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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 | /** @addtogroup ppc32mm |
29 | /** @addtogroup ppc32mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/boot/boot.h> |
35 | #include <arch/boot/boot.h> |
36 | #include <arch/mm/frame.h> |
36 | #include <arch/mm/frame.h> |
37 | #include <mm/frame.h> |
37 | #include <mm/frame.h> |
38 | #include <align.h> |
38 | #include <align.h> |
39 | #include <macros.h> |
39 | #include <macros.h> |
40 | #include <print.h> |
40 | #include <print.h> |
41 | 41 | ||
42 | uintptr_t last_frame = 0; |
42 | uintptr_t last_frame = 0; |
43 | 43 | ||
44 | void physmem_print(void) |
44 | void physmem_print(void) |
45 | { |
45 | { |
46 | unsigned int i; |
46 | unsigned int i; |
47 | 47 | ||
48 | printf("Base Size\n"); |
48 | printf("Base Size\n"); |
49 | printf("---------- ----------\n"); |
49 | printf("---------- ----------\n"); |
50 | 50 | ||
51 | for (i = 0; i < bootinfo.memmap.count; i++) { |
51 | for (i = 0; i < bootinfo.memmap.count; i++) { |
52 | printf("%#10x %#10x\n", bootinfo.memmap.zones[i].start, |
52 | printf("%#10x %#10x\n", bootinfo.memmap.zones[i].start, |
53 | bootinfo.memmap.zones[i].size); |
53 | bootinfo.memmap.zones[i].size); |
54 | } |
54 | } |
55 | } |
55 | } |
56 | 56 | ||
57 | void frame_arch_init(void) |
57 | void frame_arch_init(void) |
58 | { |
58 | { |
59 | pfn_t minconf = 2; |
59 | pfn_t minconf = 2; |
60 | size_t i; |
60 | size_t i; |
61 | pfn_t start, conf; |
61 | pfn_t start, conf; |
62 | size_t size; |
62 | size_t size; |
63 | 63 | ||
64 | for (i = 0; i < bootinfo.memmap.count; i++) { |
64 | for (i = 0; i < bootinfo.memmap.count; i++) { |
65 | start = ADDR2PFN(ALIGN_UP(bootinfo.memmap.zones[i].start, FRAME_SIZE)); |
65 | start = ADDR2PFN(ALIGN_UP(bootinfo.memmap.zones[i].start, FRAME_SIZE)); |
66 | size = SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, FRAME_SIZE)); |
66 | size = SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, FRAME_SIZE)); |
67 | 67 | ||
68 | if ((minconf < start) || (minconf >= start + size)) |
68 | if ((minconf < start) || (minconf >= start + size)) |
69 | conf = start; |
69 | conf = start; |
70 | else |
70 | else |
71 | conf = minconf; |
71 | conf = minconf; |
72 | 72 | ||
73 | zone_create(start, size, conf, 0); |
73 | zone_create(start, size, conf, 0); |
74 | if (last_frame < ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE)) |
74 | if (last_frame < ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE)) |
75 | last_frame = ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE); |
75 | last_frame = ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE); |
76 | } |
76 | } |
77 | 77 | ||
78 | /* First is exception vector, second is 'implementation specific', |
78 | /* First is exception vector, second is 'implementation specific', |
79 | third and fourth is reserved, other contain real mode code */ |
79 | third and fourth is reserved, other contain real mode code */ |
80 | frame_mark_unavailable(0, 8); |
80 | frame_mark_unavailable(0, 8); |
81 | 81 | ||
82 | /* Mark the Page Hash Table frames as unavailable */ |
82 | /* Mark the Page Hash Table frames as unavailable */ |
83 | uint32_t sdr1; |
83 | uint32_t sdr1; |
84 | asm volatile ( |
84 | asm volatile ( |
85 | "mfsdr1 %0\n" |
85 | "mfsdr1 %0\n" |
86 | : "=r" (sdr1) |
86 | : "=r" (sdr1) |
87 | ); |
87 | ); |
88 | frame_mark_unavailable(ADDR2PFN(sdr1 & 0xffff000), 16); // FIXME |
88 | frame_mark_unavailable(ADDR2PFN(sdr1 & 0xffff000), 16); // FIXME |
89 | } |
89 | } |
90 | 90 | ||
91 | /** @} |
91 | /** @} |
92 | */ |
92 | */ |
93 | 93 |