diff options
Diffstat (limited to 'arch/h8300/include/asm/pgtable.h')
| -rw-r--r-- | arch/h8300/include/asm/pgtable.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h new file mode 100644 index 000000000..a99caa49d --- /dev/null +++ b/arch/h8300/include/asm/pgtable.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _H8300_PGTABLE_H +#define _H8300_PGTABLE_H +#define __ARCH_USE_5LEVEL_HACK +#include <asm-generic/pgtable-nopud.h> +#include <asm-generic/pgtable.h> +#define pgtable_cache_init() do { } while (0) +extern void paging_init(void); +#define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */ +#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 }) +#define kern_addr_valid(addr) (1) +#define pgprot_writecombine(prot) (prot) +#define pgprot_noncached pgprot_writecombine + +static inline int pte_file(pte_t pte) { return 0; } +#define swapper_pg_dir ((pgd_t *) 0) +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +#define ZERO_PAGE(vaddr) (virt_to_page(0)) + +/* + * These would be in other places but having them here reduces the diffs. + */ +extern unsigned int kobjsize(const void *objp); +extern int is_in_rom(unsigned long); + +/* + * No page table caches to initialise + */ +#define pgtable_cache_init() do { } while (0) + +/* + * All 32bit addresses are effectively valid for vmalloc... + * Sort of meaningless for non-VM targets. + */ +#define VMALLOC_START 0 +#define VMALLOC_END 0xffffffff + +#define arch_enter_lazy_cpu_mode() do {} while (0) + +#endif /* _H8300_PGTABLE_H */ |