Linux Kernel  3.7.1
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io.c
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1 /* MN10300 Misaligned multibyte-word I/O
2  *
3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells ([email protected])
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public Licence
8  * as published by the Free Software Foundation; either version
9  * 2 of the Licence, or (at your option) any later version.
10  */
11 #include <linux/module.h>
12 #include <linux/string.h>
13 #include <linux/kernel.h>
14 #include <asm/io.h>
15 
16 /*
17  * output data from a potentially misaligned buffer
18  */
19 void __outsl(unsigned long addr, const void *buffer, int count)
20 {
21  const unsigned char *buf = buffer;
22  unsigned long val;
23 
24  while (count--) {
25  memcpy(&val, buf, 4);
26  outl(val, addr);
27  buf += 4;
28  }
29 }
30 EXPORT_SYMBOL(__outsl);