diff --git a/cppcheck/arm-cortex-m.cfg b/cppcheck/arm-cortex-m.cfg
index 5da59d6..05cb049 100644
--- a/cppcheck/arm-cortex-m.cfg
+++ b/cppcheck/arm-cortex-m.cfg
@@ -1,13 +1,27 @@
 <?xml version="1.0"?>
 <!--
 #-------------------------------------------------------------------------------
-# Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2021, Arm Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
 #-------------------------------------------------------------------------------
 -->
 <def format="2">
+  <!-- Modules that might be using mbedtls based allocator functions -->
+  <resource>
+    <alloc>mbedtls_calloc</alloc>
+    <dealloc>mbedtls_free</dealloc>
+  </resource>
+  <!-- Missing platform defines on which some header preprocessing relies -->
+  <define name="CHAR_BIT" value="8"/>
+  <!-- This would be defined by the GNUARM toolchain -->
+  <define name="__GNUC__" value="1"/>
+  <!-- This would be defined by the GNUARM toolchain -->
+  <define name="__ARM_ARCH_8M_MAIN__" value="1"/>
+  <!-- tfm_core_panic() and psa_panic() interrupt the flow unconditionally -->
+  <function name="tfm_core_panic"> <noreturn>true</noreturn> </function>
+  <function name="psa_panic"> <noreturn>true</noreturn> </function>
   <!-- Minimum-width integer types -->
   <podtype name="int_least8_t" sign="s" size="1"/>
   <podtype name="uint_least8_t" sign="u" size="1"/>