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da8dd0c75b
Clone the implementations of strrchr() and memchr() in lib/string.c so we can use them in the standalone zboot decompressor app. These routines are used by the FDT handling code. Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020 Western Digital Corporation or its affiliates.
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* Linker script variables to be set after section resolution, as
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* ld.lld does not like variables assigned before SECTIONS is processed.
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* Based on arch/arm64/kernel/image-vars.h
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*/
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#ifndef __RISCV_KERNEL_IMAGE_VARS_H
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#define __RISCV_KERNEL_IMAGE_VARS_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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#ifdef CONFIG_EFI
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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_strcmp = strcmp;
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__efistub__start = _start;
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__efistub__start_kernel = _start_kernel;
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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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#endif
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#endif /* __RISCV_KERNEL_IMAGE_VARS_H */
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