:
# (C) 1989-1990 The Santa Cruz Operation, Inc. All Rights
# Reserved. The user has unlimited right to use, modify
# and incorporate this code into other products provided
# it is used with SCO products and the user includes
# this notice and the associated copyright notices with
# any such application.
# This script is for installing an LLI driver using netconfig
#
# The name it is called with will cause different operation.
# w9400, w9401, w9402, w9403 Winbond W89C940 board 0, 1, 2, 3
#
LIB=/usr/lib/lli
CONF=/etc/conf
PATH=/bin:/usr/bin:/etc/:$CONF/bin:$LIB
#
# Set possible return codes for this script
#
OK=0; FAIL=1; RELINK=2;
BRAM="0"
ERAM="0"
#
# Prompt the user for a hex value, it must be within a given range
# Usage:
# prompt_range "Message" default min max [step]
#
prompt_range() {
mesg=$1
default=$2
range_min=$3 range_max=$4
step="1"
if [ $# -eq 5 ]
then
step=$5
fi
while :
do
echo "${mesg} (${range_min}..${range_max}) [${default}] or 'q' to quit: \c"
read result
case $result in
Q|q)
return $FAIL
;;
"")
result=$default
;;
esac
hc $result $range_min $range_max $step
case $? in
0) return $OK;;
1) cleanup $FAIL;;
2) cleanup $FAIL;;
esac
done
}
#
# Prompt the user to make a selection a list of values
# Usage:
# prompt_select "Message" default "value_list"
prompt_select() {
mesg=$1
default=$2
values=$3
while :
do
if [ "$default" = "" ]
then
echo "${mesg} (${values}) or 'q' to quit: \c"
else
echo "${mesg} (${values}) [${default}] or 'q' to quit: \c"
fi
read result
case $result in
Q|q)
return $FAIL
;;
"")
result=$default
;;
esac
for i in $values
do
if [ "$i" = "$result" ]
then
return $OK
fi
done
echo "Illegal value, must be one of (${values})"
done
}
#
# prompt the user to answer a yes no question or 'q' to quit
# Usage:
# prompt_yn "Message" default
prompt_yn() {
mesg=$1
default=$2
while :
do
echo "${mesg} (y/n) [${default}] or 'q' to quit: \c"
read result
case $result in
q|Q) return $FAIL;;
y|Y) result="Y"; return $OK;;
n|N) result="N"; return $OK;;
"") result=`echo $default | tr "yn" "YN"`; return $OK;;
esac
echo "Illegal value, please type 'y' 'n' or 'q'"
done
}
#
# Fake up an mdevice and an sdevice for idcheck
# Do not remove $base if called with an argument...
#
makedevs() {
dir=`pwd`
rm -fr /tmp/dev$$
mkdir /tmp/dev$$
cd /etc/conf/cf.d
cp mdevice /tmp/dev$$
cd ../sdevice.d
cat * > /tmp/dev$$/sdevice
[ $1 ] && {
# remove driver being reconfigured from sdevice & mdevice files.
sed -e "/^$base/d" < /tmp/dev$$/sdevice > /tmp/bog$$
mv /tmp/bog$$ /tmp/dev$$/sdevice
sed -e "/^$base/d" < /tmp/dev$$/mdevice > /tmp/bog$$
mv /tmp/bog$$ /tmp/dev$$/mdevice
}
cd $dir
}
cleanup() {
cd /
rm -fr /tmp/dev$$
rm -fr /tmp/$base
exit $1
}
# Removes the given interrupt vector for the $clash device.
rmvector() {
clash=$1
vec=$2
cd $confdir
echo "\nRemoving interrupt vector $vec for the $clash device ..."
[ "$vec" = "2" ] && vec=9
major=`./configure -j $clash` && {
# remove device but leave it required
./configure -d -c -m $major -v $vec -Y >> conflog 2>&1 || {
cd $currdir
cleanup $FAIL
}
# remove required setting if no more left
if grep "Y" ../sdevice.d/$clash > /dev/null 2>&1
then
true
else
./configure -d -c -m $major -v $vec -R -Y >> conflog 2>&1 || {
cd $currdir
cleanup $FAIL
}
fi
}
cd $currdir
return $OK
}
# On unix, we must check the files in sdevice.d.
# Sets the variable $clash to the driver code name if there is a driver that
# has already been allocated the given vector. Uses awk.
dointclash() {
driver=$1
vec=$2
[ "$vec" = "2" ] && vec=9
cd $confdir/../sdevice.d
clash=`cat * | awk '{ if ( $6 == intr && $2 == "Y" ) exit } \
END { print $1 }' intr=$vec`
cd $currdir
[ "$clash" = "" -o "$clash" = "$driver" ] && return $FAIL
# found a clash
return $OK
}
checkvec() {
driver=$1
vector=$2
clash=
currdir=`pwd`
confdir=/etc/conf/cf.d
while dointclash $driver $vector
do
prompt_select "Interrupt vector $vector is already in use for the $clash device.\n\n\
The alternatives available to you are:\n\n\
\t1. Continue the installation and remove vector $vector for the $clash device.\n\
\t2. Select a different interrupt vector.\n\n\
Select an option" 1 "1 2" || {
cleanup $FAIL
}
case $result in
1) rmvector $clash $vector || {
echo "Failed to remove vector $vector"
cleanup $FAIL
}
makedevs
return $OK
;;
2) return $FAIL
;;
esac
done
return $OK
}
doaddrclash() {
driver=$1
addr1=$2
addr2=$3
cd $confdir
clash=`../bin/idcheck -ar -l $addr1 -u $addr2 -i /tmp/dev$$`
cd $currdir
[ "$clash" = "" -o "$clash" = "$driver" ] && return $FAIL
# found a clash
return $OK
}
# Removes the $clash device.
rmaddr() {
clash=$1
cd $confdir
echo "\nRemoving the $clash device ..."
major=`./configure -j $clash` && {
# remove device but leave it required
./configure -d -c -m $major -Y >> conflog 2>&1 || {
cd $currdir
cleanup $FAIL
}
# remove required setting if no more left
if grep "Y" ../sdevice.d/$clash > /dev/null 2>&1
then
true
else
./configure -d -c -m $major -R -Y >> conflog 2>&1 || {
cd $currdir
cleanup $FAIL
}
fi
}
cd $currdir
return $OK
}
checkaddr() {
driver=$1
addr1=$2
addr2=$3
clash=
currdir=`pwd`
confdir=/etc/conf/cf.d
while doaddrclash $driver $addr1 $addr2
do
if [ "$clash" = "ad" ]
then
echo "\n\nWARNING: Do not remove the $clash device \c"
echo "if you are using an Adaptec disk controller"
fi
prompt_select "Addresses $addr1-$addr2 are already in use by the $clash device.\n\n\
The alternatives available to you are:\n\n\
\t1. Continue the installation and remove the $clash device.\n\
\t2. Select a different address.\n\n\
Select an option" 1 "1 2" || {
cleanup $FAIL
}
case $result in
1) rmaddr $clash || {
echo "Failed to remove $clash device"
cleanup $FAIL
}
makedevs
return $OK
;;
2) return $FAIL
;;
esac
done
return $OK
}
doramclash() {
driver=$1
addr1=$2
addr2=$3
cd $confdir
clash=`../bin/idcheck -cr -l $addr1 -u $addr2 -i /tmp/dev$$`
cd $currdir
[ "$clash" = "" -o "$clash" = "$driver" ] && return $FAIL
# found a clash
return $OK
}
checkram() {
driver=$1
addr1=$2
addr2=$3
clash=
currdir=`pwd`
confdir=/etc/conf/cf.d
while doramclash $driver $addr1 $addr2
do
prompt_yn "
Ram addresses $addr1-$addr2 is already in use for the $clash device.
You must choose a unique address for this device to work.
Do you wish to choose another address now?" y || cleanup $FAIL
if [ "$result" = "Y" ]
then
return $FAIL
else
cleanup $FAIL
fi
done
return $OK
}
# On unix, we must check the lines in mdevice file.
# Sets the variable $clash to the driver code name if there is a driver that
# has already been allocated the given channel. Uses awk.
dodmaclash() {
driver=$1
chan=$2
clash=
# -1 is never a clash
[ "$chan" = "-1" ] && return $FAIL
cd $confdir
clash=`awk '{ if ( $1 != driver && $9 == dma ) print $1 }' dma=$chan driver=$driver mdevice`
cd $currdir
[ "$clash" = "" ] && return $FAIL
return $OK
}
#
# Check if there is a clash of DMA channels
#
checkdma() {
driver=$1
channel=$2
clash=
currdir=`pwd`
confdir=/etc/conf/cf.d
while dodmaclash $driver $channel
do
prompt_yn "
DMA channel ${channel} is already in use by the $clash device.
You must choose a unique channel for this device to work.
Do you wish to choose another channel now?" y || cleanup $FAIL
if [ "$result" = "Y" ]
then
return $FAIL
else
cleanup $FAIL
fi
done
return $OK
}
check_args() {
name=$1
bd=$2
case $name in
w940s3) echo ""
echo "Configuring Winbond W89C940 board $bd";
PREFIX="w940";
MAX_BD=3;
;;
*) echo "ERROR: Unknown LLI driver being configured ($name$bd)";
cleanup $FAIL;
;;
esac
if [ $bd -gt $MAX_BD ]
then
echo "ERROR: Only boards 0..$MAX_BD are supported by this driver";
cleanup $FAIL
fi
echo
}
#
# function to restore and remove address conflicts in the sio driver
#
sio_conflict() {
if [ "$BIO" = "$OBIO" ]
then
return $OK
fi
currdir=`pwd`
cd /etc/conf/pack.d/sio
grep "/* LLI {" space.c > /dev/null && {
echo "Restoring serial cards using base address 0x$OBIO into link kit..."
sed -e /"LLI.*$OBIO,/s/^\/\* LLI //" space.c >/tmp/bog$$
mv /tmp/bog$$ space.c
}
grep "(sd)0x$BIO" space.c > /dev/null && {
echo "Removing serial cards using base address 0x$BIO from link kit..."
[ ! -f space.c.rls ] && cp space.c space.c.rls
sed -e /"(sd)0x$BIO,/s/^{/\/* LLI {/p" space.c >/tmp/bog$$
mv /tmp/bog$$ space.c
}
cd $currdir
}
# restorevector check for sio (vecs 3-4) and pa drivers (vec 7)
# if these are being released by lli then let us restore them to sio or pa
restorevector() {
currdir=`pwd`
cd /etc/conf/cf.d
intvector=$1
test="0"
[ "$intvector" = "3" -o "$intvector" = "4" ] && {
prompt_yn "Restore vector $intvector to sio driver" y
[ "$result" = "Y" ] && {
echo "Restoring vector $intvector to sio driver"
siomajor=`./configure -j sio`
./configure -m $siomajor -c -v $intvector -a -Y
return $OK
}
}
[ "$intvector" = "7" ] && {
prompt_yn "Restore vector $intvector to pa driver" y
[ "$result" = "Y" ] && {
echo "Restoring vector $intvector to pa driver"
pamajor=`./configure -j pa`
./configure -m $pamajor -c -v $intvector -a -Y
return $OK
}
}
return $OK
}
#
# determine release, and AT or MCA bus - set rel and type variables accordingly.
#
os_type() {
rel=`sed -n 's/^#rel=\(.*\).$/\1/p' /etc/perms/inst`
if [ "$rel" = "3.2.0" -o "$rel" = "3.2.1" -o "$rel" = "3.2.2" ]
then
type=`sed -n 's/^#typ=\(.*\)$/\1/p' /etc/perms/inst`
else
# 3.2.4 - one release supports AT, MCA, and EISA.
uname -X | grep "BusType = MCA" >/dev/null 2>&1
if [ $? -eq 0 ]
then
type=386MC
else
type=386GT
fi
fi
}
#
system_w940s3() {
bd=$1
BIO=0
EIO=0
IRQ=0
NMINORS="1"
}
# addhex(a,b) : add two hexadecimal numbers using awk.
# a and b are ascii strings of digits and the letters a-f
# no known side-effects, but illegal characters act as 0 place holders.
addhex() {
echo "$1 $2" | nawk ' {
printf("%x", atoh($1) + atoh($2));
}
function atoh(number) {
i = 0
j = length(number)
result = 0
while ( i < j ) {
result = result + (hexval(substr(number,j - i,1)) * (16 ^ i))
i = i + 1
}
return result
}
function hexval(letter) {
if (letter == "a" || letter == "A") return 10 + 0
if (letter == "b" || letter == "B") return 11 + 0
if (letter == "c" || letter == "C") return 12 + 0
if (letter == "d" || letter == "D") return 13 + 0
if (letter == "e" || letter == "E") return 14 + 0
if (letter == "f" || letter == "F") return 15 + 0
return (letter + 0)
}'
}
#
# main()
#
#
# get the name of the init script being run, since one script
# is used for multiple drivers; get the number at the end of the
# script's name
#
if [ $# -gt 1 ]
then
name_below=$1; if_below=$2
name_above=$3; if_above=$4
configure=$5
fi
base=`basename $0`
drv=`echo $base | sed -e 's/[0-9]$//`
bd=`expr $base : '.*\(.\)'`
makedevs $OK
check_args $drv $bd
#
# verify the driver is in the kernel link-kit
#
idcheck -p $base -i /tmp/dev$$
if [ $? -le 16 ]
then
echo "Error: $base driver is not installed"
cleanup $FAIL
fi
echo "Reconfiguring the $drv driver"
cd /usr/lib/lli/$drv
makedevs
#
# create the temporary directory for installing the driver
#
cd /tmp; rm -rf $base
mkdir $base; cd $base
DMACHAN="-1"
MIN_UNITS=1
MAX_UNITS=256
# IPL=5
# TYPE=1
#
# set rel, type variables.
#
os_type
# get the interrupt vector & Base I/O address for the board that we are removing
currdir=`pwd`
cd /etc/conf/sdevice.d
ivec=`awk '{ if ( $1 != "*" ) print $6 }' < $base`
OBIO=`awk '{ if ( $1 != "*" ) print $7 }' < $base`
cd $currdir
#
# Do special board dependent processing
#
system_w940s3 $bd
echo
if [ "$IRQ" = "2" ]
then
IRQ=9
fi
NMINORS="1"
# echo "$base\tY\t$NMINORS\t$IPL\t$TYPE\t$IRQ\t$BIO\t$EIO\t0\t0" >./System
echo "$base\tY\t$NMINORS\t0\t0\t$IRQ\t$BIO\t$EIO\t0\t0" >./System
#
# All the drivers support more than one board. In fact all the code to
# support all the boards is in the Driver.o for the board for the 1st board
# (eg the e3A0 driver acually contains enough code for the e3A1, e3A2 & e3A3
# boards). As we need a Driver.o to be associated with 2nd, 3rd or 4th board
# we install a dummy Driver.o, and a Master and Node which will actually cause
# calls into the base driver.
#
if [ $bd -gt 0 ]
then
echo "$base - iScH $PREFIX$bd 0 0 1 256 -1" >./Master
echo "clone $base c $base" >./Node
idinstall -u -m -s -n -e -k $base
else
echo "$base I iScH $PREFIX 0 0 1 256 -1" >./Master
idinstall -u -m -s -e -k $base
fi
# delete any potential BASE I/O address conflicts with the sio driver
sio_conflict
if [ "$ivec" = "3" -o "$ivec" = "4" -o "$ivec" = "7" ]
then
[ ${ivec} != ${IRQ} ] && restorevector $ivec
fi
cleanup $RELINK
