grub template: added UEFI shells and UEFI firmware settings

grub_template.cfg

@@ -65,3 +65,23 @@ menuentry "Show bootflags" {
     cat "/bootflags.txt"
     read
 }
+
+if [ ${grub_platform} == "efi" ]; then
+    menuentry "UEFI Shell v2" {
+        insmod fat
+        insmod chain
+        search --no-floppy --set=root --file /efi/shell/Shell_Full_v2.efi
+        chainloader /efi/shell/Shell_Full_v2.efi
+    }
+
+    menuentry "UEFI Shell v1" {
+        insmod fat
+        insmod chain
+        search --no-floppy --set=root --file /efi/shell/Shell_Full_v1.efi
+        chainloader /efi/shell/Shell_Full_v1.efi
+    }
+
+    menuentry "UEFI Firmware Settings" --id "uefi-firmware" {
+        fwsetup
+    }
+fi