diff options
Diffstat (limited to 'arch/csky/abiv2/inc/abi/pgtable-bits.h')
-rw-r--r-- | arch/csky/abiv2/inc/abi/pgtable-bits.h | 37 |
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 */ | ||