1 files changed, 79 insertions, 0 deletions

diff --git a/meta-intel-extras/recipes/initrdscripts/initramfs-framework/rootfs b/meta-intel-extras/recipes/initrdscripts/initramfs-framework/rootfs
new file mode 100755
index 0000000..c93c9c2
--- /dev/null
+++ b/meta-intel-extras/recipes/initrdscripts/initramfs-framework/rootfs
@@ -0,0 +1,79 @@
+#!/bin/sh
+# Copyright (C) 2011 O.S. Systems Software LTDA.
+# Licensed on MIT
+
+rootfs_enabled() {
+    return 0
+}
+
+rootfs_run() {
+        if [ -z "$ROOTFS_DIR" ]; then
+            return
+        fi
+    C=0
+    delay=${bootparam_rootdelay:-1}
+    timeout=${bootparam_roottimeout:-5}
+    while [ ! -d $ROOTFS_DIR/dev ]; do
+        if [ $(( $C * $delay )) -gt $timeout ]; then
+            fatal "root '$bootparam_root' doesn't exist or does not contain a /dev."
+        fi
+
+        if [ -n "$bootparam_root" ]; then
+            debug "No e2fs compatible filesystem has been mounted, mounting $bootparam_root..."
+
+            if [ "`echo ${bootparam_root} | cut -c1-5`" = "UUID=" ]; then
+                root_uuid=`echo $bootparam_root | cut -c6-`
+                bootparam_root="/dev/disk/by-uuid/$root_uuid"
+            fi
+
+            if [ "`echo ${bootparam_root} | cut -c1-9`" = "PARTUUID=" ]; then
+                root_uuid=`echo $bootparam_root | cut -c10-`
+                bootparam_root="/dev/disk/by-partuuid/$root_uuid"
+            fi
+
+            if [ "`echo ${bootparam_root} | cut -c1-6`" = "LABEL=" ]; then
+                root_label=`echo $bootparam_root | cut -c7-`
+                bootparam_root="/dev/disk/by-label/$root_label"
+            fi
+
+            if [ "${bootparam_root}" = "/dev/nfs" ]; then
+                bootparam_rootfstype="nfs"
+                bootparam_root=`echo $bootparam_nfsroot | cut -f1 -d","`
+                bootparam_nfsopts=`echo $bootparam_nfsroot | cut -f2- -d","`
+            fi
+
+            if [ -e "$bootparam_root" ] || [ "${bootparam_rootfstype}" = "nfs" ]; then
+                flags=""
+                if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then
+                    if [  -n "$bootparam_rootflags" ]; then
+                        bootparam_rootflags="$bootparam_rootflags,"
+                    fi
+                    bootparam_rootflags="${bootparam_rootflags}ro"
+                fi
+                if [ -n "$bootparam_nfsopts" ]; then
+                    if [  -n "$bootparam_rootflags" ]; then
+                        bootparam_rootflags="$bootparam_rootflags,"
+                    fi
+                    bootparam_rootflags="${bootparam_rootflags}${bootparam_nfsopts}"
+                fi
+                if [ -n "$bootparam_rootflags" ]; then
+                    flags="$flags -o$bootparam_rootflags"
+                fi
+                if [ -n "$bootparam_rootfstype" ]; then
+                    flags="$flags -t$bootparam_rootfstype"
+                fi
+                mount $flags $bootparam_root $ROOTFS_DIR
+                if [ -d $ROOTFS_DIR/dev ]; then
+                    break
+                else
+                    # It is unlikely to change, but keep trying anyway.
+                    # Perhaps we pick a different device next time.
+                    umount $ROOTFS_DIR
+                    fi
+                fi
+        fi
+        debug "Sleeping for $delay second(s) to wait root to settle..."
+        sleep $delay
+        C=$(( $C + 1 ))
+    done
+}