test(indirect message): add FFA_MSG_SEND2 tests

Add tests for following scenarios:
* FFA_MSG_SEND2 is a supported FFA_FEATURE.
* VM-VM: primary VM sends an indirect message to VM2. Since current
  implementation misses receiver notification, VM1 explicitly schedules
  VM2 (via FFA_RUN), which reads its RX buffer and echoes it back to
  VM1.
* VM-SP, SP-SP, SP-VM: SP testing infrastructure doesn't support
  indirect messages yet. For those scenarios the primary VM asks the
  sender to send an indirect message to the receiver. Receiver
  notification is missing, the sender sends then a direct message to the
  receiver, which checks its RX buffer and echoes back the message
  payload to the sender.

Change-Id: I699a80cf839a1eac3883fcb7e857a08210160f58
Signed-off-by: Federico Recanati <federico.recanati@arm.com>
20 files changed
tree: 8511778e71f569acbd8bfdad0928a4637d0d40e2
  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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