blob: 9ac6a5f00dd7927f68df88601b205c0557b7e073 (
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
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* Copyright (c) 2011 The Chromium OS Authors.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __SANDBOX_ASM_IO_H
#define __SANDBOX_ASM_IO_H
/*
* Given a physical address and a length, return a virtual address
* that can be used to access the memory range with the caching
* properties specified by "flags".
*/
#define MAP_NOCACHE (0)
#define MAP_WRCOMBINE (0)
#define MAP_WRBACK (0)
#define MAP_WRTHROUGH (0)
void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags);
/*
* Take down a mapping set up by map_physmem().
*/
static inline void unmap_physmem(void *vaddr, unsigned long flags)
{
}
/* For sandbox, we want addresses to point into our RAM buffer */
static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
{
return map_physmem(paddr, len, MAP_WRBACK);
}
static inline void unmap_sysmem(const void *vaddr)
{
}
/* Map from a pointer to our RAM buffer */
phys_addr_t map_to_sysmem(void *ptr);
#endif
|
