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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
*
* (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
* Copyright (c) 2005, Keir A Fraser
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _MM_H_
#define _MM_H_
#if defined(__i386__)
#include <xen/arch-x86_32.h>
#elif defined(__x86_64__)
#include <xen/arch-x86_64.h>
#elif defined(__ia64__)
#include <xen/arch-ia64.h>
#else
#error "Unsupported architecture"
#endif
#include <lib.h>
#include <arch_mm.h>
void init_mm(void);
unsigned long alloc_pages(int order);
#define alloc_page() alloc_pages(0)
void free_pages(void *pointer, int order);
static __inline__ int get_order(unsigned long size)
{
int order;
size = (size-1) >> PAGE_SHIFT;
for ( order = 0; size; order++ )
size >>= 1;
return order;
}
void arch_init_demand_mapping_area(unsigned long max_pfn);
void arch_init_mm(unsigned long* start_pfn_p, unsigned long* max_pfn_p);
void *map_frames(unsigned long *f, unsigned long n);
#endif /* _MM_H_ */
|