31 lines
794 B
C
31 lines
794 B
C
|
/* MN10300 Misaligned multibyte-word I/O
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public Licence
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the Licence, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/string.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* output data from a potentially misaligned buffer
|
||
|
|
*/
|
||
|
|
void __outsl(unsigned long addr, const void *buffer, int count)
|
||
|
|
{
|
||
|
|
const unsigned char *buf = buffer;
|
||
|
|
unsigned long val;
|
||
|
|
|
||
|
|
while (count--) {
|
||
|
|
memcpy(&val, buf, 4);
|
||
|
|
outl(val, addr);
|
||
|
|
buf += 4;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL(__outsl);
|