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Re: [Qemu-devel] [PATCH] Make the ELF loader aware of backwards compati
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From: |
Blue Swirl |
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Subject: |
Re: [Qemu-devel] [PATCH] Make the ELF loader aware of backwards compatibility |
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Date: |
Sat, 28 Feb 2009 17:30:35 +0200 |
On 2/28/09, Alexander Graf <address@hidden> 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.