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Change to use some unused bits in the 'type' field to extend the unit field

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to 9 bits (512 units) for disk devices.
This commit is contained in:
David Greenman 1997-01-24 22:00:35 +00:00
parent c2f69d249e
commit ac9e2a2511
2 changed files with 12 additions and 12 deletions
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12
etc/MAKEDEV
View File

@ -134,7 +134,7 @@ dkitos() {
# Convert disk (type, unit, slice, partition) to minor number
dkminor()
{
echo $((32 * 65536 * $1 + 8 * $2 + 65536 * $3 + $4))
echo $((512 * 65536 * $1 + $2 / 32 * 2097152 + $2 % 32 * 8 + 65536 * $3 + $4))
}
# Convert the last character of a tty name to a minor number.
@ -260,7 +260,7 @@ od*s*|sd*s*|vn*s*|wd*s*)
slice=`expr $i : '..[0-9]*s\([0-9]*\)'`
part=`expr $i : '..[0-9]*s[0-9]*\(.*\)'`
case $unit in
[0-9]|[1-2][0-9]|30|31)
[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
case $slice in
[0-9]|[1-2][0-9]|30)
oldslice=$slice
@ -420,7 +420,7 @@ od*|sd*|vn*|wd*)
esac
unit=`expr $i : '..\(.*\)'`
case $unit in
[0-9]|[1-2][0-9]|30|31)
[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
for slicepartname in s0h s1 s2 s3 s4
do
sh MAKEDEV $name$unit$slicepartname
@ -428,7 +428,7 @@ od*|sd*|vn*|wd*)
case $name in
od|sd)
rm -f r${name}${unit}.ctl
mknod r${name}${unit}.ctl c $chr `expr $unit '*' 8 + $scsictl `
mknod r${name}${unit}.ctl c $chr `expr $unit / 32 '*' 2097152 + $unit % 32 '*' 8 + $scsictl `
chmod 600 r${name}${unit}.ctl
;;
esac
@ -446,9 +446,9 @@ ccd*)
blk=21; chr=74
unit=`expr $i : '...\(.*\)'`
case $unit in
[0-9]|[1-2][0-9]|30|31)
[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
rm -f r${name}${unit}.ctl
mknod r${name}${unit}.ctl c $chr `expr $unit '*' 8 + $scsictl `
mknod r${name}${unit}.ctl c $chr `expr $unit / 32 '*' 2097152 + $unit % 32 '*' 8 + $scsictl `
chmod 600 r${name}${unit}.ctl
for part in 0 1 2 3 4 5 6 7
do

12
etc/etc.i386/MAKEDEV
View File

@ -134,7 +134,7 @@ dkitos() {
# Convert disk (type, unit, slice, partition) to minor number
dkminor()
{
echo $((32 * 65536 * $1 + 8 * $2 + 65536 * $3 + $4))
echo $((512 * 65536 * $1 + $2 / 32 * 2097152 + $2 % 32 * 8 + 65536 * $3 + $4))
}
# Convert the last character of a tty name to a minor number.
@ -260,7 +260,7 @@ od*s*|sd*s*|vn*s*|wd*s*)
slice=`expr $i : '..[0-9]*s\([0-9]*\)'`
part=`expr $i : '..[0-9]*s[0-9]*\(.*\)'`
case $unit in
[0-9]|[1-2][0-9]|30|31)
[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
case $slice in
[0-9]|[1-2][0-9]|30)
oldslice=$slice
@ -420,7 +420,7 @@ od*|sd*|vn*|wd*)
esac
unit=`expr $i : '..\(.*\)'`
case $unit in
[0-9]|[1-2][0-9]|30|31)
[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
for slicepartname in s0h s1 s2 s3 s4
do
sh MAKEDEV $name$unit$slicepartname
@ -428,7 +428,7 @@ od*|sd*|vn*|wd*)
case $name in
od|sd)
rm -f r${name}${unit}.ctl
mknod r${name}${unit}.ctl c $chr `expr $unit '*' 8 + $scsictl `
mknod r${name}${unit}.ctl c $chr `expr $unit / 32 '*' 2097152 + $unit % 32 '*' 8 + $scsictl `
chmod 600 r${name}${unit}.ctl
;;
esac
@ -446,9 +446,9 @@ ccd*)
blk=21; chr=74
unit=`expr $i : '...\(.*\)'`
case $unit in
[0-9]|[1-2][0-9]|30|31)
[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
rm -f r${name}${unit}.ctl
mknod r${name}${unit}.ctl c $chr `expr $unit '*' 8 + $scsictl `
mknod r${name}${unit}.ctl c $chr `expr $unit / 32 '*' 2097152 + $unit % 32 '*' 8 + $scsictl `
chmod 600 r${name}${unit}.ctl
for part in 0 1 2 3 4 5 6 7
do