WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/include/mm/page.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 sparc64mm  
 * @{
 */
/** @file
 */
 
#ifndef KERN_sparc64_PAGE_H_
#define KERN_sparc64_PAGE_H_
 
#include <arch/mm/frame.h>
 
#define PAGE_WIDTH  FRAME_WIDTH
#define PAGE_SIZE   FRAME_SIZE
 
#define PAGE_COLOR_BITS 1           /**< 14 - 13; 2^14 == 16K == alias boundary. */
 
#ifdef KERNEL
 
#ifndef __ASM__
 
#include <mm/page.h>
#include <arch/types.h>
#include <genarch/mm/page_ht.h>
 
extern uintptr_t physmem_base;
 
#define KA2PA(x)    (((uintptr_t) (x)) + physmem_base)
#define PA2KA(x)    (((uintptr_t) (x)) - physmem_base)
 
union page_address {
    uintptr_t address;
    struct {
        uint64_t vpn : 51;      /**< Virtual Page Number. */
        unsigned offset : 13;       /**< Offset. */
    } __attribute__ ((packed));
};
 
typedef union page_address page_address_t;
 
extern void page_arch_init(void);
 
#endif /* !def __ASM__ */
 
#endif /* KERNEL */
 
#endif
 
/** @}
 */
 

Rev 1978	Rev 2007
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 sparc64mm	29	/** @addtogroup sparc64mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_sparc64_PAGE_H_	35	#ifndef KERN_sparc64_PAGE_H_
36	#define KERN_sparc64_PAGE_H_	36	#define KERN_sparc64_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 1 /*< 14 - 13; 2^14 == 16K == alias boundary. /
-		44
43	#ifdef KERNEL	45	#ifdef KERNEL
44		46
45	#ifndef __ASM__	47	#ifndef __ASM__
46		48
47	#include <mm/page.h>	49	#include <mm/page.h>
48	#include <arch/types.h>	50	#include <arch/types.h>
49	#include <genarch/mm/page_ht.h>	51	#include <genarch/mm/page_ht.h>
50		52
51	extern uintptr_t physmem_base;	53	extern uintptr_t physmem_base;
52		54
53	#define KA2PA(x) (((uintptr_t) (x)) + physmem_base)	55	#define KA2PA(x) (((uintptr_t) (x)) + physmem_base)
54	#define PA2KA(x) (((uintptr_t) (x)) - physmem_base)	56	#define PA2KA(x) (((uintptr_t) (x)) - physmem_base)
55		57
56	union page_address {	58	union page_address {
57	uintptr_t address;	59	uintptr_t address;
58	struct {	60	struct {
59	uint64_t vpn : 51; /*< Virtual Page Number. /	61	uint64_t vpn : 51; /*< Virtual Page Number. /
60	unsigned offset : 13; /*< Offset. /	62	unsigned offset : 13; /*< Offset. /
61	} __attribute__ ((packed));	63	} __attribute__ ((packed));
62	};	64	};
63		65
64	typedef union page_address page_address_t;	66	typedef union page_address page_address_t;
65		67
66	extern void page_arch_init(void);	68	extern void page_arch_init(void);
67		69
68	#endif /* !def __ASM__ */	70	#endif /* !def __ASM__ */
69		71
70	#endif /* KERNEL */	72	#endif /* KERNEL */
71		73
72	#endif	74	#endif
73		75
74	/** @}	76	/** @}
75	*/	77	*/
76		78

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/include/mm/page.h @ 3862 – Rev 1978 → 2007