Rev 2000 | Rev 2005 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 2000 | Rev 2002 | ||
---|---|---|---|
1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
2 | * Copyright (C) 2006 Martin Decky |
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 | /** @addtogroup genericmm |
29 | /** @addtogroup genericmm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | * @brief RAM disk support. |
35 | * @brief RAM disk support. |
36 | * |
36 | * |
37 | * Support for RAM disk images. |
37 | * Support for RAM disk images. |
38 | */ |
38 | */ |
39 | 39 | ||
40 | #include <lib/rd.h> |
40 | #include <lib/rd.h> |
- | 41 | #include <arch/byteorder.h> |
|
41 | 42 | ||
42 | bool init_rd(void * addr) |
43 | int init_rd(rd_header * header) |
43 | { |
44 | { |
- | 45 | /* Identify RAM disk */ |
|
- | 46 | if ((header->magic[0] != RD_MAG0) || (header->magic[1] != RD_MAG1) || (header->magic[2] != RD_MAG2) || (header->magic[3] != RD_MAG3)) |
|
- | 47 | return RE_INVALID; |
|
- | 48 | ||
- | 49 | /* Identify version */ |
|
- | 50 | if (header->version != RD_VERSION) |
|
- | 51 | return RE_UNSUPPORTED; |
|
- | 52 | ||
- | 53 | uint64_t hsize; |
|
- | 54 | switch (header->data_type) { |
|
- | 55 | case RD_DATA_LSB: |
|
- | 56 | hsize = uint64_t_le2host(header->header_size); |
|
- | 57 | break; |
|
- | 58 | // case RD_DATA_MSB: |
|
- | 59 | // hsize = uint64_t_be2host(header->header_size); |
|
- | 60 | // break; |
|
- | 61 | default: |
|
- | 62 | return RE_UNSUPPORTED; |
|
- | 63 | } |
|
- | 64 | ||
- | 65 | ||
44 | return false; |
66 | return RE_OK; |
45 | } |
67 | } |
46 | 68 | ||
47 | /** @} |
69 | /** @} |
48 | */ |
70 | */ |
49 | 71 |