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Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
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Gaurav Aggarwal 2025-02-24 15:57:35 +00:00
parent b0d5547ba7
commit 2feb8bd8a9
1 changed files with 3 additions and 1 deletions
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4
include/stack_macros.h
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@ -60,7 +60,9 @@
* 2. System calls are executed on a separate privileged only stack. * 2. System calls are executed on a separate privileged only stack.
* *
* It is still okay because an MPU region is used to protect task stack which * It is still okay because an MPU region is used to protect task stack which
* means task stack overflow will trigger an MPU fault. * means task stack overflow will trigger an MPU fault for unprivileged tasks.
* Additionally, architectures with hardware stack overflow checking support
* (such as Armv8-M) will trigger a fault when a task's stack overflows.
*/ */
#if ( ( configCHECK_FOR_STACK_OVERFLOW == 1 ) && ( portSTACK_GROWTH < 0 ) && ( portUSING_MPU_WRAPPERS != 1 ) ) #if ( ( configCHECK_FOR_STACK_OVERFLOW == 1 ) && ( portSTACK_GROWTH < 0 ) && ( portUSING_MPU_WRAPPERS != 1 ) )