From: Alexander Graf <alex@csgraf.de>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] [PATCH] Make the ELF loader aware of backwards compatibility
Date: Thu, 12 Mar 2009 00:32:24 +0100 [thread overview]
Message-ID: <278E7B05-94BB-41D0-9F2B-EEE35B9D8DD2@csgraf.de> (raw)
In-Reply-To: <f43fc5580902280730o47bc2286gef0e4245d24f03eb@mail.gmail.com>
On 28.02.2009, at 16:30, Blue Swirl wrote:
> On 2/28/09, Alexander Graf <agraf@suse.de> wrote:
>> Most 64 bit architectures I'm aware of support running 32 bit code
>> of the same architecture as well.
>
> For Sparc64 this is only true for userland, kernel level code is not
> compatible at all. Sparc64 kernel can run Sparc64 and Sparc32
> binaries, but a Sparc32 kernel will crash on Sparc64.
>
>> /* Load a 32 bit BIOS also on 64 bit machines */
>> -#if defined (TARGET_PPC64) && defined(CONFIG_USER_ONLY)
>> +#if defined (TARGET_PPC64)
>> #define ELF_MACHINE EM_PPC64
>> #else
>> #define ELF_MACHINE EM_PPC
>
> The comment should be removed with the hack.
I agree.
Any functional issues with this patch? -kernel for ppc64 still doesn't
work with current SVN :-).
Alex
next prev parent reply other threads:[~2009-03-11 23:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-28 15:03 [Qemu-devel] [PATCH] Make the ELF loader aware of backwards compatibility Alexander Graf
2009-02-28 15:30 ` Blue Swirl
2009-02-28 15:40 ` Andreas Färber
2009-02-28 15:58 ` Blue Swirl
2009-03-11 23:32 ` Alexander Graf [this message]
2009-03-13 17:32 ` Blue Swirl
2009-03-13 21:17 ` Blue Swirl
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