| /* | |
| * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| #ifndef _ASM_ARC_TLB_H | |
| #define _ASM_ARC_TLB_H | |
| #ifdef __KERNEL__ | |
| #include <asm/pgtable.h> | |
| /* Masks for actual TLB "PD"s */ | |
| #define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT) | |
| #define PTE_BITS_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE | \ | |
| _PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ | \ | |
| _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) | |
| #ifndef __ASSEMBLY__ | |
| #define tlb_flush(tlb) local_flush_tlb_mm((tlb)->mm) | |
| /* | |
| * This pair is called at time of munmap/exit to flush cache and TLB entries | |
| * for mappings being torn down. | |
| * 1) cache-flush part -implemented via tlb_start_vma( ) can be NOP (for now) | |
| * as we don't support aliasing configs in our VIPT D$. | |
| * 2) tlb-flush part - implemted via tlb_end_vma( ) can be NOP as well- | |
| * albiet for difft reasons - its better handled by moving to new ASID | |
| * | |
| * Note, read http://lkml.org/lkml/2004/1/15/6 | |
| */ | |
| #define tlb_start_vma(tlb, vma) | |
| #define tlb_end_vma(tlb, vma) | |
| #define __tlb_remove_tlb_entry(tlb, ptep, address) | |
| #include <linux/pagemap.h> | |
| #include <asm-generic/tlb.h> | |
| #ifdef CONFIG_ARC_DBG_TLB_PARANOIA | |
| void tlb_paranoid_check(unsigned int pid_sw, unsigned long address); | |
| #else | |
| #define tlb_paranoid_check(a, b) | |
| #endif | |
| void arc_mmu_init(void); | |
| extern char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len); | |
| void __init read_decode_mmu_bcr(void); | |
| #endif /* __ASSEMBLY__ */ | |
| #endif /* __KERNEL__ */ | |
| #endif /* _ASM_ARC_TLB_H */ |