[U-Boot] [PATCH v2 06/13] common: makefile: Add optional cflags to object: common/lcd.o

Inha Song ideal.song at samsung.com
Thu Dec 19 06:44:10 CET 2013


Hi, Marczak

On Wed, 18 Dec 2013 19:31:31 +0100
Przemyslaw Marczak <p.marczak at samsung.com> wrote:

> This change adds CFLAGS: -mno-unaligned-access
> which depends on option: PLATFORM_NO_UNALIGNED
> 
> This option avoids unaligned data access exception on armv7, caused
> by access to logo data which is mostly unaligned initialized array.
> 
> more info: README.arm-unaligned-accesses
> 
> Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
> 
> ---
> Changes v2:
> - new patch
> ---
>  common/Makefile |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/common/Makefile b/common/Makefile
> index 74404be..619d72c 100644
> --- a/common/Makefile
> +++ b/common/Makefile
> @@ -240,3 +240,4 @@ $(obj)env_embedded.o: $(src)env_embedded.c
>  # SEE README.arm-unaligned-accesses
>  $(obj)hush.o: CFLAGS += $(PLATFORM_NO_UNALIGNED)
>  $(obj)fdt_support.o: CFLAGS += $(PLATFORM_NO_UNALIGNED)
> +$(obj)lcd.o: CFLAGS += $(PLATFORM_NO_UNALIGNED)
> -- 
> 1.7.9.5
> 

Certainly, unaligned data access exception doesn't occur on trats2 board.
- arm-linux-gnueabi-gcc 4.6.3

Thank you.

-- 
Inha Song <ideal.song at samsung.com>


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