/arch/mips/include/asm/tlb.h

http://github.com/mirrors/linux · C Header · 26 lines · 18 code · 7 blank · 1 comment · 1 complexity · 7fcb44971d87debce7b958e1c3c1cfe7 MD5 · raw file 

    

  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef __ASM_TLB_H
    3. 

  3. #define __ASM_TLB_H
    4. 

  4. 

  5. #include <asm/cpu-features.h>
    6. 

  6. #include <asm/mipsregs.h>
    7. 

  7. 

  8. #define _UNIQUE_ENTRYHI(base, idx)					\
    9. 

  9. 		(((base) + ((idx) << (PAGE_SHIFT + 1))) |		\
    10. 

  10. 		 (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0))
    11. 

  11. #define UNIQUE_ENTRYHI(idx)		_UNIQUE_ENTRYHI(CKSEG0, idx)
    12. 

  12. #define UNIQUE_GUEST_ENTRYHI(idx)	_UNIQUE_ENTRYHI(CKSEG1, idx)
    13. 

  13. 

  14. static inline unsigned int num_wired_entries(void)
    15. 

  15. {
    16. 

  16. 	unsigned int wired = read_c0_wired();
    17. 

  17. 

  18. 	if (cpu_has_mips_r6)
    19. 

  19. 		wired &= MIPSR6_WIRED_WIRED;
    20. 

  20. 

  21. 	return wired;
    22. 

  22. }
    23. 

  23. 

  24. #include <asm-generic/tlb.h>
    25. 

  25. 

  26. #endif /* __ASM_TLB_H */
    27.