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1da177e4 LT |
1 | #ifndef _H8300_PGTABLE_H |
2 | #define _H8300_PGTABLE_H | |
3 | ||
4 | #include <asm-generic/4level-fixup.h> | |
5 | ||
1da177e4 LT |
6 | #include <linux/slab.h> |
7 | #include <asm/processor.h> | |
8 | #include <asm/page.h> | |
9 | #include <asm/io.h> | |
10 | ||
11 | #define pgd_present(pgd) (1) /* pages are always present on NO_MM */ | |
12 | #define pgd_none(pgd) (0) | |
13 | #define pgd_bad(pgd) (0) | |
14 | #define pgd_clear(pgdp) | |
15 | #define kern_addr_valid(addr) (1) | |
16 | #define pmd_offset(a, b) ((void *)0) | |
17 | #define pmd_none(pmd) (1) | |
18 | #define pgd_offset_k(adrdress) ((pgd_t *)0) | |
19 | #define pte_offset_kernel(dir, address) ((pte_t *)0) | |
20 | ||
21 | #define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */ | |
22 | #define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */ | |
23 | #define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */ | |
24 | #define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */ | |
25 | #define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */ | |
26 | ||
27 | extern void paging_init(void); | |
28 | #define swapper_pg_dir ((pgd_t *) 0) | |
29 | ||
30 | #define __swp_type(x) (0) | |
31 | #define __swp_offset(x) (0) | |
32 | #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) | |
33 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | |
34 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | |
35 | ||
36 | static inline int pte_file(pte_t pte) { return 0; } | |
37 | ||
38 | /* | |
39 | * ZERO_PAGE is a global shared page that is always zero: used | |
40 | * for zero-mapped memory areas etc.. | |
41 | */ | |
42 | #define ZERO_PAGE(vaddr) (virt_to_page(0)) | |
43 | ||
44 | /* | |
45 | * These would be in other places but having them here reduces the diffs. | |
46 | */ | |
47 | extern unsigned int kobjsize(const void *objp); | |
48 | extern int is_in_rom(unsigned long); | |
49 | ||
50 | /* | |
51 | * No page table caches to initialise | |
52 | */ | |
53 | #define pgtable_cache_init() do { } while (0) | |
1da177e4 LT |
54 | |
55 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | |
56 | remap_pfn_range(vma, vaddr, pfn, size, prot) | |
57 | ||
1da177e4 LT |
58 | /* |
59 | * All 32bit addresses are effectively valid for vmalloc... | |
60 | * Sort of meaningless for non-VM targets. | |
61 | */ | |
62 | #define VMALLOC_START 0 | |
63 | #define VMALLOC_END 0xffffffff | |
64 | ||
65 | /* | |
66 | * All 32bit addresses are effectively valid for vmalloc... | |
67 | * Sort of meaningless for non-VM targets. | |
68 | */ | |
69 | #define VMALLOC_START 0 | |
70 | #define VMALLOC_END 0xffffffff | |
71 | ||
c728d604 | 72 | #define arch_enter_lazy_cpu_mode() do {} while (0) |
9adec610 GU |
73 | |
74 | #include <asm-generic/pgtable.h> | |
75 | ||
1da177e4 | 76 | #endif /* _H8300_PGTABLE_H */ |