Re: [PATCH] Make bootsector stub 16-bit-only (i386)

[Alexander van Heukelum <heukelum@mailshack.com>]

On Wed, May 09, 2007 at 08:04:07AM +0800, Antonino A. Daplas wrote:
> On Tue, 2007-05-08 at 20:32 +0200, Alexander van Heukelum wrote:
> > diff --git a/arch/i386/boot/bootsect.S b/arch/i386/boot/bootsect.S
> > diff --git a/arch/i386/boot/video.S b/arch/i386/boot/video.S
> > index 8143c95..8e404cb 100644
> > --- a/arch/i386/boot/video.S
> > +++ b/arch/i386/boot/video.S
> > @@ -95,7 +95,8 @@ #define PARAM_VESAPM_SEG	0x2e
> >  #define PARAM_VESAPM_OFF	0x30
> >  #define PARAM_LFB_PAGES		0x32
> >  #define PARAM_VESA_ATTRIB	0x34
> > -#define PARAM_CAPABILITIES	0x36
> > +#define PARAM_VESA_PAD		0x36
> > +#define PARAM_CAPABILITIES	0x38
> >  
> >  /* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
> >  #ifdef CONFIG_VIDEO_RETAIN
> > diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
> > index b02308e..0a2e892 100644
> > --- a/include/linux/screen_info.h
> > +++ b/include/linux/screen_info.h
> > @@ -41,8 +41,8 @@ struct screen_info {
> >  	u16 vesapm_off;		/* 0x30 */
> >  	u16 pages;		/* 0x32 */
> >  	u16 vesa_attributes;	/* 0x34 */
> > -	u32 capabilities;       /* 0x36 */
> > -				/* 0x3a -- 0x3b reserved for future expansion */
> > +	u16 vesa_pad;		/* 0x36 */
> > +	u32 capabilities;       /* 0x38 */
> >  				/* 0x3c -- 0x3f micro stack for relocatable kernels */
> >  };
> >  
> 
> You would also need this minor change.
> 
> Tony
> 
> diff --git a/arch/i386/boot/video.S b/arch/i386/boot/video.S
> index 5e2280c..2d637d1 100644
> --- a/arch/i386/boot/video.S
> +++ b/arch/i386/boot/video.S
> @@ -95,7 +95,7 @@ #define PARAM_VESAPM_SEG      0x2e
>  #define PARAM_VESAPM_OFF       0x30
>  #define PARAM_LFB_PAGES                0x32
>  #define PARAM_VESA_ATTRIB      0x34
> -#define PARAM_CAPABILITIES     0x36
> +#define PARAM_CAPABILITIES     0x38
>  
>  /* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
>  #ifdef CONFIG_VIDEO_RETAIN

Hi!

I'm making coffee now. I just don't see what I missed? Maybe you were
led astray by the new PARAM_VESA_PAD I added?

Greetings,
	Alexander
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