Re: [ECOS] Re: Patch for x86 bootstrap

[elf at florence dot buici dot com]

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>