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* rtems: Fix message manager documentationSebastian Huber2021-09-161-2/+2
| | | | | | | Correct the description of the ``count`` parameter of rtems_message_queue_flush(). Update #4508.
* rtems: Add header files to Doxygen groupsSebastian Huber2021-09-157-0/+14
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* rtems: Move Doxygen group definitionSebastian Huber2021-09-152-10/+8
| | | | | Move the definition of the top-level Classic API implementation group to an implementation header file.
* rtems: Improve Classic API group descriptionSebastian Huber2021-09-151-1/+1
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* rtems: Fix message manager documentationSebastian Huber2021-09-151-8/+10
| | | | | | | Remove bogus return status from rtems_message_queue_receive(). Clarify rtems_message_queue_flush(). Update #4508.
* rtems: Generate <rtems/extension.h>Sebastian Huber2021-09-151-177/+588
| | | | | | | | | | | | Remove the duplicated description which is an out dated copy and paste from the Classic API Guide. Instead, thoroughly document the individual extensions. Change license to BSD-2-Clause according to file histories and documentation re-licensing agreement. Update #3899. Update #3993.
* rtems: Generate <rtems/rtems/cache.h>Sebastian Huber2021-09-151-150/+512
| | | | | | | | | Change license to BSD-2-Clause according to file histories and documentation re-licensing agreement. Update #3899. Update #3993. Update #4513.
* rtems: Document time of day constraintsSebastian Huber2021-09-061-4/+13
| | | | Update #4338.
* score: Change TOD_LATEST_YEAR to 2099Sebastian Huber2021-09-061-2/+29
| | | | | | | | This simplifies the implementation a bit. Declare _TOD_Days_to_date[] in <rtems/score/todimpl.h>. Make _TOD_Days_per_month[] and _TOD_Days_since_last_leap_year[] static. Update #4338.
* score: Limit the CLOCK_REALTIME settingSebastian Huber2021-09-061-0/+9
| | | | | Limit the CLOCK_REALTIME setting to ensure that the CLOCK_REALTIME is defined for a system uptime of at least 114 years.
* score: Add _TOD_Is_valid_new_time_of_day()Sebastian Huber2021-09-061-1/+13
| | | | | | Move the TOD validation to the callers of _TOD_Set(). This avoids dead code in case only rtems_clock_set() is used in an application because rtems_clock_set() always calls _TOD_Set() with a valid time of day.
* score: Remove TOD_TICKS_PER_SECOND_method()Sebastian Huber2021-09-061-18/+2
| | | | Use _Watchdog_Ticks_per_second instead.
* score: Return status in _TOD_Adjust()Sebastian Huber2021-09-061-1/+4
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* score: Document thread queue operationsSebastian Huber2021-09-032-9/+61
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* libtest: Return fixture context in T_case_begin()Sebastian Huber2021-09-021-1/+1
| | | | This makes it similar to T_push_fixture().
* score: Update priority only if necessarySebastian Huber2021-09-011-2/+2
| | | | | | In _Thread_queue_Flush_critical(), update the priority of the thread queue owner only if necessary. The scheduler update priority operation could be expensive.
* score: Remove _Thread_queue_Unblock_critical()Sebastian Huber2021-09-011-28/+6
| | | | | This function was only used in one place. Replace it with a call to _Thread_queue_Resume().
* score: Remove _Thread_queue_First_locked()Sebastian Huber2021-09-011-28/+0
| | | | | The _Thread_queue_First_locked() was only used in one place. Move the code of this inline function to this place.
* score: Fix blocking message queue receiveSebastian Huber2021-09-012-54/+25
| | | | | | | | | | | | | In order to ensure FIFO fairness across schedulers, the thread queue surrender operation must be used to dequeue a thread from the thread queue. The thread queue extract operation is intended for timeouts. Add _Thread_queue_Resume() which may be used to make extracted or surrendered threads ready again. Remove the now unused _Thread_queue_Extract_critical() function. Close #4509.
* score: Fix priority discipline handlingSebastian Huber2021-09-014-101/+61
| | | | | | | | | | | The priority queues in clustered scheduling configurations use a per scheduler priority queue rotation to ensure FIFO fairness across schedulers. This mechanism is implemented in the thread queue surrender operation. Unfortunately some semaphore and message queue directives used wrongly the thread queue extract operation. Fix this through the use of _Thread_queue_Surrender(). Update #4358.
* score: Delete unused rtems_ada_selfSebastian Huber2021-08-181-5/+0
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* score: Make zombie registry observableSebastian Huber2021-08-181-0/+27
| | | | | | This helps to write tests for _Thread_Wait_for_execution_stop(). Rename Thread_Zombie_control in Thread_Zombie_registry.
* score: Simplify _Scheduler_Tick()Sebastian Huber2021-08-121-4/+22
| | | | | | | | | | | | | | | | | | The NULL pointer check for the executing thread was introduced by commit: commit be3c257286ad870d8d1a64941cde53fd2d33a633 Author: Sebastian Huber <sebastian.huber@embedded-brains.de> Date: Thu Jun 5 11:17:26 2014 +0200 score: Avoid NULL pointer access Check that the executing thread is not NULL in _Scheduler_Tick(). It may be NULL in case the processor has an optional scheduler assigned and the system was not able to start the processor. However, it is no longer necessary since now the clock interrupt is distributed to the online processors.
* score: Replace the single use of a sequence lockSebastian Huber2021-08-122-28/+63
| | | | | | | | | In SMP configurations, on 64-bit architectures use plain atomic operations to set/get the priority value of a scheduler node. On 32-bit architectures use an ISR lock. Using a sequence lock has no real benefit since it uses atomic read-modify-write operations for both the read and the write lock. Simply use a ticket lock instead so that only one SMP synchronization primitive is used for everything.
* score: Replace priority prepend it with an enumSebastian Huber2021-08-126-41/+69
| | | | | | | | Use the new Priority_Group_order enum instead of a boolean to indicated if a priority should be inserted as the first or last node into its priority group. This makes the code more expressive. It is also a bit more efficient since a branch in _Scheduler_Node_set_priority() is avoided and a simple bitwise or operation can be used.
* rtems: Fix rtems_partition_return_buffer()Sebastian Huber2021-08-122-6/+11
| | | | | | | | The rtems_partition_return_buffer() wrongly accepted which were exactly at the buffer area end. Use the buffer area limit address for the range checking. Close #4490.
* Test needed for timer_create with CLOCK_MONOTONCZacchaeus Leung2021-08-111-0/+1
| | | | | | | | the timer_create() method can use CLOCK_MONOTONIC but there was no test for this. Also it implements the functionality to create a CLOCK_MONOTONIC timer and gettime() . Closes #3888
* rtems: Generate <rtems/bspIo.h>Sebastian Huber2021-08-021-77/+296
| | | | | | | | | | | | Change license to BSD-2-Clause according to file histories and documentation re-licensing agreement. Place the group into the I/O Manager group. Add all source files to the group. Update #3899. Update #3993. Update #4482.
* score: Change _SMP_Send_message() parameter typeSebastian Huber2021-07-291-4/+5
| | | | | Use the processor control to specify the target processor since this is what the callers have available.
* score: Add _Per_CPU_Submit_job()Sebastian Huber2021-07-291-4/+16
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* score: Remove SMP message multicast/broadcastSebastian Huber2021-07-281-22/+0
| | | | | Remove the unused _SMP_Send_message_multicast() and _SMP_Send_message_broadcast().
* score: Simplify SMP processor state handlingSebastian Huber2021-07-282-37/+66
| | | | | | | | The per-CPU states which control the SMP system initialization were added quite early during the SMP support development. Replace this initial implementation with a simplified one. There is no longer a global SMP lock required which serialized the state changes of all processors. The new implementation better integrates with the per-CPU jobs.
* score: Remove processor event broadcast/receiveSebastian Huber2021-07-281-1/+34
| | | | | | Remove _CPU_SMP_Processor_event_broadcast() and _CPU_SMP_Processor_event_receive(). These functions are hard to use since they are subject to the lost wake up problem.
* score: Remove _Internal_errors_What_happenedSebastian Huber2021-07-281-17/+1
| | | | | | | | | | Users have access to the fatal error source and code though the fatal error extension. The user-specific fatal error handling should be done in statically initialized fatal error handlers. The _Internal_errors_What_happened was updated after the fatal error extension. In addition, there was no API to get the information stored in _Internal_errors_What_happened. In SMP configurations, this object could contain a mix of different fatal errors. Remove this object to save some bytes of storage.
* rtems: Add rtems_interrupt_entry_install()Sebastian Huber2021-07-261-0/+237
| | | | | | | | | | Add RTEMS_INTERRUPT_ENTRY_INITIALIZER(), rtems_interrupt_entry_initialize(), and rtems_interrupt_entry_remove(). This allows to install interrupt handlers using user-provided storage as an alternative to rtems_interrupt_handler_install() which has to allocate memory. Update #3269.
* rtems: Add RTEMS_FATAL_SOURCE_SPURIOUS_INTERRUPTSebastian Huber2021-07-261-0/+7
| | | | | | | | Add RTEMS_FATAL_SOURCE_SPURIOUS_INTERRUPT as the fatal source for spurious interrupts. Use the interrupt vector number of the spurious interrupt for the fatal code. Update #3269.
* rtems: Add rtems_interrupt_is_pending()Sebastian Huber2021-07-261-0/+54
| | | | Update #3269.
* rtems: Add rtems_interrupt_vector_is_enabled()Sebastian Huber2021-07-261-0/+50
| | | | Update #3269.
* rtems: Add rtems_interrupt_vector_enable()Sebastian Huber2021-07-261-0/+88
| | | | | | Add rtems_interrupt_vector_disable(). Update #3269.
* rtems: Add rtems_interrupt_get_attributes()Sebastian Huber2021-07-261-0/+207
| | | | | | | Add a directive to query the attributes of an interrupt vector. This can be used for generic tests and system diagnostics. Update #3269.
* rtems: Generate <rtems/irq-extension.h>Sebastian Huber2021-07-261-476/+1354
| | | | | | | | | | | | | Use <rtems/score/chain.h> which just provides the data types and avoid a dependency on <rtems/chain.h> which contains the full chain implementation. Change license to BSD-2-Clause according to file histories and documentation re-licensing agreement. Update #3269. Update #3899. Update #3993.
* rtems: Add rtems_interrupt_raise()Sebastian Huber2021-07-261-37/+125
| | | | | | | | Add rtems_interrupt_raise_on(). Document the currently not implemented rtems_interrupt_clear(). Remove the not implemented and badly named rtems_interrupt_cause() directive. Update #3269.
* cpukit: occured -> occurredSebastian Huber2021-07-168-15/+15
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* rtems: Fix Doxygen commentSebastian Huber2021-07-151-2/+2
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* rtems: Do not broadcast to signal a condition varSebastian Huber2021-07-011-1/+1
| | | | Close #4463.
* Update Strong APA SchedulerRichi Dubey2021-06-242-37/+135
| | | | | | | | | | This change allows for the migration of higher priority tasks on the arrival of a lower priority task limited by affinity constraints. Change license to BSD-2-Clause according to file history and re-licensing agreement. Update #3053.
* i2c: Add non blocking read / writeChristian Mauderer2021-06-221-1/+43
| | | | | | | This adds the possibility to open an I2C bus with O_NONBLOCK (or set it later via fcntl) to get non-blocking transmissions. This means that if the bus is busy, a read, write or transfer ioctl will return with a EAGAIN errno.
* rtems: Fix rtems_task_set_affinity() docsSebastian Huber2021-06-171-1/+1
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* Use a common phrase for pointer parametersSebastian Huber2021-06-1514-181/+180
| | | | | | | Mention the type of the pointer in the parameter description. Use the more general term "object" instead of "variable". Update #3993.
* score: Add PER_CPU_DATA_NEED_INITIALIZATION()Sebastian Huber2021-06-101-0/+14
| | | | | | | | | Make the initialization of the per-CPU data optional. Change license to BSD-2-Clause according to file history and re-licensing agreement. Update #3053.
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