[PATCH 2/8] x86: start64: Add a hook at 64-bit entry

From: Aiden Park aiden.park@intel.com

This will allow a board or cpu to do its specific initialization at 64-bit entry if U-Boot is a pure 64-bit binary.

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 7be834788b..b8ac5aab57 100644 --- a/arch/x86/cpu/start64.S +++ b/arch/x86/cpu/start64.S @@ -13,6 +13,11 @@ .globl _start .type _start, @function _start: +#if defined(CONFIG_X86_RUN_64BIT_ONLY) + jmp init_64bit_entry +.globl init_64bit_entry_ret +init_64bit_entry_ret: +#endif /* Set up memory using the existing stack */ mov %rsp, %rdi call board_init_f_alloc_reserve