File grub-silent.patch of Package grub

diff -ur -x Makefile.am -x Makefile.in grub-0.97.clean/stage2/boot.c grub-0.97.cleanhack/stage2/boot.c
--- grub-0.97.clean/stage2/boot.c	2009-09-03 14:06:18.000000000 -0400
+++ grub-0.97.cleanhack/stage2/boot.c	2009-09-03 14:17:57.000000000 -0400
@@ -300,6 +300,9 @@
 			       (big_linux ? "bzImage" : "zImage"),
 			       data_len, text_len);
 
+	  if (silent_grub)
+	    lh->vid_mode = 0x0f04;
+
 	  /* Video mode selection support. What a mess!  */
 	  /* NOTE: Even the word "mess" is not still enough to
 	     represent how wrong and bad the Linux video support is,
diff -ur -x Makefile.am -x Makefile.in grub-0.97.clean/stage2/builtins.c grub-0.97.cleanhack/stage2/builtins.c
--- grub-0.97.clean/stage2/builtins.c	2009-09-03 14:06:18.000000000 -0400
+++ grub-0.97.cleanhack/stage2/builtins.c	2009-09-03 15:42:38.000000000 -0400
@@ -291,6 +291,9 @@
       current_term = term_table; /* assumption: console is first */
     }
 
+  if (silent_grub)
+    setcursor(0);
+
 #ifdef SUPPORT_NETBOOT
   /* Shut down the networking.  */
   cleanup_net ();
@@ -4407,6 +4410,22 @@
 #endif /* ! PLATFORM_EFI */
 
 
+static int
+silent_func (char *arg, int flags)
+{
+  silent_grub = 1;
+  return 0;
+}
+
+static struct builtin builtin_silent =
+{
+  "silent",
+  silent_func,
+  BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST,
+  "grub will attempt to avoid printing anything to the screen"
+};
+
+
 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS)
 /* terminal */
 static int
@@ -5224,6 +5243,7 @@
   &builtin_setkey,
   &builtin_setup,
 #endif
+  &builtin_silent,
 #ifdef SUPPORT_GRAPHICS
   &builtin_splashimage,
 #endif /* SUPPORT_GRAPHICS */
diff -ur -x Makefile.am -x Makefile.in grub-0.97.clean/stage2/shared.h grub-0.97.cleanhack/stage2/shared.h
--- grub-0.97.clean/stage2/shared.h	2009-09-03 14:06:18.000000000 -0400
+++ grub-0.97.cleanhack/stage2/shared.h	2009-09-03 14:15:12.000000000 -0400
@@ -684,6 +684,8 @@
 extern int filepos;
 extern int filemax;
 
+extern int silent_grub;
+
 /*
  *  Common BIOS/boot data.
  */
diff -ur -x Makefile.am -x Makefile.in grub-0.97.clean/stage2/stage2.c grub-0.97.cleanhack/stage2/stage2.c
--- grub-0.97.clean/stage2/stage2.c	2009-09-03 14:06:18.000000000 -0400
+++ grub-0.97.cleanhack/stage2/stage2.c	2009-09-03 15:42:55.000000000 -0400
@@ -22,6 +22,8 @@
 
 grub_jmp_buf restart_env;
 
+int silent_grub = 0;
+
 #if defined(PRESET_MENU_STRING) || defined(SUPPORT_DISKLESS)
 
 # if defined(PRESET_MENU_STRING)
@@ -840,6 +843,9 @@
       (*current_term->shutdown)();
       current_term = term_table; /* assumption: console is first */
     }
+
+  if (silent_grub)
+    setcursor(0);
   
   while (1)
     {