linux-kernel - Re: Removing architectures without upstream gcc support

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Message-ID: <b4d9a9c9-f05d-4981-b03b-02ced665254e@roeck-us.net>
Date:   Fri, 23 Feb 2018 20:04:48 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Adam Borowski <kilobyte@...band.pl>,
        James Bottomley <James.Bottomley@...senPartnership.com>
Cc:     Al Viro <viro@...IV.linux.org.uk>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Richard Kuo <rkuo@...eaurora.org>,
        linux-hexagon@...r.kernel.org, Chen Liqin <liqin.linux@...il.com>,
        Lennox Wu <lennox.wu@...il.com>,
        Guan Xuetao <gxt@...c.pku.edu.cn>,
        James Hogan <jhogan@...nel.org>, linux-metag@...r.kernel.org,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        openrisc@...ts.librecores.org, David Howells <dhowells@...hat.com>
Subject: Re: Removing architectures without upstream gcc support

On 02/23/2018 01:34 PM, Adam Borowski wrote:
> On Fri, Feb 23, 2018 at 02:32:08PM -0500, James Bottomley wrote:
>> On Fri, 2018-02-23 at 18:19 +0000, Al Viro wrote:
>> [...]
>>> IIRC, parisc/qemu stuff had been announced a while ago;
>>
>> I have, but it didn't work sufficiently for me to either boot a kernel
>> using system emulation or start an architecture container using user
>> emulation.  I'll try again now that qemu has gone through several
>> revisions.
> 
> Doesn't seem to work.  Debian package (1:2.11+dfsg-1) ships hppa support but
> it doesn't even install binfmt; otherwise, -user is functional enough for a
> minimal executable (so arch-test reports it as working[1]), but not for
> anything libc:
> 
> [/srv/chroots/hppa]# chroot . /usr/bin/qemu-hppa-static /bin/true
> qemu-hppa-static: /build/qemu-v8TF72/qemu-2.11+dfsg/target/hppa/translate.c:422: nullify_end: Assertion `status != DISAS_NORETURN && status != DISAS_IAQ_N_UPDATED' failed.
> Segmentation fault
> 
> This looks bad enough that I didn't even look at qemu-system.
> 

qemu-system-hppa support was added to qemu end of January. It seems to boot fine,
only I lost my ability to build a root file system :-( so it may take a bit
for me to create one.

Guenter