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author | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:21:52 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:48:38 +0800 |
commit | ae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch) | |
tree | 6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/display_options.h | |
download | uext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz |
import the U-Boot code and make it compile
Diffstat (limited to 'include/display_options.h')
-rw-r--r-- | include/display_options.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/display_options.h b/include/display_options.h new file mode 100644 index 0000000..a0dabca --- /dev/null +++ b/include/display_options.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2015 Google, Inc + * + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + */ + +#ifndef __DISPLAY_OPTIONS_H +#define __DISPLAY_OPTIONS_H + +/** + * print_size() - Print a size with a suffix + * + * Print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", + * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string + * (like "\n") + * + * @size: Size to print + * @suffix String to print after the size + */ +void print_size(uint64_t size, const char *suffix); + +/** + * print_freq() - Print a frequency with a suffix + * + * Print frequencies as "x.xx GHz", "xxx KHz", etc as needed; allow for + * optional trailing string (like "\n") + * + * @freq: Frequency to print in Hz + * @suffix String to print after the frequency + */ +void print_freq(uint64_t freq, const char *suffix); + +/** + * print_buffer() - Print data buffer in hex and ascii form + * + * Data reads are buffered so that each memory address is only read once. + * This is useful when displaying the contents of volatile registers. + * + * @addr: Starting address to display at start of line + * @data: pointer to data buffer + * @width: data value width. May be 1, 2, or 4. + * @count: number of values to display + * @linelen: Number of values to print per line; specify 0 for default length + */ +int print_buffer(ulong addr, const void *data, uint width, uint count, + uint linelen); + +/** + * display_options() - display the version string / build tag + * + * This displays the U-Boot version string. If a build tag is available this + * is displayed also. + */ +int display_options(void); + +/* Suggested length of the buffer to pass to display_options_get_banner() */ +#define DISPLAY_OPTIONS_BANNER_LENGTH 200 + +/** + * display_options_get_banner() - Get the U-Boot banner as a string + * + * This returns the U-Boot banner string + * + * @newlines: true to include two newlines at the start + * @buf: place to put string + * @size: Size of buf (string is truncated to fit) + * @return buf + */ +char *display_options_get_banner(bool newlines, char *buf, int size); + +/* This function is used for testing only */ +char *display_options_get_banner_priv(bool newlines, const char *build_tag, + char *buf, int size); + +#endif |