Re: [PATCH] Workaround for the keyboard hang problem in intel mac

[Robert Millan]

On Wed, May 07, 2008 at 01:12:08AM +0800, Bean wrote:
> Hi,
> 
> This patch fix the keyboard hang problem when using boot camp to load
> legacy system.
> 
> diff --git a/kern/i386/pc/startup.S b/kern/i386/pc/startup.S
> index 5d4bbcb..455233a 100644
> --- a/kern/i386/pc/startup.S
> +++ b/kern/i386/pc/startup.S
> @@ -1240,6 +1240,19 @@ FUNCTION(grub_console_getkey)
>       call    prot_to_real
>       .code16
> 
> +     pushfw
> +     sti
> +
> +1:
> +     movb    $1, %ah
> +     int     $0x16
> +     jnz     2f
> +     hlt
> +     jmp     1b
> +
> +2:
> +     popfw
> +     movb    $0, %ah

I think it'd be nice to have a comment there explaining why this is done.

-- 
Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call… if you are unable to speak?
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