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annotate packages/kernel/current/include/test/stackmon.h @ 2863:7d8c61e6225c default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Thu, 26 Mar 2009 20:39:18 +0000
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1 #ifndef CYGONCE_KERNEL_TEST_STACKMON_H
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2 #define CYGONCE_KERNEL_TEST_STACKMON_H
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3
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4 /*=================================================================
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5 //
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6 // stackmon.h
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7 //
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8 // Auxiliary test header file
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9 //
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10 //==========================================================================
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11 // ####ECOSGPLCOPYRIGHTBEGIN####
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12 // -------------------------------------------
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13 // This file is part of eCos, the Embedded Configurable Operating System.
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14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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15 //
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16 // eCos is free software; you can redistribute it and/or modify it under
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17 // the terms of the GNU General Public License as published by the Free
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18 // Software Foundation; either version 2 or (at your option) any later
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19 // version.
208
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20 //
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21 // eCos is distributed in the hope that it will be useful, but WITHOUT
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22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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24 // for more details.
208
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25 //
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26 // You should have received a copy of the GNU General Public License
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27 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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29 //
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30 // As a special exception, if other files instantiate templates or use
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31 // macros or inline functions from this file, or you compile this file
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32 // and link it with other works to produce a work based on this file,
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33 // this file does not by itself cause the resulting work to be covered by
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34 // the GNU General Public License. However the source code for this file
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35 // must still be made available in accordance with section (3) of the GNU
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36 // General Public License v2.
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37 //
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38 // This exception does not invalidate any other reasons why a work based
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39 // on this file might be covered by the GNU General Public License.
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40 // -------------------------------------------
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41 // ####ECOSGPLCOPYRIGHTEND####
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42 //==========================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): hmt
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46 // Contributors: hmt
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47 // Date: 1999-05-20
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48 // Description:
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49 // Defines some convenience functions for stack use output.
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50 // Note:
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51 // The functions are defined for both C and C++ usage - with different
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52 // argument types.
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53 //
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54 //####DESCRIPTIONEND####
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55 */
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56
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57 #include <pkgconf/system.h>
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58 #include <pkgconf/hal.h>
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59 #include <cyg/hal/hal_arch.h>
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60 #include <cyg/hal/hal_intr.h>
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61 #include <cyg/infra/cyg_type.h>
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62 #ifdef CYGPKG_KERNEL
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63 #include <pkgconf/kernel.h>
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64 # if defined(CYGFUN_KERNEL_API_C)
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65 # include <cyg/kernel/kapi.h>
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66 # endif
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67 # if defined(__cplusplus)
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68 # include <cyg/kernel/sched.hxx>
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69 # include <cyg/kernel/thread.hxx>
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70 # include <cyg/kernel/thread.inl>
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71 # endif
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72 # include <cyg/kernel/smp.hxx>
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73 #endif
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74
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75 #ifndef STACKMON_PRINTF
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76 #include <cyg/infra/diag.h>
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77 #define STACKMON_PRINTF diag_printf
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78 #endif
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79
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80 // ------------------------------------------------------------------------
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81 // Utility function for actually counting a stack
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82
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83 inline void cyg_test_size_a_stack( char *comment, char *format,
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84 char *base, char *top )
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85 {
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86 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
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87 cyg_uint32* cur32 = (cyg_uint32*) ((((CYG_ADDRWORD)&(base[CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE])) + 3) & ~3);
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88 cyg_uint32* top32 = (cyg_uint32*) ((((CYG_ADDRWORD)top) + 3) & ~3);
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89 for ( ; cur32 < top32; cur32++) {
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90 if (*cur32 != 0xDEADBEEF) {
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91 break;
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92 }
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93 }
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94 STACKMON_PRINTF( format, comment, (CYG_ADDRWORD)top32 - (CYG_ADDRWORD)cur32, top - base );
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95 #else
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96 register char *p;
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97 for ( p = base; p < top; p++ )
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98 if ( *p )
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99 break;
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100 STACKMON_PRINTF( format, comment, top - p, top - base );
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101 #endif
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102 }
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103
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104 // ------------------------------------------------------------------------
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105
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106 inline void cyg_test_dump_stack_stats( char *comment,
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107 char *base, char *top )
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108 {
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109 cyg_test_size_a_stack( comment, "%31s : stack used %5d size %5d\n",
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110 base, top );
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111 }
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112
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113 // ------------------------------------------------------------------------
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114
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115 #ifdef __cplusplus
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116
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117 inline void cyg_test_dump_thread_stack_stats( char *comment,
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118 Cyg_Thread *p )
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119 {
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120 #if defined(CYGPKG_KERNEL)
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121 char *base, *top;
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122 base = (char *)p->get_stack_base();
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123 top = base + p->get_stack_size();
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124 cyg_test_dump_stack_stats( comment, base, top );
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125 #endif
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126 }
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127
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128 #else // __cplusplus
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129
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130 inline void cyg_test_dump_thread_stack_stats( char *comment,
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131 cyg_handle_t p )
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132 {
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133 #if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
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134 char *base, *top;
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135 base = (char *) cyg_thread_get_stack_base( p );
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136 top = base + cyg_thread_get_stack_size( p );
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137 cyg_test_dump_stack_stats( comment, base, top );
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138 #endif
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139 }
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140
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141 #endif // __cplusplus
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142
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143 // ------------------------------------------------------------------------
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144 // Print out size of idle thread stack usage since start-of-time. Only
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145 // meaningful if there is a scheduler.
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146
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147 #ifdef __cplusplus
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148
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149 inline void cyg_test_dump_idlethread_stack_stats( char *comment )
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150 {
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151 #if defined(CYGPKG_KERNEL)
177
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152 int i;
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153 extern Cyg_Thread idle_thread[CYGNUM_KERNEL_CPU_MAX];
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154 for( i = 0; i < CYGNUM_KERNEL_CPU_MAX; i++ )
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155 {
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156 // idle thread is not really a plain CygThread; danger.
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157 char *ibase = (char *)idle_thread[i].get_stack_base();
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158 char *istack = ibase + idle_thread[i].get_stack_size();
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159 cyg_test_size_a_stack( comment,
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160 "%20s : Idlethread stack used %5d size %5d\n",
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161 ibase, istack );
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162 }
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163 #endif
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164 }
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165
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166 #else // __cplusplus
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167
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168 inline void cyg_test_dump_idlethread_stack_stats( char *comment )
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169 {
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170 #if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
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171 cyg_handle_t idle_thread = cyg_thread_idle_thread();
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172
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173 char *ibase = (char *)cyg_thread_get_stack_base( idle_thread );
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174 char *istack = ibase + cyg_thread_get_stack_size( idle_thread );
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175 cyg_test_size_a_stack( comment,
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176 "%20s : Idlethread stack used %5d size %5d\n",
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177 ibase, istack );
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178 #endif
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179 }
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180
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181 #endif // __cplusplus
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182
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183 // ------------------------------------------------------------------------
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184 // Print out size of interrupt stack usage since start-of-time or since it
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185 // was last cleared. NB on some architectures and configurations, the
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186 // interrupt stack is the same as the bootup stack, so clear it in the
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187 // first first thread to execute. Clearing it before scheduler start would
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188 // be fatal!
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189
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190 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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191 externC char HAL_INTERRUPT_STACK_BASE[];
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192 externC char HAL_INTERRUPT_STACK_TOP[];
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193 #endif
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194
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195 inline void cyg_test_dump_interrupt_stack_stats( char *comment )
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196 {
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197 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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198 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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199 cyg_test_size_a_stack( comment,
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200 "%20s : Interrupt stack used %5d size %5d\n",
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201 HAL_INTERRUPT_STACK_BASE, HAL_INTERRUPT_STACK_TOP );
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202 #endif
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203 #endif
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204 }
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205
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206 // Clear interrupt stack to reset stats - only after sched has started.
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207
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208 inline void cyg_test_clear_interrupt_stack( void )
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209 {
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210 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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211 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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212 cyg_uint32 old_intr;
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213 HAL_DISABLE_INTERRUPTS(old_intr);
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214 # ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
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215 {
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216 cyg_uint32* cur32 = (cyg_uint32*) ((((CYG_ADDRWORD)HAL_INTERRUPT_STACK_BASE) + 3) & ~3);
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217 cyg_uint32* top32 = (cyg_uint32*) ((((CYG_ADDRWORD)HAL_INTERRUPT_STACK_TOP) + 3) & ~3);
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218 for ( ; cur32 < top32; cur32++) {
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219 *cur32 = 0xDEADBEEF;
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220 }
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221 }
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222 # else
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223 {
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224 register char *p;
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225 for ( p = HAL_INTERRUPT_STACK_BASE; p < HAL_INTERRUPT_STACK_TOP; p++ )
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226 *p = 0; // zero it for checking later
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227 }
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228 # endif
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229 HAL_RESTORE_INTERRUPTS(old_intr);
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230 #endif
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231 #endif
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232 }
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233
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234 // ------------------------------------------------------------------------
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235
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236 #endif // ifndef CYGONCE_KERNEL_TEST_STACKMON_H
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237
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238 // EOF stackmon.h