[grub2.git] / commands / minicmd.c

/* minicmd.c - commands for the rescue mode */
/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2003,2005,2006,2007,2009  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 <grub/dl.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/env.h>
#include <grub/misc.h>
#include <grub/file.h>
#include <grub/disk.h>
#include <grub/term.h>
#include <grub/loader.h>
#include <grub/command.h>
#include <grub/i18n.h>

/* cat FILE */
static grub_err_t
grub_mini_cmd_cat (struct grub_command *cmd __attribute__ ((unused)),
		   int argc, char *argv[])
{
  grub_file_t file;
  char buf[GRUB_DISK_SECTOR_SIZE];
  grub_ssize_t size;

  if (argc < 1)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");

  file = grub_file_open (argv[0]);
  if (! file)
    return grub_errno;

  while ((size = grub_file_read (file, buf, sizeof (buf))) > 0)
    {
      int i;

      for (i = 0; i < size; i++)
	{
	  unsigned char c = buf[i];

	  if ((grub_isprint (c) || grub_isspace (c)) && c != '\r')
	    grub_printf ("%c", c);
	  else
	    {
	      grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
	      grub_printf ("<%x>", (int) c);
	      grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
	    }
	}
    }

  grub_xputs ("\n");
  grub_refresh ();
  grub_file_close (file);

  return 0;
}

/* help */
static grub_err_t
grub_mini_cmd_help (struct grub_command *cmd __attribute__ ((unused)),
		    int argc __attribute__ ((unused)),
		    char *argv[] __attribute__ ((unused)))
{
  grub_command_t p;

  for (p = grub_command_list; p; p = p->next)
    grub_printf ("%s (%d%c)\t%s\n", p->name,
		 p->prio & GRUB_PRIO_LIST_PRIO_MASK,
		 (p->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) ? '+' : '-',
		 p->description);

  return 0;
}

#if 0
static void
grub_rescue_cmd_info (void)
{
  extern void grub_disk_cache_get_performance (unsigned long *,
					       unsigned long *);
  unsigned long hits, misses;

  grub_disk_cache_get_performance (&hits, &misses);
  grub_printf ("Disk cache: hits = %u, misses = %u ", hits, misses);
  if (hits + misses)
    {
      unsigned long ratio = hits * 10000 / (hits + misses);
      grub_printf ("(%u.%u%%)\n", ratio / 100, ratio % 100);
    }
  else
    grub_printf ("(N/A)\n");
}
#endif

/* root [DEVICE] */
static grub_err_t
grub_mini_cmd_root (struct grub_command *cmd __attribute__ ((unused)),
		    int argc, char *argv[])
{
  grub_device_t dev;
  grub_fs_t fs;

  if (argc > 0)
    {
      char *device_name = grub_file_get_device_name (argv[0]);
      if (! device_name)
	return grub_errno;

      grub_env_set ("root", device_name);
      grub_free (device_name);
    }

  dev = grub_device_open (0);
  if (! dev)
    return grub_errno;

  fs = grub_fs_probe (dev);
  if (grub_errno == GRUB_ERR_UNKNOWN_FS)
    grub_errno = GRUB_ERR_NONE;

  grub_printf ("(%s): Filesystem is %s.\n",
	       grub_env_get ("root"), fs ? fs->name : "unknown");

  grub_device_close (dev);

  return 0;
}

#if 0
static void
grub_rescue_cmd_testload (int argc, char *argv[])
{
  grub_file_t file;
  char *buf;
  grub_ssize_t size;
  grub_ssize_t pos;
  auto void read_func (unsigned long sector, unsigned offset, unsigned len);

  void read_func (unsigned long sector __attribute__ ((unused)),
		  unsigned offset __attribute__ ((unused)),
		  unsigned len __attribute__ ((unused)))
    {
      grub_putchar ('.');
      grub_refresh ();
    }

  if (argc < 1)
    {
      grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
      return;
    }

  file = grub_file_open (argv[0]);
  if (! file)
    return;

  size = grub_file_size (file) & ~(GRUB_DISK_SECTOR_SIZE - 1);
  if (size == 0)
    {
      grub_file_close (file);
      return;
    }

  buf = grub_malloc (size);
  if (! buf)
    goto fail;

  grub_printf ("Reading %s sequentially", argv[0]);
  file->read_hook = read_func;
  if (grub_file_read (file, buf, size) != size)
    goto fail;
  grub_printf (" Done.\n");

  /* Read sequentially again.  */
  grub_printf ("Reading %s sequentially again", argv[0]);
  if (grub_file_seek (file, 0) < 0)
    goto fail;

  for (pos = 0; pos < size; pos += GRUB_DISK_SECTOR_SIZE)
    {
      char sector[GRUB_DISK_SECTOR_SIZE];

      if (grub_file_read (file, sector, GRUB_DISK_SECTOR_SIZE)
	  != GRUB_DISK_SECTOR_SIZE)
	goto fail;

      if (grub_memcmp (sector, buf + pos, GRUB_DISK_SECTOR_SIZE) != 0)
	{
	  grub_printf ("\nDiffers in %d\n", pos);
	  goto fail;
	}
    }
  grub_printf (" Done.\n");

  /* Read backwards and compare.  */
  grub_printf ("Reading %s backwards", argv[0]);
  pos = size;
  while (pos > 0)
    {
      char sector[GRUB_DISK_SECTOR_SIZE];

      pos -= GRUB_DISK_SECTOR_SIZE;

      if (grub_file_seek (file, pos) < 0)
	goto fail;

      if (grub_file_read (file, sector, GRUB_DISK_SECTOR_SIZE)
	  != GRUB_DISK_SECTOR_SIZE)
	goto fail;

      if (grub_memcmp (sector, buf + pos, GRUB_DISK_SECTOR_SIZE) != 0)
	{
	  int i;

	  grub_printf ("\nDiffers in %d\n", pos);

	  for (i = 0; i < GRUB_DISK_SECTOR_SIZE; i++)
	    grub_putchar (buf[pos + i]);

	  if (i)
	    grub_refresh ();

	  goto fail;
	}
    }
  grub_printf (" Done.\n");

 fail:

  grub_file_close (file);
  grub_free (buf);
}
#endif

/* dump ADDRESS [SIZE] */
static grub_err_t
grub_mini_cmd_dump (struct grub_command *cmd __attribute__ ((unused)),
		    int argc, char *argv[])
{
  grub_uint8_t *addr;
  grub_size_t size = 4;

  if (argc == 0)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no address specified");

  addr = (grub_uint8_t *) grub_strtoul (argv[0], 0, 0);
  if (grub_errno)
    return grub_errno;

  if (argc > 1)
    size = (grub_size_t) grub_strtoul (argv[1], 0, 0);

  while (size--)
    {
      grub_printf ("%x%x ", *addr >> 4, *addr & 0xf);
      addr++;
    }

  return 0;
}

/* rmmod MODULE */
static grub_err_t
grub_mini_cmd_rmmod (struct grub_command *cmd __attribute__ ((unused)),
		     int argc, char *argv[])
{
  grub_dl_t mod;

  if (argc == 0)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no module specified");

  mod = grub_dl_get (argv[0]);
  if (! mod)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no such module");

  if (grub_dl_unref (mod) <= 0)
    grub_dl_unload (mod);

  return 0;
}

/* lsmod */
static grub_err_t
grub_mini_cmd_lsmod (struct grub_command *cmd __attribute__ ((unused)),
		     int argc __attribute__ ((unused)),
		     char *argv[] __attribute__ ((unused)))
{
  auto int print_module (grub_dl_t mod);

  int print_module (grub_dl_t mod)
    {
      grub_dl_dep_t dep;

      grub_printf ("%s\t%d\t\t", mod->name, mod->ref_count);
      for (dep = mod->dep; dep; dep = dep->next)
	{
	  if (dep != mod->dep)
	    grub_xputs (",");

	  grub_printf ("%s", dep->mod->name);
	}
      grub_xputs ("\n");

      return 0;
    }

  grub_printf ("Name\tRef Count\tDependencies\n");
  grub_dl_iterate (print_module);

  return 0;
}

/* exit */
static grub_err_t
grub_mini_cmd_exit (struct grub_command *cmd __attribute__ ((unused)),
		    int argc __attribute__ ((unused)),
		    char *argv[] __attribute__ ((unused)))
{
  grub_exit ();
  return 0;
}

/* clear */
static grub_err_t
grub_mini_cmd_clear (struct grub_command *cmd __attribute__ ((unused)),
		   int argc __attribute__ ((unused)),
		   char *argv[] __attribute__ ((unused)))
{
  grub_cls ();
  return 0;
}

static grub_command_t cmd_cat, cmd_help, cmd_root;
static grub_command_t cmd_dump, cmd_rmmod, cmd_lsmod, cmd_exit;
static grub_command_t cmd_clear;

GRUB_MOD_INIT(minicmd)
{
  cmd_cat =
    grub_register_command ("cat", grub_mini_cmd_cat,
			   N_("FILE"), N_("Show the contents of a file."));
  cmd_help =
    grub_register_command ("help", grub_mini_cmd_help,
			   0, N_("Show this message."));
  cmd_root =
    grub_register_command ("root", grub_mini_cmd_root,
			   N_("[DEVICE]"), N_("Set the root device."));
  cmd_dump =
    grub_register_command ("dump", grub_mini_cmd_dump,
			   N_("ADDR"), N_("Dump memory."));
  cmd_rmmod =
    grub_register_command ("rmmod", grub_mini_cmd_rmmod,
			   N_("MODULE"), N_("Remove a module."));
  cmd_lsmod =
    grub_register_command ("lsmod", grub_mini_cmd_lsmod,
			   0, N_("Show loaded modules."));
  cmd_exit =
    grub_register_command ("exit", grub_mini_cmd_exit,
			   0, N_("Exit from GRUB."));
  cmd_clear =
    grub_register_command ("clear", grub_mini_cmd_clear,
			   0, N_("Clear the screen."));
}

GRUB_MOD_FINI(minicmd)
{
  grub_unregister_command (cmd_cat);
  grub_unregister_command (cmd_help);
  grub_unregister_command (cmd_root);
  grub_unregister_command (cmd_dump);
  grub_unregister_command (cmd_rmmod);
  grub_unregister_command (cmd_lsmod);
  grub_unregister_command (cmd_exit);
  grub_unregister_command (cmd_clear);
}
Commit	Line	Data
b1b797cb	1	/* minicmd.c - commands for the rescue mode */
	2	/*
	3	* GRUB -- GRand Unified Bootloader
0d5d5653	4	* Copyright (C) 2003,2005,2006,2007,2009 Free Software Foundation, Inc.
b1b797cb	5	*
	6	* GRUB is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* GRUB is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <grub/dl.h>
	21	#include <grub/mm.h>
	22	#include <grub/err.h>
	23	#include <grub/env.h>
	24	#include <grub/misc.h>
	25	#include <grub/file.h>
	26	#include <grub/disk.h>
	27	#include <grub/term.h>
	28	#include <grub/loader.h>
	29	#include <grub/command.h>
77a79592	30	#include <grub/i18n.h>
b1b797cb	31
b1b797cb	32	/* cat FILE */
	33	static grub_err_t
	34	grub_mini_cmd_cat (struct grub_command *cmd __attribute__ ((unused)),
	35	int argc, char *argv[])
	36	{
	37	grub_file_t file;
	38	char buf[GRUB_DISK_SECTOR_SIZE];
	39	grub_ssize_t size;
	40
	41	if (argc < 1)
	42	return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
	43
	44	file = grub_file_open (argv[0]);
	45	if (! file)
	46	return grub_errno;
	47
	48	while ((size = grub_file_read (file, buf, sizeof (buf))) > 0)
	49	{
	50	int i;
	51
	52	for (i = 0; i < size; i++)
	53	{
	54	unsigned char c = buf[i];
	55
	56	if ((grub_isprint (c) \|\| grub_isspace (c)) && c != '\r')
dfed5c6b	57	grub_printf ("%c", c);
b1b797cb	58	else
	59	{
	60	grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
	61	grub_printf ("<%x>", (int) c);
	62	grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
	63	}
	64	}
	65	}
	66
dfed5c6b	67	grub_xputs ("\n");
b1b797cb	68	grub_refresh ();
	69	grub_file_close (file);
	70
	71	return 0;
	72	}
	73
	74	/* help */
	75	static grub_err_t
	76	grub_mini_cmd_help (struct grub_command *cmd __attribute__ ((unused)),
	77	int argc __attribute__ ((unused)),
	78	char *argv[] __attribute__ ((unused)))
	79	{
	80	grub_command_t p;
	81
	82	for (p = grub_command_list; p; p = p->next)
	83	grub_printf ("%s (%d%c)\t%s\n", p->name,
	84	p->prio & GRUB_PRIO_LIST_PRIO_MASK,
	85	(p->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) ? '+' : '-',
	86	p->description);
	87
	88	return 0;
	89	}
	90
	91	#if 0
	92	static void
	93	grub_rescue_cmd_info (void)
	94	{
	95	extern void grub_disk_cache_get_performance (unsigned long *,
	96	unsigned long *);
	97	unsigned long hits, misses;
	98
	99	grub_disk_cache_get_performance (&hits, &misses);
	100	grub_printf ("Disk cache: hits = %u, misses = %u ", hits, misses);
	101	if (hits + misses)
	102	{
	103	unsigned long ratio = hits * 10000 / (hits + misses);
	104	grub_printf ("(%u.%u%%)\n", ratio / 100, ratio % 100);
	105	}
	106	else
	107	grub_printf ("(N/A)\n");
	108	}
	109	#endif
	110
	111	/* root [DEVICE] */
	112	static grub_err_t
	113	grub_mini_cmd_root (struct grub_command *cmd __attribute__ ((unused)),
	114	int argc, char *argv[])
	115	{
	116	grub_device_t dev;
	117	grub_fs_t fs;
	118
	119	if (argc > 0)
	120	{
	121	char *device_name = grub_file_get_device_name (argv[0]);
	122	if (! device_name)
	123	return grub_errno;
	124
	125	grub_env_set ("root", device_name);
	126	grub_free (device_name);
	127	}
	128
	129	dev = grub_device_open (0);
	130	if (! dev)
	131	return grub_errno;
132
133	fs = grub_fs_probe (dev);
134	if (grub_errno == GRUB_ERR_UNKNOWN_FS)
135	grub_errno = GRUB_ERR_NONE;
136
137	grub_printf ("(%s): Filesystem is %s.\n",
138	grub_env_get ("root"), fs ? fs->name : "unknown");
139
140	grub_device_close (dev);
141
142	return 0;
143	}
144
145	#if 0
146	static void
147	grub_rescue_cmd_testload (int argc, char *argv[])
148	{
149	grub_file_t file;
150	char *buf;
151	grub_ssize_t size;
152	grub_ssize_t pos;
153	auto void read_func (unsigned long sector, unsigned offset, unsigned len);
154
155	void read_func (unsigned long sector __attribute__ ((unused)),
156	unsigned offset __attribute__ ((unused)),
157	unsigned len __attribute__ ((unused)))
158	{
159	grub_putchar ('.');
160	grub_refresh ();
161	}
162
163	if (argc < 1)
164	{
165	grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
166	return;
167	}
168
169	file = grub_file_open (argv[0]);
170	if (! file)
171	return;
172
173	size = grub_file_size (file) & ~(GRUB_DISK_SECTOR_SIZE - 1);
174	if (size == 0)
175	{
176	grub_file_close (file);
177	return;
178	}
179
180	buf = grub_malloc (size);
181	if (! buf)
182	goto fail;
183
184	grub_printf ("Reading %s sequentially", argv[0]);
185	file->read_hook = read_func;
186	if (grub_file_read (file, buf, size) != size)
187	goto fail;
188	grub_printf (" Done.\n");
189
190	/* Read sequentially again. */
191	grub_printf ("Reading %s sequentially again", argv[0]);
192	if (grub_file_seek (file, 0) < 0)
193	goto fail;
194
195	for (pos = 0; pos < size; pos += GRUB_DISK_SECTOR_SIZE)
196	{
197	char sector[GRUB_DISK_SECTOR_SIZE];
198
199	if (grub_file_read (file, sector, GRUB_DISK_SECTOR_SIZE)
200	!= GRUB_DISK_SECTOR_SIZE)
201	goto fail;
202
203	if (grub_memcmp (sector, buf + pos, GRUB_DISK_SECTOR_SIZE) != 0)
204	{
205	grub_printf ("\nDiffers in %d\n", pos);
206	goto fail;
207	}
208	}
209	grub_printf (" Done.\n");
210
211	/* Read backwards and compare. */
212	grub_printf ("Reading %s backwards", argv[0]);
213	pos = size;
214	while (pos > 0)
215	{
216	char sector[GRUB_DISK_SECTOR_SIZE];
217
218	pos -= GRUB_DISK_SECTOR_SIZE;
219
220	if (grub_file_seek (file, pos) < 0)
221	goto fail;
222
223	if (grub_file_read (file, sector, GRUB_DISK_SECTOR_SIZE)
224	!= GRUB_DISK_SECTOR_SIZE)
225	goto fail;
226
227	if (grub_memcmp (sector, buf + pos, GRUB_DISK_SECTOR_SIZE) != 0)
228	{
229	int i;
230
231	grub_printf ("\nDiffers in %d\n", pos);
232
233	for (i = 0; i < GRUB_DISK_SECTOR_SIZE; i++)
234	grub_putchar (buf[pos + i]);
235
236	if (i)
237	grub_refresh ();
238
239	goto fail;
240	}
241	}
242	grub_printf (" Done.\n");
243
244	fail:
245
246	grub_file_close (file);
247	grub_free (buf);
248	}
249	#endif
250
251	/* dump ADDRESS [SIZE] */
252	static grub_err_t
253	grub_mini_cmd_dump (struct grub_command *cmd __attribute__ ((unused)),
254	int argc, char *argv[])
255	{
256	grub_uint8_t *addr;
257	grub_size_t size = 4;
258
259	if (argc == 0)
260	return grub_error (GRUB_ERR_BAD_ARGUMENT, "no address specified");
261
262	addr = (grub_uint8_t *) grub_strtoul (argv[0], 0, 0);
263	if (grub_errno)
264	return grub_errno;
265
266	if (argc > 1)
267	size = (grub_size_t) grub_strtoul (argv[1], 0, 0);
268
269	while (size--)
270	{
271	grub_printf ("%x%x ", addr >> 4, addr & 0xf);
272	addr++;
273	}
274
275	return 0;
276	}
277
278	/* rmmod MODULE */
279	static grub_err_t
280	grub_mini_cmd_rmmod (struct grub_command *cmd __attribute__ ((unused)),
281	int argc, char *argv[])
282	{
283	grub_dl_t mod;
284
285	if (argc == 0)
286	return grub_error (GRUB_ERR_BAD_ARGUMENT, "no module specified");
287
288	mod = grub_dl_get (argv[0]);
289	if (! mod)
290	return grub_error (GRUB_ERR_BAD_ARGUMENT, "no such module");
291
292	if (grub_dl_unref (mod) <= 0)
293	grub_dl_unload (mod);
294
295	return 0;
296	}
297
298	/* lsmod */
299	static grub_err_t
300	grub_mini_cmd_lsmod (struct grub_command *cmd __attribute__ ((unused)),
301	int argc __attribute__ ((unused)),
302	char *argv[] __attribute__ ((unused)))
303	{
304	auto int print_module (grub_dl_t mod);
305
306	int print_module (grub_dl_t mod)
307	{
308	grub_dl_dep_t dep;
309
310	grub_printf ("%s\t%d\t\t", mod->name, mod->ref_count);
311	for (dep = mod->dep; dep; dep = dep->next)
312	{
313	if (dep != mod->dep)
dfed5c6b	314	grub_xputs (",");
b1b797cb	315
	316	grub_printf ("%s", dep->mod->name);
	317	}
dfed5c6b	318	grub_xputs ("\n");
b1b797cb	319
	320	return 0;
	321	}
	322
	323	grub_printf ("Name\tRef Count\tDependencies\n");
	324	grub_dl_iterate (print_module);
	325
	326	return 0;
	327	}
	328
	329	/* exit */
	330	static grub_err_t
	331	grub_mini_cmd_exit (struct grub_command *cmd __attribute__ ((unused)),
	332	int argc __attribute__ ((unused)),
	333	char *argv[] __attribute__ ((unused)))
	334	{
	335	grub_exit ();
	336	return 0;
	337	}
	338
cd4f42b0 RM	339	/* clear */
	340	static grub_err_t
	341	grub_mini_cmd_clear (struct grub_command *cmd __attribute__ ((unused)),
	342	int argc __attribute__ ((unused)),
	343	char *argv[] __attribute__ ((unused)))
	344	{
	345	grub_cls ();
	346	return 0;
	347	}
	348
0d5d5653	349	static grub_command_t cmd_cat, cmd_help, cmd_root;
b1b797cb	350	static grub_command_t cmd_dump, cmd_rmmod, cmd_lsmod, cmd_exit;
cd4f42b0	351	static grub_command_t cmd_clear;
b1b797cb	352
	353	GRUB_MOD_INIT(minicmd)
	354	{
b1b797cb	355	cmd_cat =
b1b797cb	356	grub_register_command ("cat", grub_mini_cmd_cat,
77a79592	357	N_("FILE"), N_("Show the contents of a file."));
b1b797cb	358	cmd_help =
b1b797cb	359	grub_register_command ("help", grub_mini_cmd_help,
77a79592	360	0, N_("Show this message."));
b1b797cb	361	cmd_root =
b1b797cb	362	grub_register_command ("root", grub_mini_cmd_root,
77a79592	363	N_("[DEVICE]"), N_("Set the root device."));
b1b797cb	364	cmd_dump =
b1b797cb	365	grub_register_command ("dump", grub_mini_cmd_dump,
77a79592	366	N_("ADDR"), N_("Dump memory."));
b1b797cb	367	cmd_rmmod =
b1b797cb	368	grub_register_command ("rmmod", grub_mini_cmd_rmmod,
77a79592	369	N_("MODULE"), N_("Remove a module."));
b1b797cb	370	cmd_lsmod =
b1b797cb	371	grub_register_command ("lsmod", grub_mini_cmd_lsmod,
77a79592	372	0, N_("Show loaded modules."));
b1b797cb	373	cmd_exit =
b1b797cb	374	grub_register_command ("exit", grub_mini_cmd_exit,
77a79592	375	0, N_("Exit from GRUB."));
cd4f42b0 RM	376	cmd_clear =
cd4f42b0 RM	377	grub_register_command ("clear", grub_mini_cmd_clear,
77a79592	378	0, N_("Clear the screen."));
b1b797cb	379	}
	380
	381	GRUB_MOD_FINI(minicmd)
	382	{
b1b797cb	383	grub_unregister_command (cmd_cat);
	384	grub_unregister_command (cmd_help);
	385	grub_unregister_command (cmd_root);
	386	grub_unregister_command (cmd_dump);
	387	grub_unregister_command (cmd_rmmod);
	388	grub_unregister_command (cmd_lsmod);
	389	grub_unregister_command (cmd_exit);
cd4f42b0	390	grub_unregister_command (cmd_clear);
b1b797cb	391	}