Add shell related routines documentation

xtldr/shell.c

@@ -9,6 +9,13 @@
 #include <xtldr.h>
 
 
+/**
+ * Starts XTLDR shell.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
 XTCDECL
 VOID
 BlStartLoaderShell()
@@ -21,6 +28,13 @@ BlStartLoaderShell()
     for(;;);
 }
 
+/**
+ * Prints XTLDR shell prompt.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
 XTCDECL
 VOID
 BlpPrintShellPrompt()