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author | Ard Biesheuvel <ardb@kernel.org> | 2023-02-07 16:09:56 +0100 |
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committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-03-16 21:14:49 +0000 |
commit | 6b821be1407c46950a2d334e5a240ea5ba47d416 (patch) | |
tree | 17126792336bf1a0702719d614a6d0f030720075 /ArmPkg/Library/ArmSvcLib | |
parent | 041c7a31c2213844a7a30dd57205bae2f754a5bb (diff) | |
download | edk2-6b821be1407c46950a2d334e5a240ea5ba47d416.tar.gz edk2-6b821be1407c46950a2d334e5a240ea5ba47d416.tar.bz2 edk2-6b821be1407c46950a2d334e5a240ea5ba47d416.zip |
ArmPkg/ArmMmuLib: Implement EFI_MEMORY_RP using access flag
Implement support for read-protected memory by wiring it up to the
access flag in the page table descriptor. The resulting mapping is
implicitly non-writable and non-executable as well, but this is good
enough for implementing this attribute, as we never rely on write or
execute permissions without read permissions.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Diffstat (limited to 'ArmPkg/Library/ArmSvcLib')
0 files changed, 0 insertions, 0 deletions