Rev 200 | Rev 205 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 200 | Rev 202 | ||
---|---|---|---|
1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <memstr.h> |
29 | #include <memstr.h> |
30 | #include <arch/types.h> |
30 | #include <arch/types.h> |
31 | 31 | ||
32 | 32 | ||
33 | /** Copy block of memory |
33 | /** Copy block of memory |
34 | * |
34 | * |
35 | * Copy cnt bytes from src address to dst address. |
35 | * Copy cnt bytes from src address to dst address. |
36 | * The copying is done byte-by-byte. The source |
36 | * The copying is done byte-by-byte. The source |
37 | * and destination memory areas cannot overlap. |
37 | * and destination memory areas cannot overlap. |
38 | * |
38 | * |
39 | * @param src Origin address to copy from. |
39 | * @param src Origin address to copy from. |
40 | * @param dst Origin address to copy to. |
40 | * @param dst Origin address to copy to. |
41 | * @param cnt Number of bytes to copy. |
41 | * @param cnt Number of bytes to copy. |
42 | * |
42 | * |
43 | */ |
43 | */ |
44 | char *_memcopy(void * dst, const void *src, size_t cnt) |
44 | char *_memcopy(void * dst, const void *src, size_t cnt) |
45 | { |
45 | { |
46 | int i; |
46 | int i; |
47 | 47 | ||
48 | for (i=0; i<cnt; i++) |
48 | for (i=0; i<cnt; i++) |
49 | *((__u8 *) (dst + i)) = *((__u8 *) (src + i)); |
49 | *((__u8 *) (dst + i)) = *((__u8 *) (src + i)); |
50 | 50 | ||
51 | return (char *)src; |
51 | return (char *)src; |
52 | } |
52 | } |
53 | 53 | ||
54 | 54 | ||
55 | /** Fill block of memory |
55 | /** Fill block of memory |
56 | * |
56 | * |
57 | * Fill cnt bytes at dst address with the value x. |
57 | * Fill cnt bytes at dst address with the value x. |
58 | * The filling is done byte-by-byte. |
58 | * The filling is done byte-by-byte. |
59 | * |
59 | * |
60 | * @param dst Origin address to fill. |
60 | * @param dst Origin address to fill. |
61 | * @param cnt Number of bytes to fill. |
61 | * @param cnt Number of bytes to fill. |
62 | * @param x Value to fill. |
62 | * @param x Value to fill. |
63 | * |
63 | * |
64 | */ |
64 | */ |
65 | void _memsetb(__address dst, size_t cnt, __u8 x) |
65 | void _memsetb(__address dst, size_t cnt, __u8 x) |
66 | { |
66 | { |
67 | int i; |
67 | int i; |
68 | __u8 *p = (__u8 *) dst; |
68 | __u8 *p = (__u8 *) dst; |
69 | 69 | ||
70 | for(i=0; i<cnt; i++) |
70 | for(i=0; i<cnt; i++) |
71 | p[i] = x; |
71 | p[i] = x; |
72 | } |
72 | } |
73 | 73 | ||
74 | /** Fill block of memory |
74 | /** Fill block of memory |
75 | * |
75 | * |
76 | * Fill cnt words at dst address with the value x. |
76 | * Fill cnt words at dst address with the value x. |
77 | * The filling is done word-by-word. |
77 | * The filling is done word-by-word. |
78 | * |
78 | * |
79 | * @param dst Origin address to fill. |
79 | * @param dst Origin address to fill. |
80 | * @param cnt Number of words to fill. |
80 | * @param cnt Number of words to fill. |
81 | * @param x Value to fill. |
81 | * @param x Value to fill. |
82 | * |
82 | * |
83 | */ |
83 | */ |
84 | void _memsetw(__address dst, size_t cnt, __u16 x) |
84 | void _memsetw(__address dst, size_t cnt, __u16 x) |
85 | { |
85 | { |
86 | int i; |
86 | int i; |
87 | __u8 *p = (__u8 *) dst; |
87 | __u16 *p = (__u16 *) dst; |
88 | 88 | ||
89 | for(i=0; i<cnt; i++) |
89 | for(i=0; i<cnt; i++) |
90 | p[i] = x; |
90 | p[i] = x; |
91 | } |
91 | } |
92 | 92 |