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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> |
- | |
39 | - | ||
40 | /* |
- | |
41 | * On the TLB and TSB level, we still use 8K pages, which are supported by the |
- | |
42 | * MMU. |
- | |
43 | */ |
- | |
44 | #define MMU_PAGE_WIDTH MMU_FRAME_WIDTH |
- | |
45 | #define MMU_PAGE_SIZE MMU_FRAME_SIZE |
- | |
46 | - | ||
47 | /* |
- | |
48 | * On the page table level, we use 16K pages. 16K pages are not supported by |
- | |
49 | * the MMU but we emulate them with pairs of 8K pages. |
- | |
50 | */ |
- | |
51 | #define PAGE_WIDTH FRAME_WIDTH |
- | |
52 | #define PAGE_SIZE FRAME_SIZE |
- | |
53 | - | ||
54 | #define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH)) |
- | |
55 | - | ||
56 | #ifdef KERNEL |
- | |
57 | - | ||
58 | #ifndef __ASM__ |
38 | #if defined(SUN4U) |
59 | - | ||
60 | #include <arch/interrupt.h> |
39 | #include <arch/mm/sun4u/page.h> |
61 | - | ||
62 | extern uintptr_t physmem_base; |
- | |
63 | - | ||
64 | #define KA2PA(x) (((uintptr_t) (x)) + physmem_base) |
- | |
65 | #define PA2KA(x) (((uintptr_t) (x)) - physmem_base) |
- | |
66 | - | ||
67 | typedef union { |
40 | #elif defined (SUN4V) |
68 | uintptr_t address; |
- | |
69 | struct { |
- | |
70 | uint64_t vpn : 51; /**< Virtual Page Number. */ |
- | |
71 | unsigned offset : 13; /**< Offset. */ |
- | |
72 | } __attribute__ ((packed)); |
- | |
73 | } page_address_t; |
- | |
74 | - | ||
75 | extern void page_arch_init(void); |
41 | #include <arch/mm/sun4v/page.h> |
76 | - | ||
77 | #endif /* !def __ASM__ */ |
- | |
78 | - | ||
79 | #endif /* KERNEL */ |
42 | #endif |
80 | 43 | ||
81 | #endif |
44 | #endif |
82 | 45 | ||
83 | /** @} |
46 | /** @} |
84 | */ |
47 | */ |
85 | 48 |