[PATCH v4] armv8: Handle EL2 Host mode

[Tom Rini]

On Wed, Feb 10, 2021 at 08:14:55PM +0100, Mark Kettenis wrote:

> On implementations that support VHE, the layout of the CPTR_EL2
> register depends on whether HCR_EL2.E2H is set.  If the bit is
> set, CPTR_EL2 uses the same layout as CPACR_EL1 and can in fact
> be accessed through that register.  In that case, jump to the
> EL1 code to enable access to the FP/SIMD registers.  This allows
> U-Boot to run on systems that pass control to U-Boot in EL2 with
> EL2 Host mode enabled such as machines using Apple's M1 SoC.
> 
> Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
> Acked-by: Marc Zyngier <maz at kernel.org>

Applied to u-boot/master, thanks!

-- 
Tom
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