1 #ifndef __ASMARM_MMU_H_ 2 #define __ASMARM_MMU_H_ 3 /* 4 * Copyright (C) 2014, Red Hat Inc, Andrew Jones <drjones@redhat.com> 5 * 6 * This work is licensed under the terms of the GNU LGPL, version 2. 7 */ 8 #include <asm/pgtable.h> 9 #include <asm/barrier.h> 10 11 #define PTE_USER L_PTE_USER 12 #define PTE_RDONLY PTE_AP2 13 #define PTE_SHARED L_PTE_SHARED 14 #define PTE_AF PTE_EXT_AF 15 #define PTE_WBWA L_PTE_MT_WRITEALLOC 16 17 /* See B3.18.7 TLB maintenance operations */ 18 19 static inline void local_flush_tlb_all(void) 20 { 21 /* TLBIALL */ 22 asm volatile("mcr p15, 0, %0, c8, c7, 0" :: "r" (0)); 23 dsb(); 24 isb(); 25 } 26 27 static inline void flush_tlb_all(void) 28 { 29 //TODO 30 local_flush_tlb_all(); 31 } 32 33 static inline void flush_tlb_page(unsigned long vaddr) 34 { 35 /* TLBIMVAA */ 36 asm volatile("mcr p15, 0, %0, c8, c7, 3" :: "r" (vaddr)); 37 dsb(); 38 isb(); 39 } 40 41 #include <asm/mmu-api.h> 42 43 #endif /* __ASMARM_MMU_H_ */ 44