plan9fox/sys/src/9/boot/local.rc

#!/bin/rc

cddevs=()

# fill cddevs with cd or dvd devices
fn findcds{
	for(dev in /dev/sd*){
		x=`{sed '/([Cc][Dd]|[Dd][Vv][Dd])/!d' $dev/ctl >[2]/dev/null}
		if(! ~ $#x 0)
			cddevs=($cddevs $dev)
	}
}

fn configlocal{
	disk=`{echo $methodarg | sed 's,(.*)!.*,\1,g'}
	fstype=`{echo $disk | sed 's,.*/(.*)$,\1,g'}
	disk=`{echo $disk | sed 's,(.*)/.*$,\1,'}

	if(~ $pcload 1){
		kern=`{echo $methodarg | sed 's,.*!(.*)$,\1,g'}

		# for now we only allow kernels in the same dev/part of $methodargs
		if(~ $#kern 0 || ! ~ $#bootfile 0)
			kern=`{echo $bootfile | sed 's,.*!(.*)$,\1,g'}
	}

	bind -a '#c' /dev >/dev/null >[2=1] 
	bind '#p' /proc >[2=1] >/dev/null >[2=1]  
	bind -a '#S' /dev >/dev/null >[2=1] 
	bind -a '#f' /dev >/dev/null >[2=1] 
	bind -a '#k' /dev >/dev/null >[2=1] 
	bind -a '#æ' /dev >/dev/null >[2=1] 

	diskparts
	findcds
}

fn connectlocal{
	rm -f /srv/boot
	switch($fstype){
	case fs
		connectlocalkfs
	case fscache fsworm
		must cwfs64x -n boot -f $disk^/$fstype 
	case data
		# test for cd/dvd
		x=`{sed '/([Cc][Dd]|[Dd][Vv][Dd])/!d' $disk^/ctl}
		if(! ~ $#x 0)
			must 9660srv -f $disk^/$fstype boot >/dev/null >[2=1]
	case *
		fatal unknown partition $fstype
	}
}