fix(cactus): memory sharing tests failure MP
The last test to share memory functionality tested the FFA_MEMORY_DONATE
interface. After donating the memory, the original owner didn't update
its stage-1 translation at EL1. Hence, when booting a MP setup, there
would be a data abort, as at stage-2 translation the memory region
is now owned by the receiver of the test.
Share memory region was being allocated part of the BSS section, was
being mapped as a static region in the xlat libraries. A static region
is not meant to be unmapped.
To fix the above points:
- allocated a memory region in the partition manifest of all Cactus SPs
for the sake of the memory sharing tests.
- at stage-1 before using it for the first memory share operation, the
sender would map its segment as a dynamic region.
- if test included a FFA_MEMORY_DONATE call, after donation the owner
unmaps the memory region from its stage-1 translation.
Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I039c0d0d1633688b0e9d6ba1e2bbebfd518fc72b
9 files changed