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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jakub Jermar |
2 | * Copyright (c) 2008 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 ia32mm |
29 | /** @addtogroup ia32mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | * @ingroup ia32mm, amd64mm |
33 | * @ingroup ia32mm, amd64mm |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #include <mm/frame.h> |
36 | #include <mm/frame.h> |
37 | #include <arch/mm/frame.h> |
37 | #include <arch/mm/frame.h> |
38 | #include <mm/as.h> |
38 | #include <mm/as.h> |
39 | #include <config.h> |
39 | #include <config.h> |
40 | #include <arch/boot/boot.h> |
40 | #include <arch/boot/boot.h> |
41 | #include <arch/boot/memmap.h> |
41 | #include <arch/boot/memmap.h> |
42 | #include <panic.h> |
42 | #include <panic.h> |
43 | #include <debug.h> |
43 | #include <debug.h> |
44 | #include <align.h> |
44 | #include <align.h> |
45 | #include <macros.h> |
45 | #include <macros.h> |
46 | 46 | ||
47 | #include <print.h> |
47 | #include <print.h> |
48 | 48 | ||
49 | size_t hardcoded_unmapped_ktext_size = 0; |
49 | size_t hardcoded_unmapped_ktext_size = 0; |
50 | size_t hardcoded_unmapped_kdata_size = 0; |
50 | size_t hardcoded_unmapped_kdata_size = 0; |
51 | 51 | ||
52 | uintptr_t last_frame = 0; |
52 | uintptr_t last_frame = 0; |
53 | uintptr_t end_frame = 0; |
- | |
54 | 53 | ||
55 | static void init_e820_memory(pfn_t minconf) |
54 | static void init_e820_memory(pfn_t minconf) |
56 | { |
55 | { |
57 | unsigned int i; |
56 | unsigned int i; |
58 | pfn_t start, conf; |
- | |
59 | size_t size; |
- | |
60 | - | ||
61 | for (i = 0; i < e820counter; i++) { |
57 | for (i = 0; i < e820counter; i++) { |
- | 58 | uint64_t base = e820table[i].base_address; |
|
- | 59 | uint64_t size = e820table[i].size; |
|
- | 60 | ||
- | 61 | #ifdef __32_BITS__ |
|
- | 62 | ||
- | 63 | /* Ignore physical memory above 4 GB */ |
|
- | 64 | if ((base >> 32) != 0) |
|
- | 65 | continue; |
|
- | 66 | ||
- | 67 | /* Clip regions above 4 GB */ |
|
- | 68 | if (((base + size) >> 32) != 0) |
|
- | 69 | size = 0xffffffff - base; |
|
- | 70 | ||
- | 71 | #endif |
|
- | 72 | pfn_t pfn; |
|
- | 73 | count_t count; |
|
- | 74 | ||
62 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
75 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
- | 76 | /* To be safe, make available zone possibly smaller */ |
|
63 | start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE)); |
77 | pfn = ADDR2PFN(ALIGN_UP(base, FRAME_SIZE)); |
64 | size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE)); |
78 | count = SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)); |
65 | 79 | ||
- | 80 | pfn_t conf; |
|
66 | if ((minconf < start) || (minconf >= start + size)) |
81 | if ((minconf < pfn) || (minconf >= pfn + count)) |
67 | conf = start; |
82 | conf = pfn; |
68 | else |
83 | else |
69 | conf = minconf; |
84 | conf = minconf; |
70 | 85 | ||
71 | zone_create(start, size, conf, 0); |
86 | zone_create(pfn, count, conf, ZONE_AVAILABLE); |
72 | 87 | ||
- | 88 | // XXX this has to be removed |
|
73 | if (last_frame < ALIGN_UP(e820table[i].base_address + |
89 | if (last_frame < ALIGN_UP(base + size, FRAME_SIZE)) |
- | 90 | last_frame = ALIGN_UP(base + size, FRAME_SIZE); |
|
- | 91 | } |
|
- | 92 | ||
- | 93 | if (e820table[i].type == MEMMAP_MEMORY_RESERVED) { |
|
- | 94 | /* To be safe, make reserved zone possibly larger */ |
|
- | 95 | pfn = ADDR2PFN(ALIGN_DOWN(base, FRAME_SIZE)); |
|
74 | e820table[i].size, FRAME_SIZE)) |
96 | count = SIZE2FRAMES(ALIGN_UP(size, FRAME_SIZE)); |
75 | last_frame = |
97 | |
- | 98 | zone_create(pfn, count, 0, ZONE_RESERVED); |
|
- | 99 | } |
|
- | 100 | ||
- | 101 | if (e820table[i].type == MEMMAP_MEMORY_ACPI) { |
|
- | 102 | /* To be safe, make firmware zone possibly larger */ |
|
76 | ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
103 | pfn = ADDR2PFN(ALIGN_DOWN(base, (uintptr_t) FRAME_SIZE)); |
- | 104 | count = SIZE2FRAMES(ALIGN_UP(size, (uintptr_t) FRAME_SIZE)); |
|
- | 105 | ||
- | 106 | zone_create(pfn, count, 0, ZONE_FIRMWARE); |
|
77 | } |
107 | } |
78 | } |
108 | } |
79 | - | ||
80 | end_frame = last_frame; |
- | |
81 | } |
109 | } |
82 | 110 | ||
83 | static char *e820names[] = { |
111 | static char *e820names[] = { |
84 | "invalid", |
112 | "invalid", |
85 | "available", |
113 | "available", |
86 | "reserved", |
114 | "reserved", |
87 | "acpi", |
115 | "acpi", |
88 | "nvs", |
116 | "nvs", |
89 | "unusable" |
117 | "unusable" |
90 | }; |
118 | }; |
91 | 119 | ||
92 | 120 | ||
93 | void physmem_print(void) |
121 | void physmem_print(void) |
94 | { |
122 | { |
95 | unsigned int i; |
123 | unsigned int i; |
96 | char *name; |
124 | char *name; |
97 | 125 | ||
98 | printf("Base Size Name\n"); |
126 | printf("Base Size Name\n"); |
99 | printf("------------------ ------------------ ---------\n"); |
127 | printf("------------------ ------------------ ---------\n"); |
100 | 128 | ||
101 | for (i = 0; i < e820counter; i++) { |
129 | for (i = 0; i < e820counter; i++) { |
102 | if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
130 | if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
103 | name = e820names[e820table[i].type]; |
131 | name = e820names[e820table[i].type]; |
104 | else |
132 | else |
105 | name = "invalid"; |
133 | name = "invalid"; |
106 | 134 | ||
107 | printf("%#18llx %#18llx %s\n", e820table[i].base_address, |
135 | printf("%#18llx %#18llx %s\n", e820table[i].base_address, |
108 | e820table[i].size, name); |
136 | e820table[i].size, name); |
109 | } |
137 | } |
110 | } |
138 | } |
111 | 139 | ||
112 | 140 | ||
113 | void frame_arch_init(void) |
141 | void frame_arch_init(void) |
114 | { |
142 | { |
115 | pfn_t minconf; |
143 | pfn_t minconf; |
116 | 144 | ||
117 | if (config.cpu_active == 1) { |
145 | if (config.cpu_active == 1) { |
118 | minconf = 1; |
146 | minconf = 1; |
119 | 147 | ||
120 | #ifdef CONFIG_SMP |
148 | #ifdef CONFIG_SMP |
121 | minconf = max(minconf, |
149 | minconf = max(minconf, |
122 | ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size + |
150 | ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size + |
123 | hardcoded_unmapped_kdata_size)); |
151 | hardcoded_unmapped_kdata_size)); |
124 | #endif |
152 | #endif |
125 | init_e820_memory(minconf); |
153 | init_e820_memory(minconf); |
126 | 154 | ||
127 | /* Reserve frame 0 (BIOS data) */ |
155 | /* Reserve frame 0 (BIOS data) */ |
128 | frame_mark_unavailable(0, 1); |
156 | frame_mark_unavailable(0, 1); |
129 | 157 | ||
130 | #ifdef CONFIG_SMP |
158 | #ifdef CONFIG_SMP |
131 | /* Reserve AP real mode bootstrap memory */ |
159 | /* Reserve AP real mode bootstrap memory */ |
132 | frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
160 | frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
133 | (hardcoded_unmapped_ktext_size + |
161 | (hardcoded_unmapped_ktext_size + |
134 | hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
162 | hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
135 | #endif |
163 | #endif |
136 | } |
164 | } |
137 | } |
165 | } |
138 | 166 | ||
139 | /** @} |
167 | /** @} |
140 | */ |
168 | */ |
141 | 169 |