a8fac05acf
C-SKY page table attributes only have 'Dirty' and 'Valid' to emulate 'PRESENT, READ, WRITE, EXEC, DIRTY, ACCESSED'. This patch cleanup unnecessary definition. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Cc: Arnd Bergmann <arnd@arndb.de>
28 lines
695 B
C
28 lines
695 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
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#ifndef __ASM_CSKY_PGTABLE_BITS_H
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#define __ASM_CSKY_PGTABLE_BITS_H
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/* implemented in software */
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#define _PAGE_ACCESSED (1<<7)
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#define _PAGE_READ (1<<8)
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#define _PAGE_WRITE (1<<9)
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#define _PAGE_PRESENT (1<<10)
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#define _PAGE_MODIFIED (1<<11)
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/* implemented in hardware */
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#define _PAGE_GLOBAL (1<<0)
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#define _PAGE_VALID (1<<1)
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#define _PAGE_DIRTY (1<<2)
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#define _PAGE_SO (1<<5)
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#define _PAGE_BUF (1<<6)
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#define _PAGE_CACHE (1<<3)
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#define _CACHE_MASK _PAGE_CACHE
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#define _CACHE_CACHED (_PAGE_CACHE | _PAGE_BUF)
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#define _CACHE_UNCACHED (0)
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#endif /* __ASM_CSKY_PGTABLE_BITS_H */
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