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* Add thread-local storage (TLS) supportSebastian Huber2014-02-041-1/+2
| | | | | Tested and implemented on ARM, m68k, PowerPC and SPARC. Other architectures need more work.
* no_cpu/cpusmplock.h: Clean up to be compilableJoel Sherrill2013-12-141-0/+4
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* no_cpu/.../cpu.h: Comment improvementJoel Sherrill2013-11-141-0/+5
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* score/cpu: Add CPU_Per_CPU_controlSebastian Huber2013-08-091-0/+18
| | | | Add CPU port specific per-CPU control.
* smp: Rename _CPU_Processor_event_receive()Sebastian Huber2013-07-171-2/+2
| | | | Rename to _CPU_SMP_Processor_event_receive().
* smp: Rename _CPU_Processor_event_broadcast()Sebastian Huber2013-07-171-2/+2
| | | | Rename to _CPU_SMP_Processor_event_broadcast().
* smp: Add and use _CPU_SMP_Send_interrupt()Sebastian Huber2013-07-171-0/+10
| | | | Delete bsp_smp_interrupt_cpu().
* smp: Add and use _CPU_SMP_Get_current_processor()Sebastian Huber2013-07-171-0/+13
| | | | | | | | | | Add and use _SMP_Get_current_processor() and rtems_smp_get_current_processor(). Delete bsp_smp_interrupt_cpu(). Change type of current processor index from int to uint32_t to match _SMP_Processor_count type.
* documentation: Fix Doxygen commentsSebastian Huber2013-06-141-4/+4
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* smp: New SMP lock APISebastian Huber2013-05-313-0/+119
| | | | | | | | | | | | | | Move the SMP lock implementation to the CPU port. An optimal SMP lock implementation is highly architecture dependent. For example the memory models may be fundamentally different. The new SMP lock API has a flaw. It does not provide the ability to use a local context for acquire and release pairs. Such a context is necessary to implement for example the Mellor-Crummey and Scott (MCS) locks. The SMP lock is currently used in _Thread_Disable_dispatch() and _Thread_Enable_dispatch() and makes them to a giant lock acquire and release. Since these functions do not pass state information via a local context there is currently no use case for such a feature.
* smp: Simplify SMP initialization sequenceSebastian Huber2013-05-291-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Delete bsp_smp_wait_for(). Other parts of the system work without timeout, e.g. the spinlocks. Using a timeout here does not make the system more robust. Delete bsp_smp_cpu_state and replace it with Per_CPU_State. The Per_CPU_State follows the Score naming conventions. Add _Per_CPU_Change_state() and _Per_CPU_Wait_for_state() functions to change and observe states. Use Per_CPU_State in Per_CPU_Control instead of the anonymous integer. Add _CPU_Processor_event_broadcast() and _CPU_Processor_event_receive() functions provided by the CPU port. Use these functions in _Per_CPU_Change_state() and _Per_CPU_Wait_for_state(). Add prototype for _SMP_Send_message(). Delete RTEMS_BSP_SMP_FIRST_TASK message. The first context switch is now performed in rtems_smp_secondary_cpu_initialize(). Issuing the first context switch in the context of the inter-processor interrupt is not possible on systems with a modern interrupt controller. Such an interrupt controler usually requires a handshake protocol with interrupt acknowledge and end of interrupt signals. A direct context switch in an interrupt handler circumvents the interrupt processing epilogue and may leave the system in an inconsistent state. Release lock in rtems_smp_process_interrupt() even if no message was delivered. This prevents deadlock of the system. Simplify and format _SMP_Send_message(), _SMP_Request_other_cores_to_perform_first_context_switch(), _SMP_Request_other_cores_to_dispatch() and _SMP_Request_other_cores_to_shutdown().
* score: Add CPU context validationSebastian Huber2013-05-101-0/+31
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* RTEMS: Delete ChangeLog files.Gedare Bloom2013-03-081-435/+0
| | | | | | | | | This commit deletes all RTEMS ChangeLog files. These files have been abandoned since converting to git version control. The historical data may be recovered by checking out any commit before this one. Most of the contents of these ChangeLog files can also be found in the git log. Two external ChangeLog files, ChangeLog.slac and ChangeLog.zlib, remain.
* cpukit: Use Consistent Beginning of Doxygen Group NotationJoel Sherrill2013-01-101-4/+4
| | | | | This is the result of a sed script which converts all uses of @{ into a consistent form.
* cpukit: Add EOL on files missing EOL at EOFJoel Sherrill2013-01-101-1/+1
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* score: Doxygen Clean Up Task #5Alex Ivanov2013-01-023-669/+708
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* score: Doxygen Clean Up Task #6Mathew Kallada2012-12-291-4/+14
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* score misc: Clean up Doxygen GCI Task #12Alex Ivanov2012-12-072-41/+12
| | | | http://www.google-melange.com/gci/task/view/google/gci2012/7983217
* score: Add CPU_Exception_frameSebastian Huber2012-11-271-0/+22
| | | | | | | | | | | | | | | | | | | | | Add CPU port type CPU_Exception_frame and function _CPU_Exception_frame_print(). The CPU ports of avr, bfin, h8300, lm32, m32c, m32r, m68k, nios2, sh, sparc64, and v850 use an empty default implementation of _CPU_Exception_frame_print(). Add rtems_exception_frame and rtems_exception_frame_print(). Add RTEMS_FATAL_SOURCE_EXCEPTION for CPU exceptions. Use rtems_fatal() with source RTEMS_FATAL_SOURCE_EXCEPTION in CPU ports of i386, powerpc, and sparc for unexpected exceptions. Add third parameter to RTEMS_BSP_CLEANUP_OPTIONS() which controls the BSP_PRINT_EXCEPTION_CONTEXT define used in the default bsp_fatal_extension(). Add test sptests/spfatal26.
* score: PR1607: Add and use CPU_SIZEOF_POINTERSebastian Huber2012-11-221-0/+9
| | | | | | | | | | | | | | | | | Add and use new CPU port define CPU_SIZEOF_POINTER. It must be an integer literal that can be used by the assembler. This value will be used to calculate offsets of structure members. These offsets will be used in assembler code. The size of a pointer is part of the application binary interface (ABI) and thus independent of the actual programming language. The compiler will provide defines to determine the current ABI. We use these defines to select the appropriate CPU_SIZEOF_POINTER value. Static assertions in the new file "cpukit/score/src/percpuasm.c" will ensure that the value of CPU_SIZEOF_POINTER is consistent with the current compiler settings. Also the offset values used by assembler code are verfied.
* Remove All CVS Id Strings Possible Using a ScriptJoel Sherrill2012-05-118-18/+0
| | | | | | | | | | | | Script does what is expected and tries to do it as smartly as possible. + remove occurrences of two blank comment lines next to each other after Id string line removed. + remove entire comment blocks which only exited to contain CVS Ids + If the processing left a blank line at the top of a file, it was removed.
* Revert: Remove CVS IdsJoel Sherrill2012-05-071-0/+4
| | | | | See http://www.rtems.org/pipermail/rtems-devel/2012-May/001006.html for details.
* Remove CVS-Ids.Ralf Corsépius2012-05-041-4/+0
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* no_cpu: replace no_cpu_isr with rtems_isrGedare Bloom2012-04-161-6/+0
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* Remove all .cvsignore files.Joel Sherrill2012-02-011-2/+0
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* 2011-09-22 Sebastian Huber <sebastian.huber@embedded-brains.de>Sebastian Huber2011-09-222-0/+76
| | | | | | PR 1914/cpukit * rtems/score/cpu.h: Document CPU_TIMESTAMP_USE_STRUCT_TIMESPEC, CPU_TIMESTAMP_USE_INT64, and CPU_TIMESTAMP_USE_INT64_INLINE.
* 2011-07-24 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2011-07-242-10/+10
| | | | | * cpu.c: Remove /*PAGE markers which were interpreted by a long dead print script.
* 2011-05-17 Ralf Corsépius <ralf.corsepius@rtems.org>Ralf Corsepius2011-05-172-2/+8
| | | | * Makefile.am: Reformat.
* 2010-10-21 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2010-10-212-1/+7
| | | | | | * rtems/score/cpu.h: Add RTEMS_COMPILER_NO_RETURN_ATTRIBUTE to _CPU_Context_restore() because it does not return. Telling GCC this avoids generation of dead code.
* 2010-07-30 Gedare Bloom <giddyup44@yahoo.com>Joel Sherrill2010-07-302-1/+7
| | | | | | PR 1599/cpukit * cpu_asm.c: Rename _Context_Switch_necessary to _Thread_Dispatch_necessary to more properly reflect the intent.
* 2010-07-29 Gedare Bloom <giddyup44@yahoo.com>Joel Sherrill2010-07-293-2/+13
| | | | | | | | | | | PR 1635/cpukit * rtems/score/cpu.h, rtems/score/types.h: Refactoring of priority handling, to isolate the bitmap implementation of priorities in the supercore so that priority management is a little more modular. This change is in anticipation of scheduler implementations that can select how they manage tracking priority levels / finding the highest priority ready task. Note that most of the changes here are simple renaming, to clarify the use of the bitmap-based priority management.
* 2010-07-16 Sebastian Huber <sebastian.huber@embedded-brains.de>Sebastian Huber2010-07-163-6/+8
| | | | | * rtems/score/cpu.h: Include <rtems/score/types.h> first. * rtems/score/types.h: Use <rtems/score/basedefs.h> header file.
* 2010-06-28 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2010-06-293-17/+9
| | | | | | | | PR 1573/cpukit * cpu_asm.c, rtems/score/cpu.h: Add a per cpu data structure which contains the information required by RTEMS for each CPU core. This encapsulates information such as thread executing, heir, idle and dispatch needed.
* 2010-03-27 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2010-03-273-0/+12
| | | | * cpu.c, cpu_asm.c: Add include of config.h
* Whitespace removal.Ralf Corsepius2009-12-024-30/+30
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* 2009-02-12 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2009-02-123-2/+7
| | | | | * cpu.c, rtems/score/cpu.h: Change prototype of IDLE thread to consistently return void * and take a uintptr_t argument.
* 2009-02-11 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2009-02-113-39/+10
| | | | | | * cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and passing address of _Thread_Dispatch to _CPU_Initialize. Clean up comments.
* #include <stdint.h> instead of <rtems/stdint.h>.Ralf Corsepius2008-12-111-1/+1
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* Fix typo.Ralf Corsepius2008-12-071-1/+1
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* 2008-10-02 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2008-10-024-10/+9
| | | | | * cpu_asm.c, rtems/score/cpu.h, rtems/score/types.h: Corrections and updates.
* 2008-09-11 Ralf Corsépius <ralf.corsepius@rtems.org>Ralf Corsepius2008-09-112-8/+11
| | | | | * rtems/score/types.h: Do not define boolean, single_precision, double_precision unless RTEMS_DEPRECATED_TYPES is given.
* 2008-08-21 Ralf Corsépius <ralf.corsepius@rtems.org>Ralf Corsepius2008-08-211-0/+5
| | | | | * rtems/score/types.h: Include stdbool.h. Use bool as base-type for boolean.
* Include stdbool.h. Use bool as base-type for boolean.Ralf Corsepius2008-08-211-1/+2
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* 2008-07-31 Joel Sherrill <joel.sherrill@OARcorp.com>Joel Sherrill2008-07-313-2/+6
| | | | * cpu.c, rtems/score/cpu.h: Correct prototype of Idle threads.
* 2008-06-05 Joel Sherrill <joel.sherrill@OARcorp.com>Joel Sherrill2008-06-052-0/+21
| | | | | | | | * rtems/score/cpu.h: Add CPU_SIMPLE_VECTORED_INTERRUPTS porting parameter to indicate that the port uses the Simple Vectored Interrupt model or the Programmable Interrupt Controller Model. The PIC model is implemented primarily in the BSP and it is responsible for all memory allocation.
* 2008-01-29 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2008-01-292-1/+15
| | | | * rtems/score/cpu.h: Remove most doxygen warnings.
* 2007-12-17 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2007-12-172-0/+12
| | | | * rtems/score/cpu.h: Add _CPU_Context_Get_SP() for stack check utility.
* 2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>Joel Sherrill2007-12-112-2/+6
| | | | * rtems/score/cpu.h: Style.
* 2007-12-10 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2007-12-102-1/+4
| | | | * rtems/score/cpu.h: Fix Doxygen.
* 2007-12-04 Joel Sherrill <joel.sherrill@OARcorp.com>Joel Sherrill2007-12-043-23/+6
| | | | | | * cpu.c, rtems/score/cpu.h: Move interrupt_stack_size field from CPU Table to Configuration Table. Eliminate CPU Table from all ports. Delete references to CPU Table in all forms.
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