[ipxe-devel] serial arrow keys broken

Michael Brown mcb30 at ipxe.org
Thu Mar 27 14:46:42 GMT 2014

On 27/03/14 08:36, Peter Pickford wrote:
> The arrow keys would not work in my ipxe serial console.
> The following seems to fix it but causes a busy wait while reading
> escape sequences.
> <snip>

Arrow keys over serial works for me.  Could you try the attached 
(untested) patch, which preserves the cpu_nap() while changing the 
ordering of events such that a keypress arriving during the cpu_nap() 
will be detected even if the timeout has expired?


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