setup.h 1.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
  4. */
  5. #ifndef _LOONGARCH_SETUP_H
  6. #define _LOONGARCH_SETUP_H
  7. #include <linux/types.h>
  8. #include <linux/threads.h>
  9. #include <asm/sections.h>
  10. #include <uapi/asm/setup.h>
  11. #define VECSIZE 0x200
  12. extern unsigned long eentry;
  13. extern unsigned long tlbrentry;
  14. extern unsigned long pcpu_handlers[NR_CPUS];
  15. extern long exception_handlers[VECSIZE * 128 / sizeof(long)];
  16. extern char init_command_line[COMMAND_LINE_SIZE];
  17. extern void tlb_init(int cpu);
  18. extern void cpu_cache_init(void);
  19. extern void cache_error_setup(void);
  20. extern void per_cpu_trap_init(int cpu);
  21. extern void set_handler(unsigned long offset, void *addr, unsigned long len);
  22. extern void set_merr_handler(unsigned long offset, void *addr, unsigned long len);
  23. #ifdef CONFIG_RELOCATABLE
  24. struct rela_la_abs {
  25. long pc;
  26. long symvalue;
  27. };
  28. extern long __la_abs_begin;
  29. extern long __la_abs_end;
  30. extern long __rela_dyn_begin;
  31. extern long __rela_dyn_end;
  32. #ifdef CONFIG_RELR
  33. extern long __relr_dyn_begin;
  34. extern long __relr_dyn_end;
  35. #endif
  36. extern unsigned long __init relocate_kernel(void);
  37. #endif
  38. static inline unsigned long kaslr_offset(void)
  39. {
  40. return (unsigned long)&_text - VMLINUX_LOAD_ADDRESS;
  41. }
  42. #endif /* __SETUP_H */