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abc9_ops: -write_box is empty, output a dummy box to prevent ABC error

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This commit is contained in:
Eddie Hung 2020-01-15 13:14:48 -08:00
parent 38aa248385
commit 5a63c19747
4 changed files with 4 additions and 4 deletions
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3
passes/techmap/abc9_exe.cc
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@ -510,9 +510,8 @@ struct Abc9ExePass : public Pass {
}
}
// ABC expects a box file for XAIG
if (box_file.empty())
box_file = "+/dummy.box";
log_cmd_error("abc9_exe '-box' option is mandatory.\n");
rewrite_filename(box_file);
if (!box_file.empty() && !is_absolute_path(box_file) && box_file[0] != '+')

3
passes/techmap/abc9_ops.cc
View file

@ -569,6 +569,9 @@ void write_box(RTLIL::Module *module, const std::string &src, const std::string
module->attributes.erase(it);
}
if (ofs.tellp() == 0)
ofs << "(dummy) 1 0 0 0";
ofs.close();
}