coreboot-libre-fam15h-rdimm/3rdparty/ffs/clib/checksum.h

51 lines
2.5 KiB
C

/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: clib/checksum.h $ */
/* */
/* OpenPOWER FFS Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/*! @file checksum.h
* @brief Simple XOR checksum
* @author Mike Kobler <mkobler@us.ibm.com>
* @date 2007-2012
*/
#ifndef __CHECKSUM_H__
#define __CHECKSUM_H__
#include <stdint.h>
/*!
* @brief Copy bytes from the source reference to the destination reference
* while computing a 32-bit checksum
* @param __dst [in] Destination reference
* @param __src [in] Source reference (must be 4 byte aligned)
* @param __n [in] Number of bytes to copy / compute
* @return 32-bit Checksum value
*/
extern uint32_t memcpy_checksum(void *__restrict __dst,
const void *__restrict __src, size_t __n)
/*! @cond */
__THROW __nonnull((2)) /*! @endcond */ ;
#endif /* __CHECKSUM_H__ */