/trunk/kernel/genarch/include/mm/as_ht.h |
---|
35,10 → 35,56 |
#ifndef KERN_AS_HT_H_ |
#define KERN_AS_HT_H_ |
#include <mm/as.h> |
#include <mm/mm.h> |
#include <arch/mm/asid.h> |
#include <adt/list.h> |
#include <adt/btree.h> |
#include <synch/mutex.h> |
extern as_operations_t as_ht_operations; |
/** Address space structure. |
* |
* as_t contains the list of as_areas of userspace accessible |
* pages for one or more tasks. Ranges of kernel memory pages are not |
* supposed to figure in the list as they are shared by all tasks and |
* set up during system initialization. |
*/ |
typedef struct { |
/** Protected by asidlock. */ |
link_t inactive_as_with_asid_link; |
mutex_t lock; |
/** Number of references (i.e tasks that reference this as). */ |
count_t refcount; |
/** Number of processors on wich is this address space active. */ |
count_t cpu_refcount; |
/** B+tree of address space areas. */ |
btree_t as_area_btree; |
/** Address space identifier. Constant on architectures that do not support ASIDs.*/ |
asid_t asid; |
/** Architecture specific content. */ |
as_arch_t arch; |
} as_t; |
typedef struct { |
link_t link; /**< Page hash table link. */ |
as_t *as; /**< Address space. */ |
uintptr_t page; /**< Virtual memory page. */ |
uintptr_t frame; /**< Physical memory frame. */ |
unsigned g : 1; /**< Global page. */ |
unsigned x : 1; /**< Execute. */ |
unsigned w : 1; /**< Writable. */ |
unsigned k : 1; /**< Kernel privileges required. */ |
unsigned c : 1; /**< Cacheable. */ |
unsigned a : 1; /**< Accessed. */ |
unsigned d : 1; /**< Dirty. */ |
unsigned p : 1; /**< Present. */ |
} pte_t; |
#endif |
/** @} |
/trunk/kernel/genarch/include/mm/page_pt.h |
---|
44,7 → 44,7 |
#define KERN_PAGE_PT_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <mm/as.h> |
#include <mm/page.h> |
/* |
107,6 → 107,7 |
#define PTE_WRITABLE(p) PTE_WRITABLE_ARCH((p)) |
#define PTE_EXECUTABLE(p) PTE_EXECUTABLE_ARCH((p)) |
extern as_operations_t as_pt_operations; |
extern page_mapping_operations_t pt_mapping_operations; |
extern void page_mapping_insert_pt(as_t *as, uintptr_t page, uintptr_t frame, int flags); |
/trunk/kernel/genarch/include/mm/as_pt.h |
---|
35,10 → 35,46 |
#ifndef KERN_AS_PT_H_ |
#define KERN_AS_PT_H_ |
#include <mm/as.h> |
#include <mm/mm.h> |
#include <arch/mm/asid.h> |
#include <adt/list.h> |
#include <adt/btree.h> |
#include <synch/mutex.h> |
extern as_operations_t as_pt_operations; |
#define AS_PAGE_TABLE |
/** Address space structure. |
* |
* as_t contains the list of as_areas of userspace accessible |
* pages for one or more tasks. Ranges of kernel memory pages are not |
* supposed to figure in the list as they are shared by all tasks and |
* set up during system initialization. |
*/ |
typedef struct { |
/** Protected by asidlock. */ |
link_t inactive_as_with_asid_link; |
mutex_t lock; |
/** Number of references (i.e tasks that reference this as). */ |
count_t refcount; |
/** Number of processors on wich is this address space active. */ |
count_t cpu_refcount; |
/** B+tree of address space areas. */ |
btree_t as_area_btree; |
/** Page table pointer. */ |
pte_t *page_table; |
/** Address space identifier. Constant on architectures that do not support ASIDs.*/ |
asid_t asid; |
/** Architecture specific content. */ |
as_arch_t arch; |
} as_t; |
#endif |
/** @} |
/trunk/kernel/genarch/include/mm/page_ht.h |
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39,10 → 39,10 |
#ifndef KERN_PAGE_HT_H_ |
#define KERN_PAGE_HT_H_ |
#include <arch/types.h> |
#include <mm/as.h> |
#include <mm/page.h> |
#include <synch/mutex.h> |
#include <arch/types.h> |
#include <adt/list.h> |
#include <adt/hash_table.h> |
#define PAGE_HT_KEYS 2 |
61,22 → 61,9 |
#define SET_PTL0_ADDRESS(x) |
struct pte { |
link_t link; /**< Page hash table link. */ |
as_t *as; /**< Address space. */ |
uintptr_t page; /**< Virtual memory page. */ |
uintptr_t frame; /**< Physical memory frame. */ |
unsigned g : 1; /**< Global page. */ |
unsigned x : 1; /**< Execute. */ |
unsigned w : 1; /**< Writable. */ |
unsigned k : 1; /**< Kernel privileges required. */ |
unsigned c : 1; /**< Cacheable. */ |
unsigned a : 1; /**< Accessed. */ |
unsigned d : 1; /**< Dirty. */ |
unsigned p : 1; /**< Present. */ |
}; |
extern as_operations_t as_ht_operations; |
extern page_mapping_operations_t ht_mapping_operations; |
extern page_mapping_operations_t ht_mapping_operations; |
extern mutex_t page_ht_lock; |
extern hash_table_t page_ht; |
extern hash_table_operations_t ht_operations; |