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| author | N. Engelhardt <nak@symbioticeda.com> | 2020-01-28 17:24:54 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-01-28 17:24:54 +0100 |
| commit | 086c133ea58179b1b1a14bff972355c68f926e8d (patch) | |
| tree | 7b0c1b159931be87b14147434685af7627a0690e /techlibs/xilinx/synth_xilinx.cc | |
| parent | 409e5324333d881dadd64fa211b9a6aa86ce36e9 (diff) | |
| parent | dd7d2d8db615f7d54d9bbee257fad9fb11bdc9f8 (diff) | |
| download | yosys-086c133ea58179b1b1a14bff972355c68f926e8d.tar.gz yosys-086c133ea58179b1b1a14bff972355c68f926e8d.tar.bz2 yosys-086c133ea58179b1b1a14bff972355c68f926e8d.zip | |
Merge pull request #1573 from YosysHQ/eddie/xilinx_tristate
synth_xilinx: error out if tristate without '-iopad'
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 5c3b5179d..5ba8c0e10 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -316,7 +316,10 @@ 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("deminout"); run("opt_expr"); run("opt_clean"); |