1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4 */ 5 6 #ifndef __MEM_H__ 7 #define __MEM_H__ 8 9 extern int phys_mapping(unsigned long phys, unsigned long long *offset_out); 10 11 extern unsigned long uml_physmem; 12 static inline unsigned long uml_to_phys(void *virt) 13 { 14 return(((unsigned long) virt) - uml_physmem); 15 } 16 17 static inline void *uml_to_virt(unsigned long phys) 18 { 19 return((void *) uml_physmem + phys); 20 } 21 22 #endif 23