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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 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 | #include <arch/mm/frame.h> |
29 | #include <arch/mm/frame.h> |
- | 30 | #include <arch/boot/memmap.h> |
|
30 | #include <arch/mm/memory_init.h> |
31 | #include <arch/mm/memory_init.h> |
31 | #include <mm/frame.h> |
32 | #include <mm/frame.h> |
- | 33 | #include <align.h> |
|
- | 34 | #include <macros.h> |
|
- | 35 | ||
- | 36 | __address last_frame = 0; |
|
32 | 37 | ||
33 | void frame_arch_init(void) |
38 | void frame_arch_init(void) |
34 | { |
39 | { |
- | 40 | pfn_t minconf = 2; |
|
- | 41 | count_t i; |
|
- | 42 | pfn_t start, conf; |
|
- | 43 | size_t size; |
|
- | 44 | ||
- | 45 | for (i = 0; i < memmap.count; i++) { |
|
- | 46 | start = ADDR2PFN(ALIGN_UP(memmap.zones[i].start, FRAME_SIZE)); |
|
- | 47 | size = SIZE2FRAMES(ALIGN_DOWN(memmap.zones[i].size, FRAME_SIZE)); |
|
- | 48 | ||
- | 49 | if ((minconf < start) || (minconf >= start + size)) |
|
- | 50 | conf = start; |
|
- | 51 | else |
|
- | 52 | conf = minconf; |
|
- | 53 | ||
- | 54 | zone_create(start, size, conf, 0); |
|
- | 55 | if (last_frame < ALIGN_UP(memmap.zones[i].start + memmap.zones[i].size, FRAME_SIZE)) |
|
- | 56 | last_frame = ALIGN_UP(memmap.zones[i].start + memmap.zones[i].size, FRAME_SIZE); |
|
- | 57 | } |
|
- | 58 | ||
35 | /* First is exception vector, second is 'implementation specific' */ |
59 | /* First is exception vector, second is 'implementation specific' */ |
36 | frame_mark_unavailable(0, 2); |
60 | frame_mark_unavailable(0, 2); |
- | 61 | ||
- | 62 | /* Merge all zones to 1 big zone */ |
|
- | 63 | zone_merge_all(); |
|
37 | } |
64 | } |
38 | 65 |