blob: 4ed88acfa73a20f956f2287ba9f226491387201e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Paul Mackerrasa23414b2005-11-10 12:00:55 +110022int call_prom(const char *service, int nargs, int nret, ...);
23int call_prom_ret(const char *service, int nargs, int nret,
24 unsigned int *rets, ...);
Linus Torvalds1da177e2005-04-16 15:20:36 -070025void * 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}