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




Em 24/03/2020 08:05, Julien Grall escreveu:


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?
ii  bcc                            0.16.17-3.3                          armhf        16-bit x86 C compiler
ii  device-tree-compiler           1.4.7-3+rpt1                         armhf        Device Tree Compiler for Flat Device Trees
ii  g++                            4:8.3.0-1+rpi2                       armhf        GNU C++ compiler
ii  g++-8                          8.3.0-6+rpi1                         armhf        GNU C++ compiler
ii  gcc                            4:8.3.0-1+rpi2                       armhf        GNU C compiler
ii  gcc-8                          8.3.0-6+rpi1                         armhf        GNU C compiler
ii  libllvm9:armhf                 1:9.0.1-6+rpi1~bpo10+1               armhf        Modular compiler and toolchain technologies, runtime library
ii  libluajit-5.1-2:armhf          2.1.0~beta3+dfsg-5.1                 armhf        Just in time compiler for Lua - library version
ii  libluajit-5.1-common           2.1.0~beta3+dfsg-5.1                 all          Just in time compiler for Lua - common files
ii  libxkbcommon0:armhf            0.8.2-1                              armhf        library interface to the XKB compiler - shared library
ii  luajit                         2.1.0~beta3+dfsg-5.1                 armhf        Just in time compiler for Lua programming language version 5.1
ii  ocaml-compiler-libs            4.05.0-11+rpi1                       armhf        OCaml interpreter and standard libraries



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.

I tried (I gave up on the slow and inconsistent download of gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz).

Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?, if so, maybe it was a good idea a how-to with dependencies, etc.

Cheers,

Thanks,
-- 
Marcos Renato da Silva Junior
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