[U-Boot] [PATCH v2] armv7m: Fix larger builds

[Tom Rini]

On Wed, May 31, 2017 at 08:27:05AM +0100, Phil Edworthy wrote:

> The branch instruction only has an 11-bit relative target address, which
> is sometimes not enough.
> 
> Signed-off-by: Phil Edworthy <phil.edworthy at renesas.com>
> ---
> v2:
>  - Use W(b) instead of ldr+mov. Using this macro requires
>    CONFIG_ARM_ASM_UNIFIED and CONFIG_THUMB2_KERNEL to be defined.
> ---
>  arch/arm/cpu/armv7m/Makefile | 3 +++
>  arch/arm/cpu/armv7m/start.S  | 4 +++-
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/cpu/armv7m/Makefile b/arch/arm/cpu/armv7m/Makefile
> index 257fc7f..df1fc95 100644
> --- a/arch/arm/cpu/armv7m/Makefile
> +++ b/arch/arm/cpu/armv7m/Makefile
> @@ -8,3 +8,6 @@
>  extra-y := start.o
>  obj-y += cpu.o cache.o mpu.o
>  obj-$(CONFIG_SYS_ARCH_TIMER) += systick-timer.o
> +
> +asflags-y += -DCONFIG_ARM_ASM_UNIFIED
> +asflags-y += -DCONFIG_THUMB2_KERNEL

Lets move these two symbols to Kconfig and select them on CPU_V7M,
thanks!

-- 
Tom
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