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84bdb05bd2
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 | |
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mpu_wrappers_v2_asm.S | 2 years ago | |
port.c | 1 year ago | |
portasm.s | 1 year ago | |
portmacro.h | 1 year ago |