| 0,0 → 1,82 |
|---|
| /* |
| * Copyright (c) 2006 Martin Decky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup genericmm |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef KERN_RD_H_ |
| #define KERN_RD_H_ |
| |
| #include <arch/types.h> |
| |
| /** |
| * RAM disk version |
| */ |
| #define RD_VERSION 1 |
| |
| /** |
| * RAM disk magic number |
| */ |
| #define RD_MAGIC_SIZE 4 |
| #define RD_MAG0 'H' |
| #define RD_MAG1 'O' |
| #define RD_MAG2 'R' |
| #define RD_MAG3 'D' |
| |
| /** |
| * RAM disk data encoding types |
| */ |
| #define RD_DATA_NONE 0 |
| #define RD_DATA_LSB 1 /* Least significant byte first (little endian) */ |
| #define RD_DATA_MSB 2 /* Most signigicant byte first (big endian) */ |
| |
| /** |
| * RAM disk error return codes |
| */ |
| #define RE_OK 0 /* No error */ |
| #define RE_INVALID 1 /* Invalid RAM disk image */ |
| #define RE_UNSUPPORTED 2 /* Non-supported image (e.g. wrong version) */ |
| |
| /** RAM disk header */ |
| typedef struct { |
| uint8_t magic[RD_MAGIC_SIZE]; |
| uint8_t version; |
| uint8_t data_type; |
| uint32_t header_size; |
| uint64_t data_size; |
| } rd_header; |
| |
| extern int init_rd(rd_header * addr, size_t size); |
| |
| #endif |
| |
| /** @} |
| */ |