Subversion Repositories HelenOS

Rev

Rev 3489 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3489 Rev 3862
Line 33... Line 33...
33 
 */
 33 
 */
34 
 
 34 
 
35 
#ifndef KERN_sparc64_FRAME_H_
 35 
#ifndef KERN_sparc64_FRAME_H_
36 
#define KERN_sparc64_FRAME_H_
 36 
#define KERN_sparc64_FRAME_H_
37 
 
 37 
 
38 
/*
 - 
 
39 
 * Page size supported by the MMU.
 - 
 
40 
 * For 8K there is the nasty illegal virtual aliasing problem.
 - 
 
41 
 * Therefore, the kernel uses 8K only internally on the TLB and TSB levels.
 - 
 
42 
 */
 - 
 
43 
#define MMU_FRAME_WIDTH     13  /* 8K */
 - 
 
44 
#define MMU_FRAME_SIZE      (1 << MMU_FRAME_WIDTH)
 - 
 
45 
 
 - 
 
46 
/*
 - 
 
47 
 * Page size exported to the generic memory management subsystems.
 - 
 
48 
 * This page size is not directly supported by the MMU, but we can emulate
 - 
 
49 
 * each 16K page with a pair of adjacent 8K pages.
 - 
 
50 
 */
 - 
 
51 
#define FRAME_WIDTH     14  /* 16K */
 - 
 
52 
#define FRAME_SIZE      (1 << FRAME_WIDTH)
 - 
 
53 
 
 - 
 
54 
#ifdef KERNEL
 38 
#if defined (SUN4U)
55 
#ifndef __ASM__
 - 
 
56 
 
 - 
 
57 
#include <arch/types.h>
 39 
#include <arch/mm/sun4u/frame.h>
58 
 
 - 
 
59 
union frame_address {
 - 
 
60 
    uintptr_t address;
 - 
 
61 
    struct {
 - 
 
62 
#if defined (US)
 - 
 
63 
        unsigned : 23;
 - 
 
64 
        uint64_t pfn : 28;      /**< Physical Frame Number. */
 - 
 
65 
#elif defined (US3)
 40 
#elif defined (SUN4V)
66 
        unsigned : 21;
 - 
 
67 
        uint64_t pfn : 30;      /**< Physical Frame Number. */
 - 
 
68 
#endif
 - 
 
69 
        unsigned offset : 13;       /**< Offset. */
 - 
 
70 
    } __attribute__ ((packed));
 - 
 
71 
};
 - 
 
72 
 
 - 
 
73 
typedef union frame_address frame_address_t;
 - 
 
74 
 
 - 
 
75 
extern uintptr_t last_frame;
 41 
#include <arch/mm/sun4v/frame.h>
76 
extern void frame_arch_init(void);
 - 
 
77 
#define physmem_print()
 - 
 
78 
 
 - 
 
79 
#endif
 - 
 
80 
#endif
 42 
#endif
81 
 
 43 
 
82 
#endif
 44 
#endif
83 
 
 45 
 
84 
/** @}
 46 
/** @}