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Added sat -show-inputs and -show-outputs

This commit is contained in:
Clifford Wolf 2014-02-01 22:52:44 +01:00
parent caf540d1ad
commit 374674aff4
1 changed files with 24 additions and 1 deletions
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25
passes/sat/sat.cc
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@ -693,6 +693,9 @@ struct SatPass : public Pass {
log(" show the model for the specified signal. if no -show option is\n"); log(" show the model for the specified signal. if no -show option is\n");
log(" passed then a set of signals to be shown is automatically selected.\n"); log(" passed then a set of signals to be shown is automatically selected.\n");
log("\n"); log("\n");
log(" -show-inputs, -show-outputs\n");
log(" add all module input (output) ports to the list of shown signals\n");
log("\n");
log(" -ignore_div_by_zero\n"); log(" -ignore_div_by_zero\n");
log(" ignore all solutions that involve a division by zero\n"); log(" ignore all solutions that involve a division by zero\n");
log("\n"); log("\n");
@ -758,7 +761,7 @@ struct SatPass : public Pass {
int loopcount = 0, seq_len = 0, maxsteps = 0, timeout = 0; int loopcount = 0, seq_len = 0, maxsteps = 0, timeout = 0;
bool verify = false, fail_on_timeout = false, enable_undef = false, set_def_inputs = false; bool verify = false, fail_on_timeout = false, enable_undef = false, set_def_inputs = false;
bool ignore_div_by_zero = false, set_init_undef = false, max_undef = false; bool ignore_div_by_zero = false, set_init_undef = false, max_undef = false;
bool tempinduct = false, prove_asserts = false; bool tempinduct = false, prove_asserts = false, show_inputs = false, show_outputs = false;
log_header("Executing SAT pass (solving SAT problems in the circuit).\n"); log_header("Executing SAT pass (solving SAT problems in the circuit).\n");
@ -898,6 +901,14 @@ struct SatPass : public Pass {
shows.push_back(args[++argidx]); shows.push_back(args[++argidx]);
continue; continue;
} }
if (args[argidx] == "-show-inputs") {
show_inputs = true;
continue;
}
if (args[argidx] == "-show-outputs") {
show_outputs = true;
continue;
}
break; break;
} }
extra_args(args, argidx, design); extra_args(args, argidx, design);
@ -928,6 +939,18 @@ struct SatPass : public Pass {
sets_def.push_back(it.second->name); sets_def.push_back(it.second->name);
} }
if (show_inputs) {
for (auto &it : module->wires)
if (it.second->port_input)
shows.push_back(it.second->name);
}
if (show_outputs) {
for (auto &it : module->wires)
if (it.second->port_output)
shows.push_back(it.second->name);
}
if (tempinduct) if (tempinduct)
{ {
if (loopcount > 0 || max_undef) if (loopcount > 0 || max_undef)