[PATCH 0/6] armv8: fixes and cleanups

[Michael Walle]

Am 2022-01-09 18:30, schrieb Andre Przywara:
> Hi,
> 
> I was looking into the arm64 boot code lately and stumbled upon some
> issues. Also Nishanth brought back memories of a lengthy debug session,
> which was caused due to U-Boot keeping SErrors masked. As the resulting
> patches are all somewhat related, I gathered this series here to 
> address
> those problems.
> 
> Patches 1 to 3 address exception handling issues, with the SError
> enablement being the most prominent fix here.
> Patch 4 cleans up asm/io.h. This was on the list before[1], but was
> somehow lost when it was intercepted by a shorter version of itself.
> Patches 5 and 6 clean up some unnecessarily complicated AArch64 
> assembly
> code.
> 
> I did only some light testing, as some code paths do not apply to 
> boards
> I have (ARMV8_MULTIENTRY).
> 
> Please have a look and test!

FWIW, tested on kontron sl28 board with and without TF-A. U-Boot is 
either
running in EL3 or EL2.

Tested-by: Michael Walle <michael at walle.cc>

-michael