| Commit message (Collapse) | Author | Age | Files | Lines |
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Add uniprocessor version for PER_CPU_DATA_GET_BY_OFFSET(). Fix warnings
in uniprocessor configurations.
Update #3507.
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Add support to temporarily pin a thread to its current processor. This
may be used to access per-processor data structures in critical sections
with enabled thread dispatching, e.g. a pinned thread is allowed to
block.
Update #3508.
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Update #3507.
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Close #3435.
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Fix a special case: block a one-to-one scheduled thread while having a
non-empty affine ready queue on the same processor.
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Declare i volatile to avoid compiler optimization putting i
into data section with initialization value 1.
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This avoids an exception (FP disabled) when RTEMS/Newlib have
been built with LLVM/Sparc.
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This avoids an exception (FP disabled) when RTEMS/Newlib have
been built with LLVM/Sparc.
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Make CONFIGURE_MINIMUM_POSIX_THREAD_STACK_SIZE configurable by the user.
Update #3434.
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This configuration is superfluous in these tests.
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Close #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Update #3358.
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Using CONFIGURE_MINIMUM_TASK_STACK_SIZE increases also the interrupt
stack size. This is an issue on some BSPs. Use
CONFIGURE_INIT_TASK_TABLE_SIZE instead.
Update #3433.
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Update #3433.
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Add RTEMS_PREDICT_TRUE() and RTEMS_PREDICT_FALSE() for static branch
prediction hints.
Close #3475.
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Pass current processor control as first parameter in
bsp_start_on_secondary_processor() and qoriq_start_thread() to make
dependency more explicit.
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On some architectures/simulators it is difficult to provoke an
exception with misaligned or illegal data loads. Use an illegal
instruction instead.
Update #3433.
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This helps to reduce the use of architecture-specific defines throughout
the code base.
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The context validation support functions _CPU_Context_validate() and
_CPU_Context_volatile_clobber() are used only by one test program
(spcontext01). Move the function declarations to the CPU port
implementation header file.
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Commit 8744498752ad4f0eaf9fb5640c6a0e0f2dc92fda broke the
_Scheduler_EDF_SMP_Set_affinity() implementation. We must test the
overall affinity against the online processors.
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Add more test cases.
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Update #3465.
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Update #3465.
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Update #3433.
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Statically initialize the interrupt stack area
(_Configuration_Interrupt_stack_area_begin,
_Configuration_Interrupt_stack_area_end, and
_Configuration_Interrupt_stack_size) via <rtems/confdefs.h>. Place the
interrupt stack area in a special section ".rtemsstack.interrupt". Let
BSPs define the optimal placement of this section in their linker
command files (e.g. in a fast on-chip memory).
This change makes makes the CPU_HAS_SOFTWARE_INTERRUPT_STACK and
CPU_HAS_HARDWARE_INTERRUPT_STACK CPU port defines superfluous, since the
low level initialization code has all information available via global
symbols.
This change makes the CPU_ALLOCATE_INTERRUPT_STACK CPU port define
superfluous, since the interrupt stacks are allocated by confdefs.h for
all architectures. There is no need for BSP-specific linker command
file magic (except the section placement), see previous ARM linker
command file as a bad example.
Remove _CPU_Install_interrupt_stack(). Initialize the hardware
interrupt stack in _CPU_Initialize() if necessary (e.g.
m68k_install_interrupt_stack()).
The optional _CPU_Interrupt_stack_setup() is still useful to customize
the registration of the interrupt stack area in the per-CPU information.
The initialization stack can reuse the interrupt stack, since
* interrupts are disabled during the sequential system initialization,
and
* the boot_card() function does not return.
This stack resuse saves memory.
Changes per architecture:
arm:
* Mostly replace the linker symbol based configuration of stacks with
the standard <rtems/confdefs.h> configuration via
CONFIGURE_INTERRUPT_STACK_SIZE. The size of the FIQ, ABT and UND
mode stack is still defined via linker symbols. These modes are
rarely used in applications and the default values provided by the
BSP should be sufficient in most cases.
* Remove the bsp_processor_count linker symbol hack used for the SMP
support. This is possible since the interrupt stack area is now
allocated by the linker and not allocated from the heap. This makes
some configure.ac stuff obsolete. Remove the now superfluous BSP
variants altcycv_devkit_smp and realview_pbx_a9_qemu_smp.
bfin:
* Remove unused magic linker command file allocation of initialization
stack. Maybe a previous linker command file copy and paste problem?
In the start.S the initialization stack is set to a hard coded value.
lm32, m32c, mips, nios2, riscv, sh, v850:
* Remove magic linker command file allocation of initialization stack.
Reuse interrupt stack for initialization stack.
m68k:
* Remove magic linker command file allocation of initialization stack.
Reuse interrupt stack for initialization stack.
powerpc:
* Remove magic linker command file allocation of initialization stack.
Reuse interrupt stack for initialization stack.
* Used dedicated memory region (REGION_RTEMSSTACK) for the interrupt
stack on BSPs using the shared linkcmds.base (replacement for
REGION_RWEXTRA).
sparc:
* Remove the hard coded initialization stack. Use the interrupt stack
for the initialization stack on the boot processor. This saves
16KiB of RAM.
Update #3459.
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Add RTEMS_DEFINE_GLOBAL_SYMBOL() and add RTEMS_DECLARE_GLOBAL_SYMBOL().
Update #3459.
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Add initialization step for the CPU counter support.
Update #3456.
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