Re: [PATCH 0/5] Boot protocol changes

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From: Jeremy Fitzhardinge
Date: Tuesday, October 2, 2007 - 5:58 pm

H. Peter Anvin wrote:

It could, or just treat it as a raw binary at 1M+offset to skip the headers.


OK, but that has the same problem as making the payload an ELF file:
32-bit bootloaders which simply jump to 1M will be jumping into data
rather than code - and I got the impression from taking to Eric at KS
that there are such bootloaders.  

If that's not an issue, then I still think the payload should be a plain
ELF file (possibly self-decompressing, or just a plain uncompressed
vmlinux, if that's what's desired).  Still think making a protected-mode
bootloader do the decompression is the wrong way to go about this; ELF
is enough.

    J
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Messages in current thread:
[PATCH 0/5] Boot protocol changes, Rusty Russell, (Tue Oct 2, 4:34 pm)
[PATCH 1/5] update boot spec to 2.07, Rusty Russell, (Tue Oct 2, 4:35 pm)
[PATCH 2/5] add WEAK() for creating weak asm labels, Rusty Russell, (Tue Oct 2, 4:35 pm)
[PATCH 3/5] i386: paravirt boot sequence, Rusty Russell, (Tue Oct 2, 4:36 pm)
[PATCH 4/5] Revert lguest magic and use hook in head.S, Rusty Russell, (Tue Oct 2, 4:39 pm)
[PATCH 5/5] lguest: loading bzImage directly, Rusty Russell, (Tue Oct 2, 4:40 pm)
Re: [PATCH 0/5] Boot protocol changes, H. Peter Anvin, (Tue Oct 2, 4:44 pm)
Re: [PATCH 0/5] Boot protocol changes, Jeremy Fitzhardinge, (Tue Oct 2, 4:46 pm)
Re: [PATCH 0/5] Boot protocol changes, H. Peter Anvin, (Tue Oct 2, 4:53 pm)
Re: [PATCH 0/5] Boot protocol changes, Jeremy Fitzhardinge, (Tue Oct 2, 4:56 pm)
Re: [PATCH 0/5] Boot protocol changes, H. Peter Anvin, (Tue Oct 2, 5:43 pm)
Re: [PATCH 0/5] Boot protocol changes, H. Peter Anvin, (Tue Oct 2, 5:46 pm)
Re: [PATCH 0/5] Boot protocol changes, Jeremy Fitzhardinge, (Tue Oct 2, 5:58 pm)
Re: [PATCH 0/5] Boot protocol changes, H. Peter Anvin, (Tue Oct 2, 6:03 pm)
Re: [PATCH 5/5] lguest: loading bzImage directly, Chris Malley, (Wed Oct 3, 2:37 am)
Re: [PATCH 5/5] lguest: loading bzImage directly, H. Peter Anvin, (Wed Oct 3, 10:12 am)
Re: [PATCH 5/5] lguest: loading bzImage directly, Rusty Russell, (Wed Oct 3, 5:02 pm)
Re: [PATCH 5/5] lguest: loading bzImage directly, H. Peter Anvin, (Wed Oct 3, 5:26 pm)
Re: [PATCH 1/5] update boot spec to 2.07, rae l, (Mon Oct 29, 11:38 pm)
Re: [PATCH 5/5] lguest: loading bzImage directly, Kjartan Maraas, (Sat Nov 24, 2:54 pm)
Re: [PATCH 5/5] lguest: loading bzImage directly, H. Peter Anvin, (Sat Nov 24, 3:14 pm)
Re: [PATCH 5/5] lguest: loading bzImage directly, Kjartan Maraas, (Sun Nov 25, 5:32 am)