FF-A: enable direct messaging between SPs

Changed conditions that validate the use of direct message interfaces
(functions 'arch_other_world_is_direct_request_valid' and
'arch_other_world_is_direct_response_valid') to allow direct messaging
between SPs; Implemented function to change execution context to the VM
of a given id (function 'api_switch_to_vm').

Change-Id: I0cc4f40d0dd9ed3bc554bfe16d92f9b2fce4177a
Signed-off-by: J-Alves <joao.alves@arm.com>
2 files changed
tree: d2cab678cc42dfb588b512fb0d6528a0c66dc587
  1. .vscode/
  2. build/
  3. docs/
  4. driver/
  5. inc/
  6. kokoro/
  7. project/
  8. src/
  9. test/
  10. third_party/
  11. vmlib/
  12. .clang-format
  13. .clang-tidy
  14. .gitignore
  15. .gitmodules
  16. .gn
  17. AUTHORS
  18. BUILD.gn
  19. CONTRIBUTING.md
  20. dco.txt
  21. LICENSE
  22. Makefile
  23. navbar.md
  24. README.md
README.md

Hafnium

Hafnium is a hypervisor, initially supporting aarch64 (64-bit Armv8 CPUs).

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