OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [include/] [asm-alpha/] [page.h] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 199 simons
#ifndef _ALPHA_PAGE_H
2
#define _ALPHA_PAGE_H
3
 
4
/* PAGE_SHIFT determines the page size */
5
#define PAGE_SHIFT      13
6
#define PAGE_SIZE       (1UL << PAGE_SHIFT)
7
#define PAGE_MASK       (~(PAGE_SIZE-1))
8
 
9
#ifdef __KERNEL__
10
 
11
#define STRICT_MM_TYPECHECKS
12
 
13
#ifdef STRICT_MM_TYPECHECKS
14
/*
15
 * These are used to make use of C type-checking..
16
 */
17
typedef struct { unsigned long pte; } pte_t;
18
typedef struct { unsigned long pmd; } pmd_t;
19
typedef struct { unsigned long pgd; } pgd_t;
20
typedef struct { unsigned long pgprot; } pgprot_t;
21
 
22
#define pte_val(x)      ((x).pte)
23
#define pmd_val(x)      ((x).pmd)
24
#define pgd_val(x)      ((x).pgd)
25
#define pgprot_val(x)   ((x).pgprot)
26
 
27
#define __pte(x)        ((pte_t) { (x) } )
28
#define __pgd(x)        ((pgd_t) { (x) } )
29
#define __pgprot(x)     ((pgprot_t) { (x) } )
30
 
31
#else
32
/*
33
 * .. while these make it easier on the compiler
34
 */
35
typedef unsigned long pte_t;
36
typedef unsigned long pmd_t;
37
typedef unsigned long pgd_t;
38
typedef unsigned long pgprot_t;
39
 
40
#define pte_val(x)      (x)
41
#define pmd_val(x)      (x)
42
#define pgd_val(x)      (x)
43
#define pgprot_val(x)   (x)
44
 
45
#define __pte(x)        (x)
46
#define __pgd(x)        (x)
47
#define __pgprot(x)     (x)
48
 
49
#endif
50
 
51
/* to align the pointer to the (next) page boundary */
52
#define PAGE_ALIGN(addr)                (((addr)+PAGE_SIZE-1)&PAGE_MASK)
53
 
54
#define PAGE_OFFSET             0xFFFFFC0000000000UL
55
#define MAP_NR(addr)            ((((unsigned long) (addr)) - PAGE_OFFSET) >> PAGE_SHIFT)
56
 
57
#endif /* __KERNEL__ */
58
 
59
#endif /* _ALPHA_PAGE_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.