From: elf@florence.buici.com
To: Fabrice Gautier <gautier@email.enst.fr>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] Re: Patch for x86 bootstrap
Date: Wed, 25 Apr 2001 10:05:00 -0000 [thread overview]
Message-ID: <20010425100530.C14495@buici.com> (raw)
In-Reply-To: <20010425145100.8732.GAUTIER@email.enst.fr>
If the patch was made a while ago, where is it?
I changed to code so that the problem you describe is no longer
relevent. In fact, there are a couple of bugs in the loader that I
fixed. For example, the loader only works when loading to addresses <
64K.
On Wed, Apr 25, 2001 at 02:56:56PM +0200, Fabrice Gautier wrote:
>
> On Tue, 24 Apr 2001 19:17:59 -0700
> elf@florence.buici.com wrote:
>
> > I made a patch to the platform.inc code so that the x86 gdb stub can
> > boot from a device with geometry other than the default floppy
> > geometry. It also changes the handling of the _start address such
> > that a) it can be aligned on any byte boundary, and b) it can be over
> > 64k--for what it's worth.
> >
> > < ftp://ftp.buici.com/pub/ecos/bootstrap >
>
> I just want to point at this note your patch is deleting:
>
> - /* destination pointer es:bx */
> - /* With correct alignement, bx should be 0 and es should be a multiple
> - * of 32. If not it may cause the "buffer cross 64k boundary" problem
> - * (cf above)
> - */
>
>
> We patched this code loader about six month ago in order to avoid this
> problem for floppy. I hope you did notice the problem and that it is not
> reintroduced by your patch.
> (I've not read your patch enough nor tested anything...)
>
> Good work anyway, and good to see someone working with the x86 platform...
>
> Regards,
>
> --
> Fabrice Gautier <gautier@email.enstfr>
next prev parent reply other threads:[~2001-04-25 10:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-24 19:18 [ECOS] " elf
2001-04-25 5:57 ` [ECOS] " Fabrice Gautier
2001-04-25 10:05 ` elf [this message]
2001-04-25 11:55 ` Fabrice Gautier
2001-04-25 12:25 ` elf
2001-04-25 15:42 ` Fabrice Gautier
2001-04-25 19:36 ` elf
[not found] ` <3AE710BB.568594BA@redhat.com>
[not found] ` <20010425110343.A14879@buici.com>
[not found] ` <3AE71269.3AA0AE00@redhat.com>
[not found] ` <20010425113613.A15225@buici.com>
[not found] ` <3AE71CD4.B4A4641D@redhat.com>
2001-04-25 12:23 ` elf
2001-04-25 13:34 ` Jonathan Larmour
[not found] ` <20010425192444.A17131@buici.com>
2001-04-25 20:11 ` Jonathan Larmour
2001-04-25 23:36 ` elf
2001-04-26 10:55 ` Jonathan Larmour
2001-04-26 11:21 ` elf
2001-04-27 1:29 ` Robin Farine
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