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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 @@
+/* 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<<7)
+#define PAGE_ACCESSED_BIT (7)
+
+#define _PAGE_READ (1<<8)
+#define _PAGE_WRITE (1<<9)
+#define _PAGE_PRESENT (1<<10)
+
+#define _PAGE_MODIFIED (1<<11)
+#define PAGE_MODIFIED_BIT (11)
+
+/* implemented in hardware */
+#define _PAGE_GLOBAL (1<<0)
+
+#define _PAGE_VALID (1<<1)
+#define PAGE_VALID_BIT (1)
+
+#define _PAGE_DIRTY (1<<2)
+#define PAGE_DIRTY_BIT (2)
+
+#define _PAGE_SO (1<<5)
+#define _PAGE_BUF (1<<6)
+
+#define _PAGE_CACHE (1<<3)
+
+#define _CACHE_MASK _PAGE_CACHE
+
+#define _CACHE_CACHED (_PAGE_VALID | _PAGE_CACHE | _PAGE_BUF)
+#define _CACHE_UNCACHED (_PAGE_VALID | _PAGE_SO)
+
+#endif /* __ASM_CSKY_PGTABLE_BITS_H */