sh: Split out pgtable.h in to _32 and _64 variants.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 0 insertions, 496 deletions

diff --git a/include/asm-sh64/pgtable.h b/include/asm-sh64/pgtable.h
deleted file mode 100644
index 3488fe32e436..000000000000
--- a/include/asm-sh64/pgtable.h
+++ /dev/null
@@ -1,496 +0,0 @@
-#ifndef __ASM_SH64_PGTABLE_H
-#define __ASM_SH64_PGTABLE_H
-
-#include <asm-generic/4level-fixup.h>
-
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * include/asm-sh64/pgtable.h
- *
- * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2003, 2004  Paul Mundt
- * Copyright (C) 2003, 2004  Richard Curnow
- *
- * This file contains the functions and defines necessary to modify and use
- * the SuperH page table tree.
- */
-
-#ifndef __ASSEMBLY__
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <linux/threads.h>
-
-struct vm_area_struct;
-
-extern void paging_init(void);
-
-/* We provide our own get_unmapped_area to avoid cache synonym issue */
-#define HAVE_ARCH_UNMAPPED_AREA
-
-/*
- * Basically we have the same two-level (which is the logical three level
- * Linux page table layout folded) page tables as the i386.
- */
-
-/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-extern unsigned char empty_zero_page[PAGE_SIZE];
-#define ZERO_PAGE(vaddr) (mem_map + MAP_NR(empty_zero_page))
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * NEFF and NPHYS related defines.
- * FIXME : These need to be model-dependent.  For now this is OK, SH5-101 and SH5-103
- * implement 32 bits effective and 32 bits physical.  But future implementations may
- * extend beyond this.
- */
-#define NEFF            32
-#define NEFF_SIGN       (1LL << (NEFF - 1))
-#define NEFF_MASK       (-1LL << NEFF)
-
-#define NPHYS           32
-#define NPHYS_SIGN      (1LL << (NPHYS - 1))
-#define NPHYS_MASK      (-1LL << NPHYS)
-
-/* Typically 2-level is sufficient up to 32 bits of virtual address space, beyond
-   that 3-level would be appropriate. */
-#if defined(CONFIG_SH64_PGTABLE_2_LEVEL)
-/* For 4k pages, this contains 512 entries, i.e. 9 bits worth of address. */
-#define PTRS_PER_PTE    ((1<<PAGE_SHIFT)/sizeof(unsigned long long))
-#define PTE_MAGNITUDE   3             /* sizeof(unsigned long long) magnit. */
-#define PTE_SHIFT       PAGE_SHIFT
-#define PTE_BITS        (PAGE_SHIFT - PTE_MAGNITUDE)
-
-/* top level: PMD. */
-#define PGDIR_SHIFT     (PTE_SHIFT + PTE_BITS)
-#define PGD_BITS        (NEFF - PGDIR_SHIFT)
-#define PTRS_PER_PGD    (1<<PGD_BITS)
-
-/* middle level: PMD. This doesn't do anything for the 2-level case. */
-#define PTRS_PER_PMD    (1)
-
-#define PGDIR_SIZE      (1UL << PGDIR_SHIFT)
-#define PGDIR_MASK      (~(PGDIR_SIZE-1))
-#define PMD_SHIFT       PGDIR_SHIFT
-#define PMD_SIZE        PGDIR_SIZE
-#define PMD_MASK        PGDIR_MASK
-
-#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL)
-/*
- * three-level asymmetric paging structure: PGD is top level.
- * The asymmetry comes from 32-bit pointers and 64-bit PTEs.
- */
-/* bottom level: PTE. It's 9 bits = 512 pointers */
-#define PTRS_PER_PTE    ((1<<PAGE_SHIFT)/sizeof(unsigned long long))
-#define PTE_MAGNITUDE   3             /* sizeof(unsigned long long) magnit. */
-#define PTE_SHIFT       PAGE_SHIFT
-#define PTE_BITS        (PAGE_SHIFT - PTE_MAGNITUDE)
-
-/* middle level: PMD. It's 10 bits = 1024 pointers */
-#define PTRS_PER_PMD    ((1<<PAGE_SHIFT)/sizeof(unsigned long long *))
-#define PMD_MAGNITUDE   2             /* sizeof(unsigned long long *) magnit. */
-#define PMD_SHIFT       (PTE_SHIFT + PTE_BITS)
-#define PMD_BITS        (PAGE_SHIFT - PMD_MAGNITUDE)
-
-/* top level: PMD. It's 1 bit = 2 pointers */
-#define PGDIR_SHIFT     (PMD_SHIFT + PMD_BITS)
-#define PGD_BITS        (NEFF - PGDIR_SHIFT)
-#define PTRS_PER_PGD    (1<<PGD_BITS)
-
-#define PMD_SIZE        (1UL << PMD_SHIFT)
-#define PMD_MASK        (~(PMD_SIZE-1))
-#define PGDIR_SIZE      (1UL << PGDIR_SHIFT)
-#define PGDIR_MASK      (~(PGDIR_SIZE-1))
-
-#else
-#error "No defined number of page table levels"
-#endif
-
-/*
- * Error outputs.
- */
-#define pte_ERROR(e) \
-        printk("%s:%d: bad pte %016Lx.\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))
-
-/*
- * Table setting routines. Used within arch/mm only.
- */
-#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
-#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
-
-static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
-{
-        unsigned long long x = ((unsigned long long) pteval.pte);
-        unsigned long long *xp = (unsigned long long *) pteptr;
-        /*
-         * Sign-extend based on NPHYS.
-         */
-        *(xp) = (x & NPHYS_SIGN) ? (x | NPHYS_MASK) : x;
-}
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-
-static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
-{
-        pmd_val(*pmdp) = (unsigned long) ptep;
-}
-
-/*
- * PGD defines. Top level.
- */
-
-/* To find an entry in a generic PGD. */
-#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
-#define __pgd_offset(address) pgd_index(address)
-#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address))
-
-/* To find an entry in a kernel PGD. */
-#define pgd_offset_k(address) pgd_offset(&init_mm, address)
-
-/*
- * PGD level access routines.
- *
- * Note1:
- * There's no need to use physical addresses since the tree walk is all
- * in performed in software, until the PTE translation.
- *
- * Note 2:
- * A PGD entry can be uninitialized (_PGD_UNUSED), generically bad,
- * clear (_PGD_EMPTY), present. When present, lower 3 nibbles contain
- * _KERNPG_TABLE. Being a kernel virtual pointer also bit 31 must
- * be 1. Assuming an arbitrary clear value of bit 31 set to 0 and
- * lower 3 nibbles set to 0xFFF (_PGD_EMPTY) any other value is a
- * bad pgd that must be notified via printk().
- *
- */
-#define _PGD_EMPTY              0x0
-
-#if defined(CONFIG_SH64_PGTABLE_2_LEVEL)
-static inline int pgd_none(pgd_t pgd)           { return 0; }
-static inline int pgd_bad(pgd_t pgd)            { return 0; }
-#define pgd_present(pgd) ((pgd_val(pgd) & _PAGE_PRESENT) ? 1 : 0)
-#define pgd_clear(xx)                           do { } while(0)
-
-#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL)
-#define pgd_present(pgd_entry)  (1)
-#define pgd_none(pgd_entry)     (pgd_val((pgd_entry)) == _PGD_EMPTY)
-/* TODO: Think later about what a useful definition of 'bad' would be now. */
-#define pgd_bad(pgd_entry)      (0)
-#define pgd_clear(pgd_entry_p)  (set_pgd((pgd_entry_p), __pgd(_PGD_EMPTY)))
-
-#endif
-
-
-#define pgd_page_vaddr(pgd_entry)       ((unsigned long) (pgd_val(pgd_entry) & PAGE_MASK))
-#define pgd_page(pgd)   (virt_to_page(pgd_val(pgd)))
-
-
-/*
- * PMD defines. Middle level.
- */
-
-/* PGD to PMD dereferencing */
-#if defined(CONFIG_SH64_PGTABLE_2_LEVEL)
-static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
-{
-        return (pmd_t *) dir;
-}
-#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL)
-#define __pmd_offset(address) \
-                (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
-#define pmd_offset(dir, addr) \
-                ((pmd_t *) ((pgd_val(*(dir))) & PAGE_MASK) + __pmd_offset((addr)))
-#endif
-
-/*
- * PMD level access routines. Same notes as above.
- */
-#define _PMD_EMPTY              0x0
-/* Either the PMD is empty or present, it's not paged out */
-#define pmd_present(pmd_entry)  (pmd_val(pmd_entry) & _PAGE_PRESENT)
-#define pmd_clear(pmd_entry_p)  (set_pmd((pmd_entry_p), __pmd(_PMD_EMPTY)))
-#define pmd_none(pmd_entry)     (pmd_val((pmd_entry)) == _PMD_EMPTY)
-#define pmd_bad(pmd_entry)      ((pmd_val(pmd_entry) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
-
-#define pmd_page_vaddr(pmd_entry) \
-        ((unsigned long) __va(pmd_val(pmd_entry) & PAGE_MASK))
-
-#define pmd_page(pmd) \
-        (virt_to_page(pmd_val(pmd)))
-
-/* PMD to PTE dereferencing */
-#define pte_index(address) \
-                ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-
-#define pte_offset_kernel(dir, addr) \
-                ((pte_t *) ((pmd_val(*(dir))) & PAGE_MASK) + pte_index((addr)))
-
-#define pte_offset_map(dir,addr)        pte_offset_kernel(dir, addr)
-#define pte_offset_map_nested(dir,addr) pte_offset_kernel(dir, addr)
-#define pte_unmap(pte)          do { } while (0)
-#define pte_unmap_nested(pte)   do { } while (0)
-
-/* Round it up ! */
-#define USER_PTRS_PER_PGD       ((TASK_SIZE+PGDIR_SIZE-1)/PGDIR_SIZE)
-#define FIRST_USER_ADDRESS      0
-
-#ifndef __ASSEMBLY__
-#define VMALLOC_END     0xff000000
-#define VMALLOC_START   0xf0000000
-#define VMALLOC_VMADDR(x) ((unsigned long)(x))
-
-#define IOBASE_VADDR    0xff000000
-#define IOBASE_END      0xffffffff
-
-/*
- * PTEL coherent flags.
- * See Chapter 17 ST50 CPU Core Volume 1, Architecture.
- */
-/* The bits that are required in the SH-5 TLB are placed in the h/w-defined
-   positions, to avoid expensive bit shuffling on every refill.  The remaining
-   bits are used for s/w purposes and masked out on each refill.
-
-   Note, the PTE slots are used to hold data of type swp_entry_t when a page is
-   swapped out.  Only the _PAGE_PRESENT flag is significant when the page is
-   swapped out, and it must be placed so that it doesn't overlap either the
-   type or offset fields of swp_entry_t.  For x86, offset is at [31:8] and type
-   at [6:1], with _PAGE_PRESENT at bit 0 for both pte_t and swp_entry_t.  This
-   scheme doesn't map to SH-5 because bit [0] controls cacheability.  So bit
-   [2] is used for _PAGE_PRESENT and the type field of swp_entry_t is split
-   into 2 pieces.  That is handled by SWP_ENTRY and SWP_TYPE below. */
-#define _PAGE_WT        0x001  /* CB0: if cacheable, 1->write-thru, 0->write-back */
-#define _PAGE_DEVICE    0x001  /* CB0: if uncacheable, 1->device (i.e. no write-combining or reordering at bus level) */
-#define _PAGE_CACHABLE  0x002  /* CB1: uncachable/cachable */
-#define _PAGE_PRESENT   0x004  /* software: page referenced */
-#define _PAGE_FILE      0x004  /* software: only when !present */
-#define _PAGE_SIZE0     0x008  /* SZ0-bit : size of page */
-#define _PAGE_SIZE1     0x010  /* SZ1-bit : size of page */
-#define _PAGE_SHARED    0x020  /* software: reflects PTEH's SH */
-#define _PAGE_READ      0x040  /* PR0-bit : read access allowed */
-#define _PAGE_EXECUTE   0x080  /* PR1-bit : execute access allowed */
-#define _PAGE_WRITE     0x100  /* PR2-bit : write access allowed */
-#define _PAGE_USER      0x200  /* PR3-bit : user space access allowed */
-#define _PAGE_DIRTY     0x400  /* software: page accessed in write */
-#define _PAGE_ACCESSED  0x800  /* software: page referenced */
-
-/* Mask which drops software flags */
-#define _PAGE_FLAGS_HARDWARE_MASK       0xfffffffffffff3dbLL
-
-/*
- * HugeTLB support
- */
-#if defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
-#define _PAGE_SZHUGE    (_PAGE_SIZE0)
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB)
-#define _PAGE_SZHUGE    (_PAGE_SIZE1)
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512MB)
-#define _PAGE_SZHUGE    (_PAGE_SIZE0 | _PAGE_SIZE1)
-#endif
-
-/*
- * Default flags for a Kernel page.
- * This is fundametally also SHARED because the main use of this define
- * (other than for PGD/PMD entries) is for the VMALLOC pool which is
- * contextless.
- *
- * _PAGE_EXECUTE is required for modules
- *
- */
-#define _KERNPG_TABLE   (_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
-                         _PAGE_EXECUTE | \
-                         _PAGE_CACHABLE | _PAGE_ACCESSED | _PAGE_DIRTY | \
-                         _PAGE_SHARED)
-
-/* Default flags for a User page */
-#define _PAGE_TABLE     (_KERNPG_TABLE | _PAGE_USER)
-
-#define _PAGE_CHG_MASK  (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
-
-#define PAGE_NONE       __pgprot(_PAGE_CACHABLE | _PAGE_ACCESSED)
-#define PAGE_SHARED     __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
-                                 _PAGE_CACHABLE | _PAGE_ACCESSED | _PAGE_USER | \
-                                 _PAGE_SHARED)
-/* We need to include PAGE_EXECUTE in PAGE_COPY because it is the default
- * protection mode for the stack. */
-#define PAGE_COPY       __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHABLE | \
-                                 _PAGE_ACCESSED | _PAGE_USER | _PAGE_EXECUTE)
-#define PAGE_READONLY   __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHABLE | \
-                                 _PAGE_ACCESSED | _PAGE_USER)
-#define PAGE_KERNEL     __pgprot(_KERNPG_TABLE)
-
-
-/*
- * In ST50 we have full permissions (Read/Write/Execute/Shared).
- * Just match'em all. These are for mmap(), therefore all at least
- * User/Cachable/Present/Accessed. No point in making Fault on Write.
- */
-#define __MMAP_COMMON   (_PAGE_PRESENT | _PAGE_USER | _PAGE_CACHABLE | _PAGE_ACCESSED)
-       /* sxwr */
-#define __P000  __pgprot(__MMAP_COMMON)
-#define __P001  __pgprot(__MMAP_COMMON | _PAGE_READ)
-#define __P010  __pgprot(__MMAP_COMMON)
-#define __P011  __pgprot(__MMAP_COMMON | _PAGE_READ)
-#define __P100  __pgprot(__MMAP_COMMON | _PAGE_EXECUTE)
-#define __P101  __pgprot(__MMAP_COMMON | _PAGE_EXECUTE | _PAGE_READ)
-#define __P110  __pgprot(__MMAP_COMMON | _PAGE_EXECUTE)
-#define __P111  __pgprot(__MMAP_COMMON | _PAGE_EXECUTE | _PAGE_READ)
-
-#define __S000  __pgprot(__MMAP_COMMON | _PAGE_SHARED)
-#define __S001  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_READ)
-#define __S010  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_WRITE)
-#define __S011  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_READ | _PAGE_WRITE)
-#define __S100  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE)
-#define __S101  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE | _PAGE_READ)
-#define __S110  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE | _PAGE_WRITE)
-#define __S111  __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE | _PAGE_READ | _PAGE_WRITE)
-
-/* Make it a device mapping for maximum safety (e.g. for mapping device
-   registers into user-space via /dev/map).  */
-#define pgprot_noncached(x) __pgprot(((x).pgprot & ~(_PAGE_CACHABLE)) | _PAGE_DEVICE)
-#define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE)
-
-/*
- * Handling allocation failures during page table setup.
- */
-extern void __handle_bad_pmd_kernel(pmd_t * pmd);
-#define __handle_bad_pmd(x)     __handle_bad_pmd_kernel(x)
-
-/*
- * PTE level access routines.
- *
- * Note1:
- * It's the tree walk leaf. This is physical address to be stored.
- *
- * Note 2:
- * Regarding the choice of _PTE_EMPTY:
-
-   We must choose a bit pattern that cannot be valid, whether or not the page
-   is present.  bit[2]==1 => present, bit[2]==0 => swapped out.  If swapped
-   out, bits [31:8], [6:3], [1:0] are under swapper control, so only bit[7] is
-   left for us to select.  If we force bit[7]==0 when swapped out, we could use
-   the combination bit[7,2]=2'b10 to indicate an empty PTE.  Alternatively, if
-   we force bit[7]==1 when swapped out, we can use all zeroes to indicate
-   empty.  This is convenient, because the page tables get cleared to zero
-   when they are allocated.
-
- */
-#define _PTE_EMPTY      0x0
-#define pte_present(x)  (pte_val(x) & _PAGE_PRESENT)
-#define pte_clear(mm,addr,xp)   (set_pte_at(mm, addr, xp, __pte(_PTE_EMPTY)))
-#define pte_none(x)     (pte_val(x) == _PTE_EMPTY)
-
-/*
- * Some definitions to translate between mem_map, PTEs, and page
- * addresses:
- */
-
-/*
- * Given a PTE, return the index of the mem_map[] entry corresponding
- * to the page frame the PTE. Get the absolute physical address, make
- * a relative physical address and translate it to an index.
- */
-#define pte_pagenr(x)           (((unsigned long) (pte_val(x)) - \
-                                 __MEMORY_START) >> PAGE_SHIFT)
-
-/*
- * Given a PTE, return the "struct page *".
- */
-#define pte_page(x)             (mem_map + pte_pagenr(x))
-
-/*
- * Return number of (down rounded) MB corresponding to x pages.
- */
-#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
-
-
-/*
- * The following have defined behavior only work if pte_present() is true.
- */
-static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; }
-static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
-static inline int pte_write(pte_t pte){ return pte_val(pte) & _PAGE_WRITE; }
-
-static inline pte_t pte_wrprotect(pte_t pte)    { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
-static inline pte_t pte_mkclean(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
-static inline pte_t pte_mkold(pte_t pte)        { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; }
-static inline pte_t pte_mkwrite(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_WRITE)); return pte; }
-static inline pte_t pte_mkdirty(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
-static inline pte_t pte_mkyoung(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
-static inline pte_t pte_mkhuge(pte_t pte)       { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
-
-
-/*
- * Conversion functions: convert a page and protection to a page entry.
- *
- * extern pte_t mk_pte(struct page *page, pgprot_t pgprot)
- */
-#define mk_pte(page,pgprot)                                                     \
-({                                                                              \
-        pte_t __pte;                                                            \
-                                                                                \
-        set_pte(&__pte, __pte((((page)-mem_map) << PAGE_SHIFT) |                \
-                __MEMORY_START | pgprot_val((pgprot))));                        \
-        __pte;                                                                  \
-})
-
-/*
- * This takes a (absolute) physical page address that is used
- * by the remapping functions
- */
-#define mk_pte_phys(physpage, pgprot) \
-({ pte_t __pte; set_pte(&__pte, __pte(physpage | pgprot_val(pgprot))); __pte; })
-
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{ set_pte(&pte, __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot))); return pte; }
-
-typedef pte_t *pte_addr_t;
-#define pgtable_cache_init()    do { } while (0)
-
-extern void update_mmu_cache(struct vm_area_struct * vma,
-                             unsigned long address, pte_t pte);
-
-/* Encode and decode a swap entry */
-#define __swp_type(x)                   (((x).val & 3) + (((x).val >> 1) & 0x3c))
-#define __swp_offset(x)                 ((x).val >> 8)
-#define __swp_entry(type, offset)       ((swp_entry_t) { ((offset << 8) + ((type & 0x3c) << 1) + (type & 3)) })
-#define __pte_to_swp_entry(pte)         ((swp_entry_t) { pte_val(pte) })
-#define __swp_entry_to_pte(x)           ((pte_t) { (x).val })
-
-/* Encode and decode a nonlinear file mapping entry */
-#define PTE_FILE_MAX_BITS               29
-#define pte_to_pgoff(pte)               (pte_val(pte))
-#define pgoff_to_pte(off)               ((pte_t) { (off) | _PAGE_FILE })
-
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define PageSkip(page)          (0)
-#define kern_addr_valid(addr)   (1)
-
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)         \
-                remap_pfn_range(vma, vaddr, pfn, size, prot)
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * No page table caches to initialise
- */
-#define pgtable_cache_init()    do { } while (0)
-
-#define pte_pfn(x)              (((unsigned long)((x).pte)) >> PAGE_SHIFT)
-#define pfn_pte(pfn, prot)      __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-#define pfn_pmd(pfn, prot)      __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-
-extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-
-#include <asm-generic/pgtable.h>
-
-#endif /* __ASM_SH64_PGTABLE_H */