add dual-boot / fwupdate for systems with grub-support

1 files changed, 50 insertions, 0 deletions

diff --git a/package/grub/files/grub-dual.cfg b/package/grub/files/grub-dual.cfg
new file mode 100644
index 000000000..bae2fa414
--- /dev/null
+++ b/package/grub/files/grub-dual.cfg
@@ -0,0 +1,50 @@
+if [ "x\${timeout}" != "x-1" ]; then
+  if keystatus; then
+    if keystatus --shift; then
+      set timeout=-1
+    else
+      set timeout=0
+    fi
+  else
+    if sleep --interruptible 2; then
+      set timeout=0
+    fi
+  fi
+fi
+
+if [ -s $prefix/grubenv ]; then
+  set have_grubenv=true
+  load_env
+fi
+if [ "${next_entry}" ] ; then
+   set default="${next_entry}"
+   set next_entry=
+   save_env next_entry
+   set boot_once=true
+else
+   set default="${saved_entry}"
+fi
+if [ "${prev_saved_entry}" ]; then
+  set saved_entry="${prev_saved_entry}"
+  save_env saved_entry
+  set prev_saved_entry=
+  save_env prev_saved_entry
+  set boot_once=true
+fi
+
+function savedefault {
+  if [ -z "${boot_once}" ]; then
+    saved_entry="${chosen}"
+    save_env saved_entry
+  fi
+}
+
+menuentry "OpenADK1" {
+  set root=(hd0,2)
+  linux (hd0,2)/kernel root=/dev/@@ROOTDEV@@2 rootfstype=ext4 rootwait panic=5
+}
+menuentry "OpenADK2" {
+  set root=(hd0,3)
+  linux (hd0,3)/kernel root=/dev/@@ROOTDEV@@3 rootfstype=ext4 rootwait panic=5
+}
+