projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __V850_PGTABLE_H__ |
| 2 | #define __V850_PGTABLE_H__ | |
| 3 | ||
| 4 | #include <asm-generic/4level-fixup.h> | |
| 5 | ||
| 6 | #include <linux/config.h> | |
| 7 | #include <asm/page.h> | |
| 8 | ||
| 9 | ||
| 10 | #define pgd_present(pgd) (1) /* pages are always present on NO_MM */ | |
| 11 | #define pgd_none(pgd) (0) | |
| 12 | #define pgd_bad(pgd) (0) | |
| 13 | #define pgd_clear(pgdp) ((void)0) | |
| 14 | ||
| 15 | #define pmd_offset(a, b) ((void *)0) | |
| 16 | ||
| 17 | #define kern_addr_valid(addr) (1) | |
| 18 | ||
| 19 | ||
| 20 | #define __swp_type(x) (0) | |
| 21 | #define __swp_offset(x) (0) | |
| 22 | #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) | |
| 23 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | |
| 24 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | |
| 25 | ||
| 26 | ||
| 27 | /* These mean nothing to !CONFIG_MMU. */ | |
| 28 | #define PAGE_NONE __pgprot(0) | |
| 29 | #define PAGE_SHARED __pgprot(0) | |
| 30 | #define PAGE_COPY __pgprot(0) | |
| 31 | #define PAGE_READONLY __pgprot(0) | |
| 32 | #define PAGE_KERNEL __pgprot(0) | |
| 33 | ||
| 34 | ||
| 35 | /* | |
| 36 | * ZERO_PAGE is a global shared page that is always zero: used | |
| 37 | * for zero-mapped memory areas etc. When CONFIG_MMU is not defined, this | |
| 38 | * should never actually be used, so just define it to something that's | |
| 39 | * will hopefully cause a bus error if it is. | |
| 40 | */ | |
| 41 | #define ZERO_PAGE(vaddr) ((void *)0x87654321) | |
| 42 | ||
| 43 | ||
| 44 | /* Some bogus code in procfs uses these; whatever. */ | |
| 45 | #define VMALLOC_START 0 | |
| 46 | #define VMALLOC_END (~0) | |
| 47 | ||
| 48 | ||
| 49 | extern void paging_init (void); | |
| 50 | #define swapper_pg_dir ((pgd_t *) 0) | |
| 51 | ||
| 52 | #define pgtable_cache_init() ((void)0) | |
| 53 | ||
| 54 | ||
| 55 | extern unsigned int kobjsize(const void *objp); | |
| 56 | ||
| 57 | ||
| 58 | #endif /* __V850_PGTABLE_H__ */ |