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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; |
|
53 | 54 | ||
54 | static void init_e820_memory(pfn_t minconf) |
55 | static void init_e820_memory(pfn_t minconf) |
55 | { |
56 | { |
56 | unsigned int i; |
57 | unsigned int i; |
57 | pfn_t start, conf; |
58 | pfn_t start, conf; |
58 | size_t size; |
59 | size_t size; |
59 | 60 | ||
60 | for (i = 0; i < e820counter; i++) { |
61 | for (i = 0; i < e820counter; i++) { |
61 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
62 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
62 | start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE)); |
63 | start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE)); |
63 | size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE)); |
64 | size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE)); |
64 | 65 | ||
65 | if ((minconf < start) || (minconf >= start + size)) |
66 | if ((minconf < start) || (minconf >= start + size)) |
66 | conf = start; |
67 | conf = start; |
67 | else |
68 | else |
68 | conf = minconf; |
69 | conf = minconf; |
69 | 70 | ||
70 | zone_create(start, size, conf, 0); |
71 | zone_create(start, size, conf, 0); |
71 | 72 | ||
72 | if (last_frame < ALIGN_UP(e820table[i].base_address + |
73 | if (last_frame < ALIGN_UP(e820table[i].base_address + |
73 | e820table[i].size, FRAME_SIZE)) |
74 | e820table[i].size, FRAME_SIZE)) |
74 | last_frame = |
75 | last_frame = |
75 | ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
76 | ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
76 | } |
77 | } |
77 | } |
78 | } |
- | 79 | ||
- | 80 | end_frame = last_frame; |
|
78 | } |
81 | } |
79 | 82 | ||
80 | static char *e820names[] = { |
83 | static char *e820names[] = { |
81 | "invalid", |
84 | "invalid", |
82 | "available", |
85 | "available", |
83 | "reserved", |
86 | "reserved", |
84 | "acpi", |
87 | "acpi", |
85 | "nvs", |
88 | "nvs", |
86 | "unusable" |
89 | "unusable" |
87 | }; |
90 | }; |
88 | 91 | ||
89 | 92 | ||
90 | void physmem_print(void) |
93 | void physmem_print(void) |
91 | { |
94 | { |
92 | unsigned int i; |
95 | unsigned int i; |
93 | char *name; |
96 | char *name; |
94 | 97 | ||
95 | printf("Base Size Name\n"); |
98 | printf("Base Size Name\n"); |
96 | printf("------------------ ------------------ ---------\n"); |
99 | printf("------------------ ------------------ ---------\n"); |
97 | 100 | ||
98 | for (i = 0; i < e820counter; i++) { |
101 | for (i = 0; i < e820counter; i++) { |
99 | if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
102 | if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
100 | name = e820names[e820table[i].type]; |
103 | name = e820names[e820table[i].type]; |
101 | else |
104 | else |
102 | name = "invalid"; |
105 | name = "invalid"; |
103 | 106 | ||
104 | printf("%#18llx %#18llx %s\n", e820table[i].base_address, |
107 | printf("%#18llx %#18llx %s\n", e820table[i].base_address, |
105 | e820table[i].size, name); |
108 | e820table[i].size, name); |
106 | } |
109 | } |
107 | } |
110 | } |
108 | 111 | ||
109 | 112 | ||
110 | void frame_arch_init(void) |
113 | void frame_arch_init(void) |
111 | { |
114 | { |
112 | pfn_t minconf; |
115 | pfn_t minconf; |
113 | 116 | ||
114 | if (config.cpu_active == 1) { |
117 | if (config.cpu_active == 1) { |
115 | minconf = 1; |
118 | minconf = 1; |
- | 119 | ||
116 | #ifdef CONFIG_SMP |
120 | #ifdef CONFIG_SMP |
117 | minconf = max(minconf, |
121 | minconf = max(minconf, |
118 | ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size + |
122 | ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size + |
119 | hardcoded_unmapped_kdata_size)); |
123 | hardcoded_unmapped_kdata_size)); |
120 | #endif |
124 | #endif |
121 | #ifdef CONFIG_SIMICS_FIX |
- | |
122 | minconf = max(minconf, ADDR2PFN(0x10000)); |
- | |
123 | #endif |
- | |
124 | init_e820_memory(minconf); |
125 | init_e820_memory(minconf); |
125 | 126 | ||
126 | /* Reserve frame 0 (BIOS data) */ |
127 | /* Reserve frame 0 (BIOS data) */ |
127 | frame_mark_unavailable(0, 1); |
128 | frame_mark_unavailable(0, 1); |
128 | 129 | ||
129 | #ifdef CONFIG_SMP |
130 | #ifdef CONFIG_SMP |
130 | /* Reserve AP real mode bootstrap memory */ |
131 | /* Reserve AP real mode bootstrap memory */ |
131 | frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
132 | frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
132 | (hardcoded_unmapped_ktext_size + |
133 | (hardcoded_unmapped_ktext_size + |
133 | hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
134 | hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
134 | - | ||
135 | #ifdef CONFIG_SIMICS_FIX |
- | |
136 | /* Don't know why, but these addresses help */ |
- | |
137 | frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3); |
- | |
138 | #endif |
- | |
139 | #endif |
135 | #endif |
140 | } |
136 | } |
141 | } |
137 | } |
142 | 138 | ||
143 | /** @} |
139 | /** @} |
144 | */ |
140 | */ |
145 | 141 |