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Diffstat (limited to 'arch/tile/include/asm/pgtable_32.h')
-rw-r--r--arch/tile/include/asm/pgtable_32.h122
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/tile/include/asm/pgtable_32.h b/arch/tile/include/asm/pgtable_32.h
deleted file mode 100644
index 5f8c615cb5e9..000000000000
--- a/arch/tile/include/asm/pgtable_32.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- *
- */
-
-#ifndef _ASM_TILE_PGTABLE_32_H
-#define _ASM_TILE_PGTABLE_32_H
-
-/*
- * The level-1 index is defined by the huge page size. A PGD is composed
- * of PTRS_PER_PGD pgd_t's and is the top level of the page table.
- */
-#define PGDIR_SHIFT HPAGE_SHIFT
-#define PGDIR_SIZE HPAGE_SIZE
-#define PGDIR_MASK (~(PGDIR_SIZE-1))
-#define PTRS_PER_PGD _HV_L1_ENTRIES(HPAGE_SHIFT)
-#define PGD_INDEX(va) _HV_L1_INDEX(va, HPAGE_SHIFT)
-#define SIZEOF_PGD _HV_L1_SIZE(HPAGE_SHIFT)
-
-/*
- * The level-2 index is defined by the difference between the huge
- * page size and the normal page size. A PTE is composed of
- * PTRS_PER_PTE pte_t's and is the bottom level of the page table.
- * Note that the hypervisor docs use PTE for what we call pte_t, so
- * this nomenclature is somewhat confusing.
- */
-#define PTRS_PER_PTE _HV_L2_ENTRIES(HPAGE_SHIFT, PAGE_SHIFT)
-#define PTE_INDEX(va) _HV_L2_INDEX(va, HPAGE_SHIFT, PAGE_SHIFT)
-#define SIZEOF_PTE _HV_L2_SIZE(HPAGE_SHIFT, PAGE_SHIFT)
-
-#ifndef __ASSEMBLY__
-
-/*
- * Right now we initialize only a single pte table. It can be extended
- * easily, subsequent pte tables have to be allocated in one physical
- * chunk of RAM.
- *
- * HOWEVER, if we are using an allocation scheme with slop after the
- * end of the page table (e.g. where our L2 page tables are 2KB but
- * our pages are 64KB and we are allocating via the page allocator)
- * we can't extend it easily.
- */
-#define LAST_PKMAP PTRS_PER_PTE
-
-#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE*LAST_PKMAP) & PGDIR_MASK)
-
-#ifdef CONFIG_HIGHMEM
-# define _VMALLOC_END (PKMAP_BASE & ~(HPAGE_SIZE-1))
-#else
-# define _VMALLOC_END (FIXADDR_START & ~(HPAGE_SIZE-1))
-#endif
-
-/*
- * Align the vmalloc area to an L2 page table, and leave a guard page
- * at the beginning and end. The vmalloc code also puts in an internal
- * guard page between each allocation.
- */
-#define VMALLOC_END (_VMALLOC_END - PAGE_SIZE)
-extern unsigned long VMALLOC_RESERVE /* = CONFIG_VMALLOC_RESERVE */;
-#define _VMALLOC_START (_VMALLOC_END - VMALLOC_RESERVE)
-#define VMALLOC_START (_VMALLOC_START + PAGE_SIZE)
-
-/* This is the maximum possible amount of lowmem. */
-#define MAXMEM (_VMALLOC_START - PAGE_OFFSET)
-
-/* We have no pmd or pud since we are strictly a two-level page table */
-#define __ARCH_USE_5LEVEL_HACK
-#include <asm-generic/pgtable-nopmd.h>
-
-static inline int pud_huge_page(pud_t pud) { return 0; }
-
-/* We don't define any pgds for these addresses. */
-static inline int pgd_addr_invalid(unsigned long addr)
-{
- return addr >= MEM_HV_START;
-}
-
-/*
- * Provide versions of these routines that can be used safely when
- * the hypervisor may be asynchronously modifying dirty/accessed bits.
- * ptep_get_and_clear() matches the generic one but we provide it to
- * be parallel with the 64-bit code.
- */
-#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
-#define __HAVE_ARCH_PTEP_SET_WRPROTECT
-
-extern int ptep_test_and_clear_young(struct vm_area_struct *,
- unsigned long addr, pte_t *);
-extern void ptep_set_wrprotect(struct mm_struct *,
- unsigned long addr, pte_t *);
-
-#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
-static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- pte_t pte = *ptep;
- pte_clear(_mm, addr, ptep);
- return pte;
-}
-
-/*
- * pmds are wrappers around pgds, which are the same as ptes.
- * It's often convenient to "cast" back and forth and use the pte methods,
- * which are the methods supplied by the hypervisor.
- */
-#define pmd_pte(pmd) ((pmd).pud.pgd)
-#define pmdp_ptep(pmdp) (&(pmdp)->pud.pgd)
-#define pte_pmd(pte) ((pmd_t){ { (pte) } })
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_TILE_PGTABLE_32_H */