linux_old1/arch/mn10300/kernel/io.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);