[SeaBIOS] [PATCH 04/15] Report stdvga modes in VBE via int10 (AX = 4F00h)

[Christian Gmeiner]

Am 03.09.2012 18:07 schrieb "Christian Gmeiner" <christian.gmeiner at gmail.com
>:
>
> 2012/9/3 Kevin O'Connor <kevin at koconnor.net>:
> > On Sat, Sep 01, 2012 at 05:12:55PM +0200, Christian Gmeiner wrote:
> >> As all supported graphic adapters are supporting VGA we should
> >> list them in int10 (AX = 4F00h). Also clext.c and bochsvga.c
> >> are haveing a function named like is_XXX_mode() which checks
> >> if its a default VGA mode or a VESA mode. If its a normal VGA
> >> mode stdvga_set_mode() gets called.
> > [...]
> >>  void
> >>  stdvga_list_modes(u16 seg, u16 *dest, u16 *last)
> >>  {
> >> +    int i;
> >> +    for (i = 0; i < ARRAY_SIZE(vga_modes); i++) {
> >> +        struct stdvga_mode_s *stdmode_g = &vga_modes[i];
> >> +        u16 mode = GET_GLOBAL(stdmode_g->mode);
> >> +        if (mode == 0xffff)
> >> +            continue;
> >> +        SET_FARVAR(seg, *dest, mode);
> >> +        dest++;
> >> +    }
> >> +
> >>      SET_FARVAR(seg, *dest, 0xffff);
> >>  }
> >
> > This is a good idea.  However, I don't think vbe_104f01() will
> > correctly handle all the standard vga modes as it is coded today.
> >
>
> I will have a closer look at it during my following patches. If you want
you
> can skip this patch.
>

Maybe it would be better to use this patch and update vga_modes array to
reflect the modes we can do now.

> ---
> Christian Gmeiner, MSc
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