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-rw-r--r--include/asm-m68k/pgtable.h166
1 files changed, 0 insertions, 166 deletions
diff --git a/include/asm-m68k/pgtable.h b/include/asm-m68k/pgtable.h
deleted file mode 100644
index 0b604f0..0000000
--- a/include/asm-m68k/pgtable.h
+++ /dev/null
@@ -1,166 +0,0 @@
-#ifndef _M68K_PGTABLE_H
-#define _M68K_PGTABLE_H
-
-#include <asm-generic/4level-fixup.h>
-
-#include <asm/setup.h>
-
-#ifndef __ASSEMBLY__
-#include <asm/processor.h>
-#include <linux/sched.h>
-#include <linux/threads.h>
-
-/*
- * This file contains the functions and defines necessary to modify and use
- * the m68k page table tree.
- */
-
-#include <asm/virtconvert.h>
-
-/* Certain architectures need to do special things when pte's
- * within a page table are directly modified. Thus, the following
- * hook is made available.
- */
-#define set_pte(pteptr, pteval) \
- do{ \
- *(pteptr) = (pteval); \
- } while(0)
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-
-
-/* PMD_SHIFT determines the size of the area a second-level page table can map */
-#ifdef CONFIG_SUN3
-#define PMD_SHIFT 17
-#else
-#define PMD_SHIFT 22
-#endif
-#define PMD_SIZE (1UL << PMD_SHIFT)
-#define PMD_MASK (~(PMD_SIZE-1))
-
-/* PGDIR_SHIFT determines what a third-level page table entry can map */
-#ifdef CONFIG_SUN3
-#define PGDIR_SHIFT 17
-#else
-#define PGDIR_SHIFT 25
-#endif
-#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
-#define PGDIR_MASK (~(PGDIR_SIZE-1))
-
-/*
- * entries per page directory level: the m68k is configured as three-level,
- * so we do have PMD level physically.
- */
-#ifdef CONFIG_SUN3
-#define PTRS_PER_PTE 16
-#define PTRS_PER_PMD 1
-#define PTRS_PER_PGD 2048
-#else
-#define PTRS_PER_PTE 1024
-#define PTRS_PER_PMD 8
-#define PTRS_PER_PGD 128
-#endif
-#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_ADDRESS 0
-
-/* Virtual address region for use by kernel_map() */
-#ifdef CONFIG_SUN3
-#define KMAP_START 0x0DC00000
-#define KMAP_END 0x0E000000
-#else
-#define KMAP_START 0xd0000000
-#define KMAP_END 0xf0000000
-#endif
-
-#ifndef CONFIG_SUN3
-/* Just any arbitrary offset to the start of the vmalloc VM area: the
- * current 8MB value just means that there will be a 8MB "hole" after the
- * physical memory until the kernel virtual memory starts. That means that
- * any out-of-bounds memory accesses will hopefully be caught.
- * The vmalloc() routines leaves a hole of 4kB between each vmalloced
- * area for the same reason. ;)
- */
-#define VMALLOC_OFFSET (8*1024*1024)
-#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
-#define VMALLOC_END KMAP_START
-#else
-extern unsigned long vmalloc_end;
-#define VMALLOC_START 0x0f800000
-#define VMALLOC_END vmalloc_end
-#endif /* CONFIG_SUN3 */
-
-/* zero page used for uninitialized stuff */
-extern void *empty_zero_page;
-
-/*
- * 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))
-
-/* number of bits that fit into a memory pointer */
-#define BITS_PER_PTR (8*sizeof(unsigned long))
-
-/* to align the pointer to a pointer address */
-#define PTR_MASK (~(sizeof(void*)-1))
-
-/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
-/* 64-bit machines, beware! SRB. */
-#define SIZEOF_PTR_LOG2 2
-
-extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode);
-
-/*
- * The m68k doesn't have any external MMU info: the kernel page
- * tables contain all the necessary information. The Sun3 does, but
- * they are updated on demand.
- */
-static inline void update_mmu_cache(struct vm_area_struct *vma,
- unsigned long address, pte_t pte)
-{
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#define kern_addr_valid(addr) (1)
-
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
- remap_pfn_range(vma, vaddr, pfn, size, prot)
-
-/* MMU-specific headers */
-
-#ifdef CONFIG_SUN3
-#include <asm/sun3_pgtable.h>
-#else
-#include <asm/motorola_pgtable.h>
-#endif
-
-#ifndef __ASSEMBLY__
-#include <asm-generic/pgtable.h>
-
-/*
- * Macro to mark a page protection value as "uncacheable".
- */
-#ifdef SUN3_PAGE_NOCACHE
-# define __SUN3_PAGE_NOCACHE SUN3_PAGE_NOCACHE
-#else
-# define __SUN3_PAGE_NOCACHE 0
-#endif
-#define pgprot_noncached(prot) \
- (MMU_IS_SUN3 \
- ? (__pgprot(pgprot_val(prot) | __SUN3_PAGE_NOCACHE)) \
- : ((MMU_IS_851 || MMU_IS_030) \
- ? (__pgprot(pgprot_val(prot) | _PAGE_NOCACHE030)) \
- : (MMU_IS_040 || MMU_IS_060) \
- ? (__pgprot((pgprot_val(prot) & _CACHEMASK040) | _PAGE_NOCACHE_S)) \
- : (prot)))
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * No page table caches to initialise
- */
-#define pgtable_cache_init() do { } while (0)
-
-#define check_pgt_cache() do { } while (0)
-
-#endif /* _M68K_PGTABLE_H */
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