| /* 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 */ |
