When CONFIG_CMDLINE is disabled we need to remove all the command-line code. Most can be removed by dropping the appropriate linker lists from the images, but sub-commands must be dealt with specially.
A simple mechanism is used to avoid 'unused static function' errors.
Signed-off-by: Simon Glass sjg@chromium.org ---
include/command.h | 49 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 45 insertions(+), 4 deletions(-)
diff --git a/include/command.h b/include/command.h index 0524c0b..08f0486 100644 --- a/include/command.h +++ b/include/command.h @@ -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 */