1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 extern char console_buffer[];
12 /* common/console.c */
13 int console_init_f(void); /* Before relocation; uses the serial stuff */
14 int console_init_r(void); /* After relocation; uses the console stuff */
15 int console_assign(int file, const char *devname); /* Assign the console */
17 int had_ctrlc(void); /* have we had a Control-C since last clear? */
18 void clear_ctrlc(void); /* clear the Control-C condition */
19 int disable_ctrlc(int); /* 1 to disable, 0 to enable Control-C detect */
20 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */
23 * console_record_init() - set up the console recording buffers
25 * This should be called as soon as malloc() is available so that the maximum
26 * amount of console output can be recorded.
28 int console_record_init(void);
31 * console_record_reset() - reset the console recording buffers
33 * Removes any data in the buffers
35 void console_record_reset(void);
38 * console_record_reset_enable() - reset and enable the console buffers
40 * This should be called to enable the console buffer.
42 void console_record_reset_enable(void);
45 * console_record_readline() - Read a line from the console output
47 * This reads the next available line from the console output previously
50 * @str: Place to put string
51 * @maxlen: Maximum length of @str including nul terminator
52 * @return length of string returned
54 int console_record_readline(char *str, int maxlen);
57 * console_record_avail() - Get the number of available bytes in console output
59 * @return available bytes (0 if empty)
61 int console_record_avail(void);
64 * console_announce_r() - print a U-Boot console on non-serial consoles
66 * When U-Boot starts up with a display it generally does not announce itself
67 * on the display. The banner is instead emitted on the UART before relocation.
68 * This function prints a banner on devices which (we assume) did not receive
69 * it before relocation.
71 * @return 0 (meaning no errors)
73 int console_announce_r(void);
76 * CONSOLE multiplexing.
78 #ifdef CONFIG_CONSOLE_MUX