coreboot-kgpe-d16/src/include/crc_byte.h
Patrick Georgi 6b5bc77c9b treewide: Remove "this file is part of" lines
Stefan thinks they don't add value.

Command used:
sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool)

The exceptions are for:
 - crossgcc (patch file)
 - gcov (imported from gcc)
 - elf.h (imported from GNU's libc)
 - nvramtool (more complicated header)

The removed lines are:
-       fmt.Fprintln(f, "/* This file is part of the coreboot project. */")
-# This file is part of a set of unofficial pre-commit hooks available
-/* This file is part of coreboot */
-# This file is part of msrtool.
-/* This file is part of msrtool. */
- * This file is part of ncurses, designed to be appended after curses.h.in
-/* This file is part of pgtblgen. */
- * This file is part of the coreboot project.
- /* This file is part of the coreboot project. */
-#  This file is part of the coreboot project.
-# This file is part of the coreboot project.
-## This file is part of the coreboot project.
--- This file is part of the coreboot project.
-/* This file is part of the coreboot project */
-/* This file is part of the coreboot project. */
-;## This file is part of the coreboot project.
-# This file is part of the coreboot project. It originated in the
- * This file is part of the coreinfo project.
-## This file is part of the coreinfo project.
- * This file is part of the depthcharge project.
-/* This file is part of the depthcharge project. */
-/* This file is part of the ectool project. */
- * This file is part of the GNU C Library.
- * This file is part of the libpayload project.
-## This file is part of the libpayload project.
-/* This file is part of the Linux kernel. */
-## This file is part of the superiotool project.
-/* This file is part of the superiotool project */
-/* This file is part of uio_usbdebug */

Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-05-11 17:11:40 +00:00

46 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef CRC_BYTE_H
#define CRC_BYTE_H
#include <stdint.h>
/* This function is used to calculate crc7 byte by byte, with polynomial
* x^7 + x^3 + 1.
*
* prev_crc: old crc result (0 for first)
* data: new byte
* return value: new crc result
*/
uint8_t crc7_byte(uint8_t prev_crc, uint8_t data);
/* This function is used to calculate crc16 byte by byte, with polynomial
* x^16 + x^12 + x^5 + 1.
*
* prev_crc: old crc result (0 for first)
* data: new byte
* return value: new crc result
*/
uint16_t crc16_byte(uint16_t prev_crc, uint8_t data);
/* This function is used to calculate crc32 byte by byte, with polynomial
* x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 +
* x^5 + x^4 + x^2 + x + 1
*
* prev_crc: old crc result (0 for first)
* data: new byte
* return value: new crc result
*/
uint32_t crc32_byte(uint32_t prev_crc, uint8_t data);
#define CRC(buf, size, crc_func) ({ \
const uint8_t *_crc_local_buf = (const uint8_t *)buf; \
size_t _crc_local_size = size; \
__typeof__(crc_func(0, 0)) _crc_local_result = 0; \
while (_crc_local_size--) { \
_crc_local_result = crc_func(_crc_local_result, *_crc_local_buf++); \
} \
_crc_local_result; \
})
#endif /* CRC_BYTE_H */