blob: 5095693e46ceb25235053373d8199691602576d3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _M68KNOMMU_IO_H
#define _M68KNOMMU_IO_H
/*
* The non-MMU m68k and ColdFire IO and memory mapped hardware access
* functions have always worked in CPU native endian. We need to define
* that behavior here first before we include asm-generic/io.h.
*/
#define __raw_readb(addr) \
({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
#define __raw_readw(addr) \
({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
#define __raw_readl(addr) \
({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; })
#define __raw_writeb(b, addr) (void)((*(volatile unsigned char *) (addr)) = (b))
#define __raw_writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
#define __raw_writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
#define readb __raw_readb
#define readw __raw_readw
#define readl __raw_readl
#define writeb __raw_writeb
#define writew __raw_writew
#define writel __raw_writel
#include <asm/virtconvert.h>
#include <asm-generic/io.h>
#endif /* _M68KNOMMU_IO_H */
|