[yocto] Intel machine with 64 Bit kernel and 32 Bit user space

[Mark Hatle]

On 7/26/18 10:19 AM, Alexander Kanavin wrote:
> 2018-07-26 14:56 GMT+02:00 Ayoub Zaki <ayoub.zaki at googlemail.com>:
>> Is it possible to define a MACHINE configuration with a 64 Bit kernel and 32
>> Bit user space ?
>>
>> The user space should not be using a  x32 ABI.
> 
> I think (but I am not sure), that you can do it with multilib. Define
> a configuration like this:
> https://github.com/openembedded/openembedded-core/blob/master/meta-skeleton/conf/multilib-example.conf
> 
> Then build lib32-core-image-minimal. That image should include only 32
> bit user space, but the kernel will be 64 bit.

Yes this is the typical approach.  Enable multilibs, and then build the image
you you want with the approach multilib prefix.

This works in any multilib configurations, 64-bit, 32-bit, x32, etc..

--Mark

> Alex
>