mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-24 01:25:33 +00:00
Code Activity

Merge pull request #1573 from YosysHQ/eddie/xilinx_tristate

Browse source 
synth_xilinx: error out if tristate without '-iopad'
This commit is contained in:
N. Engelhardt 2020-01-28 17:24:54 +01:00 • committed by GitHub
commit 086c133ea5
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 13 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
techlibs/xilinx/synth_xilinx.cc
View file

@ -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");