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armv8.1-m: Remove portHAS_PACBTI_FEATURE macro (#1192)

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The PACBTI is an optional hardware security feature,
the current implementation assumes that every SoC that
has Armv8.1-M architecture extension, has the PACBTI
hardware feature, which does not have to be the case.
Hence, the `portHAS_PACBTI_FEATURE` is removed
and the implementation is modified to rely on
`configENABLE_PAC` and `configENABLE_BTI` macros
that can either be set using CMake or FreeRTOSConfig.h
header file.

Enabling PAC and/or BTI on a port variant that
doesn't have the PACBTI hardware feature would be
caught by a `configASSERT` statement.

Signed-off-by: Ahmed Ismail <Ahmed.Ismail@arm.com>
Co-authored-by: Tony Josi <tonyjosi@amazon.com>
This commit is contained in:
Ahmed Ismail 2024-11-14 04:31:06 +00:00 • committed by GitHub
parent 73f6e3a1b4
commit 25f9222fed
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56 changed files with 257 additions and 445 deletions
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3
portable/GCC/ARM_CM55/non_secure/portmacro.h
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@ -1,8 +1,6 @@
/*
* 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
*
@ -58,7 +56,6 @@
#define portARCH_NAME "Cortex-M55"
#define portHAS_ARMV8M_MAIN_EXTENSION 1
#define portARMV8M_MINOR_VERSION 1
#define portHAS_PACBTI_FEATURE 0
#define portDONT_DISCARD __attribute__( ( used ) )
/*-----------------------------------------------------------*/