FreeRTOS-Kernel

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Ahmed Ismail 31419bfcee FreeRTOS MPU: Add Privileged eXecute Never MPU attribute support (#1092 ) FreeRTOS MPU: Add privileged execute never MPU attribute A new MPU region attribute Privileged eXecute Never (PXN) is introduced in Armv8.1-M architecture, where if an MPU region has PXN attribute set and the processor attempts to execute the code inside with privileged level, the Memory Management Fault exception would be triggered, with IACCVIOL bit in MemManage Fault State Register set to 1. The PXN feature allows privileged software to ensure specific application tasks (threads) to execute in unprivileged level only. Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>	8 months ago
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non_secure	FreeRTOS MPU: Add Privileged eXecute Never MPU attribute support (#1092 )	8 months ago

Ahmed Ismail 31419bfcee

FreeRTOS MPU: Add Privileged eXecute Never MPU attribute support (#1092 )

FreeRTOS MPU: Add privileged execute never MPU attribute

A new MPU region attribute Privileged eXecute Never (PXN)
is introduced in Armv8.1-M architecture, where if an MPU
region has PXN attribute set and the processor attempts
to execute the code inside with privileged level,
the Memory Management Fault exception would be triggered,
with IACCVIOL bit in MemManage Fault State Register set
to 1. The PXN feature allows privileged software to ensure
specific application tasks (threads) to execute in
unprivileged level only.

Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>

non_secure

FreeRTOS MPU: Add Privileged eXecute Never MPU attribute support (#1092 )