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-rw-r--r--arch/csky/abiv2/inc/abi/pgtable-bits.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/csky/abiv2/inc/abi/pgtable-bits.h b/arch/csky/abiv2/inc/abi/pgtable-bits.h
new file mode 100644
index 000000000000..b20ae19702e3
--- /dev/null
+++ b/arch/csky/abiv2/inc/abi/pgtable-bits.h
@@ -0,0 +1,37 @@
1/* SPDX-License-Identifier: GPL-2.0 */
2// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
3
4#ifndef __ASM_CSKY_PGTABLE_BITS_H
5#define __ASM_CSKY_PGTABLE_BITS_H
6
7/* implemented in software */
8#define _PAGE_ACCESSED (1<<7)
9#define PAGE_ACCESSED_BIT (7)
10
11#define _PAGE_READ (1<<8)
12#define _PAGE_WRITE (1<<9)
13#define _PAGE_PRESENT (1<<10)
14
15#define _PAGE_MODIFIED (1<<11)
16#define PAGE_MODIFIED_BIT (11)
17
18/* implemented in hardware */
19#define _PAGE_GLOBAL (1<<0)
20
21#define _PAGE_VALID (1<<1)
22#define PAGE_VALID_BIT (1)
23
24#define _PAGE_DIRTY (1<<2)
25#define PAGE_DIRTY_BIT (2)
26
27#define _PAGE_SO (1<<5)
28#define _PAGE_BUF (1<<6)
29
30#define _PAGE_CACHE (1<<3)
31
32#define _CACHE_MASK _PAGE_CACHE
33
34#define _CACHE_CACHED (_PAGE_VALID | _PAGE_CACHE | _PAGE_BUF)
35#define _CACHE_UNCACHED (_PAGE_VALID | _PAGE_SO)
36
37#endif /* __ASM_CSKY_PGTABLE_BITS_H */