[Buildroot] [PATCH v2 01/17] arch/arm: introduce and use BR2_ARM_CPU_ARMV7M

[Yann E. MORIN]

Thomas, All,

On 2016-03-18 22:08 +0100, Thomas Petazzoni spake thusly:
> All ARM cores should select a BR2_ARM_CPU_* option. Currently, the
> cortex-m3 does not, which this commit fixes by introducing a
> BR2_ARM_CPU_ARMV7M option.

Tangentially related: those options are not user to sepcify iany of the
gcc options, but to allow packages that have CPU-specific code todepend
on it or to enable such support it.

> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>

Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>

Regards,
Yann E. MORIN.

> ---
>  arch/Config.in.arm | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/Config.in.arm b/arch/Config.in.arm
> index 04f0369..33f763a 100644
> --- a/arch/Config.in.arm
> +++ b/arch/Config.in.arm
> @@ -52,6 +52,9 @@ config BR2_ARM_CPU_ARMV6
>  config BR2_ARM_CPU_ARMV7A
>  	bool
>  
> +config BR2_ARM_CPU_ARMV7M
> +	bool
> +
>  choice
>  	prompt "Target Architecture Variant"
>  	depends on BR2_arm || BR2_armeb
> @@ -171,6 +174,7 @@ config BR2_cortex_m3
>  	bool "cortex-M3"
>  	select BR2_ARM_CPU_HAS_THUMB
>  	select BR2_ARM_CPU_HAS_THUMB2
> +	select BR2_ARM_CPU_ARMV7M
>  config BR2_fa526
>  	bool "fa526/626"
>  	select BR2_ARM_CPU_HAS_ARM
> -- 
> 2.6.4
> 
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