1 | /* |
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2 | * BASED UPON SOURCE IN RTEMS, MODIFIED FOR SIMULATOR |
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3 | * |
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4 | * Workspace Handler |
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5 | * |
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6 | * COPYRIGHT (c) 1989-2013. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.rtems.com/license/LICENSE. |
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12 | */ |
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13 | |
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14 | #if HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #include <rtems/system.h> |
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19 | #include <rtems/score/wkspace.h> |
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20 | #include <rtems/score/interr.h> |
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21 | |
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22 | #include <stdlib.h> |
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23 | #include <malloc.h> |
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24 | |
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25 | // #define DEBUG_WORKSPACE |
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26 | #if defined(DEBUG_WORKSPACE) |
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27 | #include <stdio.h> |
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28 | #endif |
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29 | |
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30 | /* |
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31 | * _Workspace_Handler_initialization |
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32 | */ |
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33 | void _Workspace_Handler_initialization( |
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34 | Heap_Area *areas, |
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35 | size_t area_count, |
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36 | Heap_Initialization_or_extend_handler extend |
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37 | ) |
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38 | { |
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39 | } |
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40 | |
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41 | /* |
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42 | * _Workspace_Allocate |
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43 | */ |
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44 | void *_Workspace_Allocate( |
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45 | size_t size |
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46 | ) |
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47 | { |
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48 | void *memory; |
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49 | |
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50 | memory = calloc( 1, size ); |
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51 | #if defined(DEBUG_WORKSPACE) |
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52 | fprintf( |
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53 | stderr, |
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54 | "Workspace_Allocate(%d) from %p/%p -> %p\n", |
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55 | size, |
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56 | __builtin_return_address( 0 ), |
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57 | __builtin_return_address( 1 ), |
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58 | memory |
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59 | ); |
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60 | #endif |
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61 | return memory; |
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62 | } |
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63 | |
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64 | void *_Workspace_Allocate_aligned( size_t size, size_t alignment ) |
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65 | { |
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66 | void *memory; |
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67 | int sc; |
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68 | |
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69 | memory = memalign( alignment, size ); |
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70 | #if defined(DEBUG_WORKSPACE) |
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71 | fprintf( |
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72 | stderr, |
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73 | "Workspace_Allocate_aligned(%d, %d) from %p/%p -> %p\n", |
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74 | size, |
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75 | alignment, |
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76 | __builtin_return_address( 0 ), |
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77 | __builtin_return_address( 1 ), |
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78 | memory |
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79 | ); |
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80 | #endif |
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81 | return memory; |
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82 | } |
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83 | |
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84 | |
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85 | /* |
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86 | * _Workspace_Free |
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87 | */ |
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88 | void _Workspace_Free( |
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89 | void *block |
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90 | ) |
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91 | { |
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92 | #if defined(DEBUG_WORKSPACE) |
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93 | fprintf( |
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94 | stderr, |
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95 | block, |
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96 | __builtin_return_address( 0 ), |
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97 | __builtin_return_address( 1 ) |
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98 | ); |
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99 | #endif |
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100 | free( block ); |
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101 | } |
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102 | |
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103 | /* |
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104 | * _Workspace_Allocate_or_fatal_error |
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105 | */ |
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106 | void *_Workspace_Allocate_or_fatal_error( |
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107 | size_t size |
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108 | ) |
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109 | { |
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110 | void *memory; |
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111 | |
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112 | memory = calloc( 1, size ); |
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113 | #if defined(DEBUG_WORKSPACE) |
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114 | fprintf( |
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115 | stderr, |
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116 | "Workspace_Allocate_or_fatal_error(%d) from %p/%p -> %p\n", |
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117 | size, |
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118 | __builtin_return_address( 0 ), |
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119 | __builtin_return_address( 1 ), |
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120 | memory |
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121 | ); |
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122 | #endif |
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123 | |
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124 | return memory; |
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125 | } |
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