Re: [Xen-users] Xen 4.13 and Raspberry Pi4

[Julien Grall <julien@xxxxxxx>]

On 24/03/2020 01:19, marcos.ata1983@xxxxxxxxx wrote:
> Hi,
Hello,

> On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List* I 
> read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, 
> *Raspberry Pi4* and Intel AVX512."
> So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my 
> Raspberry Pi 4 4GB (with Raspbian Buster Lite):
> *./configure* its OK
>
> But *make world *or *make dist *got the error message:
>
>
> /tmp/cccDG1wU.s: Assembler messages:
> /tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' in 
> ARM mode
> /tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' in 
> ARM mode
> /tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' in 
> ARM mode
> /tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' in 
> ARM mode
> make[5]: *** [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: 
> xenstored_domain.o] Error 1
> make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
> make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: 
> subdir-install-xenstore] Error 2
> make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
> make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: 
> subdirs-install] Error 2
> make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
> make[2]: *** [Makefile:73: install] Error 2
> make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
> make[1]: *** [Makefile:134: install-tools] Error 2
> make[1]: Leaving directory '/tmp/xen-4.13.0'
> make: *** [Makefile:172: world] Error 2
This seems to suggest the compiler used is not behaving as Xen expects. 
Would you mind to give more details on the compiler used?
> Can someone help me? Its really possible to install Xen on Raspberry Pi 4?
You may want to have a look at 
https://github.com/dornerworks/xen-rpi4-builder.
Cheers,

--
Julien Grall

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