On Wed, May 27, 2020 at 08:04:24PM +0200, Heinrich Schuchardt wrote:
> Compiling with clang on ARMv8 shows errors like:
>
> ./arch/arm/include/asm/system.h:162:32: note: use constraint modifier "w"
> asm volatile("msr sctlr_el1, %0" : : "r" (val) : "cc");
> ^~
> %w0
>
> These errors are due to using an incorrect size for the variables used
> for writing to and reading from special registers which have 64 bits on
> ARMv8.
>
> Mask off reserved bits when reading the exception level.
>
> Signed-off-by: Heinrich Schuchardt <[email protected]>Applied to u-boot/master, thanks! -- Tom
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