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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 06:32:13 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 06:32:13 -0400
commit9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee (patch)
tree651f7058bbaa2d8b2855286380d614afcf505118 /arch/h8300/include/asm/pgtable.h
parent31db6e9ea1dbdcf66b8227b4f7035dee1b1dd8c0 (diff)
parentbef69ea0dcce574a425feb0a5aa4c63dd108b9a6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/h8300/include/asm/pgtable.h')
-rw-r--r--arch/h8300/include/asm/pgtable.h73
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
27extern 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
36static 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 */
47extern unsigned int kobjsize(const void *objp);
48extern 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 */