RIOT/cpu/cortexm_common/Kconfig

# 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 MODULE_CORTEXM_COMMON
    bool
    default y if CPU_CORE_CORTEX_M
    depends on TEST_KCONFIG
    imply MODULE_NEWLIB_NANO
    select MODULE_PERIPH
    select MODULE_MALLOC_THREAD_SAFE if TEST_KCONFIG
    select PACKAGE_CMSIS if TEST_KCONFIG
    help
        Common code for Cortex-M cores.

config CPU_ARCH_ARMV6M
    bool
    select HAS_ARCH_ARM
    select HAS_ARCH_32BIT
    select HAS_NO_IDLE_THREAD

config CPU_ARCH_ARMV7M
    bool
    select HAS_ARCH_ARM
    select HAS_ARCH_32BIT
    select HAS_NO_IDLE_THREAD

config CPU_ARCH_ARMV8M
    bool
    select HAS_ARCH_ARM
    select HAS_ARCH_32BIT
    select HAS_NO_IDLE_THREAD

config CPU_ARCH
    default "armv6m" if CPU_ARCH_ARMV6M
    default "armv7m" if CPU_ARCH_ARMV7M
    default "armv8m" if CPU_ARCH_ARMV8M

config CPU_CORE_CORTEX_M
    bool
    select HAS_CPU_CORE_CORTEXM
    select HAS_PERIPH_PM
    select HAS_PUF_SRAM
    select HAS_PICOLIBC
    select HAS_CPP
    select HAS_LIBSTDCPP
    select HAS_CPU_CHECK_ADDRESS
    select HAS_SSP
    select HAS_CORTEXM_SVC
    select HAS_NEWLIB
    select HAS_DBGPIN

## 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-m33" if CPU_CORE_CORTEX_M33
    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_ARMV6M
    select CPU_CORE_CORTEX_M
    select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M0PLUS
    bool
    select CPU_ARCH_ARMV6M
    select CPU_CORE_CORTEX_M
    select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M23
    bool
    select CPU_ARCH_ARMV8M
    select CPU_CORE_CORTEX_M
    #select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M3
    bool
    select CPU_ARCH_ARMV7M
    select CPU_CORE_CORTEX_M
    select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M33
    bool
    select CPU_ARCH_ARMV8M
    select CPU_CORE_CORTEX_M
    select HAS_CORTEXM_FPU
    #select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M4
    bool
    select CPU_ARCH_ARMV7M
    select CPU_CORE_CORTEX_M
    select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M4F
    bool
    select CPU_ARCH_ARMV7M
    select CPU_CORE_CORTEX_M
    select HAS_CORTEXM_FPU
    select HAS_RUST_TARGET

config CPU_CORE_CORTEX_M7
    bool
    select CPU_ARCH_ARMV7M
    select CPU_CORE_CORTEX_M
    select HAS_CORTEXM_FPU

## Definition of specific features
config HAS_CPU_CORE_CORTEXM
    bool
    help
        Indicates that the current CPU has an ARM Cortex-M core.

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.

menu "Cortex-M"
    depends on TEST_KCONFIG
    depends on CPU_CORE_CORTEX_M

config MODULE_CORTEXM_FPU
    bool "Cortex-M Floating Point Unit (FPU) support"
    default y
    depends on HAS_CORTEXM_FPU

config MODULE_MPU_STACK_GUARD
    bool "Memory Protection Unit (MPU) stack guard"
    default y if DEVELHELP
    depends on HAS_CORTEXM_MPU

endmenu # Cortex-M

rsource "periph/Kconfig"

choice LIBC_IMPLEMENTATION
    default MODULE_NEWLIB
    default MODULE_PICOLIBC
endchoice