| Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Simon Glass | 8157b33 | 2017-01-16 07:03:48 -0700 | [diff] [blame] | 2 | /* |
| 3 | * 64-bit x86 Startup Code |
| 4 | * |
| Simon Glass | 435f705 | 2019-04-25 21:58:40 -0600 | [diff] [blame] | 5 | * Copyright 2019 Google, Inc |
| Simon Glass | 8157b33 | 2017-01-16 07:03:48 -0700 | [diff] [blame] | 6 | * Written by Simon Glass <sjg@chromium.org> |
| Simon Glass | 8157b33 | 2017-01-16 07:03:48 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #include <config.h> |
| 10 | |
| Alexander Graf | 94a10f2 | 2018-06-12 07:48:37 +0200 | [diff] [blame] | 11 | .section .text.start |
| Simon Glass | 8157b33 | 2017-01-16 07:03:48 -0700 | [diff] [blame] | 12 | .code64 |
| 13 | .globl _start |
| 14 | .type _start, @function |
| 15 | _start: |
| 16 | /* Set up memory using the existing stack */ |
| 17 | mov %rsp, %rdi |
| 18 | call board_init_f_alloc_reserve |
| 19 | mov %rax, %rsp |
| 20 | |
| 21 | call board_init_f_init_reserve |
| 22 | |
| Bin Meng | f92b3d7 | 2018-10-13 20:52:09 -0700 | [diff] [blame] | 23 | xor %rdi, %rdi |
| Simon Glass | 8157b33 | 2017-01-16 07:03:48 -0700 | [diff] [blame] | 24 | call board_init_f |
| 25 | call board_init_f_r |
| 26 | |
| 27 | /* Should not return here */ |
| 28 | jmp . |