1 files changed, 0 insertions, 383 deletions
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
deleted file mode 100644
index 6a0edf72ffbc..000000000000
--- a/include/asm-mips/pgtable.h
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 2003 Ralf Baechle
- */
-#ifndef _ASM_PGTABLE_H
-#define _ASM_PGTABLE_H
-
-#ifdef CONFIG_32BIT
-#include <asm/pgtable-32.h>
-#endif
-#ifdef CONFIG_64BIT
-#include <asm/pgtable-64.h>
-#endif
-
-#include <asm/io.h>
-#include <asm/pgtable-bits.h>
-
-struct mm_struct;
-struct vm_area_struct;
-
-#define PAGE_NONE	__pgprot(_PAGE_PRESENT | _CACHE_CACHABLE_NONCOHERENT)
-#define PAGE_SHARED	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
-				 _page_cachable_default)
-#define PAGE_COPY	__pgprot(_PAGE_PRESENT | _PAGE_READ | \
-				 _page_cachable_default)
-#define PAGE_READONLY	__pgprot(_PAGE_PRESENT | _PAGE_READ | \
-				 _page_cachable_default)
-#define PAGE_KERNEL	__pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \
-				 _PAGE_GLOBAL | _page_cachable_default)
-#define PAGE_USERIO	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
-				 _page_cachable_default)
-#define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \
-			__WRITEABLE | _PAGE_GLOBAL | _CACHE_UNCACHED)
-
-/*
- * MIPS can't do page protection for execute, and considers that the same like
- * read. Also, write permissions imply read permissions. This is the closest
- * we can get by reasonable means..
- */
-
-/*
- * Dummy values to fill the table in mmap.c
- * The real values will be generated at runtime
- */
-#define __P000 __pgprot(0)
-#define __P001 __pgprot(0)
-#define __P010 __pgprot(0)
-#define __P011 __pgprot(0)
-#define __P100 __pgprot(0)
-#define __P101 __pgprot(0)
-#define __P110 __pgprot(0)
-#define __P111 __pgprot(0)
-
-#define __S000 __pgprot(0)
-#define __S001 __pgprot(0)
-#define __S010 __pgprot(0)
-#define __S011 __pgprot(0)
-#define __S100 __pgprot(0)
-#define __S101 __pgprot(0)
-#define __S110 __pgprot(0)
-#define __S111 __pgprot(0)
-
-extern unsigned long _page_cachable_default;
-
-/*
- * ZERO_PAGE is a global shared page that is always zero; used
- * for zero-mapped memory areas etc..
- */
-
-extern unsigned long empty_zero_page;
-extern unsigned long zero_page_mask;
-
-#define ZERO_PAGE(vaddr) \
-	(virt_to_page((void *)(empty_zero_page + (((unsigned long)(vaddr)) & zero_page_mask))))
-
-extern void paging_init(void);
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-#define pmd_phys(pmd)		virt_to_phys((void *)pmd_val(pmd))
-#define pmd_page(pmd)		(pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
-#define pmd_page_vaddr(pmd)	pmd_val(pmd)
-
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-
-#define pte_none(pte)		(!(((pte).pte_low | (pte).pte_high) & ~_PAGE_GLOBAL))
-#define pte_present(pte)	((pte).pte_low & _PAGE_PRESENT)
-
-static inline void set_pte(pte_t *ptep, pte_t pte)
-{
-	ptep->pte_high = pte.pte_high;
-	smp_wmb();
-	ptep->pte_low = pte.pte_low;
-	//printk("pte_high %x pte_low %x\n", ptep->pte_high, ptep->pte_low);
-
-	if (pte.pte_low & _PAGE_GLOBAL) {
-		pte_t *buddy = ptep_buddy(ptep);
-		/*
-		 * Make sure the buddy is global too (if it's !none,
-		 * it better already be global)
-		 */
-		if (pte_none(*buddy)) {
-			buddy->pte_low  |= _PAGE_GLOBAL;
-			buddy->pte_high |= _PAGE_GLOBAL;
-		}
-	}
-}
-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
-
-static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-	pte_t null = __pte(0);
-
-	/* Preserve global status for the pair */
-	if (ptep_buddy(ptep)->pte_low & _PAGE_GLOBAL)
-		null.pte_low = null.pte_high = _PAGE_GLOBAL;
-
-	set_pte_at(mm, addr, ptep, null);
-}
-#else
-
-#define pte_none(pte)		(!(pte_val(pte) & ~_PAGE_GLOBAL))
-#define pte_present(pte)	(pte_val(pte) & _PAGE_PRESENT)
-
-/*
- * Certain architectures need to do special things when pte's
- * within a page table are directly modified.  Thus, the following
- * hook is made available.
- */
-static inline void set_pte(pte_t *ptep, pte_t pteval)
-{
-	*ptep = pteval;
-#if !defined(CONFIG_CPU_R3000) && !defined(CONFIG_CPU_TX39XX)
-	if (pte_val(pteval) & _PAGE_GLOBAL) {
-		pte_t *buddy = ptep_buddy(ptep);
-		/*
-		 * Make sure the buddy is global too (if it's !none,
-		 * it better already be global)
-		 */
-		if (pte_none(*buddy))
-			pte_val(*buddy) = pte_val(*buddy) | _PAGE_GLOBAL;
-	}
-#endif
-}
-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
-
-static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-#if !defined(CONFIG_CPU_R3000) && !defined(CONFIG_CPU_TX39XX)
-	/* Preserve global status for the pair */
-	if (pte_val(*ptep_buddy(ptep)) & _PAGE_GLOBAL)
-		set_pte_at(mm, addr, ptep, __pte(_PAGE_GLOBAL));
-	else
-#endif
-		set_pte_at(mm, addr, ptep, __pte(0));
-}
-#endif
-
-/*
- * (pmds are folded into puds so this doesn't get actually called,
- * but the define is needed for a generic inline function.)
- */
-#define set_pmd(pmdptr, pmdval) do { *(pmdptr) = (pmdval); } while(0)
-
-#ifdef CONFIG_64BIT
-/*
- * (puds are folded into pgds so this doesn't get actually called,
- * but the define is needed for a generic inline function.)
- */
-#define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0)
-#endif
-
-#define PGD_T_LOG2	(__builtin_ffs(sizeof(pgd_t)) - 1)
-#define PMD_T_LOG2	(__builtin_ffs(sizeof(pmd_t)) - 1)
-#define PTE_T_LOG2	(__builtin_ffs(sizeof(pte_t)) - 1)
-
-/*
- * We used to declare this array with size but gcc 3.3 and older are not able
- * to find that this expression is a constant, so the size is dropped.
- */
-extern pgd_t swapper_pg_dir[];
-
-/*
- * The following only work if pte_present() is true.
- * Undefined behaviour if not..
- */
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-static inline int pte_write(pte_t pte)	{ return pte.pte_low & _PAGE_WRITE; }
-static inline int pte_dirty(pte_t pte)	{ return pte.pte_low & _PAGE_MODIFIED; }
-static inline int pte_young(pte_t pte)	{ return pte.pte_low & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte)	{ return pte.pte_low & _PAGE_FILE; }
-
-static inline pte_t pte_wrprotect(pte_t pte)
-{
-	pte.pte_low  &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
-	pte.pte_high &= ~_PAGE_SILENT_WRITE;
-	return pte;
-}
-
-static inline pte_t pte_mkclean(pte_t pte)
-{
-	pte.pte_low  &= ~(_PAGE_MODIFIED | _PAGE_SILENT_WRITE);
-	pte.pte_high &= ~_PAGE_SILENT_WRITE;
-	return pte;
-}
-
-static inline pte_t pte_mkold(pte_t pte)
-{
-	pte.pte_low  &= ~(_PAGE_ACCESSED | _PAGE_SILENT_READ);
-	pte.pte_high &= ~_PAGE_SILENT_READ;
-	return pte;
-}
-
-static inline pte_t pte_mkwrite(pte_t pte)
-{
-	pte.pte_low |= _PAGE_WRITE;
-	if (pte.pte_low & _PAGE_MODIFIED) {
-		pte.pte_low  |= _PAGE_SILENT_WRITE;
-		pte.pte_high |= _PAGE_SILENT_WRITE;
-	}
-	return pte;
-}
-
-static inline pte_t pte_mkdirty(pte_t pte)
-{
-	pte.pte_low |= _PAGE_MODIFIED;
-	if (pte.pte_low & _PAGE_WRITE) {
-		pte.pte_low  |= _PAGE_SILENT_WRITE;
-		pte.pte_high |= _PAGE_SILENT_WRITE;
-	}
-	return pte;
-}
-
-static inline pte_t pte_mkyoung(pte_t pte)
-{
-	pte.pte_low |= _PAGE_ACCESSED;
-	if (pte.pte_low & _PAGE_READ) {
-		pte.pte_low  |= _PAGE_SILENT_READ;
-		pte.pte_high |= _PAGE_SILENT_READ;
-	}
-	return pte;
-}
-#else
-static inline int pte_write(pte_t pte)	{ return pte_val(pte) & _PAGE_WRITE; }
-static inline int pte_dirty(pte_t pte)	{ return pte_val(pte) & _PAGE_MODIFIED; }
-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 pte_t pte_wrprotect(pte_t pte)
-{
-	pte_val(pte) &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
-	return pte;
-}
-
-static inline pte_t pte_mkclean(pte_t pte)
-{
-	pte_val(pte) &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
-	return pte;
-}
-
-static inline pte_t pte_mkold(pte_t pte)
-{
-	pte_val(pte) &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
-	return pte;
-}
-
-static inline pte_t pte_mkwrite(pte_t pte)
-{
-	pte_val(pte) |= _PAGE_WRITE;
-	if (pte_val(pte) & _PAGE_MODIFIED)
-		pte_val(pte) |= _PAGE_SILENT_WRITE;
-	return pte;
-}
-
-static inline pte_t pte_mkdirty(pte_t pte)
-{
-	pte_val(pte) |= _PAGE_MODIFIED;
-	if (pte_val(pte) & _PAGE_WRITE)
-		pte_val(pte) |= _PAGE_SILENT_WRITE;
-	return pte;
-}
-
-static inline pte_t pte_mkyoung(pte_t pte)
-{
-	pte_val(pte) |= _PAGE_ACCESSED;
-	if (pte_val(pte) & _PAGE_READ)
-		pte_val(pte) |= _PAGE_SILENT_READ;
-	return pte;
-}
-#endif
-static inline int pte_special(pte_t pte)	{ return 0; }
-static inline pte_t pte_mkspecial(pte_t pte)	{ return pte; }
-
-/*
- * Macro to make mark a page protection value as "uncacheable".  Note
- * that "protection" is really a misnomer here as the protection value
- * contains the memory attribute bits, dirty bits, and various other
- * bits as well.
- */
-#define pgprot_noncached pgprot_noncached
-
-static inline pgprot_t pgprot_noncached(pgprot_t _prot)
-{
-	unsigned long prot = pgprot_val(_prot);
-
-	prot = (prot & ~_CACHE_MASK) | _CACHE_UNCACHED;
-
-	return __pgprot(prot);
-}
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-#define mk_pte(page, pgprot)	pfn_pte(page_to_pfn(page), (pgprot))
-
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
-	pte.pte_low  &= _PAGE_CHG_MASK;
-	pte.pte_high &= ~0x3f;
-	pte.pte_low  |= pgprot_val(newprot);
-	pte.pte_high |= pgprot_val(newprot) & 0x3f;
-	return pte;
-}
-#else
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
-	return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
-}
-#endif
-
-
-extern void __update_tlb(struct vm_area_struct *vma, unsigned long address,
-	pte_t pte);
-extern void __update_cache(struct vm_area_struct *vma, unsigned long address,
-	pte_t pte);
-
-static inline void update_mmu_cache(struct vm_area_struct *vma,
-	unsigned long address, pte_t pte)
-{
-	__update_tlb(vma, address, pte);
-	__update_cache(vma, address, pte);
-}
-
-#define kern_addr_valid(addr)	(1)
-
-#ifdef CONFIG_64BIT_PHYS_ADDR
-extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot);
-
-static inline int io_remap_pfn_range(struct vm_area_struct *vma,
-		unsigned long vaddr,
-		unsigned long pfn,
-		unsigned long size,
-		pgprot_t prot)
-{
-	phys_t phys_addr_high = fixup_bigphys_addr(pfn << PAGE_SHIFT, size);
-	return remap_pfn_range(vma, vaddr, phys_addr_high >> PAGE_SHIFT, size, prot);
-}
-#else
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
-		remap_pfn_range(vma, vaddr, pfn, size, prot)
-#endif
-
-#include <asm-generic/pgtable.h>
-
-/*
- * We provide our own get_unmapped area to cope with the virtual aliasing
- * constraints placed on us by the cache architecture.
- */
-#define HAVE_ARCH_UNMAPPED_AREA
-
-/*
- * No page table caches to initialise
- */
-#define pgtable_cache_init()	do { } while (0)
-
-#endif /* _ASM_PGTABLE_H */