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* score: Assert job properties in _Per_CPU_Add_job()Sebastian Huber2021-07-291-0/+2
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* score: Add _Per_CPU_Submit_job()Sebastian Huber2021-07-295-12/+27
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* score: Split SMP multicast action moduleSebastian Huber2021-07-295-32/+157
| | | | | Split up the SMP multicast action module since the use of the SMP multicast action variants depend on the architecture and BSP.
* score: Return value in _SMP_Process_message()Sebastian Huber2021-07-281-0/+2
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* score: Canonicalize _CPU_Fatal_halt()Sebastian Huber2021-07-2851-287/+225
| | | | | | | | Move _CPU_Fatal_halt() declaration to <rtems/score/cpuimpl.h> and make sure it is a proper declaration of a function which does not return. Fix the type of the error code. If necessary, add the implementation to cpu.c. Implementing _CPU_Fatal_halt() as a function makes it possible to wrap this function for example to fully test _Terminate().
* score: Move per-CPU jobs supportSebastian Huber2021-07-283-86/+128
| | | | Add percpujobs.c to contain the per-CPU jobs implementation.
* score: Remove SMP message multicast/broadcastSebastian Huber2021-07-282-61/+1
| | | | | Remove the unused _SMP_Send_message_multicast() and _SMP_Send_message_broadcast().
* score: Simplify SMP processor state handlingSebastian Huber2021-07-286-227/+209
| | | | | | | | 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 Huber2021-07-2812-125/+51
| | | | | | 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.
* libcsupport: Consistent rtems_putc() outputSebastian Huber2021-07-281-16/+34
| | | | | | | | | Use the same function to output the '\r\n' combination produced by rtems_putc(). Fix the format. Change licence according to file history. Update #3053.
* libcsupport: Fix TOCTOU in getchark()Sebastian Huber2021-07-281-8/+13
| | | | | | | Use the same function pointer value to check against NULL and call the function (if non-NULL). Fix format, add Doxygen comments, and reduce includes.
* score: Remove _Internal_errors_What_happenedSebastian Huber2021-07-282-27/+2
| | | | | | | | | | 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 Huber2021-07-262-1/+9
| | | | | | | | 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 Huber2021-07-1623-64/+64
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* sparc: Prefer RTEMS_FATAL_SOURCE_EXCEPTIONSebastian Huber2021-07-151-14/+0
| | | | | | Prefer RTEMS_FATAL_SOURCE_EXCEPTION over INTERNAL_ERROR_ILLEGAL_USE_OF_FLOATING_POINT_UNIT since the fatal code (rtems_exception_frame) provides more context.
* rtems: Fix Doxygen commentSebastian Huber2021-07-151-2/+2
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* Fix compiler warnings for schedulerstrongapa.cRichi Dubey2021-07-061-4/+20
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* rtems: Do not broadcast to signal a condition varSebastian Huber2021-07-011-1/+1
| | | | Close #4463.
* arm: For AArch32 use non-shareable memorySebastian Huber2021-06-291-2/+2
| | | | | | | | The Cortex-R52 does not support cache coherency and the shareable memory attribute. If a region is configured to be shareable, then it falls back to use non-cacheable memory. Update #4202.
* arm: Fix AARCH32_PMSA_ATTR_XN valueSebastian Huber2021-06-291-1/+1
| | | | Update #4202.
* arm: Fix AArch32 memory attribute definesSebastian Huber2021-06-291-4/+4
| | | | Update #4202.
* arm: Disable alignment check in PMSA initSebastian Huber2021-06-291-1/+1
| | | | | | | Disable the alignment check through SCTLR[A] in _AArch32_PMSA_Initialize(). Update #4202.
* Update Strong APA SchedulerRichi Dubey2021-06-243-229/+924
| | | | | | | | | | 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.
* sparc: Simplify trap table initializationSebastian Huber2021-06-244-54/+639
| | | | | | | | | | | | | | | Move _ISR_Handler() to a separate file since it is now only used if a handler is installed by _CPU_ISR_install_raw_handler(). Statically initialize the traps for external interrupts to use the new _SPARC_Interrupt_trap() which directly dispatches the interrupt handlers installed by rtems_interrupt_handler_install() via the BSP-provided _SPARC_Interrupt_dispatch(). Since the trap table is now fully statically initialized, there is no longer a dependency on the Cache Manager in the default configuration. Update #4458.
* sparc: Move FP frame offset defines to cpuimpl.hSebastian Huber2021-06-242-57/+57
| | | | | | This makes them usable in multiple files. Update #4458.
* sparc: More reliable bad trap handlingSebastian Huber2021-06-246-1/+515
| | | | | | | | | | | | | Statically initialize the trap table in start.S to jump to _SPARC_Bad_trap() for all unexpected traps. This enables a proper RTEMS fatal error handling right from the start. Do not rely on the stack and register settings which caused an unexpected trap. Use the ISR stack of the processor to do the fatal error handling. Save the full context which caused the trap. Fatal error handler may use it for error logging. Unify the _CPU_Exception_frame_print() implementations and move it to cpukit. Update #4459.
* sparc: Move ISR handler install routinesSebastian Huber2021-06-243-174/+202
| | | | | | | | Move _CPU_ISR_install_raw_handler() and _CPU_ISR_install_vector() to separate files. The goal is to make their use optional. Update #4458. Update #4459.
* score: Move _ISR_Vector_table[] to separate fileSebastian Huber2021-06-243-8/+49
| | | | | | | | | | The _ISR_Handler_initialization() does not touch the _ISR_Vector_table[]. Move the definition of _ISR_Vector_table[] to a separate file. Change license to BSD-2-Clause according to file history and re-licensing agreement. Update #3053.
* score: Remove bogus _ISR_Nest_level settingSebastian Huber2021-06-241-4/+0
| | | | | | | This variable is actually contained in _Per_CPU_Information[] which is already zero initialized. Remove superfluous includes.
* score: Remove _CPU_Initialize_vectors()Sebastian Huber2021-06-2413-76/+0
| | | | | | | This CPU port macro was not used. Since the _ISR_Vector_table[] is statically allocated, CPU ports could initialize this table in _CPU_Initialize() if necessary. Remove _CPU_Initialize_vectors() to simplify the CPU port interface.
* i2c: Add non blocking read / writeChristian Mauderer2021-06-222-6/+83
| | | | | | | 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.
* cpukit: Add timespecisnonnegative to Makefile.amRyan Long2021-06-211-0/+1
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* cpu/armv7m: Fix initialization of MPU regionsChristian Mauderer2021-06-211-1/+1
| | | | | | | | | | | The write to RBAR didn't have the valid flag set. Therefore the write to RASR had an influence on the previously set region. That means for example that if Region 0 had been enabled but 1 should be disabled due to a size of 0, the previous code would have disabled region 0 instead. This patch fixes that behaviour. Close #4450
* cpu/armv7m: Avoid regions with negative sizeChristian Mauderer2021-06-211-1/+1
| | | | | | | Don't initialze regions that have a negative size (for example due to a wrong calculation). Update #4450
* rtems: Fix rtems_task_set_affinity() docsSebastian Huber2021-06-171-1/+1
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* arm: Fix parameter use in AARCH32_PMSA_MEM_ATTR()Sebastian Huber2021-06-161-1/+1
| | | | Update #4202.
* score: Comment _Thread_queue_Surrender_sticky()Sebastian Huber2021-06-151-1/+7
| | | | | The change also helps to avoid reports from static analysers since most callers of _Thread_queue_Make_ready_again() check the unblock status.
* 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 Huber2021-06-105-55/+113
| | | | | | | | | 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.
* score: Fix initialization of thread queue contextSebastian Huber2021-06-106-9/+15
| | | | | | | Set Thread_queue_Context::timeout_absolute in _Thread_queue_Context_set_timeout_argument() to avoid using it uninitialized. The bug was introduced by a89ecaa1a94d49ddae7753d6b83923e9d2a00486.
* sysconf: Remove sysconf(515)Ryan Long2021-06-091-4/+0
| | | | | | | GCC originally needed this 20 years ago. No longer needed, so it is being removed. Closes #4391
* main_edit.c: get rid of malloc warningRyan Long2021-06-091-8/+8
| | | | | | A warning was present when building RTEMS that stated that the argument for malloc() exceeded the maximum object size. To get rid of this, I changed many places where 'int' was being used to 'size_t'.
* futimens.c, utime.c: Remove unnecessary include of <sys/stat.h>.Joel Sherrill2021-06-092-2/+0
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