Hello Duhuan (?), On 8/29/19 6:53 PM, duhuanpeng wrote: > Hello, I boot my barebox by barebox from tftpserver. I poweroff my > switcher. and barebox began to print > - - - - > Booting entry 'net' > T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T IP 192.168.1.88 is not reachable > - - - - > I try to hit ctrl-c and some other keys. but I can't stop it printing 'T'. > so I added some piece of code to test it > > fs/tftp.c > static int tftp_poll(struct file_priv *priv) > { > + > + if(tstc()) { > + printf("%s", __func__); > + putchar(getchar()); > + } > + > if (ctrlc()) { > > net/net.c > > void net_poll(void) > { > + if(tstc()) { > + printf("%s", __func__); > + putchar(getchar()); > + } > + > > > net/eth.c > > static int __eth_rx(struct eth_device *edev) > { > int ret; > > + if(tstc()) { > + putchar(getchar()); > + printf("|-_-|"); > + } > + > - - - - - - - - > the result: > > Booting entry 'net' > T net_pollknet_polljnet_pollknet_polljk|-_-|net_polljT n|-_-|net_pollkj|-_-|net_pollsnet_pollknet_pollfnet_pollanet_polljT |-_-|net_poll|-_-||-_-|net_pollnet_ > pollT T T T T net_pollfnet_pollfT net_pollff|-_-|f|-_-|net_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfT f|-_-|net_polldnet_pollfnet_pollsnet_p > olldnet_pollkf|-_-|net_polljnet_pollknet_pollsnet_polljd|-_-|net_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljT net_polljnet_polljnet_polljnet_p > olljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljnet_polljj|-_-|net_polljT T T T T T T T net_pollfnet_po > llfnet_pollfT net_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollfnet_pollff|-_-|T net_pollfnet_polldnet_polldd|-_-|d|-_ > -|T T T T T T T T T T T T T T T T T T T IP 192.168.1.88 is not reachable > > I found it the routine (tftp_poll) didn't catch the key input. > mostly the input is catched by net_poll(). > could anyone help to move the ctrlc() dection into the right place? "startup: allow ctrl+c abort during boot sequence" on the barebox next branch should fix this for you. Cheers Ahmad > > duhuanpeng. > > > > > > > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox