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| author | Miodrag Milanović <mmicko@gmail.com> | 2022-10-10 16:29:27 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-10 16:29:27 +0200 |
| commit | e8ce9442a6a74621e06f30370c75390978c07cc8 (patch) | |
| tree | f1d4417d1c6e82586fccdd7e3abb8c05a9daf686 /frontends | |
| parent | d68013811f316f3940110fde8435141279e6db5a (diff) | |
| parent | d29606532a15ae8e0c8d6c3591ccb36652d7339b (diff) | |
| download | yosys-e8ce9442a6a74621e06f30370c75390978c07cc8.tar.gz yosys-e8ce9442a6a74621e06f30370c75390978c07cc8.tar.bz2 yosys-e8ce9442a6a74621e06f30370c75390978c07cc8.zip | |
Merge pull request #3452 from ALGCDG/master
Add BLIF names command input plane size check
Diffstat (limited to 'frontends')
| -rw-r--r-- | frontends/blif/blifparse.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/frontends/blif/blifparse.cc b/frontends/blif/blifparse.cc index 73d1f0ea7..fe4c9078a 100644 --- a/frontends/blif/blifparse.cc +++ b/frontends/blif/blifparse.cc @@ -21,6 +21,8 @@ YOSYS_NAMESPACE_BEGIN +const int lut_input_plane_limit = 12; + static bool read_next_line(char *&buffer, size_t &buffer_size, int &line_count, std::istream &f) { string strbuf; @@ -513,6 +515,11 @@ void parse_blif(RTLIL::Design *design, std::istream &f, IdString dff_name, bool sopmode = -1; lastcell = sopcell; } + else if (input_sig.size() > lut_input_plane_limit) + { + err_reason = stringf("names' input plane must have fewer than %d signals.", lut_input_plane_limit + 1); + goto error_with_reason; + } else { RTLIL::Cell *cell = module->addCell(NEW_ID, ID($lut)); @@ -576,7 +583,7 @@ void parse_blif(RTLIL::Design *design, std::istream &f, IdString dff_name, bool if (lutptr) { - if (input_len > 12) + if (input_len > lut_input_plane_limit) goto error; for (int i = 0; i < (1 << input_len); i++) { |