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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Martin Decky |
2 | * Copyright (c) 2006 Martin Decky |
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 ppc32mm |
29 | /** @addtogroup ppc32mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_ppc32_TLB_H_ |
35 | #ifndef KERN_ppc32_TLB_H_ |
36 | #define KERN_ppc32_TLB_H_ |
36 | #define KERN_ppc32_TLB_H_ |
37 | 37 | ||
38 | #include <arch/interrupt.h> |
38 | #include <arch/interrupt.h> |
- | 39 | #include <arch/types.h> |
|
- | 40 | #include <typedefs.h> |
|
- | 41 | ||
- | 42 | #define WIMG_GUARDED 0x01 |
|
- | 43 | #define WIMG_COHERENT 0x02 |
|
- | 44 | #define WIMG_NO_CACHE 0x04 |
|
- | 45 | #define WIMG_WRITETHRU 0x08 |
|
39 | 46 | ||
40 | typedef struct { |
47 | typedef struct { |
41 | unsigned v : 1; /**< Valid */ |
48 | unsigned v : 1; /**< Valid */ |
42 | unsigned vsid : 24; /**< Virtual Segment ID */ |
49 | unsigned vsid : 24; /**< Virtual Segment ID */ |
43 | unsigned h : 1; /**< Primary/secondary hash */ |
50 | unsigned h : 1; /**< Primary/secondary hash */ |
44 | unsigned api : 6; /**< Abbreviated Page Index */ |
51 | unsigned api : 6; /**< Abbreviated Page Index */ |
45 | unsigned rpn : 20; /**< Real Page Number */ |
52 | unsigned rpn : 20; /**< Real Page Number */ |
46 | unsigned reserved0 : 3; |
53 | unsigned reserved0 : 3; |
47 | unsigned r : 1; /**< Reference */ |
54 | unsigned r : 1; /**< Reference */ |
48 | unsigned c : 1; /**< Change */ |
55 | unsigned c : 1; /**< Change */ |
49 | unsigned wimg : 4; /**< Access control */ |
56 | unsigned wimg : 4; /**< Access control */ |
50 | unsigned reserved1 : 1; |
57 | unsigned reserved1 : 1; |
51 | unsigned pp : 2; /**< Page protection */ |
58 | unsigned pp : 2; /**< Page protection */ |
52 | } phte_t; |
59 | } phte_t; |
53 | 60 | ||
- | 61 | typedef struct { |
|
- | 62 | unsigned v : 1; |
|
- | 63 | unsigned vsid : 24; |
|
54 | extern void pht_refill(int n, istate_t *istate); |
64 | unsigned reserved0 : 1; |
- | 65 | unsigned api : 6; |
|
- | 66 | } ptehi_t; |
|
- | 67 | ||
- | 68 | typedef struct { |
|
- | 69 | unsigned rpn : 20; |
|
- | 70 | unsigned xpn : 3; |
|
55 | extern bool pht_real_refill(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
71 | unsigned reserved0 : 1; |
- | 72 | unsigned c : 1; |
|
- | 73 | unsigned wimg : 4; |
|
- | 74 | unsigned x : 1; |
|
- | 75 | unsigned pp : 2; |
|
- | 76 | } ptelo_t; |
|
- | 77 | ||
56 | extern void pht_init(void); |
78 | extern void pht_init(void); |
- | 79 | extern void pht_refill(int n, istate_t *istate); |
|
- | 80 | extern bool pht_refill_real(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
|
- | 81 | extern void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
|
57 | 82 | ||
58 | #endif |
83 | #endif |
59 | 84 | ||
60 | /** @} |
85 | /** @} |
61 | */ |
86 | */ |
62 | 87 |