[PATCH v2 03/14] ARM: add exception handling support for PBL

[Marco Felsch]

On 25-06-30, Sascha Hauer wrote:
> Exception handling in PBL can be very useful for debugging PBL code.
> This patch adds support for it.
> 
> This is currently only implemented for ARMv7 and ARMv8. Only on these
> architectures we can tell the CPU where the exception table is. On ARMv6
> and older we would have to copy the exception table either to 0x0 or
> 0xffff0000. Not all SoCs have writable memory at these locations, so we
> would have to utilize the MMU to map writable memory there. We are not
> there yet, so for now skip exception handling support on these older
> architectures.
> 
> Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>