/* SPDX-License-Identifier: GPL-2.0 */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. #ifndef __ASM_CSKY_PGTABLE_BITS_H #define __ASM_CSKY_PGTABLE_BITS_H /* implemented in software */ #define _PAGE_ACCESSED (1<<3) #define PAGE_ACCESSED_BIT (3) #define _PAGE_READ (1<<1) #define _PAGE_WRITE (1<<2) #define _PAGE_PRESENT (1<<0) #define _PAGE_MODIFIED (1<<4) #define PAGE_MODIFIED_BIT (4) /* implemented in hardware */ #define _PAGE_GLOBAL (1<<6) #define _PAGE_VALID (1<<7) #define PAGE_VALID_BIT (7) #define _PAGE_DIRTY (1<<8) #define PAGE_DIRTY_BIT (8) #define _PAGE_CACHE (3<<9) #define _PAGE_UNCACHE (2<<9) #define _PAGE_SO _PAGE_UNCACHE #define _CACHE_MASK (7<<9) #define _CACHE_CACHED (_PAGE_VALID | _PAGE_CACHE) #define _CACHE_UNCACHED (_PAGE_VALID | _PAGE_UNCACHE) #define HAVE_ARCH_UNMAPPED_AREA #endif /* __ASM_CSKY_PGTABLE_BITS_H */