| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 1 | /* MN10300 Misaligned multibyte-word I/O |
| 2 | * |
| 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| 4 | * Written by David Howells (dhowells@redhat.com) |
| 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); |