{BP-9700} arch/armv8-m/arm_secure_irq.c: fix writing to the NVIC_AIRCR register #9727
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Register key (VECTKEY) must be written, otherwise the write is ignored. Reference: https://developer.arm.com/documentation/100235/0004/the-cortex-m33-peripherals/system-control-block/application-interrupt-and-reset-control-register
jerpelea
changed the title
pkarashchenko
approved these changes
Jul 7, 2023
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Summary
Register key (VECTKEY) must be written, otherwise the write is ignored.
Reference:
https://developer.arm.com/documentation/100235/0004/the-cortex-m33-peripherals/system-control-block/application-interrupt-and-reset-control-register
Impact
REELASE
Testing
NONE