[U-Boot] [PATCH v2 4/8] nios2: enlarge the code relocation range

[Marek Vasut]

On Friday, September 04, 2015 at 02:22:19 PM, Thomas Chou wrote:
> As we will use u-boot-dtb.bin, the code relocation range
> should be adjusted to accommodate the additional dtb.
> It might be overkilled to look into dtb header to find the
> dtb size, so we will simply use CONFIG_SYS_MONITOR_LEN.
> 
> Signed-off-by: Thomas Chou <thomas at wytron.com.tw>
> ---
>  arch/nios2/cpu/start.S | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/nios2/cpu/start.S b/arch/nios2/cpu/start.S
> index 971bde8..0b16633 100644
> --- a/arch/nios2/cpu/start.S
> +++ b/arch/nios2/cpu/start.S
> @@ -73,8 +73,9 @@ _cur:	movhi	r5, %hi(_cur - _start)
>  	ori	r5, r5, %lo(_start)	/* r5 <- linked _start */
>  	beq	r4, r5, 3f
> 
> -	movhi	r6, %hi(_edata)
> -	ori	r6, r6, %lo(_edata)
> +	movhi	r6, %hi(CONFIG_SYS_MONITOR_LEN)
> +	ori	r6, r6, %lo(CONFIG_SYS_MONITOR_LEN)
> +	add	r6, r6, r5
>  2:	ldwio	r7, 0(r4)
>  	addi	r4, r4, 4
>  	stwio	r7, 0(r5)

Can't you just call relocate_code the same way arm does it in
arch/arm/lib/crt0.S ?

Best regards,
Marek Vasut