[U-Boot] [U-Boot,v5,21/30] arm64: Allow exceptions to return

[Tom Rini]

On Fri, Mar 04, 2016 at 01:10:05AM +0100, Alexander Graf wrote:

> Our current arm64 exception handlers all panic and never return to the
> exception triggering code.
> 
> But if any handler wanted to continue execution after fixups, it would
> need help from the exception handling code to restore all registers.
> 
> This patch implements that help. With this code, exception handlers on
> aarch64 can successfully return to the place the exception happened (or
> somewhere else if they modify elr).
> 
> Signed-off-by: Alexander Graf <agraf at suse.de>

Applied to u-boot/master, thanks!

-- 
Tom
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