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1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup genericmm |
29 | /** @addtogroup genericmm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_AS_H_ |
35 | #ifndef KERN_AS_H_ |
36 | #define KERN_AS_H_ |
36 | #define KERN_AS_H_ |
37 | 37 | ||
38 | /** Address space area flags. */ |
38 | /** Address space area flags. */ |
39 | #define AS_AREA_READ 1 |
39 | #define AS_AREA_READ 1 |
40 | #define AS_AREA_WRITE 2 |
40 | #define AS_AREA_WRITE 2 |
41 | #define AS_AREA_EXEC 4 |
41 | #define AS_AREA_EXEC 4 |
42 | #define AS_AREA_CACHEABLE 8 |
42 | #define AS_AREA_CACHEABLE 8 |
43 | 43 | ||
44 | #ifdef KERNEL |
44 | #ifdef KERNEL |
45 | 45 | ||
46 | #include <arch/mm/page.h> |
46 | #include <arch/mm/page.h> |
47 | #include <arch/mm/as.h> |
47 | #include <arch/mm/as.h> |
48 | #include <arch/mm/asid.h> |
48 | #include <arch/mm/asid.h> |
49 | #include <arch/types.h> |
49 | #include <arch/types.h> |
50 | #include <synch/spinlock.h> |
50 | #include <synch/spinlock.h> |
51 | #include <synch/mutex.h> |
51 | #include <synch/mutex.h> |
52 | #include <adt/list.h> |
52 | #include <adt/list.h> |
53 | #include <adt/btree.h> |
53 | #include <adt/btree.h> |
54 | #include <lib/elf.h> |
54 | #include <lib/elf.h> |
55 | 55 | ||
56 | /** |
56 | /** |
57 | * Defined to be true if user address space and kernel address space shadow each |
57 | * Defined to be true if user address space and kernel address space shadow each |
58 | * other. |
58 | * other. |
59 | */ |
59 | */ |
60 | #define KERNEL_ADDRESS_SPACE_SHADOWED KERNEL_ADDRESS_SPACE_SHADOWED_ARCH |
60 | #define KERNEL_ADDRESS_SPACE_SHADOWED KERNEL_ADDRESS_SPACE_SHADOWED_ARCH |
61 | 61 | ||
62 | #define KERNEL_ADDRESS_SPACE_START KERNEL_ADDRESS_SPACE_START_ARCH |
62 | #define KERNEL_ADDRESS_SPACE_START KERNEL_ADDRESS_SPACE_START_ARCH |
63 | #define KERNEL_ADDRESS_SPACE_END KERNEL_ADDRESS_SPACE_END_ARCH |
63 | #define KERNEL_ADDRESS_SPACE_END KERNEL_ADDRESS_SPACE_END_ARCH |
64 | #define USER_ADDRESS_SPACE_START USER_ADDRESS_SPACE_START_ARCH |
64 | #define USER_ADDRESS_SPACE_START USER_ADDRESS_SPACE_START_ARCH |
65 | #define USER_ADDRESS_SPACE_END USER_ADDRESS_SPACE_END_ARCH |
65 | #define USER_ADDRESS_SPACE_END USER_ADDRESS_SPACE_END_ARCH |
66 | 66 | ||
67 | #define USTACK_ADDRESS USTACK_ADDRESS_ARCH |
67 | #define USTACK_ADDRESS USTACK_ADDRESS_ARCH |
68 | 68 | ||
69 | /** Kernel address space. */ |
69 | /** Kernel address space. */ |
70 | #define FLAG_AS_KERNEL (1 << 0) |
70 | #define FLAG_AS_KERNEL (1 << 0) |
71 | 71 | ||
72 | /* Address space area attributes. */ |
72 | /* Address space area attributes. */ |
73 | #define AS_AREA_ATTR_NONE 0 |
73 | #define AS_AREA_ATTR_NONE 0 |
74 | #define AS_AREA_ATTR_PARTIAL 1 /**< Not fully initialized area. */ |
74 | #define AS_AREA_ATTR_PARTIAL 1 /**< Not fully initialized area. */ |
75 | 75 | ||
76 | /** The page fault was not resolved by as_page_fault(). */ |
76 | /** The page fault was not resolved by as_page_fault(). */ |
77 | #define AS_PF_FAULT 0 |
77 | #define AS_PF_FAULT 0 |
78 | /** The page fault was resolved by as_page_fault(). */ |
78 | /** The page fault was resolved by as_page_fault(). */ |
79 | #define AS_PF_OK 1 |
79 | #define AS_PF_OK 1 |
80 | /** The page fault was caused by memcpy_from_uspace() or memcpy_to_uspace(). */ |
80 | /** The page fault was caused by memcpy_from_uspace() or memcpy_to_uspace(). */ |
81 | #define AS_PF_DEFER 2 |
81 | #define AS_PF_DEFER 2 |
82 | 82 | ||
- | 83 | #ifdef __OBJC__ |
|
- | 84 | @interface as_t { |
|
- | 85 | @public |
|
- | 86 | /** Protected by asidlock. */ |
|
- | 87 | link_t inactive_as_with_asid_link; |
|
- | 88 | ||
- | 89 | mutex_t lock; |
|
- | 90 | ||
- | 91 | /** Number of references (i.e tasks that reference this as). */ |
|
- | 92 | count_t refcount; |
|
- | 93 | ||
- | 94 | /** Number of processors on wich is this address space active. */ |
|
- | 95 | count_t cpu_refcount; |
|
- | 96 | ||
- | 97 | /** B+tree of address space areas. */ |
|
- | 98 | btree_t as_area_btree; |
|
- | 99 | ||
- | 100 | /** |
|
- | 101 | * Address space identifier. |
|
- | 102 | * Constant on architectures that do not support ASIDs. |
|
- | 103 | */ |
|
- | 104 | asid_t asid; |
|
- | 105 | ||
- | 106 | /** Non-generic content. */ |
|
- | 107 | as_genarch_t genarch; |
|
- | 108 | ||
- | 109 | /** Architecture specific content. */ |
|
- | 110 | as_arch_t arch; |
|
- | 111 | } |
|
- | 112 | + (pte_t *) page_table_create: (int) flags; |
|
- | 113 | + (void) page_table_destroy: (pte_t *) page_table; |
|
- | 114 | - (void) page_table_lock: (bool) _lock; |
|
- | 115 | - (void) page_table_unlock: (bool) unlock; |
|
- | 116 | @end |
|
- | 117 | ||
- | 118 | #else |
|
- | 119 | ||
83 | /** Address space structure. |
120 | /** Address space structure. |
84 | * |
121 | * |
85 | * as_t contains the list of as_areas of userspace accessible |
122 | * as_t contains the list of as_areas of userspace accessible |
86 | * pages for one or more tasks. Ranges of kernel memory pages are not |
123 | * pages for one or more tasks. Ranges of kernel memory pages are not |
87 | * supposed to figure in the list as they are shared by all tasks and |
124 | * supposed to figure in the list as they are shared by all tasks and |
88 | * set up during system initialization. |
125 | * set up during system initialization. |
89 | */ |
126 | */ |
90 | typedef struct as { |
127 | typedef struct as { |
91 | /** Protected by asidlock. */ |
128 | /** Protected by asidlock. */ |
92 | link_t inactive_as_with_asid_link; |
129 | link_t inactive_as_with_asid_link; |
93 | 130 | ||
94 | mutex_t lock; |
131 | mutex_t lock; |
95 | 132 | ||
96 | /** Number of references (i.e tasks that reference this as). */ |
133 | /** Number of references (i.e tasks that reference this as). */ |
97 | count_t refcount; |
134 | count_t refcount; |
98 | 135 | ||
99 | /** Number of processors on wich is this address space active. */ |
136 | /** Number of processors on wich is this address space active. */ |
100 | count_t cpu_refcount; |
137 | count_t cpu_refcount; |
101 | 138 | ||
102 | /** B+tree of address space areas. */ |
139 | /** B+tree of address space areas. */ |
103 | btree_t as_area_btree; |
140 | btree_t as_area_btree; |
104 | 141 | ||
105 | /** |
142 | /** |
106 | * Address space identifier. |
143 | * Address space identifier. |
107 | * Constant on architectures that do not support ASIDs. |
144 | * Constant on architectures that do not support ASIDs. |
108 | */ |
145 | */ |
109 | asid_t asid; |
146 | asid_t asid; |
110 | 147 | ||
111 | /** Non-generic content. */ |
148 | /** Non-generic content. */ |
112 | as_genarch_t genarch; |
149 | as_genarch_t genarch; |
113 | 150 | ||
114 | /** Architecture specific content. */ |
151 | /** Architecture specific content. */ |
115 | as_arch_t arch; |
152 | as_arch_t arch; |
116 | } as_t; |
153 | } as_t; |
117 | 154 | ||
118 | typedef struct { |
155 | typedef struct { |
119 | pte_t *(* page_table_create)(int flags); |
156 | pte_t *(* page_table_create)(int flags); |
120 | void (* page_table_destroy)(pte_t *page_table); |
157 | void (* page_table_destroy)(pte_t *page_table); |
121 | void (* page_table_lock)(as_t *as, bool lock); |
158 | void (* page_table_lock)(as_t *as, bool lock); |
122 | void (* page_table_unlock)(as_t *as, bool unlock); |
159 | void (* page_table_unlock)(as_t *as, bool unlock); |
123 | } as_operations_t; |
160 | } as_operations_t; |
- | 161 | #endif |
|
124 | 162 | ||
125 | /** |
163 | /** |
126 | * This structure contains information associated with the shared address space |
164 | * This structure contains information associated with the shared address space |
127 | * area. |
165 | * area. |
128 | */ |
166 | */ |
129 | typedef struct { |
167 | typedef struct { |
130 | /** This lock must be acquired only when the as_area lock is held. */ |
168 | /** This lock must be acquired only when the as_area lock is held. */ |
131 | mutex_t lock; |
169 | mutex_t lock; |
132 | /** This structure can be deallocated if refcount drops to 0. */ |
170 | /** This structure can be deallocated if refcount drops to 0. */ |
133 | count_t refcount; |
171 | count_t refcount; |
134 | /** |
172 | /** |
135 | * B+tree containing complete map of anonymous pages of the shared area. |
173 | * B+tree containing complete map of anonymous pages of the shared area. |
136 | */ |
174 | */ |
137 | btree_t pagemap; |
175 | btree_t pagemap; |
138 | } share_info_t; |
176 | } share_info_t; |
139 | 177 | ||
140 | /** Page fault access type. */ |
178 | /** Page fault access type. */ |
141 | typedef enum { |
179 | typedef enum { |
142 | PF_ACCESS_READ, |
180 | PF_ACCESS_READ, |
143 | PF_ACCESS_WRITE, |
181 | PF_ACCESS_WRITE, |
144 | PF_ACCESS_EXEC |
182 | PF_ACCESS_EXEC |
145 | } pf_access_t; |
183 | } pf_access_t; |
146 | 184 | ||
147 | struct mem_backend; |
185 | struct mem_backend; |
148 | 186 | ||
149 | /** Backend data stored in address space area. */ |
187 | /** Backend data stored in address space area. */ |
150 | typedef union mem_backend_data { |
188 | typedef union mem_backend_data { |
151 | struct { /**< elf_backend members */ |
189 | struct { /**< elf_backend members */ |
152 | elf_header_t *elf; |
190 | elf_header_t *elf; |
153 | elf_segment_header_t *segment; |
191 | elf_segment_header_t *segment; |
154 | }; |
192 | }; |
155 | struct { /**< phys_backend members */ |
193 | struct { /**< phys_backend members */ |
156 | uintptr_t base; |
194 | uintptr_t base; |
157 | count_t frames; |
195 | count_t frames; |
158 | }; |
196 | }; |
159 | } mem_backend_data_t; |
197 | } mem_backend_data_t; |
160 | 198 | ||
161 | /** Address space area structure. |
199 | /** Address space area structure. |
162 | * |
200 | * |
163 | * Each as_area_t structure describes one contiguous area of virtual memory. |
201 | * Each as_area_t structure describes one contiguous area of virtual memory. |
164 | * In the future, it should not be difficult to support shared areas. |
202 | * In the future, it should not be difficult to support shared areas. |
165 | */ |
203 | */ |
166 | typedef struct { |
204 | typedef struct { |
167 | mutex_t lock; |
205 | mutex_t lock; |
168 | /** Containing address space. */ |
206 | /** Containing address space. */ |
169 | as_t *as; |
207 | as_t *as; |
170 | /** |
208 | /** |
171 | * Flags related to the memory represented by the address space area. |
209 | * Flags related to the memory represented by the address space area. |
172 | */ |
210 | */ |
173 | int flags; |
211 | int flags; |
174 | /** Attributes related to the address space area itself. */ |
212 | /** Attributes related to the address space area itself. */ |
175 | int attributes; |
213 | int attributes; |
176 | /** Size of this area in multiples of PAGE_SIZE. */ |
214 | /** Size of this area in multiples of PAGE_SIZE. */ |
177 | count_t pages; |
215 | count_t pages; |
178 | /** Base address of this area. */ |
216 | /** Base address of this area. */ |
179 | uintptr_t base; |
217 | uintptr_t base; |
180 | /** Map of used space. */ |
218 | /** Map of used space. */ |
181 | btree_t used_space; |
219 | btree_t used_space; |
182 | 220 | ||
183 | /** |
221 | /** |
184 | * If the address space area has been shared, this pointer will |
222 | * If the address space area has been shared, this pointer will |
185 | * reference the share info structure. |
223 | * reference the share info structure. |
186 | */ |
224 | */ |
187 | share_info_t *sh_info; |
225 | share_info_t *sh_info; |
188 | 226 | ||
189 | /** Memory backend backing this address space area. */ |
227 | /** Memory backend backing this address space area. */ |
190 | struct mem_backend *backend; |
228 | struct mem_backend *backend; |
191 | 229 | ||
192 | /** Data to be used by the backend. */ |
230 | /** Data to be used by the backend. */ |
193 | mem_backend_data_t backend_data; |
231 | mem_backend_data_t backend_data; |
194 | } as_area_t; |
232 | } as_area_t; |
195 | 233 | ||
196 | /** Address space area backend structure. */ |
234 | /** Address space area backend structure. */ |
197 | typedef struct mem_backend { |
235 | typedef struct mem_backend { |
198 | int (* page_fault)(as_area_t *area, uintptr_t addr, pf_access_t access); |
236 | int (* page_fault)(as_area_t *area, uintptr_t addr, pf_access_t access); |
199 | void (* frame_free)(as_area_t *area, uintptr_t page, uintptr_t frame); |
237 | void (* frame_free)(as_area_t *area, uintptr_t page, uintptr_t frame); |
200 | void (* share)(as_area_t *area); |
238 | void (* share)(as_area_t *area); |
201 | } mem_backend_t; |
239 | } mem_backend_t; |
202 | 240 | ||
203 | extern as_t *AS_KERNEL; |
241 | extern as_t *AS_KERNEL; |
- | 242 | ||
- | 243 | #ifndef __OBJC__ |
|
204 | extern as_operations_t *as_operations; |
244 | extern as_operations_t *as_operations; |
- | 245 | #endif |
|
205 | 246 | ||
206 | SPINLOCK_EXTERN(inactive_as_with_asid_lock); |
247 | SPINLOCK_EXTERN(inactive_as_with_asid_lock); |
207 | extern link_t inactive_as_with_asid_head; |
248 | extern link_t inactive_as_with_asid_head; |
208 | 249 | ||
209 | extern void as_init(void); |
250 | extern void as_init(void); |
210 | 251 | ||
211 | extern as_t *as_create(int flags); |
252 | extern as_t *as_create(int flags); |
212 | extern void as_destroy(as_t *as); |
253 | extern void as_destroy(as_t *as); |
213 | extern void as_switch(as_t *old_as, as_t *new_as); |
254 | extern void as_switch(as_t *old_as, as_t *new_as); |
214 | extern int as_page_fault(uintptr_t page, pf_access_t access, istate_t *istate); |
255 | extern int as_page_fault(uintptr_t page, pf_access_t access, istate_t *istate); |
215 | 256 | ||
216 | extern as_area_t *as_area_create(as_t *as, int flags, size_t size, |
257 | extern as_area_t *as_area_create(as_t *as, int flags, size_t size, |
217 | uintptr_t base, int attrs, mem_backend_t *backend, |
258 | uintptr_t base, int attrs, mem_backend_t *backend, |
218 | mem_backend_data_t *backend_data); |
259 | mem_backend_data_t *backend_data); |
219 | extern int as_area_destroy(as_t *as, uintptr_t address); |
260 | extern int as_area_destroy(as_t *as, uintptr_t address); |
220 | extern int as_area_resize(as_t *as, uintptr_t address, size_t size, int flags); |
261 | extern int as_area_resize(as_t *as, uintptr_t address, size_t size, int flags); |
221 | int as_area_share(as_t *src_as, uintptr_t src_base, size_t acc_size, |
262 | int as_area_share(as_t *src_as, uintptr_t src_base, size_t acc_size, |
222 | as_t *dst_as, uintptr_t dst_base, int dst_flags_mask); |
263 | as_t *dst_as, uintptr_t dst_base, int dst_flags_mask); |
223 | 264 | ||
224 | extern int as_area_get_flags(as_area_t *area); |
265 | extern int as_area_get_flags(as_area_t *area); |
225 | extern bool as_area_check_access(as_area_t *area, pf_access_t access); |
266 | extern bool as_area_check_access(as_area_t *area, pf_access_t access); |
226 | extern size_t as_get_size(uintptr_t base); |
267 | extern size_t as_get_size(uintptr_t base); |
227 | extern int used_space_insert(as_area_t *a, uintptr_t page, count_t count); |
268 | extern int used_space_insert(as_area_t *a, uintptr_t page, count_t count); |
228 | extern int used_space_remove(as_area_t *a, uintptr_t page, count_t count); |
269 | extern int used_space_remove(as_area_t *a, uintptr_t page, count_t count); |
229 | 270 | ||
230 | 271 | ||
231 | /* Interface to be implemented by architectures. */ |
272 | /* Interface to be implemented by architectures. */ |
232 | #ifndef as_constructor_arch |
273 | #ifndef as_constructor_arch |
233 | extern int as_constructor_arch(as_t *as, int flags); |
274 | extern int as_constructor_arch(as_t *as, int flags); |
234 | #endif /* !def as_constructor_arch */ |
275 | #endif /* !def as_constructor_arch */ |
235 | #ifndef as_destructor_arch |
276 | #ifndef as_destructor_arch |
236 | extern int as_destructor_arch(as_t *as); |
277 | extern int as_destructor_arch(as_t *as); |
237 | #endif /* !def as_destructor_arch */ |
278 | #endif /* !def as_destructor_arch */ |
238 | #ifndef as_create_arch |
279 | #ifndef as_create_arch |
239 | extern int as_create_arch(as_t *as, int flags); |
280 | extern int as_create_arch(as_t *as, int flags); |
240 | #endif /* !def as_create_arch */ |
281 | #endif /* !def as_create_arch */ |
241 | #ifndef as_install_arch |
282 | #ifndef as_install_arch |
242 | extern void as_install_arch(as_t *as); |
283 | extern void as_install_arch(as_t *as); |
243 | #endif /* !def as_install_arch */ |
284 | #endif /* !def as_install_arch */ |
244 | #ifndef as_deinstall_arch |
285 | #ifndef as_deinstall_arch |
245 | extern void as_deinstall_arch(as_t *as); |
286 | extern void as_deinstall_arch(as_t *as); |
246 | #endif /* !def as_deinstall_arch */ |
287 | #endif /* !def as_deinstall_arch */ |
247 | 288 | ||
248 | /* Backend declarations and functions. */ |
289 | /* Backend declarations and functions. */ |
249 | extern mem_backend_t anon_backend; |
290 | extern mem_backend_t anon_backend; |
250 | extern mem_backend_t elf_backend; |
291 | extern mem_backend_t elf_backend; |
251 | extern mem_backend_t phys_backend; |
292 | extern mem_backend_t phys_backend; |
252 | 293 | ||
253 | extern int elf_load(elf_header_t *header, as_t *as); |
294 | extern int elf_load(elf_header_t *header, as_t *as); |
254 | 295 | ||
255 | /* Address space area related syscalls. */ |
296 | /* Address space area related syscalls. */ |
256 | extern unative_t sys_as_area_create(uintptr_t address, size_t size, int flags); |
297 | extern unative_t sys_as_area_create(uintptr_t address, size_t size, int flags); |
257 | extern unative_t sys_as_area_resize(uintptr_t address, size_t size, int flags); |
298 | extern unative_t sys_as_area_resize(uintptr_t address, size_t size, int flags); |
258 | extern unative_t sys_as_area_destroy(uintptr_t address); |
299 | extern unative_t sys_as_area_destroy(uintptr_t address); |
259 | 300 | ||
260 | /* Introspection functions. */ |
301 | /* Introspection functions. */ |
261 | extern void as_print(as_t *as); |
302 | extern void as_print(as_t *as); |
262 | 303 | ||
263 | #endif /* KERNEL */ |
304 | #endif /* KERNEL */ |
264 | 305 | ||
265 | #endif |
306 | #endif |
266 | 307 | ||
267 | /** @} |
308 | /** @} |
268 | */ |
309 | */ |
269 | 310 |