Macros
#define	_PAGE_PRESENT 0x001

#define	_PAGE_SHORT 0x002

#define	_PAGE_RONLY 0x004

#define	_PAGE_READWRITE 0x000

#define	_PAGE_ACCESSED 0x008

#define	_PAGE_DIRTY 0x010

#define	_PAGE_SUPER 0x080 /* 68040 supervisor only */

#define	_PAGE_GLOBAL040 0x400 /* 68040 global bit, used for kva descs */

#define	_PAGE_NOCACHE030 0x040 /* 68030 no-cache mode */

#define	_PAGE_NOCACHE 0x060 /* 68040 cache mode, non-serialized */

#define	_PAGE_NOCACHE_S 0x040 /* 68040 no-cache mode, serialized */

#define	_PAGE_CACHE040 0x020 /* 68040 cache mode, cachable, copyback */

#define	_PAGE_CACHE040W 0x000 /* 68040 cache mode, cachable, write-through */

#define	_DESCTYPE_MASK 0x003

#define	_CACHEMASK040 (~0x060)

#define	_TABLE_MASK (0xfffffe00)

#define	_PAGE_TABLE (_PAGE_SHORT)

#define	_PAGE_CHG_MASK (PAGE_MASK \| _PAGE_ACCESSED \| _PAGE_DIRTY \| _PAGE_NOCACHE)

#define	_PAGE_PROTNONE 0x004

#define	_PAGE_FILE 0x008 /* pagecache or swap? */

#define	PAGE_NONE __pgprot(_PAGE_PROTNONE \| _PAGE_ACCESSED \| mm_cachebits)

#define	PAGE_SHARED __pgprot(_PAGE_PRESENT \| _PAGE_ACCESSED \| mm_cachebits)

#define	PAGE_COPY __pgprot(_PAGE_PRESENT \| _PAGE_RONLY \| _PAGE_ACCESSED \| mm_cachebits)

#define	PAGE_READONLY __pgprot(_PAGE_PRESENT \| _PAGE_RONLY \| _PAGE_ACCESSED \| mm_cachebits)

#define	PAGE_KERNEL __pgprot(_PAGE_PRESENT \| _PAGE_DIRTY \| _PAGE_ACCESSED \| mm_cachebits)

#define	PAGE_NONE_C __pgprot(_PAGE_PROTNONE \| _PAGE_ACCESSED)

#define	PAGE_SHARED_C __pgprot(_PAGE_PRESENT \| _PAGE_ACCESSED)

#define	PAGE_COPY_C __pgprot(_PAGE_PRESENT \| _PAGE_RONLY \| _PAGE_ACCESSED)

#define	PAGE_READONLY_C __pgprot(_PAGE_PRESENT \| _PAGE_RONLY \| _PAGE_ACCESSED)

#define	__P000 PAGE_NONE_C

#define	__P001 PAGE_READONLY_C

#define	__P010 PAGE_COPY_C

#define	__P011 PAGE_COPY_C

#define	__P100 PAGE_READONLY_C

#define	__P101 PAGE_READONLY_C

#define	__P110 PAGE_COPY_C

#define	__P111 PAGE_COPY_C

#define	__S000 PAGE_NONE_C

#define	__S001 PAGE_READONLY_C

#define	__S010 PAGE_SHARED_C

#define	__S011 PAGE_SHARED_C

#define	__S100 PAGE_READONLY_C

#define	__S101 PAGE_READONLY_C

#define	__S110 PAGE_SHARED_C

#define	__S111 PAGE_SHARED_C

#define	mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))

#define	__pte_page(pte) ((unsigned long)__va(pte_val(pte) & PAGE_MASK))

#define	__pmd_page(pmd) ((unsigned long)__va(pmd_val(pmd) & _TABLE_MASK))

#define	__pgd_page(pgd) ((unsigned long)__va(pgd_val(pgd) & _TABLE_MASK))

#define	pte_none(pte) (!pte_val(pte))

#define	pte_present(pte) (pte_val(pte) & (_PAGE_PRESENT \| _PAGE_PROTNONE))

#define	pte_clear(mm, addr, ptep) ({ pte_val(*(ptep)) = 0; })

#define	pte_page(pte) virt_to_page(__va(pte_val(pte)))

#define	pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)

#define	pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) \| pgprot_val(prot))

#define	pmd_none(pmd) (!pmd_val(pmd))

#define	pmd_bad(pmd) ((pmd_val(pmd) & _DESCTYPE_MASK) != _PAGE_TABLE)

#define	pmd_present(pmd) (pmd_val(pmd) & _PAGE_TABLE)

#define	pmd_clear(pmdp)

#define	pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))

#define	pgd_none(pgd) (!pgd_val(pgd))

#define	pgd_bad(pgd) ((pgd_val(pgd) & _DESCTYPE_MASK) != _PAGE_TABLE)

#define	pgd_present(pgd) (pgd_val(pgd) & _PAGE_TABLE)

#define	pgd_clear(pgdp) ({ pgd_val(*pgdp) = 0; })

#define	pgd_page(pgd) (mem_map + ((unsigned long)(__va(pgd_val(pgd)) - PAGE_OFFSET) >> PAGE_SHIFT))

#define	pte_ERROR(e) printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))

#define	pmd_ERROR(e) printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))

#define	pgd_ERROR(e) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))

#define	PAGE_DIR_OFFSET(tsk, address) pgd_offset((tsk),(address))

#define	pgd_index(address) ((address) >> PGDIR_SHIFT)

#define	swapper_pg_dir kernel_pg_dir

#define	pte_offset_map(pmdp, address) ((pte_t )__pmd_page(pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))

#define	pte_unmap(pte) ((void)0)

#define	PTE_FILE_MAX_BITS 28

#define	__swp_type(x) (((x).val >> 4) & 0xff)

#define	__swp_offset(x) ((x).val >> 12)

#define	__swp_entry(type, offset) ((swp_entry_t) { ((type) << 4) \| ((offset) << 12) })

#define	__pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })

#define	__swp_entry_to_pte(x) ((pte_t) { (x).val })

Variables
int	m68k_pgtable_cachemode

int	m68k_supervisor_cachemode

unsigned long	mm_cachebits

pgd_t	kernel_pg_dir [128]

Macro Definition Documentation

#define __P000 PAGE_NONE_C

Definition at line 79 of file motorola_pgtable.h.

#define __P001 PAGE_READONLY_C

Definition at line 80 of file motorola_pgtable.h.

#define __P010 PAGE_COPY_C

Definition at line 81 of file motorola_pgtable.h.

#define __P011 PAGE_COPY_C

Definition at line 82 of file motorola_pgtable.h.

#define __P100 PAGE_READONLY_C

Definition at line 83 of file motorola_pgtable.h.

#define __P101 PAGE_READONLY_C

Definition at line 84 of file motorola_pgtable.h.

#define __P110 PAGE_COPY_C

Definition at line 85 of file motorola_pgtable.h.

#define __P111 PAGE_COPY_C

Definition at line 86 of file motorola_pgtable.h.

#define __pgd_page ( pgd ) ((unsigned long)__va(pgd_val(pgd) & _TABLE_MASK))

Definition at line 127 of file motorola_pgtable.h.

#define __pmd_page ( pmd ) ((unsigned long)__va(pmd_val(pmd) & _TABLE_MASK))

Definition at line 126 of file motorola_pgtable.h.

#define __pte_page ( pte ) ((unsigned long)__va(pte_val(pte) & PAGE_MASK))

Definition at line 125 of file motorola_pgtable.h.

#define __pte_to_swp_entry ( pte ) ((swp_entry_t) { pte_val(pte) })

Definition at line 286 of file motorola_pgtable.h.

#define __S000 PAGE_NONE_C

Definition at line 88 of file motorola_pgtable.h.

#define __S001 PAGE_READONLY_C

Definition at line 89 of file motorola_pgtable.h.

#define __S010 PAGE_SHARED_C

Definition at line 90 of file motorola_pgtable.h.

#define __S011 PAGE_SHARED_C

Definition at line 91 of file motorola_pgtable.h.

#define __S100 PAGE_READONLY_C

Definition at line 92 of file motorola_pgtable.h.

#define __S101 PAGE_READONLY_C

Definition at line 93 of file motorola_pgtable.h.

#define __S110 PAGE_SHARED_C

Definition at line 94 of file motorola_pgtable.h.

#define __S111 PAGE_SHARED_C

Definition at line 95 of file motorola_pgtable.h.

#define __swp_entry	(	type,
		offset
	)	((swp_entry_t) { ((type) << 4) \| ((offset) << 12) })

Definition at line 285 of file motorola_pgtable.h.

#define __swp_entry_to_pte ( x ) ((pte_t) { (x).val })

Definition at line 287 of file motorola_pgtable.h.

#define __swp_offset ( x ) ((x).val >> 12)

Definition at line 284 of file motorola_pgtable.h.

#define __swp_type ( x ) (((x).val >> 4) & 0xff)

Definition at line 283 of file motorola_pgtable.h.

#define _CACHEMASK040 (~0x060)

Definition at line 24 of file motorola_pgtable.h.

#define _DESCTYPE_MASK 0x003

Definition at line 22 of file motorola_pgtable.h.

#define _PAGE_ACCESSED 0x008

Definition at line 12 of file motorola_pgtable.h.

#define _PAGE_CACHE040 0x020 /* 68040 cache mode, cachable, copyback */

Definition at line 19 of file motorola_pgtable.h.

#define _PAGE_CACHE040W 0x000 /* 68040 cache mode, cachable, write-through */

Definition at line 20 of file motorola_pgtable.h.

#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_NOCACHE)

Definition at line 28 of file motorola_pgtable.h.

#define _PAGE_DIRTY 0x010

Definition at line 13 of file motorola_pgtable.h.

#define _PAGE_FILE 0x008 /* pagecache or swap? */

Definition at line 31 of file motorola_pgtable.h.

#define _PAGE_GLOBAL040 0x400 /* 68040 global bit, used for kva descs */

Definition at line 15 of file motorola_pgtable.h.

#define _PAGE_NOCACHE 0x060 /* 68040 cache mode, non-serialized */

Definition at line 17 of file motorola_pgtable.h.

#define _PAGE_NOCACHE030 0x040 /* 68030 no-cache mode */

Definition at line 16 of file motorola_pgtable.h.

#define _PAGE_NOCACHE_S 0x040 /* 68040 no-cache mode, serialized */

Definition at line 18 of file motorola_pgtable.h.

#define _PAGE_PRESENT 0x001

Definition at line 8 of file motorola_pgtable.h.

#define _PAGE_PROTNONE 0x004

Definition at line 30 of file motorola_pgtable.h.

#define _PAGE_READWRITE 0x000

Definition at line 11 of file motorola_pgtable.h.

#define _PAGE_RONLY 0x004

Definition at line 10 of file motorola_pgtable.h.

#define _PAGE_SHORT 0x002

Definition at line 9 of file motorola_pgtable.h.

#define _PAGE_SUPER 0x080 /* 68040 supervisor only */

Definition at line 14 of file motorola_pgtable.h.

#define _PAGE_TABLE (_PAGE_SHORT)

Definition at line 27 of file motorola_pgtable.h.

#define _TABLE_MASK (0xfffffe00)

Definition at line 25 of file motorola_pgtable.h.

#define mk_pte	(	page,
		pgprot
	)	pfn_pte(page_to_pfn(page), (pgprot))

Definition at line 101 of file motorola_pgtable.h.

#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED | mm_cachebits)

Definition at line 64 of file motorola_pgtable.h.

#define PAGE_COPY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED)

Definition at line 72 of file motorola_pgtable.h.

#define PAGE_DIR_OFFSET	(	tsk,
		address
	)	pgd_offset((tsk),(address))

Definition at line 192 of file motorola_pgtable.h.

#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_DIRTY | _PAGE_ACCESSED | mm_cachebits)

Definition at line 66 of file motorola_pgtable.h.

#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED | mm_cachebits)

Definition at line 62 of file motorola_pgtable.h.

#define PAGE_NONE_C __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED)

Definition at line 70 of file motorola_pgtable.h.

#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED | mm_cachebits)

Definition at line 65 of file motorola_pgtable.h.

#define PAGE_READONLY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED)

Definition at line 73 of file motorola_pgtable.h.

#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | mm_cachebits)

Definition at line 63 of file motorola_pgtable.h.

#define PAGE_SHARED_C __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED)

Definition at line 71 of file motorola_pgtable.h.

#define pfn_pte	(	pfn,
		prot
	)	__pte(((pfn) << PAGE_SHIFT) \| pgprot_val(prot))

Definition at line 136 of file motorola_pgtable.h.

#define pgd_bad ( pgd ) ((pgd_val(pgd) & _DESCTYPE_MASK) != _PAGE_TABLE)

Definition at line 151 of file motorola_pgtable.h.

#define pgd_clear ( pgdp ) ({ pgd_val(*pgdp) = 0; })

Definition at line 153 of file motorola_pgtable.h.

#define pgd_ERROR ( e ) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))

Definition at line 160 of file motorola_pgtable.h.

#define pgd_index ( address ) ((address) >> PGDIR_SHIFT)

Definition at line 194 of file motorola_pgtable.h.

#define pgd_none ( pgd ) (!pgd_val(pgd))

Definition at line 150 of file motorola_pgtable.h.

#define pgd_page ( pgd ) (mem_map + ((unsigned long)(__va(pgd_val(pgd)) - PAGE_OFFSET) >> PAGE_SHIFT))

Definition at line 154 of file motorola_pgtable.h.

#define pgd_present ( pgd ) (pgd_val(pgd) & _PAGE_TABLE)

Definition at line 152 of file motorola_pgtable.h.

#define pmd_bad ( pmd ) ((pmd_val(pmd) & _DESCTYPE_MASK) != _PAGE_TABLE)

Definition at line 139 of file motorola_pgtable.h.

#define pmd_clear ( pmdp )

Value:

({          \
    unsigned long *__ptr = pmdp->pmd;   \
    short __i = 16;             \
    while (--__i >= 0)          \
        *__ptr++ = 0;           \
})

Definition at line 141 of file motorola_pgtable.h.

#define pmd_ERROR ( e ) printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))

Definition at line 158 of file motorola_pgtable.h.

#define pmd_none ( pmd ) (!pmd_val(pmd))

Definition at line 138 of file motorola_pgtable.h.

#define pmd_page ( pmd ) virt_to_page(__va(pmd_val(pmd)))

Definition at line 147 of file motorola_pgtable.h.

#define pmd_present ( pmd ) (pmd_val(pmd) & _PAGE_TABLE)

Definition at line 140 of file motorola_pgtable.h.

#define pte_clear	(	mm,
		addr,
		ptep
	)	({ pte_val(*(ptep)) = 0; })

Definition at line 132 of file motorola_pgtable.h.

#define pte_ERROR ( e ) printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))

Definition at line 156 of file motorola_pgtable.h.

#define PTE_FILE_MAX_BITS 28

Definition at line 269 of file motorola_pgtable.h.

#define pte_none ( pte ) (!pte_val(pte))

Definition at line 130 of file motorola_pgtable.h.

#define pte_offset_map	(	pmdp,
		address
	)	((pte_t )__pmd_page(pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))

Definition at line 224 of file motorola_pgtable.h.

#define pte_page ( pte ) virt_to_page(__va(pte_val(pte)))

Definition at line 134 of file motorola_pgtable.h.

#define pte_pfn ( pte ) (pte_val(pte) >> PAGE_SHIFT)

Definition at line 135 of file motorola_pgtable.h.

#define pte_present ( pte ) (pte_val(pte) & (_PAGE_PRESENT | _PAGE_PROTNONE))

Definition at line 131 of file motorola_pgtable.h.

#define pte_unmap ( pte ) ((void)0)

Definition at line 225 of file motorola_pgtable.h.

#define swapper_pg_dir kernel_pg_dir

Definition at line 203 of file motorola_pgtable.h.

Variable Documentation

pgd_t kernel_pg_dir[128]

int m68k_pgtable_cachemode

int m68k_supervisor_cachemode

unsigned long mm_cachebits

Definition at line 43 of file motorola.c.

Macros

Variables

Macro Definition Documentation

Variable Documentation