blob: 122813649fce0e5e631b3582b362f7d94fc5e166 [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
11#include "of1275.h"
12
13int
14read(ihandle instance, void *buf, int buflen)
15{
16 struct prom_args {
17 char *service;
18 int nargs;
19 int nret;
20 ihandle instance;
21 void *buf;
22 int buflen;
23 int actual;
24 } args;
25
26 args.service = "read";
27 args.nargs = 3;
28 args.nret = 1;
29 args.instance = instance;
30 args.buf = buf;
31 args.buflen = buflen;
32 args.actual = -1;
33 (*of_prom_entry)(&args);
34 return args.actual;
35}