &other_data = other_c.data;
this_data.insert(this_data.end(), other_data.begin(), other_data.end());
my_last_c.width += other_c.width;
} else
if (my_last_c.wire == other_c.wire && my_last_c.offset + my_last_c.width == other_c.offset) {
my_last_c.width += other_c.width;
} else
chunks_.push_back(other_c);
}
else
bits_.insert(bits_.end(), signal.bits_.begin(), signal.bits_.end());
width_ += signal.width_;
check();
}
void RTLIL::SigSpec::append_bit(const RTLIL::SigBit &bit)
{
if (packed())
{
cover("kernel.rtlil.sigspec.append_bit.packed");
if (chunks_.size() == 0)
chunks_.push_back(bit);
else
if (bit.wire == NULL)
if (chunks_.back().wire == NULL) {
chunks_.back().data.push_back(bit.data);
chunks_.back().width++;
} else
chunks_.push_back(bit);
else
if (chunks_.back().wire == bit.wire && chunks_.back().offset + chunks_.back().width == bit.offset)
chunks_.back().width++;
else
chunks_.push_back(bit);
}
else
{
cover("kernel.rtlil.sigspec.append_bit.unpacked");
bits_.push_back(bit);
}
width_++;
check();
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}
void RTLIL::SigSpec::extend_xx(int width, bool is_signed)
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{
cover("kernel.rtlil.sigspec.extend_xx");
pack();
if (width_ > width)
remove(width, width_ - width);
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if (width_ < width) {
RTLIL::SigBit padding = width_ > 0 ? (*this)[width_ - 1] : RTLIL::State::S0;
if (!is_signed && (padding == RTLIL::State::S1 || padding.wire))
padding = RTLIL::State::S0;
while (width_ < width)
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append(padding);
}
}
void RTLIL::SigSpec::extend_u0(int width, bool is_signed)
{
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cover("kernel.rtlil.sigspec.extend_u0");
pack();
if (width_ > width)
remove(width, width_ - width);
if (width_ < width) {
RTLIL::SigBit padding = width_ > 0 ? (*this)[width_ - 1] : RTLIL::State::S0;
if (!is_signed)
padding = RTLIL::State::S0;
while (width_ < width)
append(padding);
}
}
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RTLIL::SigSpec RTLIL::SigSpec::repeat(int num) const
{
cover("kernel.rtlil.sigspec.repeat");
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RTLIL::SigSpec sig;
for (int i = 0; i < num; i++)
sig.append(*this);
return sig;
}
#ifndef NDEBUG
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void RTLIL::SigSpec::check() const
{
if (width_ > 64)
{
cover("kernel.rtlil.sigspec.check.skip");
}
else if (packed())
{
cover("kernel.rtlil.sigspec.check.packed");
int w = 0;
for (size_t i = 0; i < chunks_.size(); i++) {
const RTLIL::SigChunk chunk = chunks_[i];
if (chunk.wire == NULL) {
if (i > 0)
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log_assert(chunks_[i-1].wire != NULL);
log_assert(chunk.offset == 0);
log_assert(chunk.data.size() == (size_t)chunk.width);
} else {
if (i > 0 && chunks_[i-1].wire == chunk.wire)
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log_assert(chunk.offset != chunks_[i-1].offset + chunks_[i-1].width);
log_assert(chunk.offset >= 0);
log_assert(chunk.width >= 0);
log_assert(chunk.offset + chunk.width <= chunk.wire->width);
log_assert(chunk.data.size() == 0);
}
w += chunk.width;
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}
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log_assert(w == width_);
log_assert(bits_.empty());
}
else
{
cover("kernel.rtlil.sigspec.check.unpacked");
log_assert(width_ == GetSize(bits_));
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log_assert(chunks_.empty());
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}
}
#endif
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bool RTLIL::SigSpec::operator <(const RTLIL::SigSpec &other) const
{
cover("kernel.rtlil.sigspec.comp_lt");
if (this == &other)
return false;
if (width_ != other.width_)
return width_ < other.width_;
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pack();
other.pack();
if (chunks_.size() != other.chunks_.size())
return chunks_.size() < other.chunks_.size();
updhash();
other.updhash();
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if (hash_ != other.hash_)
return hash_ < other.hash_;
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for (size_t i = 0; i < chunks_.size(); i++)
if (chunks_[i] != other.chunks_[i]) {
cover("kernel.rtlil.sigspec.comp_lt.hash_collision");
return chunks_[i] < other.chunks_[i];
}
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cover("kernel.rtlil.sigspec.comp_lt.equal");
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return false;
}
bool RTLIL::SigSpec::operator ==(const RTLIL::SigSpec &other) const
{
cover("kernel.rtlil.sigspec.comp_eq");
if (this == &other)
return true;
if (width_ != other.width_)
return false;
pack();
other.pack();
if (chunks_.size() != chunks_.size())
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return false;
updhash();
other.updhash();
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if (hash_ != other.hash_)
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return false;
for (size_t i = 0; i < chunks_.size(); i++)
if (chunks_[i] != other.chunks_[i]) {
cover("kernel.rtlil.sigspec.comp_eq.hash_collision");
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return false;
}
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cover("kernel.rtlil.sigspec.comp_eq.equal");
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return true;
}
bool RTLIL::SigSpec::is_wire() const
{
cover("kernel.rtlil.sigspec.is_wire");
pack();
return GetSize(chunks_) == 1 && chunks_[0].wire && chunks_[0].wire->width == width_;
}
bool RTLIL::SigSpec::is_chunk() const
{
cover("kernel.rtlil.sigspec.is_chunk");
pack();
return GetSize(chunks_) == 1;
}
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bool RTLIL::SigSpec::is_fully_const() const
{
cover("kernel.rtlil.sigspec.is_fully_const");
pack();
for (auto it = chunks_.begin(); it != chunks_.end(); it++)
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if (it->width > 0 && it->wire != NULL)
return false;
return true;
}
bool RTLIL::SigSpec::is_fully_def() const
{
cover("kernel.rtlil.sigspec.is_fully_def");
pack();
for (auto it = chunks_.begin(); it != chunks_.end(); it++) {
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if (it->width > 0 && it->wire != NULL)
return false;
for (size_t i = 0; i < it->data.size(); i++)
if (it->data[i] != RTLIL::State::S0 && it->data[i] != RTLIL::State::S1)
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return false;
}
return true;
}
bool RTLIL::SigSpec::is_fully_undef() const
{
cover("kernel.rtlil.sigspec.is_fully_undef");
pack();
for (auto it = chunks_.begin(); it != chunks_.end(); it++) {
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if (it->width > 0 && it->wire != NULL)
return false;
for (size_t i = 0; i < it->data.size(); i++)
if (it->data[i] != RTLIL::State::Sx && it->data[i] != RTLIL::State::Sz)
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return false;
}
return true;
}
bool RTLIL::SigSpec::has_marked_bits() const
{
cover("kernel.rtlil.sigspec.has_marked_bits");
pack();
for (auto it = chunks_.begin(); it != chunks_.end(); it++)
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if (it->width > 0 && it->wire == NULL) {
for (size_t i = 0; i < it->data.size(); i++)
if (it->data[i] == RTLIL::State::Sm)
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return true;
}
return false;
}
bool RTLIL::SigSpec::as_bool() const
{
cover("kernel.rtlil.sigspec.as_bool");
pack();
log_assert(is_fully_const() && GetSize(chunks_) <= 1);
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if (width_)
return RTLIL::Const(chunks_[0].data).as_bool();
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return false;
}
int RTLIL::SigSpec::as_int(bool is_signed) const
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{
cover("kernel.rtlil.sigspec.as_int");
pack();
log_assert(is_fully_const() && GetSize(chunks_) <= 1);
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if (width_)
return RTLIL::Const(chunks_[0].data).as_int(is_signed);
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return 0;
}
std::string RTLIL::SigSpec::as_string() const
{
cover("kernel.rtlil.sigspec.as_string");
pack();
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std::string str;
for (size_t i = chunks_.size(); i > 0; i--) {
const RTLIL::SigChunk &chunk = chunks_[i-1];
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if (chunk.wire != NULL)
for (int j = 0; j < chunk.width; j++)
str += "?";
else
str += RTLIL::Const(chunk.data).as_string();
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}
return str;
}
RTLIL::Const RTLIL::SigSpec::as_const() const
{
cover("kernel.rtlil.sigspec.as_const");
pack();
log_assert(is_fully_const() && GetSize(chunks_) <= 1);
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if (width_)
return chunks_[0].data;
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return RTLIL::Const();
}
RTLIL::Wire *RTLIL::SigSpec::as_wire() const
{
cover("kernel.rtlil.sigspec.as_wire");
pack();
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log_assert(is_wire());
return chunks_[0].wire;
}
RTLIL::SigChunk RTLIL::SigSpec::as_chunk() const
{
cover("kernel.rtlil.sigspec.as_chunk");
pack();
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log_assert(is_chunk());
return chunks_[0];
}
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bool RTLIL::SigSpec::match(std::string pattern) const
{
cover("kernel.rtlil.sigspec.match");
pack();
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std::string str = as_string();
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log_assert(pattern.size() == str.size());
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for (size_t i = 0; i < pattern.size(); i++) {
if (pattern[i] == ' ')
continue;
if (pattern[i] == '*') {
if (str[i] != 'z' && str[i] != 'x')
return false;
continue;
}
if (pattern[i] != str[i])
return false;
}
return true;
}
std::set<RTLIL::SigBit> RTLIL::SigSpec::to_sigbit_set() const
{
cover("kernel.rtlil.sigspec.to_sigbit_set");
pack();
std::set<RTLIL::SigBit> sigbits;
for (auto &c : chunks_)
for (int i = 0; i < c.width; i++)
sigbits.insert(RTLIL::SigBit(c, i));
return sigbits;
}
pool<RTLIL::SigBit> RTLIL::SigSpec::to_sigbit_nodict() const
{
cover("kernel.rtlil.sigspec.to_sigbit_pool");
pack();
pool<RTLIL::SigBit> sigbits;
for (auto &c : chunks_)
for (int i = 0; i < c.width; i++)
sigbits.insert(RTLIL::SigBit(c, i));
return sigbits;
}
std::vector<RTLIL::SigBit> RTLIL::SigSpec::to_sigbit_vector() const
{
cover("kernel.rtlil.sigspec.to_sigbit_vector");
unpack();
return bits_;
}
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std::map<RTLIL::SigBit, RTLIL::SigBit> RTLIL::SigSpec::to_sigbit_map(const RTLIL::SigSpec &other) const
{
cover("kernel.rtlil.sigspec.to_sigbit_map");
unpack();
other.unpack();
log_assert(width_ == other.width_);
std::map<RTLIL::SigBit, RTLIL::SigBit> new_map;
for (int i = 0; i < width_; i++)
new_map[bits_[i]] = other.bits_[i];
return new_map;
}
dict<RTLIL::SigBit, RTLIL::SigBit> RTLIL::SigSpec::to_sigbit_dict(const RTLIL::SigSpec &other) const
{
cover("kernel.rtlil.sigspec.to_sigbit_dict");
unpack();
other.unpack();
log_assert(width_ == other.width_);
dict<RTLIL::SigBit, RTLIL::SigBit> new_map;
for (int i = 0; i < width_; i++)
new_map[bits_[i]] = other.bits_[i];
return new_map;
}
RTLIL::SigBit RTLIL::SigSpec::to_single_sigbit() const
{
cover("kernel.rtlil.sigspec.to_single_sigbit");
pack();
log_assert(width_ == 1);
for (auto &c : chunks_)
if (c.width)
return RTLIL::SigBit(c);
log_abort();
}
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static void sigspec_parse_split(std::vector<std::string> &tokens, const std::string &text, char sep)
{
size_t start = 0, end = 0;
while ((end = text.find(sep, start)) != std::string::npos) {
tokens.push_back(text.substr(start, end - start));
start = end + 1;
}
tokens.push_back(text.substr(start));
}
static int sigspec_parse_get_dummy_line_num()
{
return 0;
}
bool RTLIL::SigSpec::parse(RTLIL::SigSpec &sig, RTLIL::Module *module, std::string str)
{
cover("kernel.rtlil.sigspec.parse");
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std::vector<std::string> tokens;
sigspec_parse_split(tokens, str, ',');
sig = RTLIL::SigSpec();
for (int tokidx = int(tokens.size())-1; tokidx >= 0; tokidx--)
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{
std::string netname = tokens[tokidx];
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std::string indices;
if (netname.size() == 0)
continue;
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if (('0' <= netname[0] && netname[0] <= '9') || netname[0] == '\'') {
cover("kernel.rtlil.sigspec.parse.const");
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AST::get_line_num = sigspec_parse_get_dummy_line_num;
AST::AstNode *ast = VERILOG_FRONTEND::const2ast(netname);
if (ast == NULL)
return false;
sig.append(RTLIL::Const(ast->bits));
delete ast;
continue;
}
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if (module == NULL)
return false;
cover("kernel.rtlil.sigspec.parse.net");
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if (netname[0] != '$' && netname[0] != '\\')
netname = "\\" + netname;
if (module->wires_.count(netname) == 0) {
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size_t indices_pos = netname.size()-1;
if (indices_pos > 2 && netname[indices_pos] == ']')
{
indices_pos--;
while (indices_pos > 0 && ('0' <= netname[indices_pos] && netname[indices_pos] <= '9')) indices_pos--;
if (indices_pos > 0 && netname[indices_pos] == ':') {
indices_pos--;
while (indices_pos > 0 && ('0' <= netname[indices_pos] && netname[indices_pos] <= '9')) indices_pos--;
}
if (indices_pos > 0 && netname[indices_pos] == '[') {
indices = netname.substr(indices_pos);
netname = netname.substr(0, indices_pos);
}
}
}
if (module->wires_.count(netname) == 0)
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return false;
RTLIL::Wire *wire = module->wires_.at(netname);
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if (!indices.empty()) {
std::vector<std::string> index_tokens;
sigspec_parse_split(index_tokens, indices.substr(1, indices.size()-2), ':');
if (index_tokens.size() == 1) {
cover("kernel.rtlil.sigspec.parse.bit_sel");
int a = atoi(index_tokens.at(0).c_str());
if (a < 0 || a >= wire->width)
return false;
sig.append(RTLIL::SigSpec(wire, a));
} else {
cover("kernel.rtlil.sigspec.parse.part_sel");
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int a = atoi(index_tokens.at(0).c_str());
int b = atoi(index_tokens.at(1).c_str());
if (a > b) {
int tmp = a;
a = b, b = tmp;
}
if (a < 0 || a >= wire->width)
return false;
if (b < 0 || b >= wire->width)
return false;
sig.append(RTLIL::SigSpec(wire, a, b-a+1));
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}
} else
sig.append(wire);
}
return true;
}
bool RTLIL::SigSpec::parse_sel(RTLIL::SigSpec &sig, RTLIL::Design *design, RTLIL::Module *module, std::string str)
{
if (str.empty() || str[0] != '@')
return parse(sig, module, str);
cover("kernel.rtlil.sigspec.parse.sel");
str = RTLIL::escape_id(str.substr(1));
if (design->selection_vars.count(str) == 0)
return false;
sig = RTLIL::SigSpec();
RTLIL::Selection &sel = design->selection_vars.at(str);
for (auto &it : module->wires_)
if (sel.selected_member(module->name, it.first))
sig.append(it.second);
return true;
}
bool RTLIL::SigSpec::parse_rhs(const RTLIL::SigSpec &lhs, RTLIL::SigSpec &sig, RTLIL::Module *module, std::string str)
{
if (str == "0") {
cover("kernel.rtlil.sigspec.parse.rhs_zeros");
sig = RTLIL::SigSpec(RTLIL::State::S0, lhs.width_);
return true;
}
if (str == "~0") {
cover("kernel.rtlil.sigspec.parse.rhs_ones");
sig = RTLIL::SigSpec(RTLIL::State::S1, lhs.width_);
return true;
}
if (lhs.chunks_.size() == 1) {
char *p = (char*)str.c_str(), *endptr;
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long int val = strtol(p, &endptr, 10);
if (endptr && endptr != p && *endptr == 0) {
sig = RTLIL::SigSpec(val, lhs.width_);
cover("kernel.rtlil.sigspec.parse.rhs_dec");
return true;
}
}
return parse(sig, module, str);
}
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RTLIL::CaseRule::~CaseRule()
{
for (auto it = switches.begin(); it != switches.end(); it++)
delete *it;
}
RTLIL::CaseRule *RTLIL::CaseRule::clone() const
{
RTLIL::CaseRule *new_caserule = new RTLIL::CaseRule;
new_caserule->compare = compare;
new_caserule->actions = actions;
for (auto &it : switches)
new_caserule->switches.push_back(it->clone());
return new_caserule;
}
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RTLIL::SwitchRule::~SwitchRule()
{
for (auto it = cases.begin(); it != cases.end(); it++)
delete *it;
}
RTLIL::SwitchRule *RTLIL::SwitchRule::clone() const
{
RTLIL::SwitchRule *new_switchrule = new RTLIL::SwitchRule;
new_switchrule->signal = signal;
new_switchrule->attributes = attributes;
for (auto &it : cases)
new_switchrule->cases.push_back(it->clone());
return new_switchrule;
}
RTLIL::SyncRule *RTLIL::SyncRule::clone() const
{
RTLIL::SyncRule *new_syncrule = new RTLIL::SyncRule;
new_syncrule->type = type;
new_syncrule->signal = signal;
new_syncrule->actions = actions;
return new_syncrule;
}
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RTLIL::Process::~Process()
{
for (auto it = syncs.begin(); it != syncs.end(); it++)
delete *it;
}
RTLIL::Process *RTLIL::Process::clone() const
{
RTLIL::Process *new_proc = new RTLIL::Process;
new_proc->name = name;
new_proc->attributes = attributes;
RTLIL::CaseRule *rc_ptr = root_case.clone();
new_proc->root_case = *rc_ptr;
rc_ptr->switches.clear();
delete rc_ptr;
for (auto &it : syncs)
new_proc->syncs.push_back(it->clone());
return new_proc;
}
YOSYS_NAMESPACE_END