1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2020 Western Digital Corporation or its affiliates.
 4 * Linker script variables to be set after section resolution, as
 5 * ld.lld does not like variables assigned before SECTIONS is processed.
 6 * Based on arch/arm64/kernel/image-vars.h
 7 */
 8#ifndef __RISCV_KERNEL_IMAGE_VARS_H
 9#define __RISCV_KERNEL_IMAGE_VARS_H
10
11#ifndef LINKER_SCRIPT
12#error This file should only be included in vmlinux.lds.S
13#endif
14
15#ifdef CONFIG_EFI
16
17/*
18 * The EFI stub has its own symbol namespace prefixed by __efistub_, to
19 * isolate it from the kernel proper. The following symbols are legally
20 * accessed by the stub, so provide some aliases to make them accessible.
21 * Only include data symbols here, or text symbols of functions that are
22 * guaranteed to be safe when executed at another offset than they were
23 * linked at. The routines below are all implemented in assembler in a
24 * position independent manner
25 */
26__efistub_memcmp		= memcmp;
27__efistub_memchr		= memchr;
28__efistub_memcpy		= memcpy;
29__efistub_memmove		= memmove;
30__efistub_memset		= memset;
31__efistub_strlen		= strlen;
32__efistub_strnlen		= strnlen;
33__efistub_strcmp		= strcmp;
34__efistub_strncmp		= strncmp;
35__efistub_strrchr		= strrchr;
36
37#ifdef CONFIG_KASAN
38__efistub___memcpy		= memcpy;
39__efistub___memmove		= memmove;
40__efistub___memset		= memset;
41#endif
42
43__efistub__start		= _start;
44__efistub__start_kernel		= _start_kernel;
45__efistub__end			= _end;
46__efistub__edata		= _edata;
47__efistub_screen_info		= screen_info;
48
49#endif
50
51#endif /* __RISCV_KERNEL_IMAGE_VARS_H */