Changeset b3f8fb7 in mainline for kernel/genarch/include/mm/as_pt.h
- Timestamp:
- 2007-01-28T13:25:49Z (18 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 8e8c1a5
- Parents:
- 1ba41c5
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/genarch/include/mm/as_pt.h
r1ba41c5 rb3f8fb7 36 36 #define KERN_AS_PT_H_ 37 37 38 #include <mm/as.h> 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 43 40 extern as_operations_t as_pt_operations; 44 #define AS_PAGE_TABLE 45 46 /** Address space structure. 47 * 48 * as_t contains the list of as_areas of userspace accessible 49 * pages for one or more tasks. Ranges of kernel memory pages are not 50 * supposed to figure in the list as they are shared by all tasks and 51 * set up during system initialization. 52 */ 53 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 /** Page table pointer. */ 69 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; 41 77 42 78 #endif
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