1/*
2 * Copyright (C) Paul Mackerras 1997.
3 * Copyright (C) Leigh Brown 2002.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10
11typedef void *prom_handle;
12typedef void *ihandle;
13typedef void *phandle;
14typedef int (*prom_entry)(void *);
15
16#define OF_INVALID_HANDLE	((prom_handle)-1UL)
17
18extern prom_entry of_prom_entry;
19
20/* function declarations */
21
22int	call_prom(const char *service, int nargs, int nret, ...);
23int	call_prom_ret(const char *service, int nargs, int nret,
24		      unsigned int *rets, ...);
25void *	claim(unsigned int virt, unsigned int size, unsigned int align);
26int	map(unsigned int phys, unsigned int virt, unsigned int size);
27void	enter(void);
28void	exit(void);
29phandle	finddevice(const char *name);
30int	getprop(phandle node, const char *name, void *buf, int buflen);
31void	ofinit(prom_entry entry);
32int	ofstdio(ihandle *stdin, ihandle *stdout, ihandle *stderr);
33int	read(ihandle instance, void *buf, int buflen);
34void	release(void *virt, unsigned int size);
35int	write(ihandle instance, void *buf, int buflen);
36
37/* inlines */
38
39extern inline void pause(void)
40{
41	enter();
42}
43