package/boot/grub/no-menu-flicker.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   3 #
   4 # T2 SDE: package/.../grub/no-menu-flicker.patch
   5 # Copyright (C) 2011 The T2 SDE Project
   6 #
   7 # More information can be found in the files COPYING and README.
   8 #
   9 # This patch file is dual-licensed. It is available under the license the
  10 # patched project is licensed under, as long as it is an OpenSource license
  11 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  12 # of the GNU General Public License as published by the Free Software
  13 # Foundation; either version 2 of the License, or (at your option) any later
  14 # version.
  15 # --- T2-COPYRIGHT-NOTE-END ---
  16
  17 --- grub-0.97/stage2/stage2.c.vanilla   2011-01-13 18:01:24.012337848 +0000
  18 +++ grub-0.97/stage2/stage2.c 2011-01-13 18:01:24.012337848 +0000
  19 @@ -544,5 +544,12 @@
  20          }
  21
  22 +      /* If we count-down a timeout, poll for key, to avoid excessive redraw */
  23 +      if (grub_timeout >= 0) {
  24 +        /* wait for key or timeout change */
  25 +       while (checkkey () < 0 && (time1 = getrtsecs()) == time2 && time1 != 0xFF)
  26 +         ;
  27 +       /* fall thru on keypress or clock tick */
  28 +      }
  29
  30        /* Check for a keypress, however if TIMEOUT has been expired
  31          (GRUB_TIMEOUT == -1) relax in GETKEY even if no key has been