[PATCH 3/8] x86: start64: Support HOB in 64-bit U-Boot

[Simon Glass]

Hi Aiden,

On Tue, 21 Apr 2020 at 18:45, <aiden.park at intel.com> wrote:
>
> From: Aiden Park <aiden.park at intel.com>
>
> This will allow 64-bit U-Boot to use HOB.
>
> Signed-off-by: Aiden Park <aiden.park at intel.com>
> ---
>  arch/x86/cpu/start64.S | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/x86/cpu/start64.S b/arch/x86/cpu/start64.S
> index b8ac5aab57..7faf4f6f13 100644
> --- a/arch/x86/cpu/start64.S
> +++ b/arch/x86/cpu/start64.S
> @@ -25,6 +25,11 @@ init_64bit_entry_ret:
>
>         call    board_init_f_init_reserve
>
> +#if defined(CONFIG_X86_RUN_64BIT_ONLY) && defined(CONFIG_USE_HOB)
> +       mov     %r10, %rdi
> +       call    set_hob_list
> +#endif

Similar question - would it be safe to always do this?

> +
>         xor     %rdi, %rdi
>         call    board_init_f
>         call    board_init_f_r
> --
> 2.20.1
>

Regards,
Simon