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1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2005 Jakub Jermar |
2 | * Copyright (c) 2001-2005 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 ia32 |
29 | /** @addtogroup ia32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifdef CONFIG_SMP |
35 | #ifdef CONFIG_SMP |
36 | 36 | ||
37 | #include <config.h> |
37 | #include <config.h> |
38 | #include <print.h> |
38 | #include <print.h> |
39 | #include <debug.h> |
39 | #include <debug.h> |
40 | #include <arch/smp/mps.h> |
40 | #include <arch/smp/mps.h> |
41 | #include <arch/smp/apic.h> |
41 | #include <arch/smp/apic.h> |
42 | #include <arch/smp/smp.h> |
42 | #include <arch/smp/smp.h> |
43 | #include <func.h> |
43 | #include <func.h> |
44 | #include <arch/types.h> |
44 | #include <arch/types.h> |
45 | #include <typedefs.h> |
- | |
46 | #include <cpu.h> |
45 | #include <cpu.h> |
47 | #include <arch/asm.h> |
46 | #include <arch/asm.h> |
48 | #include <arch/bios/bios.h> |
47 | #include <arch/bios/bios.h> |
49 | #include <mm/frame.h> |
48 | #include <mm/frame.h> |
50 | 49 | ||
51 | /* |
50 | /* |
52 | * MultiProcessor Specification detection code. |
51 | * MultiProcessor Specification detection code. |
53 | */ |
52 | */ |
54 | 53 | ||
55 | #define FS_SIGNATURE 0x5f504d5f |
54 | #define FS_SIGNATURE 0x5f504d5f |
56 | #define CT_SIGNATURE 0x504d4350 |
55 | #define CT_SIGNATURE 0x504d4350 |
57 | 56 | ||
58 | int mps_fs_check(uint8_t *base); |
57 | int mps_fs_check(uint8_t *base); |
59 | int mps_ct_check(void); |
58 | int mps_ct_check(void); |
60 | 59 | ||
61 | int configure_via_ct(void); |
60 | int configure_via_ct(void); |
62 | int configure_via_default(uint8_t n); |
61 | int configure_via_default(uint8_t n); |
63 | 62 | ||
64 | int ct_processor_entry(struct __processor_entry *pr); |
63 | int ct_processor_entry(struct __processor_entry *pr); |
65 | void ct_bus_entry(struct __bus_entry *bus); |
64 | void ct_bus_entry(struct __bus_entry *bus); |
66 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
65 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
67 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
66 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
68 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
67 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
69 | 68 | ||
70 | void ct_extended_entries(void); |
69 | void ct_extended_entries(void); |
71 | 70 | ||
72 | static struct mps_fs *fs; |
71 | static struct mps_fs *fs; |
73 | static struct mps_ct *ct; |
72 | static struct mps_ct *ct; |
74 | 73 | ||
75 | struct __processor_entry *processor_entries = NULL; |
74 | struct __processor_entry *processor_entries = NULL; |
76 | struct __bus_entry *bus_entries = NULL; |
75 | struct __bus_entry *bus_entries = NULL; |
77 | struct __io_apic_entry *io_apic_entries = NULL; |
76 | struct __io_apic_entry *io_apic_entries = NULL; |
78 | struct __io_intr_entry *io_intr_entries = NULL; |
77 | struct __io_intr_entry *io_intr_entries = NULL; |
79 | struct __l_intr_entry *l_intr_entries = NULL; |
78 | struct __l_intr_entry *l_intr_entries = NULL; |
80 | 79 | ||
81 | int processor_entry_cnt = 0; |
80 | int processor_entry_cnt = 0; |
82 | int bus_entry_cnt = 0; |
81 | int bus_entry_cnt = 0; |
83 | int io_apic_entry_cnt = 0; |
82 | int io_apic_entry_cnt = 0; |
84 | int io_intr_entry_cnt = 0; |
83 | int io_intr_entry_cnt = 0; |
85 | int l_intr_entry_cnt = 0; |
84 | int l_intr_entry_cnt = 0; |
86 | 85 | ||
87 | /* |
86 | /* |
88 | * Implementation of IA-32 SMP configuration interface. |
87 | * Implementation of IA-32 SMP configuration interface. |
89 | */ |
88 | */ |
90 | static count_t get_cpu_count(void); |
89 | static count_t get_cpu_count(void); |
91 | static bool is_cpu_enabled(index_t i); |
90 | static bool is_cpu_enabled(index_t i); |
92 | static bool is_bsp(index_t i); |
91 | static bool is_bsp(index_t i); |
93 | static uint8_t get_cpu_apic_id(index_t i); |
92 | static uint8_t get_cpu_apic_id(index_t i); |
94 | static int mps_irq_to_pin(int irq); |
93 | static int mps_irq_to_pin(int irq); |
95 | 94 | ||
96 | struct smp_config_operations mps_config_operations = { |
95 | struct smp_config_operations mps_config_operations = { |
97 | .cpu_count = get_cpu_count, |
96 | .cpu_count = get_cpu_count, |
98 | .cpu_enabled = is_cpu_enabled, |
97 | .cpu_enabled = is_cpu_enabled, |
99 | .cpu_bootstrap = is_bsp, |
98 | .cpu_bootstrap = is_bsp, |
100 | .cpu_apic_id = get_cpu_apic_id, |
99 | .cpu_apic_id = get_cpu_apic_id, |
101 | .irq_to_pin = mps_irq_to_pin |
100 | .irq_to_pin = mps_irq_to_pin |
102 | }; |
101 | }; |
103 | 102 | ||
104 | count_t get_cpu_count(void) |
103 | count_t get_cpu_count(void) |
105 | { |
104 | { |
106 | return processor_entry_cnt; |
105 | return processor_entry_cnt; |
107 | } |
106 | } |
108 | 107 | ||
109 | bool is_cpu_enabled(index_t i) |
108 | bool is_cpu_enabled(index_t i) |
110 | { |
109 | { |
111 | ASSERT(i < processor_entry_cnt); |
110 | ASSERT(i < processor_entry_cnt); |
112 | return processor_entries[i].cpu_flags & 0x1; |
111 | return processor_entries[i].cpu_flags & 0x1; |
113 | } |
112 | } |
114 | 113 | ||
115 | bool is_bsp(index_t i) |
114 | bool is_bsp(index_t i) |
116 | { |
115 | { |
117 | ASSERT(i < processor_entry_cnt); |
116 | ASSERT(i < processor_entry_cnt); |
118 | return processor_entries[i].cpu_flags & 0x2; |
117 | return processor_entries[i].cpu_flags & 0x2; |
119 | } |
118 | } |
120 | 119 | ||
121 | uint8_t get_cpu_apic_id(index_t i) |
120 | uint8_t get_cpu_apic_id(index_t i) |
122 | { |
121 | { |
123 | ASSERT(i < processor_entry_cnt); |
122 | ASSERT(i < processor_entry_cnt); |
124 | return processor_entries[i].l_apic_id; |
123 | return processor_entries[i].l_apic_id; |
125 | } |
124 | } |
126 | 125 | ||
127 | 126 | ||
128 | /* |
127 | /* |
129 | * Used to check the integrity of the MP Floating Structure. |
128 | * Used to check the integrity of the MP Floating Structure. |
130 | */ |
129 | */ |
131 | int mps_fs_check(uint8_t *base) |
130 | int mps_fs_check(uint8_t *base) |
132 | { |
131 | { |
133 | int i; |
132 | int i; |
134 | uint8_t sum; |
133 | uint8_t sum; |
135 | 134 | ||
136 | for (i = 0, sum = 0; i < 16; i++) |
135 | for (i = 0, sum = 0; i < 16; i++) |
137 | sum += base[i]; |
136 | sum += base[i]; |
138 | 137 | ||
139 | return !sum; |
138 | return !sum; |
140 | } |
139 | } |
141 | 140 | ||
142 | /* |
141 | /* |
143 | * Used to check the integrity of the MP Configuration Table. |
142 | * Used to check the integrity of the MP Configuration Table. |
144 | */ |
143 | */ |
145 | int mps_ct_check(void) |
144 | int mps_ct_check(void) |
146 | { |
145 | { |
147 | uint8_t *base = (uint8_t *) ct; |
146 | uint8_t *base = (uint8_t *) ct; |
148 | uint8_t *ext = base + ct->base_table_length; |
147 | uint8_t *ext = base + ct->base_table_length; |
149 | uint8_t sum; |
148 | uint8_t sum; |
150 | int i; |
149 | int i; |
151 | 150 | ||
152 | /* count the checksum for the base table */ |
151 | /* count the checksum for the base table */ |
153 | for (i=0,sum=0; i < ct->base_table_length; i++) |
152 | for (i=0,sum=0; i < ct->base_table_length; i++) |
154 | sum += base[i]; |
153 | sum += base[i]; |
155 | 154 | ||
156 | if (sum) |
155 | if (sum) |
157 | return 0; |
156 | return 0; |
158 | 157 | ||
159 | /* count the checksum for the extended table */ |
158 | /* count the checksum for the extended table */ |
160 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
159 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
161 | sum += ext[i]; |
160 | sum += ext[i]; |
162 | 161 | ||
163 | return sum == ct->ext_table_checksum; |
162 | return sum == ct->ext_table_checksum; |
164 | } |
163 | } |
165 | 164 | ||
166 | void mps_init(void) |
165 | void mps_init(void) |
167 | { |
166 | { |
168 | uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) }; |
167 | uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) }; |
169 | int i, j, length[2] = { 1024, 64*1024 }; |
168 | int i, j, length[2] = { 1024, 64*1024 }; |
170 | 169 | ||
171 | 170 | ||
172 | /* |
171 | /* |
173 | * Find MP Floating Pointer Structure |
172 | * Find MP Floating Pointer Structure |
174 | * 1a. search first 1K of EBDA |
173 | * 1a. search first 1K of EBDA |
175 | * 1b. if EBDA is undefined, search last 1K of base memory |
174 | * 1b. if EBDA is undefined, search last 1K of base memory |
176 | * 2. search 64K starting at 0xf0000 |
175 | * 2. search 64K starting at 0xf0000 |
177 | */ |
176 | */ |
178 | 177 | ||
179 | addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024); |
178 | addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024); |
180 | for (i = 0; i < 2; i++) { |
179 | for (i = 0; i < 2; i++) { |
181 | for (j = 0; j < length[i]; j += 16) { |
180 | for (j = 0; j < length[i]; j += 16) { |
182 | if (*((uint32_t *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
181 | if (*((uint32_t *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
183 | fs = (struct mps_fs *) &addr[i][j]; |
182 | fs = (struct mps_fs *) &addr[i][j]; |
184 | goto fs_found; |
183 | goto fs_found; |
185 | } |
184 | } |
186 | } |
185 | } |
187 | } |
186 | } |
188 | 187 | ||
189 | return; |
188 | return; |
190 | 189 | ||
191 | fs_found: |
190 | fs_found: |
192 | printf("%p: MPS Floating Pointer Structure\n", fs); |
191 | printf("%p: MPS Floating Pointer Structure\n", fs); |
193 | 192 | ||
194 | if (fs->config_type == 0 && fs->configuration_table) { |
193 | if (fs->config_type == 0 && fs->configuration_table) { |
195 | if (fs->mpfib2 >> 7) { |
194 | if (fs->mpfib2 >> 7) { |
196 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
195 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
197 | return; |
196 | return; |
198 | } |
197 | } |
199 | 198 | ||
200 | ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table); |
199 | ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table); |
201 | config.cpu_count = configure_via_ct(); |
200 | config.cpu_count = configure_via_ct(); |
202 | } |
201 | } |
203 | else |
202 | else |
204 | config.cpu_count = configure_via_default(fs->config_type); |
203 | config.cpu_count = configure_via_default(fs->config_type); |
205 | 204 | ||
206 | return; |
205 | return; |
207 | } |
206 | } |
208 | 207 | ||
209 | int configure_via_ct(void) |
208 | int configure_via_ct(void) |
210 | { |
209 | { |
211 | uint8_t *cur; |
210 | uint8_t *cur; |
212 | int i, cnt; |
211 | int i, cnt; |
213 | 212 | ||
214 | if (ct->signature != CT_SIGNATURE) { |
213 | if (ct->signature != CT_SIGNATURE) { |
215 | printf("%s: bad ct->signature\n", __FUNCTION__); |
214 | printf("%s: bad ct->signature\n", __FUNCTION__); |
216 | return 1; |
215 | return 1; |
217 | } |
216 | } |
218 | if (!mps_ct_check()) { |
217 | if (!mps_ct_check()) { |
219 | printf("%s: bad ct checksum\n", __FUNCTION__); |
218 | printf("%s: bad ct checksum\n", __FUNCTION__); |
220 | return 1; |
219 | return 1; |
221 | } |
220 | } |
222 | if (ct->oem_table) { |
221 | if (ct->oem_table) { |
223 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
222 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
224 | return 1; |
223 | return 1; |
225 | } |
224 | } |
226 | 225 | ||
227 | l_apic = (uint32_t *)(uintptr_t)ct->l_apic; |
226 | l_apic = (uint32_t *)(uintptr_t)ct->l_apic; |
228 | 227 | ||
229 | cnt = 0; |
228 | cnt = 0; |
230 | cur = &ct->base_table[0]; |
229 | cur = &ct->base_table[0]; |
231 | for (i=0; i < ct->entry_count; i++) { |
230 | for (i=0; i < ct->entry_count; i++) { |
232 | switch (*cur) { |
231 | switch (*cur) { |
233 | /* Processor entry */ |
232 | /* Processor entry */ |
234 | case 0: |
233 | case 0: |
235 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
234 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
236 | processor_entry_cnt++; |
235 | processor_entry_cnt++; |
237 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
236 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
238 | cur += 20; |
237 | cur += 20; |
239 | break; |
238 | break; |
240 | 239 | ||
241 | /* Bus entry */ |
240 | /* Bus entry */ |
242 | case 1: |
241 | case 1: |
243 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
242 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
244 | bus_entry_cnt++; |
243 | bus_entry_cnt++; |
245 | ct_bus_entry((struct __bus_entry *) cur); |
244 | ct_bus_entry((struct __bus_entry *) cur); |
246 | cur += 8; |
245 | cur += 8; |
247 | break; |
246 | break; |
248 | 247 | ||
249 | /* I/O Apic */ |
248 | /* I/O Apic */ |
250 | case 2: |
249 | case 2: |
251 | io_apic_entries = io_apic_entries ? io_apic_entries : (struct __io_apic_entry *) cur; |
250 | io_apic_entries = io_apic_entries ? io_apic_entries : (struct __io_apic_entry *) cur; |
252 | io_apic_entry_cnt++; |
251 | io_apic_entry_cnt++; |
253 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
252 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
254 | cur += 8; |
253 | cur += 8; |
255 | break; |
254 | break; |
256 | 255 | ||
257 | /* I/O Interrupt Assignment */ |
256 | /* I/O Interrupt Assignment */ |
258 | case 3: |
257 | case 3: |
259 | io_intr_entries = io_intr_entries ? io_intr_entries : (struct __io_intr_entry *) cur; |
258 | io_intr_entries = io_intr_entries ? io_intr_entries : (struct __io_intr_entry *) cur; |
260 | io_intr_entry_cnt++; |
259 | io_intr_entry_cnt++; |
261 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
260 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
262 | cur += 8; |
261 | cur += 8; |
263 | break; |
262 | break; |
264 | 263 | ||
265 | /* Local Interrupt Assignment */ |
264 | /* Local Interrupt Assignment */ |
266 | case 4: |
265 | case 4: |
267 | l_intr_entries = l_intr_entries ? l_intr_entries : (struct __l_intr_entry *) cur; |
266 | l_intr_entries = l_intr_entries ? l_intr_entries : (struct __l_intr_entry *) cur; |
268 | l_intr_entry_cnt++; |
267 | l_intr_entry_cnt++; |
269 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
268 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
270 | cur += 8; |
269 | cur += 8; |
271 | break; |
270 | break; |
272 | 271 | ||
273 | default: |
272 | default: |
274 | /* |
273 | /* |
275 | * Something is wrong. Fallback to UP mode. |
274 | * Something is wrong. Fallback to UP mode. |
276 | */ |
275 | */ |
277 | 276 | ||
278 | printf("%s: ct badness\n", __FUNCTION__); |
277 | printf("%s: ct badness\n", __FUNCTION__); |
279 | return 1; |
278 | return 1; |
280 | } |
279 | } |
281 | } |
280 | } |
282 | 281 | ||
283 | /* |
282 | /* |
284 | * Process extended entries. |
283 | * Process extended entries. |
285 | */ |
284 | */ |
286 | ct_extended_entries(); |
285 | ct_extended_entries(); |
287 | return cnt; |
286 | return cnt; |
288 | } |
287 | } |
289 | 288 | ||
290 | int configure_via_default(uint8_t n) |
289 | int configure_via_default(uint8_t n) |
291 | { |
290 | { |
292 | /* |
291 | /* |
293 | * Not yet implemented. |
292 | * Not yet implemented. |
294 | */ |
293 | */ |
295 | printf("%s: not supported\n", __FUNCTION__); |
294 | printf("%s: not supported\n", __FUNCTION__); |
296 | return 1; |
295 | return 1; |
297 | } |
296 | } |
298 | 297 | ||
299 | 298 | ||
300 | int ct_processor_entry(struct __processor_entry *pr) |
299 | int ct_processor_entry(struct __processor_entry *pr) |
301 | { |
300 | { |
302 | /* |
301 | /* |
303 | * Ignore processors which are not marked enabled. |
302 | * Ignore processors which are not marked enabled. |
304 | */ |
303 | */ |
305 | if ((pr->cpu_flags & (1<<0)) == 0) |
304 | if ((pr->cpu_flags & (1<<0)) == 0) |
306 | return 0; |
305 | return 0; |
307 | 306 | ||
308 | apic_id_mask |= (1<<pr->l_apic_id); |
307 | apic_id_mask |= (1<<pr->l_apic_id); |
309 | return 1; |
308 | return 1; |
310 | } |
309 | } |
311 | 310 | ||
312 | void ct_bus_entry(struct __bus_entry *bus) |
311 | void ct_bus_entry(struct __bus_entry *bus) |
313 | { |
312 | { |
314 | #ifdef MPSCT_VERBOSE |
313 | #ifdef MPSCT_VERBOSE |
315 | char buf[7]; |
314 | char buf[7]; |
316 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
315 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
317 | buf[6] = 0; |
316 | buf[6] = 0; |
318 | printf("bus%d: %s\n", bus->bus_id, buf); |
317 | printf("bus%d: %s\n", bus->bus_id, buf); |
319 | #endif |
318 | #endif |
320 | } |
319 | } |
321 | 320 | ||
322 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
321 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
323 | { |
322 | { |
324 | static int io_apic_count = 0; |
323 | static int io_apic_count = 0; |
325 | 324 | ||
326 | /* this ioapic is marked unusable */ |
325 | /* this ioapic is marked unusable */ |
327 | if ((ioa->io_apic_flags & 1) == 0) |
326 | if ((ioa->io_apic_flags & 1) == 0) |
328 | return; |
327 | return; |
329 | 328 | ||
330 | if (io_apic_count++ > 0) { |
329 | if (io_apic_count++ > 0) { |
331 | /* |
330 | /* |
332 | * Multiple IO APIC's are currently not supported. |
331 | * Multiple IO APIC's are currently not supported. |
333 | */ |
332 | */ |
334 | return; |
333 | return; |
335 | } |
334 | } |
336 | 335 | ||
337 | io_apic = (uint32_t *)(uintptr_t)ioa->io_apic; |
336 | io_apic = (uint32_t *)(uintptr_t)ioa->io_apic; |
338 | } |
337 | } |
339 | 338 | ||
340 | //#define MPSCT_VERBOSE |
339 | //#define MPSCT_VERBOSE |
341 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
340 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
342 | { |
341 | { |
343 | #ifdef MPSCT_VERBOSE |
342 | #ifdef MPSCT_VERBOSE |
344 | switch (iointr->intr_type) { |
343 | switch (iointr->intr_type) { |
345 | case 0: printf("INT"); break; |
344 | case 0: printf("INT"); break; |
346 | case 1: printf("NMI"); break; |
345 | case 1: printf("NMI"); break; |
347 | case 2: printf("SMI"); break; |
346 | case 2: printf("SMI"); break; |
348 | case 3: printf("ExtINT"); break; |
347 | case 3: printf("ExtINT"); break; |
349 | } |
348 | } |
350 | putchar(','); |
349 | putchar(','); |
351 | switch (iointr->poel&3) { |
350 | switch (iointr->poel&3) { |
352 | case 0: printf("bus-like"); break; |
351 | case 0: printf("bus-like"); break; |
353 | case 1: printf("active high"); break; |
352 | case 1: printf("active high"); break; |
354 | case 2: printf("reserved"); break; |
353 | case 2: printf("reserved"); break; |
355 | case 3: printf("active low"); break; |
354 | case 3: printf("active low"); break; |
356 | } |
355 | } |
357 | putchar(','); |
356 | putchar(','); |
358 | switch ((iointr->poel>>2)&3) { |
357 | switch ((iointr->poel>>2)&3) { |
359 | case 0: printf("bus-like"); break; |
358 | case 0: printf("bus-like"); break; |
360 | case 1: printf("edge-triggered"); break; |
359 | case 1: printf("edge-triggered"); break; |
361 | case 2: printf("reserved"); break; |
360 | case 2: printf("reserved"); break; |
362 | case 3: printf("level-triggered"); break; |
361 | case 3: printf("level-triggered"); break; |
363 | } |
362 | } |
364 | putchar(','); |
363 | putchar(','); |
365 | printf("bus%d,irq%d", iointr->src_bus_id, iointr->src_bus_irq); |
364 | printf("bus%d,irq%d", iointr->src_bus_id, iointr->src_bus_irq); |
366 | putchar(','); |
365 | putchar(','); |
367 | printf("io_apic%d,pin%d", iointr->dst_io_apic_id, iointr->dst_io_apic_pin); |
366 | printf("io_apic%d,pin%d", iointr->dst_io_apic_id, iointr->dst_io_apic_pin); |
368 | putchar('\n'); |
367 | putchar('\n'); |
369 | #endif |
368 | #endif |
370 | } |
369 | } |
371 | 370 | ||
372 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
371 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
373 | { |
372 | { |
374 | #ifdef MPSCT_VERBOSE |
373 | #ifdef MPSCT_VERBOSE |
375 | switch (lintr->intr_type) { |
374 | switch (lintr->intr_type) { |
376 | case 0: printf("INT"); break; |
375 | case 0: printf("INT"); break; |
377 | case 1: printf("NMI"); break; |
376 | case 1: printf("NMI"); break; |
378 | case 2: printf("SMI"); break; |
377 | case 2: printf("SMI"); break; |
379 | case 3: printf("ExtINT"); break; |
378 | case 3: printf("ExtINT"); break; |
380 | } |
379 | } |
381 | putchar(','); |
380 | putchar(','); |
382 | switch (lintr->poel&3) { |
381 | switch (lintr->poel&3) { |
383 | case 0: printf("bus-like"); break; |
382 | case 0: printf("bus-like"); break; |
384 | case 1: printf("active high"); break; |
383 | case 1: printf("active high"); break; |
385 | case 2: printf("reserved"); break; |
384 | case 2: printf("reserved"); break; |
386 | case 3: printf("active low"); break; |
385 | case 3: printf("active low"); break; |
387 | } |
386 | } |
388 | putchar(','); |
387 | putchar(','); |
389 | switch ((lintr->poel>>2)&3) { |
388 | switch ((lintr->poel>>2)&3) { |
390 | case 0: printf("bus-like"); break; |
389 | case 0: printf("bus-like"); break; |
391 | case 1: printf("edge-triggered"); break; |
390 | case 1: printf("edge-triggered"); break; |
392 | case 2: printf("reserved"); break; |
391 | case 2: printf("reserved"); break; |
393 | case 3: printf("level-triggered"); break; |
392 | case 3: printf("level-triggered"); break; |
394 | } |
393 | } |
395 | putchar(','); |
394 | putchar(','); |
396 | printf("bus%d,irq%d", lintr->src_bus_id, lintr->src_bus_irq); |
395 | printf("bus%d,irq%d", lintr->src_bus_id, lintr->src_bus_irq); |
397 | putchar(','); |
396 | putchar(','); |
398 | printf("l_apic%d,pin%d", lintr->dst_l_apic_id, lintr->dst_l_apic_pin); |
397 | printf("l_apic%d,pin%d", lintr->dst_l_apic_id, lintr->dst_l_apic_pin); |
399 | putchar('\n'); |
398 | putchar('\n'); |
400 | #endif |
399 | #endif |
401 | } |
400 | } |
402 | 401 | ||
403 | void ct_extended_entries(void) |
402 | void ct_extended_entries(void) |
404 | { |
403 | { |
405 | uint8_t *ext = (uint8_t *) ct + ct->base_table_length; |
404 | uint8_t *ext = (uint8_t *) ct + ct->base_table_length; |
406 | uint8_t *cur; |
405 | uint8_t *cur; |
407 | 406 | ||
408 | for (cur = ext; cur < ext + ct->ext_table_length; cur += cur[CT_EXT_ENTRY_LEN]) { |
407 | for (cur = ext; cur < ext + ct->ext_table_length; cur += cur[CT_EXT_ENTRY_LEN]) { |
409 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
408 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
410 | default: |
409 | default: |
411 | printf("%p: skipping MP Configuration Table extended entry type %d\n", cur, cur[CT_EXT_ENTRY_TYPE]); |
410 | printf("%p: skipping MP Configuration Table extended entry type %d\n", cur, cur[CT_EXT_ENTRY_TYPE]); |
412 | break; |
411 | break; |
413 | } |
412 | } |
414 | } |
413 | } |
415 | } |
414 | } |
416 | 415 | ||
417 | int mps_irq_to_pin(int irq) |
416 | int mps_irq_to_pin(int irq) |
418 | { |
417 | { |
419 | int i; |
418 | int i; |
420 | 419 | ||
421 | for(i=0;i<io_intr_entry_cnt;i++) { |
420 | for(i=0;i<io_intr_entry_cnt;i++) { |
422 | if (io_intr_entries[i].src_bus_irq == irq && io_intr_entries[i].intr_type == 0) |
421 | if (io_intr_entries[i].src_bus_irq == irq && io_intr_entries[i].intr_type == 0) |
423 | return io_intr_entries[i].dst_io_apic_pin; |
422 | return io_intr_entries[i].dst_io_apic_pin; |
424 | } |
423 | } |
425 | 424 | ||
426 | return -1; |
425 | return -1; |
427 | } |
426 | } |
428 | 427 | ||
429 | #endif /* CONFIG_SMP */ |
428 | #endif /* CONFIG_SMP */ |
430 | 429 | ||
431 | /** @} |
430 | /** @} |
432 | */ |
431 | */ |
433 | 432 |