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

Hi Aiden,

On Tue, 21 Apr 2020 at 18:45, aiden.park@intel.com wrote:

From: Aiden Park aiden.park@intel.com

This will allow 64-bit U-Boot to use HOB.

Signed-off-by: Aiden Park aiden.park@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