freebsd-dev/sys/kern/subr_early.c

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/*-
* Copyright (c) 2018 The FreeBSD Foundation
*
* This software was developed by Mateusz Guzik <mjg@FreeBSD.org>
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <machine/cpu.h>
#ifndef MEMSET_EARLY_FUNC
#define MEMSET_EARLY_FUNC memset
#else
void *MEMSET_EARLY_FUNC(void *, int, size_t);
#endif
void *
memset_early(void *buf, int c, size_t len)
{
return (MEMSET_EARLY_FUNC(buf, c, len));
}
#ifndef MEMCPY_EARLY_FUNC
#define MEMCPY_EARLY_FUNC memcpy
#else
void *MEMCPY_EARLY_FUNC(void *, const void *, size_t);
#endif
void *
memcpy_early(void *to, const void *from, size_t len)
{
return (MEMCPY_EARLY_FUNC(to, from, len));
}
#ifndef MEMMOVE_EARLY_FUNC
#define MEMMOVE_EARLY_FUNC memmove
#else
void *MEMMOVE_EARLY_FUNC(void *, const void *, size_t);
#endif
void *
memmove_early(void *to, const void *from, size_t len)
{
return (MEMMOVE_EARLY_FUNC(to, from, len));
}