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
11 extern 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
clear_page(void * page)25 static inline void clear_page(void *page)
26 {
27 mmx_clear_page(page);
28 }
29
copy_page(void * to,void * from)30 static 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
clear_page(void * page)37 static inline void clear_page(void *page)
38 {
39 memset(page, 0, PAGE_SIZE);
40 }
41
copy_page(void * to,void * from)42 static 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