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| author | Eddie Hung <eddie@fpgeh.com> | 2019-12-12 14:33:33 -0800 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-12-12 14:33:33 -0800 |
| commit | 3bd623bb05c0be74b024f5635e754e794bd6316c (patch) | |
| tree | d9a0efdf7656bebfac6f5c094ac3524e2b8f9c90 /techlibs/xilinx/synth_xilinx.cc | |
| parent | abf99d4dae8a464910b81122f9720660c59a631e (diff) | |
| download | yosys-3bd623bb05c0be74b024f5635e754e794bd6316c.tar.gz yosys-3bd623bb05c0be74b024f5635e754e794bd6316c.tar.bz2 yosys-3bd623bb05c0be74b024f5635e754e794bd6316c.zip | |
synth_xilinx: error out if tristate without '-iopad'
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 2c5686a35..6dd769055 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -306,6 +306,10 @@ struct SynthXilinxPass : public ScriptPass run("proc"); if (flatten || help_mode) run("flatten", "(with '-flatten')"); + active_design->scratchpad_unset("tribuf.added_something"); + run("tribuf -logic"); + if (!do_iopad && active_design->scratchpad_get_bool("tribuf.added_something")) + log_error("Tristate buffers are unsupported without the '-iopad' option.\n"); run("tribuf -logic"); run("deminout"); run("opt_expr"); |