projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _M68KNOMMU_PGTABLE_H |
| 2 | #define _M68KNOMMU_PGTABLE_H | |
| 3 | ||
| 4 | #include <asm-generic/4level-fixup.h> | |
| 5 | ||
| 6 | /* | |
| 7 | * (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com> | |
| 8 | */ | |
| 9 | ||
| 10 | #include <linux/config.h> | |
| 11 | #include <linux/slab.h> | |
| 12 | #include <asm/processor.h> | |
| 13 | #include <asm/page.h> | |
| 14 | #include <asm/io.h> | |
| 15 | ||
| 16 | /* | |
| 17 | * Trivial page table functions. | |
| 18 | */ | |
| 19 | #define pgd_present(pgd) (1) | |
| 20 | #define pgd_none(pgd) (0) | |
| 21 | #define pgd_bad(pgd) (0) | |
| 22 | #define pgd_clear(pgdp) | |
| 23 | #define kern_addr_valid(addr) (1) | |
| 24 | #define pmd_offset(a, b) ((void *)0) | |
| 25 | ||
| 26 | #define PAGE_NONE __pgprot(0) | |
| 27 | #define PAGE_SHARED __pgprot(0) | |
| 28 | #define PAGE_COPY __pgprot(0) | |
| 29 | #define PAGE_READONLY __pgprot(0) | |
| 30 | #define PAGE_KERNEL __pgprot(0) | |
| 31 | ||
| 32 | extern void paging_init(void); | |
| 33 | #define swapper_pg_dir ((pgd_t *) 0) | |
| 34 | ||
| 35 | #define __swp_type(x) (0) | |
| 36 | #define __swp_offset(x) (0) | |
| 37 | #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) | |
| 38 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | |
| 39 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | |
| 40 | ||
| 41 | static inline int pte_file(pte_t pte) { return 0; } | |
| 42 | ||
| 43 | /* | |
| 44 | * ZERO_PAGE is a global shared page that is always zero: used | |
| 45 | * for zero-mapped memory areas etc.. | |
| 46 | */ | |
| 47 | #define ZERO_PAGE(vaddr) (virt_to_page(0)) | |
| 48 | ||
| 49 | /* | |
| 50 | * These would be in other places but having them here reduces the diffs. | |
| 51 | */ | |
| 52 | extern unsigned int kobjsize(const void *objp); | |
| 53 | extern int is_in_rom(unsigned long); | |
| 54 | ||
| 55 | /* | |
| 56 | * No page table caches to initialise. | |
| 57 | */ | |
| 58 | #define pgtable_cache_init() do { } while (0) | |
| 1da177e4 LT |
59 | |
| 60 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | |
| 61 | remap_pfn_range(vma, vaddr, pfn, size, prot) | |
| 62 | ||
| 63 | #define MK_IOSPACE_PFN(space, pfn) (pfn) | |
| 64 | #define GET_IOSPACE(pfn) 0 | |
| 65 | #define GET_PFN(pfn) (pfn) | |
| 66 | ||
| 67 | /* | |
| 68 | * All 32bit addresses are effectively valid for vmalloc... | |
| 69 | * Sort of meaningless for non-VM targets. | |
| 70 | */ | |
| 71 | #define VMALLOC_START 0 | |
| 72 | #define VMALLOC_END 0xffffffff | |
| 73 | ||
| 74 | #endif /* _M68KNOMMU_PGTABLE_H */ |