diff options
Diffstat (limited to 'backends/smv/smv.cc')
| -rw-r--r-- | backends/smv/smv.cc | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/backends/smv/smv.cc b/backends/smv/smv.cc index 4e5c6050d..7d4f94adc 100644 --- a/backends/smv/smv.cc +++ b/backends/smv/smv.cc @@ -1,7 +1,7 @@ /* * yosys -- Yosys Open SYnthesis Suite * - * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -573,8 +573,22 @@ struct SmvWorker continue; } - if (cell->type[0] == '$') - log_error("Found currently unsupported cell type %s (%s.%s).\n", log_id(cell->type), log_id(module), log_id(cell)); + if (cell->type[0] == '$') { + 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_smv`.\n", + log_id(cell->type), log_id(module), log_id(cell)); + } + if (cell->type.in(ID($adff), ID($adffe), ID($aldff), ID($aldffe), ID($dffsr), ID($dffsre)) || cell->type.str().substr(0, 5) == "$_DFF" || cell->type.str().substr(0, 7) == "$_ALDFF") { + log_error("Unsupported cell type %s for cell %s.%s -- please run `async2sync; dffunmap` or `clk2fflogic` before `write_smv`.\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_smv`.\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)); + } // f << stringf(" %s : %s;\n", cid(cell->name), cid(cell->type)); @@ -727,6 +741,11 @@ struct SmvBackend : public Backend { log_header(design, "Executing SMV backend.\n"); + log_push(); + Pass::call(design, "bmuxmap"); + Pass::call(design, "demuxmap"); + log_pop(); + size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { |