diff options
Diffstat (limited to 'qemu/roms/u-boot/tools/netconsole')
-rwxr-xr-x | qemu/roms/u-boot/tools/netconsole | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/tools/netconsole b/qemu/roms/u-boot/tools/netconsole new file mode 100755 index 000000000..1a0ef2224 --- /dev/null +++ b/qemu/roms/u-boot/tools/netconsole @@ -0,0 +1,63 @@ +#!/bin/sh + +usage() { + ( + echo "Usage: $0 <board-IP> [board-port [board-in-port]]" + echo "" + echo "If port is not specified, '6666' will be used" + [ -z "$*" ] && exit 0 + echo "" + echo "ERROR: $*" + exit 1 + ) 1>&2 + exit $? +} + +while [ -n "$1" ] ; do + case $1 in + -h|--help) usage;; + --) break;; + -*) usage "Invalid option $1";; + *) break;; + esac + shift +done + +ip=$1 +board_out_port=${2:-6666} +board_in_port=${3:-${board_out_port}} + +echo Board out port: ${board_out_port} +echo Board in port: ${board_in_port} + +if [ -z "${ip}" ] || [ -n "$4" ] ; then + usage "Invalid number of arguments" +fi + +for nc in netcat nc ; do + type ${nc} >/dev/null 2>&1 && break +done + +trap "stty icanon echo intr ^C" 0 2 3 5 10 13 15 +echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T" + +stty -icanon -echo intr ^T +( +if type ncb 2>/dev/null ; then + # see if ncb is in $PATH + exec ncb ${board_out_port} + +elif [ -x ${0%/*}/ncb ] ; then + # maybe it's in the same dir as the netconsole script + exec ${0%/*}/ncb ${board_out_port} + +else + # blah, just use regular netcat + while ${nc} -u -l -p ${board_out_port} < /dev/null ; do + : + done +fi +) & +pid=$! +${nc} -u ${ip} ${board_in_port} +kill ${pid} 2>/dev/null |