Hi Andrey,
On Fri, Sep 25, 2015 at 11:02:18PM -0700, Andrey Smirnov wrote:
> In case of non-relocatable image device-tree blob should already be
> preloaded into memory as a part of Barebox binary upload, so there is
> no need to 'memcpy' it again
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> ---
> arch/arm/cpu/start.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
> index 7ffde7c..c461a73 100644
> --- a/arch/arm/cpu/start.c
> +++ b/arch/arm/cpu/start.c
> @@ -107,6 +107,15 @@ static noinline __noreturn void __start(unsigned long membase,
>
> switch (get_any_boarddata_magic(boarddata)) {
> case FDT_MAGIC:
> + if (!IS_ENABLED(CONFIG_RELOCATABLE)) {
> + /*
> + If Barebox is not relocatable
> + there's no need to move data around
> + */
> + barebox_boot_dtb = boarddata;
> + break;
> + }
> +
At this place it is unknown where in memory the fdt is. It could well be
somewhere in the malloc area space, so we need to move it to a safe
place before we setup malloc in the next step.
Sascha
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