summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/include/asm/pgtable.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include/asm/pgtable.h')
-rw-r--r--arch/blackfin/include/asm/pgtable.h104
1 files changed, 0 insertions, 104 deletions
diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h
deleted file mode 100644
index c1ee3d6..0000000
--- a/arch/blackfin/include/asm/pgtable.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef _BLACKFIN_PGTABLE_H
-#define _BLACKFIN_PGTABLE_H
-
-#include <asm-generic/4level-fixup.h>
-
-#include <asm/page.h>
-#include <asm/def_LPBlackfin.h>
-
-typedef pte_t *pte_addr_t;
-/*
-* Trivial page table functions.
-*/
-#define pgd_present(pgd) (1)
-#define pgd_none(pgd) (0)
-#define pgd_bad(pgd) (0)
-#define pgd_clear(pgdp)
-#define kern_addr_valid(addr) (1)
-
-#define pmd_offset(a, b) ((void *)0)
-#define pmd_none(x) (!pmd_val(x))
-#define pmd_present(x) (pmd_val(x))
-#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
-#define pmd_bad(x) (pmd_val(x) & ~PAGE_MASK)
-
-#define kern_addr_valid(addr) (1)
-
-#define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */
-#define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */
-#define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */
-#define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */
-#define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */
-#define pgprot_noncached(prot) (prot)
-
-extern void paging_init(void);
-
-#define __swp_type(x) (0)
-#define __swp_offset(x) (0)
-#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
-#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
-#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-
-#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
-
-/*
- * Page assess control based on Blackfin CPLB management
- */
-#define _PAGE_RD (CPLB_USER_RD)
-#define _PAGE_WR (CPLB_USER_WR)
-#define _PAGE_USER (CPLB_USER_RD | CPLB_USER_WR)
-#define _PAGE_ACCESSED CPLB_ALL_ACCESS
-#define _PAGE_DIRTY (CPLB_DIRTY)
-
-#define PTE_BIT_FUNC(fn, op) \
- static inline pte_t pte_##fn(pte_t _pte) { _pte.pte op; return _pte; }
-
-PTE_BIT_FUNC(rdprotect, &= ~_PAGE_RD);
-PTE_BIT_FUNC(mkread, |= _PAGE_RD);
-PTE_BIT_FUNC(wrprotect, &= ~_PAGE_WR);
-PTE_BIT_FUNC(mkwrite, |= _PAGE_WR);
-PTE_BIT_FUNC(exprotect, &= ~_PAGE_USER);
-PTE_BIT_FUNC(mkexec, |= _PAGE_USER);
-PTE_BIT_FUNC(mkclean, &= ~_PAGE_DIRTY);
-PTE_BIT_FUNC(mkdirty, |= _PAGE_DIRTY);
-PTE_BIT_FUNC(mkold, &= ~_PAGE_ACCESSED);
-PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED);
-
-/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page)
-extern char empty_zero_page[];
-
-#define swapper_pg_dir ((pgd_t *) 0)
-/*
- * No page table caches to initialise.
- */
-#define pgtable_cache_init() do { } while (0)
-
-/*
- * All 32bit addresses are effectively valid for vmalloc...
- * Sort of meaningless for non-VM targets.
- */
-#define VMALLOC_START 0
-#define VMALLOC_END 0xffffffff
-
-/* provide a special get_unmapped_area for framebuffer mmaps of nommu */
-extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
- unsigned long, unsigned long,
- unsigned long);
-#define HAVE_ARCH_FB_UNMAPPED_AREA
-
-#define pgprot_writecombine pgprot_noncached
-
-#include <asm-generic/pgtable.h>
-
-#endif /* _BLACKFIN_PGTABLE_H */
OpenPOWER on IntegriCloud