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copy.c (177152) copy.c (235694)
1/*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 12 unchanged lines hidden (view full) ---

21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 12 unchanged lines hidden (view full) ---

21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: head/sys/boot/uboot/lib/copy.c 177152 2008-03-13 17:54:21Z obrien $");
29__FBSDID("$FreeBSD: head/sys/boot/uboot/lib/copy.c 235694 2012-05-20 18:07:35Z kientzle $");
30
31#include <stand.h>
30
31#include <stand.h>
32#include <stdint.h>
32
33
34#include "api_public.h"
35#include "glue.h"
36
33/*
34 * MD primitives supporting placement of module data
37/*
38 * MD primitives supporting placement of module data
35 *
36 * XXX should check load address/size against memory top.
37 */
38
39 */
40
41void *
42uboot_vm_translate(vm_offset_t o) {
43 struct sys_info *si;
44 static uintptr_t start = 0;
45 static size_t size = 0;
46 int i;
47
48 if (size == 0) {
49 if ((si = ub_get_sys_info()) == NULL)
50 panic("could not retrieve system info");
51
52 /* Find start/size of largest DRAM block. */
53 for (i = 0; i < si->mr_no; i++) {
54 if (si->mr[i].flags == MR_ATTR_DRAM
55 && si->mr[i].size > size) {
56 start = si->mr[i].start;
57 size = si->mr[i].size;
58 }
59 }
60
61 if (size <= 0)
62 panic("No suitable DRAM?\n");
63 /*
64 printf("Loading into memory region 0x%08X-0x%08X (%d MiB)\n",
65 start, start + size, size / 1024 / 1024);
66 */
67 }
68 if (o > size)
69 panic("Address 0x%08jX bigger than size 0x%08X\n",
70 (intmax_t)o, size);
71 return (void *)(start + o);
72}
73
39ssize_t
40uboot_copyin(const void *src, vm_offset_t dest, const size_t len)
41{
74ssize_t
75uboot_copyin(const void *src, vm_offset_t dest, const size_t len)
76{
42
43 bcopy(src, (void *)dest, len);
77 bcopy(src, uboot_vm_translate(dest), len);
44 return (len);
45}
46
47ssize_t
48uboot_copyout(const vm_offset_t src, void *dest, const size_t len)
49{
78 return (len);
79}
80
81ssize_t
82uboot_copyout(const vm_offset_t src, void *dest, const size_t len)
83{
50
51 bcopy((void *)src, dest, len);
84 bcopy(uboot_vm_translate(src), dest, len);
52 return (len);
53}
54
55ssize_t
56uboot_readin(const int fd, vm_offset_t dest, const size_t len)
57{
85 return (len);
86}
87
88ssize_t
89uboot_readin(const int fd, vm_offset_t dest, const size_t len)
90{
58
59 return (read(fd, (void *) dest, len));
91 return (read(fd, uboot_vm_translate(dest), len));
60}
92}