| #ifndef __V850_PGTABLE_H__ |
| #define __V850_PGTABLE_H__ |
| |
| #include <asm-generic/4level-fixup.h> |
| |
| #include <linux/config.h> |
| #include <asm/page.h> |
| |
| |
| #define pgd_present(pgd) (1) /* pages are always present on NO_MM */ |
| #define pgd_none(pgd) (0) |
| #define pgd_bad(pgd) (0) |
| #define pgd_clear(pgdp) ((void)0) |
| |
| #define pmd_offset(a, b) ((void *)0) |
| |
| #define kern_addr_valid(addr) (1) |
| |
| |
| #define __swp_type(x) (0) |
| #define __swp_offset(x) (0) |
| #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) |
| #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) |
| #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) |
| |
| |
| /* These mean nothing to !CONFIG_MMU. */ |
| #define PAGE_NONE __pgprot(0) |
| #define PAGE_SHARED __pgprot(0) |
| #define PAGE_COPY __pgprot(0) |
| #define PAGE_READONLY __pgprot(0) |
| #define PAGE_KERNEL __pgprot(0) |
| |
| |
| /* |
| * ZERO_PAGE is a global shared page that is always zero: used |
| * for zero-mapped memory areas etc. When CONFIG_MMU is not defined, this |
| * should never actually be used, so just define it to something that's |
| * will hopefully cause a bus error if it is. |
| */ |
| #define ZERO_PAGE(vaddr) ((void *)0x87654321) |
| |
| |
| /* Some bogus code in procfs uses these; whatever. */ |
| #define VMALLOC_START 0 |
| #define VMALLOC_END (~0) |
| |
| |
| extern void paging_init (void); |
| #define swapper_pg_dir ((pgd_t *) 0) |
| |
| #define pgtable_cache_init() ((void)0) |
| |
| |
| extern unsigned int kobjsize(const void *objp); |
| |
| |
| #endif /* __V850_PGTABLE_H__ */ |