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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _M68K_PAGE_H
3#define _M68K_PAGE_H
4
5#include <linux/const.h>
6#include <asm/setup.h>
7#include <asm/page_offset.h>
8
9#include <vdso/page.h>
10
11#define PAGE_OFFSET (PAGE_OFFSET_RAW)
12
13#ifndef __ASSEMBLER__
14
15/*
16 * These are used to make use of C type-checking..
17 */
18#if !defined(CONFIG_MMU) || CONFIG_PGTABLE_LEVELS == 3
19typedef struct { unsigned long pmd; } pmd_t;
20#define pmd_val(x) ((&x)->pmd)
21#define __pmd(x) ((pmd_t) { (x) } )
22#endif
23
24typedef struct { unsigned long pte; } pte_t;
25typedef struct { unsigned long pgd; } pgd_t;
26typedef struct { unsigned long pgprot; } pgprot_t;
27
28#if defined(CONFIG_SUN3)
29/*
30 * Sun3 still uses the asm-generic/pgalloc.h code and thus needs this
31 * definition. It would be possible to unify Sun3 and ColdFire pgalloc and have
32 * all of m68k use the same type.
33 */
34typedef struct page *pgtable_t;
35#else
36typedef pte_t *pgtable_t;
37#endif
38
39#define pte_val(x) ((x).pte)
40#define pgd_val(x) ((x).pgd)
41#define pgprot_val(x) ((x).pgprot)
42
43#define __pte(x) ((pte_t) { (x) } )
44#define __pgd(x) ((pgd_t) { (x) } )
45#define __pgprot(x) ((pgprot_t) { (x) } )
46
47extern unsigned long _rambase;
48extern unsigned long _ramstart;
49extern unsigned long _ramend;
50
51#endif /* !__ASSEMBLER__ */
52
53#ifdef CONFIG_MMU
54#include <asm/page_mm.h>
55#else
56#include <asm/page_no.h>
57#endif
58
59#include <asm-generic/getorder.h>
60#include <asm-generic/memory_model.h>
61
62#endif /* _M68K_PAGE_H */