50 lines
1 KiB
C
50 lines
1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _ASM_X86_PAGE_32_H
|
||
|
|
#define _ASM_X86_PAGE_32_H
|
||
|
|
|
||
|
|
#include <asm/page_32_types.h>
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
|
||
|
|
#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_addr_symbol(x) __phys_addr(x)
|
||
|
|
#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 */
|