Preserve MDCR_EL2 values that are potentially set by bootcode

The MDCR_EL2 register's HPMN and E2PB fields depend on whether certain features
are implemented by the current processor, and should be setup by the
bootcode.  Preserve their values.

Bug: 132422368
Change-Id: Id21b8458a53863db990358f27efb72132688f9bf
1 file changed
tree: 17ba54909c87c707a3066779e073e3b3390f3b69
  1. .vscode/
  2. build/
  3. docs/
  4. driver/
  5. inc/
  6. kokoro/
  7. project/
  8. src/
  9. test/
  10. third_party/
  11. .clang-format
  12. .clang-tidy
  13. .gitignore
  14. .gitmodules
  15. .gn
  16. AUTHORS
  17. BUILD.gn
  18. CONTRIBUTING.md
  19. LICENSE
  20. Makefile
  21. README.md
README.md

Hafnium

Hafnium is a hypervisor, initially supporting aarch64 (64-bit ARMv8 CPUs).

Get in touch and keep up-to-date at hafnium-discuss@googlegroups.com.

Getting started

To jump in and build Hafnium, follow the getting started instructions.

If you want to contribute to the project, see details of how we accept contributions.

Documentation

More documentation is available on: