| #ifndef _ASMARM_PAGE_H_ |
| #define _ASMARM_PAGE_H_ |
| /* |
| * Copyright (C) 2014, Red Hat Inc, Andrew Jones <drjones@redhat.com> |
| * |
| * This work is licensed under the terms of the GNU LGPL, version 2. |
| */ |
| |
| #include <linux/const.h> |
| |
| #define PAGE_SHIFT 12 |
| #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) |
| #define PAGE_MASK (~(PAGE_SIZE-1)) |
| |
| #ifndef __ASSEMBLY__ |
| |
| #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) |
| |
| #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); |
| |
| #endif /* !__ASSEMBLY__ */ |
| #endif /* _ASMARM_PAGE_H_ */ |
