diff options
Diffstat (limited to 'kernel/arch/um/include/shared/mem.h')
| -rw-r--r-- | kernel/arch/um/include/shared/mem.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/arch/um/include/shared/mem.h b/kernel/arch/um/include/shared/mem.h new file mode 100644 index 000000000..5cd40e99e --- /dev/null +++ b/kernel/arch/um/include/shared/mem.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __MEM_H__ +#define __MEM_H__ + +extern int phys_mapping(unsigned long phys, unsigned long long *offset_out); + +extern unsigned long uml_physmem; +static inline unsigned long to_phys(void *virt) +{ + return(((unsigned long) virt) - uml_physmem); +} + +static inline void *to_virt(unsigned long phys) +{ + return((void *) uml_physmem + phys); +} + +#endif |