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#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":"=dm" (_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 */

                              :"idm" (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))

/*

 * Change virtual addresses to physical addresses and vv.

 * These are trivial on the 1:1 Linux/i386 mapping (but if we ever

 * make the kernel segment mapped at 0, we need to do translation

 * on the i386 as well)

 */

extern unsigned long mm_vtop(unsigned long addr);

extern unsigned long mm_ptov(unsigned long addr);

extern inline unsigned long virt_to_phys(volatile void * address)

{

        return (unsigned long) mm_vtop((unsigned long)address);

}

extern inline void * phys_to_virt(unsigned long address)

{

        return (void *) mm_ptov(address);

}

/*

 * IO bus memory addresses are also 1:1 with the physical address

 */

#define virt_to_bus virt_to_phys

#define bus_to_virt phys_to_virt

#endif /* _M68K_IO_H */