1db866895SAndrew Jones #ifndef __ASMARM_MMU_H_ 2db866895SAndrew Jones #define __ASMARM_MMU_H_ 3db866895SAndrew Jones /* 4db866895SAndrew Jones * Copyright (C) 2014, Red Hat Inc, Andrew Jones <drjones@redhat.com> 5db866895SAndrew Jones * 6db866895SAndrew Jones * This work is licensed under the terms of the GNU LGPL, version 2. 7db866895SAndrew Jones */ 8a796123fSAndrew Jones #include <asm/pgtable.h> 98cca5668SAndrew Jones #include <asm/barrier.h> 10153d1936SAndrew Jones 112f3028cdSAndrew Jones #define PTE_USER L_PTE_USER 12db328a24SAndrew Jones #define PTE_RDONLY PTE_AP2 132f3028cdSAndrew Jones #define PTE_SHARED L_PTE_SHARED 142f3028cdSAndrew Jones #define PTE_AF PTE_EXT_AF 152f3028cdSAndrew Jones #define PTE_WBWA L_PTE_MT_WRITEALLOC 162f3028cdSAndrew Jones 17*4b5caf0cSAlex Bennée /* See B3.18.7 TLB maintenance operations */ 18*4b5caf0cSAlex Bennée 19153d1936SAndrew Jones static inline void local_flush_tlb_all(void) 20153d1936SAndrew Jones { 21*4b5caf0cSAlex Bennée /* TLBIALL */ 22153d1936SAndrew Jones asm volatile("mcr p15, 0, %0, c8, c7, 0" :: "r" (0)); 23153d1936SAndrew Jones dsb(); 24153d1936SAndrew Jones isb(); 25153d1936SAndrew Jones } 26153d1936SAndrew Jones 27153d1936SAndrew Jones static inline void flush_tlb_all(void) 28153d1936SAndrew Jones { 29153d1936SAndrew Jones //TODO 30153d1936SAndrew Jones local_flush_tlb_all(); 31153d1936SAndrew Jones } 32153d1936SAndrew Jones 33*4b5caf0cSAlex Bennée static inline void flush_tlb_page(unsigned long vaddr) 34*4b5caf0cSAlex Bennée { 35*4b5caf0cSAlex Bennée /* TLBIMVAA */ 36*4b5caf0cSAlex Bennée asm volatile("mcr p15, 0, %0, c8, c7, 3" :: "r" (vaddr)); 37*4b5caf0cSAlex Bennée dsb(); 38*4b5caf0cSAlex Bennée isb(); 39*4b5caf0cSAlex Bennée } 40*4b5caf0cSAlex Bennée 412f3028cdSAndrew Jones #include <asm/mmu-api.h> 42db866895SAndrew Jones 43db866895SAndrew Jones #endif /* __ASMARM_MMU_H_ */ 44