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armv8.1-m: Add PACBTI support to kernel non-secure implementation

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In this commit, Pointer Authentication, and Branch Target
Identification Extension (PACBTI) support is added for
Non-Secure and Non-TrustZone variants of Cortex-M85
FreeRTOS-Kernel Port.

The PACBTI support is added for Arm Compiler For
Embedded, and IAR toolchains only. The support in
the kernel is not yet enabled for GNU toolchain
due to known issues.

Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>
This commit is contained in:
Ahmed Ismail 2024-09-06 11:01:51 +01:00 • committed by Ahmed Ismail
parent 4d0a28d269
commit 11fe156c08
58 changed files with 2212 additions and 42 deletions
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3
portable/GCC/ARM_CM23/non_secure/portmacro.h
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@ -1,6 +1,8 @@
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
* Copyright 2024 Arm Limited and/or its affiliates
* <open-source-office@arm.com>
*
* SPDX-License-Identifier: MIT
*
@ -51,6 +53,7 @@
#define portARCH_NAME "Cortex-M23"
#define portHAS_ARMV8M_MAIN_EXTENSION 0
#define portARMV8M_MINOR_VERSION 0
#define portHAS_PACBTI_FEATURE 0
#define portDONT_DISCARD __attribute__( ( used ) )
/*-----------------------------------------------------------*/