Re: [Qemu-devel] [PATCH 3/3] MusicPal: Add specific -hold-button option

[Paul Brook]

> MusicPal's U-Boot is able to start in a special mode (firmware recovery)
> in case one of the control buttons is pressed during power-up. As with
> QEMU, there is no chance to achieve this by hand (except for
> artificially delaying the power-up with sleep()), this patch adds a
> MusicPal-specific command line option -hold-button. The option takes
> button codes and simulates those buttons as pressed on power-up.

There's no reason why this should be limited to the musicpal.  Better would be 
to implement it in the input layer and have to work with all machines.

Paul