#ifndef _ASMARM_PAGE_H_ #define _ASMARM_PAGE_H_ /* * Copyright (C) 2014, Red Hat Inc, Andrew Jones * * This work is licensed under the terms of the GNU LGPL, version 2. */ #include #define PAGE_SHIFT 12 #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) #ifndef __ASSEMBLER__ #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) typedef u64 pteval_t; typedef u64 pmdval_t; typedef u64 pgdval_t; typedef struct { pteval_t pte; } pte_t; typedef struct { pmdval_t pmd; } pmd_t; typedef struct { pgdval_t pgd; } pgd_t; typedef struct { pteval_t pgprot; } pgprot_t; #define pte_val(x) ((x).pte) #define pmd_val(x) ((x).pmd) #define pgd_val(x) ((x).pgd) #define pgprot_val(x) ((x).pgprot) /* For compatibility with arm64 page tables */ #define pud_t pgd_t #define pud_val(x) pgd_val(x) #define __pte(x) ((pte_t) { (x) } ) #define __pmd(x) ((pmd_t) { (x) } ) #define __pgd(x) ((pgd_t) { (x) } ) #define __pgprot(x) ((pgprot_t) { (x) } ) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define __pa(x) __virt_to_phys((unsigned long)(x)) #define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) #define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) extern phys_addr_t __virt_to_phys(unsigned long addr); extern unsigned long __phys_to_virt(phys_addr_t addr); extern void *__ioremap(phys_addr_t phys_addr, size_t size); #endif /* !__ASSEMBLER__ */ #endif /* _ASMARM_PAGE_H_ */