Re: [PATCH] ARM: move firmware_ops to drivers/firmware

From: Christopher Covington
Date: Mon Nov 18 2013 - 14:04:58 EST


Hi Catalin,

On 11/18/2013 12:30 PM, Catalin Marinas wrote:
[...]
> You can't run legacy AArch32 code at EL3 and have lower levels in AArch64
> mode (architectural constraint).

What prevents AArch32 code from running at EL3 and then requesting a reset to
AArch64 by writing to the Reset Management Register before sliding down to
lower exception levels?

Thanks,
Christopher

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