WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia64/include/mm/tlb.h


/*
 * Copyright (C) 2005 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 ia64mm 
 * @{
 */
/** @file
 */
 
#ifndef KERN_ia64_TLB_H_
#define KERN_ia64_TLB_H_
 
#define tlb_arch_init()
#define tlb_print()
 
#include <arch/mm/page.h>
#include <arch/mm/asid.h>
#include <arch/interrupt.h>
#include <arch/types.h>
#include <typedefs.h>
 
/** Data and instruction Translation Register indices. */
#define DTR_KERNEL  0
#define ITR_KERNEL  0
#define DTR_KSTACK1 1
#define DTR_KSTACK2 2
 
/** Portion of TLB insertion format data structure. */
union tlb_entry {
    uint64_t word[2];
    struct {
        /* Word 0 */
        unsigned p : 1;         /**< Present. */
        unsigned : 1;
        unsigned ma : 3;        /**< Memory attribute. */
        unsigned a : 1;         /**< Accessed. */
        unsigned d : 1;         /**< Dirty. */
        unsigned pl : 2;        /**< Privilege level. */
        unsigned ar : 3;        /**< Access rights. */
        unsigned long long ppn : 38;    /**< Physical Page Number, a.k.a. PFN. */
        unsigned : 2;
        unsigned ed : 1;
        unsigned ig1 : 11;
 
        /* Word 1 */
        unsigned : 2;
        unsigned ps : 6;        /**< Page size will be 2^ps. */
        unsigned key : 24;      /**< Protection key, unused. */
        unsigned : 32;
    } __attribute__ ((packed));
} __attribute__ ((packed));
typedef union tlb_entry tlb_entry_t;
 
extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc);
extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
 
extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr);
extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
 
extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr);
extern void dtr_purge(uintptr_t page, count_t width);
 
extern void dtc_pte_copy(pte_t *t);
extern void itc_pte_copy(pte_t *t);
 
extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate);
extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate);
extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate);
extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate);
extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate);
extern void data_access_bit_fault(uint64_t vector, istate_t *istate);
extern void page_not_present(uint64_t vector, istate_t *istate);
 
#endif
 
/** @}
 */
 
 

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia64/include/mm/tlb.h – Rev 1787 → 1888

Rev 1787		Rev 1888
1	/*	1	/*
2	* Copyright (C) 2005 Jakub Jermar	2	* Copyright (C) 2005 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 ia64mm	29	/** @addtogroup ia64mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef __ia64_TLB_H__	35	#ifndef KERN_ia64_TLB_H_
36	#define __ia64_TLB_H__	36	#define KERN_ia64_TLB_H_
37		37
38	#define tlb_arch_init()	38	#define tlb_arch_init()
39	#define tlb_print()	39	#define tlb_print()
40		40
41	#include <arch/mm/page.h>	41	#include <arch/mm/page.h>
42	#include <arch/mm/asid.h>	42	#include <arch/mm/asid.h>
43	#include <arch/interrupt.h>	43	#include <arch/interrupt.h>
44	#include <arch/types.h>	44	#include <arch/types.h>
45	#include <typedefs.h>	45	#include <typedefs.h>
46		46
47	/** Data and instruction Translation Register indices. */	47	/** Data and instruction Translation Register indices. */
48	#define DTR_KERNEL 0	48	#define DTR_KERNEL 0
49	#define ITR_KERNEL 0	49	#define ITR_KERNEL 0
50	#define DTR_KSTACK1 1	50	#define DTR_KSTACK1 1
51	#define DTR_KSTACK2 2	51	#define DTR_KSTACK2 2
52		52
53	/** Portion of TLB insertion format data structure. */	53	/** Portion of TLB insertion format data structure. */
54	union tlb_entry {	54	union tlb_entry {
55	uint64_t word[2];	55	uint64_t word[2];
56	struct {	56	struct {
57	/* Word 0 */	57	/* Word 0 */
58	unsigned p : 1; /*< Present. /	58	unsigned p : 1; /*< Present. /
59	unsigned : 1;	59	unsigned : 1;
60	unsigned ma : 3; /*< Memory attribute. /	60	unsigned ma : 3; /*< Memory attribute. /
61	unsigned a : 1; /*< Accessed. /	61	unsigned a : 1; /*< Accessed. /
62	unsigned d : 1; /*< Dirty. /	62	unsigned d : 1; /*< Dirty. /
63	unsigned pl : 2; /*< Privilege level. /	63	unsigned pl : 2; /*< Privilege level. /
64	unsigned ar : 3; /*< Access rights. /	64	unsigned ar : 3; /*< Access rights. /
65	unsigned long long ppn : 38; /*< Physical Page Number, a.k.a. PFN. /	65	unsigned long long ppn : 38; /*< Physical Page Number, a.k.a. PFN. /
66	unsigned : 2;	66	unsigned : 2;
67	unsigned ed : 1;	67	unsigned ed : 1;
68	unsigned ig1 : 11;	68	unsigned ig1 : 11;
69		69
70	/* Word 1 */	70	/* Word 1 */
71	unsigned : 2;	71	unsigned : 2;
72	unsigned ps : 6; /*< Page size will be 2^ps. /	72	unsigned ps : 6; /*< Page size will be 2^ps. /
73	unsigned key : 24; /*< Protection key, unused. /	73	unsigned key : 24; /*< Protection key, unused. /
74	unsigned : 32;	74	unsigned : 32;
75	} __attribute__ ((packed));	75	} __attribute__ ((packed));
76	} __attribute__ ((packed));	76	} __attribute__ ((packed));
77	typedef union tlb_entry tlb_entry_t;	77	typedef union tlb_entry tlb_entry_t;
78		78
79	extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc);	79	extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc);
80	extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);	80	extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
81	extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);	81	extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
82		82
83	extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr);	83	extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr);
84	extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);	84	extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
85	extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);	85	extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
86		86
87	extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr);	87	extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr);
88	extern void dtr_purge(uintptr_t page, count_t width);	88	extern void dtr_purge(uintptr_t page, count_t width);
89		89
90	extern void dtc_pte_copy(pte_t *t);	90	extern void dtc_pte_copy(pte_t *t);
91	extern void itc_pte_copy(pte_t *t);	91	extern void itc_pte_copy(pte_t *t);
92		92
93	extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate);	93	extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate);
94	extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate);	94	extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate);
95	extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate);	95	extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate);
96	extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate);	96	extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate);
97	extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate);	97	extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate);
98	extern void data_access_bit_fault(uint64_t vector, istate_t *istate);	98	extern void data_access_bit_fault(uint64_t vector, istate_t *istate);
99	extern void page_not_present(uint64_t vector, istate_t *istate);	99	extern void page_not_present(uint64_t vector, istate_t *istate);
100		100
101	#endif	101	#endif
102		102
103	/** @}	103	/** @}
104	*/	104	*/
105		-
106		105