blob: 90674056dcef4592fd65ab25375531884a2f6e4a (
plain) (
blame)
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
32
33
34
35
36
|
#ifndef __UM_IO_H
#define __UM_IO_H
#include "asm/page.h"
#define IO_SPACE_LIMIT 0xdeadbeef /* Sure hope nothing uses this */
static inline int inb(unsigned long i) { return(0); }
static inline void outb(char c, unsigned long i) { }
/*
* Change virtual addresses to physical addresses and vv.
* These are pretty trivial
*/
static inline unsigned long virt_to_phys(volatile void * address)
{
return __pa((void *) address);
}
static inline void * phys_to_virt(unsigned long address)
{
return __va(address);
}
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#define xlate_dev_mem_ptr(p) __va(p)
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p
#endif
|