1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_PAGE_32_H
3#define _ASM_X86_PAGE_32_H
4
5#include <asm/page_32_types.h>
6
7#ifndef __ASSEMBLY__
8
9#define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET)
10#ifdef CONFIG_DEBUG_VIRTUAL
11extern unsigned long __phys_addr(unsigned long);
12#else
13#define __phys_addr(x) __phys_addr_nodebug(x)
14#endif
15#define __phys_addr_symbol(x) __phys_addr(x)
16#define __phys_reloc_hide(x) RELOC_HIDE((x), 0)
17
18#ifdef CONFIG_FLATMEM
19#define pfn_valid(pfn) ((pfn) < max_mapnr)
20#endif /* CONFIG_FLATMEM */
21
22#ifdef CONFIG_X86_USE_3DNOW
23#include <asm/mmx.h>
24
25static inline void clear_page(void *page)
26{
27 mmx_clear_page(page);
28}
29
30static inline void copy_page(void *to, void *from)
31{
32 mmx_copy_page(to, from);
33}
34#else /* !CONFIG_X86_USE_3DNOW */
35#include <linux/string.h>
36
37static inline void clear_page(void *page)
38{
39 memset(page, 0, PAGE_SIZE);
40}
41
42static inline void copy_page(void *to, void *from)
43{
44 memcpy(to, from, PAGE_SIZE);
45}
46#endif /* CONFIG_X86_3DNOW */
47#endif /* !__ASSEMBLY__ */
48
49#endif /* _ASM_X86_PAGE_32_H */
50