mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/arch/arm64/kernel/image.h
..
..
@@ -1,26 +1,17 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Linker script macros to generate Image header fields.
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  *
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  * Copyright (C) 2014 ARM Ltd.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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-#ifndef __ASM_IMAGE_H
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-#define __ASM_IMAGE_H
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+#ifndef __ARM64_KERNEL_IMAGE_H
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+#define __ARM64_KERNEL_IMAGE_H
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 #ifndef LINKER_SCRIPT
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 #error This file should only be included in vmlinux.lds.S
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 #endif
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+
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+#include <asm/image.h>
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15
 
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 /*
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  * There aren't any ELF relocations we can use to endian-swap values known only
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..
@@ -47,19 +38,22 @@
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 	sym##_lo32 = DATA_LE32((data) & 0xffffffff);		\
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 	sym##_hi32 = DATA_LE32((data) >> 32)
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+#define __HEAD_FLAG(field)	(__HEAD_FLAG_##field << \
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+					ARM64_IMAGE_FLAG_##field##_SHIFT)
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+
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 #ifdef CONFIG_CPU_BIG_ENDIAN
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-#define __HEAD_FLAG_BE		1
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+#define __HEAD_FLAG_BE		ARM64_IMAGE_FLAG_BE
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 #else
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-#define __HEAD_FLAG_BE		0
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+#define __HEAD_FLAG_BE		ARM64_IMAGE_FLAG_LE
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 #endif
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 #define __HEAD_FLAG_PAGE_SIZE	((PAGE_SHIFT - 10) / 2)
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 #define __HEAD_FLAG_PHYS_BASE	1
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-#define __HEAD_FLAGS		((__HEAD_FLAG_BE << 0) |	\
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-				 (__HEAD_FLAG_PAGE_SIZE << 1) |	\
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-				 (__HEAD_FLAG_PHYS_BASE << 3))
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+#define __HEAD_FLAGS		(__HEAD_FLAG(BE)	| \
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+				 __HEAD_FLAG(PAGE_SIZE) | \
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+				 __HEAD_FLAG(PHYS_BASE))
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 /*
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  * These will output as part of the Image header, which should be little-endian
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..
@@ -68,49 +62,6 @@
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  */
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 #define HEAD_SYMBOLS						\
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 	DEFINE_IMAGE_LE64(_kernel_size_le, _end - _text);	\
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-	DEFINE_IMAGE_LE64(_kernel_offset_le, TEXT_OFFSET);	\
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 	DEFINE_IMAGE_LE64(_kernel_flags_le, __HEAD_FLAGS);
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66
 
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-#ifdef CONFIG_EFI
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-
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-/*
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- * Use ABSOLUTE() to avoid ld.lld treating this as a relative symbol:
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- * https://github.com/ClangBuiltLinux/linux/issues/561
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- */
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-__efistub_stext_offset = ABSOLUTE(stext - _text);
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-
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-/*
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- * The EFI stub has its own symbol namespace prefixed by __efistub_, to
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- * isolate it from the kernel proper. The following symbols are legally
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- * accessed by the stub, so provide some aliases to make them accessible.
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- * Only include data symbols here, or text symbols of functions that are
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- * guaranteed to be safe when executed at another offset than they were
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- * linked at. The routines below are all implemented in assembler in a
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- * position independent manner
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- */
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-__efistub_memcmp		= __pi_memcmp;
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-__efistub_memchr		= __pi_memchr;
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-__efistub_memcpy		= __pi_memcpy;
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-__efistub_memmove		= __pi_memmove;
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-__efistub_memset		= __pi_memset;
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-__efistub_strlen		= __pi_strlen;
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-__efistub_strnlen		= __pi_strnlen;
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-__efistub_strcmp		= __pi_strcmp;
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-__efistub_strncmp		= __pi_strncmp;
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-__efistub_strrchr		= __pi_strrchr;
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-__efistub___flush_dcache_area	= __pi___flush_dcache_area;
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-
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-#ifdef CONFIG_KASAN
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-__efistub___memcpy		= __pi_memcpy;
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-__efistub___memmove		= __pi_memmove;
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-__efistub___memset		= __pi_memset;
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-#endif
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-
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-__efistub__text			= _text;
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-__efistub__end			= _end;
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-__efistub__edata		= _edata;
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-__efistub_screen_info		= screen_info;
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-
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-#endif
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-
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-#endif /* __ASM_IMAGE_H */
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+#endif /* __ARM64_KERNEL_IMAGE_H */