WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/include/mm/as.h



    void *backend_data[2];  /**< Data to be used by the backend. */
};
 
/** Address space area backend structure. */
struct mem_backend {
    int (* backend_page_fault)(as_area_t *area, __address addr, pf_access_t access);
    void (* backend_frame_free)(as_area_t *area, __address page, __address frame);
};
 
extern as_t *AS_KERNEL;
extern as_operations_t *as_operations;

    mem_backend_t *backend, void **backend_data);
extern int as_area_resize(as_t *as, __address address, size_t size, int flags);
extern int as_area_destroy(as_t *as, __address address);
extern int as_area_get_flags(as_area_t *area);
extern void as_set_mapping(as_t *as, __address page, __address frame);
extern int as_page_fault(__address page, pf_access_t access, istate_t *istate);
extern void as_switch(as_t *old, as_t *new);
extern void as_free(as_t *as);
extern int as_area_steal(task_t *src_task, __address src_base, size_t acc_size, __address dst_base);
extern size_t as_get_size(__address base);
extern int used_space_insert(as_area_t *a, __address page, count_t count);

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/include/mm/as.h – Rev 1409 → 1411

Rev 1409		Rev 1411
Line 125...		Line 125...
125	void backend_data[2]; /< Data to be used by the backend. /	125	void backend_data[2]; /< Data to be used by the backend. /
126	};	126	};
127		127
128	/** Address space area backend structure. */	128	/** Address space area backend structure. */
129	struct mem_backend {	129	struct mem_backend {
130	int (* backend_page_fault)(as_area_t *area, __address addr);	130	int (* backend_page_fault)(as_area_t *area, __address addr, pf_access_t access);
131	void (* backend_frame_free)(as_area_t *area, __address page, __address frame);	131	void (* backend_frame_free)(as_area_t *area, __address page, __address frame);
132	};	132	};
133		133
134	extern as_t *AS_KERNEL;	134	extern as_t *AS_KERNEL;
135	extern as_operations_t *as_operations;	135	extern as_operations_t *as_operations;
Line 143...		Line 143...
143	mem_backend_t backend, void *backend_data);	143	mem_backend_t backend, void *backend_data);
144	extern int as_area_resize(as_t *as, __address address, size_t size, int flags);	144	extern int as_area_resize(as_t *as, __address address, size_t size, int flags);
145	extern int as_area_destroy(as_t *as, __address address);	145	extern int as_area_destroy(as_t *as, __address address);
146	extern int as_area_get_flags(as_area_t *area);	146	extern int as_area_get_flags(as_area_t *area);
147	extern void as_set_mapping(as_t *as, __address page, __address frame);	147	extern void as_set_mapping(as_t *as, __address page, __address frame);
148	extern int as_page_fault(__address page, istate_t *istate);	148	extern int as_page_fault(__address page, pf_access_t access, istate_t *istate);
149	extern void as_switch(as_t old, as_t new);	149	extern void as_switch(as_t old, as_t new);
150	extern void as_free(as_t *as);	150	extern void as_free(as_t *as);
151	extern int as_area_steal(task_t *src_task, __address src_base, size_t acc_size, __address dst_base);	151	extern int as_area_steal(task_t *src_task, __address src_base, size_t acc_size, __address dst_base);
152	extern size_t as_get_size(__address base);	152	extern size_t as_get_size(__address base);
153	extern int used_space_insert(as_area_t *a, __address page, count_t count);	153	extern int used_space_insert(as_area_t *a, __address page, count_t count);