52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
|
/* 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 */
|