X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fcommand.h;h=04cd1e745cbfbbb4fa15170ff2181160e1fbde84;hb=67a2616af18bbb38905b90ed1c6b66659671e1da;hp=1f06aa1819023c0869b5c30ddeff4fe949becf19;hpb=b3873d3f4c424e6563750bb517fac03c2e833cdc;p=u-boot diff --git a/include/command.h b/include/command.h index 1f06aa1819..04cd1e745c 100644 --- a/include/command.h +++ b/include/command.h @@ -1,24 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) 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 */ /* @@ -27,7 +10,7 @@ #ifndef __COMMAND_H #define __COMMAND_H -#include +#include #ifndef NULL #define NULL 0 @@ -61,8 +44,6 @@ struct cmd_tbl_s { typedef struct cmd_tbl_s cmd_tbl_t; -extern cmd_tbl_t __u_boot_cmd_start; -extern cmd_tbl_t __u_boot_cmd_end; #if defined(CONFIG_CMD_RUN) extern int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); @@ -81,6 +62,15 @@ extern int var_complete(int argc, char * const argv[], char last_char, int maxv, extern int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp); #endif +/** + * cmd_process_error() - report and process a possible error + * + * @cmdtp: Command which caused the error + * @err: Error code (0 if none, -ve for error, like -EIO) + * @return 0 if there is not error, 1 (CMD_RET_FAILURE) if an error is found + */ +int cmd_process_error(cmd_tbl_t *cmdtp, int err); + /* * Monitor Command * @@ -89,11 +79,10 @@ extern int cmd_auto_complete(const char *const prompt, char *buf, int *np, int * * void function (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); */ -#if defined(CONFIG_CMD_MEMORY) \ - || defined(CONFIG_CMD_I2C) \ - || defined(CONFIG_CMD_ITEST) \ - || defined(CONFIG_CMD_PCI) \ - || defined(CONFIG_CMD_PORTIO) +#if defined(CONFIG_CMD_MEMORY) || \ + defined(CONFIG_CMD_I2C) || \ + defined(CONFIG_CMD_ITEST) || \ + defined(CONFIG_CMD_PCI) #define CMD_DATA_SIZE extern int cmd_get_data_size(char* arg, int default_size); #endif @@ -111,11 +100,18 @@ static inline int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd) } #endif +extern int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); + +extern int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); + extern int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc, char *const argv[]); extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); +extern int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); +extern unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc, + char * const argv[]); /* * Error codes that commands return to cmd_process(). We use the standard 0 * and 1 for success and failure, but add one more case - failure with a @@ -140,11 +136,32 @@ enum command_ret_t { * @param repeatable This function sets this to 0 if the command is not * repeatable. If the command is repeatable, the value * is left unchanged. + * @param ticks If ticks is not null, this function set it to the + * number of ticks the command took to complete. * @return 0 if the command succeeded, 1 if it failed */ int cmd_process(int flag, int argc, char * const argv[], - int *repeatable); + 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__ */ /* @@ -152,9 +169,7 @@ int cmd_process(int flag, int argc, char * const argv[], */ #define CMD_FLAG_REPEAT 0x0001 /* repeat last command */ #define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */ - -#define Struct_Section __attribute__((unused, section(".u_boot_cmd"), \ - aligned(4))) +#define CMD_FLAG_ENV 0x0004 /* command is from the environment */ #ifdef CONFIG_AUTO_COMPLETE # define _CMD_COMPLETE(x) x, @@ -167,21 +182,44 @@ int cmd_process(int flag, int argc, char * const argv[], # define _CMD_HELP(x) #endif -#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) \ - cmd_tbl_t __u_boot_cmd_##name Struct_Section = \ - U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) +#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(name,maxargs,rep,cmd,usage,help) \ - U_BOOT_CMD_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); -#if defined(CONFIG_NEEDS_MANUAL_RELOC) -void fixup_cmdtable(cmd_tbl_t *cmdtp, int size); -#endif +#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 */