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1 //========================================================================== |
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2 // |
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3 // memfix1.cxx |
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4 // |
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5 // Fixed memory pool test 1 |
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6 // |
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7 //========================================================================== |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //========================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): dsm |
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33 // Contributors: dsm |
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34 // Date: 1998-06-09 |
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35 // Description: Tests basic fixed memory pool functionality |
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36 //####DESCRIPTIONEND#### |
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37 |
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38 #include <pkgconf/kernel.h> |
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39 |
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40 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start() |
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41 #include <cyg/kernel/thread.hxx> // Cyg_Thread |
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42 |
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43 #include <cyg/kernel/memfixed.hxx> |
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44 |
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45 #include <cyg/infra/testcase.h> |
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46 |
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47 #include <cyg/kernel/sched.inl> |
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48 #include <cyg/kernel/thread.inl> |
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49 |
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50 #include <cyg/kernel/timer.hxx> // Cyg_Timer |
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51 #include <cyg/kernel/clock.inl> // Cyg_Clock |
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52 |
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53 |
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54 #define NTHREADS 2 |
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55 #include "testaux.hxx" |
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56 |
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57 static const cyg_int32 memsize = 10240; |
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58 |
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59 static cyg_uint8 mem[2][memsize]; |
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60 |
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61 static Cyg_Mempool_Fixed mempool0(mem[0], memsize, 100); |
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62 |
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63 static Cyg_Mempool_Fixed mempool1(mem[1], memsize, 316); |
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64 |
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65 |
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66 static void check_in_mp0(cyg_uint8 *p, cyg_int32 size) |
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67 { |
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68 CYG_TEST_CHECK(NULL != p, |
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69 "Allocation failed"); |
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70 CYG_TEST_CHECK(mem[0] <= p && p+size < mem[1], |
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71 "Block outside memory pool"); |
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72 } |
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73 |
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74 |
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75 static void entry0( CYG_ADDRWORD data ) |
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76 { |
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77 cyg_uint8 *base; |
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78 cyg_int32 size; |
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79 CYG_ADDRWORD bs; |
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80 cyg_int32 f0,f1,f2,t0; |
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81 cyg_uint8 *p0, *p1, *p2; |
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82 |
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83 mempool0.get_arena(base, size, bs); |
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84 cyg_int32 blocksize=(cyg_int32)bs; |
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85 CYG_TEST_CHECK(mem[0] == base, "get_arena: base wrong"); |
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86 CYG_TEST_CHECK(memsize == size, "get_arena: size wrong"); |
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87 CYG_TEST_CHECK(100 == blocksize, "get_arena: blocksize wrong"); |
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88 |
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89 CYG_TEST_CHECK(316 == mempool1.get_blocksize(), "get_blocksize wrong" ); |
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90 |
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91 t0=mempool0.get_totalmem(); |
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92 CYG_TEST_CHECK(t0 > 0, "Negative total memory" ); |
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93 f0=mempool0.get_freemem(); |
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94 CYG_TEST_CHECK(f0 > 0, "Negative free memory" ); |
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95 CYG_TEST_CHECK(t0 <= memsize, "get_totalsize: Too much memory"); |
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96 CYG_TEST_CHECK(f0 <= t0 , "More memory free than possible" ); |
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97 |
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98 CYG_TEST_CHECK( !mempool0.waiting(), |
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99 "Thread waiting for memory; there shouldn't be"); |
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100 |
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101 CYG_TEST_CHECK( !mempool0.free(NULL), "Bogus free worked"); |
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102 |
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103 p0 = mempool0.alloc(); |
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104 check_in_mp0(p0, 100); |
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105 |
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106 f1 = mempool0.get_freemem(); |
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107 CYG_TEST_CHECK(f1 > 0, "Negative free memory" ); |
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108 CYG_TEST_CHECK(f1 < f0, "Free memory didn't decrease after allocation" ); |
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109 |
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110 p1 = NULL; |
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111 while((p2 = mempool0.try_alloc())) |
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112 p1 = p2; |
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113 |
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114 f1 = mempool0.get_freemem(); |
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115 CYG_TEST_CHECK(mempool0.free(p0), "Couldn't free"); |
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116 |
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117 f2 = mempool0.get_freemem(); |
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118 CYG_TEST_CHECK(f2 > f1, "Free memory didn't increase after free" ); |
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119 |
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120 // should be able to reallocate now a block is free |
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121 p0 = mempool0.try_alloc(); |
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122 check_in_mp0(p0, 100); |
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123 |
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124 CYG_TEST_CHECK(p1+100 <= p0 || p1 >= p0+100, |
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125 "Ranges of allocated memory overlap"); |
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126 |
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127 CYG_TEST_CHECK(mempool0.free(p0), "Couldn't free"); |
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128 CYG_TEST_CHECK(mempool0.free(p1), "Couldn't free"); |
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129 |
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130 #ifdef CYGFUN_KERNEL_THREADS_TIMER |
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131 // This shouldn't have to wait |
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132 p0 = mempool0.alloc(Cyg_Clock::real_time_clock->current_value()+100000); |
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133 check_in_mp0(p0, 100); |
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134 p1 = mempool0.alloc(Cyg_Clock::real_time_clock->current_value()+20); |
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135 check_in_mp0(p1, 10); |
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136 p1 = mempool0.alloc(Cyg_Clock::real_time_clock->current_value()+20); |
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137 CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked"); |
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138 |
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139 // Expect thread 1 to have run while processing previous timed |
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140 // allocation. It should therefore tbe waiting. |
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141 CYG_TEST_CHECK(mempool1.waiting(), "There should be a thread waiting"); |
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142 #endif |
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143 |
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144 CYG_TEST_PASS_FINISH("Fixed memory pool 1 OK"); |
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145 } |
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146 |
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147 static void entry1( CYG_ADDRWORD data ) |
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148 { |
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149 while(NULL != mempool1.alloc()) |
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150 ; |
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151 CYG_TEST_FAIL("alloc returned NULL"); |
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152 } |
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153 |
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154 |
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155 void memfix1_main( void ) |
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156 { |
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157 CYG_TEST_INIT(); |
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158 |
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159 new_thread(entry0, 0); |
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160 new_thread(entry1, 1); |
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161 |
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162 Cyg_Scheduler::start(); |
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163 |
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164 CYG_TEST_FAIL_FINISH("Not reached"); |
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165 } |
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166 |
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167 externC void |
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168 cyg_start( void ) |
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169 { |
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170 memfix1_main(); |
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171 } |
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172 // EOF memfix1.cxx |
