blob: 0cde22fd339118ff1fa67a4d60f0f6c2afa4f1fb (
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
|
#ifndef _M68K_IO_H
#define _M68K_IO_H
static inline unsigned char get_user_byte_io(const char * addr)
{
register unsigned char _v;
__asm__ __volatile__ ("moveb %1,%0":"=r" (_v):"m" (*addr));
return _v;
}
#define inb_p(addr) get_user_byte_io((char *)(addr))
#define inb(addr) get_user_byte_io((char *)(addr))
static inline void put_user_byte_io(char val,char *addr)
{
__asm__ __volatile__ ("moveb %0,%1"
: /* no outputs */
:"r" (val),"m" (*addr)
: "memory");
}
#define outb_p(x,addr) put_user_byte_io((x),(char *)(addr))
#define outb(x,addr) put_user_byte_io((x),(char *)(addr))
#endif /* _M68K_IO_H */
|
