[deliverable/linux.git] / arch / x86 / include / asm / page_32.h

#ifndef _ASM_X86_PAGE_32_H
#define _ASM_X86_PAGE_32_H

#include <asm/page_32_types.h>

#ifndef __ASSEMBLY__

#ifdef CONFIG_HUGETLB_PAGE
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif

#define __phys_addr_nodebug(x)	((x) - PAGE_OFFSET)
#ifdef CONFIG_DEBUG_VIRTUAL
extern unsigned long __phys_addr(unsigned long);
#else
#define __phys_addr(x)		__phys_addr_nodebug(x)
#endif
#define __phys_reloc_hide(x)	RELOC_HIDE((x), 0)

#ifdef CONFIG_FLATMEM
#define pfn_valid(pfn)		((pfn) < max_mapnr)
#endif /* CONFIG_FLATMEM */

#ifdef CONFIG_X86_USE_3DNOW
#include <asm/mmx.h>

static inline void clear_page(void *page)
{
	mmx_clear_page(page);
}

static inline void copy_page(void *to, void *from)
{
	mmx_copy_page(to, from);
}
#else  /* !CONFIG_X86_USE_3DNOW */
#include <linux/string.h>

static inline void clear_page(void *page)
{
	memset(page, 0, PAGE_SIZE);
}

static inline void copy_page(void *to, void *from)
{
	memcpy(to, from, PAGE_SIZE);
}
#endif	/* CONFIG_X86_3DNOW */
#endif	/* !__ASSEMBLY__ */

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