Re: Savannah task 5878 - port user_gdt

[Barry deFreese]

----- Original Message ----- 
From: "Samuel Thibault" <samuel.thibault@ens-lyon.org>
To: "Barry deFreese" <bddebian@comcast.net>
Cc: <bug-hurd@gnu.org>
Sent: Monday, October 30, 2006 3:54 AM
Subject: Re: Savannah task 5878 - port user_gdt


> Hi,
>
> Barry deFreese, le Sun 29 Oct 2006 22:30:12 -0500, a écrit :
> > I finally think I have the i386_{get,set}_gdt stuff from oskit ported 
> > into
> > the gnumach branch.  I haven't tested the gdt functionality but it does
> > build and boot.
>
> Great!
> See my comments below.
>
> diff -Nurp gnumach-1-10292006.org/i386/i386/gdt.h 
> gnumach-1-10292006/gnumach/i386/i386/gdt.h
> --- gnumach-1-10292006.org/i386/i386/gdt.h 2006-10-29 18:26:18.000000000 
> +0000
> +++ gnumach-1-10292006/gnumach/i386/i386/gdt.h 2006-10-29 
> 19:49:34.000000000 +0000
> @@ -59,7 +59,9 @@
>     to allocate */
> #define GDTSZ           0x300           /* size of gdt table */
> #else   /* PS2 */
> -#define GDTSZ 11
> +#define USER_GDT 0x48
> +#define GDTSZ (0x80/8)
> +#define USER_GDT_SLOTS 2
> #endif  /* PS2 */
>
>
> As I told you on irc, GDTS should be increased to 13, (because it was 11
> and we're adding 2 slots), not 0x80/8 (which makes 16).
>
> Else it looks fine.  This of course needs a few tests before committing.
>
> Samuel

OK, I'm trying to do some testing and not having much luck.  However, I also 
noticed that i386_{get,set}_gdt is not getting in mach_i386.h.  What am I 
missing there?  Do I need to do some MiG magic to get it from mach_i386.defs 
to mach_i386.h?

Thanks!

Barry deFreese (aka bddebian)