1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
12 extern char console_buffer[];
14 /* common/console.c */
15 int console_init_f(void); /* Before relocation; uses the serial stuff */
16 int console_init_r(void); /* After relocation; uses the console stuff */
17 int console_assign(int file, const char *devname); /* Assign the console */
19 int had_ctrlc(void); /* have we had a Control-C since last clear? */
20 void clear_ctrlc(void); /* clear the Control-C condition */
21 int disable_ctrlc(int); /* 1 to disable, 0 to enable Control-C detect */
22 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */
25 * console_record_init() - set up the console recording buffers
27 * This should be called as soon as malloc() is available so that the maximum
28 * amount of console output can be recorded.
30 int console_record_init(void);
33 * console_record_reset() - reset the console recording buffers
35 * Removes any data in the buffers
37 void console_record_reset(void);
40 * console_record_reset_enable() - reset and enable the console buffers
42 * This should be called to enable the console buffer.
44 void console_record_reset_enable(void);
47 * console_record_readline() - Read a line from the console output
49 * This reads the next available line from the console output previously
52 * @str: Place to put string
53 * @maxlen: Maximum length of @str including nul terminator
54 * @return length of string returned
56 int console_record_readline(char *str, int maxlen);
59 * console_record_avail() - Get the number of available bytes in console output
61 * @return available bytes (0 if empty)
63 int console_record_avail(void);
66 * console_announce_r() - print a U-Boot console on non-serial consoles
68 * When U-Boot starts up with a display it generally does not announce itself
69 * on the display. The banner is instead emitted on the UART before relocation.
70 * This function prints a banner on devices which (we assume) did not receive
71 * it before relocation.
73 * @return 0 (meaning no errors)
75 int console_announce_r(void);
78 * console_puts_select_stderr() - Output a string to selected console devices
80 * This writes to stderr only. It is useful for outputting errors
82 * @serial_only: true to output only to serial, false to output to everything
84 * @s: String to output
86 void console_puts_select_stderr(bool serial_only, const char *s);
89 * CONSOLE multiplexing.
91 #ifdef CONFIG_CONSOLE_MUX