[Buildroot] [PATCH 1/4] arm: conditionally support regular ARM instructions
Romain Naour
romain.naour at openwide.fr
Mon Feb 2 16:17:24 UTC 2015
Hi Ezequiel,
Le 22/01/2015 19:33, Ezequiel Garcia a écrit :
> From: Guido Martínez <guido at vanguardiasur.com.ar>
>
> Until now, all ARM processors supported the original ARM instructions.
> However, the Cortex-M variants don't support them, and support only
> Thumb/Thumb2 modes.
>
> So, make a Kconfig option for ARM support and use it.
>
> Signed-off-by: Guido Martínez <guido at vanguardiasur.com.ar>
> ---
[...]
> choice
> prompt "ARM instruction set"
> - depends on BR2_ARM_CPU_HAS_THUMB || BR2_ARM_CPU_HAS_THUMB2
> + depends on BR2_ARM_CPU_HAS_ARM || BR2_ARM_CPU_HAS_THUMB || BR2_ARM_CPU_HAS_THUMB2
This prompt is now always displayed, so the depends on can be removed.
>
> config BR2_ARM_INSTRUCTIONS_ARM_CHOICE
> bool "ARM"
> + depends on BR2_ARM_CPU_HAS_ARM
> help
> This option instructs the compiler to generate regular ARM
> instructions, that are all 32 bits wide.
>
Best regards,
Romain Naour
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