1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (c) 2015 Google, Inc
5 * (C) Copyright 2000-2002
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 #ifndef __DISPLAY_OPTIONS_H
10 #define __DISPLAY_OPTIONS_H
13 * print_size() - Print a size with a suffix
15 * Print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
16 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
19 * @size: Size to print
20 * @suffix String to print after the size
22 void print_size(uint64_t size, const char *suffix);
25 * print_freq() - Print a frequency with a suffix
27 * Print frequencies as "x.xx GHz", "xxx kHz", etc as needed; allow for
28 * optional trailing string (like "\n")
30 * @freq: Frequency to print in Hz
31 * @suffix String to print after the frequency
33 void print_freq(uint64_t freq, const char *suffix);
36 * print_buffer() - Print data buffer in hex and ascii form
38 * Data reads are buffered so that each memory address is only read once.
39 * This is useful when displaying the contents of volatile registers.
41 * @addr: Starting address to display at start of line
42 * @data: pointer to data buffer
43 * @width: data value width. May be 1, 2, or 4.
44 * @count: number of values to display
45 * @linelen: Number of values to print per line; specify 0 for default length
47 int print_buffer(ulong addr, const void *data, uint width, uint count,
51 * Maximum length of an output line is when width == 1
53 * a space, two hex digits and an ASCII character for each byte
54 * 2 spaces between the hex and ASCII
57 #define HEXDUMP_MAX_BUF_LENGTH(bytes) (9 + (bytes) * 4 + 3)
60 * hexdump_line() - Print out a single line of a hex dump
62 * @addr: Starting address to display at start of line
63 * @data: pointer to data buffer
64 * @width: data value width. May be 1, 2, or 4.
65 * @count: number of values to display
66 * @linelen: Number of values to print per line; specify 0 for default length
67 * @out: Output buffer to hold the dump
68 * @size: Size of output buffer in bytes
69 * Return: number of bytes processed, if OK, -ENOSPC if buffer too small
72 int hexdump_line(ulong addr, const void *data, uint width, uint count,
73 uint linelen, char *out, int size);
76 * display_options() - display the version string / build tag
78 * This displays the U-Boot version string. If a build tag is available this
81 int display_options(void);
83 /* Suggested length of the buffer to pass to display_options_get_banner() */
84 #define DISPLAY_OPTIONS_BANNER_LENGTH 200
87 * display_options_get_banner() - Get the U-Boot banner as a string
89 * This returns the U-Boot banner string
91 * @newlines: true to include two newlines at the start
92 * @buf: place to put string
93 * @size: Size of buf (string is truncated to fit)
96 char *display_options_get_banner(bool newlines, char *buf, int size);
98 /* This function is used for testing only */
99 char *display_options_get_banner_priv(bool newlines, const char *build_tag,
100 char *buf, int size);