Re: [PATCH for-7.1? 0/2] Re-enable ppc32 as a linux-user host

[Lucas Mateus Martins Araujo e Castro]

On 29/07/2022 17:44, Daniel Henrique Barboza wrote:

>       On 7/29/22 14:21, Richard Henderson wrote:
>       
> > This is, technically, a regression from
> >         6.2, so it's not
> >         
> >         implausible to apply before rc1.  Thoughts?
> >         
> >       
>       
>       
>       In gitlab #1097 the author comments that:
>       
>       
>       https://gitlab.com/qemu-project/qemu/-/issues/1097#note_1044810483
>       
>       
>       "there are several distributions still available on 32-bit
>       powerpc, e.g.
>       
>       Adélie Linux, for now still Void Linux, afaik Debian and OpenSUSE
>       also
>       
>       still build packages"
>       
>       
>       I checked these claims. Latest version OpenSuse LEAP doesn't
>       support
>       
>       ppc32 bits:
>       
>       
>       https://get.opensuse.org/leap/15.4/#download
>       
>       
>       The last Debian that supports ppc32 was Debian 8:
>       
>       
>       https://www.debian.org/ports/powerpc/#powerpc
>       
>       
>       "Debian on 32-bit PowerPC (powerpc)
>       
>       It first became an official release architecture with Debian
>       GNU/Linux 2.2
>       
>       (potato) and had retained that status until the publication of
>       Debian 9 (stretch).
>       
>       The last supported release for 32-bit PowerPC is Debian 8
>       (jessie)"
>       
>       
>       And Void Linux doesn't seem to support any PowerPC flavor:
>       
>       
>       https://voidlinux.org/download/
>       
>

The author is probably talking about Void Linux ppc as it seems it still support ppc

https://voidlinux-ppc.org/

>       
>       Adélie Linux supports ppc32. I can also add that FreeBSD also
>       supports ppc32.
>       
>       
>       Checking about/build-platforms.rst I can see that we would only
>       somewhat
>       
>       care for FreeBSD here, since Debian 8 is already out of our
>       support
>       
>       window.
>       
>       
>       All that said, I don't have strong feelings against re-enabling
>       it, specially
>       
>       because this build issue was deliberated caused by us.
>       
>       
>       However, after re-enabling it, I would only care about build bugs
>       that are
>       
>       reproduced on ppc32 FreeBSD.
>       
>       
>       
>       
>       Daniel
>       
>       
> >         
> >         
> >         r~
> >         
> >         
> >         
> >         Richard Henderson (2):
> >         
> >            common-user/host/ppc: Implement safe-syscall.inc.S
> >         
> >            linux-user: Implment host/ppc/host-signal.h
> >         
> >         
> >           linux-user/include/host/ppc/host-signal.h |  39 ++++++++
> >         
> >           common-user/host/ppc/safe-syscall.inc.S   | 107
> >         ++++++++++++++++++++++
> >         
> >           2 files changed, 146 insertions(+)
> >         
> >           create mode 100644 linux-user/include/host/ppc/host-signal.h
> >         
> >           create mode 100644 common-user/host/ppc/safe-syscall.inc.S
> >         
> >         
> >       
>       
>

--
Lucas Mateus M. Araujo e Castro
Instituto de Pesquisas ELDORADO
Departamento Computação Embarcada
Analista de Software Trainee
Aviso Legal - Disclaimer