boot(8): fix it
This commit is contained in:
cinap_lenrek
parent
3029059953
commit
1b1fac3874
11 changed files with 111 additions and 415 deletions
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@ -16,7 +16,3 @@ $BOOTFILES: $BOOTDIR/boot.h
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%.$O: $BOOTDIR/%.c
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$CC -I$BOOTDIR $CFLAGS $BOOTDIR/$stem.c
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tread: tread.c
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$CC tread.c
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$LD -o tread tread.8
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@ -13,15 +13,10 @@ mtcp = (configtcp connecttcp)
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mtab = (mlocal mtcp)
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config=1
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connect=2
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bootargs=()
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. /rc/lib/conf.rc
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. /rc/lib/menu.rc
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. /rc/lib/local.rc
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. /rc/lib/tcp.rc
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cputype=`{cat '#e'/cputype}
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fn fatal {
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echo $*
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exit $"*
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@ -31,74 +26,66 @@ fn must {
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$* || fatal $"*^': '^$status
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}
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fn devinit{
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bind -qa '#c' /dev
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bind -qa '#S' /dev
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bind -qa '#f' /dev
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bind -qa '#k' /dev
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bind -qa '#æ' /dev
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}
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fn usbinit{
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if(test -e '#u'){
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bind -a '#u' /dev
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usb/usbd
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fn ask {
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echo -n $1
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echo -n $2
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if(! ~ $#3 0){
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echo -n ' ['
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echo -n $3
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echo -n '] '
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}
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}
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fn kbmap{
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if(! ~ $#kbmap 0){
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bind -a '#κ' /dev
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cat $kbmap > /dev/kbmap
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$1=`{read}
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if(~ $#$1 0)
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$1=$3
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if(~ $"$1 '!rc'){
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rc -i
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$1=()
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}
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if(~ $#$1 0)
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ask $*
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}
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fn readmethod{
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echo
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echo Storage devices
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for(i in /dev/sd[A-Z][0-9]*){
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echo -n local!^$i' '
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echo `{sed 's/inquiry[ ]+//g; q' $i/ctl}\
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partitions: `{cat $i/ctl | grep part | awk '{print $2}'}
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}
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found=0
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while(~ $found 0){
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timeo=5
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resp=()
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while(~ $#resp 0){
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echo -n 'root is from: '
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resp=`{tread $timeo}
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if(! ~ $status ''){
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bootconf # set configuration from file
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if(! ~ $#nobootprompt 0)
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bootargs=$nobootprompt
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resp=$bootargs
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}
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if(~ $resp !rc)
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rc -i
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timeo=0
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if(~ $#nobootprompt 0){
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echo
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showlocaldevs
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ask bootargs ' are? (tcp, local!device)' $"bootargs
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}
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method=`{echo $resp | awk -F! '{print $1}'}
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NF=`{echo $resp | awk -F! '{print NF}'}
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if not {
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bootargs=$nobootprompt
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nobootprompt=()
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}
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method=`{echo $bootargs | awk -F! '{print $1}'}
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NF=`{echo $bootargs | awk -F! '{print NF}'}
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for(i in `{seq 1 $#mtab}){
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if(~ $mtab($i) m^$method)
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found = $i
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found=$i
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}
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if(~ $found 0){
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if(~ $found 0)
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echo method $method not found
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}
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}
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methodarg = `{echo $resp | sed 's/^[A-Za-z]+!(.*)$/\1/'}
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methodarg = `{echo $bootargs | awk -F! '{print $2}'}
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mp = $$mtab($found)
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}
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fn authentication{
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fn main{
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rm -f /srv/boot
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readmethod
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$mp($config) $methodarg
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switch($method){
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case local
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islocal=1
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case hybrid
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ishybrid=1
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}
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# authentication agent
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if(! test -f /srv/factotum){
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x=(auth/factotum -sfactotum)
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x=(/boot/factotum -sfactotum)
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if(~ $cpuflag 1)
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x=($x -kS)
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if not
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@ -109,38 +96,20 @@ fn authentication{
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x=($x -p)
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must $x
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}
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}
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fn swapproc{
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if(test -x '#c'/swap)
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echo -n start > '#c'/swap
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}
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fn main{
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readmethod
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$mp($config)
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switch($method){
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case local
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islocal=1
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case hybrid
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ishybrid=1
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}
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# authentication agent
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authentication
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# connect to the root file system
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$mp($connect)
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$mp($connect) $methodarg
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# mount root filesystem
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must mount -c /srv/boot /root
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swapproc
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# start pager
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if(test -x /dev/swap)
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echo -n start >/dev/swap
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# remove part of our temporary root
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unmount /$cputype/bin /bin
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/mnt/broot/$cputype/bin/unmount /$cputype/bin /bin
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/mnt/broot/$cputype/bin/unmount /rc/bin /bin
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/mnt/broot/$cputype/bin/unmount /boot /bin
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/mnt/broot/$cputype/bin/unmount /
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# create the name space, mount the root fs
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@ -165,12 +134,26 @@ fn main{
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bind -q '#p' /proc
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devinit
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usbinit # set up usb keyboard, mouse, and disk, if any
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kbmap
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bind -qa '#S' /dev
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bind -qa '#f' /dev
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bind -qa '#k' /dev
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bind -qa '#æ' /dev
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if(test -e '#u'){
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bind -a '#u' /dev
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usb/usbd
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sleep 1
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}
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if(! ~ $#kbmap 0){
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bind -a '#κ' /dev
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if(test -r $"kbmap)
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cat $"kbmap >/dev/kbmap
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}
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configlocal # add partitions and binds
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while(){
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@{rfork n; main}
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while()@{
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rfork n
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main
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}
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@ -1,49 +0,0 @@
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#!/bin/rc
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mounted=0
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found=0
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fn confmount{
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part=`{echo $1 | sed 's!^.*/!!g; s!''$!!g'}
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switch($part){
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case dos
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mprog=dossrv
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case 9fat
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mprog=dossrv
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case fd?disk
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mprog=dossrv
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case data
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mprog=9660srv
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case *
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mprog=0
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mounted=0
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}
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if(! ~ $mprog 0){
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$mprog -f $1 conf >/dev/null >[2=1]
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mount /srv/conf /mnt/conf
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mounted=1
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}
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}
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fn findconf{
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for(d in /dev/sd*)
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for(p in `{ls $d}){
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if(~ $found 0){
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confmount $p
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if(test -e /mnt/conf/plan9.ini)
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found=1
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if(test $mounted -eq 1 -a $found -eq 0){
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unmount /mnt/conf
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rm /srv/conf
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}
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}
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}
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}
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fn bootconf{
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findconf
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if(~ $found 1)
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parseconf
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}
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@ -1,23 +1,39 @@
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#!/bin/rc
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fn configlocal{
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disk=`{echo $methodarg | sed 's,(.*)!.*,\1,g'}
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fstype=`{echo $disk | sed 's,.*/(.*)$,\1,g'}
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disk=`{echo $disk | sed 's,(.*)/.*$,\1,'}
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fn showlocaldevs{
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echo local devices found:
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for(c in /dev/sd*/ctl){
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d=`{echo $c | sed 's,/ctl,,g'}
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echo $d':' `{sed 's/inquiry[ ]+//g; q' $c}
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for(i in `{awk '/^part/{print $2}' $c})
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echo $d'/'$i
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echo
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}
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}
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fn configlocal{
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if(~ $pcload 1){
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kern=`{echo $* | sed 's,.*!(.*)$,\1,g'}
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# for now we only allow kernels in the same dev/part of $methodargs
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if(~ $#kern 0 || ! ~ $#bootfile 0)
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kern=`{echo $bootfile | sed 's,.*!(.*)$,\1,g'}
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}
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diskparts
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}
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fn connectlocal{
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rm -f /srv/boot
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switch($fstype){
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part=`{echo $* | sed 's,.*/([^ ]+),\1,g'}
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part=$part(1)
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switch($part){
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case kfs fs
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must disk/kfs -n boot -f $disk^/$fstype
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must disk/kfs -n boot -f $*
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case cwfs fscache fsworm w0 w1 w2 w3
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must cwfs64x -n boot -f $disk^/$fstype
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must cwfs64x -n boot -f $*
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case data
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must 9660srv -f $disk^/$fstype boot
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must 9660srv -f $* boot
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case *
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fatal unknown partition $fstype
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fatal unknown partition $part
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}
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}
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@ -1,134 +0,0 @@
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#!/bin/rc
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conffile=/mnt/conf/plan9.ini
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items=()
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fn menuitems{
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oifs=$ifs
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ifs='
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'
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# get menu items and save them in the form 'item\tstring'
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x=(`{awk -F'\n' '
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$0 ~ /\[menu\]/ {
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FS="[= ]"
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for(nitem=1;;nitem++){
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getline
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if(match($0, /\[/)) # if we entered a block, we are done
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break
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sub(/\,/, "") # remove comma
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if(match($0, /^#/)) # comments
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continue
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if(match($0, /^$/)) # empty line
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continue
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printf("%s\t\" %d. ", $2, nitem)
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for(i=3; i <= NF; i++)
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printf("%s ", $i)
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printf("\"\t\n")
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}
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}
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' $conffile})
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ifs=' '
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for(itemline in $x){
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# separate item from string
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item=`{echo $itemline(1)}
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# $menuitemtext holds the string for the item
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$item(1)^text=$item(2)
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items=($items $item(1))
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}
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if(! ~ $#items 0){
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echo 'Plan 9 Startup Menu:'
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echo '--------------------'
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}
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ifs=$oifs
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}
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# load block definitions
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fn menublock{
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for(i in `{
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awk -F'\n' -v item'='`{echo '['$1']' | sed 's/ //g'} '
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{
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# find menuitem block
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if(index($0, item)){
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for(;;){
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if(getline <= 0)
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break
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if(match($0, /\[/)) # entered a block, we are done
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break
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if(match($0, /^$/))
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continue
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# skip comments, quote kernel devices
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if(index($0, "#") == 1)
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continue
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else
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gsub("#", "''#''")
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printf("%s\n", $1)
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}
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}
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}' $conffile}){
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name=`{echo $i | awk -F'=' '{print $1}'}
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val=`{echo $i | awk -F'=' '{print $2}'}
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# a name beginning with * denotes
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# a kernel variable, save to #ec
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v0=`{echo $i | sed 's/(\*).*/\1/'}
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if(~ $v0 '*'){
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bind -bc '#ec' /env
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eval $name'='$val
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unmount '#ec' /env
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}
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if not
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eval $name'='$val
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}
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}
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fn freevars{
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for(i in `{
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awk -F'\n' '{
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if(match($0, /\[/)) # entered a block, we are done
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exit
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if(match($0, /^$/))
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exit
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# skip comments, quote kernel devices
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if(index($0, "#") == 1)
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exit
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else
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gsub("#", "''#''")
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printf("%s\n", $1)
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}' $conffile}){
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# a name beginning with * denotes
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# a kernel variable, save to #ec
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val=`{echo $i | sed 's/(\*).*/\1/'}
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if(~ $val '*'){
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bind -bc '#ec' /env
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eval $i
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unmount '#ec' /env
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}
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if not eval $i
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}
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}
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fn parseconf{
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opt=0
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if(test -f $conffile){
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freevars
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menuitems
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menublock 'common'
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if(! ~ $#items 0){
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while(test $opt -lt 1 || test $opt -gt $#items){
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for(item in $items)
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echo -n $`{echo $item^text} | sed 's/"//g'
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echo -n ' Selection: '
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opt=`{read}
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if(test $opt -ge 1 && test $opt -le $#items)
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menublock $items($opt)
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}
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}
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}
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}
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@ -1,61 +1,25 @@
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#!/bin/rc
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fn isvalidip{
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# TODO: more precise test
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if(! ~ $#1 0 && ! test `{echo $1 | sed '/[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/d'})
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echo -n
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}
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fn configtcp{
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# TODO:
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# should we accept a different mount point?
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# should we add more interfaces?
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# bind in an ip interface
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for(i in I l`{seq 0 3})
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bind -a '#'$i /net >/dev/null >[2=1]
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if(! test -x /bin/ip/ipconfig){
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echo no ipconfig
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exit noipconfig
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}
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ip/ipconfig # TODO: should receive args passed to boot(8)
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must ip/ipconfig -p $*
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# XXX: should configuration from file override the values from ipconfig(8)?
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if(~ $#fs 0){
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_fsip=`{grep fs /net/ndb | awk -F'=' '{print $2}' >/dev/null >[2=1]}
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if(! ~ $#_fsip 0 && `{isvalidip $_fsip})
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fsip=$_fsip
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}
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# if we didn't get a file and auth server from either
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# the configuration file or ipconfig(8), ask the user
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if(~ $#fsip 0){
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while(! isvalidip $fsip){
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echo -n 'filesystem IP address: '
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fsip=`{read}
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}
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}
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if(~ $#fs 0)
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fs=`{awk -F'=' '/fs=/{print $2; exit}' /net/ndb}
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if(~ $#auth 0)
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auth=`{awk -F'=' '/auth=/{print $2; exit}' /net/ndb}
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if(~ $#fs 0)
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ask fs ' ip is?' $"auth
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if(~ $#auth 0)
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ask auth ' ip is?' $"fs
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if(~ $#auth 0){
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_authip=`{grep auth /net/ndb | awk -F'=' '{print $2}' >/dev/null >[2=1]}
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if(! ~ $#_authip 0 && `{isvalidip $_authip})
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authip=_authip
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}
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if(~ $#authip 0){
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while(! isvalidip $authip){
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echo -n 'authentication server IP address: '
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authip=`{read}
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}
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}
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authaddr=tcp!$authip!567 # leave this for factotum(4)
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rm -f /env/_authip /env/_fsip
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fsaddr=tcp!$fs!564
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authaddr=tcp!$auth!567
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}
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fn connecttcp{
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srv -q tcp!$fsip!564 boot
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srv -q $"fsaddr boot
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}
|
||||
|
|
|
|||
|
|
@ -1,73 +0,0 @@
|
|||
#include <u.h>
|
||||
#include <libc.h>
|
||||
|
||||
int c;
|
||||
|
||||
int
|
||||
alarmed(void *a, char *msg)
|
||||
{
|
||||
USED(a);
|
||||
USED(msg);
|
||||
if(!c)
|
||||
exits("timedout");
|
||||
noted(NCONT);
|
||||
return 1;
|
||||
}
|
||||
|
||||
void
|
||||
readline(int fd, char *buf, int nbuf)
|
||||
{
|
||||
int i, n;
|
||||
|
||||
i = 0;
|
||||
while(i < nbuf-1){
|
||||
n = read(fd, &c, sizeof c);
|
||||
alarm(0);
|
||||
c &= 0xff;
|
||||
write(fd, &c, 1);
|
||||
if(n != 1 || c == '\04' || c == '\177'){
|
||||
i = 0;
|
||||
break;
|
||||
} else if(c == '\n')
|
||||
break;
|
||||
else if(c == '\b' && i > 0)
|
||||
--i;
|
||||
else if(c == ('u' & 037)){
|
||||
c = '\b';
|
||||
for(n=0; n <= i; n++)
|
||||
write(fd, &c, 1);
|
||||
i = 0;
|
||||
} else
|
||||
buf[i++] = c;
|
||||
}
|
||||
buf[i] = 0;
|
||||
}
|
||||
|
||||
void
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
int fd, ctl, i;
|
||||
char buf[256];
|
||||
long n;
|
||||
|
||||
if(argc < 2)
|
||||
sysfatal("usage: tread timeout");
|
||||
|
||||
atnotify(alarmed, 1);
|
||||
|
||||
fd = open("/dev/cons", ORDWR);
|
||||
if(fd < 0)
|
||||
sysfatal("open cons: %r");
|
||||
ctl = open("/dev/consctl", OWRITE);
|
||||
if(ctl < 0)
|
||||
sysfatal("open consctl: %r");
|
||||
|
||||
write(ctl, "rawon", 5);
|
||||
alarm(atoi(argv[1])*1000);
|
||||
|
||||
readline(fd, buf, sizeof(buf));
|
||||
close(ctl);
|
||||
close(fd);
|
||||
print("%s", buf);
|
||||
exits(nil);
|
||||
}
|
||||
|
|
@ -132,4 +132,5 @@ bootdir
|
|||
bootpcf.out boot
|
||||
/386/bin/bzfs
|
||||
/386/bin/mntgen
|
||||
/386/bin/auth/factotum
|
||||
rootfs.bz2
|
||||
|
|
|
|||
|
|
@ -1,8 +1,6 @@
|
|||
$cputype
|
||||
bin
|
||||
9660srv
|
||||
auth
|
||||
factotum
|
||||
awk
|
||||
bind
|
||||
bzfs
|
||||
|
|
@ -28,9 +26,9 @@ $cputype
|
|||
rm
|
||||
sed
|
||||
seq
|
||||
sleep
|
||||
srv
|
||||
test
|
||||
tread 555 sys sys ../boot/tread
|
||||
unmount
|
||||
usb
|
||||
usbd
|
||||
|
|
@ -38,12 +36,9 @@ $cputype
|
|||
rc
|
||||
lib
|
||||
rcmain
|
||||
conf.rc 555 sys sys ../boot/conf.rc
|
||||
local.rc 555 sys sys ../boot/local.rc
|
||||
menu.rc 555 sys sys ../boot/menu.rc
|
||||
tcp.rc 555 sys sys ../boot/tcp.rc
|
||||
bin
|
||||
diskparts
|
||||
bootrc 555 sys sys ../boot/bootrc
|
||||
tmp
|
||||
|
||||
|
|
|
|||
|
|
@ -33,11 +33,6 @@ fn rootbz2 {
|
|||
rm boot.bz2
|
||||
}
|
||||
|
||||
@{cd ../boot
|
||||
. /$cputype/mkfile
|
||||
mk -f bootmkfile tread
|
||||
}
|
||||
|
||||
bootraw
|
||||
bootbz2
|
||||
rootbz2
|
||||
|
|
|
|||
|
|
@ -128,7 +128,9 @@ configure(void *f, char *path)
|
|||
Clear:
|
||||
kern = 0;
|
||||
inblock = 0;
|
||||
p = (char*)((CONFADDR + 64) & ~0xF0000000UL);
|
||||
p = (char*)(CONFADDR & ~0xF0000000UL);
|
||||
memset(p, 0, 0xE00);
|
||||
p += 64;
|
||||
Loop:
|
||||
while((n = readline(f, line)) > 0){
|
||||
if(*line == 0 || strchr("#;=", *line))
|
||||
|
|
|
|||
Loading…
Reference in a new issue