Rev 3029 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1999 | decky | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Martin Decky |
| 1999 | decky | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup genericmm |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef KERN_RD_H_ |
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| 36 | #define KERN_RD_H_ |
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| 37 | |||
| 2002 | decky | 38 | #include <arch/types.h> |
| 1999 | decky | 39 | |
| 2002 | decky | 40 | /** |
| 41 | * RAM disk version |
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| 42 | */ |
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| 2445 | decky | 43 | #define RD_VERSION 1 |
| 1999 | decky | 44 | |
| 2002 | decky | 45 | /** |
| 46 | * RAM disk magic number |
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| 47 | */ |
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| 48 | #define RD_MAGIC_SIZE 4 |
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| 49 | #define RD_MAG0 'H' |
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| 50 | #define RD_MAG1 'O' |
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| 51 | #define RD_MAG2 'R' |
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| 52 | #define RD_MAG3 'D' |
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| 53 | |||
| 54 | /** |
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| 55 | * RAM disk data encoding types |
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| 56 | */ |
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| 57 | #define RD_DATA_NONE 0 |
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| 58 | #define RD_DATA_LSB 1 /* Least significant byte first (little endian) */ |
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| 59 | #define RD_DATA_MSB 2 /* Most signigicant byte first (big endian) */ |
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| 60 | |||
| 61 | /** |
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| 62 | * RAM disk error return codes |
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| 63 | */ |
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| 64 | #define RE_OK 0 /* No error */ |
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| 65 | #define RE_INVALID 1 /* Invalid RAM disk image */ |
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| 66 | #define RE_UNSUPPORTED 2 /* Non-supported image (e.g. wrong version) */ |
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| 67 | |||
| 68 | /** RAM disk header */ |
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| 3029 | decky | 69 | struct rd_header { |
| 2002 | decky | 70 | uint8_t magic[RD_MAGIC_SIZE]; |
| 71 | uint8_t version; |
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| 72 | uint8_t data_type; |
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| 73 | uint32_t header_size; |
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| 74 | uint64_t data_size; |
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| 3029 | decky | 75 | } __attribute__ ((packed)); |
| 2002 | decky | 76 | |
| 3029 | decky | 77 | typedef struct rd_header rd_header_t; |
| 2002 | decky | 78 | |
| 3029 | decky | 79 | extern int init_rd(rd_header_t *addr, size_t size); |
| 80 | |||
| 1999 | decky | 81 | #endif |
| 82 | |||
| 83 | /** @} |
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| 84 | */ |