X-Git-Url: http://git.ozlabs.org/?p=yaboot.git;a=blobdiff_plain;f=ybin%2Fofpath;h=387bf900659cd9570d271f5eeff84285223fe904;hp=19e9f565ec97d2607350e51fb030513586b845e8;hb=08532f2d438e244fb1d84dfa2c507ede37262162;hpb=2b3bb9db6a8c0b25e074e15a60aa259881440f03

diff --git a/ybin/ofpath b/ybin/ofpath
index 19e9f56..387bf90 100755
--- a/ybin/ofpath
+++ b/ybin/ofpath
@@ -3,7 +3,7 @@
 ###############################################################################
 ##
 ## ofpath: determine OpenFirmware path from unix device node
-## Copyright (C) 2000, 2001, 2002 Ethan Benson
+## Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
 ##
 ## Portions based on show_of_path.sh:
 ##
@@ -27,7 +27,7 @@
 
 PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
 PRG="${0##*/}"
-VERSION=1.0.3-DEVEL_DO_NOT_DISTRIBUTE-patch-37
+VERSION=1.0.4
 DEBUG=0
 export LC_COLLATE=C
 
@@ -39,7 +39,7 @@ echo \
 Written by Ethan Benson
 Portions based on show_of_path.sh written by Olaf Hering
 
-Copyright (C) 2000, 2001, 2002 Ethan Benson
+Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
 Portions Copyright (C) 2000 Olaf Hering
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -149,7 +149,7 @@ if (command -v readlink > /dev/null 2>&1) ; then
 else
     readlink()
     {
-        local SYMTARGET="$(v=`ls -l "$2" 2>/dev/null` ; echo ${v##*> })"
+        local SYMTARGET="$(v=`ls -l "$1" 2>/dev/null` ; echo ${v##*> })"
         if [ -n "$SYMTARGET" ] ; then
             echo "$SYMTARGET"
             return 0
@@ -313,6 +313,7 @@ ide_ofpath()
 	    "PowerMac3,6")
 		local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
 		if [ -z "$CDROM" ] ; then
+		    echo 1>&2 "$PRG: WARNING: Your kernel is too old for proper support, device may be innaccurate."
 		    echo "ultra2:$PARTITION"
 		else
 		    echo "cd:$PARTITION"
@@ -332,19 +333,44 @@ ide_ofpath()
 		;;
 	esac
     else
-	local DEVSPEC="$OF1275IDE"
+	local DEVSPEC="$(cat $OF1275IDE)"
 	[ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVSPEC=$DEVSPEC"
 	if [ -z "$DEVSPEC" ] ; then
 	    echo 1>&2 "$PRG: KERNEL BUG: $OF1275IDE exists, but is empty"
 	    return 1
 	fi
+
+	if [ ! -f "/proc/ide/${IDEBUS}/channel" ] ; then
+	    echo 1>&2 "$PRG: KERNEL BUG: /proc/ide/${IDEBUS}/channel does not exist"
+	    return 1
+	fi
+
+	case "$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)" in
+	    ide|ata)
+		local MASTER="/disk@0"
+		local SLAVE="/disk@1"
+		;;
+	    pci-ide|pci-ata)
+		local MASTER="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@0"
+		local SLAVE="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@1"
+		;;
+	    scsi) ## some lame controllers pretend they are scsi, hopefully all kludges are created equal.
+		local MASTER="/$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 0)),0"
+		local SLAVE="/$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 1)),0"
+		;;
+	    *)
+		echo 2>&1 "$PRG: Unsupported IDE device type: \"$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)\""
+		return 1
+		;;
+	esac
+
 	case "$DEVNODE" in
-	    hda|hdc|hde|hdg|hdi)
-		echo "${DEVSPEC}/disk@0:$PARTITION"
+	    hda|hdc|hde|hdg|hdi|hdk|hdm|hdo)
+		echo "${DEVSPEC}${MASTER}:$PARTITION"
 		return 0
 		;;
-	    hdb|hdd|hdf|hdh|hdj)
-		echo "${DEVSPEC}/disk@1:$PARTITION"
+	    hdb|hdd|hdf|hdh|hdj|hdl|hdn|hdp)
+		echo "${DEVSPEC}${SLAVE}:$PARTITION"
 		return 0
 		;;
 	    *)