Rev 2089 | Rev 2101 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 2089 | Rev 2095 | ||
---|---|---|---|
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 <cpu.h> |
45 | #include <cpu.h> |
46 | #include <arch/asm.h> |
46 | #include <arch/asm.h> |
47 | #include <arch/bios/bios.h> |
47 | #include <arch/bios/bios.h> |
48 | #include <mm/frame.h> |
48 | #include <mm/frame.h> |
49 | 49 | ||
50 | /* |
50 | /* |
51 | * MultiProcessor Specification detection code. |
51 | * MultiProcessor Specification detection code. |
52 | */ |
52 | */ |
53 | 53 | ||
54 | #define FS_SIGNATURE 0x5f504d5f |
54 | #define FS_SIGNATURE 0x5f504d5f |
55 | #define CT_SIGNATURE 0x504d4350 |
55 | #define CT_SIGNATURE 0x504d4350 |
56 | 56 | ||
57 | int mps_fs_check(uint8_t *base); |
57 | int mps_fs_check(uint8_t *base); |
58 | int mps_ct_check(void); |
58 | int mps_ct_check(void); |
59 | 59 | ||
60 | int configure_via_ct(void); |
60 | int configure_via_ct(void); |
61 | int configure_via_default(uint8_t n); |
61 | int configure_via_default(uint8_t n); |
62 | 62 | ||
63 | int ct_processor_entry(struct __processor_entry *pr); |
63 | int ct_processor_entry(struct __processor_entry *pr); |
64 | void ct_bus_entry(struct __bus_entry *bus); |
64 | void ct_bus_entry(struct __bus_entry *bus); |
65 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
65 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
66 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
66 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
67 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
67 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
68 | 68 | ||
69 | void ct_extended_entries(void); |
69 | void ct_extended_entries(void); |
70 | 70 | ||
71 | static struct mps_fs *fs; |
71 | static struct mps_fs *fs; |
72 | static struct mps_ct *ct; |
72 | static struct mps_ct *ct; |
73 | 73 | ||
74 | struct __processor_entry *processor_entries = NULL; |
74 | struct __processor_entry *processor_entries = NULL; |
75 | struct __bus_entry *bus_entries = NULL; |
75 | struct __bus_entry *bus_entries = NULL; |
76 | struct __io_apic_entry *io_apic_entries = NULL; |
76 | struct __io_apic_entry *io_apic_entries = NULL; |
77 | struct __io_intr_entry *io_intr_entries = NULL; |
77 | struct __io_intr_entry *io_intr_entries = NULL; |
78 | struct __l_intr_entry *l_intr_entries = NULL; |
78 | struct __l_intr_entry *l_intr_entries = NULL; |
79 | 79 | ||
80 | int processor_entry_cnt = 0; |
80 | unsigned int processor_entry_cnt = 0; |
81 | int bus_entry_cnt = 0; |
81 | unsigned int bus_entry_cnt = 0; |
82 | int io_apic_entry_cnt = 0; |
82 | unsigned int io_apic_entry_cnt = 0; |
83 | int io_intr_entry_cnt = 0; |
83 | unsigned int io_intr_entry_cnt = 0; |
84 | int l_intr_entry_cnt = 0; |
84 | unsigned int l_intr_entry_cnt = 0; |
85 | 85 | ||
86 | /* |
86 | /* |
87 | * Implementation of IA-32 SMP configuration interface. |
87 | * Implementation of IA-32 SMP configuration interface. |
88 | */ |
88 | */ |
89 | static count_t get_cpu_count(void); |
89 | static count_t get_cpu_count(void); |
90 | static bool is_cpu_enabled(index_t i); |
90 | static bool is_cpu_enabled(index_t i); |
91 | static bool is_bsp(index_t i); |
91 | static bool is_bsp(index_t i); |
92 | static uint8_t get_cpu_apic_id(index_t i); |
92 | static uint8_t get_cpu_apic_id(index_t i); |
93 | static int mps_irq_to_pin(int irq); |
93 | static int mps_irq_to_pin(int irq); |
94 | 94 | ||
95 | struct smp_config_operations mps_config_operations = { |
95 | struct smp_config_operations mps_config_operations = { |
96 | .cpu_count = get_cpu_count, |
96 | .cpu_count = get_cpu_count, |
97 | .cpu_enabled = is_cpu_enabled, |
97 | .cpu_enabled = is_cpu_enabled, |
98 | .cpu_bootstrap = is_bsp, |
98 | .cpu_bootstrap = is_bsp, |
99 | .cpu_apic_id = get_cpu_apic_id, |
99 | .cpu_apic_id = get_cpu_apic_id, |
100 | .irq_to_pin = mps_irq_to_pin |
100 | .irq_to_pin = mps_irq_to_pin |
101 | }; |
101 | }; |
102 | 102 | ||
103 | count_t get_cpu_count(void) |
103 | count_t get_cpu_count(void) |
104 | { |
104 | { |
105 | return processor_entry_cnt; |
105 | return processor_entry_cnt; |
106 | } |
106 | } |
107 | 107 | ||
108 | bool is_cpu_enabled(index_t i) |
108 | bool is_cpu_enabled(index_t i) |
109 | { |
109 | { |
110 | ASSERT(i < processor_entry_cnt); |
110 | ASSERT(i < processor_entry_cnt); |
111 | return processor_entries[i].cpu_flags & 0x1; |
111 | return processor_entries[i].cpu_flags & 0x1; |
112 | } |
112 | } |
113 | 113 | ||
114 | bool is_bsp(index_t i) |
114 | bool is_bsp(index_t i) |
115 | { |
115 | { |
116 | ASSERT(i < processor_entry_cnt); |
116 | ASSERT(i < processor_entry_cnt); |
117 | return processor_entries[i].cpu_flags & 0x2; |
117 | return processor_entries[i].cpu_flags & 0x2; |
118 | } |
118 | } |
119 | 119 | ||
120 | uint8_t get_cpu_apic_id(index_t i) |
120 | uint8_t get_cpu_apic_id(index_t i) |
121 | { |
121 | { |
122 | ASSERT(i < processor_entry_cnt); |
122 | ASSERT(i < processor_entry_cnt); |
123 | return processor_entries[i].l_apic_id; |
123 | return processor_entries[i].l_apic_id; |
124 | } |
124 | } |
125 | 125 | ||
126 | 126 | ||
127 | /* |
127 | /* |
128 | * Used to check the integrity of the MP Floating Structure. |
128 | * Used to check the integrity of the MP Floating Structure. |
129 | */ |
129 | */ |
130 | int mps_fs_check(uint8_t *base) |
130 | int mps_fs_check(uint8_t *base) |
131 | { |
131 | { |
132 | int i; |
132 | unsigned int i; |
133 | uint8_t sum; |
133 | uint8_t sum; |
134 | 134 | ||
135 | for (i = 0, sum = 0; i < 16; i++) |
135 | for (i = 0, sum = 0; i < 16; i++) |
136 | sum += base[i]; |
136 | sum += base[i]; |
137 | 137 | ||
138 | return !sum; |
138 | return !sum; |
139 | } |
139 | } |
140 | 140 | ||
141 | /* |
141 | /* |
142 | * Used to check the integrity of the MP Configuration Table. |
142 | * Used to check the integrity of the MP Configuration Table. |
143 | */ |
143 | */ |
144 | int mps_ct_check(void) |
144 | int mps_ct_check(void) |
145 | { |
145 | { |
146 | uint8_t *base = (uint8_t *) ct; |
146 | uint8_t *base = (uint8_t *) ct; |
147 | uint8_t *ext = base + ct->base_table_length; |
147 | uint8_t *ext = base + ct->base_table_length; |
148 | uint8_t sum; |
148 | uint8_t sum; |
149 | int i; |
149 | int i; |
150 | 150 | ||
151 | /* count the checksum for the base table */ |
151 | /* count the checksum for the base table */ |
152 | for (i=0,sum=0; i < ct->base_table_length; i++) |
152 | for (i=0,sum=0; i < ct->base_table_length; i++) |
153 | sum += base[i]; |
153 | sum += base[i]; |
154 | 154 | ||
155 | if (sum) |
155 | if (sum) |
156 | return 0; |
156 | return 0; |
157 | 157 | ||
158 | /* count the checksum for the extended table */ |
158 | /* count the checksum for the extended table */ |
159 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
159 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
160 | sum += ext[i]; |
160 | sum += ext[i]; |
161 | 161 | ||
162 | return sum == ct->ext_table_checksum; |
162 | return sum == ct->ext_table_checksum; |
163 | } |
163 | } |
164 | 164 | ||
165 | void mps_init(void) |
165 | void mps_init(void) |
166 | { |
166 | { |
167 | uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) }; |
167 | uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) }; |
168 | int i, j, length[2] = { 1024, 64*1024 }; |
168 | unsigned int i, j, length[2] = { 1024, 64 * 1024 }; |
169 | 169 | ||
170 | 170 | ||
171 | /* |
171 | /* |
172 | * Find MP Floating Pointer Structure |
172 | * Find MP Floating Pointer Structure |
173 | * 1a. search first 1K of EBDA |
173 | * 1a. search first 1K of EBDA |
174 | * 1b. if EBDA is undefined, search last 1K of base memory |
174 | * 1b. if EBDA is undefined, search last 1K of base memory |
175 | * 2. search 64K starting at 0xf0000 |
175 | * 2. search 64K starting at 0xf0000 |
176 | */ |
176 | */ |
177 | 177 | ||
178 | addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024); |
178 | addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024); |
179 | for (i = 0; i < 2; i++) { |
179 | for (i = 0; i < 2; i++) { |
180 | for (j = 0; j < length[i]; j += 16) { |
180 | for (j = 0; j < length[i]; j += 16) { |
181 | 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])) { |
182 | fs = (struct mps_fs *) &addr[i][j]; |
182 | fs = (struct mps_fs *) &addr[i][j]; |
183 | goto fs_found; |
183 | goto fs_found; |
184 | } |
184 | } |
185 | } |
185 | } |
186 | } |
186 | } |
187 | 187 | ||
188 | return; |
188 | return; |
189 | 189 | ||
190 | fs_found: |
190 | fs_found: |
191 | printf("%p: MPS Floating Pointer Structure\n", fs); |
191 | printf("%p: MPS Floating Pointer Structure\n", fs); |
192 | 192 | ||
193 | if (fs->config_type == 0 && fs->configuration_table) { |
193 | if (fs->config_type == 0 && fs->configuration_table) { |
194 | if (fs->mpfib2 >> 7) { |
194 | if (fs->mpfib2 >> 7) { |
195 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
195 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
196 | return; |
196 | return; |
197 | } |
197 | } |
198 | 198 | ||
199 | ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table); |
199 | ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table); |
200 | config.cpu_count = configure_via_ct(); |
200 | config.cpu_count = configure_via_ct(); |
201 | } |
201 | } |
202 | else |
202 | else |
203 | config.cpu_count = configure_via_default(fs->config_type); |
203 | config.cpu_count = configure_via_default(fs->config_type); |
204 | 204 | ||
205 | return; |
205 | return; |
206 | } |
206 | } |
207 | 207 | ||
208 | int configure_via_ct(void) |
208 | int configure_via_ct(void) |
209 | { |
209 | { |
210 | uint8_t *cur; |
210 | uint8_t *cur; |
211 | int i, cnt; |
211 | unsigned int i, cnt; |
212 | 212 | ||
213 | if (ct->signature != CT_SIGNATURE) { |
213 | if (ct->signature != CT_SIGNATURE) { |
214 | printf("%s: bad ct->signature\n", __FUNCTION__); |
214 | printf("%s: bad ct->signature\n", __FUNCTION__); |
215 | return 1; |
215 | return 1; |
216 | } |
216 | } |
217 | if (!mps_ct_check()) { |
217 | if (!mps_ct_check()) { |
218 | printf("%s: bad ct checksum\n", __FUNCTION__); |
218 | printf("%s: bad ct checksum\n", __FUNCTION__); |
219 | return 1; |
219 | return 1; |
220 | } |
220 | } |
221 | if (ct->oem_table) { |
221 | if (ct->oem_table) { |
222 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
222 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
223 | return 1; |
223 | return 1; |
224 | } |
224 | } |
225 | 225 | ||
226 | l_apic = (uint32_t *)(uintptr_t)ct->l_apic; |
226 | l_apic = (uint32_t *)(uintptr_t)ct->l_apic; |
227 | 227 | ||
228 | cnt = 0; |
228 | cnt = 0; |
229 | cur = &ct->base_table[0]; |
229 | cur = &ct->base_table[0]; |
230 | for (i=0; i < ct->entry_count; i++) { |
230 | for (i=0; i < ct->entry_count; i++) { |
231 | switch (*cur) { |
231 | switch (*cur) { |
232 | /* Processor entry */ |
232 | /* Processor entry */ |
233 | case 0: |
233 | case 0: |
234 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
234 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
235 | processor_entry_cnt++; |
235 | processor_entry_cnt++; |
236 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
236 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
237 | cur += 20; |
237 | cur += 20; |
238 | break; |
238 | break; |
239 | 239 | ||
240 | /* Bus entry */ |
240 | /* Bus entry */ |
241 | case 1: |
241 | case 1: |
242 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
242 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
243 | bus_entry_cnt++; |
243 | bus_entry_cnt++; |
244 | ct_bus_entry((struct __bus_entry *) cur); |
244 | ct_bus_entry((struct __bus_entry *) cur); |
245 | cur += 8; |
245 | cur += 8; |
246 | break; |
246 | break; |
247 | 247 | ||
248 | /* I/O Apic */ |
248 | /* I/O Apic */ |
249 | case 2: |
249 | case 2: |
250 | 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; |
251 | io_apic_entry_cnt++; |
251 | io_apic_entry_cnt++; |
252 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
252 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
253 | cur += 8; |
253 | cur += 8; |
254 | break; |
254 | break; |
255 | 255 | ||
256 | /* I/O Interrupt Assignment */ |
256 | /* I/O Interrupt Assignment */ |
257 | case 3: |
257 | case 3: |
258 | 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; |
259 | io_intr_entry_cnt++; |
259 | io_intr_entry_cnt++; |
260 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
260 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
261 | cur += 8; |
261 | cur += 8; |
262 | break; |
262 | break; |
263 | 263 | ||
264 | /* Local Interrupt Assignment */ |
264 | /* Local Interrupt Assignment */ |
265 | case 4: |
265 | case 4: |
266 | 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; |
267 | l_intr_entry_cnt++; |
267 | l_intr_entry_cnt++; |
268 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
268 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
269 | cur += 8; |
269 | cur += 8; |
270 | break; |
270 | break; |
271 | 271 | ||
272 | default: |
272 | default: |
273 | /* |
273 | /* |
274 | * Something is wrong. Fallback to UP mode. |
274 | * Something is wrong. Fallback to UP mode. |
275 | */ |
275 | */ |
276 | 276 | ||
277 | printf("%s: ct badness\n", __FUNCTION__); |
277 | printf("%s: ct badness\n", __FUNCTION__); |
278 | return 1; |
278 | return 1; |
279 | } |
279 | } |
280 | } |
280 | } |
281 | 281 | ||
282 | /* |
282 | /* |
283 | * Process extended entries. |
283 | * Process extended entries. |
284 | */ |
284 | */ |
285 | ct_extended_entries(); |
285 | ct_extended_entries(); |
286 | return cnt; |
286 | return cnt; |
287 | } |
287 | } |
288 | 288 | ||
289 | int configure_via_default(uint8_t n) |
289 | int configure_via_default(uint8_t n) |
290 | { |
290 | { |
291 | /* |
291 | /* |
292 | * Not yet implemented. |
292 | * Not yet implemented. |
293 | */ |
293 | */ |
294 | printf("%s: not supported\n", __FUNCTION__); |
294 | printf("%s: not supported\n", __FUNCTION__); |
295 | return 1; |
295 | return 1; |
296 | } |
296 | } |
297 | 297 | ||
298 | 298 | ||
299 | int ct_processor_entry(struct __processor_entry *pr) |
299 | int ct_processor_entry(struct __processor_entry *pr) |
300 | { |
300 | { |
301 | /* |
301 | /* |
302 | * Ignore processors which are not marked enabled. |
302 | * Ignore processors which are not marked enabled. |
303 | */ |
303 | */ |
304 | if ((pr->cpu_flags & (1<<0)) == 0) |
304 | if ((pr->cpu_flags & (1<<0)) == 0) |
305 | return 0; |
305 | return 0; |
306 | 306 | ||
307 | apic_id_mask |= (1<<pr->l_apic_id); |
307 | apic_id_mask |= (1<<pr->l_apic_id); |
308 | return 1; |
308 | return 1; |
309 | } |
309 | } |
310 | 310 | ||
311 | void ct_bus_entry(struct __bus_entry *bus) |
311 | void ct_bus_entry(struct __bus_entry *bus) |
312 | { |
312 | { |
313 | #ifdef MPSCT_VERBOSE |
313 | #ifdef MPSCT_VERBOSE |
314 | char buf[7]; |
314 | char buf[7]; |
315 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
315 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
316 | buf[6] = 0; |
316 | buf[6] = 0; |
317 | printf("bus%d: %s\n", bus->bus_id, buf); |
317 | printf("bus%d: %s\n", bus->bus_id, buf); |
318 | #endif |
318 | #endif |
319 | } |
319 | } |
320 | 320 | ||
321 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
321 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
322 | { |
322 | { |
323 | static int io_apic_count = 0; |
323 | static unsigned int io_apic_count = 0; |
324 | 324 | ||
325 | /* this ioapic is marked unusable */ |
325 | /* this ioapic is marked unusable */ |
326 | if ((ioa->io_apic_flags & 1) == 0) |
326 | if ((ioa->io_apic_flags & 1) == 0) |
327 | return; |
327 | return; |
328 | 328 | ||
329 | if (io_apic_count++ > 0) { |
329 | if (io_apic_count++ > 0) { |
330 | /* |
330 | /* |
331 | * Multiple IO APIC's are currently not supported. |
331 | * Multiple IO APIC's are currently not supported. |
332 | */ |
332 | */ |
333 | return; |
333 | return; |
334 | } |
334 | } |
335 | 335 | ||
336 | io_apic = (uint32_t *)(uintptr_t)ioa->io_apic; |
336 | io_apic = (uint32_t *)(uintptr_t)ioa->io_apic; |
337 | } |
337 | } |
338 | 338 | ||
339 | //#define MPSCT_VERBOSE |
339 | //#define MPSCT_VERBOSE |
340 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
340 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
341 | { |
341 | { |
342 | #ifdef MPSCT_VERBOSE |
342 | #ifdef MPSCT_VERBOSE |
343 | switch (iointr->intr_type) { |
343 | switch (iointr->intr_type) { |
344 | case 0: printf("INT"); break; |
344 | case 0: printf("INT"); break; |
345 | case 1: printf("NMI"); break; |
345 | case 1: printf("NMI"); break; |
346 | case 2: printf("SMI"); break; |
346 | case 2: printf("SMI"); break; |
347 | case 3: printf("ExtINT"); break; |
347 | case 3: printf("ExtINT"); break; |
348 | } |
348 | } |
349 | putchar(','); |
349 | putchar(','); |
350 | switch (iointr->poel&3) { |
350 | switch (iointr->poel&3) { |
351 | case 0: printf("bus-like"); break; |
351 | case 0: printf("bus-like"); break; |
352 | case 1: printf("active high"); break; |
352 | case 1: printf("active high"); break; |
353 | case 2: printf("reserved"); break; |
353 | case 2: printf("reserved"); break; |
354 | case 3: printf("active low"); break; |
354 | case 3: printf("active low"); break; |
355 | } |
355 | } |
356 | putchar(','); |
356 | putchar(','); |
357 | switch ((iointr->poel>>2)&3) { |
357 | switch ((iointr->poel>>2)&3) { |
358 | case 0: printf("bus-like"); break; |
358 | case 0: printf("bus-like"); break; |
359 | case 1: printf("edge-triggered"); break; |
359 | case 1: printf("edge-triggered"); break; |
360 | case 2: printf("reserved"); break; |
360 | case 2: printf("reserved"); break; |
361 | case 3: printf("level-triggered"); break; |
361 | case 3: printf("level-triggered"); break; |
362 | } |
362 | } |
363 | putchar(','); |
363 | putchar(','); |
364 | 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); |
365 | putchar(','); |
365 | putchar(','); |
366 | 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); |
367 | putchar('\n'); |
367 | putchar('\n'); |
368 | #endif |
368 | #endif |
369 | } |
369 | } |
370 | 370 | ||
371 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
371 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
372 | { |
372 | { |
373 | #ifdef MPSCT_VERBOSE |
373 | #ifdef MPSCT_VERBOSE |
374 | switch (lintr->intr_type) { |
374 | switch (lintr->intr_type) { |
375 | case 0: printf("INT"); break; |
375 | case 0: printf("INT"); break; |
376 | case 1: printf("NMI"); break; |
376 | case 1: printf("NMI"); break; |
377 | case 2: printf("SMI"); break; |
377 | case 2: printf("SMI"); break; |
378 | case 3: printf("ExtINT"); break; |
378 | case 3: printf("ExtINT"); break; |
379 | } |
379 | } |
380 | putchar(','); |
380 | putchar(','); |
381 | switch (lintr->poel&3) { |
381 | switch (lintr->poel&3) { |
382 | case 0: printf("bus-like"); break; |
382 | case 0: printf("bus-like"); break; |
383 | case 1: printf("active high"); break; |
383 | case 1: printf("active high"); break; |
384 | case 2: printf("reserved"); break; |
384 | case 2: printf("reserved"); break; |
385 | case 3: printf("active low"); break; |
385 | case 3: printf("active low"); break; |
386 | } |
386 | } |
387 | putchar(','); |
387 | putchar(','); |
388 | switch ((lintr->poel>>2)&3) { |
388 | switch ((lintr->poel>>2)&3) { |
389 | case 0: printf("bus-like"); break; |
389 | case 0: printf("bus-like"); break; |
390 | case 1: printf("edge-triggered"); break; |
390 | case 1: printf("edge-triggered"); break; |
391 | case 2: printf("reserved"); break; |
391 | case 2: printf("reserved"); break; |
392 | case 3: printf("level-triggered"); break; |
392 | case 3: printf("level-triggered"); break; |
393 | } |
393 | } |
394 | putchar(','); |
394 | putchar(','); |
395 | 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); |
396 | putchar(','); |
396 | putchar(','); |
397 | 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); |
398 | putchar('\n'); |
398 | putchar('\n'); |
399 | #endif |
399 | #endif |
400 | } |
400 | } |
401 | 401 | ||
402 | void ct_extended_entries(void) |
402 | void ct_extended_entries(void) |
403 | { |
403 | { |
404 | uint8_t *ext = (uint8_t *) ct + ct->base_table_length; |
404 | uint8_t *ext = (uint8_t *) ct + ct->base_table_length; |
405 | uint8_t *cur; |
405 | uint8_t *cur; |
406 | 406 | ||
407 | 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]) { |
408 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
408 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
409 | default: |
409 | default: |
410 | 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]); |
411 | break; |
411 | break; |
412 | } |
412 | } |
413 | } |
413 | } |
414 | } |
414 | } |
415 | 415 | ||
416 | int mps_irq_to_pin(int irq) |
416 | int mps_irq_to_pin(int irq) |
417 | { |
417 | { |
418 | int i; |
418 | unsigned int i; |
419 | 419 | ||
420 | for(i=0;i<io_intr_entry_cnt;i++) { |
420 | for(i = 0; i < io_intr_entry_cnt; i++) { |
421 | 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) |
422 | return io_intr_entries[i].dst_io_apic_pin; |
422 | return io_intr_entries[i].dst_io_apic_pin; |
423 | } |
423 | } |
424 | 424 | ||
425 | return -1; |
425 | return -1; |
426 | } |
426 | } |
427 | 427 | ||
428 | #endif /* CONFIG_SMP */ |
428 | #endif /* CONFIG_SMP */ |
429 | 429 | ||
430 | /** @} |
430 | /** @} |
431 | */ |
431 | */ |
432 | 432 |