FreeBSD/Linux Kernel Cross Reference
sys/kern/subr_early.c
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: releng/12.0/sys/kern/subr_early.c 339323 2018-10-12 00:32:45Z mjg $
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: releng/12.0/sys/kern/subr_early.c 339323 2018-10-12 00:32:45Z mjg $");
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
42 void *MEMSET_EARLY_FUNC(void *, int, size_t);
43 #endif
44
45 void *
46 memset_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
55 void *MEMCPY_EARLY_FUNC(void *, const void *, size_t);
56 #endif
57
58 void *
59 memcpy_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
68 void *MEMMOVE_EARLY_FUNC(void *, const void *, size_t);
69 #endif
70
71 void *
72 memmove_early(void *to, const void *from, size_t len)
73 {
74
75 return (MEMMOVE_EARLY_FUNC(to, from, len));
76 }
Cache object: df35cc0ea2965038d15aed3188b27e6a
|