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config/arch/arm.in.2
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 18:10:53 2011 +0200 (2011-07-17)
changeset 2890 a59712c236df
parent 2484 d1a8c2ae7946
child 3150 1d6fd9bde73c
permissions -rw-r--r--
cc/gcc: add host parameter to core compiler build process

Tell the core compiler what host it should run on (instead of
hard-coding runing on CT_HOST).

No functional change so far, switching between CT_HOST and CT_BUILD
will come in a following patch.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 # ARM specific configuration file

     2 

     3 config ARCH_ARM_MODE

     4     string

     5     default "arm"   if ARCH_ARM_MODE_ARM

     6     default "thumb" if ARCH_ARM_MODE_THUMB

     7 

     8 choice

     9     bool

    10     prompt "Default instruction set mode"

    11     default ARCH_ARM_MODE_ARM

    12 

    13 config ARCH_ARM_MODE_ARM

    14     bool

    15     prompt "arm"

    16     help

    17       Defaults to emitting instructions in the ARM mode.

    18 

    19 config ARCH_ARM_MODE_THUMB

    20     bool

    21     prompt "thumb (EXPERIMENTAL)"

    22     depends on EXPERIMENTAL

    23     help

    24       Defaults to emitting instructions in the THUMB mode.

    25 

    26 endchoice

    27 

    28 config ARCH_ARM_INTERWORKING

    29     bool

    30     prompt "Use Thumb-interworking (READ HELP)"

    31     depends on EXPERIMENTAL

    32     help

    33       Excerpt from the gcc manual:

    34       

    35       > Generate code which supports calling between the ARM and Thumb

    36       > instruction sets. Without this option the two instruction sets

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

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

    39       > when [interwork] is specified.

    40 

    41 config ARCH_ARM_EABI

    42     bool

    43     prompt "Use EABI"

    44     default y

    45     help

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

    47 

    48 config ARCH_ARM_ABI_OK

    49     bool

    50     default y

    51     depends on ! ARCH_ARM_EABI

    52     select ARCH_SUPPORTS_WITH_ABI
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