[6a941e3] | 1 | /* |
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| 2 | * Copyright (c) 2015 embedded brains GmbH. All rights reserved. |
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| 3 | * |
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| 4 | * embedded brains GmbH |
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| 5 | * Dornierstr. 4 |
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| 6 | * 82178 Puchheim |
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| 7 | * Germany |
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| 8 | * <rtems@embedded-brains.de> |
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| 9 | * |
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| 10 | * The license and distribution terms for this file may be |
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| 11 | * found in the file LICENSE in this distribution or at |
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| 12 | * http://www.rtems.com/license/LICENSE. |
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| 13 | */ |
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| 14 | |
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| 15 | #ifdef HAVE_CONFIG_H |
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| 16 | #include "config.h" |
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| 17 | #endif |
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| 18 | |
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| 19 | #include <tmacros.h> |
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| 20 | #include <intrcritical.h> |
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| 21 | |
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| 22 | #include <string.h> |
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| 23 | |
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| 24 | #include <rtems.h> |
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| 25 | #include <rtems/score/schedulerpriority.h> |
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| 26 | #include <rtems/score/threadimpl.h> |
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| 27 | |
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| 28 | const char rtems_test_name[] = "SPINTRCRITICAL 23"; |
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| 29 | |
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| 30 | typedef struct { |
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| 31 | RTEMS_INTERRUPT_LOCK_MEMBER(lock) |
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| 32 | rtems_id task_id; |
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| 33 | Thread_Control *tcb; |
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| 34 | rtems_task_priority priority_task; |
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| 35 | rtems_task_priority priority_interrupt; |
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| 36 | uint32_t priority_generation; |
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| 37 | Scheduler_priority_Node scheduler_node; |
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| 38 | bool done; |
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| 39 | } test_context; |
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| 40 | |
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| 41 | static test_context ctx_instance; |
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| 42 | |
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| 43 | static Thread_Control *get_tcb(rtems_id id) |
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| 44 | { |
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| 45 | Objects_Locations location; |
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| 46 | Thread_Control *tcb; |
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| 47 | |
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| 48 | tcb = _Thread_Get(id, &location); |
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| 49 | _Objects_Put(&tcb->Object); |
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| 50 | |
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| 51 | rtems_test_assert(tcb != NULL && location == OBJECTS_LOCAL); |
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| 52 | |
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| 53 | return tcb; |
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| 54 | } |
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| 55 | |
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| 56 | static bool scheduler_node_unchanged(const test_context *ctx) |
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| 57 | { |
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| 58 | return memcmp( |
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| 59 | &ctx->scheduler_node, |
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| 60 | ctx->tcb->Scheduler.node, |
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| 61 | sizeof(ctx->scheduler_node) |
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| 62 | ) == 0; |
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| 63 | } |
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| 64 | |
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| 65 | static void change_priority(rtems_id timer, void *arg) |
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| 66 | { |
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| 67 | /* The arg is NULL */ |
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| 68 | test_context *ctx = &ctx_instance; |
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| 69 | rtems_interrupt_lock_context lock_context; |
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| 70 | rtems_task_priority priority_interrupt; |
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| 71 | rtems_task_priority priority_task; |
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| 72 | |
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| 73 | rtems_interrupt_lock_acquire(&ctx->lock, &lock_context); |
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| 74 | if ( |
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| 75 | ctx->priority_generation != ctx->tcb->priority_generation |
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| 76 | && scheduler_node_unchanged(ctx) |
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| 77 | ) { |
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| 78 | ctx->done = true; |
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| 79 | priority_interrupt = ctx->priority_interrupt; |
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| 80 | priority_task = ctx->priority_task; |
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| 81 | } |
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| 82 | rtems_interrupt_lock_release(&ctx->lock, &lock_context); |
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| 83 | |
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| 84 | if (ctx->done) { |
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| 85 | rtems_status_code sc; |
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| 86 | rtems_task_priority previous; |
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| 87 | |
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| 88 | sc = rtems_task_set_priority( |
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| 89 | ctx->task_id, |
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| 90 | priority_interrupt, |
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| 91 | &previous |
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| 92 | ); |
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| 93 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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| 94 | rtems_test_assert(previous == priority_task); |
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| 95 | } |
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| 96 | } |
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| 97 | |
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| 98 | static bool test_body(void *arg) |
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| 99 | { |
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| 100 | test_context *ctx = arg; |
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| 101 | rtems_status_code sc; |
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| 102 | rtems_interrupt_lock_context lock_context; |
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| 103 | rtems_task_priority priority_last; |
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| 104 | rtems_task_priority priority_task; |
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| 105 | rtems_task_priority priority_interrupt; |
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| 106 | rtems_task_priority previous; |
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| 107 | |
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| 108 | rtems_interrupt_lock_acquire(&ctx->lock, &lock_context); |
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| 109 | priority_last = ctx->priority_task; |
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| 110 | priority_task = 1 + (priority_last + 1) % 3; |
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| 111 | priority_interrupt = 1 + (priority_task + 1) % 3; |
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| 112 | ctx->priority_task = priority_task; |
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| 113 | ctx->priority_interrupt = priority_interrupt; |
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| 114 | ctx->priority_generation = ctx->tcb->priority_generation; |
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| 115 | memcpy( |
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| 116 | &ctx->scheduler_node, |
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| 117 | ctx->tcb->Scheduler.node, |
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| 118 | sizeof(ctx->scheduler_node) |
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| 119 | ); |
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| 120 | rtems_interrupt_lock_release(&ctx->lock, &lock_context); |
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| 121 | |
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| 122 | sc = rtems_task_set_priority( |
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| 123 | ctx->task_id, |
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| 124 | priority_task, |
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| 125 | &previous |
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| 126 | ); |
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| 127 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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| 128 | rtems_test_assert(previous == priority_last); |
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| 129 | |
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| 130 | if (ctx->done) { |
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| 131 | sc = rtems_task_set_priority( |
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| 132 | ctx->task_id, |
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| 133 | RTEMS_CURRENT_PRIORITY, |
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| 134 | &previous |
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| 135 | ); |
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| 136 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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| 137 | rtems_test_assert(previous == priority_interrupt); |
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| 138 | } |
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| 139 | |
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| 140 | return ctx->done; |
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| 141 | } |
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| 142 | |
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| 143 | static void Init(rtems_task_argument arg) |
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| 144 | { |
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| 145 | test_context *ctx = &ctx_instance; |
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| 146 | rtems_status_code sc; |
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| 147 | |
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| 148 | TEST_BEGIN(); |
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| 149 | |
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| 150 | rtems_interrupt_lock_initialize(&ctx->lock, "Test"); |
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| 151 | ctx->priority_task = 1; |
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| 152 | |
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| 153 | sc = rtems_task_create( |
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| 154 | rtems_build_name('T', 'E', 'S', 'T'), |
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| 155 | ctx->priority_task, |
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| 156 | RTEMS_MINIMUM_STACK_SIZE, |
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| 157 | RTEMS_DEFAULT_MODES, |
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| 158 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 159 | &ctx->task_id |
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| 160 | ); |
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| 161 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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| 162 | |
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| 163 | ctx->tcb = get_tcb(ctx->task_id); |
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| 164 | |
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| 165 | interrupt_critical_section_test(test_body, ctx, change_priority); |
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| 166 | rtems_test_assert(ctx->done); |
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| 167 | |
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| 168 | TEST_END(); |
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| 169 | rtems_test_exit(0); |
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| 170 | } |
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| 171 | |
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| 172 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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| 173 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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| 174 | |
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| 175 | #define CONFIGURE_MICROSECONDS_PER_TICK 1000 |
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| 176 | |
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| 177 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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| 178 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
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| 179 | #define CONFIGURE_MAXIMUM_USER_EXTENSIONS 1 |
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| 180 | |
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| 181 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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| 182 | |
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| 183 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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| 184 | |
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| 185 | #define CONFIGURE_INIT |
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| 186 | |
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| 187 | #include <rtems/confdefs.h> |
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