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annotate packages/kernel/current/include/test/stackmon.h @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children 4c750ce71ae3
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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####
64
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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 #endif
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65
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66 #ifndef STACKMON_PRINTF
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67 externC void diag_printf(const char *, ...);
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68 #define STACKMON_PRINTF diag_printf
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69 #endif
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70
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71 // ------------------------------------------------------------------------
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72 // Utility function for actually counting a stack
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73
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74 inline void cyg_test_size_a_stack( char *comment, char *format,
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75 char *base, char *top )
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76 {
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77 register char *p;
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78 for ( p = base; p < top; p++ )
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79 if ( *p )
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80 break;
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81 STACKMON_PRINTF( format, comment, top - p, top - base );
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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 inline void cyg_test_dump_stack_stats( char *comment,
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87 char *base, char *top )
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88 {
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89 cyg_test_size_a_stack( comment, "%31s : stack used %5d size %5d\n",
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90 base, top );
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91 }
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92
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93 // ------------------------------------------------------------------------
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94
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95 #ifdef __cplusplus
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96
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97 inline void cyg_test_dump_thread_stack_stats( char *comment,
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98 Cyg_Thread *p )
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99 {
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100 #if defined(CYGPKG_KERNEL)
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101 char *base, *top;
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102 base = (char *)p->get_stack_base();
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103 top = base + p->get_stack_size();
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104 cyg_test_dump_stack_stats( comment, base, top );
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105 #endif
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106 }
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107
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108 #else // __cplusplus
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109
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110 inline void cyg_test_dump_thread_stack_stats( char *comment,
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111 cyg_handle_t p )
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112 {
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113 #if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
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114 char *base, *top;
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115 base = (char *) cyg_thread_get_stack_base( p );
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116 top = base + cyg_thread_get_stack_size( p );
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117 cyg_test_dump_stack_stats( comment, base, top );
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118 #endif
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119 }
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120
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121 #endif // __cplusplus
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122
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123 // ------------------------------------------------------------------------
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124 // Print out size of idle thread stack usage since start-of-time. Only
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125 // meaningful if there is a scheduler.
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126
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127 #ifdef __cplusplus
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128
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129 inline void cyg_test_dump_idlethread_stack_stats( char *comment )
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130 {
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131 #if defined(CYGPKG_KERNEL)
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132 extern Cyg_Thread idle_thread;
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133 // idle thread is not really a plain CygThread; danger.
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134 char *ibase = (char *)idle_thread.get_stack_base();
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135 char *istack = ibase + idle_thread.get_stack_size();
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136 cyg_test_size_a_stack( comment,
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137 "%20s : Idlethread stack used %5d size %5d\n",
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138 ibase, istack );
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139 #endif
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140 }
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141
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142 #else // __cplusplus
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143
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144 inline void cyg_test_dump_idlethread_stack_stats( char *comment )
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145 {
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146 #if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
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147 cyg_handle_t idle_thread = cyg_thread_idle_thread();
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148
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149 char *ibase = (char *)cyg_thread_get_stack_base( idle_thread );
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150 char *istack = ibase + cyg_thread_get_stack_size( idle_thread );
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151 cyg_test_size_a_stack( comment,
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152 "%20s : Idlethread stack used %5d size %5d\n",
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153 ibase, istack );
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154 #endif
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155 }
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156
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157 #endif // __cplusplus
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158
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159 // ------------------------------------------------------------------------
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160 // Print out size of interrupt stack usage since start-of-time or since it
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161 // was last cleared. NB on some architectures and configurations, the
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162 // interrupt stack is the same as the bootup stack, so clear it in the
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163 // first first thread to execute. Clearing it before scheduler start would
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164 // be fatal!
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165
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166 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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167 externC char HAL_INTERRUPT_STACK_BASE[];
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168 externC char HAL_INTERRUPT_STACK_TOP[];
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169 #endif
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170
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171 inline void cyg_test_dump_interrupt_stack_stats( char *comment )
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172 {
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173 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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174 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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175 cyg_test_size_a_stack( comment,
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176 "%20s : Interrupt stack used %5d size %5d\n",
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177 HAL_INTERRUPT_STACK_BASE, HAL_INTERRUPT_STACK_TOP );
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178 #endif
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179 #endif
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180 }
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181
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182 // Clear interrupt stack to reset stats - only after sched has started.
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183
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184 inline void cyg_test_clear_interrupt_stack( void )
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185 {
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186 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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187 #if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
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188 cyg_uint32 old_intr;
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189 register char *p;
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190 HAL_DISABLE_INTERRUPTS(old_intr);
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191 for ( p = HAL_INTERRUPT_STACK_BASE; p < HAL_INTERRUPT_STACK_TOP; p++ )
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192 *p = 0; // zero it for checking later
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193 HAL_RESTORE_INTERRUPTS(old_intr);
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194 #endif
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195 #endif
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196 }
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197
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198 // ------------------------------------------------------------------------
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199
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200 #endif // ifndef CYGONCE_KERNEL_TEST_STACKMON_H
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201
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202 // EOF stackmon.h