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authorPeter Tyser <ptyser@xes-inc.com>2009-10-16 17:36:25 -0500
committerWolfgang Denk <wd@denx.de>2009-11-23 00:06:11 +0100
commit6b8f5ad10f567362a3682840f59ba0fc470af319 (patch)
tree1611fa66c7f3947b4f20cf4287dc9b36a368e001 /common/cmd_help.c
parentdb6ab438d6e112b65b210f3ab00848e664c8f762 (diff)
command.c: Break commands out to appropriate cmd_*.c files
command.c should contain common code related to commands, not miscellaneous command implementations. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'common/cmd_help.c')
-rw-r--r--common/cmd_help.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/common/cmd_help.c b/common/cmd_help.c
new file mode 100644
index 00000000000..f01d14e47c2
--- /dev/null
+++ b/common/cmd_help.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+
+int do_help(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ return _do_help(&__u_boot_cmd_start,
+ &__u_boot_cmd_end - &__u_boot_cmd_start,
+ cmdtp, flag, argc, argv);
+}
+
+U_BOOT_CMD(
+ help, CONFIG_SYS_MAXARGS, 1, do_help,
+ "print online help",
+ "[command ...]\n"
+ " - show help information (for 'command')\n"
+ "'help' prints online help for the monitor commands.\n\n"
+ "Without arguments, it prints a short usage message for all commands.\n\n"
+ "To get detailed help information for specific commands you can type\n"
+ "'help' with one or more command names as arguments."
+);
+
+/* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
+#ifdef CONFIG_SYS_LONGHELP
+cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
+ "?", CONFIG_SYS_MAXARGS, 1, do_help,
+ "alias for 'help'",
+ ""
+};
+#else
+cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
+ "?", CONFIG_SYS_MAXARGS, 1, do_help,
+ "alias for 'help'"
+};
+#endif /* CONFIG_SYS_LONGHELP */