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ice40: Demote conflicting FF init values to a warning

This commit is contained in:
Niklas Nisbeth 2019-12-31 02:38:10 +01:00
parent 9e6632c40a
commit 379dcda139
1 changed files with 8 additions and 2 deletions
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10
techlibs/ice40/ice40_ffinit.cc
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@ -78,10 +78,12 @@ struct Ice40FfinitPass : public Pass {
continue;
if (initbits.count(bit)) {
if (initbits.at(bit) != val)
log_error("Conflicting init values for signal %s (%s = %s, %s = %s).\n",
if (initbits.at(bit) != val) {
log_warning("Conflicting init values for signal %s (%s = %s, %s = %s).\n",
log_signal(bit), log_signal(SigBit(wire, i)), log_signal(val),
log_signal(initbit_to_wire[bit]), log_signal(initbits.at(bit)));
initbits.at(bit) = State::Sx;
}
continue;
}
@ -114,6 +116,10 @@ struct Ice40FfinitPass : public Pass {
continue;
State val = initbits.at(bit_q);
if (val == State::Sx)
continue;
handled_initbits.insert(bit_q);
log("FF init value for cell %s (%s): %s = %c\n", log_id(cell), log_id(cell->type),