Add 2.6 kernel support to ofpath

[yaboot.git] / ybin / ofpath

diff --git a/ybin/ofpath b/ybin/ofpath
index a1d74ea03b367e28cb77d5f7b969dc49fff672c3..0625c387c6c25873fcd1e4f2ff0fc0b38a068a93 100755 (executable)
--- a/ybin/ofpath
+++ b/ybin/ofpath
@@ -27,7 +27,7 @@
 
 PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
 PRG="${0##*/}"
-VERSION=1.0.5
+VERSION=1.0.6-pre1
 DEBUG=0
 export LC_COLLATE=C
 
@@ -323,11 +323,32 @@ ide_ofpath()
        echo 1>&2 "$PRG: BUG: IDEBUS == NULL"
        return 1
     fi
-    local OF1275IDE="/proc/ide/$IDEBUS/devspec"
+
+    case "$(uname -r)" in
+       2.5.*|2.6.0*|2.6.1|2.6.1-*|2.6.2|2.6.2-*|2.6.3|2.6.3-*)
+           echo "$PRG: Linux kernel `uname -r` is not supported"
+           return 1
+           ;;
+       2.6.*|2.7.*)
+           if ! (grep -q ^sysfs /proc/mounts 2> /dev/null) ; then
+               echo 1>&2 "$PRG: sysfs must be mounted for ofpath to support this system"
+               return 1
+           fi
+           local SYS="$(m=`grep ^sysfs /proc/mounts | head -n 1` ; echo `d=${m#* };echo ${d%% *}`)"
+           if [ -z "$SYS" -o ! -d "$SYS" ] ; then
+               echo 2>&1 "$PRG: Unable to determine sysfs mountpoint"
+               return 1
+           fi
+           local OF1275IDE="${SYS}/block/${DEVNODE}/device/../../devspec"
+           ;;
+       *)
+           local OF1275IDE="/proc/ide/$IDEBUS/devspec"
+           ;;
+    esac
 
     if [ ! -f "$OF1275IDE" ] ; then
        case "$(cat /proc/device-tree/model)" in
-           "PowerMac3,6")
+           PowerMac3*|PowerMac4*|PowerMac5*|PowerMac6*|PowerMac7*|X*)
                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."