Rev 613 | Rev 619 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 613 | Rev 617 | ||
---|---|---|---|
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 | #include <arch/mm/tlb.h> |
29 | #include <arch/mm/tlb.h> |
30 | #include <mm/tlb.h> |
30 | #include <mm/tlb.h> |
31 | #include <print.h> |
31 | #include <print.h> |
- | 32 | #include <arch/types.h> |
|
- | 33 | #include <typedefs.h> |
|
32 | 34 | ||
33 | void tlb_arch_init(void) |
35 | void tlb_arch_init(void) |
34 | { |
36 | { |
35 | } |
37 | } |
36 | 38 | ||
37 | /** Print contents of both TLBs. */ |
39 | /** Print contents of both TLBs. */ |
38 | void tlb_print(void) |
40 | void tlb_print(void) |
39 | { |
41 | { |
40 | int i; |
42 | int i; |
41 | tlb_data_t d; |
43 | tlb_data_t d; |
42 | tlb_tag_read_reg_t t; |
44 | tlb_tag_read_reg_t t; |
43 | 45 | ||
44 | printf("I-TLB contents:\n"); |
46 | printf("I-TLB contents:\n"); |
45 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
47 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
46 | d.value = itlb_data_access_read(i); |
48 | d.value = itlb_data_access_read(i); |
47 | t.value = itlb_tag_read_read(i); |
49 | t.value = itlb_tag_read_read(i); |
48 | 50 | ||
49 | printf("%d: va=%Q, context=%d, v=%d, size=%d, nfo=%d, ie=%d, soft2=%X, diag=%X, pa=%X, soft=%X, l=%d, cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", |
51 | printf("%d: vpn=%Q, context=%d, v=%d, size=%d, nfo=%d, ie=%d, soft2=%X, diag=%X, pfn=%X, soft=%X, l=%d, cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", |
50 | i, t.va, t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag, d.pa, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
52 | i, t.vpn, t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag, d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
51 | } |
53 | } |
52 | 54 | ||
53 | printf("D-TLB contents:\n"); |
55 | printf("D-TLB contents:\n"); |
54 | for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
56 | for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
55 | d.value = dtlb_data_access_read(i); |
57 | d.value = dtlb_data_access_read(i); |
56 | t.value = dtlb_tag_read_read(i); |
58 | t.value = dtlb_tag_read_read(i); |
57 | 59 | ||
58 | printf("%d: va=%Q, context=%d, v=%d, size=%d, nfo=%d, ie=%d, soft2=%X, diag=%X, pa=%X, soft=%X, l=%d, cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", |
60 | printf("%d: vpn=%Q, context=%d, v=%d, size=%d, nfo=%d, ie=%d, soft2=%X, diag=%X, pfn=%X, soft=%X, l=%d, cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", |
59 | i, t.va, t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag, d.pa, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
61 | i, t.vpn, t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag, d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
60 | } |
62 | } |
61 | 63 | ||
62 | } |
64 | } |
- | 65 | ||
- | 66 | /** Invalidate all unlocked ITLB and DTLB entries. */ |
|
- | 67 | void tlb_invalidate_all(void) |
|
- | 68 | { |
|
- | 69 | int i; |
|
- | 70 | tlb_data_t d; |
|
- | 71 | tlb_tag_read_reg_t t; |
|
- | 72 | ||
- | 73 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
|
- | 74 | d.value = itlb_data_access_read(i); |
|
- | 75 | if (!d.l) { |
|
- | 76 | printf("invalidating "); |
|
- | 77 | t.value = itlb_tag_read_read(i); |
|
- | 78 | d.v = false; |
|
- | 79 | itlb_tag_access_write(t.value); |
|
- | 80 | itlb_data_access_write(i, d.value); |
|
- | 81 | } |
|
- | 82 | } |
|
- | 83 | ||
- | 84 | for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
|
- | 85 | d.value = dtlb_data_access_read(i); |
|
- | 86 | if (!d.l) { |
|
- | 87 | t.value = dtlb_tag_read_read(i); |
|
- | 88 | d.v = false; |
|
- | 89 | dtlb_tag_access_write(t.value); |
|
- | 90 | dtlb_data_access_write(i, d.value); |
|
- | 91 | } |
|
- | 92 | } |
|
- | 93 | ||
- | 94 | } |
|
- | 95 | ||
- | 96 | /** Invalidate all ITLB and DTLB entries that belong to specified ASID (Context). |
|
- | 97 | * |
|
- | 98 | * @param asid Address Space ID. |
|
- | 99 | */ |
|
- | 100 | void tlb_invalidate_asid(asid_t asid) |
|
- | 101 | { |
|
- | 102 | /* TODO: write asid to some Context register and encode the register in second parameter below. */ |
|
- | 103 | itlb_demap(TLB_DEMAP_CONTEXT, TLB_DEMAP_NUCLEUS, 0); |
|
- | 104 | dtlb_demap(TLB_DEMAP_CONTEXT, TLB_DEMAP_NUCLEUS, 0); |
|
- | 105 | } |
|
- | 106 | ||
- | 107 | /** Invalidate all ITLB and DLTB entries for specified page in specified address space. |
|
- | 108 | * |
|
- | 109 | * @param asid Address Space ID. |
|
- | 110 | * @param page Page which to sweep out from ITLB and DTLB. |
|
- | 111 | */ |
|
- | 112 | void tlb_invalidate_page(asid_t asid, __address page) |
|
- | 113 | { |
|
- | 114 | /* TODO: write asid to some Context register and encode the register in second parameter below. */ |
|
- | 115 | itlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, page); |
|
- | 116 | dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, page); |
|
- | 117 | } |
|
63 | 118 |