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| author | Eddie Hung <eddie@fpgeh.com> | 2019-06-14 13:08:38 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-06-14 13:08:38 -0700 |
| commit | 0fa6a441f1a222b039975cf622ddca479a65cf24 (patch) | |
| tree | d30dddf79518226fb7666b19ca894fec8a68efb5 /backends | |
| parent | 2d85725604271c658382e8fdd8ff28275fb94b03 (diff) | |
| download | yosys-0fa6a441f1a222b039975cf622ddca479a65cf24.tar.gz yosys-0fa6a441f1a222b039975cf622ddca479a65cf24.tar.bz2 yosys-0fa6a441f1a222b039975cf622ddca479a65cf24.zip | |
Check that whiteboxes are synthesisable
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/aiger/xaiger.cc | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 3f7edc627..bc722e492 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -722,7 +722,7 @@ struct XAigerWriter write_h_buffer(box_list.size()); RTLIL::Module *holes_module = nullptr; - holes_module = module->design->addModule("\\__holes__"); + holes_module = module->design->addModule("$__holes__"); log_assert(holes_module); int port_id = 1; @@ -822,17 +822,21 @@ struct XAigerWriter Pass::call(holes_module->design, "flatten -wb"); - // TODO: Should techmap all lib_whitebox-es once + // TODO: Should techmap/AIG all lib_whitebox-es once Pass::call(holes_module->design, "techmap"); Pass::call(holes_module->design, "aigmap"); - Pass::call(holes_module->design, "clean -purge"); + for (auto cell : holes_module->cells()) + if (!cell->type.in("$_NOT_", "$_AND_")) + log_error("Whitebox contents cannot be represented as AIG. Please verify whiteboxes are synthesisable.\n"); - holes_module->design->selection_stack.pop_back(); + Pass::call(holes_module->design, "clean -purge"); std::stringstream a_buffer; XAigerWriter writer(holes_module, false /*zinit_mode*/, true /* holes_mode */); writer.write_aiger(a_buffer, false /*ascii_mode*/); + holes_module->design->selection_stack.pop_back(); + f << "a"; std::string buffer_str = a_buffer.str(); int32_t buffer_size_be = to_big_endian(buffer_str.size()); |