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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020 Western Digital Corporation or its affiliates.
* Linker script variables to be set after section resolution, as
* ld.lld does not like variables assigned before SECTIONS is processed.
* Based on arch/arm64/kerne/image-vars.h
*/
#ifndef __RISCV_KERNEL_IMAGE_VARS_H
#define __RISCV_KERNEL_IMAGE_VARS_H
#ifndef LINKER_SCRIPT
#error This file should only be included in vmlinux.lds.S
#endif
#ifdef CONFIG_EFI
/*
* The EFI stub has its own symbol namespace prefixed by __efistub_, to
* isolate it from the kernel proper. The following symbols are legally
* accessed by the stub, so provide some aliases to make them accessible.
* Only include data symbols here, or text symbols of functions that are
* guaranteed to be safe when executed at another offset than they were
* linked at. The routines below are all implemented in assembler in a
* position independent manner
*/
__efistub_memcmp = memcmp;
__efistub_memchr = memchr;
__efistub_memcpy = memcpy;
__efistub_memmove = memmove;
__efistub_memset = memset;
__efistub_strlen = strlen;
__efistub_strnlen = strnlen;
__efistub_strcmp = strcmp;
__efistub_strncmp = strncmp;
__efistub_strrchr = strrchr;
#ifdef CONFIG_KASAN
__efistub___memcpy = memcpy;
__efistub___memmove = memmove;
__efistub___memset = memset;
#endif
__efistub__start = _start;
__efistub__start_kernel = _start_kernel;
__efistub__end = _end;
__efistub__edata = _edata;
__efistub_screen_info = screen_info;
#endif
#endif /* __RISCV_KERNEL_IMAGE_VARS_H */
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