xref: /openbmc/linux/arch/x86/include/asm/page_32.h (revision 51c78eb3)
11965aae3SH. Peter Anvin #ifndef _ASM_X86_PAGE_32_H
21965aae3SH. Peter Anvin #define _ASM_X86_PAGE_32_H
3bb898558SAl Viro 
451c78eb3SJeremy Fitzhardinge #include <asm/page_32_types.h>
5bb898558SAl Viro 
6bb898558SAl Viro #ifdef CONFIG_HUGETLB_PAGE
7bb898558SAl Viro #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
8bb898558SAl Viro #endif
9bb898558SAl Viro 
10bb898558SAl Viro #define __phys_addr_nodebug(x)	((x) - PAGE_OFFSET)
11bb898558SAl Viro #ifdef CONFIG_DEBUG_VIRTUAL
12bb898558SAl Viro extern unsigned long __phys_addr(unsigned long);
13bb898558SAl Viro #else
14bb898558SAl Viro #define __phys_addr(x)		__phys_addr_nodebug(x)
15bb898558SAl Viro #endif
16bb898558SAl Viro #define __phys_reloc_hide(x)	RELOC_HIDE((x), 0)
17bb898558SAl Viro 
18bb898558SAl Viro #ifdef CONFIG_FLATMEM
19bb898558SAl Viro #define pfn_valid(pfn)		((pfn) < max_mapnr)
20bb898558SAl Viro #endif /* CONFIG_FLATMEM */
21bb898558SAl Viro 
2251c78eb3SJeremy Fitzhardinge #ifndef __ASSEMBLY__
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24bb898558SAl Viro #ifdef CONFIG_X86_USE_3DNOW
25bb898558SAl Viro #include <asm/mmx.h>
26bb898558SAl Viro 
27bb898558SAl Viro static inline void clear_page(void *page)
28bb898558SAl Viro {
29bb898558SAl Viro 	mmx_clear_page(page);
30bb898558SAl Viro }
31bb898558SAl Viro 
32bb898558SAl Viro static inline void copy_page(void *to, void *from)
33bb898558SAl Viro {
34bb898558SAl Viro 	mmx_copy_page(to, from);
35bb898558SAl Viro }
36bb898558SAl Viro #else  /* !CONFIG_X86_USE_3DNOW */
37bb898558SAl Viro #include <linux/string.h>
38bb898558SAl Viro 
39bb898558SAl Viro static inline void clear_page(void *page)
40bb898558SAl Viro {
41bb898558SAl Viro 	memset(page, 0, PAGE_SIZE);
42bb898558SAl Viro }
43bb898558SAl Viro 
44bb898558SAl Viro static inline void copy_page(void *to, void *from)
45bb898558SAl Viro {
46bb898558SAl Viro 	memcpy(to, from, PAGE_SIZE);
47bb898558SAl Viro }
48bb898558SAl Viro #endif	/* CONFIG_X86_3DNOW */
49bb898558SAl Viro #endif	/* !__ASSEMBLY__ */
50bb898558SAl Viro 
511965aae3SH. Peter Anvin #endif /* _ASM_X86_PAGE_32_H */
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