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# Memory Protection Unit (MPU) configuration options
# Copyright (c) 2017 Synopsys
# SPDX-License-Identifier: Apache-2.0
config ARC_MPU_VER
int "ARC MPU version"
range 2 4
default 2
help
ARC MPU has several versions. For MPU v2, the minimum region is 2048 bytes;
For MPU v3, the minimum region is 32 bytes
config ARC_CORE_MPU
bool "ARC Core MPU functionalities"
help
ARC core MPU functionalities
config MPU_STACK_GUARD
bool "Thread Stack Guards"
depends on ARC_CORE_MPU
help
Enable thread stack guards via MPU. ARC supports built-in stack protection.
If your core supports that, it is preferred over MPU stack guard
config ARC_MPU
bool "ARC MPU Support"
select ARC_CORE_MPU
select THREAD_STACK_INFO
select MEMORY_PROTECTION
select MPU_REQUIRES_POWER_OF_TWO_ALIGNMENT if ARC_MPU_VER = 2
help
Target has ARC MPU (currently only works for EMSK 2.2/2.3 ARCEM7D)