arch/riscv/include/asm/sections.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2020 Western Digital Corporation or its affiliates.
   4  */
   5 #ifndef __ASM_SECTIONS_H
   6 #define __ASM_SECTIONS_H
   7
   8 #include <asm-generic/sections.h>
   9 #include <linux/mm.h>
  10
  11 extern char _start[];
  12 extern char _start_kernel[];
  13 extern char __init_data_begin[], __init_data_end[];
  14 extern char __init_text_begin[], __init_text_end[];
  15 extern char __alt_start[], __alt_end[];
  16 extern char __exittext_begin[], __exittext_end[];
  17
  18 static inline bool is_va_kernel_text(uintptr_t va)
  19 {
  20         uintptr_t start = (uintptr_t)_start;
  21         uintptr_t end = (uintptr_t)__init_data_begin;
  22
  23         return va >= start && va < end;
  24 }
  25
  26 static inline bool is_va_kernel_lm_alias_text(uintptr_t va)
  27 {
  28         uintptr_t start = (uintptr_t)lm_alias(_start);
  29         uintptr_t end = (uintptr_t)lm_alias(__init_data_begin);
  30
  31         return va >= start && va < end;
  32 }
  33
  34 #endif /* __ASM_SECTIONS_H */