Subversion Repositories HelenOS-historic

Rev

Rev 755 | Rev 778 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 755 Rev 756
Line 78... Line 78...
78 
    /** Protected by asidlock. Must be acquired before as->lock. */
 78 
    /** Protected by asidlock. Must be acquired before as->lock. */
79 
    link_t as_with_asid_link;
 79 
    link_t as_with_asid_link;
80 
 
 80 
 
81 
    SPINLOCK_DECLARE(lock);
 81 
    SPINLOCK_DECLARE(lock);
82 
    link_t as_area_head;
 82 
    link_t as_area_head;
- 
 
 83 
 
- 
 
 84 
    /** Page table pointer. Constant on architectures that use global page hash table. */
83 
    pte_t *ptl0;
 85 
    pte_t *page_table;
- 
 
 86 
 
- 
 
 87 
    /** Address space identifier. Constant on architectures that do not support ASIDs.*/
- 
 
 88 
    asid_t asid;
- 
 
 89 
};
- 
 
 90 
 
- 
 
 91 
struct as_operations {
84 
    asid_t asid;            /**< Address space identifier. */
 92 
    pte_t *(* page_table_create)(int flags);
85 
};
 93 
};
- 
 
 94 
typedef struct as_operations as_operations_t;
86 
 
 95 
 
87 
extern as_t *AS_KERNEL;
 96 
extern as_t *AS_KERNEL;
- 
 
 97 
extern as_operations_t *as_operations;
88 
 
 98 
 
- 
 
 99 
extern void as_init(void);
89 
extern as_t *as_create(pte_t *ptl0, int flags);
 100 
extern as_t *as_create(int flags);
90 
extern as_area_t *as_area_create(as_t *as, as_area_type_t type, size_t size, __address base);
 101 
extern as_area_t *as_area_create(as_t *as, as_area_type_t type, size_t size, __address base);
91 
extern void as_set_mapping(as_t *as, __address page, __address frame);
 102 
extern void as_set_mapping(as_t *as, __address page, __address frame);
92 
extern int as_page_fault(__address page);
 103 
extern int as_page_fault(__address page);
93 
extern void as_install(as_t *m);
 104 
extern void as_install(as_t *m);
94 
 
 105