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Merge from eCos master repository on 2001-08-10-19:22:57-BST
author jlarmour
date Fri, 10 Aug 2001 19:27:55 +0000
parents bf00f99aec69
children e0c0827131d1
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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 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the "License"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an "AS IS"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //==========================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): hmt
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38 // Contributors: hmt
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39 // Date: 1999-05-20
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40 // Description:
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41 // Defines some convenience functions for stack use output.
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42 // Note:
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43 // The functions are defined for both C and C++ usage - with different
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44 // argument types.
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45 //
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46 //####DESCRIPTIONEND####
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47 */
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48
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49 #include <pkgconf/system.h>
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50 #include <pkgconf/hal.h>
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51 #include <cyg/hal/hal_arch.h>
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52 #include <cyg/hal/hal_intr.h>
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53 #include <cyg/infra/cyg_type.h>
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54 #ifdef CYGPKG_KERNEL
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55 #include <pkgconf/kernel.h>
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56 # if defined(CYGFUN_KERNEL_API_C)
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57 # include <cyg/kernel/kapi.h>
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58 # endif
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59 # if defined(__cplusplus)
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60 # include <cyg/kernel/sched.hxx>
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61 # include <cyg/kernel/thread.hxx>
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62 # include <cyg/kernel/thread.inl>
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63 # endif
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64 # include <cyg/kernel/smp.hxx>
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65 #endif
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66
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67 #ifndef STACKMON_PRINTF
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68 externC void diag_printf(const char *, ...);
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69 #define STACKMON_PRINTF diag_printf
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70 #endif
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71
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72 // ------------------------------------------------------------------------
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73 // Utility function for actually counting a stack
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74
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75 inline void cyg_test_size_a_stack( char *comment, char *format,
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76 char *base, char *top )
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77 {
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78 register char *p;
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79 for ( p = base; p < top; p++ )
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80 if ( *p )
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81 break;
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82 STACKMON_PRINTF( format, comment, top - p, top - base );
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83 }
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84
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85 // ------------------------------------------------------------------------
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86
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87 inline void cyg_test_dump_stack_stats( char *comment,
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88 char *base, char *top )
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89 {
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90 cyg_test_size_a_stack( comment, "%31s : stack used %5d size %5d\n",
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91 base, top );
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92 }
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93
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94 // ------------------------------------------------------------------------
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95
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96 #ifdef __cplusplus
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97
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98 inline void cyg_test_dump_thread_stack_stats( char *comment,
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99 Cyg_Thread *p )
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100 {
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101 #if defined(CYGPKG_KERNEL)
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102 char *base, *top;
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103 base = (char *)p->get_stack_base();
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104 top = base + p->get_stack_size();
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105 cyg_test_dump_stack_stats( comment, base, top );
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106 #endif
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107 }
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108
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109 #else // __cplusplus
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110
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111 inline void cyg_test_dump_thread_stack_stats( char *comment,
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112 cyg_handle_t p )
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113 {
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114 #if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
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115 char *base, *top;
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116 base = (char *) cyg_thread_get_stack_base( p );
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117 top = base + cyg_thread_get_stack_size( p );
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118 cyg_test_dump_stack_stats( comment, base, top );
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119 #endif
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120 }
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121
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122 #endif // __cplusplus
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123
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124 // ------------------------------------------------------------------------
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125 // Print out size of idle thread stack usage since start-of-time. Only
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126 // meaningful if there is a scheduler.
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127
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128 #ifdef __cplusplus
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129
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130 inline void cyg_test_dump_idlethread_stack_stats( char *comment )
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131 {
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132 #if defined(CYGPKG_KERNEL)
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133 int i;
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134 extern Cyg_Thread idle_thread[CYGNUM_KERNEL_CPU_MAX];
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135 for( i = 0; i < CYGNUM_KERNEL_CPU_MAX; i++ )
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136 {
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137 // idle thread is not really a plain CygThread; danger.
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138 char *ibase = (char *)idle_thread[i].get_stack_base();
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139 char *istack = ibase + idle_thread[i].get_stack_size();
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140 cyg_test_size_a_stack( comment,
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141 "%20s : Idlethread stack used %5d size %5d\n",
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142 ibase, istack );
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143 }
10
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144 #endif
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145 }
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146
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147 #else // __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) && defined(CYGFUN_KERNEL_API_C)
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152 cyg_handle_t idle_thread = cyg_thread_idle_thread();
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153
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154 char *ibase = (char *)cyg_thread_get_stack_base( idle_thread );
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155 char *istack = ibase + cyg_thread_get_stack_size( idle_thread );
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156 cyg_test_size_a_stack( comment,
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157 "%20s : Idlethread stack used %5d size %5d\n",
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158 ibase, istack );
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159 #endif
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160 }
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161
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162 #endif // __cplusplus
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163
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164 // ------------------------------------------------------------------------
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165 // Print out size of interrupt stack usage since start-of-time or since it
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166 // was last cleared. NB on some architectures and configurations, the
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167 // interrupt stack is the same as the bootup stack, so clear it in the
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168 // first first thread to execute. Clearing it before scheduler start would
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169 // be fatal!
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170
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171 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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172 externC char HAL_INTERRUPT_STACK_BASE[];
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173 externC char HAL_INTERRUPT_STACK_TOP[];
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174 #endif
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175
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176 inline void cyg_test_dump_interrupt_stack_stats( char *comment )
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177 {
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178 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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179 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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180 cyg_test_size_a_stack( comment,
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181 "%20s : Interrupt stack used %5d size %5d\n",
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182 HAL_INTERRUPT_STACK_BASE, HAL_INTERRUPT_STACK_TOP );
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183 #endif
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184 #endif
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185 }
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186
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187 // Clear interrupt stack to reset stats - only after sched has started.
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188
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189 inline void cyg_test_clear_interrupt_stack( void )
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190 {
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191 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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192 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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193 cyg_uint32 old_intr;
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194 register char *p;
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195 HAL_DISABLE_INTERRUPTS(old_intr);
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196 for ( p = HAL_INTERRUPT_STACK_BASE; p < HAL_INTERRUPT_STACK_TOP; p++ )
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197 *p = 0; // zero it for checking later
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198 HAL_RESTORE_INTERRUPTS(old_intr);
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199 #endif
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200 #endif
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201 }
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202
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203 // ------------------------------------------------------------------------
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204
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205 #endif // ifndef CYGONCE_KERNEL_TEST_STACKMON_H
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206
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207 // EOF stackmon.h