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* sparc: Increase CPU_STRUCTURE_ALIGNMENT to 32Sebastian Huber2014-02-131-1/+1
| | | | Recent LEON4 systems use a cache line size of 32 bytes.
* sparc: Save/restore only non-volatile contextSebastian Huber2014-02-122-64/+74
| | | | | | | | | | The _CPU_Context_switch() is a normal function call. The following registers are volatile (the caller must assume that the register contents are destroyed by the callee) according to "SYSTEM V APPLICATION BINARY INTERFACE - SPARC Processor Supplement", Third Edition: g1, o0, o1, o2, o3, o4, o5. Drop these registers from the context. Ensure that offset defines match the structure offsets.
* score: Format _Thread_Get_maximum_internal_threadsSebastian Huber2014-02-101-3/+2
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* score: _CPU_Context_switch_to_first_task_smp()Sebastian Huber2014-02-056-41/+1
| | | | | Delete _CPU_Context_switch_to_first_task_smp() and use _CPU_Context_restore() instead.
* Add thread-local storage (TLS) supportSebastian Huber2014-02-0446-55/+521
| | | | | Tested and implemented on ARM, m68k, PowerPC and SPARC. Other architectures need more work.
* score: Add _Thread_Get_maximum_internal_threads()Sebastian Huber2014-02-042-11/+20
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* score: Add _Heap_Size_with_overhead()Sebastian Huber2014-02-041-0/+23
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* score: Add _Workspace_Allocate_aligned()Sebastian Huber2014-02-042-0/+16
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* arm: Add ARMv7-M SHCSR register bitsSebastian Huber2014-01-101-0/+6
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* cpukit/rtems: Add rtems_clock_get_uptime_nanoseconds to the RTEMS API.Chris Johns2013-12-245-3/+84
| | | | | | Add Timestamp support in the score to return a timestamp in nanoseconds. Add a test. Update the RTEMS API documentation.
* arm: Fix set by but not used warningSebastian Huber2013-12-161-1/+2
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* no_cpu/cpusmplock.h: Clean up to be compilableJoel Sherrill2013-12-141-0/+4
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* arm: Clear reservationsSebastian Huber2013-12-032-1/+2
| | | | | Recent GCC versions use atomic operations based on load/store exclusive in the C++ library.
* score: Minor _Thread_Dispatch() optimizationSebastian Huber2013-12-021-2/+1
| | | | | It is not necessary to load the executing thread control again after the context switch since it is an invariant of the executing thread.
* nios2: TyposSebastian Huber2013-11-261-2/+2
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* score: Format changes in _Thread_Set_state()Sebastian Huber2013-11-261-8/+8
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* score: Simplify _Thread_queue_Dequeue_priority()Sebastian Huber2013-11-261-2/+2
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* score: Use local variables for consistencySebastian Huber2013-11-261-3/+3
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* score/rbtree: Remove "unprotected" from APISebastian Huber2013-11-2111-36/+36
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* score/rbtree: Delete protected operationsSebastian Huber2013-11-218-299/+9
| | | | | The user of the red-black tree container must now ensure that at most one thread at once can access an instance.
* scheduler/EDF: Use unprotected insert and extractSebastian Huber2013-11-213-4/+4
| | | | | | Interrupts are disabled by the caller _Thread_Change_priority() or _Thread_Set_transient() or directly in the scheduler operation. Thus there is no need to use protected variants.
* powerpc: Add r2 to CPU contextSebastian Huber2013-11-183-11/+13
| | | | The r2 may be used for thread-local storage.
* powerpc: Do not validate reserved XER bitsSebastian Huber2013-11-181-2/+2
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* score: Objects_Information::extract visibilitySebastian Huber2013-11-181-2/+2
| | | | This filed is only used if RTEMS_MULTIPROCESSING is defined.
* heapgetinfo: Free all delayed blocksSebastian Huber2013-11-181-0/+1
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* no_cpu/.../cpu.h: Comment improvementJoel Sherrill2013-11-141-0/+5
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* mips/.../cpu.h: Comment improvementJoel Sherrill2013-11-141-1/+3
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* score: New state STATES_WAITING_FOR_BSD_WAKEUPSebastian Huber2013-10-311-0/+3
| | | | This state is necessery to implement the SLEEP(9) FreeBSD kernel API.
* basedefs.h: Add RTEMS_COMPILER_UNUSED_ATTRIBUTE.Joel Sherrill2013-09-221-0/+11
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* arm: Fix inconsistent define usageSebastian Huber2013-09-061-2/+3
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* nios2: Include proper header fileSebastian Huber2013-09-031-1/+1
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* score: Use void * for some atomic pointer opsSebastian Huber2013-09-032-25/+26
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* score: Use unsigned long for atomic integersSebastian Huber2013-09-032-66/+66
| | | | | | | Use unsigned long instead of uint_fast32_t since C11 provides only a ATOMIC_LONG_LOCK_FREE macro constant. This makes it also possible to use properly typed integer literals like 123UL. It is now clear which compatible type should be used for the atomic integer.
* smp: Add and use _Assert_Owner_of_giant()Sebastian Huber2013-08-308-19/+62
| | | | | | | | | | | | | | Add and use _ISR_Disable_without_giant() and _ISR_Enable_without_giant() if RTEMS_SMP is defined. On single processor systems the ISR disable/enable was the big hammer which ensured system-wide mutual exclusion. On SMP configurations this no longer works since other processors do not care about disabled interrupts on this processor and continue to execute freely. On SMP in addition to ISR disable/enable an SMP lock must be used. Currently we have only the Giant lock so we can check easily that ISR disable/enable is used only in the right context.
* score: Atomic flag changesSebastian Huber2013-08-282-56/+29
| | | | | | | Delete _Atomic_Init_flag(). Change ATOMIC_INITIALIZER_FLAG into a constant. Rename _Atomic_Clear_flag() to _Atomic_Flag_clear(). Rename _Atomic_Test_set_flag() to _Atomic_Flag_test_and_set(). This is now in line with the C11 schema.
* score: Simplify <rtems/score/cpuatomic.h>WeiY2013-08-2817-510/+102
| | | | Add proper license and copyright.
* score: Use static inline directlySebastian Huber2013-08-282-43/+43
| | | | This file uses already C11 features. Include proper header file.
* add atomic init functionWeiY2013-08-282-0/+75
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* score: Add SMP support to _Watchdog_Report_chain()Sebastian Huber2013-08-271-1/+3
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* score: Add and use CHAIN_INITIALIZER_ONE_NODE().Sebastian Huber2013-08-271-0/+16
| | | | | | Add and use CHAIN_NODE_INITIALIZER_ONE_NODE_CHAIN(), RTEMS_CHAIN_INITIALIZER_ONE_NODE() and RTEMS_CHAIN_NODE_INITIALIZER_ONE_NODE_CHAIN().
* score: Delete unused function parameterSebastian Huber2013-08-265-9/+5
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* score: PR2140: Fix _Thread_queue_Process_timeout()Sebastian Huber2013-08-261-8/+37
| | | | | | The _Thread_queue_Process_timeout() operation had several race conditions in the event of nested interrupts. Protect the critical sections via disabled interrupts.
* score: PR2140: _Thread_queue_Extract()Sebastian Huber2013-08-264-11/+20
| | | | | Return if the executing context performed the extract operation since interrupts may interfere.
* smp: Fix warningsSebastian Huber2013-08-232-2/+0
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* score: _Thread_queue_Enqueue_with_handler()Sebastian Huber2013-08-2311-21/+34
| | | | | Add thread parameter to _Thread_queue_Enqueue_with_handler() to avoid access to global _Thread_Executing.
* arm: Make barrier operations more visibleSebastian Huber2013-08-221-10/+15
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* smp: DocumentationSebastian Huber2013-08-211-2/+3
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* smp: Delete RTEMS_BSP_SMP_SIGNAL_TO_SELFSebastian Huber2013-08-212-14/+0
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* smp: Disable restart of threads other than selfSebastian Huber2013-08-201-0/+10
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* smp: Add Deterministic Priority SMP SchedulerSebastian Huber2013-08-206-9/+330
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