| Commit message (Collapse) | Author | Age | Files | Lines |
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Splitting the file avoids unnecessary link-time dependencies.
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Move _Thread_queue_Extract() since this function is not used by the core
services (threads, semaphores, mutexes, message queues).
Update #4546.
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Remove _Thread_queue_Extract_with_proxy() and move the proxy extraction
to _Thread_MP_Extract_proxy(). Move similar code blocks of the previous
caller of _Thread_queue_Extract_with_proxy() to helper functions.
Update #4546.
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This patch fixes the following broken behaviour:
While a thread is scheduled on a helping scheduler, while it does not
own a MrsP semaphore, if it obtains a MrsP semaphore, then no
scheduler node using an idle thread and the ceiling priority of the
semaphore is unblocked for the home scheduler.
This could lead to priority inversion issues and is not in line
with the MrsP protocol.
Introduce two new scheduler operations which are only enabled if
RTEMS_SMP is defined. The operations are used to make the scheduler
node of the home scheduler sticky and to clean the sticky property.
This helps to keep the sticky handing out of the frequently used
priority update operation.
Close #4532.
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These functions are a faster alternative to _RBTree_Insert_inline() if
it is known that the new node is the maximum/minimum node.
Update #4531.
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These external functions rtems_scheduler_get_processor() and
rtems_scheduler_get_processor_maximum() which may be used by bindings
for languages other than C/C++.
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Update #4548.
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tools can be tested"
This reverts commit d1bbfbea5f60f552b2b3138bb1df35c3372f2461.
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This patch set replaces the CPU budget algorithm enumeration with a set of CPU
budget operations which implement a particular CPU budget algorithm. This
helps to hide the CPU budget algorithm implementation details from the general
thread handling. The CPU budget callouts are turned into CPU budget
operations. This slightly reduces the size of the thread control block.
All schedulers used the default scheduler tick implementation. The tick
scheduler operation is removed and the CPU budget operations are directly used
in _Watchdog_Tick() if the executing thread uses a CPU budget algorithm. This
is performance improvement for all threads which do not use a CPU budget
algorithm (default behaviour).
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be tested
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This adds support for libdebugger under AArch64 using software
breakpoints and the single-step execution mode present in all AArch64
CPUs.
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This moves the AArch64 MMU memory type definitions into cpukit for use
by libdebugger since remapping of memory is required to insert software
breakpoints.
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This adds a confdef option allowing an application to request mapping
machine exceptions to POSIX signals. This is required for some languages
such as Ada.
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This adds the function implementations necessary to add exception
extensions support to AArch64.
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This adds the set of functions necessary to allow more generic handling
of machine exceptions. This initial patch offers the ability to
manipulate a CPU_Exception_frame and resume execution using that
exception information with or without thread dispatch. These functions
are gated behind the RTEMS_EXCEPTION_EXTENSIONS configuration option.
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The rate monotonic period statistics were affected by
rtems_cpu_usage_reset(). The logic to detect and work around a CPU
usage reset was broken.
The Thread_Contol::cpu_time_used is changed to contain the processor
time used throughout the entire lifetime of the thread. The new member
Thread_Contol::cpu_time_used_at_last_reset is added to contain the
processor time used at the time of the last reset through
rtems_cpu_usage_reset(). This decouples the resets of the CPU usage and
the rate monotonic period statistics.
Update #4528.
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Closes #4533
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This reworks the existing MicroBlaze architecture port and BSP to
achieve basic functionality using the latest RTEMS APIs.
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Add a stack allocator hook specifically for allocation of IDLE thread stacks.
This allows the user to decide if IDLE thread stacks are statically allocated
or handled by the same custom allocator mechanism as other thread stacks.
Closes #4524.
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This adds SMP support for AArch64 in cpukit and for the ZynqMP BSPs.
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If SMP support is enabled and the system has exactly one processor, then
it may use an uniprocessor scheduler. The ask for help, reconsider help
request, and withdraw node operations can be NULL in this case, since
they are only used if a thread has at least one helping scheduler node.
At least two schedulers are required to get a helping node and each
scheduler involved must own at least one processor. This is not
possible on a system with exactly one processor.
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The uniprocessor schedulers do not support systems with more than more
processors. So they rivially support thread pinning and thus the
SMP_FATAL_SCHEDULER_PIN_OR_UNPIN_NOT_SUPPORTED cannot happen.
Add a second default implementation for SMP schedulers which do not
support thread pinning.
Change license to BSD-2-Clause according to file history and re-licensing
agreement.
Update #3053.
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Split up rbtreenext.c since only _RBTree_Minimum() is used by the operating
system core services (thread queues and the EDF scheduler).
Change license to BSD-2-Clause according to file history and re-licensing
agreement.
Update #3053.
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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.
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Use _Watchdog_Ticks_per_second instead.
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The _Thread_Dispatch() function was customized over time and now the
work is done by _Thread_Do_dispatch() and specialized wrappers. The
plain _Thread_Dispatch() is now only used in some CPU ports. Move it to
a separate file to avoid dead code in the general.
Change license to BSD-2-Clause according to file history and
re-licensing agreement.
Update #3053.
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Closes #3373
confstr() style update
Signed-off-by: Eshan Dhawan <eshandhawan51@gmail.com>
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Prefix the BSP family name with "bsps/" to make it distinct to the BSP
variant names.
Update #4468.
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Split up the SMP multicast action module since the use of the SMP multicast
action variants depend on the architecture and BSP.
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Add percpujobs.c to contain the per-CPU jobs implementation.
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- Optionally add support for 'default-by-family' to allow
option to be set by a family and so all related BSPs
Close #4468
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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.
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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.
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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.
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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.
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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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Also updated licenses.
Closes #4400
Updates #3899
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Created futimens.c and utimensat.c to add support for the POSIX
methods futimens() and utimensat().
utime() and utimes() are considered obsolote by POSIX, but RTEMS
will continue to support them.
Closes #4396
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Break out system register definitions and accessors so that they're
usable by other parts of RTEMS.
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Move this diagnostic function to a separate file since it does not
provide a core function of the system.
Change license to BSD-2-Clause according to file history and
re-licensing agreement.
Update #3053.
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Move clock_nanosleep() to a separate file to avoid a dependency on errno
which pulls in the Newlib reentrancy support. This is an issue since
most parts which are pulled in cannot be garbage collected by the linker
due to the system initialization linker set.
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Rename _Stack_Free_nothing() in _Objects_Free_nothing() to make it
reusable for the message queue buffers.
Update #4007.
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This may reduce the code size a bit.
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Move rtems_calloc() since it only depends on rtems_malloc(). This may
make it easier to customize the heap allocator.
Change licence to BSD-2-Clause according to file history.
Update #3053.
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This reverts commit 3299dda2454a8847c670a732f6c12ef1f2cc5dd0.
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Update #3850
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Update #3850
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Update #3850
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Update #3850
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Update #3850
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