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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 ia64mm |
29 | /** @addtogroup ia64mm |
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 <mm/frame.h> |
36 | #include <mm/frame.h> |
37 | #include <config.h> |
37 | #include <config.h> |
38 | #include <panic.h> |
38 | #include <panic.h> |
39 | #include <arch/bootinfo.h> |
39 | #include <arch/bootinfo.h> |
40 | #include <align.h> |
40 | #include <align.h> |
41 | #include <macros.h> |
41 | #include <macros.h> |
42 | 42 | ||
43 | #define KERNEL_RESERVED_AREA_BASE (0x4400000) |
43 | #define KERNEL_RESERVED_AREA_BASE (0x4400000) |
44 | #define KERNEL_RESERVED_AREA_SIZE (16 * 1024 * 1024) |
44 | #define KERNEL_RESERVED_AREA_SIZE (16 * 1024 * 1024) |
45 | 45 | ||
46 | #define ROM_BASE 0xa0000 /* for simulators */ |
46 | #define ROM_BASE 0xa0000 /* for simulators */ |
47 | #define ROM_SIZE (384 * 1024) /* for simulators */ |
47 | #define ROM_SIZE (384 * 1024) /* for simulators */ |
48 | 48 | ||
49 | #define MIN_ZONE_SIZE (64 * 1024) |
49 | #define MIN_ZONE_SIZE (64 * 1024) |
50 | 50 | ||
51 | #define MINCONF 1 |
51 | #define MINCONF 1 |
52 | 52 | ||
53 | uintptr_t last_frame = 0; |
53 | uintptr_t last_frame = 0; |
54 | uintptr_t end_frame = 0; |
- | |
55 | 54 | ||
56 | void frame_arch_init(void) |
55 | void frame_arch_init(void) |
57 | { |
56 | { |
58 | if (config.cpu_active == 1) { |
57 | if (config.cpu_active == 1) { |
59 | unsigned int i; |
58 | unsigned int i; |
60 | for (i = 0; i < bootinfo->memmap_items; i++) { |
59 | for (i = 0; i < bootinfo->memmap_items; i++) { |
61 | if (bootinfo->memmap[i].type == EFI_MEMMAP_FREE_MEM) { |
60 | if (bootinfo->memmap[i].type == EFI_MEMMAP_FREE_MEM) { |
62 | uint64_t base = bootinfo->memmap[i].base; |
61 | uint64_t base = bootinfo->memmap[i].base; |
63 | uint64_t size = bootinfo->memmap[i].size; |
62 | uint64_t size = bootinfo->memmap[i].size; |
64 | uint64_t abase = ALIGN_UP(base, FRAME_SIZE); |
63 | uint64_t abase = ALIGN_UP(base, FRAME_SIZE); |
65 | 64 | ||
66 | if (size > FRAME_SIZE) |
65 | if (size > FRAME_SIZE) |
67 | size -= abase - base; |
66 | size -= abase - base; |
68 | 67 | ||
69 | if (size > MIN_ZONE_SIZE) { |
68 | if (size > MIN_ZONE_SIZE) { |
70 | zone_create(abase >> FRAME_WIDTH, |
69 | zone_create(abase >> FRAME_WIDTH, |
71 | size >> FRAME_WIDTH, |
70 | size >> FRAME_WIDTH, |
72 | max(MINCONF, abase >> FRAME_WIDTH), |
71 | max(MINCONF, abase >> FRAME_WIDTH), |
73 | 0); |
72 | 0); |
74 | } |
73 | } |
75 | if (abase + size > last_frame) |
74 | if (abase + size > last_frame) |
76 | last_frame = abase + size; |
75 | last_frame = abase + size; |
77 | } |
76 | } |
78 | } |
77 | } |
79 | 78 | ||
80 | /* |
79 | /* |
81 | * Blacklist ROM regions. |
80 | * Blacklist ROM regions. |
82 | */ |
81 | */ |
83 | frame_mark_unavailable(ADDR2PFN(ROM_BASE), |
82 | frame_mark_unavailable(ADDR2PFN(ROM_BASE), |
84 | SIZE2FRAMES(ROM_SIZE)); |
83 | SIZE2FRAMES(ROM_SIZE)); |
85 | 84 | ||
86 | frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), |
85 | frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), |
87 | SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE)); |
86 | SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE)); |
88 | } |
87 | } |
89 | } |
88 | } |
90 | 89 | ||
91 | /** @} |
90 | /** @} |
92 | */ |
91 | */ |
93 | 92 |