| Commit message (Collapse) | Author | Age | Files | Lines |
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Close #4463.
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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.
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Update #4202.
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Update #4202.
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Disable the alignment check through SCTLR[A] in
_AArch32_PMSA_Initialize().
Update #4202.
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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.
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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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This makes them usable in multiple files.
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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This variable is actually contained in _Per_CPU_Information[] which is already
zero initialized.
Remove superfluous includes.
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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.
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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.
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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
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Don't initialze regions that have a negative size (for example due to a
wrong calculation).
Update #4450
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Update #4202.
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The change also helps to avoid reports from static analysers since most
callers of _Thread_queue_Make_ready_again() check the unblock status.
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Mention the type of the pointer in the parameter description. Use the
more general term "object" instead of "variable".
Update #3993.
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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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Set Thread_queue_Context::timeout_absolute in
_Thread_queue_Context_set_timeout_argument() to avoid using it uninitialized.
The bug was introduced by a89ecaa1a94d49ddae7753d6b83923e9d2a00486.
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GCC originally needed this 20 years ago. No longer needed, so it
is being removed.
Closes #4391
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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'.
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See also CID 1468684
Closes #4445
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See also CID 1399727
Closes #4444
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Also updated licenses.
Closes #4400
Updates #3899
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utimes() now calls utimensat() to update file access
and modification timestamps.
Updated license.
Closes #4398
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utime() now calls utimensat() to update file access
and modification timestamps.
Updated license.
Closes #4397
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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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CID 1437650: Unchecked return value from library in rtems_shell_help().
Closes #4291
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CID 26051: Unchecked return value from library in main_cp().
Closes #4365
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CID 1049146: Unchecked return value from library in get_clock().
CID 1049147: Unchecked return value from library in get_random_fd().
Closes #4280
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This adds a rtems_mutex_try_lock and a rtems_recursive_mutex_try_lock.
Update #4440.
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The release version in the git sources doesn't change. Add a note why
that is the case.
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Currently, the AArch64 BSPs have a hard time running on real hardware
without building the toolchain and the bsps with -mstrict-align in
multiple places. Configuring the MMU on these chips allows for unaligned
memory accesses for non-device memory which avoids requiring strict
alignment in the toolchain and in the BSPs themselves.
In writing this driver, it was found that the synchronous exception
handling code needed to be rewritten since it relied on clearing SCTLR_EL1 to
avoid thread stack misalignments in RTEMS_DEBUG mode. This is now
avoided by exactly preserving thread mode stack and flags and the new
implementation is compatible with the draft information provided on the
mailing list covering the Exception Management API.
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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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Update #4414.
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See also CID 1399721
Closes #4442
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Ensure the stack remains aligned by keeping the context frame at a
multiple of 16 bytes. This avoids stack alignment exceptions which occur
when the stack pointer is not 16 byte aligned.
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Commit 73ebf9a27ed5cd0fd3e0dc0da98345d7faa610a2 accidentally removed the
direct thread dispatch in a self thread restart. In case of a self
restart (always in task context) the directive shall not return. If
this is not possible due to a bad thread dispatch disable level, then a
fatal error shall occur.
Update #4412.
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The _Thread_Cancel() (in contrast to _Thread_Restart() which used a
similar code block) may have produced ready threads with an active timer
in case the thread to cancel had its thread life protection enabled. The
problem was this code block:
Priority_Control priority;
_Thread_Add_life_change_request( the_thread );
if ( _Thread_Is_life_change_allowed( previous ) ) {
_Thread_State_release( the_thread, &lock_context );
_Thread_queue_Extract_with_proxy( the_thread );
_Thread_Timer_remove( the_thread );
} else {
_Thread_Clear_state_locked( the_thread, STATES_SUSPENDED );
_Thread_State_release( the_thread, &lock_context );
}
priority = _Thread_Get_priority( executing );
_Thread_Raise_real_priority( the_thread, priority );
_Thread_Remove_life_change_request( the_thread );
The life change request should only be added/removed if a life change is
allowed (see _Thread_Restart()). Add _Thread_Try_life_change_request()
and use it in _Thread_Cancel() and _Thread_Restart().
Close #4435.
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Close #4413.
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Move common code into _Thread_Exit(). This enables a tail call
optimization in most cases.
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If rtems_task_delete() is called from within interrupt context, then
return RTEMS_CALLED_FROM_ISR. This makes the behaviour predictable.
Update #4414.
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This change eliminates a system initialization dependentcy which resulted
in an application without a file system or console referencing errno being
forced to include the code to open(/dev/console), close(), atexit(),
and the unmount infrastructure.
Closes #4439.
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