183d290c5STom Rini/* SPDX-License-Identifier: GPL-2.0+ */ 2dca9220cSSimon Glass/* 3dca9220cSSimon Glass * 64-bit x86 Startup Code 4dca9220cSSimon Glass * 5dca9220cSSimon Glass * (C) Copyright 216 Google, Inc 6dca9220cSSimon Glass * Written by Simon Glass <sjg@chromium.org> 7dca9220cSSimon Glass */ 8dca9220cSSimon Glass 9dca9220cSSimon Glass#include <config.h> 10dca9220cSSimon Glass 117e21fbcaSAlexander Graf.section .text.start 12dca9220cSSimon Glass.code64 13dca9220cSSimon Glass.globl _start 14dca9220cSSimon Glass.type _start, @function 15dca9220cSSimon Glass_start: 16dca9220cSSimon Glass /* Set up memory using the existing stack */ 17dca9220cSSimon Glass mov %rsp, %rdi 18dca9220cSSimon Glass call board_init_f_alloc_reserve 19dca9220cSSimon Glass mov %rax, %rsp 20dca9220cSSimon Glass 21dca9220cSSimon Glass call board_init_f_init_reserve 22dca9220cSSimon Glass 23*49d5ff43SBin Meng xor %rdi, %rdi 24dca9220cSSimon Glass call board_init_f 25dca9220cSSimon Glass call board_init_f_r 26dca9220cSSimon Glass 27dca9220cSSimon Glass /* Should not return here */ 28dca9220cSSimon Glass jmp . 29