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