xref: /illumos-gate/usr/src/boot/efi/loader/arch/i386/i386_copy.c (revision 533affcbc7fc4d0c8132976ea454aaa715fe2307)
1 /*-
2  * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 /*
31  * MD primitives supporting placement of module data
32  *
33  * XXX should check load address/size against memory top.
34  */
35 #include <stand.h>
36 
37 #include "libi386.h"
38 #include "btxv86.h"
39 
40 ssize_t
41 i386_copyin(const void *src, vm_offset_t dest, const size_t len)
42 {
43     bcopy(src, PTOV(dest), len);
44     return(len);
45 }
46 
47 ssize_t
48 i386_copyout(const vm_offset_t src, void *dest, const size_t len)
49 {
50     bcopy(PTOV(src), dest, len);
51     return(len);
52 }
53 
54 
55 ssize_t
56 i386_readin(const int fd, vm_offset_t dest, const size_t len)
57 {
58     return (read(fd, PTOV(dest), len));
59 }
60