struct TimingInfo
{
- dict<RTLIL::IdString, ModuleTiming> data;
+ dict<RTLIL::IdString, ModuleTiming> data;
TimingInfo()
{
if (!module->get_blackbox_attribute())
continue;
setup_module(module);
- }
+ }
}
const ModuleTiming& setup_module(RTLIL::Module *module)
{
- auto r = data.insert(module->name);
- log_assert(r.second);
- auto &t = r.first->second;
+ auto r = data.insert(module->name);
+ log_assert(r.second);
+ auto &t = r.first->second;
for (auto cell : module->cells()) {
- if (cell->type == ID($specify2)) {
- auto src = cell->getPort(ID(SRC));
- auto dst = cell->getPort(ID(DST));
- for (const auto &c : src.chunks())
- if (!c.wire->port_input)
- log_error("Module '%s' contains specify cell '%s' where SRC '%s' is not a module input.\n", log_id(module), log_id(cell), log_signal(src));
- for (const auto &c : dst.chunks())
- if (!c.wire->port_output)
- log_error("Module '%s' contains specify cell '%s' where DST '%s' is not a module output.\n", log_id(module), log_id(cell), log_signal(dst));
- int rise_max = cell->getParam(ID(T_RISE_MAX)).as_int();
- int fall_max = cell->getParam(ID(T_FALL_MAX)).as_int();
- int max = std::max(rise_max,fall_max);
- if (max < 0)
- log_error("Module '%s' contains specify cell '%s' with T_{RISE,FALL}_MAX < 0.\n", log_id(module), log_id(cell));
- if (cell->getParam(ID(FULL)).as_bool()) {
- for (const auto &s : src)
- for (const auto &d : dst) {
- auto r = t.comb.insert(BitBit(s,d));
- if (!r.second)
- log_error("Module '%s' contains multiple specify cells for SRC '%s' and DST '%s'.\n", log_id(module), log_signal(s), log_signal(d));
- r.first->second = max;
- }
- }
- else {
- log_assert(GetSize(src) == GetSize(dst));
- for (auto i = 0; i < GetSize(src); i++) {
- const auto &s = src[i];
- const auto &d = dst[i];
- auto r = t.comb.insert(BitBit(s,d));
- if (!r.second)
- log_error("Module '%s' contains multiple specify cells for SRC '%s' and DST '%s'.\n", log_id(module), log_signal(s), log_signal(d));
- r.first->second = max;
- }
- }
- }
- else if (cell->type == ID($specify3)) {
+ if (cell->type == ID($specify2)) {
+ auto src = cell->getPort(ID(SRC));
+ auto dst = cell->getPort(ID(DST));
+ for (const auto &c : src.chunks())
+ if (!c.wire->port_input)
+ log_error("Module '%s' contains specify cell '%s' where SRC '%s' is not a module input.\n", log_id(module), log_id(cell), log_signal(src));
+ for (const auto &c : dst.chunks())
+ if (!c.wire->port_output)
+ log_error("Module '%s' contains specify cell '%s' where DST '%s' is not a module output.\n", log_id(module), log_id(cell), log_signal(dst));
+ int rise_max = cell->getParam(ID(T_RISE_MAX)).as_int();
+ int fall_max = cell->getParam(ID(T_FALL_MAX)).as_int();
+ int max = std::max(rise_max,fall_max);
+ if (max < 0)
+ log_error("Module '%s' contains specify cell '%s' with T_{RISE,FALL}_MAX < 0.\n", log_id(module), log_id(cell));
+ if (cell->getParam(ID(FULL)).as_bool()) {
+ for (const auto &s : src)
+ for (const auto &d : dst) {
+ auto r = t.comb.insert(BitBit(s,d));
+ if (!r.second)
+ log_error("Module '%s' contains multiple specify cells for SRC '%s' and DST '%s'.\n", log_id(module), log_signal(s), log_signal(d));
+ r.first->second = max;
+ }
+ }
+ else {
+ log_assert(GetSize(src) == GetSize(dst));
+ for (auto i = 0; i < GetSize(src); i++) {
+ const auto &s = src[i];
+ const auto &d = dst[i];
+ auto r = t.comb.insert(BitBit(s,d));
+ if (!r.second)
+ log_error("Module '%s' contains multiple specify cells for SRC '%s' and DST '%s'.\n", log_id(module), log_signal(s), log_signal(d));
+ r.first->second = max;
+ }
+ }
+ }
+ else if (cell->type == ID($specify3)) {
auto src = cell->getPort(ID(SRC));
auto dst = cell->getPort(ID(DST));
for (const auto &c : src.chunks())
continue;
}
for (const auto &d : dst) {
- auto &v = t.arrival[d];
+ auto &v = t.arrival[d];
v = std::max(v, max);
- }
+ }
}
else if (cell->type == ID($specrule)) {
auto type = cell->getParam(ID(TYPE)).decode_string();
continue;
}
for (const auto &s : src) {
- auto &v = t.required[s];
+ auto &v = t.required[s];
v = std::max(v, max);
- }
+ }
}
}
- return t;
+ return t;
}
- decltype(data)::const_iterator find(RTLIL::IdString module_name) const { return data.find(module_name); }
- decltype(data)::const_iterator end() const { return data.end(); }
- int count(RTLIL::IdString module_name) const { return data.count(module_name); }
- const ModuleTiming& at(RTLIL::IdString module_name) const { return data.at(module_name); }
+ decltype(data)::const_iterator find(RTLIL::IdString module_name) const { return data.find(module_name); }
+ decltype(data)::const_iterator end() const { return data.end(); }
+ int count(RTLIL::IdString module_name) const { return data.count(module_name); }
+ const ModuleTiming& at(RTLIL::IdString module_name) const { return data.at(module_name); }
};
YOSYS_NAMESPACE_END
for (auto &it : bit_users)
if (bit_drivers.count(it.first))
for (auto driver_cell : bit_drivers.at(it.first))
- for (auto user_cell : it.second)
- toposort.edge(driver_cell, user_cell);
+ for (auto user_cell : it.second)
+ toposort.edge(driver_cell, user_cell);
if (ys_debug(1))
toposort.analyze_loops = true;
void prep_delays(RTLIL::Design *design, bool dff_mode)
{
- TimingInfo timing;
+ TimingInfo timing;
// Derive all Yosys blackbox modules that are not combinatorial abc9 boxes
// (e.g. DSPs, RAMs, etc.) nor abc9 flops and collect all such instantiations
if (dff_mode && inst_module->get_bool_attribute(ID(abc9_flop))) {
flops.insert(inst_module);
continue; // do not add $__ABC9_DELAY boxes to flops
- // as delays will be captured in the flop box
+ // as delays will be captured in the flop box
}
if (!timing.count(derived_type))
void prep_lut(RTLIL::Design *design, int maxlut)
{
- TimingInfo timing;
+ TimingInfo timing;
std::vector<std::tuple<int, IdString, int, std::vector<int>>> table;
for (auto module : design->modules()) {
else if (o != d)
log_error("(* abc9_lut *) module '%s' with has more than one output.\n", log_id(module));
specify.push_back(i.second);
- }
+ }
if (maxlut && GetSize(specify) > maxlut)
continue;
void prep_box(RTLIL::Design *design, bool dff_mode)
{
- TimingInfo timing;
+ TimingInfo timing;
std::stringstream ss;
int abc9_box_id = 1;
first = false;
else
ss << " ";
- auto it = t.find(wire);
- if (it == t.end())
+ auto it = t.find(wire);
+ if (it == t.end())
// Assume that no setup time means zero
- ss << 0;
- else {
- ss << it->second;
+ ss << 0;
+ else {
+ ss << it->second;
#ifndef NDEBUG
- if (ys_debug(1)) {
- static std::set<std::pair<IdString,IdString>> seen;
- if (seen.emplace(module->name, port_name).second) log("%s.%s abc9_required = %d\n", log_id(module),
- log_id(port_name), it->second);
- }
+ if (ys_debug(1)) {
+ static std::set<std::pair<IdString,IdString>> seen;
+ if (seen.emplace(module->name, port_name).second) log("%s.%s abc9_required = %d\n", log_id(module),
+ log_id(port_name), it->second);
+ }
#endif
- }
+ }
}
// Last input is 'abc9_ff.Q'