diff options
Diffstat (limited to 'arch/arm/include/asm/boot0-linux-kernel-header.h')
| -rw-r--r-- | arch/arm/include/asm/boot0-linux-kernel-header.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/include/asm/boot0-linux-kernel-header.h b/arch/arm/include/asm/boot0-linux-kernel-header.h new file mode 100644 index 0000000..c6cd76f --- /dev/null +++ b/arch/arm/include/asm/boot0-linux-kernel-header.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * (C) Copyright 2017 NVIDIA Corporation <www.nvidia.com> + * + * Derived from Linux kernel v4.14 files: + * + * arch/arm64/include/asm/assembler.h: + * Based on arch/arm/include/asm/assembler.h, arch/arm/mm/proc-macros.S + * Copyright (C) 1996-2000 Russell King + * Copyright (C) 2012 ARM Ltd. + * + * arch/arm64/kernel/head.S: + * Based on arch/arm/kernel/head.S + * Copyright (C) 1994-2002 Russell King + * Copyright (C) 2003-2012 ARM Ltd. + * Authors: Catalin Marinas <catalin.marinas@arm.com> + * Will Deacon <will.deacon@arm.com> + * + * arch/arm64/kernel/image.h: + * Copyright (C) 2014 ARM Ltd. + */ + + /* + * Emit a 64-bit absolute little endian symbol reference in a way that + * ensures that it will be resolved at build time, even when building a + * PIE binary. This requires cooperation from the linker script, which + * must emit the lo32/hi32 halves individually. + */ + .macro le64sym, sym + .long \sym\()_lo32 + .long \sym\()_hi32 + .endm + +.globl _start +_start: + /* + * DO NOT MODIFY. Image header expected by Linux boot-loaders. + */ + b reset /* branch to kernel start, magic */ + .long 0 /* reserved */ + le64sym _kernel_offset_le /* Image load offset from start of RAM, little-endian */ + le64sym _kernel_size_le /* Effective size of kernel image, little-endian */ + le64sym _kernel_flags_le /* Informative flags, little-endian */ + .quad 0 /* reserved */ + .quad 0 /* reserved */ + .quad 0 /* reserved */ + .ascii "ARM\x64" /* Magic number */ + .long 0 /* reserved */ |