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@@ -1,135 +0,0 @@
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-/*
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- * linux/include/asm-xtensa/page.h
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version2 as
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- * published by the Free Software Foundation.
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- *
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- * Copyright (C) 2001 - 2005 Tensilica Inc.
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- */
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-
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-#ifndef _XTENSA_PAGE_H
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-#define _XTENSA_PAGE_H
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-
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-#ifdef __KERNEL__
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-
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-#include <asm/processor.h>
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-#include <linux/config.h>
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-
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-/*
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- * PAGE_SHIFT determines the page size
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- * PAGE_ALIGN(x) aligns the pointer to the (next) page boundary
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- */
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-#define PAGE_SHIFT XCHAL_MMU_MIN_PTE_PAGE_SIZE
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-#define PAGE_SIZE (1 << PAGE_SHIFT)
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-#define PAGE_MASK (~(PAGE_SIZE-1))
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-#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE - 1) & PAGE_MASK)
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-
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-#define DCACHE_WAY_SIZE (XCHAL_DCACHE_SIZE / XCHAL_DCACHE_WAYS)
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-#define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR
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-
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-#ifdef __ASSEMBLY__
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-
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-#define __pgprot(x) (x)
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-
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-#else
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-
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-
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-/*
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- * These are used to make use of C type-checking..
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- */
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-typedef struct { unsigned long pte; } pte_t; /* page table entry */
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-typedef struct { unsigned long pmd; } pmd_t; /* PMD table entry */
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-typedef struct { unsigned long pgd; } pgd_t; /* PGD table entry */
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-typedef struct { unsigned long pgprot; } pgprot_t;
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-
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-#define pte_val(x) ((x).pte)
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-#define pmd_val(x) ((x).pmd)
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-#define pgd_val(x) ((x).pgd)
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-#define pgprot_val(x) ((x).pgprot)
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-
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-#define __pte(x) ((pte_t) { (x) } )
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-#define __pmd(x) ((pmd_t) { (x) } )
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-#define __pgd(x) ((pgd_t) { (x) } )
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-#define __pgprot(x) ((pgprot_t) { (x) } )
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-
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-/*
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- * Pure 2^n version of get_order
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- */
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-extern __inline__ int get_order(unsigned long size)
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-{
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- int order;
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-#ifndef XCHAL_HAVE_NSU
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- unsigned long x1, x2, x4, x8, x16;
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-
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- size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
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- x1 = size & 0xAAAAAAAA;
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- x2 = size & 0xCCCCCCCC;
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- x4 = size & 0xF0F0F0F0;
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- x8 = size & 0xFF00FF00;
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- x16 = size & 0xFFFF0000;
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- order = x2 ? 2 : 0;
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- order += (x16 != 0) * 16;
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- order += (x8 != 0) * 8;
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- order += (x4 != 0) * 4;
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- order += (x1 != 0);
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-
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- return order;
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-#else
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- size = (size - 1) >> PAGE_SHIFT;
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- asm ("nsau %0, %1" : "=r" (order) : "r" (size));
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- return 32 - order;
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-#endif
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-}
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-
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-
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-struct page;
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-extern void clear_page(void *page);
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-extern void copy_page(void *to, void *from);
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-
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-/*
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- * If we have cache aliasing and writeback caches, we might have to do
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- * some extra work
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- */
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-
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-#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
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-void clear_user_page(void *addr, unsigned long vaddr, struct page* page);
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-void copy_user_page(void *to, void* from, unsigned long vaddr, struct page* page);
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-#else
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-# define clear_user_page(page,vaddr,pg) clear_page(page)
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-# define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
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-#endif
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-
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-
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-/*
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- * This handles the memory map. We handle pages at
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- * XCHAL_KSEG_CACHED_VADDR for kernels with 32 bit address space.
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- * These macros are for conversion of kernel address, not user
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- * addresses.
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- */
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-
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-#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
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-#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
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-#define pfn_valid(pfn) ((unsigned long)pfn < max_mapnr)
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-#ifndef CONFIG_DISCONTIGMEM
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-# define pfn_to_page(pfn) (mem_map + (pfn))
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-# define page_to_pfn(page) ((unsigned long)((page) - mem_map))
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-#else
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-# error CONFIG_DISCONTIGMEM not supported
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-#endif
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-
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-#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
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-#define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT)
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-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
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-#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
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-
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-#define WANT_PAGE_VIRTUAL
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-
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-
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-#endif /* __ASSEMBLY__ */
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-
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-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
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- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
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-
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-#endif /* __KERNEL__ */
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-#endif /* _XTENSA_PAGE_H */
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