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FreeRTOS-Kernel/portable/GCC/ARM_CM3_MPU
Soren Ptak 84bdb05bd2
Fix portSWITCH_TO_USER_MODE() on Armv7-M MPU ports (#803)
A task's privilege level is stored in ulTaskFlag member in the TCB. Current
implementation of portSWITCH_TO_USER_MODE() does not update this
flag but just lowers the processor's privilege level. This results in many
APIs incorrectly determining task's privilege level and access permissions -

- xPortIsAuthorizedToAccessBuffer
- xPortIsTaskPrivileged
- xPortIsAuthorizedToAccessKernelObject

This PR fixes the portSWITCH_TO_USER_MODE() implementation to correctly
update the ulTaskFlag member in the TCB before lowering the processor's
privilege level.
1 year ago
..
mpu_wrappers_v2_asm.c CI-CD Updates (#768) 1 year ago
port.c Fix portSWITCH_TO_USER_MODE() on Armv7-M MPU ports (#803) 1 year ago
portmacro.h Fix portSWITCH_TO_USER_MODE() on Armv7-M MPU ports (#803) 1 year ago