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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 |
|
- | 30 | * @{ |
|
- | 31 | */ |
|
- | 32 | /** @file |
|
- | 33 | */ |
|
- | 34 | ||
29 | #ifdef CONFIG_SMP |
35 | #ifdef CONFIG_SMP |
30 | 36 | ||
31 | #include <config.h> |
37 | #include <config.h> |
32 | #include <print.h> |
38 | #include <print.h> |
33 | #include <debug.h> |
39 | #include <debug.h> |
34 | #include <arch/smp/mps.h> |
40 | #include <arch/smp/mps.h> |
35 | #include <arch/smp/apic.h> |
41 | #include <arch/smp/apic.h> |
36 | #include <arch/smp/smp.h> |
42 | #include <arch/smp/smp.h> |
37 | #include <func.h> |
43 | #include <func.h> |
38 | #include <arch/types.h> |
44 | #include <arch/types.h> |
39 | #include <typedefs.h> |
45 | #include <typedefs.h> |
40 | #include <cpu.h> |
46 | #include <cpu.h> |
41 | #include <arch/asm.h> |
47 | #include <arch/asm.h> |
42 | #include <arch/bios/bios.h> |
48 | #include <arch/bios/bios.h> |
43 | #include <mm/frame.h> |
49 | #include <mm/frame.h> |
44 | 50 | ||
45 | /* |
51 | /* |
46 | * MultiProcessor Specification detection code. |
52 | * MultiProcessor Specification detection code. |
47 | */ |
53 | */ |
48 | 54 | ||
49 | #define FS_SIGNATURE 0x5f504d5f |
55 | #define FS_SIGNATURE 0x5f504d5f |
50 | #define CT_SIGNATURE 0x504d4350 |
56 | #define CT_SIGNATURE 0x504d4350 |
51 | 57 | ||
52 | int mps_fs_check(__u8 *base); |
58 | int mps_fs_check(__u8 *base); |
53 | int mps_ct_check(void); |
59 | int mps_ct_check(void); |
54 | 60 | ||
55 | int configure_via_ct(void); |
61 | int configure_via_ct(void); |
56 | int configure_via_default(__u8 n); |
62 | int configure_via_default(__u8 n); |
57 | 63 | ||
58 | int ct_processor_entry(struct __processor_entry *pr); |
64 | int ct_processor_entry(struct __processor_entry *pr); |
59 | void ct_bus_entry(struct __bus_entry *bus); |
65 | void ct_bus_entry(struct __bus_entry *bus); |
60 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
66 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
61 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
67 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
62 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
68 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
63 | 69 | ||
64 | void ct_extended_entries(void); |
70 | void ct_extended_entries(void); |
65 | 71 | ||
66 | static struct mps_fs *fs; |
72 | static struct mps_fs *fs; |
67 | static struct mps_ct *ct; |
73 | static struct mps_ct *ct; |
68 | 74 | ||
69 | struct __processor_entry *processor_entries = NULL; |
75 | struct __processor_entry *processor_entries = NULL; |
70 | struct __bus_entry *bus_entries = NULL; |
76 | struct __bus_entry *bus_entries = NULL; |
71 | struct __io_apic_entry *io_apic_entries = NULL; |
77 | struct __io_apic_entry *io_apic_entries = NULL; |
72 | struct __io_intr_entry *io_intr_entries = NULL; |
78 | struct __io_intr_entry *io_intr_entries = NULL; |
73 | struct __l_intr_entry *l_intr_entries = NULL; |
79 | struct __l_intr_entry *l_intr_entries = NULL; |
74 | 80 | ||
75 | int processor_entry_cnt = 0; |
81 | int processor_entry_cnt = 0; |
76 | int bus_entry_cnt = 0; |
82 | int bus_entry_cnt = 0; |
77 | int io_apic_entry_cnt = 0; |
83 | int io_apic_entry_cnt = 0; |
78 | int io_intr_entry_cnt = 0; |
84 | int io_intr_entry_cnt = 0; |
79 | int l_intr_entry_cnt = 0; |
85 | int l_intr_entry_cnt = 0; |
80 | 86 | ||
81 | waitq_t ap_completion_wq; |
87 | waitq_t ap_completion_wq; |
82 | 88 | ||
83 | /* |
89 | /* |
84 | * Implementation of IA-32 SMP configuration interface. |
90 | * Implementation of IA-32 SMP configuration interface. |
85 | */ |
91 | */ |
86 | static count_t get_cpu_count(void); |
92 | static count_t get_cpu_count(void); |
87 | static bool is_cpu_enabled(index_t i); |
93 | static bool is_cpu_enabled(index_t i); |
88 | static bool is_bsp(index_t i); |
94 | static bool is_bsp(index_t i); |
89 | static __u8 get_cpu_apic_id(index_t i); |
95 | static __u8 get_cpu_apic_id(index_t i); |
90 | static int mps_irq_to_pin(int irq); |
96 | static int mps_irq_to_pin(int irq); |
91 | 97 | ||
92 | struct smp_config_operations mps_config_operations = { |
98 | struct smp_config_operations mps_config_operations = { |
93 | .cpu_count = get_cpu_count, |
99 | .cpu_count = get_cpu_count, |
94 | .cpu_enabled = is_cpu_enabled, |
100 | .cpu_enabled = is_cpu_enabled, |
95 | .cpu_bootstrap = is_bsp, |
101 | .cpu_bootstrap = is_bsp, |
96 | .cpu_apic_id = get_cpu_apic_id, |
102 | .cpu_apic_id = get_cpu_apic_id, |
97 | .irq_to_pin = mps_irq_to_pin |
103 | .irq_to_pin = mps_irq_to_pin |
98 | }; |
104 | }; |
99 | 105 | ||
100 | count_t get_cpu_count(void) |
106 | count_t get_cpu_count(void) |
101 | { |
107 | { |
102 | return processor_entry_cnt; |
108 | return processor_entry_cnt; |
103 | } |
109 | } |
104 | 110 | ||
105 | bool is_cpu_enabled(index_t i) |
111 | bool is_cpu_enabled(index_t i) |
106 | { |
112 | { |
107 | ASSERT(i < processor_entry_cnt); |
113 | ASSERT(i < processor_entry_cnt); |
108 | return processor_entries[i].cpu_flags & 0x1; |
114 | return processor_entries[i].cpu_flags & 0x1; |
109 | } |
115 | } |
110 | 116 | ||
111 | bool is_bsp(index_t i) |
117 | bool is_bsp(index_t i) |
112 | { |
118 | { |
113 | ASSERT(i < processor_entry_cnt); |
119 | ASSERT(i < processor_entry_cnt); |
114 | return processor_entries[i].cpu_flags & 0x2; |
120 | return processor_entries[i].cpu_flags & 0x2; |
115 | } |
121 | } |
116 | 122 | ||
117 | __u8 get_cpu_apic_id(index_t i) |
123 | __u8 get_cpu_apic_id(index_t i) |
118 | { |
124 | { |
119 | ASSERT(i < processor_entry_cnt); |
125 | ASSERT(i < processor_entry_cnt); |
120 | return processor_entries[i].l_apic_id; |
126 | return processor_entries[i].l_apic_id; |
121 | } |
127 | } |
122 | 128 | ||
123 | 129 | ||
124 | /* |
130 | /* |
125 | * Used to check the integrity of the MP Floating Structure. |
131 | * Used to check the integrity of the MP Floating Structure. |
126 | */ |
132 | */ |
127 | int mps_fs_check(__u8 *base) |
133 | int mps_fs_check(__u8 *base) |
128 | { |
134 | { |
129 | int i; |
135 | int i; |
130 | __u8 sum; |
136 | __u8 sum; |
131 | 137 | ||
132 | for (i = 0, sum = 0; i < 16; i++) |
138 | for (i = 0, sum = 0; i < 16; i++) |
133 | sum += base[i]; |
139 | sum += base[i]; |
134 | 140 | ||
135 | return !sum; |
141 | return !sum; |
136 | } |
142 | } |
137 | 143 | ||
138 | /* |
144 | /* |
139 | * Used to check the integrity of the MP Configuration Table. |
145 | * Used to check the integrity of the MP Configuration Table. |
140 | */ |
146 | */ |
141 | int mps_ct_check(void) |
147 | int mps_ct_check(void) |
142 | { |
148 | { |
143 | __u8 *base = (__u8 *) ct; |
149 | __u8 *base = (__u8 *) ct; |
144 | __u8 *ext = base + ct->base_table_length; |
150 | __u8 *ext = base + ct->base_table_length; |
145 | __u8 sum; |
151 | __u8 sum; |
146 | int i; |
152 | int i; |
147 | 153 | ||
148 | /* count the checksum for the base table */ |
154 | /* count the checksum for the base table */ |
149 | for (i=0,sum=0; i < ct->base_table_length; i++) |
155 | for (i=0,sum=0; i < ct->base_table_length; i++) |
150 | sum += base[i]; |
156 | sum += base[i]; |
151 | 157 | ||
152 | if (sum) |
158 | if (sum) |
153 | return 0; |
159 | return 0; |
154 | 160 | ||
155 | /* count the checksum for the extended table */ |
161 | /* count the checksum for the extended table */ |
156 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
162 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
157 | sum += ext[i]; |
163 | sum += ext[i]; |
158 | 164 | ||
159 | return sum == ct->ext_table_checksum; |
165 | return sum == ct->ext_table_checksum; |
160 | } |
166 | } |
161 | 167 | ||
162 | void mps_init(void) |
168 | void mps_init(void) |
163 | { |
169 | { |
164 | __u8 *addr[2] = { NULL, (__u8 *) PA2KA(0xf0000) }; |
170 | __u8 *addr[2] = { NULL, (__u8 *) PA2KA(0xf0000) }; |
165 | int i, j, length[2] = { 1024, 64*1024 }; |
171 | int i, j, length[2] = { 1024, 64*1024 }; |
166 | 172 | ||
167 | 173 | ||
168 | /* |
174 | /* |
169 | * Find MP Floating Pointer Structure |
175 | * Find MP Floating Pointer Structure |
170 | * 1a. search first 1K of EBDA |
176 | * 1a. search first 1K of EBDA |
171 | * 1b. if EBDA is undefined, search last 1K of base memory |
177 | * 1b. if EBDA is undefined, search last 1K of base memory |
172 | * 2. search 64K starting at 0xf0000 |
178 | * 2. search 64K starting at 0xf0000 |
173 | */ |
179 | */ |
174 | 180 | ||
175 | addr[0] = (__u8 *) PA2KA(ebda ? ebda : 639 * 1024); |
181 | addr[0] = (__u8 *) PA2KA(ebda ? ebda : 639 * 1024); |
176 | for (i = 0; i < 2; i++) { |
182 | for (i = 0; i < 2; i++) { |
177 | for (j = 0; j < length[i]; j += 16) { |
183 | for (j = 0; j < length[i]; j += 16) { |
178 | if (*((__u32 *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
184 | if (*((__u32 *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
179 | fs = (struct mps_fs *) &addr[i][j]; |
185 | fs = (struct mps_fs *) &addr[i][j]; |
180 | goto fs_found; |
186 | goto fs_found; |
181 | } |
187 | } |
182 | } |
188 | } |
183 | } |
189 | } |
184 | 190 | ||
185 | return; |
191 | return; |
186 | 192 | ||
187 | fs_found: |
193 | fs_found: |
188 | printf("%p: MPS Floating Pointer Structure\n", fs); |
194 | printf("%p: MPS Floating Pointer Structure\n", fs); |
189 | 195 | ||
190 | if (fs->config_type == 0 && fs->configuration_table) { |
196 | if (fs->config_type == 0 && fs->configuration_table) { |
191 | if (fs->mpfib2 >> 7) { |
197 | if (fs->mpfib2 >> 7) { |
192 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
198 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
193 | return; |
199 | return; |
194 | } |
200 | } |
195 | 201 | ||
196 | ct = (struct mps_ct *)PA2KA((__address)fs->configuration_table); |
202 | ct = (struct mps_ct *)PA2KA((__address)fs->configuration_table); |
197 | config.cpu_count = configure_via_ct(); |
203 | config.cpu_count = configure_via_ct(); |
198 | } |
204 | } |
199 | else |
205 | else |
200 | config.cpu_count = configure_via_default(fs->config_type); |
206 | config.cpu_count = configure_via_default(fs->config_type); |
201 | 207 | ||
202 | return; |
208 | return; |
203 | } |
209 | } |
204 | 210 | ||
205 | int configure_via_ct(void) |
211 | int configure_via_ct(void) |
206 | { |
212 | { |
207 | __u8 *cur; |
213 | __u8 *cur; |
208 | int i, cnt; |
214 | int i, cnt; |
209 | 215 | ||
210 | if (ct->signature != CT_SIGNATURE) { |
216 | if (ct->signature != CT_SIGNATURE) { |
211 | printf("%s: bad ct->signature\n", __FUNCTION__); |
217 | printf("%s: bad ct->signature\n", __FUNCTION__); |
212 | return 1; |
218 | return 1; |
213 | } |
219 | } |
214 | if (!mps_ct_check()) { |
220 | if (!mps_ct_check()) { |
215 | printf("%s: bad ct checksum\n", __FUNCTION__); |
221 | printf("%s: bad ct checksum\n", __FUNCTION__); |
216 | return 1; |
222 | return 1; |
217 | } |
223 | } |
218 | if (ct->oem_table) { |
224 | if (ct->oem_table) { |
219 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
225 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
220 | return 1; |
226 | return 1; |
221 | } |
227 | } |
222 | 228 | ||
223 | l_apic = (__u32 *)(__address)ct->l_apic; |
229 | l_apic = (__u32 *)(__address)ct->l_apic; |
224 | 230 | ||
225 | cnt = 0; |
231 | cnt = 0; |
226 | cur = &ct->base_table[0]; |
232 | cur = &ct->base_table[0]; |
227 | for (i=0; i < ct->entry_count; i++) { |
233 | for (i=0; i < ct->entry_count; i++) { |
228 | switch (*cur) { |
234 | switch (*cur) { |
229 | /* Processor entry */ |
235 | /* Processor entry */ |
230 | case 0: |
236 | case 0: |
231 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
237 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
232 | processor_entry_cnt++; |
238 | processor_entry_cnt++; |
233 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
239 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
234 | cur += 20; |
240 | cur += 20; |
235 | break; |
241 | break; |
236 | 242 | ||
237 | /* Bus entry */ |
243 | /* Bus entry */ |
238 | case 1: |
244 | case 1: |
239 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
245 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
240 | bus_entry_cnt++; |
246 | bus_entry_cnt++; |
241 | ct_bus_entry((struct __bus_entry *) cur); |
247 | ct_bus_entry((struct __bus_entry *) cur); |
242 | cur += 8; |
248 | cur += 8; |
243 | break; |
249 | break; |
244 | 250 | ||
245 | /* I/O Apic */ |
251 | /* I/O Apic */ |
246 | case 2: |
252 | case 2: |
247 | io_apic_entries = io_apic_entries ? io_apic_entries : (struct __io_apic_entry *) cur; |
253 | io_apic_entries = io_apic_entries ? io_apic_entries : (struct __io_apic_entry *) cur; |
248 | io_apic_entry_cnt++; |
254 | io_apic_entry_cnt++; |
249 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
255 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
250 | cur += 8; |
256 | cur += 8; |
251 | break; |
257 | break; |
252 | 258 | ||
253 | /* I/O Interrupt Assignment */ |
259 | /* I/O Interrupt Assignment */ |
254 | case 3: |
260 | case 3: |
255 | io_intr_entries = io_intr_entries ? io_intr_entries : (struct __io_intr_entry *) cur; |
261 | io_intr_entries = io_intr_entries ? io_intr_entries : (struct __io_intr_entry *) cur; |
256 | io_intr_entry_cnt++; |
262 | io_intr_entry_cnt++; |
257 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
263 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
258 | cur += 8; |
264 | cur += 8; |
259 | break; |
265 | break; |
260 | 266 | ||
261 | /* Local Interrupt Assignment */ |
267 | /* Local Interrupt Assignment */ |
262 | case 4: |
268 | case 4: |
263 | l_intr_entries = l_intr_entries ? l_intr_entries : (struct __l_intr_entry *) cur; |
269 | l_intr_entries = l_intr_entries ? l_intr_entries : (struct __l_intr_entry *) cur; |
264 | l_intr_entry_cnt++; |
270 | l_intr_entry_cnt++; |
265 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
271 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
266 | cur += 8; |
272 | cur += 8; |
267 | break; |
273 | break; |
268 | 274 | ||
269 | default: |
275 | default: |
270 | /* |
276 | /* |
271 | * Something is wrong. Fallback to UP mode. |
277 | * Something is wrong. Fallback to UP mode. |
272 | */ |
278 | */ |
273 | 279 | ||
274 | printf("%s: ct badness\n", __FUNCTION__); |
280 | printf("%s: ct badness\n", __FUNCTION__); |
275 | return 1; |
281 | return 1; |
276 | } |
282 | } |
277 | } |
283 | } |
278 | 284 | ||
279 | /* |
285 | /* |
280 | * Process extended entries. |
286 | * Process extended entries. |
281 | */ |
287 | */ |
282 | ct_extended_entries(); |
288 | ct_extended_entries(); |
283 | return cnt; |
289 | return cnt; |
284 | } |
290 | } |
285 | 291 | ||
286 | int configure_via_default(__u8 n) |
292 | int configure_via_default(__u8 n) |
287 | { |
293 | { |
288 | /* |
294 | /* |
289 | * Not yet implemented. |
295 | * Not yet implemented. |
290 | */ |
296 | */ |
291 | printf("%s: not supported\n", __FUNCTION__); |
297 | printf("%s: not supported\n", __FUNCTION__); |
292 | return 1; |
298 | return 1; |
293 | } |
299 | } |
294 | 300 | ||
295 | 301 | ||
296 | int ct_processor_entry(struct __processor_entry *pr) |
302 | int ct_processor_entry(struct __processor_entry *pr) |
297 | { |
303 | { |
298 | /* |
304 | /* |
299 | * Ignore processors which are not marked enabled. |
305 | * Ignore processors which are not marked enabled. |
300 | */ |
306 | */ |
301 | if ((pr->cpu_flags & (1<<0)) == 0) |
307 | if ((pr->cpu_flags & (1<<0)) == 0) |
302 | return 0; |
308 | return 0; |
303 | 309 | ||
304 | apic_id_mask |= (1<<pr->l_apic_id); |
310 | apic_id_mask |= (1<<pr->l_apic_id); |
305 | return 1; |
311 | return 1; |
306 | } |
312 | } |
307 | 313 | ||
308 | void ct_bus_entry(struct __bus_entry *bus) |
314 | void ct_bus_entry(struct __bus_entry *bus) |
309 | { |
315 | { |
310 | #ifdef MPSCT_VERBOSE |
316 | #ifdef MPSCT_VERBOSE |
311 | char buf[7]; |
317 | char buf[7]; |
312 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
318 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
313 | buf[6] = 0; |
319 | buf[6] = 0; |
314 | printf("bus%d: %s\n", bus->bus_id, buf); |
320 | printf("bus%d: %s\n", bus->bus_id, buf); |
315 | #endif |
321 | #endif |
316 | } |
322 | } |
317 | 323 | ||
318 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
324 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
319 | { |
325 | { |
320 | static int io_apic_count = 0; |
326 | static int io_apic_count = 0; |
321 | 327 | ||
322 | /* this ioapic is marked unusable */ |
328 | /* this ioapic is marked unusable */ |
323 | if ((ioa->io_apic_flags & 1) == 0) |
329 | if ((ioa->io_apic_flags & 1) == 0) |
324 | return; |
330 | return; |
325 | 331 | ||
326 | if (io_apic_count++ > 0) { |
332 | if (io_apic_count++ > 0) { |
327 | /* |
333 | /* |
328 | * Multiple IO APIC's are currently not supported. |
334 | * Multiple IO APIC's are currently not supported. |
329 | */ |
335 | */ |
330 | return; |
336 | return; |
331 | } |
337 | } |
332 | 338 | ||
333 | io_apic = (__u32 *)(__address)ioa->io_apic; |
339 | io_apic = (__u32 *)(__address)ioa->io_apic; |
334 | } |
340 | } |
335 | 341 | ||
336 | //#define MPSCT_VERBOSE |
342 | //#define MPSCT_VERBOSE |
337 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
343 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
338 | { |
344 | { |
339 | #ifdef MPSCT_VERBOSE |
345 | #ifdef MPSCT_VERBOSE |
340 | switch (iointr->intr_type) { |
346 | switch (iointr->intr_type) { |
341 | case 0: printf("INT"); break; |
347 | case 0: printf("INT"); break; |
342 | case 1: printf("NMI"); break; |
348 | case 1: printf("NMI"); break; |
343 | case 2: printf("SMI"); break; |
349 | case 2: printf("SMI"); break; |
344 | case 3: printf("ExtINT"); break; |
350 | case 3: printf("ExtINT"); break; |
345 | } |
351 | } |
346 | putchar(','); |
352 | putchar(','); |
347 | switch (iointr->poel&3) { |
353 | switch (iointr->poel&3) { |
348 | case 0: printf("bus-like"); break; |
354 | case 0: printf("bus-like"); break; |
349 | case 1: printf("active high"); break; |
355 | case 1: printf("active high"); break; |
350 | case 2: printf("reserved"); break; |
356 | case 2: printf("reserved"); break; |
351 | case 3: printf("active low"); break; |
357 | case 3: printf("active low"); break; |
352 | } |
358 | } |
353 | putchar(','); |
359 | putchar(','); |
354 | switch ((iointr->poel>>2)&3) { |
360 | switch ((iointr->poel>>2)&3) { |
355 | case 0: printf("bus-like"); break; |
361 | case 0: printf("bus-like"); break; |
356 | case 1: printf("edge-triggered"); break; |
362 | case 1: printf("edge-triggered"); break; |
357 | case 2: printf("reserved"); break; |
363 | case 2: printf("reserved"); break; |
358 | case 3: printf("level-triggered"); break; |
364 | case 3: printf("level-triggered"); break; |
359 | } |
365 | } |
360 | putchar(','); |
366 | putchar(','); |
361 | printf("bus%d,irq%d", iointr->src_bus_id, iointr->src_bus_irq); |
367 | printf("bus%d,irq%d", iointr->src_bus_id, iointr->src_bus_irq); |
362 | putchar(','); |
368 | putchar(','); |
363 | printf("io_apic%d,pin%d", iointr->dst_io_apic_id, iointr->dst_io_apic_pin); |
369 | printf("io_apic%d,pin%d", iointr->dst_io_apic_id, iointr->dst_io_apic_pin); |
364 | putchar('\n'); |
370 | putchar('\n'); |
365 | #endif |
371 | #endif |
366 | } |
372 | } |
367 | 373 | ||
368 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
374 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
369 | { |
375 | { |
370 | #ifdef MPSCT_VERBOSE |
376 | #ifdef MPSCT_VERBOSE |
371 | switch (lintr->intr_type) { |
377 | switch (lintr->intr_type) { |
372 | case 0: printf("INT"); break; |
378 | case 0: printf("INT"); break; |
373 | case 1: printf("NMI"); break; |
379 | case 1: printf("NMI"); break; |
374 | case 2: printf("SMI"); break; |
380 | case 2: printf("SMI"); break; |
375 | case 3: printf("ExtINT"); break; |
381 | case 3: printf("ExtINT"); break; |
376 | } |
382 | } |
377 | putchar(','); |
383 | putchar(','); |
378 | switch (lintr->poel&3) { |
384 | switch (lintr->poel&3) { |
379 | case 0: printf("bus-like"); break; |
385 | case 0: printf("bus-like"); break; |
380 | case 1: printf("active high"); break; |
386 | case 1: printf("active high"); break; |
381 | case 2: printf("reserved"); break; |
387 | case 2: printf("reserved"); break; |
382 | case 3: printf("active low"); break; |
388 | case 3: printf("active low"); break; |
383 | } |
389 | } |
384 | putchar(','); |
390 | putchar(','); |
385 | switch ((lintr->poel>>2)&3) { |
391 | switch ((lintr->poel>>2)&3) { |
386 | case 0: printf("bus-like"); break; |
392 | case 0: printf("bus-like"); break; |
387 | case 1: printf("edge-triggered"); break; |
393 | case 1: printf("edge-triggered"); break; |
388 | case 2: printf("reserved"); break; |
394 | case 2: printf("reserved"); break; |
389 | case 3: printf("level-triggered"); break; |
395 | case 3: printf("level-triggered"); break; |
390 | } |
396 | } |
391 | putchar(','); |
397 | putchar(','); |
392 | printf("bus%d,irq%d", lintr->src_bus_id, lintr->src_bus_irq); |
398 | printf("bus%d,irq%d", lintr->src_bus_id, lintr->src_bus_irq); |
393 | putchar(','); |
399 | putchar(','); |
394 | printf("l_apic%d,pin%d", lintr->dst_l_apic_id, lintr->dst_l_apic_pin); |
400 | printf("l_apic%d,pin%d", lintr->dst_l_apic_id, lintr->dst_l_apic_pin); |
395 | putchar('\n'); |
401 | putchar('\n'); |
396 | #endif |
402 | #endif |
397 | } |
403 | } |
398 | 404 | ||
399 | void ct_extended_entries(void) |
405 | void ct_extended_entries(void) |
400 | { |
406 | { |
401 | __u8 *ext = (__u8 *) ct + ct->base_table_length; |
407 | __u8 *ext = (__u8 *) ct + ct->base_table_length; |
402 | __u8 *cur; |
408 | __u8 *cur; |
403 | 409 | ||
404 | for (cur = ext; cur < ext + ct->ext_table_length; cur += cur[CT_EXT_ENTRY_LEN]) { |
410 | for (cur = ext; cur < ext + ct->ext_table_length; cur += cur[CT_EXT_ENTRY_LEN]) { |
405 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
411 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
406 | default: |
412 | default: |
407 | printf("%p: skipping MP Configuration Table extended entry type %d\n", cur, cur[CT_EXT_ENTRY_TYPE]); |
413 | printf("%p: skipping MP Configuration Table extended entry type %d\n", cur, cur[CT_EXT_ENTRY_TYPE]); |
408 | break; |
414 | break; |
409 | } |
415 | } |
410 | } |
416 | } |
411 | } |
417 | } |
412 | 418 | ||
413 | int mps_irq_to_pin(int irq) |
419 | int mps_irq_to_pin(int irq) |
414 | { |
420 | { |
415 | int i; |
421 | int i; |
416 | 422 | ||
417 | for(i=0;i<io_intr_entry_cnt;i++) { |
423 | for(i=0;i<io_intr_entry_cnt;i++) { |
418 | if (io_intr_entries[i].src_bus_irq == irq && io_intr_entries[i].intr_type == 0) |
424 | if (io_intr_entries[i].src_bus_irq == irq && io_intr_entries[i].intr_type == 0) |
419 | return io_intr_entries[i].dst_io_apic_pin; |
425 | return io_intr_entries[i].dst_io_apic_pin; |
420 | } |
426 | } |
421 | 427 | ||
422 | return -1; |
428 | return -1; |
423 | } |
429 | } |
424 | 430 | ||
425 | #endif /* CONFIG_SMP */ |
431 | #endif /* CONFIG_SMP */ |
- | 432 | ||
- | 433 | /** @} |
|
- | 434 | */ |
|
- | 435 | ||
426 | 436 |