1# 2# Copyright (c) 2022, Arm Limited. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# This file lists all the checks related to the Architectural Feature 8# Enablement flags, based on the Architectural version. 9 10# Enable the features which are mandatory from ARCH version 8.1 and upwards. 11ifeq "8.1" "$(word 1, $(sort 8.1 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 12ENABLE_FEAT_PAN = 1 13ENABLE_FEAT_VHE = 1 14endif 15 16# Enable the features which are mandatory from ARCH version 8.4 and upwards. 17ifeq "8.4" "$(word 1, $(sort 8.4 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 18ENABLE_FEAT_DIT = 1 19ENABLE_FEAT_SEL2 = 1 20endif 21 22# Enable the features which are mandatory from ARCH version 8.5 and upwards. 23ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 24ENABLE_FEAT_SB = 1 25endif 26 27# Enable the features which are mandatory from ARCH version 8.6 and upwards. 28ifeq "8.6" "$(word 1, $(sort 8.6 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 29ENABLE_FEAT_FGT = 1 30ENABLE_FEAT_ECV = 1 31endif 32 33# Enable the features which are mandatory from ARCH version 8.7 and upwards. 34ifeq "8.7" "$(word 1, $(sort 8.7 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 35ENABLE_FEAT_HCX = 1 36endif 37