xref: /openbmc/linux/arch/mips/include/asm/tlb.h (revision ca55b2fe)
1 #ifndef __ASM_TLB_H
2 #define __ASM_TLB_H
3 
4 /*
5  * MIPS doesn't need any special per-pte or per-vma handling, except
6  * we need to flush cache for area to be unmapped.
7  */
8 #define tlb_start_vma(tlb, vma)					\
9 	do {							\
10 		if (!tlb->fullmm)				\
11 			flush_cache_range(vma, vma->vm_start, vma->vm_end); \
12 	}  while (0)
13 #define tlb_end_vma(tlb, vma) do { } while (0)
14 #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
15 
16 /*
17  * .. because we flush the whole mm when it fills up.
18  */
19 #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
20 
21 #define UNIQUE_ENTRYHI(idx)						\
22 		((CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) |		\
23 		 (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0))
24 
25 #include <asm-generic/tlb.h>
26 
27 #endif /* __ASM_TLB_H */
28