Update lowrisc_ibex to lowRISC/ibex@5826af8

Update code from upstream repository
https://github.com/lowRISC/ibex.git to revision
5826af8ad924eccdb51b8ea02dfd54a9d4719edf

* [rtl] Instantiate shadow CSRs (Tom Roberts)
* [rtl] Lint fix for unused signal in multdiv (Greg Chadwick)
* [simple-system] always_comb should be always (Greg Chadwick)
* [simple-system] Add ICache parameters (Greg Chadwick)
* Add VCS compile option for unicode (Hodjat Asghari Esfeden)
* Update google_riscv-dv to google/riscv-dv@3467c37 (Udi Jonnalagadda)
* Fix lint issues (Luka Macan)
* Add .svlint.toml (Luka Macan)
* [ibex/dv/rtl] Updates to run Cadence Xcelium (Paul OKeeffe)
* Pass -fno-extended-identifiers to VCS (Rupert Swarbrick)
* Avoid spurious rebuilds in core_ibex Makefile with OUT = sim (Rupert
  Swarbrick)
* [ibex/dv] Update CSV log conversion script (Udi Jonnalagadda)
* [dv] Increase simulation timeout (Philipp Wagner)
* [ci] Add a comment on private CI (Philipp Wagner)
* Enable configuration with Icache in public CI (Philipp Wagner)
* Tie off branch predictor signals when icache is used (Philipp
  Wagner)
* [rtl] Various small lint fixes (Tom Roberts)
* Enable Verible lint (Philipp Wagner)
* Pass through ICache-related parameters in compliance test (Philipp
  Wagner)
* Update Spike to a version with icache support (Philipp Wagner)
* Use the latest version of Verible (Philipp Wagner)
* Use the same toolchain as in OpenTitan (Philipp Wagner)
* Use Verilator 4.040 in CI (Philipp Wagner)
* [dv/ibex] Enable icache in Ibex environment (Udi Jonnalagadda)
* Update google_riscv-dv to google/riscv-dv@39797b2 (Udi Jonnalagadda)
* [ibex/dv] return non-zero exit code upon failure (Udi Jonnalagadda)
* [doc] Mark icache verification as "done for now" (Philipp Wagner)
* Add support for additional HW breakpoints (Tobias Wölfel)
* [rtl] Fix illegal write to DCSR cause field (Tom Roberts)
* [rtl] Add CSR module and instantiate (Tom Roberts)
* [rtl] Various security feature bugfixes (Tom Roberts)
* [rtl] Fix missing else branch in decoder (Tom Roberts)
* [rtl] Add plusarg to disable trace log (Tobias Wölfel)
* [ci] Update install-build-deps.sh script for Ubuntu 18.04 (Philipp
  Wagner)
* [doc] Fix broken link to examples description (Alex Bradbury)
* [doc] Fix image link (Tobias Wölfel)
* Restructure documentation (Philipp Wagner)
* [simple-system] Add missing linker sections (Tom Roberts)
* [simple_system] Update CSR Access for LLVM and GCC (Sam Elliott)
* In util, restrict mypy linting to sv2v_in_place.py (Rupert
  Swarbrick)
* [formal] Add check for multdiv cycle consumption (Tobias Wölfel)
* Move sv2v script into standalone core file (Tobias Wölfel)
* [syn] Add script to print kGE equivalent (Tom Roberts)
* [rtl] Fix debug step over EBREAK issue (Tom Roberts)
* Fix "no invalidate" logic in ICache sequence (Rupert Swarbrick)
* Port ICache formal core file to final Edalize design (Rupert
  Swarbrick)
* [ci] Force setuptools not to use version 50.0.0 for now (Rupert
  Swarbrick)

Signed-off-by: Tom Roberts <tomroberts@lowrisc.org>
180 files changed
tree: 944cbd75c67d513267560c8dd667c55a5926b79e
  1. .github/
  2. ci/
  3. doc/
  4. hw/
  5. site/
  6. sw/
  7. test/
  8. util/
  9. .clang-format
  10. .dockerignore
  11. .flake8
  12. .gitignore
  13. .style.yapf
  14. .svlint.toml
  15. .svls.toml
  16. _index.md
  17. apt-requirements.txt
  18. azure-pipelines.yml
  19. check_tool_requirements.core
  20. CLA
  21. COMMITTERS
  22. CONTRIBUTING.md
  23. LICENSE
  24. meson.build
  25. meson_init.sh
  26. meson_options.txt
  27. python-requirements.txt
  28. README.md
  29. tool_requirements.py
  30. toolchain.txt
README.md

OpenTitan

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About the project

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.

About this repository

This repository contains hardware, software and utilities written as part of the OpenTitan project. It is structured as monolithic repository, or “monorepo”, where all components live in one repository. It exists to enable collaboration across partners participating in the OpenTitan project.

Documentation

The project contains comprehensive documentation of all IPs and tools. You can access it online at docs.opentitan.org.

How to contribute

Have a look at CONTRIBUTING for guidelines on how to contribute code to this repository.

Licensing

Unless otherwise noted, everything in this repository is covered by the Apache License, Version 2.0 (see LICENSE for full text).