linuxdebug/arch/x86/include/asm/page_32.h

36 lines
773 B
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 */
#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 /* !__ASSEMBLY__ */
#endif /* _ASM_X86_PAGE_32_H */