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* tests/intr0.cxx (intr0_main): Fix a compiler warning by changing a CHECK() statement.
author sergeig
date Wed, 24 Nov 2010 18:40:20 +0000
parents 74dbf4c3f2e1
children
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1 //=================================================================
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2 //
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3 // intr0.cxx
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4 //
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5 // Interrupt test 0
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6 //
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7 //=================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //=================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): dsm
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43 // Contributors: dsm, jlarmour
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44 // Date: 1999-02-16
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45 // Description: Very basic test of interrupt objects
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46 // Options:
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47 // CYGIMP_KERNEL_INTERRUPTS_DSRS_TABLE
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48 // CYGNUM_KERNEL_INTERRUPTS_DSRS_TABLE_SIZE
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49 // CYGIMP_KERNEL_INTERRUPTS_DSRS_LIST
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50 // CYGSEM_KERNEL_INTERRUPTS_DSRS_LIST_FIFO
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51 //####DESCRIPTIONEND####
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52
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53 #include <pkgconf/kernel.h>
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54
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55 #include <cyg/kernel/intr.hxx>
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56 #include <cyg/hal/hal_intr.h>
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57
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58 #include <cyg/infra/testcase.h>
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59
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60 #include "testaux.hxx"
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61
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62 #ifdef HAL_INTR_TEST_PRIO_A
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63 # define PRIO_A HAL_INTR_TEST_PRIO_A
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64 #else
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65 # define PRIO_A 0
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66 #endif
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67
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68 #ifdef HAL_INTR_TEST_PRIO_B
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69 # define PRIO_B HAL_INTR_TEST_PRIO_B
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70 #else
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71 # define PRIO_B 1
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72 #endif
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73
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74 #ifdef HAL_INTR_TEST_PRIO_C
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75 # define PRIO_C HAL_INTR_TEST_PRIO_C
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76 #else
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77 # define PRIO_C 1
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78 #endif
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79
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80 static cyg_ISR isr0, isr1;
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81 static cyg_DSR dsr0, dsr1;
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82
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83 static char intr0_obj[sizeof(Cyg_Interrupt)];
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84 static char intr1_obj[sizeof(Cyg_Interrupt)];
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85
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86 static cyg_uint32 isr0(cyg_vector vector, CYG_ADDRWORD data)
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87 {
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88 CYG_UNUSED_PARAM(CYG_ADDRWORD, data);
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89
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90 Cyg_Interrupt::acknowledge_interrupt(vector);
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91 return 0;
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92 }
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93
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94 static void dsr0(cyg_vector vector, cyg_ucount32 count, CYG_ADDRWORD data)
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95 {
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96 CYG_UNUSED_PARAM(cyg_vector, vector);
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97 CYG_UNUSED_PARAM(cyg_ucount32, count);
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98 CYG_UNUSED_PARAM(CYG_ADDRWORD, data);
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99 }
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100
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101 static cyg_uint32 isr1(cyg_vector vector, CYG_ADDRWORD data)
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102 {
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103 CYG_UNUSED_PARAM(cyg_vector, vector);
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104 CYG_UNUSED_PARAM(CYG_ADDRWORD, data);
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105 return 0;
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106 }
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107
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108 static void dsr1(cyg_vector vector, cyg_ucount32 count, CYG_ADDRWORD data)
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109 {
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110 CYG_UNUSED_PARAM(cyg_vector, vector);
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111 CYG_UNUSED_PARAM(cyg_ucount32, count);
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112 CYG_UNUSED_PARAM(CYG_ADDRWORD, data);
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113 }
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114
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115 static bool flash( void )
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116 {
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117 Cyg_Interrupt intr0 = Cyg_Interrupt(CYGNUM_HAL_ISR_MIN, PRIO_A,
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118 (CYG_ADDRWORD)333, isr0, dsr0 );
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119
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120 return true;
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121 }
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122
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123 /* IMPORTANT: The calling convention for VSRs is target dependent. It is
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124 * unlikely that a plain C or C++ routine would function correctly on any
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125 * particular platform, even if it could correctly access the system
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126 * resources necessary to handle the event that caused it to be called.
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127 * VSRs usually must be written in assembly language.
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128 *
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129 * This is just a test program. The routine vsr0() below is defined simply
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130 * to define an address that will be in executable memory. If an event
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131 * causes this VSR to be called, all bets are off. If it is accidentally
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132 * installed in the vector for the realtime clock, the system will likely
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133 * freeze.
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134 */
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135
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136 static cyg_VSR vsr0;
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137
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138 static void vsr0()
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139 {
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140 }
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141
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142 void intr0_main( void )
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143 {
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144 CYG_TEST_INIT();
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145
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146 CHECK(flash());
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147 CHECK(flash());
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148
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149 // Make sure the chosen levels are not already in use.
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150 int in_use;
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151 cyg_vector lvl1 = CYGNUM_HAL_ISR_MIN + (1 % CYGNUM_HAL_ISR_COUNT);
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152 HAL_INTERRUPT_IN_USE( lvl1, in_use );
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153 Cyg_Interrupt* intr0 = NULL;
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154 if (!in_use)
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155 intr0 = new((void *)&intr0_obj[0]) Cyg_Interrupt( lvl1, PRIO_B, (CYG_ADDRWORD)777, isr0, dsr0 );
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157 cyg_vector lvl2 = CYGNUM_HAL_ISR_MIN + ( 15 % CYGNUM_HAL_ISR_COUNT);
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158 HAL_INTERRUPT_IN_USE( lvl2, in_use );
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159 Cyg_Interrupt* intr1 = NULL;
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160 if (!in_use && lvl1 != lvl2)
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161 intr1 = new((void *)&intr1_obj[0]) Cyg_Interrupt( lvl2, PRIO_C, 888, isr1, dsr1 );
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162
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163 // Check these functions at least exist
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164 Cyg_Interrupt::disable_interrupts();
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165 Cyg_Interrupt::enable_interrupts();
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166
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167 if (intr0)
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168 intr0->attach();
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169 if (intr1)
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170 intr1->attach();
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171 if (intr0)
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172 intr0->detach();
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173 if (intr1)
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174 intr1->detach();
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175
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176 // If this attaching interrupt replaces the previous interrupt
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177 // instead of adding to it we could be in a big mess if the
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178 // vector is being used by something important.
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179
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180 cyg_vector v = (CYGNUM_HAL_VSR_MIN + 11) % CYGNUM_HAL_VSR_COUNT;
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181 cyg_VSR *old_vsr, *new_vsr;
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182 Cyg_Interrupt::set_vsr( v, vsr0, &old_vsr );
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183 Cyg_Interrupt::get_vsr( v, &new_vsr );
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184 CHECK( vsr0 == new_vsr );
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185
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186 new_vsr = NULL;
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187 Cyg_Interrupt::set_vsr( v, old_vsr, &new_vsr );
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188 CHECK( new_vsr == vsr0 );
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189
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190 Cyg_Interrupt::set_vsr( v, new_vsr );
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191 new_vsr = NULL;
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192 Cyg_Interrupt::get_vsr( v, &new_vsr );
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193 CHECK( vsr0 == new_vsr );
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194
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195 Cyg_Interrupt::set_vsr( v, old_vsr );
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196 CHECK( vsr0 == new_vsr );
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197 new_vsr = NULL;
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198 Cyg_Interrupt::get_vsr( v, &new_vsr );
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199 CHECK( old_vsr == new_vsr );
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200
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201 CHECK( NULL != new_vsr);
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202
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203 cyg_vector v1;
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204 #ifdef CYGPKG_HAL_MIPS_TX39
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205 // This can be removed when PR 17831 is fixed
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206 if ( cyg_test_is_simulator )
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207 v1 = 12 % CYGNUM_HAL_ISR_COUNT;
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208 else /* NOTE TRAILING ELSE... */
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209 #endif
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210 v1 = CYGNUM_HAL_ISR_MIN + (6 % CYGNUM_HAL_ISR_COUNT);
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211
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212 Cyg_Interrupt::mask_interrupt(v1);
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213 Cyg_Interrupt::unmask_interrupt(v1);
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214
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215 Cyg_Interrupt::configure_interrupt(v1, true, true);
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216
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217 CYG_TEST_PASS_FINISH("Intr 0 OK");
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218 }
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219
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220 externC void
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221 cyg_start( void )
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222 {
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223 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
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224 cyg_hal_invoke_constructors();
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225 #endif
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226 intr0_main();
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227 }
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228 // EOF intr0.cxx