# Copyright (c) 2020 HAW Hamburg
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.

config CPU_ARCH_ARMV6_M
    bool
    select HAS_ARCH_ARM
    select HAS_ARCH_32BIT

config CPU_ARCH_ARMV7_M
    bool
    select HAS_ARCH_ARM
    select HAS_ARCH_32BIT

config CPU_ARCH_ARMV8_M
    bool
    select HAS_ARCH_ARM
    select HAS_ARCH_32BIT

config CPU_ARCH
    default "armv6_m" if CPU_ARCH_ARMV6_M
    default "armv7_m" if CPU_ARCH_ARMV7_M
    default "armv8_m" if CPU_ARCH_ARMV8_M

config CPU_CORE_CORTEX_M
    bool
    select HAS_ARCH_CORTEXM
    select HAS_PERIPH_PM
    select HAS_CPP
    select HAS_CPU_CHECK_ADDRESS
    select HAS_SSP
    select HAS_CORTEXM_SVC

## Common CPU symbols
config CPU_CORE
    default "cortex-m0" if CPU_CORE_CORTEX_M0
    default "cortex-m0plus" if CPU_CORE_CORTEX_M0PLUS
    default "cortex-m23" if CPU_CORE_CORTEX_M23
    default "cortex-m3" if CPU_CORE_CORTEX_M3
    default "cortex-m4" if CPU_CORE_CORTEX_M4
    default "cortex-m4f" if CPU_CORE_CORTEX_M4F
    default "cortex-m7" if CPU_CORE_CORTEX_M7

config CPU_CORE_CORTEX_M0
    bool
    select CPU_ARCH_ARMV6_M
    select CPU_CORE_CORTEX_M

config CPU_CORE_CORTEX_M0PLUS
    bool
    select CPU_ARCH_ARMV6_M
    select CPU_CORE_CORTEX_M

config CPU_CORE_CORTEX_M23
    bool
    select CPU_ARCH_ARMV8_M
    select CPU_CORE_CORTEX_M

config CPU_CORE_CORTEX_M3
    bool
    select CPU_ARCH_ARMV7_M
    select CPU_CORE_CORTEX_M

config CPU_CORE_CORTEX_M4
    bool
    select CPU_ARCH_ARMV7_M
    select CPU_CORE_CORTEX_M

config CPU_CORE_CORTEX_M4F
    bool
    select CPU_ARCH_ARMV7_M
    select CPU_CORE_CORTEX_M
    select HAS_CORTEXM_FPU

config CPU_CORE_CORTEX_M7
    bool
    select CPU_ARCH_ARMV7_M
    select CPU_CORE_CORTEX_M
    select HAS_CORTEXM_FPU

## Definition of specific features
config HAS_ARCH_CORTEXM
    bool
    help
        Indicates that the current architecture is ARM Cortex-M.

config HAS_ARCH_ARM
    bool
    help
        Indicates that the current architecture is ARM.

config HAS_CORTEXM_FPU
    bool
    help
        Indicates that a ARM Cortex-M FPU is present.

config HAS_CORTEXM_MPU
    bool
    help
        Indicates that a ARM Cortex-M MPU is present.

config HAS_CORTEXM_SVC
    bool
    help
        Indicates that ARM Cortex-M Supervisor Calls are available.