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annotate packages/kernel/current/tests/kintr0.c @ 64:c38311975d4f ecos-sw-2000-01-28
Merge from eCos master repository on 2000-01-28-04:28:11-GMT
| author | jlarmour |
|---|---|
| date | Fri, 28 Jan 2000 04:59:39 +0000 |
| parents | 29bc183297e1 |
| children | bf00f99aec69 |
| rev | line source |
|---|---|
| 0 | 1 /*================================================================= |
| 2 // | |
| 3 // kintr0.c | |
| 4 // | |
| 5 // Kernel C API Intr test 0 | |
| 6 // | |
| 7 //========================================================================== | |
| 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 Red Hat 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 |
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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 Configurable Operating System, |
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22 // released September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Red Hat. |
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25 // Portions created by Red Hat are |
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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27 // All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
| 0 | 30 //####COPYRIGHTEND#### |
| 31 //========================================================================== | |
| 32 //#####DESCRIPTIONBEGIN#### | |
| 33 // | |
| 34 // Author(s): dsm | |
| 2 | 35 // Contributors: dsm, jlarmour |
| 36 // Date: 1999-02-16 | |
| 0 | 37 // Description: Very basic test of interrupt objects |
| 38 // Options: | |
| 39 // CYGIMP_KERNEL_INTERRUPTS_DSRS_TABLE | |
| 40 // CYGIMP_KERNEL_INTERRUPTS_DSRS_TABLE_MAX | |
| 41 // CYGIMP_KERNEL_INTERRUPTS_DSRS_LIST | |
| 42 //####DESCRIPTIONEND#### | |
| 43 */ | |
| 44 | |
| 45 #include <cyg/kernel/kapi.h> | |
| 46 #include <cyg/hal/hal_intr.h> | |
| 47 | |
| 48 #include <cyg/infra/testcase.h> | |
| 49 | |
| 50 #ifdef CYGFUN_KERNEL_API_C | |
| 51 | |
| 52 #include "testaux.h" | |
| 53 | |
| 54 static cyg_interrupt intr_obj[2]; | |
| 55 | |
| 56 static cyg_handle_t intr0, intr1; | |
| 57 | |
| 58 | |
| 59 static cyg_ISR_t isr0, isr1; | |
| 60 static cyg_DSR_t dsr0, dsr1; | |
| 61 | |
| 62 static cyg_uint32 isr0(cyg_vector_t vector, cyg_addrword_t data) | |
| 63 { | |
| 64 CYG_UNUSED_PARAM(cyg_addrword_t, data); | |
| 65 | |
| 66 cyg_interrupt_acknowledge(vector); | |
| 67 return 0; | |
| 68 } | |
| 69 | |
| 70 static void dsr0(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data) | |
| 71 { | |
| 72 CYG_UNUSED_PARAM(cyg_vector_t, vector); | |
| 73 CYG_UNUSED_PARAM(cyg_ucount32, count); | |
| 74 CYG_UNUSED_PARAM(cyg_addrword_t, data); | |
| 75 } | |
| 76 | |
| 77 static cyg_uint32 isr1(cyg_vector_t vector, cyg_addrword_t data) | |
| 78 { | |
| 79 CYG_UNUSED_PARAM(cyg_vector_t, vector); | |
| 80 CYG_UNUSED_PARAM(cyg_addrword_t, data); | |
| 81 return 0; | |
| 82 } | |
| 83 | |
| 84 static void dsr1(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data) | |
| 85 { | |
| 86 CYG_UNUSED_PARAM(cyg_vector_t, vector); | |
| 87 CYG_UNUSED_PARAM(cyg_ucount32, count); | |
| 88 CYG_UNUSED_PARAM(cyg_addrword_t, data); | |
| 89 } | |
| 90 | |
| 91 static bool flash( void ) | |
| 92 { | |
| 93 cyg_handle_t handle; | |
| 94 cyg_interrupt intr; | |
| 95 | |
| 96 cyg_interrupt_create(0, 0, (cyg_addrword_t)333, isr0, dsr0, &handle, &intr ); | |
| 97 cyg_interrupt_delete(handle); | |
| 98 | |
| 99 return true; | |
| 100 } | |
| 101 | |
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102 /* IMPORTANT: The calling convention for VSRs is target dependent. It is |
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103 * unlikely that a plain C or C++ routine would function correctly on any |
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104 * particular platform, even if it could correctly access the system |
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105 * resources necessary to handle the event that caused it to be called. |
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106 * VSRs usually must be written in assembly language. |
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107 * |
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108 * This is just a test program. The routine vsr0() below is defined simply |
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109 * to define an address that will be in executable memory. If an event |
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110 * causes this VSR to be called, all bets are off. If it is accidentally |
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111 * installed in the vector for the realtime clock, the system will likely |
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112 * freeze. |
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113 */ |
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114 |
| 0 | 115 static cyg_VSR_t vsr0; |
| 116 | |
| 117 static void vsr0() | |
| 118 { | |
| 119 } | |
| 120 | |
| 121 void kintr0_main( void ) | |
| 122 { | |
| 2 | 123 cyg_vector_t v = 11 % CYGNUM_HAL_VSR_COUNT; |
| 124 cyg_vector_t v1; | |
| 125 cyg_vector_t lvl1 = 1 % (CYGNUM_HAL_ISR_COUNT); | |
| 126 cyg_vector_t lvl2 = 15 % (CYGNUM_HAL_ISR_COUNT); | |
| 127 int in_use; | |
| 128 | |
| 0 | 129 cyg_VSR_t *old_vsr, *new_vsr; |
| 130 | |
| 131 CYG_TEST_INIT(); | |
| 2 | 132 |
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133 #ifdef CYGPKG_HAL_MIPS_TX39 |
| 2 | 134 // This can be removed when PR 17831 is fixed |
| 135 if ( cyg_test_is_simulator ) | |
| 136 v1 = 12 % CYGNUM_HAL_ISR_COUNT; | |
| 137 else /* NOTE TRAILING ELSE... */ | |
| 138 #endif | |
| 139 v1 = 6 % CYGNUM_HAL_ISR_COUNT; | |
| 0 | 140 |
| 141 CHECK(flash()); | |
| 142 CHECK(flash()); | |
| 143 | |
| 2 | 144 // Make sure the chosen levels are not already in use. |
| 145 HAL_INTERRUPT_IN_USE( lvl1, in_use ); | |
| 146 intr0 = 0; | |
| 147 if (!in_use) | |
| 148 cyg_interrupt_create(lvl1, 1, (cyg_addrword_t)777, isr0, dsr0, | |
| 149 &intr0, &intr_obj[0]); | |
| 0 | 150 |
| 2 | 151 HAL_INTERRUPT_IN_USE( lvl2, in_use ); |
| 152 intr1 = 0; | |
| 153 if (!in_use && lvl1 != lvl2) | |
| 154 cyg_interrupt_create(lvl2, 1, 888, isr1, dsr1, &intr1, &intr_obj[1]); | |
| 0 | 155 |
| 156 // Check these functions at least exist | |
| 157 | |
| 158 cyg_interrupt_enable(); | |
| 159 cyg_interrupt_disable(); | |
| 160 | |
| 2 | 161 if (intr0) |
| 162 cyg_interrupt_attach(intr0); | |
| 163 if (intr1) | |
| 164 cyg_interrupt_attach(intr1); | |
| 165 if (intr0) | |
| 166 cyg_interrupt_detach(intr0); | |
| 167 if (intr1) | |
| 168 cyg_interrupt_detach(intr1); | |
| 0 | 169 |
| 170 // If this attaching interrupt replaces the previous interrupt | |
| 171 // instead of adding to it we could be in a big mess if the | |
| 172 // vector is being used by something important. | |
| 2 | 173 |
| 0 | 174 cyg_interrupt_get_vsr( v, &old_vsr ); |
| 175 cyg_interrupt_set_vsr( v, vsr0 ); | |
| 176 cyg_interrupt_get_vsr( v, &new_vsr ); | |
| 177 CHECK( vsr0 == new_vsr ); | |
| 178 | |
| 179 new_vsr = NULL; | |
| 180 cyg_interrupt_get_vsr( v, &new_vsr ); | |
| 181 cyg_interrupt_set_vsr( v, old_vsr ); | |
| 182 CHECK( new_vsr == vsr0 ); | |
| 183 | |
| 184 cyg_interrupt_set_vsr( v, new_vsr ); | |
| 185 new_vsr = NULL; | |
| 2 | 186 cyg_interrupt_get_vsr( v, &new_vsr ); |
| 0 | 187 CHECK( vsr0 == new_vsr ); |
| 188 | |
| 189 cyg_interrupt_set_vsr( v, old_vsr ); | |
| 190 CHECK( vsr0 == new_vsr ); | |
| 191 new_vsr = NULL; | |
| 192 cyg_interrupt_get_vsr( v, &new_vsr ); | |
| 193 CHECK( old_vsr == new_vsr ); | |
| 2 | 194 |
| 0 | 195 CHECK( NULL != vsr0 ); |
| 196 | |
| 197 cyg_interrupt_mask(v1); | |
| 198 cyg_interrupt_unmask(v1); | |
| 199 | |
| 200 cyg_interrupt_configure(v1, true, true); | |
| 201 | |
| 202 CYG_TEST_PASS_FINISH("Kernel C API Intr 0 OK"); | |
| 203 } | |
| 204 | |
| 205 externC void | |
| 206 cyg_start( void ) | |
| 207 { | |
| 208 kintr0_main(); | |
| 209 } | |
| 210 | |
| 211 #else /* def CYGFUN_KERNEL_API_C */ | |
| 212 externC void | |
| 213 cyg_start( void ) | |
| 214 { | |
| 215 CYG_TEST_INIT(); | |
| 2 | 216 CYG_TEST_NA("Kernel C API layer disabled"); |
| 0 | 217 } |
| 218 #endif /* def CYGFUN_KERNEL_API_C */ | |
| 219 | |
| 220 /* EOF kintr0.c */ |