WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia32/include/mm/page.h


/*
 * Copyright (c) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup ia32mm 
 * @{
 */
/** @file
 */
 
#ifndef KERN_ia32_PAGE_H_
#define KERN_ia32_PAGE_H_
 
#include <arch/mm/frame.h>
 
#define PAGE_WIDTH  FRAME_WIDTH
#define PAGE_SIZE   FRAME_SIZE
 
#define PAGE_COLOR_BITS 0           /* dummy */
 
#ifdef KERNEL
 
#ifndef __ASM__
#   define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
#   define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
#else
#   define KA2PA(x) ((x) - 0x80000000)
#   define PA2KA(x) ((x) + 0x80000000)
#endif
 
/*
 * Implementation of generic 4-level page table interface.
 * IA-32 has 2-level page tables, so PTL1 and PTL2 are left out.
 */
#define PTL0_ENTRIES_ARCH   1024
#define PTL1_ENTRIES_ARCH   0
#define PTL2_ENTRIES_ARCH   0
#define PTL3_ENTRIES_ARCH   1024
 
#define PTL0_INDEX_ARCH(vaddr)  (((vaddr) >> 22) & 0x3ff)
#define PTL1_INDEX_ARCH(vaddr)  0
#define PTL2_INDEX_ARCH(vaddr)  0
#define PTL3_INDEX_ARCH(vaddr)  (((vaddr) >> 12) & 0x3ff)
 
#define GET_PTL1_ADDRESS_ARCH(ptl0, i)      ((pte_t *)((((pte_t *)(ptl0))[(i)].frame_address) << 12))
#define GET_PTL2_ADDRESS_ARCH(ptl1, i)      (ptl1)
#define GET_PTL3_ADDRESS_ARCH(ptl2, i)      (ptl2)
#define GET_FRAME_ADDRESS_ARCH(ptl3, i)     ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address) << 12))
 
#define SET_PTL0_ADDRESS_ARCH(ptl0)     (write_cr3((uintptr_t) (ptl0)))
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)   (((pte_t *)(ptl0))[(i)].frame_address = (a)>>12)
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a)  (((pte_t *)(ptl3))[(i)].frame_address = (a)>>12)
 
#define GET_PTL1_FLAGS_ARCH(ptl0, i)        get_pt_flags((pte_t *)(ptl0), (index_t)(i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i)        PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i)        PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i)       get_pt_flags((pte_t *)(ptl3), (index_t)(i))
 
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x)     set_pt_flags((pte_t *)(ptl0), (index_t)(i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x)    set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x))
 
#define PTE_VALID_ARCH(p)           (*((uint32_t *) (p)) != 0)
#define PTE_PRESENT_ARCH(p)         ((p)->present != 0)
#define PTE_GET_FRAME_ARCH(p)           ((p)->frame_address << FRAME_WIDTH)
#define PTE_WRITABLE_ARCH(p)            ((p)->writeable != 0)
#define PTE_EXECUTABLE_ARCH(p)          1
 
#ifndef __ASM__
 
#include <mm/mm.h>
 
#include <arch/interrupt.h>
 
 
/* Page fault error codes. */
 
/** When bit on this position is 0, the page fault was caused by a not-present page. */
#define PFERR_CODE_P        (1 << 0)
 
/** When bit on this position is 1, the page fault was caused by a write. */
#define PFERR_CODE_RW       (1 << 1)
 
/** When bit on this position is 1, the page fault was caused in user mode. */
#define PFERR_CODE_US       (1 << 2)
 
/** When bit on this position is 1, a reserved bit was set in page directory. */
#define PFERR_CODE_RSVD     (1 << 3)    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
static inline int get_pt_flags(pte_t *pt, index_t i)
{
    pte_t *p = &pt[i];
   
    return (
        (!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT |
        (!p->present) << PAGE_PRESENT_SHIFT |
        p->uaccessible << PAGE_USER_SHIFT |
        1<<PAGE_READ_SHIFT |
        p->writeable << PAGE_WRITE_SHIFT |
        1<<PAGE_EXEC_SHIFT |
        p->global << PAGE_GLOBAL_SHIFT
    );
}
 
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
    pte_t *p = &pt[i];
   
    p->page_cache_disable = !(flags & PAGE_CACHEABLE);
    p->present = !(flags & PAGE_NOT_PRESENT);
    p->uaccessible = (flags & PAGE_USER) != 0;
    p->writeable = (flags & PAGE_WRITE) != 0;
    p->global = (flags & PAGE_GLOBAL) != 0;
   
    /*
     * Ensure that there is at least one bit set even if the present bit is cleared.
     */
    p->soft_valid = true;
}
 
extern void page_arch_init(void);
extern void page_fault(int n, istate_t *istate);
 
#endif /* __ASM__ */
 
#endif /* KERNEL */
 
#endif
 
/** @}
 */
 

Rev 2071	Rev 2089
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 ia32mm	29	/** @addtogroup ia32mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_ia32_PAGE_H_	35	#ifndef KERN_ia32_PAGE_H_
36	#define KERN_ia32_PAGE_H_	36	#define KERN_ia32_PAGE_H_
37		37
38	#include <arch/mm/frame.h>	38	#include <arch/mm/frame.h>
39		39
40	#define PAGE_WIDTH FRAME_WIDTH	40	#define PAGE_WIDTH FRAME_WIDTH
41	#define PAGE_SIZE FRAME_SIZE	41	#define PAGE_SIZE FRAME_SIZE
42		42
43	#define PAGE_COLOR_BITS 0 /* dummy */	43	#define PAGE_COLOR_BITS 0 /* dummy */
44		44
45	#ifdef KERNEL	45	#ifdef KERNEL
46		46
47	#ifndef __ASM__	47	#ifndef __ASM__
48	# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)	48	# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
49	# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)	49	# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
50	#else	50	#else
51	# define KA2PA(x) ((x) - 0x80000000)	51	# define KA2PA(x) ((x) - 0x80000000)
52	# define PA2KA(x) ((x) + 0x80000000)	52	# define PA2KA(x) ((x) + 0x80000000)
53	#endif	53	#endif
54		54
55	/*	55	/*
56	* Implementation of generic 4-level page table interface.	56	* Implementation of generic 4-level page table interface.
57	* IA-32 has 2-level page tables, so PTL1 and PTL2 are left out.	57	* IA-32 has 2-level page tables, so PTL1 and PTL2 are left out.
58	*/	58	*/
59	#define PTL0_ENTRIES_ARCH 1024	59	#define PTL0_ENTRIES_ARCH 1024
60	#define PTL1_ENTRIES_ARCH 0	60	#define PTL1_ENTRIES_ARCH 0
61	#define PTL2_ENTRIES_ARCH 0	61	#define PTL2_ENTRIES_ARCH 0
62	#define PTL3_ENTRIES_ARCH 1024	62	#define PTL3_ENTRIES_ARCH 1024
63		63
64	#define PTL0_INDEX_ARCH(vaddr) (((vaddr)>>22)&0x3ff)	64	#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff)
65	#define PTL1_INDEX_ARCH(vaddr) 0	65	#define PTL1_INDEX_ARCH(vaddr) 0
66	#define PTL2_INDEX_ARCH(vaddr) 0	66	#define PTL2_INDEX_ARCH(vaddr) 0
67	#define PTL3_INDEX_ARCH(vaddr) (((vaddr)>>12)&0x3ff)	67	#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff)
68		68
69	#define GET_PTL1_ADDRESS_ARCH(ptl0, i) ((pte_t )((((pte_t )(ptl0))[(i)].frame_address)<<12))	69	#define GET_PTL1_ADDRESS_ARCH(ptl0, i) ((pte_t )((((pte_t )(ptl0))[(i)].frame_address) << 12))
70	#define GET_PTL2_ADDRESS_ARCH(ptl1, i) (ptl1)	70	#define GET_PTL2_ADDRESS_ARCH(ptl1, i) (ptl1)
71	#define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2)	71	#define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2)
72	#define GET_FRAME_ADDRESS_ARCH(ptl3, i) ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address)<<12))	72	#define GET_FRAME_ADDRESS_ARCH(ptl3, i) ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address) << 12))
73		73
74	#define SET_PTL0_ADDRESS_ARCH(ptl0) (write_cr3((uintptr_t) (ptl0)))	74	#define SET_PTL0_ADDRESS_ARCH(ptl0) (write_cr3((uintptr_t) (ptl0)))
75	#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) (((pte_t *)(ptl0))[(i)].frame_address = (a)>>12)	75	#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) (((pte_t *)(ptl0))[(i)].frame_address = (a)>>12)
76	#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)	76	#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)
77	#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)	77	#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
78	#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) (((pte_t *)(ptl3))[(i)].frame_address = (a)>>12)	78	#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) (((pte_t *)(ptl3))[(i)].frame_address = (a)>>12)
79		79
80	#define GET_PTL1_FLAGS_ARCH(ptl0, i) get_pt_flags((pte_t *)(ptl0), (index_t)(i))	80	#define GET_PTL1_FLAGS_ARCH(ptl0, i) get_pt_flags((pte_t *)(ptl0), (index_t)(i))
81	#define GET_PTL2_FLAGS_ARCH(ptl1, i) PAGE_PRESENT	81	#define GET_PTL2_FLAGS_ARCH(ptl1, i) PAGE_PRESENT
82	#define GET_PTL3_FLAGS_ARCH(ptl2, i) PAGE_PRESENT	82	#define GET_PTL3_FLAGS_ARCH(ptl2, i) PAGE_PRESENT
83	#define GET_FRAME_FLAGS_ARCH(ptl3, i) get_pt_flags((pte_t *)(ptl3), (index_t)(i))	83	#define GET_FRAME_FLAGS_ARCH(ptl3, i) get_pt_flags((pte_t *)(ptl3), (index_t)(i))
84		84
85	#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) set_pt_flags((pte_t *)(ptl0), (index_t)(i), (x))	85	#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) set_pt_flags((pte_t *)(ptl0), (index_t)(i), (x))
86	#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)	86	#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
87	#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)	87	#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
88	#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x))	88	#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x))
89		89
90	#define PTE_VALID_ARCH(p) (((uint32_t ) (p)) != 0)	90	#define PTE_VALID_ARCH(p) (((uint32_t ) (p)) != 0)
91	#define PTE_PRESENT_ARCH(p) ((p)->present != 0)	91	#define PTE_PRESENT_ARCH(p) ((p)->present != 0)
92	#define PTE_GET_FRAME_ARCH(p) ((p)->frame_address<<FRAME_WIDTH)	92	#define PTE_GET_FRAME_ARCH(p) ((p)->frame_address << FRAME_WIDTH)
93	#define PTE_WRITABLE_ARCH(p) ((p)->writeable != 0)	93	#define PTE_WRITABLE_ARCH(p) ((p)->writeable != 0)
94	#define PTE_EXECUTABLE_ARCH(p) 1	94	#define PTE_EXECUTABLE_ARCH(p) 1
95		95
96	#ifndef __ASM__	96	#ifndef __ASM__
97		97
98	#include <mm/page.h>	98	#include <mm/mm.h>
99	#include <arch/types.h>	-
100	#include <arch/mm/frame.h>	99	#include <arch/interrupt.h>
101	#include <typedefs.h>	-
102		100
103	/* Page fault error codes. */	101	/* Page fault error codes. */
104		102
105	/** When bit on this position is 0, the page fault was caused by a not-present page. */	103	/** When bit on this position is 0, the page fault was caused by a not-present page. */
106	#define PFERR_CODE_P (1<<0)	104	#define PFERR_CODE_P (1 << 0)
107		105
108	/** When bit on this position is 1, the page fault was caused by a write. */	106	/** When bit on this position is 1, the page fault was caused by a write. */
109	#define PFERR_CODE_RW (1<<1)	107	#define PFERR_CODE_RW (1 << 1)
110		108
111	/** When bit on this position is 1, the page fault was caused in user mode. */	109	/** When bit on this position is 1, the page fault was caused in user mode. */
112	#define PFERR_CODE_US (1<<2)	110	#define PFERR_CODE_US (1 << 2)
113		111
114	/** When bit on this position is 1, a reserved bit was set in page directory. */	112	/** When bit on this position is 1, a reserved bit was set in page directory. */
115	#define PFERR_CODE_RSVD (1<<3)	113	#define PFERR_CODE_RSVD (1 << 3)
116		-
117	/** Page Table Entry. */	-
118	struct page_specifier {	-
119	unsigned present : 1;	-
120	unsigned writeable : 1;	-
121	unsigned uaccessible : 1;	-
122	unsigned page_write_through : 1;	-
123	unsigned page_cache_disable : 1;	-
124	unsigned accessed : 1;	-
125	unsigned dirty : 1;	-
126	unsigned pat : 1;	-
127	unsigned global : 1;	-
128	unsigned soft_valid : 1; /*< Valid content even if the present bit is not set. /	-
129	unsigned avl : 2;	-
130	unsigned frame_address : 20;	-
131	} __attribute__ ((packed));	-
132		114
133	static inline int get_pt_flags(pte_t *pt, index_t i)	115	static inline int get_pt_flags(pte_t *pt, index_t i)
134	{	116	{
135	pte_t *p = &pt[i];	117	pte_t *p = &pt[i];
136		118
137	return (	119	return (
138	(!p->page_cache_disable)<<PAGE_CACHEABLE_SHIFT \|	120	(!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT \|
139	(!p->present)<<PAGE_PRESENT_SHIFT \|	121	(!p->present) << PAGE_PRESENT_SHIFT \|
140	p->uaccessible<<PAGE_USER_SHIFT \|	122	p->uaccessible << PAGE_USER_SHIFT \|
141	1<<PAGE_READ_SHIFT \|	123	1<<PAGE_READ_SHIFT \|
142	p->writeable<<PAGE_WRITE_SHIFT \|	124	p->writeable << PAGE_WRITE_SHIFT \|
143	1<<PAGE_EXEC_SHIFT \|	125	1<<PAGE_EXEC_SHIFT \|
144	p->global<<PAGE_GLOBAL_SHIFT	126	p->global << PAGE_GLOBAL_SHIFT
145	);	127	);
146	}	128	}
147		129
148	static inline void set_pt_flags(pte_t *pt, index_t i, int flags)	130	static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
149	{	131	{
150	pte_t *p = &pt[i];	132	pte_t *p = &pt[i];
151		133
152	p->page_cache_disable = !(flags & PAGE_CACHEABLE);	134	p->page_cache_disable = !(flags & PAGE_CACHEABLE);
153	p->present = !(flags & PAGE_NOT_PRESENT);	135	p->present = !(flags & PAGE_NOT_PRESENT);
154	p->uaccessible = (flags & PAGE_USER) != 0;	136	p->uaccessible = (flags & PAGE_USER) != 0;
155	p->writeable = (flags & PAGE_WRITE) != 0;	137	p->writeable = (flags & PAGE_WRITE) != 0;
156	p->global = (flags & PAGE_GLOBAL) != 0;	138	p->global = (flags & PAGE_GLOBAL) != 0;
157		139
158	/*	140	/*
159	* Ensure that there is at least one bit set even if the present bit is cleared.	141	* Ensure that there is at least one bit set even if the present bit is cleared.
160	*/	142	*/
161	p->soft_valid = true;	143	p->soft_valid = true;
162	}	144	}
163		145
164	extern void page_arch_init(void);	146	extern void page_arch_init(void);
165	extern void page_fault(int n, istate_t *istate);	147	extern void page_fault(int n, istate_t *istate);
166		148
167	#endif /* __ASM__ */	149	#endif /* __ASM__ */
168		150
169	#endif /* KERNEL */	151	#endif /* KERNEL */
170		152
171	#endif	153	#endif
172		154
173	/** @}	155	/** @}
174	*/	156	*/
175		157

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia32/include/mm/page.h – Rev 2071 → 2089