Add preliminary support for Windtunnel PowerMacs to ofpath
[yaboot.git] / ybin / ofpath
index dc6925fb3067d24816bc33085ec9b8bf9eec0e07..25dd1ce3df1b34ab0d9e8650cc06c23eb75edba1 100755 (executable)
@@ -27,7 +27,7 @@
 
 PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
 PRG="${0##*/}"
 
 PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
 PRG="${0##*/}"
-VERSION=1.0.2
+VERSION=1.0.3-DEVEL_DO_NOT_DISTRIBUTE-1
 DEBUG=0
 export LC_COLLATE=C
 
 DEBUG=0
 export LC_COLLATE=C
 
@@ -143,6 +143,22 @@ lgrep()
     return 0
 }
 
     return 0
 }
 
+## if readlink is missing use a kludge
+if (command -v readlink > /dev/null 2>&1) ; then
+    true
+else
+    readlink()
+    {
+        local SYMTARGET="$(v=`ls -l "$2" 2>/dev/null` ; echo ${v##*> })"
+        if [ -n "$SYMTARGET" ] ; then
+            echo "$SYMTARGET"
+            return 0
+        else
+            return 1
+        fi
+    }
+fi
+
 ## a function to print relevant scsi host path when there is more then
 ## one.  this function also takes care of stripping off the trailing
 ## /compatible.
 ## a function to print relevant scsi host path when there is more then
 ## one.  this function also takes care of stripping off the trailing
 ## /compatible.
@@ -278,6 +294,76 @@ scsi_ofpath()
     return 0
 }
 
     return 0
 }
 
+ide_ofpath()
+{
+    local OF1275IDE=/proc/ide/pmac
+
+    if [ ! -f "$OF1275IDE" ] ; then
+       case "$(cat /proc/device-tree/model)" in
+           "PowerMac3,6")
+               local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
+               if [ -z "$CDROM" ] ; then
+                   echo "ultra2:$PARTITION"
+               else
+                   echo "cd:$PARTITION"
+               fi
+               ;;
+           *)
+               if [ ! -L "/proc/ide/$DEVNODE" ] ; then
+                   echo "$PRG: /dev/$DEVNODE: Device not configured"
+                   return 1
+               fi
+               local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
+               if [ -z "$CDROM" ] ; then
+                   if [ "$DEVNODE" = hda ] ; then
+                       echo "hd:$PARTITION"
+                   else
+                       echo "ultra1:$PARTITION"
+                   fi
+               else
+                   echo "cd:$PARTITION"
+               fi
+               ;;
+       esac
+    else
+       if [ ! -L "/proc/ide/$DEVNODE" ] ; then
+           echo 2>&1 "$PRG: /dev/$DEVNODE: Device not configured"
+           return 1
+       fi
+
+       local IDEBUS="$(v=`readlink /proc/ide/$DEVNODE` ; echo ${v%%/*} )"
+       [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: IDEBUS=$IDEBUS"
+       local NUMBUSSES="$(($(linecount $OF1275IDE) / 5))"
+       [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: NUMBUSSES=$NUMBUSSES"
+       if [ "$((${IDEBUS##ide} + 1))" -gt "$NUMBUSSES" ] ; then
+           echo 1>&2 "$PRG: /dev/$DEVNODE is not supported"
+           return 1
+       fi
+       local IDEDEV="$(head -n $((5 * $((${IDEBUS##ide} + 1)))) $OF1275IDE | tail -n 5)"
+       [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: IDEDEV=$IDEDEV"
+       if [ "$(echo "$IDEDEV" | head -n 1)" != "$IDEBUS" ] ; then
+           echo "$PRG: /dev/$DEVNODE: is not supported"
+           return 1
+       fi
+       local DEVSPEC="$(v=`echo "$IDEDEV" | grep devspec` ; echo ${v##*:})"
+       [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVSPEC=$DEVSPEC"
+       case "$DEVNODE" in
+           hda|hdc|hde|hdg)
+               echo "${DEVSPEC}/disk@0:$PARTITION"
+               return 0
+               ;;
+           hdb|hdd|hdf|hdh)
+               echo "${DEVSPEC}/disk@1:$PARTITION"
+               return 0
+               ;;
+           *)
+               echo 1>&2 "$PRG: /dev/$DEVNODE is not supported"
+               return 1
+               ;;
+       esac
+    fi
+}
+
 ## figure out the OpenFirmware device path for newworld macs.
 ## sd* scsi disks , hd* ide disks.
 newworld()
 ## figure out the OpenFirmware device path for newworld macs.
 ## sd* scsi disks , hd* ide disks.
 newworld()
@@ -288,7 +374,7 @@ newworld()
                true
            else
                echo 1>&2 "$PRG: /proc/device-tree is broken.  Do not use BootX to boot, use yaboot."
                true
            else
                echo 1>&2 "$PRG: /proc/device-tree is broken.  Do not use BootX to boot, use yaboot."
-               echo 1>&2 "$PRG: The yaboot FAQ can be found here: http://www.alaska.net/~erbenson/doc"
+               echo 1>&2 "$PRG: The yaboot HOWTO can be found here: http://www.alaska.net/~erbenson/doc"
                return 1
            fi
 
                return 1
            fi
 
@@ -299,30 +385,8 @@ newworld()
            ## find the actual OF path. 
            scsi_ofpath || return 1
            ;;
            ## find the actual OF path. 
            scsi_ofpath || return 1
            ;;
-       hda*)
-           local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep hda)"
-           if [ -z "$CDROM" ] ; then
-               echo "hd:$PARTITION"
-           else
-               echo "cd:$PARTITION"
-           fi
-           ;;
-       hdb*)
-           local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep hdb)"
-           if [ -z "$CDROM" ] ; then
-               echo "ultra1:$PARTITION"
-           else
-               echo "cd:$PARTITION"
-           fi
-           ;;
        hd*)
        hd*)
-           local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
-           if [ -z "$CDROM" ] ; then
-               echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
-               return 1
-           else
-               echo "cd:$PARTITION"
-           fi
+           ide_ofpath || return 1
            ;;
        *)
            echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
            ;;
        *)
            echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"