| commit | f942e842d569e2d896e9797ecab6808e38d25e5e | [log] [tgz] |
|---|---|---|
| author | Martin Lueker-Boden <martin.lueker-boden@wdc.com> | Sun Nov 06 13:46:35 2022 -0800 |
| committer | Martin Lueker-Boden <47870387+martin-lueker@users.noreply.github.com> | Thu Nov 10 09:33:36 2022 -0800 |
| tree | e1fb3fc787b9f57ede09b8e4349ec8aae7c44488 | |
| parent | d37c76f2ebd26bad95886abda2e1324121f1e58f [diff] |
[entropy_src/dv] No backpressure on AST RNG agent The Raw RNG source used by the top-level AST top is expected to not respect the `ready` output from the `entropy_src`. This commit modifies the host/push variant of the `push_pull_driver`, to optionially mimic such an external device. This change is helpful in in closing the `main_sm` transition coverage. The transition StartupHTStart->Idle transition can be blocked if there is always an RNG sample waiting at the RNG IF, as many parts of the DUT, including the FSM, wait for the state of the internal FIFOs to self-clear before fully shutting down. Signed-off-by: Martin Lueker-Boden <martin.lueker-boden@wdc.com> Co-authored-by: Andreas Kurth <github@akurth.net>

OpenTitan is an open source silicon Root of Trust (RoT) project. OpenTitan will make the silicon RoT design and implementation more transparent, trustworthy, and secure for enterprises, platform providers, and chip manufacturers. OpenTitan is administered by lowRISC CIC as a collaborative project to produce high quality, open IP for instantiation as a full-featured product. See the OpenTitan site and OpenTitan docs for more information about the project.
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