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18d66533ac
Move the CLI prototypes from common.h to cli.h as part of an effort to reduce the size of common.h. Signed-off-by: Simon Glass <sjg@chromium.org>
103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/*
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* (C) Copyright 2014 Google, Inc
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* Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CLI_H
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#define __CLI_H
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/**
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* Go into the command loop
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*
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* This will return if we get a timeout waiting for a command. See
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* CONFIG_BOOT_RETRY_TIME.
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*/
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void cli_loop(void);
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/**
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* cli_simple_run_command() - Execute a command with the simple CLI
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*
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* @cmd: String containing the command to execute
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* @flag Flag value - see CMD_FLAG_...
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* @return 1 - command executed, repeatable
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* 0 - command executed but not repeatable, interrupted commands are
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* always considered not repeatable
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* -1 - not executed (unrecognized, bootd recursion or too many args)
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* (If cmd is NULL or "" or longer than CONFIG_SYS_CBSIZE-1 it is
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* considered unrecognized)
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*/
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int cli_simple_run_command(const char *cmd, int flag);
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/**
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* cli_simple_run_command_list() - Execute a list of command
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*
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* The commands should be separated by ; or \n and will be executed
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* by the built-in parser.
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*
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* This function cannot take a const char * for the command, since if it
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* finds newlines in the string, it replaces them with \0.
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*
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* @param cmd String containing list of commands
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* @param flag Execution flags (CMD_FLAG_...)
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* @return 0 on success, or != 0 on error.
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*/
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int cli_simple_run_command_list(char *cmd, int flag);
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/**
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* cli_readline() - read a line into the console_buffer
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*
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* This is a convenience function which calls cli_readline_into_buffer().
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*
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* @prompt: Prompt to display
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* @return command line length excluding terminator, or -ve on error
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*/
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int readline(const char *const prompt);
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/**
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* readline_into_buffer() - read a line into a buffer
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*
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* Display the prompt, then read a command line into @buffer. The
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* maximum line length is CONFIG_SYS_CBSIZE including a \0 terminator, which
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* will always be added.
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*
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* The command is echoed as it is typed. Command editing is supported if
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* CONFIG_CMDLINE_EDITING is defined. Tab auto-complete is supported if
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* CONFIG_AUTO_COMPLETE is defined. If CONFIG_BOOT_RETRY_TIME is defined,
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* then a timeout will be applied.
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*
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* If CONFIG_BOOT_RETRY_TIME is defined and retry_time >= 0,
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* time out when time goes past endtime (timebase time in ticks).
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*
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* @prompt: Prompt to display
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* @buffer: Place to put the line that is entered
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* @timeout: Timeout in milliseconds, 0 if none
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* @return command line length excluding terminator, or -ve on error: of the
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* timeout is exceeded (either CONFIG_BOOT_RETRY_TIME or the timeout
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* parameter), then -2 is returned. If a break is detected (Ctrl-C) then
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* -1 is returned.
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*/
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int readline_into_buffer(const char *const prompt, char *buffer, int timeout);
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/**
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* parse_line() - split a command line down into separate arguments
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*
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* The argv[] array is filled with pointers into @line, and each argument
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* is terminated by \0 (i.e. @line is changed in the process unless there
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* is only one argument).
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*
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* #argv is terminated by a NULL after the last argument pointer.
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*
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* At most CONFIG_SYS_MAXARGS arguments are permited - if there are more
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* than that then an error is printed, and this function returns
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* CONFIG_SYS_MAXARGS, with argv[] set up to that point.
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*
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* @line: Command line to parse
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* @args: Array to hold arguments
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* @return number of arguments
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*/
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int parse_line(char *line, char *argv[]);
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#endif
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