Add CONFIG_CMDLINE to allow removal of all commands

index 35d8a7a..1faf78e 100644
@@ -11,7 +11,8 @@
 #include <command.h>
 #include <cbfs.h>
 
-int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc,
+			char *const argv[])
 {
 	uintptr_t end_of_rom = 0xffffffff;
 	char *ep;

@@ -44,7 +45,8 @@ U_BOOT_CMD(
 	"      CBFS is in. It defaults to 0xFFFFFFFF\n"
 );
 
-int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc,
+			  char *const argv[])
 {
 	const struct cbfs_cachenode *file;
 	unsigned long offset;

@@ -90,7 +92,8 @@ U_BOOT_CMD(
 	"    - load binary file 'filename' from the cbfs to address 'addr'\n"
 );
 
-int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc,
+		      char *const argv[])
 {
 	const struct cbfs_cachenode *file = file_cbfs_get_first();
 	int files = 0;

@@ -167,7 +170,8 @@ U_BOOT_CMD(
 	"    - list the files in the cbfs\n"
 );
 
-int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
+			  char *const argv[])
 {
 	const struct cbfs_header *header = file_cbfs_get_header();
 

index 0dda4fc..969618e 100644
@@ -83,13 +83,14 @@ int sandbox_main_loop_init(void)
 
 		cli_init();
 
+#ifdef CONFIG_CMDLINE
 		if (state->cmd)
 			retval = run_command_list(state->cmd, -1, 0);
 
 		if (state->run_distro_boot)
 			retval = cli_simple_run_command("run distro_bootcmd",
 							0);
-
+#endif
 		if (!state->interactive)
 			os_exit(retval);
 	}

@@ -265,6 +266,13 @@ static int sandbox_cmdline_cb_verbose(struct sandbox_state *state,
 }
 SANDBOX_CMDLINE_OPT_SHORT(verbose, 'v', 0, "Show test output");
 
+int board_run_command(const char *cmdline)
+{
+	printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n");
+
+	return 1;
+}
+
 int main(int argc, char *argv[])
 {
 	struct sandbox_state *state;

index 6ff494d..701ae7e 100644
@@ -10,9 +10,13 @@
 
 static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
+#ifdef CONFIG_CMDLINE
 	cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
 	const int len = ll_entry_count(cmd_tbl_t, cmd);
 	return _do_help(start, len, cmdtp, flag, argc, argv);
+#else
+	return 0;
+#endif
 }
 
 U_BOOT_CMD(

index 119d282..9b4b3e5 100644
@@ -18,6 +18,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifdef CONFIG_CMDLINE
 /*
  * Run a command using the selected parser.
  *

@@ -68,6 +69,7 @@ int run_command_repeatable(const char *cmd, int flag)
 	return 0;
 #endif
 }
+#endif /* CONFIG_CMDLINE */
 
 int run_command_list(const char *cmd, int len, int flag)
 {

@@ -102,7 +104,11 @@ int run_command_list(const char *cmd, int len, int flag)
 	 * 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);

@@ -166,7 +172,9 @@ bool cli_process_fdt(const char **cmdp)
  */
 void cli_secure_boot_cmd(const char *cmd)
 {
+#ifdef CONFIG_CMDLINE
 	cmd_tbl_t *cmdtp;
+#endif
 	int rc;
 
 	if (!cmd) {

@@ -178,6 +186,7 @@ void cli_secure_boot_cmd(const char *cmd)
 	disable_ctrlc(1);
 
 	/* Find the command directly. */
+#ifdef CONFIG_CMDLINE
 	cmdtp = find_cmd(cmd);
 	if (!cmdtp) {
 		printf("## Error: \"%s\" not defined\n", cmd);

@@ -187,6 +196,10 @@ void cli_secure_boot_cmd(const char *cmd)
 	/* 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);
 

@@ -205,8 +218,10 @@ void cli_loop(void)
 	parse_file_outer();
 	/* This point is never reached */
 	for (;;);
-#else
+#elif defined(CONFIG_CMDINE)
 	cli_simple_loop();
+#else
+	printf("## U-Boot command line is disabled. Please enable CONFIG_CMDLINE\n");
 #endif /*CONFIG_SYS_HUSH_PARSER*/
 }
 

index 858e288..e5d9b9c 100644
@@ -85,6 +85,7 @@ int _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t *cmdtp, int flag,
 /* find command table entry for a command */
 cmd_tbl_t *find_cmd_tbl(const char *cmd, cmd_tbl_t *table, int table_len)
 {
+#ifdef CONFIG_CMDLINE
 	cmd_tbl_t *cmdtp;
 	cmd_tbl_t *cmdtp_temp = table;	/* Init value */
 	const char *p;

@@ -111,6 +112,7 @@ cmd_tbl_t *find_cmd_tbl(const char *cmd, cmd_tbl_t *table, int table_len)
 	if (n_found == 1) {			/* exactly one match */
 		return cmdtp_temp;
 	}
+#endif /* CONFIG_CMDLINE */
 
 	return NULL;	/* not found or ambiguous command */
 }

@@ -162,6 +164,7 @@ int var_complete(int argc, char * const argv[], char last_char, int maxv, char *
 
 static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
 {
+#ifdef CONFIG_CMDLINE
 	cmd_tbl_t *cmdtp = ll_entry_start(cmd_tbl_t, cmd);
 	const int count = ll_entry_count(cmd_tbl_t, cmd);
 	const cmd_tbl_t *cmdend = cmdtp + count;

@@ -231,6 +234,9 @@ static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv
 
 	cmdv[n_found] = NULL;
 	return n_found;
+#else
+	return 0;
+#endif
 }
 
 static int make_argv(char *s, int argvsz, char *argv[])

index 1a2ef39..a9f7f71 100644
@@ -72,4 +72,5 @@ void main_loop(void)
 	autoboot_command(s);
 
 	cli_loop();
+	hang();
 }

index 0524c0b..08f0486 100644
@@ -144,6 +144,24 @@ int cmd_process(int flag, int argc, char * const argv[],
 			       int *repeatable, unsigned long *ticks);
 
 void fixup_cmdtable(cmd_tbl_t *cmdtp, int size);
+
+/**
+ * board_run_command() - Fallback function to execute a command
+ *
+ * When no command line features are enabled in U-Boot, this function is
+ * called to execute a command. Typically the function can look at the
+ * command and perform a few very specific tasks, such as booting the
+ * system in a particular way.
+ *
+ * This function is only used when CONFIG_CMDLINE is not enabled.
+ *
+ * In normal situations this function should not return, since U-Boot will
+ * simply hang.
+ *
+ * @cmdline:	Command line string to execute
+ * @return 0 if OK, 1 for error
+ */
+int board_run_command(const char *cmdline);
 #endif	/* __ASSEMBLY__ */
 
 /*

@@ -164,21 +182,44 @@ void fixup_cmdtable(cmd_tbl_t *cmdtp, int size);
 # define _CMD_HELP(x)
 #endif
 
+#ifdef CONFIG_CMDLINE
 #define U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd,		\
 				_usage, _help, _comp)			\
 		{ #_name, _maxargs, _rep, _cmd, _usage,			\
 			_CMD_HELP(_help) _CMD_COMPLETE(_comp) }
 
-#define U_BOOT_CMD_MKENT(_name, _maxargs, _rep, _cmd, _usage, _help)	\
-	U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd,		\
-					_usage, _help, NULL)
-
 #define U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, _comp) \
 	ll_entry_declare(cmd_tbl_t, _name, cmd) =			\
 		U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd,	\
 						_usage, _help, _comp);
 
+#else
+#define U_BOOT_SUBCMD_START(name)	static cmd_tbl_t name[] = {};
+#define U_BOOT_SUBCMD_END
+
+#define _CMD_REMOVE(_name, _cmd)					\
+	int __remove_ ## _name(void)					\
+	{								\
+		if (0)							\
+			_cmd(NULL, 0, 0, NULL);				\
+		return 0;						\
+	}
+#define U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, _usage,	\
+				  _help, _comp)				\
+		{ #_name, _maxargs, _rep, 0 ? _cmd : NULL, _usage,	\
+			_CMD_HELP(_help) _CMD_COMPLETE(_comp) }
+
+#define U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help,	\
+			    _comp)				\
+	_CMD_REMOVE(sub_ ## _name, _cmd)
+
+#endif /* CONFIG_CMDLINE */
+
 #define U_BOOT_CMD(_name, _maxargs, _rep, _cmd, _usage, _help)		\
 	U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, NULL)
 
+#define U_BOOT_CMD_MKENT(_name, _maxargs, _rep, _cmd, _usage, _help)	\
+	U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd,		\
+					_usage, _help, NULL)
+
 #endif	/* __COMMAND_H */

index ddfe045..6b6ec00 100644
@@ -97,4 +97,14 @@
 # endif
 #endif
 
+#ifndef CONFIG_CMDLINE
+#undef CONFIG_CMDLINE_EDITING
+#undef CONFIG_SYS_LONGHELP
+#undef CONFIG_CMD_BOOTD
+#undef CONFIG_CMD_RUN
+#undef CONFIG_SYS_HUSH_PARSER
+#undef CONFIG_CMD_ASKENV
+#undef CONFIG_MENU
+#endif
+
 #endif	/* __CONFIG_FALLBACKS_H */