updating cwfs and moving installer in /rc/bin

1 files changed, 125 insertions, 0 deletions

diff --git a/rc/bin/inst/bootsetup b/rc/bin/inst/bootsetup
new file mode 100755
index 000000000..cc22fe6ee
--- /dev/null
+++ b/rc/bin/inst/bootsetup
@@ -0,0 +1,125 @@
+#!/bin/rc
+
+# desc: create a boot floppy or configure hard disk to boot plan 9
+# prereq: copydist
+
+switch($1) {
+case go
+	echo
+	echo 'Initializing Plan 9 FAT configuration partition (9fat)'
+	echo
+	
+	fat=(/dev/sd*/9fat)
+	fat=$fat(1)
+	disk=`{echo $fat | sed 's:/dev/::;s:/9fat::'}
+	bootfs=`{echo $fs | sed 's:/dev/(sd..)/(.*):\1!\2:'}
+	bootfat=`{echo $fs | sed 's:/dev/(sd..)/(.*):\1!9fat:'}
+	if(! test -f /dev/$disk/9fat) {
+		echo 'You have no 9fat partition.  Can''t setup booting.'
+		exit
+	}
+
+	if(! test -f /tmp/plan9.ini) {
+		{
+			sfs=`{echo $fs | sed 's;/dev;#S;'}
+			if(~ $fstype fossil fossil+venti){
+				echo bootfile'='$bootfat!9pcf
+				echo 'bootargs=local!'^$sfs
+				echo 'bootdisk=local!'^$sfs
+			}
+			if not {
+				echo bootfile'='$bootfs!/386/9pcdisk
+				echo 'bootdisk=local!'^$sfs
+			}
+			if(~ $fstype fossil+venti){
+				venti=`{echo $ventiarena | sed 's;/dev;#S;'}
+				echo venti'='^$venti
+			}
+			# sort -u avoids dups which could otherwise trigger
+			# pointless boot menus.
+			grep -v '(^\[)|menuitem|adisk|bootfile|bootdisk|bootargs|nobootprompt|mouseport|vgasize|monitor|cdboot' /tmp/plan9.orig |
+				sort -u
+			echo 'mouseport='^$mouseport
+			echo 'monitor='^$monitor
+			echo 'vgasize='^$vgasize
+		} >/tmp/plan9.ini
+	}
+	if(! test -f /tmp/plan9ini.bak)
+		cp /tmp/plan9.ini /tmp/plan9ini.bak
+
+	need9fatformat=no
+	if(! isfat /dev/$disk/9fat)
+		need9fatformat=yes
+	if not if(! mount -c /srv/dos /n/9fat /dev/$disk/9fat >[2]/dev/null)
+		need9fatformat=yes
+	if not if(! test -f /n/9fat/plan9.ini)
+		need9fatformat=yes
+
+	if (test -e  /n/newfs/386/9loadnousb)
+		bind /n/newfs/386/9loadnousb /n/newfs/386/9load	# cater to old bioses
+	if(~ $need9fatformat yes){
+		log Initializing Plan 9 FAT partition.
+		disk/format -r 2 -d -b /386/pbs \
+			/dev/$disk/9fat /n/newfs/386/9load
+		# silently install pbslba if the partition is way into the disk.
+		# it''s our only hope.  only need this for >8.5GB into the disk.
+		# but...
+		# there are so few non-LBA bioses out
+		# there anymore that we'll do this even if we're only 2GB into
+		# the disk.  it's just not worth the headaches of dealing with
+		# crappy bioses that don't address the whole 8.5GB properly
+
+		9fatoffset=`{grep '^part 9fat ' /dev/$disk/ctl | awk '{print $4}'}
+		if(! ~ $#9fatoffset 1) {
+			echo 'could not find plan 9 partition.'
+			echo 'cannot happen'
+			exit bad
+		}
+		if(test $9fatoffset -gt 2097152)	# 2GB
+			disk/format -b /386/pbslba /dev/$disk/9fat
+
+		mount -c /srv/dos /n/9fat /dev/$disk/9fat
+	}
+
+	if(! test -f /n/9fat/4e){
+		logprog cp /n/newfs/386/9load /n/9fat/9load
+		logprog cp /n/newfs/386/9pcf /n/9fat/9pcf
+		if(test -f /n/9fat/plan9.ini && ! test -f /n/9fat/plan9-3e.ini)
+			logprog mv /n/9fat/plan9.ini /n/9fat/plan9-3e.ini
+		if(test -f /n/9fat/9pcdisk && ! test -f /n/9fat/9pc3e)
+			logprog mv /n/9fat/9pcdisk /n/9fat/9pc3e
+
+		awk -f /bin/inst/mkini.awk >/n/9fat/plan9.ini
+		>/n/9fat/4e
+	}
+
+	echo
+	echo 'There are myriad ways to boot a Plan 9 system.'
+	echo 'You can use any of the following.'
+	echo
+	echo '  floppy - create a boot floppy'
+	echo '  plan9  - make the plan 9 disk partition the default for booting'
+	echo '  win9x  - add a plan 9 option to windows 9x boot menu'
+	echo '  winnt  - add a plan 9 option to windows nt/2000/xp boot manager'
+	echo
+	echo 'If you are upgrading an extant third edition installation and booting'
+	echo 'from something other than a floppy, you needn''t run anything here.'
+	echo 'Just type ctl-d.'
+
+	oldbootsetup=$didbootsetup
+	didbootsetup=1
+	export didbootsetup
+	prompt 'Enable boot method' floppy plan9 win9x winnt
+	
+	if(! boot$rd){
+		didbootsetup=$oldbootsetup
+		export didbootsetup
+	}
+
+case checkdone
+	xxxfat=(/dev/sd*/9fat)
+	if(! isfat $xxxfat(1) || ! ~ $didbootsetup 1){
+		bootsetup=ready
+		export bootsetup
+	}
+}