#ifndef __ASM_TLB_H #define __ASM_TLB_H #include <asm/cpu-features.h> #include <asm/mipsregs.h> /* * MIPS doesn't need any special per-pte or per-vma handling, except * we need to flush cache for area to be unmapped. */ #define tlb_start_vma(tlb, vma) \ do { \ if (!tlb->fullmm) \ flush_cache_range(vma, vma->vm_start, vma->vm_end); \ } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) /* * .. because we flush the whole mm when it fills up. */ #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) #define UNIQUE_ENTRYHI(idx) \ ((CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) | \ (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0)) static inline unsigned int num_wired_entries(void) { unsigned int wired = read_c0_wired(); if (cpu_has_mips_r6) wired &= MIPSR6_WIRED_WIRED; return wired; } #include <asm-generic/tlb.h> #endif /* __ASM_TLB_H */ |