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* Add LX8 support for > 32 interrupts
Also fix inconsistent SWPRI define in interrupt handler
* ThreadX: Fix context switch logic
- Disable interrupts prior to allocating a large exception frame;
only reenable them after deallocating the extra memory.
- Any user tasks with stacks based on TX_MINIMUM_STACK do not
have sufficient space for both a context switch frame and an ISR
frame; ill-timed interrupts were causing stack overruns.
* ThreadX: Interrupt fixes for TX_ENABLE_EXECUTION_CHANGE_NOTIFY
- Must reload register trashed by notify hook function call
- Must ensure PS.WOE is set before using call8
- Remove unused XT_USE_INT_WRAPPER define and associated changes,
which had a bug in XEA2 usage
- Fix another case where enabling the thread notify hooks for
call0 ABI corrupted a register
* ThreadX: Support for __DYNAMIC_REENT__
- ThreadX change to handle dynamic reent for both newlib and xclib
- Adapt ThreadX xclib interface code to handle dynamic reent pointers
* ThreadX: Xtensa execution profiling support
- Update upstream execution profiling for Xtensa port
* ThreadX: Update xtensa port readme
* ThreadX: Add Xtensa example to EPK
- tx_execution_profile.h now defines an Xtensa example
in addition to the existing Cortex example
* ThreadX: Add xtensa.cmake
* ThreadX: Update XSHAL_CLIB ifdefs in __getreent()
- Prevent a fall-through with no return value when neither
xclib nor newlib are used.
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