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6 #ifndef _ASM_RISCV_PGTABLE_BITS_H
7 #define _ASM_RISCV_PGTABLE_BITS_H
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15 #define _PAGE_ACCESSED_OFFSET 6
16
17 #define _PAGE_PRESENT (1 << 0)
18 #define _PAGE_READ (1 << 1)
19 #define _PAGE_WRITE (1 << 2)
20 #define _PAGE_EXEC (1 << 3)
21 #define _PAGE_USER (1 << 4)
22 #define _PAGE_GLOBAL (1 << 5)
23 #define _PAGE_ACCESSED (1 << 6)
24 #define _PAGE_DIRTY (1 << 7)
25 #define _PAGE_SOFT (1 << 8)
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27 #define _PAGE_SPECIAL _PAGE_SOFT
28 #define _PAGE_TABLE _PAGE_PRESENT
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34 #define _PAGE_PROT_NONE _PAGE_READ
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36 #define _PAGE_PFN_SHIFT 10
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38
39 #define _PAGE_CHG_MASK (~(unsigned long)(_PAGE_PRESENT | _PAGE_READ | \
40 _PAGE_WRITE | _PAGE_EXEC | \
41 _PAGE_USER | _PAGE_GLOBAL))
42
43 #endif