FreeBSD kernel kern code
subr_early.c
Go to the documentation of this file.
1/*-
2 * Copyright (c) 2018 The FreeBSD Foundation
3 *
4 * This software was developed by Mateusz Guzik <mjg@FreeBSD.org>
5 * under sponsorship from the FreeBSD Foundation.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <sys/param.h>
35#include <sys/types.h>
36#include <sys/systm.h>
37#include <machine/cpu.h>
38
39#ifndef MEMSET_EARLY_FUNC
40#define MEMSET_EARLY_FUNC memset
41#else
42void *MEMSET_EARLY_FUNC(void *, int, size_t);
43#endif
44
45void *
46memset_early(void *buf, int c, size_t len)
47{
48
49 return (MEMSET_EARLY_FUNC(buf, c, len));
50}
51
52#ifndef MEMCPY_EARLY_FUNC
53#define MEMCPY_EARLY_FUNC memcpy
54#else
55void *MEMCPY_EARLY_FUNC(void *, const void *, size_t);
56#endif
57
58void *
59memcpy_early(void *to, const void *from, size_t len)
60{
61
62 return (MEMCPY_EARLY_FUNC(to, from, len));
63}
64
65#ifndef MEMMOVE_EARLY_FUNC
66#define MEMMOVE_EARLY_FUNC memmove
67#else
68void *MEMMOVE_EARLY_FUNC(void *, const void *, size_t);
69#endif
70
71void *
72memmove_early(void *to, const void *from, size_t len)
73{
74
75 return (MEMMOVE_EARLY_FUNC(to, from, len));
76}
void * memmove_early(void *to, const void *from, size_t len)
Definition: subr_early.c:72
void * memset_early(void *buf, int c, size_t len)
Definition: subr_early.c:46
void * memcpy_early(void *to, const void *from, size_t len)
Definition: subr_early.c:59
#define MEMSET_EARLY_FUNC
Definition: subr_early.c:40
#define MEMMOVE_EARLY_FUNC
Definition: subr_early.c:66
__FBSDID("$FreeBSD$")
#define MEMCPY_EARLY_FUNC
Definition: subr_early.c:53
struct stat * buf