Replace --enable-grub-emu-modules with grub-emu-lite.

* kern/emu/cache.S: New file.  Wrapper for $target_cpu specific
	cache.S.

	* include/grub/emu/misc.h (grub_emu_init): New prototype.
	* kern/emu/full.c: New file. For grub-emu specific initialization.
	* kern/emu/lite.c: New file. For grub-emu-lite initialization.
	* kern/emu/main.c: Call initialization function grub_emu_init.

	* Makefile.in: Include grub-emu-lite in install.
	* commands/parttool.c: Use grub_no_autoload to differentiate
	between grub-emu and grub-emu-lite.
	* include/grub/misc.h: New variable grub_no_autoload.

	* conf/any-emu.rmk: New rules for grub-emu-lite.
	* configure.ac: Remove --enable-grub-emu-modules.
	* genmk.rb: Cleanup unnecessary rules.
	* include/grub/dl.h: Remove GRUB_NO_MODULES macro.

	* normal/main.c: Don't load list files on grub-emu-lite.
	* util/misc.c (grub_arch_sync_caches): Removed.

kern/emu/cache.S

@@ -0,0 +1,15 @@
+#ifndef GRUB_MACHINE_EMU
+#error "This source is only meant for grub-emu platform"
+#endif
+
+#if defined(__i386__) || defined(__x86_64__)
+/* Nothing is necessary.  */
+#elif defined(__sparc__)
+#include "../sparc64/cache.S"
+#elif defined(__mips__)
+#include "../mips/cache.S"
+#elif defined(__powerpc__)
+#include "../powerpc/cache.S"
+#else
+#error "No target cpu type is defined"
+#endif

kern/emu/full.c

@@ -0,0 +1,50 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <grub/dl.h>
+#include <grub/env.h>
+#include <grub/kernel.h>
+#include <grub/misc.h>
+#include <grub/emu/misc.h>
+
+void
+grub_register_exported_symbols (void)
+{
+}
+
+grub_err_t
+grub_arch_dl_check_header (void *ehdr)
+{
+  (void) ehdr;
+  return GRUB_ERR_BAD_MODULE;
+}
+
+grub_err_t
+grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
+{
+  (void) mod;
+  (void) ehdr;
+  return GRUB_ERR_BAD_MODULE;
+}
+
+void
+grub_emu_init (void)
+{
+  grub_no_autoload = 1;
+}

kern/emu/lite.c

@@ -0,0 +1,40 @@
+#include <config.h>
+#include <grub/emu/misc.h>
+
+#ifndef GRUB_MACHINE_EMU
+#error "This source is only meant for grub-emu platform"
+#endif
+
+#if defined(__i386__)
+#include "../i386/dl.c"
+#elif defined(__x86_64__)
+#include "../x86_64/dl.c"
+#elif defined(__sparc__)
+#include "../sparc64/dl.c"
+#elif defined(__mips__)
+#include "../mips/dl.c"
+#elif defined(__powerpc__)
+#include "../powerpc/dl.c"
+#else
+#error "No target cpu type is defined"
+#endif
+
+/* grub-emu-lite supports dynamic module loading, so it won't have any
+   embedded modules.  */
+void
+grub_init_all (void)
+{
+  return;
+}
+
+void
+grub_fini_all (void)
+{
+  return;
+}
+
+void
+grub_emu_init (void)
+{
+  return;
+}

kern/emu/main.c

@@ -51,31 +51,14 @@ static jmp_buf main_env;
 /* Store the prefix specified by an argument.  */
 static char *prefix = NULL;
 
+int grub_no_autoload;
+
 grub_addr_t
 grub_arch_modules_addr (void)
 {
   return 0;
 }
 
-#if GRUB_NO_MODULES
-grub_err_t
-grub_arch_dl_check_header (void *ehdr)
-{
-  (void) ehdr;
-
-  return GRUB_ERR_BAD_MODULE;
-}
-
-grub_err_t
-grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
-{
-  (void) mod;
-  (void) ehdr;
-
-  return GRUB_ERR_BAD_MODULE;
-}
-#endif
-
 void
 grub_reboot (void)
 {
@@ -154,10 +137,7 @@ void grub_hostfs_init (void);
 void grub_hostfs_fini (void);
 void grub_host_init (void);
 void grub_host_fini (void);
-#if GRUB_NO_MODULES
-void grub_init_all (void);
-void grub_fini_all (void);
-#endif
+void grub_emu_init (void);
 
 int
 main (int argc, char *argv[])
@@ -216,6 +196,7 @@ main (int argc, char *argv[])
     }
 
   signal (SIGINT, SIG_IGN);
+  grub_emu_init ();
   grub_console_init ();
   grub_host_init ();
   grub_hostfs_init ();
@@ -223,9 +204,7 @@ main (int argc, char *argv[])
   /* XXX: This is a bit unportable.  */
   grub_util_biosdisk_init (dev_map);
 
-#if GRUB_NO_MODULES
   grub_init_all ();
-#endif
 
   /* Make sure that there is a root device.  */
   if (! root_dev)
@@ -255,9 +234,7 @@ main (int argc, char *argv[])
   if (setjmp (main_env) == 0)
     grub_main ();
 
-#if GRUB_NO_MODULES
   grub_fini_all ();
-#endif
   grub_hostfs_fini ();
   grub_host_fini ();
 
@@ -287,10 +264,3 @@ grub_millisleep (grub_uint32_t ms)
 }
 
 #endif
-
-#if GRUB_NO_MODULES
-void
-grub_register_exported_symbols (void)
-{
-}
-#endif