cpurc: remove obsolete device binds, run diskparts after $sysname is known. remove /env/boottime. document.

1 files changed, 18 insertions, 9 deletions

diff --git a/rc/bin/cpurc b/rc/bin/cpurc
index 1c533093a..a410d3dcb 100755
--- a/rc/bin/cpurc
+++ b/rc/bin/cpurc
@@ -1,10 +1,13 @@
 #!/bin/rc
 # this file is run if service=cpu
 
-date > /env/boottime
+# parallelism for mk
+NPROC=`{wc -l </dev/sysstat}
 
-for(i in m i P S t u '$')
+# bind all likely devices
+for(i in t S P '$')
 	bind -a '#'^$i /dev >/dev/null >[2=1]
+rm -f /env/i
 
 mount -qb /srv/cons /dev
 
@@ -23,22 +26,28 @@ unmount /mnt/temp
 # usb listener
 nusbrc
 
-# name translation, cs sets /dev/sysname
-ndb/cs
-sysname=`{cat /dev/sysname}
-
 # site-specific startup
 if(test -e /rc/bin/cpurc.local)
 	. /rc/bin/cpurc.local
 
-if (~ $#sysname 0 || ~ $sysname ''){
+# cs sets sysname (cpurc.local may already have started it so check)
+if(! test -e /srv/cs && ! test -e /net/cs)
+	ndb/cs
+sysname=`{cat /dev/sysname}
+if(~ $#sysname 0 || ~ $sysname ''){
 	sysname=cirno			# default
 	echo -n $sysname >/dev/sysname
 }
 prompt=($sysname^'# ' '	')
 
-# parallelism for mk
-NPROC=`{wc -l </dev/sysstat}
+# set up any partitions
+diskparts
+
+# start up local swapping
+disk=`{ls /dev/sd*/swap >[2]/dev/null}
+if (! ~ $#disk 0)
+	swap $disk(1) >/dev/null >[2=1]
+rm -f /env/disk
 
 # cpu-specific startup
 if(test -e /cfg/$sysname/cpurc)