| 1 | /* | 
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| 2 | * Copyright (C) 2005 Jakub Jermar | 
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| 3 | * All rights reserved. | 
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| 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 |  | 
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| 29 | #include <arch/mm/frame.h> | 
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| 30 | #include <genarch/ofw/memory_init.h> | 
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| 31 | #include <mm/frame.h> | 
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| 32 | #include <config.h> | 
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| 33 | #include <align.h> | 
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| 34 |  | 
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| 35 | void frame_arch_init(void) | 
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| 36 | { | 
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| 37 | ofw_init_zones(); | 
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| 38 |  | 
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| 39 | /* | 
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| 40 | * Workaround to prevent slab allocator from allocating frame 0. | 
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| 41 | * Frame 0 is | 
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| 42 | * a) not mapped by OFW | 
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| 43 | * b) would be confused with NULL error return code | 
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| 44 | */ | 
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| 45 | frame_mark_unavailable(0, 1); | 
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| 46 | } | 
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