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| Rev | Author | Line No. | Line |
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| 1505 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
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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 | |||
| 29 | #include <sys/mman.h> |
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| 30 | #include <as.h> |
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| 31 | #include <unistd.h> |
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| 32 | |||
| 33 | void *mmap(void *start, size_t length, int prot, int flags, int fd, |
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| 34 | off_t offset) |
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| 35 | { |
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| 36 | if (!start) |
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| 37 | start = as_get_mappable_page(length); |
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| 38 | |||
| 39 | prot |= AS_AREA_CACHEABLE; |
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| 40 | |||
| 1510 | palkovsky | 41 | // if (! ((flags & MAP_SHARED) ^ (flags & MAP_PRIVATE))) |
| 42 | // return NULL; |
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| 1518 | palkovsky | 43 | if (! (flags & MAP_ANONYMOUS)) |
| 44 | return NULL; |
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| 1505 | palkovsky | 45 | |
| 46 | return as_area_create(start, length, prot); |
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| 47 | } |
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| 48 | |||
| 49 | int munmap(void *start, size_t length) |
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| 50 | { |
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| 51 | return as_area_destroy(start); |
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| 52 | } |