[PATCH 6/7] defaultenv-2: add net boot support with kernel and oftree via nfs

[Jean-Christophe PLAGNIOL-VILLARD]

This also support the bootp.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 defaultenv-2/base/boot/nfs |   74 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 defaultenv-2/base/boot/nfs

diff --git a/defaultenv-2/base/boot/nfs b/defaultenv-2/base/boot/nfs
new file mode 100644
index 0000000..248f975
--- /dev/null
+++ b/defaultenv-2/base/boot/nfs
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+if [ "$1" = menu ]; then
+	boot-menu-add-entry "$0" "network (nfs, nfs)"
+	exit
+fi
+
+path="/mnt/tftp"
+
+# to get the dhcp info (global.dhcp.rootpath, global.dhcp.bootfile, global.dhcp.oftree_file)
+ifup eth0
+
+global.bootm.image="${path}/${global.user}-linux-${global.hostname}"
+#global.bootm.oftree="${path}/${global.user}-oftree-${global.hostname}"
+
+if [ -n "${global.dhcp.rootpath}" ]; then
+	bootp=1
+	nfsroot="${global.dhcp.rootpath}"
+else
+	nfsroot="/home/${global.user}/nfsroot/${global.hostname}"
+fi
+
+dhcp_patch_base="/mnt/dhcp"
+if [ -d "${dhcp_patch_base}" ]; then
+	umount "${dhcp_patch_base}"
+else
+	mkdir "${dhcp_patch_base}"
+fi
+
+if [ -n "${global.dhcp.bootfile}" ]; then
+	bootp=1
+	path="${dhcp_patch_base}/bootfile"
+
+	if [ -d "${path}" ]; then
+		umount "${path}"
+	else
+		mkdir "${path}"
+	fi
+
+	dirname "${global.dhcp.bootfile}" mnt
+	basename "${global.dhcp.bootfile}" bootfile
+
+	mount -t nfs "${eth0.serverip}:${mnt}" "${path}"
+
+	global.bootm.image="${path}/${bootfile}"
+fi
+
+if [ -n "${global.dhcp.oftree_file}" ]; then
+	bootp=1
+	path="${dhcp_patch_base}/oftree_file"
+
+	if [ -d "${path}" ]; then
+		umount "${path}"
+	else
+		mkdir "${path}"
+	fi
+
+	dirname "${global.dhcp.oftree_file}" mnt
+	basename "${global.dhcp.oftree_file}" bootfile
+
+	mount -t nfs "${eth0.serverip}:${mnt}" "${path}"
+
+	global.bootm.oftree="${path}/${bootfile}"
+fi
+
+if [ x${bootp} = x1 ]; then
+	echo "Boot via bootp/dhcp on server ${eth0.serverip}"
+	[ -n "${global.dhcp.bootfile}" ] && echo "bootm.image => ${global.dhcp.bootfile}"
+	[ -n "${global.dhcp.oftree_file}" ] && echo "bootm.oftree => ${global.dhcp.oftree_file}"
+	[ -n "${global.dhcp.rootpath}" ] && echo "nfsroot => ${global.dhcp.rootpath}"
+fi
+
+bootargs-ip
+bootargs-root-nfs -n "$nfsroot"
-- 
1.7.10.4