5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
39 lines
881 B
C
39 lines
881 B
C
/* 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 */
|