Re: Unable to build generic kernel on earmv6hf

Martin Husemann <[email protected]> writes:

> On Thu, Nov 28, 2024 at 10:50:19AM -0500, Paul Walker wrote:
>> There is a movw instruction in sys/crypto/aes/arch/arm/aes_neon_32.S that is
>> preventing a build of the generic kernel for armv6.
>> 
>> Is there any reason to use the movw instruction over mov considering it is
>> being used to zero r3?
>
> That question is actually good and I'll leave the answer to others - but
> what use is GENERIC for evbearmv6? It is not usually build, only the
> RPI and RPI2 kernels.

You can use it in qemu and have a system that advertises itself as a v6
system for pkgsrc builds.  My qemu v6 system is much faster than any
real v6 hardware would be.

> I thought everything supporting GENERIC was evbearmv7* ?
>
> This is no objection to changing the aes_neon_32.S code.

I think that there will be other problems...  the last time I tried to
use arm GENERIC directly as a v6 build target it blew up in linking the
kernel..  I have since forgotten why (maybe something in power
management??).  Lately I just build my GENERIC v6 kernels using the same
method RPI2 does.. that is, as a v7 kernel advertising itself as a v6.

> Martin



-- 
Brad Spencer - [email protected]