xref: /linux/arch/x86/include/asm/page_32.h (revision be239684b18e1cdcafcf8c7face4a2f562c745ad)
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 #include <linux/string.h>
19 
20 static inline void clear_page(void *page)
21 {
22 	memset(page, 0, PAGE_SIZE);
23 }
24 
25 static inline void copy_page(void *to, void *from)
26 {
27 	memcpy(to, from, PAGE_SIZE);
28 }
29 #endif	/* !__ASSEMBLY__ */
30 
31 #endif /* _ASM_X86_PAGE_32_H */
32