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author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
commit | 9e80202352dd49bdd9e67b8b906d86f058431505 (patch) | |
tree | 5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/roms/u-boot/include/linux/crc8.h | |
download | hqemu-master.zip hqemu-master.tar.gz |
Diffstat (limited to 'src/roms/u-boot/include/linux/crc8.h')
-rw-r--r-- | src/roms/u-boot/include/linux/crc8.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/roms/u-boot/include/linux/crc8.h b/src/roms/u-boot/include/linux/crc8.h new file mode 100644 index 0000000..b5fd2ac --- /dev/null +++ b/src/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 |