# ARM specific configuration file

config ARCH_arm

    select ARCH_SUPPORTS_32

    select ARCH_DEFAULT_32

    select ARCH_SUPPORTS_BOTH_MMU

    select ARCH_DEFAULT_HAS_MMU

    select ARCH_SUPPORTS_BOTH_ENDIAN

    select ARCH_DEFAULT_LE

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    select ARCH_SUPPORT_FPU

    help

      The ARM architecture, as defined by:

        http://www.arm.com/

config ARCH_ARM_MODE

    string

    default "arm"   if ARCH_ARM_MODE_ARM

    default "thumb" if ARCH_ARM_MODE_THUMB

choice

    bool

    prompt "Default instruction set mode"

    default ARCH_ARM_MODE_ARM

config ARCH_ARM_MODE_ARM

    bool

    prompt "arm"

    help

      Defaults to emitting instructions in the ARM mode.

config ARCH_ARM_MODE_THUMB

    bool

    prompt "thumb (EXPERIMENTAL)"

    depends on EXPERIMENTAL

    help

      Defaults to emitting instructions in the THUMB mode.

endchoice

config ARCH_ARM_INTERWORKING

    bool

    prompt "Use Thumb-interworking (READ HELP)"

    default n

    depends on EXPERIMENTAL

    help

      Excerpt from the gcc manual:

      > Generate code which supports calling between the ARM and Thumb

      > instruction sets. Without this option the two instruction sets

      > cannot be reliably used inside one program. The default is

      > [not to use interwork], since slightly larger code is generated

      > when [interwork] is specified.

config ARCH_ARM_EABI

    bool

    prompt "Use EABI"

    default y

    help

      Set up the toolchain so that it generates EABI-compliant binaries.

config ARCH_ARM_ABI_OK

    bool

    default y

    depends on ! ARCH_ARM_EABI

    select ARCH_SUPPORT_ABI