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/barrier.h> 9 10 #define PTE_USER L_PTE_USER 11 #define PTE_RDONLY PTE_AP2 12 #define PTE_SHARED L_PTE_SHARED 13 #define PTE_AF PTE_EXT_AF 14 #define PTE_WBWA L_PTE_MT_WRITEALLOC 15 16 /* See B3.18.7 TLB maintenance operations */ 17 18 static inline void local_flush_tlb_all(void) 19 { 20 /* TLBIALL */ 21 asm volatile("mcr p15, 0, %0, c8, c7, 0" :: "r" (0)); 22 dsb(); 23 isb(); 24 } 25 26 static inline void flush_tlb_all(void) 27 { 28 //TODO 29 local_flush_tlb_all(); 30 } 31 32 static inline void flush_tlb_page(unsigned long vaddr) 33 { 34 /* TLBIMVAA */ 35 asm volatile("mcr p15, 0, %0, c8, c7, 3" :: "r" (vaddr)); 36 dsb(); 37 isb(); 38 } 39 40 static inline void flush_dcache_addr(unsigned long vaddr) 41 { 42 asm volatile("mcr p15, 0, %0, c7, c14, 1" :: "r" (vaddr)); 43 } 44 45 #include <asm/mmu-api.h> 46 47 #endif /* __ASMARM_MMU_H_ */ 48