1 | /**
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2 | * \file fsw_posix_base.h
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3 | * Base definitions for the POSIX user space host environment.
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4 | */
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5 |
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6 | /*-
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7 | * Copyright (c) 2006 Christoph Pfisterer
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8 | *
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9 | * Redistribution and use in source and binary forms, with or without
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10 | * modification, are permitted provided that the following conditions are
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11 | * met:
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12 | *
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13 | * * Redistributions of source code must retain the above copyright
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14 | * notice, this list of conditions and the following disclaimer.
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15 | *
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16 | * * Redistributions in binary form must reproduce the above copyright
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17 | * notice, this list of conditions and the following disclaimer in the
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18 | * documentation and/or other materials provided with the
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19 | * distribution.
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20 | *
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21 | * * Neither the name of Christoph Pfisterer nor the names of the
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22 | * contributors may be used to endorse or promote products derived
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23 | * from this software without specific prior written permission.
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24 | *
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25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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26 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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27 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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28 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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29 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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30 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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31 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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32 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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33 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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34 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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35 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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36 | */
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37 |
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38 | #ifndef _FSW_POSIX_BASE_H_
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39 | #define _FSW_POSIX_BASE_H_
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40 |
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41 |
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42 | #include <stdio.h>
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43 | #include <stdlib.h>
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44 | #include <string.h>
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45 | #include <unistd.h>
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46 | #include <errno.h>
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47 | #include <stdint.h>
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48 |
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49 | #define FSW_LITTLE_ENDIAN (1)
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50 | // TODO: use info from the headers to define FSW_LITTLE_ENDIAN or FSW_BIG_ENDIAN
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51 |
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52 |
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53 | // types
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54 |
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55 | typedef int8_t fsw_s8;
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56 | typedef uint8_t fsw_u8;
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57 | typedef int16_t fsw_s16;
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58 | typedef uint16_t fsw_u16;
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59 | typedef int32_t fsw_s32;
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60 | typedef uint32_t fsw_u32;
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61 | typedef int64_t fsw_s64;
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62 | typedef uint64_t fsw_u64;
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63 |
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64 |
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65 | // allocation functions
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66 |
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67 | #define fsw_alloc(size, ptrptr) (((*(ptrptr) = malloc(size)) == NULL) ? FSW_OUT_OF_MEMORY : FSW_SUCCESS)
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68 | #define fsw_free(ptr) free(ptr)
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69 |
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70 | // memory functions
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71 |
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72 | #define fsw_memzero(dest,size) memset(dest,0,size)
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73 | #define fsw_memcpy(dest,src,size) memcpy(dest,src,size)
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74 | #define fsw_memeq(p1,p2,size) (memcmp(p1,p2,size) == 0)
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75 |
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76 | // message printing
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77 |
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78 | #define FSW_MSGSTR(s) s
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79 | #define FSW_MSGFUNC printf
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80 |
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81 | // 64-bit hooks
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82 |
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83 | #define FSW_U64_SHR(val,shiftbits) ((val) >> (shiftbits))
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84 | #define FSW_U64_DIV(val,divisor) ((val) / (divisor))
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85 | #define DEBUG(x)
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86 |
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87 | #define RShiftU64(val, shift) ((val) >> (shift))
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88 | #define LShiftU64(val, shift) ((val) << (shift))
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89 |
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90 | #endif
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