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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/include/linux/crc8.h | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/include/linux/crc8.h')
-rw-r--r-- | roms/u-boot/include/linux/crc8.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/roms/u-boot/include/linux/crc8.h b/roms/u-boot/include/linux/crc8.h new file mode 100644 index 00000000..b5fd2ac9 --- /dev/null +++ b/roms/u-boot/include/linux/crc8.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + +#ifndef __linux_crc8_h +#define __linux_crc8_h + +/** + * crc8() - Calculate and return CRC-8 of the data + * + * This uses an x^8 + x^2 + x + 1 polynomial. A table-based algorithm would + * be faster, but for only a few bytes it isn't worth the code size + * + * @vptr: Buffer to checksum + * @len: Length of buffer in bytes + * @return CRC8 checksum + */ +unsigned int crc8(const unsigned char *vptr, int len); + +#endif |