[U-Boot] bootstopkey reason behind it

[Stefano Babic <sbabic@denx.de>]

On 02/08/2013 07:58, Paavaanan_T_N at Dell.com wrote:
> Hi,
> 
> To stop autoboot we have 2 ifdef  (CONFIG_AUTOBOOT_STOP_ [STR2 ||
> STR1] ). Which is very easy and straightforward to implement. Halting
> a boot with single "Keystroke" is having its own advantages to the
> user. But, why multiple key support is ignored say like [ctrl +
> anykey ] combination. Especially, BIOS vendors prefer at least
> simultaneous pressing of 2 or more keys to halt the boot. Any
> specific reasons to avoid this. Other than simplicity is there any
> specific reason to stick on this.
> 
> I mean why  simultaneous two key press support is avoided and
> implemented  a secondary bootstopkey to halt the boot say like
> CONFIG_AUTOBOOT_STOP_STR2.

But does not the keyboard send a single key code ? Maybe it is enough
you put in CONFIG_AUTOBOOT_STOP_STR1 the keycode of your CTRL+key.

Best regards,
Stefano Babic



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