xref: /netbsd-src/sys/arch/ia64/stand/efi/libefi/copy.c (revision 693c3770f5346fd622b76637d4e4a33b9fa5606b)
1 /*	$NetBSD: copy.c,v 1.5 2016/08/04 18:07:43 scole Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
5  * All rights reserved.
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 
29 #include <sys/cdefs.h>
30 
31 /* __FBSDID("$FreeBSD: src/sys/boot/efi/libefi/copy.c,v 1.5 2003/04/03 21:36:29 obrien Exp $");
32  */
33 
34 #include <efi.h>
35 #include <efilib.h>
36 #include <lib/libsa/stand.h>
37 
38 #include <machine/efilib.h>
39 
40 int
efi_copyin(void * src,vaddr_t va,size_t len)41 efi_copyin(void *src, vaddr_t va, size_t len)
42 {
43 
44 	memcpy((void *)efimd_va2pa(va), src, len);
45 	return (len);
46 }
47 
48 int
efi_copyout(vaddr_t va,void * dst,size_t len)49 efi_copyout(vaddr_t va, void *dst, size_t len)
50 {
51 
52 	memcpy(dst, (void *)efimd_va2pa(va), len);
53 	return (len);
54 }
55 
56 int
efi_readin(int fd,vaddr_t va,size_t len)57 efi_readin(int fd, vaddr_t va, size_t len)
58 {
59 
60 	return (read(fd, (void *)efimd_va2pa(va), len));
61 }
62