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Diffstat (limited to 'arch/riscv/kernel/image-vars.h')
| -rw-r--r-- | arch/riscv/kernel/image-vars.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/riscv/kernel/image-vars.h b/arch/riscv/kernel/image-vars.h new file mode 100644 index 000000000000..3df30dd1c458 --- /dev/null +++ b/arch/riscv/kernel/image-vars.h @@ -0,0 +1,37 @@ +/* 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/kernel/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__start = _start; +__efistub__start_kernel = _start_kernel; +__efistub__end = _end; +__efistub__edata = _edata; +__efistub___init_text_end = __init_text_end; +#if defined(CONFIG_EFI_EARLYCON) || defined(CONFIG_SYSFB) +__efistub_screen_info = screen_info; +#endif + +#endif + +#endif /* __RISCV_KERNEL_IMAGE_VARS_H */ |