diff options
author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
---|---|---|
committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/include/crc.h | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/include/crc.h')
-rw-r--r-- | roms/u-boot/include/crc.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/roms/u-boot/include/crc.h b/roms/u-boot/include/crc.h new file mode 100644 index 00000000..5085d4ed --- /dev/null +++ b/roms/u-boot/include/crc.h @@ -0,0 +1,69 @@ +/* + *========================================================================== + * + * crc.h + * + * Interface for the CRC algorithms. + * + *========================================================================== + * SPDX-License-Identifier: eCos-2.0 + *========================================================================== + *#####DESCRIPTIONBEGIN#### + * + * Author(s): Andrew Lunn + * Contributors: Andrew Lunn + * Date: 2002-08-06 + * Purpose: + * Description: + * + * This code is part of eCos (tm). + * + *####DESCRIPTIONEND#### + * + *========================================================================== + */ + +#ifndef _SERVICES_CRC_CRC_H_ +#define _SERVICES_CRC_CRC_H_ + +#include <linux/types.h> + +#ifndef __externC +# ifdef __cplusplus +# define __externC extern "C" +# else +# define __externC extern +# endif +#endif + +/* Compute a CRC, using the POSIX 1003 definition */ +extern uint32_t +cyg_posix_crc32(unsigned char *s, int len); + +/* Gary S. Brown's 32 bit CRC */ + +extern uint32_t +cyg_crc32(unsigned char *s, int len); + +/* Gary S. Brown's 32 bit CRC, but accumulate the result from a */ +/* previous CRC calculation */ + +extern uint32_t +cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len); + +/* Ethernet FCS Algorithm */ + +extern uint32_t +cyg_ether_crc32(unsigned char *s, int len); + +/* Ethernet FCS algorithm, but accumulate the result from a previous */ +/* CRC calculation. */ + +extern uint32_t +cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len); + +/* 16 bit CRC with polynomial x^16+x^12+x^5+1 */ + +extern uint16_t cyg_crc16(unsigned char *s, int len); + +#endif /* _SERVICES_CRC_CRC_H_ */ |