From: Jamie Lokier <jamie@shareable.org>
To: qemu-devel@nongnu.org
Cc: "René Rebe" <rene@exactcode.de>
Subject: Re: [Qemu-devel] [PATCH] Add multi-boot kernel loading support
Date: Tue, 3 Feb 2009 10:53:39 +0000 [thread overview]
Message-ID: <20090203105339.GC11926@shareable.org> (raw)
In-Reply-To: <D84C730F-64D3-48FA-A467-256583B9803C@suse.de>
Alexander Graf wrote:
> >>--- elf_ops.h (revision 6501)
> >>+++ elf_ops.h (working copy)
> >>@@ -195,6 +195,10 @@
> >> }
> >>
> >> if (ELF_MACHINE != ehdr.e_machine)
> >>+#if (ELF_MACHINE == EM_X86_64) && !defined(CONFIG_USER_ONLY)
> >>+ /* x86_64 systems can run i386 code as well */
> >>+ if(ehdr.e_machine != EM_386)
> >>+#endif
> >> goto fail;
> >>
> >> if (pentry)
> >
> >Seems like an unrelated fix.
>
> Actually it's not. If you want to load a 32-bit elf (multiboot)
> executable on an x86_64 system, you need this patch.
Why CONFIG_USER_ONLY?
Does it mean qemu-x86_64 (the user one) will behave differently given
a 32-bit ELF file if you built qemu-system-x86_64 at the same time?
-- Jamie
next prev parent reply other threads:[~2009-02-03 10:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-02 18:08 [Qemu-devel] [PATCH] Add multi-boot kernel loading support Rene Rebe
2009-02-02 18:15 ` Nathan Froyd
2009-02-02 18:17 ` Alexander Graf
2009-02-02 18:25 ` Nathan Froyd
2009-02-02 22:42 ` Anthony Liguori
2009-02-03 8:15 ` Rene Rebe
2009-02-03 8:23 ` Alexander Graf
2009-02-03 8:27 ` Rene Rebe
2009-02-03 8:25 ` Alexander Graf
2009-02-03 8:29 ` Rene Rebe
2009-02-03 10:53 ` Jamie Lokier [this message]
2009-02-03 11:12 ` Alexander Graf
2009-02-03 12:58 ` Kevin Wolf
2009-02-03 13:57 ` Rene Rebe
2009-02-03 14:31 ` Kevin Wolf
2009-02-04 10:36 ` Rene Rebe
2009-02-04 13:05 ` Kevin Wolf
2009-02-03 13:01 ` Paul Brook
2009-02-03 14:00 ` Rene Rebe
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