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This commit is contained in:
Emil J. Tywoniak 2026-06-12 00:18:53 +02:00
parent afdae7b87e
commit c3ffbf6fae
229 changed files with 3902 additions and 3835 deletions
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96
passes/cmds/chformal.cc
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@ -24,42 +24,42 @@
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
static RTLIL::IdString formal_flavor(RTLIL::Cell *cell)
static TwineRef formal_flavor(RTLIL::Cell *cell)
{
if (cell->type != ID($check))
return cell->type;
if (cell->type != TW($check))
return cell->type_impl;
std::string flavor_param = cell->getParam(ID(FLAVOR)).decode_string();
if (flavor_param == "assert")
return ID($assert);
return TW($assert);
else if (flavor_param == "assume")
return ID($assume);
return TW($assume);
else if (flavor_param == "cover")
return ID($cover);
return TW($cover);
else if (flavor_param == "live")
return ID($live);
return TW($live);
else if (flavor_param == "fair")
return ID($fair);
return TW($fair);
else
log_abort();
}
static void set_formal_flavor(RTLIL::Cell *cell, RTLIL::IdString flavor)
static void set_formal_flavor(RTLIL::Cell *cell, TwineRef flavor)
{
if (cell->type != ID($check)) {
cell->type_impl = cell->module->design->twines.add(Twine{flavor.str()});
if (cell->type != TW($check)) {
cell->type_impl = flavor;
return;
}
if (flavor == ID($assert))
if (flavor == TW($assert))
cell->setParam(ID(FLAVOR), std::string("assert"));
else if (flavor == ID($assume))
else if (flavor == TW($assume))
cell->setParam(ID(FLAVOR), std::string("assume"));
else if (flavor == ID($cover))
else if (flavor == TW($cover))
cell->setParam(ID(FLAVOR), std::string("cover"));
else if (flavor == ID($live))
else if (flavor == TW($live))
cell->setParam(ID(FLAVOR), std::string("live"));
else if (flavor == ID($fair))
else if (flavor == TW($fair))
cell->setParam(ID(FLAVOR), std::string("fair"));
else
log_abort();
@ -67,7 +67,7 @@ static void set_formal_flavor(RTLIL::Cell *cell, RTLIL::IdString flavor)
static bool is_triggered_check_cell(RTLIL::Cell * cell)
{
return cell->type == ID($check) && cell->getParam(ID(TRG_ENABLE)).as_bool();
return cell->type == TW($check) && cell->getParam(ID(TRG_ENABLE)).as_bool();
}
struct ChformalPass : public Pass {
@ -136,7 +136,7 @@ struct ChformalPass : public Pass {
bool live2fair = false;
bool fair2live = false;
pool<IdString> constr_types;
pool<TwineRef> constr_types;
char mode = 0;
int mode_arg = 0;
@ -144,23 +144,23 @@ struct ChformalPass : public Pass {
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-assert") {
constr_types.insert(ID($assert));
constr_types.insert(TW($assert));
continue;
}
if (args[argidx] == "-assume") {
constr_types.insert(ID($assume));
constr_types.insert(TW($assume));
continue;
}
if (args[argidx] == "-live") {
constr_types.insert(ID($live));
constr_types.insert(TW($live));
continue;
}
if (args[argidx] == "-fair") {
constr_types.insert(ID($fair));
constr_types.insert(TW($fair));
continue;
}
if (args[argidx] == "-cover") {
constr_types.insert(ID($cover));
constr_types.insert(TW($cover));
continue;
}
if (mode == 0 && args[argidx] == "-remove") {
@ -222,11 +222,11 @@ struct ChformalPass : public Pass {
design->sigNormalize(false);
if (constr_types.empty()) {
constr_types.insert(ID($assert));
constr_types.insert(ID($assume));
constr_types.insert(ID($live));
constr_types.insert(ID($fair));
constr_types.insert(ID($cover));
constr_types.insert(TW($assert));
constr_types.insert(TW($assume));
constr_types.insert(TW($live));
constr_types.insert(TW($fair));
constr_types.insert(TW($cover));
}
if (assert2assume && assert2cover) {
@ -274,13 +274,13 @@ struct ChformalPass : public Pass {
for (auto cell : module->selected_cells())
{
if (cell->type == ID($ff)) {
if (cell->type == TW($ff)) {
SigSpec D = sigmap(cell->getPort(TW::D));
SigSpec Q = sigmap(cell->getPort(TW::Q));
for (int i = 0; i < GetSize(D); i++)
ffmap[Q[i]] = make_pair(D[i], make_pair(State::Sm, false));
}
if (cell->type == ID($dff)) {
if (cell->type == TW($dff)) {
SigSpec D = sigmap(cell->getPort(TW::D));
SigSpec Q = sigmap(cell->getPort(TW::Q));
SigSpec C = sigmap(cell->getPort(TW::CLK));
@ -301,7 +301,7 @@ struct ChformalPass : public Pass {
cell->setParam(ID::TRG_POLARITY, false);
}
IdString flavor = formal_flavor(cell);
TwineRef flavor = formal_flavor(cell);
while (true)
{
@ -312,8 +312,8 @@ struct ChformalPass : public Pass {
break;
if (!init_zero.count(EN)) {
if (flavor == ID($cover)) break;
if (flavor.in(ID($assert), ID($assume)) && !init_one.count(A)) break;
if (flavor == TW($cover)) break;
if (flavor.in(TW($assert), TW($assume)) && !init_one.count(A)) break;
}
const auto &A_map = ffmap.at(A);
@ -372,8 +372,8 @@ struct ChformalPass : public Pass {
{
for (auto cell : constr_cells)
{
if (cell->type == ID($check)) {
Cell *cover = module->addCell(NEW_TWINE_SUFFIX("coverenable"), ID($check));
if (cell->type == TW($check)) {
Cell *cover = module->addCell(NEW_TWINE_SUFFIX("coverenable"), TW::$check);
cover->attributes = cell->attributes;
if (cell->src_id() != Twine::Null && module->design)
cover->set_src_id(cell->src_id());
@ -395,24 +395,24 @@ struct ChformalPass : public Pass {
if (mode == 'c')
{
for (auto cell : constr_cells) {
IdString flavor = formal_flavor(cell);
if (assert2assume && flavor == ID($assert))
set_formal_flavor(cell, ID($assume));
if (assert2cover && flavor == ID($assert))
set_formal_flavor(cell, ID($cover));
else if (assume2assert && flavor == ID($assume))
set_formal_flavor(cell, ID($assert));
else if (live2fair && flavor == ID($live))
set_formal_flavor(cell, ID($fair));
else if (fair2live && flavor == ID($fair))
set_formal_flavor(cell, ID($live));
TwineRef flavor = formal_flavor(cell);
if (assert2assume && flavor == TW($assert))
set_formal_flavor(cell, TW($assume));
if (assert2cover && flavor == TW($assert))
set_formal_flavor(cell, TW($cover));
else if (assume2assert && flavor == TW($assume))
set_formal_flavor(cell, TW($assert));
else if (live2fair && flavor == TW($live))
set_formal_flavor(cell, TW($fair));
else if (fair2live && flavor == TW($fair))
set_formal_flavor(cell, TW($live));
}
}
else
if (mode == 'l')
{
for (auto cell : constr_cells) {
if (cell->type != ID($check))
if (cell->type != TW($check))
continue;
if (is_triggered_check_cell(cell))
@ -431,7 +431,7 @@ struct ChformalPass : public Pass {
plain_cell->setPort(TW::A, sig_a);
plain_cell->setPort(TW::EN, sig_en);
if (plain_cell->type.in(ID($assert), ID($assume)))
if (plain_cell->type.in(TW($assert), TW($assume)))
sig_a = module->Not(NEW_TWINE, sig_a);
SigBit combined_en = module->And(NEW_TWINE, sig_a, sig_en);