^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2020 Western Digital Corporation or its affiliates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Linker script variables to be set after section resolution, as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * ld.lld does not like variables assigned before SECTIONS is processed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Based on arch/arm64/kerne/image-vars.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef __RISCV_KERNEL_IMAGE_VARS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define __RISCV_KERNEL_IMAGE_VARS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef LINKER_SCRIPT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #error This file should only be included in vmlinux.lds.S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #ifdef CONFIG_EFI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * The EFI stub has its own symbol namespace prefixed by __efistub_, to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * isolate it from the kernel proper. The following symbols are legally
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * accessed by the stub, so provide some aliases to make them accessible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * Only include data symbols here, or text symbols of functions that are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * guaranteed to be safe when executed at another offset than they were
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * linked at. The routines below are all implemented in assembler in a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * position independent manner
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) __efistub_memcmp = memcmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) __efistub_memchr = memchr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) __efistub_memcpy = memcpy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) __efistub_memmove = memmove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) __efistub_memset = memset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) __efistub_strlen = strlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) __efistub_strnlen = strnlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) __efistub_strcmp = strcmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) __efistub_strncmp = strncmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) __efistub_strrchr = strrchr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #ifdef CONFIG_KASAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) __efistub___memcpy = memcpy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) __efistub___memmove = memmove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) __efistub___memset = memset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) __efistub__start = _start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) __efistub__start_kernel = _start_kernel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) __efistub__end = _end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) __efistub__edata = _edata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) __efistub_screen_info = screen_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #endif /* __RISCV_KERNEL_IMAGE_VARS_H */