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| author | Archie <ac11018@ic.ac.uk> | 2022-08-21 23:18:20 -0500 |
|---|---|---|
| committer | Archie <ac11018@ic.ac.uk> | 2022-08-21 23:18:20 -0500 |
| commit | 15a0697c70e14d6277e26f6fa21898be5a8f6ff8 (patch) | |
| tree | b3429075ae105278dbd6f06efabdf49834385870 /frontends | |
| parent | db73f3c26b2768f93c7573b7c7d74b1cc7a0756d (diff) | |
| download | yosys-15a0697c70e14d6277e26f6fa21898be5a8f6ff8.tar.gz yosys-15a0697c70e14d6277e26f6fa21898be5a8f6ff8.tar.bz2 yosys-15a0697c70e14d6277e26f6fa21898be5a8f6ff8.zip | |
Adding check for BLIF names command input plane size.
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..52742660e 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 13 signals."); + 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++) { |