copy.c revision 113038 
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: head/sys/boot/ia64/common/copy.c 113038 2003-04-03 21:36:33Z obrien $");
29
30/*
31 * MD primitives supporting placement of module data
32 */
33#include <stand.h>
34
35#include <efi.h>
36#include <efilib.h>
37#include <machine/ia64_cpu.h>
38#include <machine/vmparam.h>
39
40int
41efi_copyin(void *src, vm_offset_t dest, size_t len)
42{
43	EFI_PHYSICAL_ADDRESS p = IA64_RR_MASK(dest);
44#if 0
45	BS->AllocatePages(AllocateAddress, EfiRuntimeServicesData,
46			  len >> 12, &p);
47#endif
48	bcopy(src, (void*) p, len);
49	return (len);
50}
51
52int
53efi_copyout(vm_offset_t src, void *dest, size_t len)
54{
55	bcopy((void*) IA64_RR_MASK(src), dest, len);
56	return (len);
57}
58
59int
60efi_readin(int fd, vm_offset_t dest, size_t len)
61{
62	EFI_PHYSICAL_ADDRESS p = IA64_RR_MASK(dest);
63#if 0
64	BS->AllocatePages(AllocateAddress, EfiRuntimeServicesData,
65			  len >> 12, &p);
66#endif
67	return (read(fd, (void*) p, len));
68}
69