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#!/bin/sh
cmdl=`cat /proc/cmdline`
#cmdl="console=ttySA0,115200 console=ttySB0,115200"
if expr "$cmdl" : '.*mtdparts=ipaq' > /dev/null; then
echo "!!!!!!!!"
echo "Detected Compaq bootldr or derivative"
echo "Kernel command line is assumed to be bogus and ignored"
echo "!!!!!!!!"
CMDLINE=" "
sleep 3
fi
# The main trouble is the bogus console=ttySA0 passed by bootldr
# It appears that kernel doesn't have protection against only invalid
# consoles being passed on the command line, which means that the
# kernel is deaf and dumb when booted by bootldr
INVALID_CONSOLE=0
VALID_CONSOLE=0
for arg in $cmdl; do
optarg=`expr "x$arg" : 'x[^=]*=\(.*\)'`
case $arg in
console=*)
if expr "$optarg" : 'ttySA[0-9]\+' > /dev/null; then
INVALID_CONSOLE=1
elif expr "$optarg" : 'ttyS\?[0-9]\+' > /dev/null; then
VALID_CONSOLE=1
fi
;;
esac
done
if [ $INVALID_CONSOLE -eq 1 -a $VALID_CONSOLE -eq 0 ]; then
echo "!!!!!!!!"
echo "No valid system console is detected"
echo "Explicitly using /dev/tty0 for input/output"
echo "!!!!!!!!"
CONSOLE="/dev/tty0"
fi
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