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- /*
- * linux/arch/unicore32/include/asm/pgtable-hwdef.h
- *
- * Code specific to PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2010 GUAN Xue-tao
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef __UNICORE_PGTABLE_HWDEF_H__
- #define __UNICORE_PGTABLE_HWDEF_H__
- /*
- * Hardware page table definitions.
- *
- * + Level 1 descriptor (PMD)
- * - common
- */
- #define PMD_TYPE_MASK (3 << 0)
- #define PMD_TYPE_TABLE (0 << 0)
- /*#define PMD_TYPE_LARGE (1 << 0) */
- #define PMD_TYPE_INVALID (2 << 0)
- #define PMD_TYPE_SECT (3 << 0)
- #define PMD_PRESENT (1 << 2)
- #define PMD_YOUNG (1 << 3)
- /*#define PMD_SECT_DIRTY (1 << 4) */
- #define PMD_SECT_CACHEABLE (1 << 5)
- #define PMD_SECT_EXEC (1 << 6)
- #define PMD_SECT_WRITE (1 << 7)
- #define PMD_SECT_READ (1 << 8)
- /*
- * + Level 2 descriptor (PTE)
- * - common
- */
- #define PTE_TYPE_MASK (3 << 0)
- #define PTE_TYPE_SMALL (0 << 0)
- #define PTE_TYPE_MIDDLE (1 << 0)
- #define PTE_TYPE_LARGE (2 << 0)
- #define PTE_TYPE_INVALID (3 << 0)
- #define PTE_PRESENT (1 << 2)
- #define PTE_YOUNG (1 << 3)
- #define PTE_DIRTY (1 << 4)
- #define PTE_CACHEABLE (1 << 5)
- #define PTE_EXEC (1 << 6)
- #define PTE_WRITE (1 << 7)
- #define PTE_READ (1 << 8)
- #endif
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