arch/loongarch/include/asm/setup.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
   4  */
   5
   6 #ifndef _LOONGARCH_SETUP_H
   7 #define _LOONGARCH_SETUP_H
   8
   9 #include <linux/types.h>
  10 #include <asm/sections.h>
  11 #include <uapi/asm/setup.h>
  12
  13 #define VECSIZE 0x200
  14
  15 extern unsigned long eentry;
  16 extern unsigned long tlbrentry;
  17 extern char init_command_line[COMMAND_LINE_SIZE];
  18 extern void tlb_init(int cpu);
  19 extern void cpu_cache_init(void);
  20 extern void cache_error_setup(void);
  21 extern void per_cpu_trap_init(int cpu);
  22 extern void set_handler(unsigned long offset, void *addr, unsigned long len);
  23 extern void set_merr_handler(unsigned long offset, void *addr, unsigned long len);
  24
  25 #ifdef CONFIG_RELOCATABLE
  26
  27 struct rela_la_abs {
  28         long pc;
  29         long symvalue;
  30 };
  31
  32 extern long __la_abs_begin;
  33 extern long __la_abs_end;
  34 extern long __rela_dyn_begin;
  35 extern long __rela_dyn_end;
  36
  37 #ifdef CONFIG_RELR
  38 extern long __relr_dyn_begin;
  39 extern long __relr_dyn_end;
  40 #endif
  41
  42 extern unsigned long __init relocate_kernel(void);
  43
  44 #endif
  45
  46 static inline unsigned long kaslr_offset(void)
  47 {
  48         return (unsigned long)&_text - VMLINUX_LOAD_ADDRESS;
  49 }
  50
  51 #endif /* __SETUP_H */