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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 | #include <arch/mm/frame.h> |
35 | #include <arch/mm/frame.h> |
36 | #include <genarch/ofw/memory_init.h> |
- | |
37 | #include <mm/frame.h> |
36 | #include <mm/frame.h> |
- | 37 | #include <arch/boot/boot.h> |
|
38 | #include <config.h> |
38 | #include <config.h> |
39 | #include <align.h> |
39 | #include <align.h> |
40 | 40 | ||
- | 41 | /** Create memory zones according to information stored in bootinfo. |
|
- | 42 | * |
|
- | 43 | * Walk the bootinfo memory map and create frame zones according to it. |
|
- | 44 | * The first frame is not blacklisted here as it is done in generic |
|
- | 45 | * frame_init(). |
|
- | 46 | */ |
|
41 | void frame_arch_init(void) |
47 | void frame_arch_init(void) |
42 | { |
48 | { |
- | 49 | int i; |
|
43 | ofw_init_zones(); |
50 | pfn_t confdata; |
- | 51 | ||
- | 52 | for (i = 0; i < bootinfo.memmap.count; i++) { |
|
44 | 53 | ||
45 | /* |
54 | /* |
46 | * Workaround to prevent slab allocator from allocating frame 0. |
55 | * The memmap is created by HelenOS boot loader. |
47 | * Frame 0 is |
- | |
48 | * a) not mapped by OFW |
56 | * It already contains no holes. |
49 | * b) would be confused with NULL error return code |
- | |
50 | */ |
57 | */ |
- | 58 | ||
- | 59 | confdata = ADDR2PFN(bootinfo.memmap.zones[i].start); |
|
- | 60 | if (confdata == 0) |
|
- | 61 | confdata = 2; |
|
- | 62 | zone_create(ADDR2PFN(bootinfo.memmap.zones[i].start), |
|
- | 63 | SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, PAGE_SIZE)), |
|
51 | frame_mark_unavailable(0, 1); |
64 | confdata, 0); |
- | 65 | } |
|
- | 66 | ||
52 | } |
67 | } |
53 | 68 | ||
54 | /** @} |
69 | /** @} |
55 | */ |
70 | */ |
56 | 71 |