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Re: [Qemu-devel] [PATCH v3 0/7] Add aarch64_be-linux-user target
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH v3 0/7] Add aarch64_be-linux-user target |
Date: |
Mon, 8 Jan 2018 12:06:31 +0000 |
On 20 December 2017 at 21:23, Michael Weiser <address@hidden> wrote:
> Hello,
>
> below patches add support for big-endian aarch64 to linux-user. Almost
> everything is already in place. The patches just set up the CPU flags as
> required for big-endianness, add a distinction in uname and make sure the
> instructions for the signal trampoline end up in memory little-endian.
> Finally, configure is extended to allow building of a
> aarch64_be-linux-user target and scripts/qemu-binfmt-conf.sh to include
> the binfmt magic for aarch64_be ELF files.
>
> While at it, scripts/qemu-binfmt-conf.sh is changed again to separate
> arm/aarch64 targets of differing endianness into separate families so
> that the binfmt handler for the respective other endianness is indeed
> registered. Also, while not strictly relevant to aarch64 support, armeb
> is actually added to the list of targets, binfmt handlers should
> registered for.
>
> With this I am able to run individual aarch64_be binaries as well as
> chroot into a full-blown aarch64_be userland using binfmt_misc, running
> and compiling things (Gentoo crossdev/native).
>
> v3:
> - drop changes to aarch64 host support from configure
> - add binfmt arm CPU family separation
> - add armeb to binfmt handler targets
>
> v2:
> - add binfmt magic to qemu-binfmt-conf.sh
> - fix style problems (tab indenting)
Thanks for this patchset -- I have applied it to target-arm.next.
-- PMM
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