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https://github.com/AsahiLinux/u-boot
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b612312816
When recording the console output for testing it is useful to be able to read the output a line at a time to check that the output is correct. Also we need to check that we get to the end of the output. Add a console function to return the next line and another to see how must data is left. Signed-off-by: Simon Glass <sjg@chromium.org>
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2000-2009
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#ifndef __CONSOLE_H
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#define __CONSOLE_H
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extern char console_buffer[];
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/* common/console.c */
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int console_init_f(void); /* Before relocation; uses the serial stuff */
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int console_init_r(void); /* After relocation; uses the console stuff */
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int console_assign(int file, const char *devname); /* Assign the console */
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int ctrlc(void);
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int had_ctrlc(void); /* have we had a Control-C since last clear? */
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void clear_ctrlc(void); /* clear the Control-C condition */
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int disable_ctrlc(int); /* 1 to disable, 0 to enable Control-C detect */
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int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */
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/**
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* console_record_init() - set up the console recording buffers
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*
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* This should be called as soon as malloc() is available so that the maximum
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* amount of console output can be recorded.
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*/
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int console_record_init(void);
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/**
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* console_record_reset() - reset the console recording buffers
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*
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* Removes any data in the buffers
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*/
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void console_record_reset(void);
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/**
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* console_record_reset_enable() - reset and enable the console buffers
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*
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* This should be called to enable the console buffer.
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*/
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void console_record_reset_enable(void);
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/**
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* console_record_readline() - Read a line from the console output
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*
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* This reads the next available line from the console output previously
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* recorded.
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*
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* @str: Place to put string
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* @maxlen: Maximum length of @str including nul terminator
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* @return length of string returned
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*/
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int console_record_readline(char *str, int maxlen);
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/**
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* console_record_avail() - Get the number of available bytes in console output
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*
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* @return available bytes (0 if empty)
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*/
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int console_record_avail(void);
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/**
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* console_announce_r() - print a U-Boot console on non-serial consoles
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*
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* When U-Boot starts up with a display it generally does not announce itself
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* on the display. The banner is instead emitted on the UART before relocation.
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* This function prints a banner on devices which (we assume) did not receive
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* it before relocation.
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*
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* @return 0 (meaning no errors)
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*/
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int console_announce_r(void);
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/*
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* CONSOLE multiplexing.
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*/
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#ifdef CONFIG_CONSOLE_MUX
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#include <iomux.h>
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#endif
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#endif
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