40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/*
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* Copyright (C) 2002, 2003 Jeff Dike (jdike@addtoit.com)
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* Licensed under the GPL
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*/
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#ifndef __MEM_H__
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#define __MEM_H__
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#include "linux/types.h"
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extern int phys_mapping(unsigned long phys, __u64 *offset_out);
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extern int physmem_subst_mapping(void *virt, int fd, __u64 offset, int w);
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extern int is_remapped(void *virt);
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extern int physmem_remove_mapping(void *virt);
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extern void physmem_forget_descriptor(int fd);
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extern unsigned long uml_physmem;
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static inline unsigned long to_phys(void *virt)
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{
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return(((unsigned long) virt) - uml_physmem);
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}
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static inline void *to_virt(unsigned long phys)
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{
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return((void *) uml_physmem + phys);
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}
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#endif
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/*
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* Overrides for Emacs so that we follow Linus's tabbing style.
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* Emacs will notice this stuff at the end of the file and automatically
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* adjust the settings for this buffer only. This must remain at the end
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* of the file.
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* ---------------------------------------------------------------------------
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* Local variables:
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* c-file-style: "linux"
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* End:
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*/
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