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