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Diffstat (limited to 'arch/riscv/include/asm/sections.h')
| -rw-r--r-- | arch/riscv/include/asm/sections.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sections.h b/arch/riscv/include/asm/sections.h new file mode 100644 index 000000000000..a393d5035c54 --- /dev/null +++ b/arch/riscv/include/asm/sections.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Western Digital Corporation or its affiliates. + */ +#ifndef __ASM_SECTIONS_H +#define __ASM_SECTIONS_H + +#include <asm-generic/sections.h> +#include <linux/mm.h> + +extern char _start[]; +extern char _start_kernel[]; +extern char __init_data_begin[], __init_data_end[]; +extern char __init_text_begin[], __init_text_end[]; +extern char __alt_start[], __alt_end[]; +extern char __exittext_begin[], __exittext_end[]; + +static inline bool is_va_kernel_text(uintptr_t va) +{ + uintptr_t start = (uintptr_t)_start; + uintptr_t end = (uintptr_t)__init_data_begin; + + return va >= start && va < end; +} + +static inline bool is_va_kernel_lm_alias_text(uintptr_t va) +{ + uintptr_t start = (uintptr_t)lm_alias(_start); + uintptr_t end = (uintptr_t)lm_alias(__init_data_begin); + + return va >= start && va < end; +} + +#endif /* __ASM_SECTIONS_H */ |