[thirdparty/u-boot.git] / common / cli.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * Add to readline cmdline-editing by
 * (C) Copyright 2005
 * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
 */

#define pr_fmt(fmt) "cli: %s: " fmt, __func__

#include <common.h>
#include <ansi.h>
#include <bootstage.h>
#include <cli.h>
#include <cli_hush.h>
#include <command.h>
#include <console.h>
#include <env.h>
#include <fdtdec.h>
#include <hang.h>
#include <malloc.h>
#include <asm/global_data.h>
#include <dm/ofnode.h>
#include <linux/errno.h>

#ifdef CONFIG_CMDLINE

static inline bool use_hush_old(void)
{
	return IS_ENABLED(CONFIG_HUSH_SELECTABLE) ?
	gd->flags & GD_FLG_HUSH_OLD_PARSER :
	IS_ENABLED(CONFIG_HUSH_OLD_PARSER);
}

/*
 * Run a command using the selected parser.
 *
 * @param cmd	Command to run
 * @param flag	Execution flags (CMD_FLAG_...)
 * Return: 0 on success, or != 0 on error.
 */
int run_command(const char *cmd, int flag)
{
#if !IS_ENABLED(CONFIG_HUSH_PARSER)
	/*
	 * cli_run_command can return 0 or 1 for success, so clean up
	 * its result.
	 */
	if (cli_simple_run_command(cmd, flag) == -1)
		return 1;

	return 0;
#else
	if (use_hush_old()) {
		int hush_flags = FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP;

		if (flag & CMD_FLAG_ENV)
			hush_flags |= FLAG_CONT_ON_NEWLINE;
		return parse_string_outer(cmd, hush_flags);
	}
	/*
	 * Possible values for flags are the following:
	 * FLAG_EXIT_FROM_LOOP: This flags ensures we exit from loop in
	 * parse_and_run_stream() after first iteration while normal
	 * behavior, * i.e. when called from cli_loop(), is to loop
	 * infinitely.
	 * FLAG_PARSE_SEMICOLON: modern Hush parses ';' and does not stop
	 * first time it sees one. So, I think we do not need this flag.
	 * FLAG_REPARSING: For the moment, I do not understand the goal
	 * of this flag.
	 * FLAG_CONT_ON_NEWLINE: This flag seems to be used to continue
	 * parsing even when reading '\n' when coming from
	 * run_command(). In this case, modern Hush reads until it finds
	 * '\0'. So, I think we do not need this flag.
	 */
	return parse_string_outer_modern(cmd, FLAG_EXIT_FROM_LOOP);
#endif
}

/*
 * Run a command using the selected parser, and check if it is repeatable.
 *
 * @param cmd	Command to run
 * @param flag	Execution flags (CMD_FLAG_...)
 * Return: 0 (not repeatable) or 1 (repeatable) on success, -1 on error.
 */
int run_command_repeatable(const char *cmd, int flag)
{
#ifndef CONFIG_HUSH_PARSER
	return cli_simple_run_command(cmd, flag);
#else
	int ret;

	if (use_hush_old()) {
		ret = parse_string_outer(cmd,
					 FLAG_PARSE_SEMICOLON
					 | FLAG_EXIT_FROM_LOOP);
	} else {
		ret = parse_string_outer_modern(cmd,
					      FLAG_PARSE_SEMICOLON
					      | FLAG_EXIT_FROM_LOOP);
	}

	/*
	 * parse_string_outer() returns 1 for failure, so clean up
	 * its result.
	 */
	if (ret)
		return -1;

	return 0;
#endif
}
#else
__weak int board_run_command(const char *cmdline)
{
	printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n");

	return 1;
}
#endif /* CONFIG_CMDLINE */

int run_command_list(const char *cmd, int len, int flag)
{
	int need_buff = 1;
	char *buff = (char *)cmd;	/* cast away const */
	int rcode = 0;

	if (len == -1) {
		len = strlen(cmd);
#ifdef CONFIG_HUSH_PARSER
		/* hush will never change our string */
		need_buff = 0;
#else
		/* the built-in parser will change our string if it sees \n */
		need_buff = strchr(cmd, '\n') != NULL;
#endif
	}
	if (need_buff) {
		buff = malloc(len + 1);
		if (!buff)
			return 1;
		memcpy(buff, cmd, len);
		buff[len] = '\0';
	}
#ifdef CONFIG_HUSH_PARSER
	if (use_hush_old()) {
		rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON);
	} else {
		rcode = parse_string_outer_modern(buff, FLAG_PARSE_SEMICOLON);
	}
#else
	/*
	 * This function will overwrite any \n it sees with a \0, which
	 * is why it can't work with a const char *. Here we are making
	 * using of internal knowledge of this function, to avoid always
	 * doing a malloc() which is actually required only in a case that
	 * is pretty rare.
	 */
#ifdef CONFIG_CMDLINE
	rcode = cli_simple_run_command_list(buff, flag);
#else
	rcode = board_run_command(buff);
#endif
#endif
	if (need_buff)
		free(buff);

	return rcode;
}

int run_commandf(const char *fmt, ...)
{
	va_list args;
	int nbytes;

	va_start(args, fmt);
	/*
	 * Limit the console_buffer space being used to CONFIG_SYS_CBSIZE,
	 * because its last byte is used to fit the replacement of \0 by \n\0
	 * in underlying hush parser
	 */
	nbytes = vsnprintf(console_buffer, CONFIG_SYS_CBSIZE, fmt, args);
	va_end(args);

	if (nbytes < 0) {
		pr_debug("I/O internal error occurred.\n");
		return -EIO;
	} else if (nbytes >= CONFIG_SYS_CBSIZE) {
		pr_debug("'fmt' size:%d exceeds the limit(%d)\n",
			 nbytes, CONFIG_SYS_CBSIZE);
		return -ENOSPC;
	}
	return run_command(console_buffer, 0);
}

/****************************************************************************/

#if defined(CONFIG_CMD_RUN)
int do_run(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	int i, ret;

	if (argc < 2)
		return CMD_RET_USAGE;

	for (i = 1; i < argc; ++i) {
		char *arg;

		arg = env_get(argv[i]);
		if (arg == NULL) {
			printf("## Error: \"%s\" not defined\n", argv[i]);
			return 1;
		}

		ret = run_command(arg, flag | CMD_FLAG_ENV);
		if (ret)
			return ret;
	}
	return 0;
}
#endif

#if CONFIG_IS_ENABLED(OF_CONTROL)
bool cli_process_fdt(const char **cmdp)
{
	/* Allow the fdt to override the boot command */
	const char *env = ofnode_conf_read_str("bootcmd");
	if (env)
		*cmdp = env;
	/*
	 * If the bootsecure option was chosen, use secure_boot_cmd().
	 * Always use 'env' in this case, since bootsecure requres that the
	 * bootcmd was specified in the FDT too.
	 */
	return ofnode_conf_read_int("bootsecure", 0);
}

/*
 * Runs the given boot command securely.  Specifically:
 * - Doesn't run the command with the shell (run_command or parse_string_outer),
 *   since that's a lot of code surface that an attacker might exploit.
 *   Because of this, we don't do any argument parsing--the secure boot command
 *   has to be a full-fledged u-boot command.
 * - Doesn't check for keypresses before booting, since that could be a
 *   security hole; also disables Ctrl-C.
 * - Doesn't allow the command to return.
 *
 * Upon any failures, this function will drop into an infinite loop after
 * printing the error message to console.
 */
void cli_secure_boot_cmd(const char *cmd)
{
#ifdef CONFIG_CMDLINE
	struct cmd_tbl *cmdtp;
#endif
	int rc;

	if (!cmd) {
		printf("## Error: Secure boot command not specified\n");
		goto err;
	}

	/* Disable Ctrl-C just in case some command is used that checks it. */
	disable_ctrlc(1);

	/* Find the command directly. */
#ifdef CONFIG_CMDLINE
	cmdtp = find_cmd(cmd);
	if (!cmdtp) {
		printf("## Error: \"%s\" not defined\n", cmd);
		goto err;
	}

	/* Run the command, forcing no flags and faking argc and argv. */
	rc = (cmdtp->cmd)(cmdtp, 0, 1, (char **)&cmd);

#else
	rc = board_run_command(cmd);
#endif

	/* Shouldn't ever return from boot command. */
	printf("## Error: \"%s\" returned (code %d)\n", cmd, rc);

err:
	/*
	 * Not a whole lot to do here.  Rebooting won't help much, since we'll
	 * just end up right back here.  Just loop.
	 */
	hang();
}
#endif /* CONFIG_IS_ENABLED(OF_CONTROL) */

void cli_loop(void)
{
	bootstage_mark(BOOTSTAGE_ID_ENTER_CLI_LOOP);
#if CONFIG_IS_ENABLED(HUSH_PARSER)
	if (gd->flags & GD_FLG_HUSH_MODERN_PARSER)
		parse_and_run_file();
	else if (gd->flags & GD_FLG_HUSH_OLD_PARSER)
		parse_file_outer();

	printf("Problem\n");
	/* This point is never reached */
	for (;;);
#elif defined(CONFIG_CMDLINE)
	cli_simple_loop();
#else
	printf("## U-Boot command line is disabled. Please enable CONFIG_CMDLINE\n");
#endif /*CONFIG_HUSH_PARSER*/
}

void cli_init(void)
{
#ifdef CONFIG_HUSH_PARSER
	/* This if block is used to initialize hush parser gd flag. */
	if (!(gd->flags & GD_FLG_HUSH_OLD_PARSER)
		&& !(gd->flags & GD_FLG_HUSH_MODERN_PARSER)) {
		if (CONFIG_IS_ENABLED(HUSH_OLD_PARSER))
			gd->flags |= GD_FLG_HUSH_OLD_PARSER;
		else if (CONFIG_IS_ENABLED(HUSH_MODERN_PARSER))
			gd->flags |= GD_FLG_HUSH_MODERN_PARSER;
	}

	if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
		u_boot_hush_start();
	} else if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) {
		u_boot_hush_start_modern();
	} else {
		printf("No valid hush parser to use, cli will not initialized!\n");
		return;
	}
#endif

#if defined(CONFIG_HUSH_INIT_VAR)
	hush_init_var();
#endif

	if (CONFIG_IS_ENABLED(VIDEO_ANSI))
		printf(ANSI_CURSOR_SHOW "\n");
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
30354978 SG	2	/*
	3	* (C) Copyright 2000
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	5	*
	6	* Add to readline cmdline-editing by
	7	* (C) Copyright 2005
	8	* JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
30354978 SG	9	*/
30354978 SG	10
26f923c7 EB	11	#define pr_fmt(fmt) "cli: %s: " fmt, __func__
26f923c7 EB	12
d678a59d	13	#include <common.h>
d2e4b2fa	14	#include <ansi.h>
52f24238	15	#include <bootstage.h>
30354978 SG	16	#include <cli.h>
30354978 SG	17	#include <cli_hush.h>
288b29e4	18	#include <command.h>
24b852a7	19	#include <console.h>
7b51b576	20	#include <env.h>
affb2156	21	#include <fdtdec.h>
db41d65a	22	#include <hang.h>
30354978	23	#include <malloc.h>
401d1c4f	24	#include <asm/global_data.h>
7de8bd03	25	#include <dm/ofnode.h>
26f923c7	26	#include <linux/errno.h>
affb2156	27
f8bb6964	28	#ifdef CONFIG_CMDLINE
3ea3c57e FL	29
	30	static inline bool use_hush_old(void)
	31	{
	32	return IS_ENABLED(CONFIG_HUSH_SELECTABLE) ?
	33	gd->flags & GD_FLG_HUSH_OLD_PARSER :
	34	IS_ENABLED(CONFIG_HUSH_OLD_PARSER);
	35	}
	36
30354978 SG	37	/*
	38	* Run a command using the selected parser.
	39	*
	40	* @param cmd Command to run
	41	* @param flag Execution flags (CMD_FLAG_...)
185f812c	42	* Return: 0 on success, or != 0 on error.
30354978 SG	43	*/
	44	int run_command(const char *cmd, int flag)
	45	{
b84d23d0	46	#if !IS_ENABLED(CONFIG_HUSH_PARSER)
30354978 SG	47	/*
	48	* cli_run_command can return 0 or 1 for success, so clean up
	49	* its result.
	50	*/
	51	if (cli_simple_run_command(cmd, flag) == -1)
	52	return 1;
	53
	54	return 0;
3ea3c57e FL	55	#else
	56	if (use_hush_old()) {
	57	int hush_flags = FLAG_PARSE_SEMICOLON \| FLAG_EXIT_FROM_LOOP;
	58
	59	if (flag & CMD_FLAG_ENV)
	60	hush_flags \|= FLAG_CONT_ON_NEWLINE;
	61	return parse_string_outer(cmd, hush_flags);
	62	}
	63	/*
	64	* Possible values for flags are the following:
	65	* FLAG_EXIT_FROM_LOOP: This flags ensures we exit from loop in
	66	* parse_and_run_stream() after first iteration while normal
	67	* behavior, * i.e. when called from cli_loop(), is to loop
	68	* infinitely.
	69	* FLAG_PARSE_SEMICOLON: modern Hush parses ';' and does not stop
	70	* first time it sees one. So, I think we do not need this flag.
	71	* FLAG_REPARSING: For the moment, I do not understand the goal
	72	* of this flag.
	73	* FLAG_CONT_ON_NEWLINE: This flag seems to be used to continue
	74	* parsing even when reading '\n' when coming from
	75	* run_command(). In this case, modern Hush reads until it finds
	76	* '\0'. So, I think we do not need this flag.
	77	*/
	78	return parse_string_outer_modern(cmd, FLAG_EXIT_FROM_LOOP);
30354978 SG	79	#endif
	80	}
	81
1d43bfd2 TB	82	/*
	83	* Run a command using the selected parser, and check if it is repeatable.
	84	*
	85	* @param cmd Command to run
	86	* @param flag Execution flags (CMD_FLAG_...)
185f812c	87	* Return: 0 (not repeatable) or 1 (repeatable) on success, -1 on error.
1d43bfd2 TB	88	*/
	89	int run_command_repeatable(const char *cmd, int flag)
	90	{
f1f9d4fa	91	#ifndef CONFIG_HUSH_PARSER
1d43bfd2 TB	92	return cli_simple_run_command(cmd, flag);
1d43bfd2 TB	93	#else
3ea3c57e FL	94	int ret;
	95
	96	if (use_hush_old()) {
	97	ret = parse_string_outer(cmd,
	98	FLAG_PARSE_SEMICOLON
	99	\| FLAG_EXIT_FROM_LOOP);
	100	} else {
	101	ret = parse_string_outer_modern(cmd,
	102	FLAG_PARSE_SEMICOLON
	103	\| FLAG_EXIT_FROM_LOOP);
	104	}
	105
1d43bfd2 TB	106	/*
	107	* parse_string_outer() returns 1 for failure, so clean up
	108	* its result.
	109	*/
3ea3c57e	110	if (ret)
1d43bfd2 TB	111	return -1;
	112
	113	return 0;
	114	#endif
	115	}
19464f4f SA	116	#else
	117	__weak int board_run_command(const char *cmdline)
	118	{
	119	printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n");
	120
	121	return 1;
	122	}
f8bb6964	123	#endif /* CONFIG_CMDLINE */
1d43bfd2	124
30354978 SG	125	int run_command_list(const char *cmd, int len, int flag)
	126	{
	127	int need_buff = 1;
	128	char buff = (char )cmd; /* cast away const */
	129	int rcode = 0;
	130
	131	if (len == -1) {
	132	len = strlen(cmd);
f1f9d4fa	133	#ifdef CONFIG_HUSH_PARSER
30354978 SG	134	/* hush will never change our string */
	135	need_buff = 0;
	136	#else
	137	/* the built-in parser will change our string if it sees \n */
	138	need_buff = strchr(cmd, '\n') != NULL;
	139	#endif
	140	}
	141	if (need_buff) {
	142	buff = malloc(len + 1);
	143	if (!buff)
	144	return 1;
	145	memcpy(buff, cmd, len);
	146	buff[len] = '\0';
	147	}
f1f9d4fa	148	#ifdef CONFIG_HUSH_PARSER
3ea3c57e FL	149	if (use_hush_old()) {
	150	rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON);
	151	} else {
	152	rcode = parse_string_outer_modern(buff, FLAG_PARSE_SEMICOLON);
	153	}
30354978 SG	154	#else
	155	/*
	156	* This function will overwrite any \n it sees with a \0, which
	157	* is why it can't work with a const char *. Here we are making
	158	* using of internal knowledge of this function, to avoid always
	159	* doing a malloc() which is actually required only in a case that
	160	* is pretty rare.
	161	*/
f8bb6964	162	#ifdef CONFIG_CMDLINE
30354978	163	rcode = cli_simple_run_command_list(buff, flag);
f8bb6964 SG	164	#else
	165	rcode = board_run_command(buff);
	166	#endif
09a78862	167	#endif
30354978 SG	168	if (need_buff)
30354978 SG	169	free(buff);
30354978 SG	170
	171	return rcode;
	172	}
	173
74724484 SG	174	int run_commandf(const char *fmt, ...)
	175	{
	176	va_list args;
26f923c7	177	int nbytes;
74724484 SG	178
74724484 SG	179	va_start(args, fmt);
26f923c7 EB	180	/*
	181	* Limit the console_buffer space being used to CONFIG_SYS_CBSIZE,
	182	* because its last byte is used to fit the replacement of \0 by \n\0
	183	* in underlying hush parser
	184	*/
	185	nbytes = vsnprintf(console_buffer, CONFIG_SYS_CBSIZE, fmt, args);
74724484 SG	186	va_end(args);
74724484 SG	187
26f923c7 EB	188	if (nbytes < 0) {
	189	pr_debug("I/O internal error occurred.\n");
	190	return -EIO;
	191	} else if (nbytes >= CONFIG_SYS_CBSIZE) {
	192	pr_debug("'fmt' size:%d exceeds the limit(%d)\n",
	193	nbytes, CONFIG_SYS_CBSIZE);
	194	return -ENOSPC;
	195	}
	196	return run_command(console_buffer, 0);
74724484 SG	197	}
74724484 SG	198
30354978 SG	199	/****************************************************************************/
	200
	201	#if defined(CONFIG_CMD_RUN)
09140113	202	int do_run(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
30354978	203	{
721307eb	204	int i, ret;
30354978 SG	205
	206	if (argc < 2)
	207	return CMD_RET_USAGE;
	208
	209	for (i = 1; i < argc; ++i) {
	210	char *arg;
	211
00caae6d	212	arg = env_get(argv[i]);
30354978 SG	213	if (arg == NULL) {
	214	printf("## Error: \"%s\" not defined\n", argv[i]);
	215	return 1;
	216	}
	217
721307eb MV	218	ret = run_command(arg, flag \| CMD_FLAG_ENV);
	219	if (ret)
	220	return ret;
30354978 SG	221	}
	222	return 0;
	223	}
	224	#endif
c1bb2cd0	225
0f925822	226	#if CONFIG_IS_ENABLED(OF_CONTROL)
affb2156 SG	227	bool cli_process_fdt(const char **cmdp)
	228	{
	229	/* Allow the fdt to override the boot command */
7de8bd03	230	const char *env = ofnode_conf_read_str("bootcmd");
affb2156 SG	231	if (env)
	232	*cmdp = env;
	233	/*
	234	* If the bootsecure option was chosen, use secure_boot_cmd().
	235	* Always use 'env' in this case, since bootsecure requres that the
	236	* bootcmd was specified in the FDT too.
	237	*/
7de8bd03	238	return ofnode_conf_read_int("bootsecure", 0);
affb2156 SG	239	}
	240
	241	/*
	242	* Runs the given boot command securely. Specifically:
	243	* - Doesn't run the command with the shell (run_command or parse_string_outer),
	244	* since that's a lot of code surface that an attacker might exploit.
	245	* Because of this, we don't do any argument parsing--the secure boot command
	246	* has to be a full-fledged u-boot command.
	247	* - Doesn't check for keypresses before booting, since that could be a
	248	* security hole; also disables Ctrl-C.
	249	* - Doesn't allow the command to return.
	250	*
	251	* Upon any failures, this function will drop into an infinite loop after
	252	* printing the error message to console.
	253	*/
	254	void cli_secure_boot_cmd(const char *cmd)
	255	{
f8bb6964	256	#ifdef CONFIG_CMDLINE
09140113	257	struct cmd_tbl *cmdtp;
f8bb6964	258	#endif
affb2156 SG	259	int rc;
	260
	261	if (!cmd) {
	262	printf("## Error: Secure boot command not specified\n");
	263	goto err;
	264	}
	265
	266	/* Disable Ctrl-C just in case some command is used that checks it. */
	267	disable_ctrlc(1);
	268
	269	/* Find the command directly. */
f8bb6964	270	#ifdef CONFIG_CMDLINE
affb2156 SG	271	cmdtp = find_cmd(cmd);
	272	if (!cmdtp) {
	273	printf("## Error: \"%s\" not defined\n", cmd);
	274	goto err;
	275	}
	276
	277	/* Run the command, forcing no flags and faking argc and argv. */
	278	rc = (cmdtp->cmd)(cmdtp, 0, 1, (char **)&cmd);
	279
f8bb6964 SG	280	#else
	281	rc = board_run_command(cmd);
	282	#endif
	283
affb2156 SG	284	/* Shouldn't ever return from boot command. */
	285	printf("## Error: \"%s\" returned (code %d)\n", cmd, rc);
	286
	287	err:
	288	/*
	289	* Not a whole lot to do here. Rebooting won't help much, since we'll
	290	* just end up right back here. Just loop.
	291	*/
	292	hang();
	293	}
0f925822	294	#endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
affb2156	295
c1bb2cd0 SG	296	void cli_loop(void)
c1bb2cd0 SG	297	{
b07cc48c	298	bootstage_mark(BOOTSTAGE_ID_ENTER_CLI_LOOP);
9a068377 FL	299	#if CONFIG_IS_ENABLED(HUSH_PARSER)
	300	if (gd->flags & GD_FLG_HUSH_MODERN_PARSER)
	301	parse_and_run_file();
	302	else if (gd->flags & GD_FLG_HUSH_OLD_PARSER)
	303	parse_file_outer();
	304
	305	printf("Problem\n");
c1bb2cd0 SG	306	/* This point is never reached */
c1bb2cd0 SG	307	for (;;);
30eae26b	308	#elif defined(CONFIG_CMDLINE)
c1bb2cd0	309	cli_simple_loop();
f8bb6964 SG	310	#else
f8bb6964 SG	311	printf("## U-Boot command line is disabled. Please enable CONFIG_CMDLINE\n");
f1f9d4fa	312	#endif /CONFIG_HUSH_PARSER/
c1bb2cd0 SG	313	}
	314
	315	void cli_init(void)
	316	{
f1f9d4fa	317	#ifdef CONFIG_HUSH_PARSER
9a068377	318	/* This if block is used to initialize hush parser gd flag. */
6bb39f5d	319	if (!(gd->flags & GD_FLG_HUSH_OLD_PARSER)
9a068377 FL	320	&& !(gd->flags & GD_FLG_HUSH_MODERN_PARSER)) {
	321	if (CONFIG_IS_ENABLED(HUSH_OLD_PARSER))
	322	gd->flags \|= GD_FLG_HUSH_OLD_PARSER;
	323	else if (CONFIG_IS_ENABLED(HUSH_MODERN_PARSER))
	324	gd->flags \|= GD_FLG_HUSH_MODERN_PARSER;
	325	}
	326
	327	if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
	328	u_boot_hush_start();
	329	} else if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) {
	330	u_boot_hush_start_modern();
	331	} else {
	332	printf("No valid hush parser to use, cli will not initialized!\n");
	333	return;
	334	}
c1bb2cd0 SG	335	#endif
	336
	337	#if defined(CONFIG_HUSH_INIT_VAR)
	338	hush_init_var();
	339	#endif
d2e4b2fa HS	340
	341	if (CONFIG_IS_ENABLED(VIDEO_ANSI))
	342	printf(ANSI_CURSOR_SHOW "\n");
c1bb2cd0	343	}