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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_FRAME_H_ |
35 | #ifndef KERN_sparc64_FRAME_H_ |
36 | #define KERN_sparc64_FRAME_H_ |
36 | #define KERN_sparc64_FRAME_H_ |
37 | 37 | ||
38 | /* |
- | |
39 | * Page size supported by the MMU. |
- | |
40 | * For 8K there is the nasty illegal virtual aliasing problem. |
- | |
41 | * Therefore, the kernel uses 8K only internally on the TLB and TSB levels. |
- | |
42 | */ |
- | |
43 | #define MMU_FRAME_WIDTH 13 /* 8K */ |
- | |
44 | #define MMU_FRAME_SIZE (1 << MMU_FRAME_WIDTH) |
- | |
45 | - | ||
46 | /* |
- | |
47 | * Page size exported to the generic memory management subsystems. |
- | |
48 | * This page size is not directly supported by the MMU, but we can emulate |
- | |
49 | * each 16K page with a pair of adjacent 8K pages. |
- | |
50 | */ |
- | |
51 | #define FRAME_WIDTH 14 /* 16K */ |
- | |
52 | #define FRAME_SIZE (1 << FRAME_WIDTH) |
- | |
53 | - | ||
54 | #ifdef KERNEL |
38 | #if defined (SUN4U) |
55 | #ifndef __ASM__ |
- | |
56 | - | ||
57 | #include <arch/types.h> |
39 | #include <arch/mm/sun4u/frame.h> |
58 | - | ||
59 | union frame_address { |
- | |
60 | uintptr_t address; |
- | |
61 | struct { |
- | |
62 | #if defined (US) |
- | |
63 | unsigned : 23; |
- | |
64 | uint64_t pfn : 28; /**< Physical Frame Number. */ |
- | |
65 | #elif defined (US3) |
40 | #elif defined (SUN4V) |
66 | unsigned : 21; |
- | |
67 | uint64_t pfn : 30; /**< Physical Frame Number. */ |
- | |
68 | #endif |
- | |
69 | unsigned offset : 13; /**< Offset. */ |
- | |
70 | } __attribute__ ((packed)); |
- | |
71 | }; |
- | |
72 | - | ||
73 | typedef union frame_address frame_address_t; |
- | |
74 | - | ||
75 | extern uintptr_t last_frame; |
41 | #include <arch/mm/sun4v/frame.h> |
76 | extern void frame_arch_init(void); |
- | |
77 | #define physmem_print() |
- | |
78 | - | ||
79 | #endif |
- | |
80 | #endif |
42 | #endif |
81 | 43 | ||
82 | #endif |
44 | #endif |
83 | 45 | ||
84 | /** @} |
46 | /** @} |
85 | */ |
47 | */ |
86 | 48 |