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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 | #include <arch/types.h> |
29 | #include <arch/types.h> |
30 | #include <typedefs.h> |
30 | #include <typedefs.h> |
31 | #include <arch/acpi/acpi.h> |
31 | #include <arch/acpi/acpi.h> |
32 | #include <arch/acpi/madt.h> |
32 | #include <arch/acpi/madt.h> |
33 | #include <arch/smp/apic.h> |
33 | #include <arch/smp/apic.h> |
34 | #include <arch/smp/smp.h> |
34 | #include <arch/smp/smp.h> |
35 | #include <panic.h> |
35 | #include <panic.h> |
36 | #include <debug.h> |
36 | #include <debug.h> |
37 | #include <config.h> |
37 | #include <config.h> |
38 | #include <print.h> |
38 | #include <print.h> |
39 | #include <mm/heap.h> |
39 | #include <mm/heap.h> |
40 | #include <memstr.h> |
40 | #include <memstr.h> |
41 | 41 | ||
42 | struct acpi_madt *acpi_madt = NULL; |
42 | struct acpi_madt *acpi_madt = NULL; |
43 | 43 | ||
44 | #ifdef __SMP__ |
44 | #ifdef __SMP__ |
45 | 45 | ||
46 | static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index); |
46 | static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index); |
47 | static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index); |
47 | static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index); |
48 | 48 | ||
49 | struct madt_l_apic *madt_l_apic_entries = NULL; |
49 | struct madt_l_apic *madt_l_apic_entries = NULL; |
50 | struct madt_io_apic *madt_io_apic_entries = NULL; |
50 | struct madt_io_apic *madt_io_apic_entries = NULL; |
51 | 51 | ||
52 | __u32 madt_l_apic_entry_index = 0; |
52 | __u32 madt_l_apic_entry_index = 0; |
53 | __u32 madt_io_apic_entry_index = 0; |
53 | __u32 madt_io_apic_entry_index = 0; |
54 | int madt_l_apic_entry_cnt = 0; |
54 | int madt_l_apic_entry_cnt = 0; |
55 | int madt_io_apic_entry_cnt = 0; |
55 | int madt_io_apic_entry_cnt = 0; |
56 | 56 | ||
57 | struct madt_apic_header * * madt_entries_index = NULL; |
57 | struct madt_apic_header * * madt_entries_index = NULL; |
58 | int madt_entries_index_cnt = 0; |
58 | int madt_entries_index_cnt = 0; |
59 | 59 | ||
60 | char *entry[] = { |
60 | char *entry[] = { |
61 | "L_APIC", |
61 | "L_APIC", |
62 | "IO_APIC", |
62 | "IO_APIC", |
63 | "INTR_SRC_OVRD", |
63 | "INTR_SRC_OVRD", |
64 | "NMI_SRC", |
64 | "NMI_SRC", |
65 | "L_APIC_NMI", |
65 | "L_APIC_NMI", |
66 | "L_APIC_ADDR_OVRD", |
66 | "L_APIC_ADDR_OVRD", |
67 | "IO_SAPIC", |
67 | "IO_SAPIC", |
68 | "L_SAPIC", |
68 | "L_SAPIC", |
69 | "PLATFORM_INTR_SRC" |
69 | "PLATFORM_INTR_SRC" |
70 | }; |
70 | }; |
71 | 71 | ||
72 | /* |
72 | /* |
73 | * ACPI MADT Implementation of SMP configuration interface. |
73 | * ACPI MADT Implementation of SMP configuration interface. |
74 | */ |
74 | */ |
75 | static count_t madt_cpu_count(void); |
75 | static count_t madt_cpu_count(void); |
76 | static bool madt_cpu_enabled(index_t i); |
76 | static bool madt_cpu_enabled(index_t i); |
77 | static bool madt_cpu_bootstrap(index_t i); |
77 | static bool madt_cpu_bootstrap(index_t i); |
78 | static __u8 madt_cpu_apic_id(index_t i); |
78 | static __u8 madt_cpu_apic_id(index_t i); |
79 | 79 | ||
80 | struct smp_config_operations madt_config_operations = { |
80 | struct smp_config_operations madt_config_operations = { |
81 | .cpu_count = madt_cpu_count, |
81 | .cpu_count = madt_cpu_count, |
82 | .cpu_enabled = madt_cpu_enabled, |
82 | .cpu_enabled = madt_cpu_enabled, |
83 | .cpu_bootstrap = madt_cpu_bootstrap, |
83 | .cpu_bootstrap = madt_cpu_bootstrap, |
84 | .cpu_apic_id = madt_cpu_apic_id |
84 | .cpu_apic_id = madt_cpu_apic_id |
85 | }; |
85 | }; |
86 | 86 | ||
87 | static count_t madt_cpu_count(void) |
87 | static count_t madt_cpu_count(void) |
88 | { |
88 | { |
89 | return madt_l_apic_entry_cnt; |
89 | return madt_l_apic_entry_cnt; |
90 | } |
90 | } |
91 | 91 | ||
92 | static bool madt_cpu_enabled(index_t i) |
92 | static bool madt_cpu_enabled(index_t i) |
93 | { |
93 | { |
94 | ASSERT(i < madt_l_apic_entry_cnt); |
94 | ASSERT(i < madt_l_apic_entry_cnt); |
95 | return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1; |
95 | return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1; |
96 | 96 | ||
97 | } |
97 | } |
98 | 98 | ||
99 | static bool madt_cpu_bootstrap(index_t i) |
99 | static bool madt_cpu_bootstrap(index_t i) |
100 | { |
100 | { |
101 | ASSERT(i < madt_l_apic_entry_cnt); |
101 | ASSERT(i < madt_l_apic_entry_cnt); |
102 | return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id(); |
102 | return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id(); |
103 | } |
103 | } |
104 | 104 | ||
105 | static __u8 madt_cpu_apic_id(index_t i) |
105 | static __u8 madt_cpu_apic_id(index_t i) |
106 | { |
106 | { |
107 | ASSERT(i < madt_l_apic_entry_cnt); |
107 | ASSERT(i < madt_l_apic_entry_cnt); |
108 | return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id; |
108 | return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id; |
109 | } |
109 | } |
110 | 110 | ||
111 | void acpi_madt_parse(void) |
111 | void acpi_madt_parse(void) |
112 | { |
112 | { |
113 | struct madt_apic_header *end = (struct madt_apic_header *) (((__u8 *) acpi_madt) + acpi_madt->header.length); |
113 | struct madt_apic_header *end = (struct madt_apic_header *) (((__u8 *) acpi_madt) + acpi_madt->header.length); |
114 | struct madt_apic_header *h; |
114 | struct madt_apic_header *h; |
- | 115 | ||
- | 116 | l_apic = (__u32 *) (__native) acpi_madt->l_apic_address; |
|
115 | 117 | ||
116 | /* calculate madt entries */ |
118 | /* calculate madt entries */ |
117 | for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((__u8 *) h) + h->length)) { |
119 | for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((__u8 *) h) + h->length)) { |
118 | madt_entries_index_cnt++; |
120 | madt_entries_index_cnt++; |
119 | } |
121 | } |
120 | printf("MADT: Found %d entries\n", madt_entries_index_cnt); |
122 | printf("MADT: Found %d entries\n", madt_entries_index_cnt); |
121 | 123 | ||
122 | /* create madt apic entries index array */ |
124 | /* create madt apic entries index array */ |
123 | madt_entries_index = (struct madt_apic_header * *) malloc(madt_entries_index_cnt * sizeof(struct madt_apic_header * *)); |
125 | madt_entries_index = (struct madt_apic_header * *) malloc(madt_entries_index_cnt * sizeof(struct madt_apic_header * *)); |
124 | 126 | ||
125 | __u32 index = 0; |
127 | __u32 index = 0; |
126 | 128 | ||
127 | for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((__u8 *) h) + h->length)) { |
129 | for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((__u8 *) h) + h->length)) { |
128 | madt_entries_index[index++] = h; |
130 | madt_entries_index[index++] = h; |
129 | } |
131 | } |
130 | 132 | ||
131 | 133 | ||
132 | /* Bublesort madt index. Quicksort later. */ |
134 | /* Bublesort madt index. Quicksort later. */ |
133 | bool done = false; |
135 | bool done = false; |
134 | 136 | ||
135 | while (!done) { |
137 | while (!done) { |
136 | done = true; |
138 | done = true; |
137 | for (index = 0; index < madt_entries_index_cnt - 1; index++) { |
139 | for (index = 0; index < madt_entries_index_cnt - 1; index++) { |
138 | if (madt_entries_index[index]->type > madt_entries_index[index + 1]->type) { |
140 | if (madt_entries_index[index]->type > madt_entries_index[index + 1]->type) { |
139 | h = madt_entries_index[index]; |
141 | h = madt_entries_index[index]; |
140 | madt_entries_index[index] = madt_entries_index[index + 1]; |
142 | madt_entries_index[index] = madt_entries_index[index + 1]; |
141 | madt_entries_index[index + 1] = h; |
143 | madt_entries_index[index + 1] = h; |
142 | done = false; |
144 | done = false; |
143 | } |
145 | } |
144 | } |
146 | } |
145 | 147 | ||
146 | } |
148 | } |
147 | 149 | ||
148 | 150 | ||
149 | /* Parse MADT entries */ |
151 | /* Parse MADT entries */ |
150 | for (index = 0; index < madt_entries_index_cnt - 1; index++) { |
152 | for (index = 0; index < madt_entries_index_cnt - 1; index++) { |
151 | h = madt_entries_index[index]; |
153 | h = madt_entries_index[index]; |
152 | switch (h->type) { |
154 | switch (h->type) { |
153 | case MADT_L_APIC: |
155 | case MADT_L_APIC: |
154 | madt_l_apic_entry((struct madt_l_apic *) h, index); |
156 | madt_l_apic_entry((struct madt_l_apic *) h, index); |
155 | break; |
157 | break; |
156 | case MADT_IO_APIC: |
158 | case MADT_IO_APIC: |
157 | madt_io_apic_entry((struct madt_io_apic *) h, index); |
159 | madt_io_apic_entry((struct madt_io_apic *) h, index); |
158 | break; |
160 | break; |
159 | case MADT_INTR_SRC_OVRD: |
161 | case MADT_INTR_SRC_OVRD: |
160 | case MADT_NMI_SRC: |
162 | case MADT_NMI_SRC: |
161 | case MADT_L_APIC_NMI: |
163 | case MADT_L_APIC_NMI: |
162 | case MADT_L_APIC_ADDR_OVRD: |
164 | case MADT_L_APIC_ADDR_OVRD: |
163 | case MADT_IO_SAPIC: |
165 | case MADT_IO_SAPIC: |
164 | case MADT_L_SAPIC: |
166 | case MADT_L_SAPIC: |
165 | case MADT_PLATFORM_INTR_SRC: |
167 | case MADT_PLATFORM_INTR_SRC: |
166 | printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type); |
168 | printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type); |
167 | break; |
169 | break; |
168 | 170 | ||
169 | default: |
171 | default: |
170 | if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) { |
172 | if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) { |
171 | printf("MADT: skipping reserved entry (type=%d)\n", h->type); |
173 | printf("MADT: skipping reserved entry (type=%d)\n", h->type); |
172 | } |
174 | } |
173 | if (h->type >= MADT_RESERVED_OEM_BEGIN) { |
175 | if (h->type >= MADT_RESERVED_OEM_BEGIN) { |
174 | printf("MADT: skipping OEM entry (type=%d)\n", h->type); |
176 | printf("MADT: skipping OEM entry (type=%d)\n", h->type); |
175 | } |
177 | } |
176 | break; |
178 | break; |
177 | } |
179 | } |
178 | 180 | ||
179 | 181 | ||
180 | } |
182 | } |
181 | 183 | ||
182 | 184 | ||
183 | if (madt_l_apic_entry_cnt) |
185 | if (madt_l_apic_entry_cnt) |
184 | config.cpu_count = madt_l_apic_entry_cnt; |
186 | config.cpu_count = madt_l_apic_entry_cnt; |
185 | } |
187 | } |
186 | 188 | ||
187 | 189 | ||
188 | void madt_l_apic_entry(struct madt_l_apic *la, __u32 index) |
190 | void madt_l_apic_entry(struct madt_l_apic *la, __u32 index) |
189 | { |
191 | { |
190 | if (!madt_l_apic_entry_cnt++) { |
192 | if (!madt_l_apic_entry_cnt++) { |
191 | madt_l_apic_entry_index = index; |
193 | madt_l_apic_entry_index = index; |
192 | } |
194 | } |
193 | 195 | ||
194 | if (!(la->flags & 0x1)) { |
196 | if (!(la->flags & 0x1)) { |
195 | /* Processor is unusable, skip it. */ |
197 | /* Processor is unusable, skip it. */ |
196 | return; |
198 | return; |
197 | } |
199 | } |
198 | 200 | ||
199 | apic_id_mask |= 1<<la->apic_id; |
201 | apic_id_mask |= 1<<la->apic_id; |
200 | } |
202 | } |
201 | 203 | ||
202 | void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index) |
204 | void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index) |
203 | { |
205 | { |
204 | if (!madt_io_apic_entry_cnt++) { |
206 | if (!madt_io_apic_entry_cnt++) { |
205 | /* remember index of the first io apic entry */ |
207 | /* remember index of the first io apic entry */ |
206 | madt_io_apic_entry_index = index; |
208 | madt_io_apic_entry_index = index; |
207 | /* ????!!!! */ |
- | |
208 | io_apic = (__u32 *) (__native) ioa->io_apic_address; |
209 | io_apic = (__u32 *) (__native) ioa->io_apic_address; |
209 | } else { |
210 | } else { |
210 | /* currently not supported */ |
211 | /* currently not supported */ |
211 | return; |
212 | return; |
212 | } |
213 | } |
213 | } |
214 | } |
214 | 215 | ||
215 | 216 | ||
216 | #endif /* __SMP__ */ |
217 | #endif /* __SMP__ */ |
217 | 218 |