Changeset 80bcaed in mainline for kernel/genarch/include/mm/as_pt.h
- Timestamp:
- 2007-02-03T13:22:24Z (18 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- f619ec11
- Parents:
- fa8e7d2
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/genarch/include/mm/as_pt.h
rfa8e7d2 r80bcaed 37 37 38 38 #include <mm/mm.h> 39 #include <arch/mm/asid.h> 40 #include <adt/list.h> 41 #include <adt/btree.h> 42 #include <synch/mutex.h> 39 #include <arch/types.h> 43 40 44 41 #define AS_PAGE_TABLE 45 42 46 /** Address space structure.47 *48 * as_t contains the list of as_areas of userspace accessible49 * pages for one or more tasks. Ranges of kernel memory pages are not50 * supposed to figure in the list as they are shared by all tasks and51 * set up during system initialization.52 */53 43 typedef struct { 54 /** Protected by asidlock. */55 link_t inactive_as_with_asid_link;56 57 mutex_t lock;58 59 /** Number of references (i.e tasks that reference this as). */60 count_t refcount;61 62 /** Number of processors on wich is this address space active. */63 count_t cpu_refcount;64 65 /** B+tree of address space areas. */66 btree_t as_area_btree;67 68 44 /** Page table pointer. */ 69 45 pte_t *page_table; 70 71 /** Address space identifier. Constant on architectures that do not support ASIDs.*/ 72 asid_t asid; 73 74 /** Architecture specific content. */ 75 as_arch_t arch; 76 } as_t; 46 } as_genarch_t; 77 47 78 48 #endif
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