diff options
Diffstat (limited to 'arch/h8300/include/asm/pgtable.h')
-rw-r--r-- | arch/h8300/include/asm/pgtable.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h new file mode 100644 index 000000000000..a09230a08e02 --- /dev/null +++ b/arch/h8300/include/asm/pgtable.h | |||
@@ -0,0 +1,73 @@ | |||
1 | #ifndef _H8300_PGTABLE_H | ||
2 | #define _H8300_PGTABLE_H | ||
3 | |||
4 | #include <asm-generic/4level-fixup.h> | ||
5 | |||
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) | ||
54 | |||
55 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | ||
56 | remap_pfn_range(vma, vaddr, pfn, size, prot) | ||
57 | |||
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 | |||
72 | #define arch_enter_lazy_cpu_mode() do {} while (0) | ||
73 | #endif /* _H8300_PGTABLE_H */ | ||