From edbeef2a72259a25087bdac6f8f3aa7d54380cfd Mon Sep 17 00:00:00 2001 From: Kody Stribrny Date: Fri, 20 Feb 2026 13:20:19 -0800 Subject: [PATCH] [21.3] Document unsupressed deviation Deviations which are unsupressed should be documented for user awareness. --- MISRA.md | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/MISRA.md b/MISRA.md index f2008328c..67fcde719 100644 --- a/MISRA.md +++ b/MISRA.md @@ -146,3 +146,36 @@ _Ref 21.6.1_ - The Standard Library function snprintf is used in vTaskListTasks and vTaskGetRunTimeStatistics APIs, both of which are utility functions only and are not considered part of core kernel implementation. + +### Unsupressed Deviations + +Certain deviating code is left unsurpressed for awarness. This code should +not be considered for usage in MISRA compliant applications. These violations +will be reported when audited by a MISRA-checking static analysis tool. + +#### Rule 21.3 + +MISRA C-2012 Rule 21.3: The memory allocation and deallocation functions of + shall not be used. + +_Ref 21.3_ + - Heap memory solutions utilize pvPortMalloc/vPortFree to provide heap + memory for dynamic object allocation. These functions may rely upon + the malloc/free of the underlying port. Static allocation is reccomended + for MISRA compliant applications. + + Affected Files: + - portable/MemMang/heap_*.c + +#### Rule 21.6 + +MISRA C-2012 Rule 21.6: The Standard Library input/output functions shall not +be used. + +_Ref 21.6.1_ + - The Standard Library function printf is used in examples to provide a + simple getting started demonstration. This example is not considered part + of the kernel implementation. + + Affected Files: + - examples/cmake_example/main.c \ No newline at end of file