mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-08-04 10:20:24 +00:00
Code Activity

btor, smt2, smv: Add a hint on how to deal with funny FF types.

Browse source
This commit is contained in:
Marcelina Kościelnicka 2021-02-23 12:06:21 +01:00
parent a651204efa
commit 979347999f
3 changed files with 42 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

15
backends/btor/btor.cc
View file

@ -860,7 +860,20 @@ struct BtorWorker
goto okay;
}
log_error("Unsupported cell type: %s (%s)\n", log_id(cell->type), log_id(cell));
if (cell->type.in(ID($dffe), ID($sdff), ID($sdffe), ID($sdffce)) || cell->type.str().substr(0, 6) == "$_SDFF" || (cell->type.str().substr(0, 6) == "$_DFFE" && cell->type.str().size() == 10)) {
log_error("Unsupported cell type %s for cell %s.%s -- please run `dffunmap` before `write_btor`.\n",
log_id(cell->type), log_id(module), log_id(cell));
}
if (cell->type.in(ID($adff), ID($adffe), ID($dffsr), ID($dffsre)) || cell->type.str().substr(0, 5) == "$_DFF") {
log_error("Unsupported cell type %s for cell %s.%s -- please run `async2sync; dffunmap` or `clk2fflogic` before `write_btor`.\n",
log_id(cell->type), log_id(module), log_id(cell));
}
if (cell->type.in(ID($sr), ID($dlatch), ID($adlatch), ID($dlatchsr)) || cell->type.str().substr(0, 8) == "$_DLATCH" || cell->type.str().substr(0, 5) == "$_SR_") {
log_error("Unsupported cell type %s for cell %s.%s -- please run `clk2fflogic` before `write_btor`.\n",
log_id(cell->type), log_id(module), log_id(cell));
}
log_error("Unsupported cell type %s for cell %s.%s.\n",
log_id(cell->type), log_id(module), log_id(cell));
okay:
btorf_pop(log_id(cell));