103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2015 Google, Inc
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*
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* (C) Copyright 2000-2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#ifndef __DISPLAY_OPTIONS_H
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#define __DISPLAY_OPTIONS_H
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/**
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* print_size() - Print a size with a suffix
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*
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* Print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
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* xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
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* (like "\n")
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*
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* @size: Size to print
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* @suffix String to print after the size
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*/
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void print_size(uint64_t size, const char *suffix);
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/**
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* print_freq() - Print a frequency with a suffix
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*
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* Print frequencies as "x.xx GHz", "xxx kHz", etc as needed; allow for
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* optional trailing string (like "\n")
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*
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* @freq: Frequency to print in Hz
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* @suffix String to print after the frequency
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*/
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void print_freq(uint64_t freq, const char *suffix);
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/**
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* print_buffer() - Print data buffer in hex and ascii form
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*
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* Data reads are buffered so that each memory address is only read once.
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* This is useful when displaying the contents of volatile registers.
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*
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* @addr: Starting address to display at start of line
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* @data: pointer to data buffer
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* @width: data value width. May be 1, 2, or 4.
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* @count: number of values to display
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* @linelen: Number of values to print per line; specify 0 for default length
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*/
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int print_buffer(ulong addr, const void *data, uint width, uint count,
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uint linelen);
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/*
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* Maximum length of an output line is when width == 1
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* 9 for address,
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* a space, two hex digits and an ASCII character for each byte
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* 2 spaces between the hex and ASCII
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* \0 terminator
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*/
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#define HEXDUMP_MAX_BUF_LENGTH(bytes) (9 + (bytes) * 4 + 3)
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/**
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* hexdump_line() - Print out a single line of a hex dump
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*
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* @addr: Starting address to display at start of line
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* @data: pointer to data buffer
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* @width: data value width. May be 1, 2, or 4.
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* @count: number of values to display
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* @linelen: Number of values to print per line; specify 0 for default length
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* @out: Output buffer to hold the dump
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* @size: Size of output buffer in bytes
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* Return: number of bytes processed, if OK, -ENOSPC if buffer too small
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*
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*/
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int hexdump_line(ulong addr, const void *data, uint width, uint count,
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uint linelen, char *out, int size);
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/**
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* display_options() - display the version string / build tag
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*
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* This displays the U-Boot version string. If a build tag is available this
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* is displayed also.
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*/
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int display_options(void);
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/* Suggested length of the buffer to pass to display_options_get_banner() */
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#define DISPLAY_OPTIONS_BANNER_LENGTH 200
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/**
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* display_options_get_banner() - Get the U-Boot banner as a string
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*
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* This returns the U-Boot banner string
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*
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* @newlines: true to include two newlines at the start
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* @buf: place to put string
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* @size: Size of buf (string is truncated to fit)
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* Return: buf
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*/
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char *display_options_get_banner(bool newlines, char *buf, int size);
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/* This function is used for testing only */
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char *display_options_get_banner_priv(bool newlines, const char *build_tag,
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char *buf, int size);
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#endif
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