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-rw-r--r--passes/sat/sat.cc39
1 files changed, 39 insertions, 0 deletions
diff --git a/passes/sat/sat.cc b/passes/sat/sat.cc
index c8328692..e72eddf3 100644
--- a/passes/sat/sat.cc
+++ b/passes/sat/sat.cc
@@ -936,6 +936,9 @@ struct SatPass : public Pass {
log(" -show-inputs, -show-outputs, -show-ports\n");
log(" add all module (input/output) ports to the list of shown signals\n");
log("\n");
+ log(" -show-regs, -show-public, -show-all\n");
+ log(" show all registers, show signals with 'public' names, show all signals\n");
+ log("\n");
log(" -ignore_div_by_zero\n");
log(" ignore all solutions that involve a division by zero\n");
log("\n");
@@ -1064,6 +1067,7 @@ struct SatPass : public Pass {
bool verify = false, fail_on_timeout = false, enable_undef = false, set_def_inputs = false;
bool ignore_div_by_zero = false, set_init_undef = false, set_init_zero = false, max_undef = false;
bool tempinduct = false, prove_asserts = false, show_inputs = false, show_outputs = false;
+ bool show_regs = false, show_public = false, show_all = false;
bool ignore_unknown_cells = false, falsify = false, tempinduct_def = false, set_init_def = false;
bool tempinduct_baseonly = false, tempinduct_inductonly = false, set_assumes = false;
int tempinduct_skip = 0, stepsize = 1;
@@ -1272,6 +1276,18 @@ struct SatPass : public Pass {
show_outputs = true;
continue;
}
+ if (args[argidx] == "-show-regs") {
+ show_regs = true;
+ continue;
+ }
+ if (args[argidx] == "-show-public") {
+ show_public = true;
+ continue;
+ }
+ if (args[argidx] == "-show-all") {
+ show_all = true;
+ continue;
+ }
if (args[argidx] == "-ignore_unknown_cells") {
ignore_unknown_cells = true;
continue;
@@ -1331,6 +1347,29 @@ struct SatPass : public Pass {
shows.push_back(it.second->name.str());
}
+ if (show_regs) {
+ pool<Wire*> reg_wires;
+ for (auto cell : module->cells()) {
+ if (cell->type == "$dff" || cell->type.substr(0, 6) == "$_DFF_")
+ for (auto bit : cell->getPort("\\Q"))
+ if (bit.wire)
+ reg_wires.insert(bit.wire);
+ }
+ for (auto wire : reg_wires)
+ shows.push_back(wire->name.str());
+ }
+
+ if (show_public) {
+ for (auto wire : module->wires())
+ if (wire->name[0] == '\\')
+ shows.push_back(wire->name.str());
+ }
+
+ if (show_all) {
+ for (auto wire : module->wires())
+ shows.push_back(wire->name.str());
+ }
+
if (tempinduct)
{
if (loopcount > 0 || max_undef)