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All other architectures use uint32_t for interrupt levels and there is
no reason not to do so on AArch64.
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This adds SMP support for AArch64 in cpukit and for the ZynqMP BSPs.
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Move _CPU_Fatal_halt() declaration to <rtems/score/cpuimpl.h> and make sure it
is a proper declaration of a function which does not return. Fix the type of
the error code. If necessary, add the implementation to cpu.c. Implementing
_CPU_Fatal_halt() as a function makes it possible to wrap this function for
example to fully test _Terminate().
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Remove _CPU_SMP_Processor_event_broadcast() and
_CPU_SMP_Processor_event_receive(). These functions are hard to use since they
are subject to the lost wake up problem.
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The _CPU_ISR_Is_enabled() function operates on ISR cookies and so must
mask off the appropriate status bits. This also fixes the naming of the
parameters of the _CPU_ISR_* functions to indicate use of ISR cookies
instead of interrupt enable/disable levels.
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This ensures that the saved SP register is sized appropriately depending
on the chosen ABI and prevents a warning in the libmisc stack checker.
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Provide RTEMS_NO_RETURN also in case RTEMS_DEBUG is defined to prevent errors
like this:
error: no return statement in function returning non-void [-Werror=return-type]
Use C11 and C++11 standard means to declare a no-return function.
Close #4122.
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This adds a CPU port for AArch64(ARMv8) with support for exceptions and
interrupts.
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