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[ipfire-2.x.git] / src / patches / grub-0.93-graphics-bootterm.patch

--- grub-0.93/stage2/builtins.c.bootterm	2002-12-29 02:01:50.000000000 -0500
+++ grub-0.93/stage2/builtins.c	2002-12-29 02:01:07.000000000 -0500
@@ -233,12 +233,22 @@
 static int
 boot_func (char *arg, int flags)
 {
+  struct term_entry *prev_term = current_term;
   /* Clear the int15 handler if we can boot the kernel successfully.
      This assumes that the boot code never fails only if KERNEL_TYPE is
      not KERNEL_TYPE_NONE. Is this assumption is bad?  */
   if (kernel_type != KERNEL_TYPE_NONE)
     unset_int15_handler ();
 
+  /* if our terminal needed initialization, we should shut it down
+   * before booting the kernel, but we want to save what it was so
+   * we can come back if needed */
+  if (current_term->shutdown) 
+    {
+      (*current_term->shutdown)();
+      current_term = term_table; /* assumption: console is first */
+    }
+
 #ifdef SUPPORT_NETBOOT
   /* Shut down the networking.  */
   cleanup_net ();
@@ -302,6 +312,13 @@
       return 1;
     }
 
+  /* if we get back here, we should go back to what our term was before */
+  current_term = prev_term;
+  if (current_term->startup)
+      /* if our terminal fails to initialize, fall back to console since
+       * it should always work */
+      if ((*current_term->startup)() == 0)
+          current_term = term_table; /* we know that console is first */
   return 0;
 }