| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * ARM64 header for proper chain-loading with Little Kernel. |
| * |
| * Little Kernel shipped with Dragonboard820C boots standard Linux images for |
| * ARM64. This file adds header that is required to boot U-Boot properly. |
| * |
| * For details see: |
| * https://www.kernel.org/doc/Documentation/arm64/booting.txt |
| * |
| * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> |
| */ |
| |
| #include <config.h> |
| |
| /* |
| * per document in linux/Doc/arm64/booting.text |
| */ |
| .global _arm64_header |
| _arm64_header: |
| b _start |
| .word 0 |
| .quad CONFIG_TEXT_BASE-PHYS_SDRAM_1 /* Image load offset, LE */ |
| .quad 0 /* Effective size of kernel image, little-endian */ |
| .quad 0 /* kernel flags, little-endian */ |
| .quad 0 /* reserved */ |
| .quad 0 /* reserved */ |
| .quad 0 /* reserved */ |
| .byte 0x41 /* Magic number, "ARM\x64" */ |
| .byte 0x52 |
| .byte 0x4d |
| .byte 0x64 |
| .word 0 /* reserved (used for PE COFF offset) */ |