Subversion Repositories HelenOS

Rev

Rev 3343 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3343 Rev 3862
Line 33... Line 33...
33
 */
33
 */
34
 
34
 
35
#ifndef KERN_sparc64_PAGE_H_
35
#ifndef KERN_sparc64_PAGE_H_
36
#define KERN_sparc64_PAGE_H_
36
#define KERN_sparc64_PAGE_H_
37
 
37
 
38
#include <arch/mm/frame.h>
-
 
39
 
-
 
40
/*
-
 
41
 * On the TLB and TSB level, we still use 8K pages, which are supported by the
-
 
42
 * MMU.
-
 
43
 */
-
 
44
#define MMU_PAGE_WIDTH  MMU_FRAME_WIDTH
-
 
45
#define MMU_PAGE_SIZE   MMU_FRAME_SIZE
-
 
46
 
-
 
47
/*
-
 
48
 * On the page table level, we use 16K pages. 16K pages are not supported by
-
 
49
 * the MMU but we emulate them with pairs of 8K pages.
-
 
50
 */
-
 
51
#define PAGE_WIDTH  FRAME_WIDTH
-
 
52
#define PAGE_SIZE   FRAME_SIZE
-
 
53
 
-
 
54
#define MMU_PAGES_PER_PAGE  (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH))
-
 
55
 
-
 
56
#ifdef KERNEL
-
 
57
 
-
 
58
#ifndef __ASM__
38
#if defined(SUN4U)
59
 
-
 
60
#include <arch/interrupt.h>
39
#include <arch/mm/sun4u/page.h>
61
 
-
 
62
extern uintptr_t physmem_base;
-
 
63
 
-
 
64
#define KA2PA(x)    (((uintptr_t) (x)) + physmem_base)
-
 
65
#define PA2KA(x)    (((uintptr_t) (x)) - physmem_base)
-
 
66
 
-
 
67
typedef union {
40
#elif defined (SUN4V)
68
    uintptr_t address;
-
 
69
    struct {
-
 
70
        uint64_t vpn : 51;      /**< Virtual Page Number. */
-
 
71
        unsigned offset : 13;       /**< Offset. */
-
 
72
    } __attribute__ ((packed));
-
 
73
} page_address_t;
-
 
74
 
-
 
75
extern void page_arch_init(void);
41
#include <arch/mm/sun4v/page.h>
76
 
-
 
77
#endif /* !def __ASM__ */
-
 
78
 
-
 
79
#endif /* KERNEL */
42
#endif
80
 
43
 
81
#endif
44
#endif
82
 
45
 
83
/** @}
46
/** @}
84
 */
47
 */