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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> |
45 | #include <typedefs.h> |
46 | #include <cpu.h> |
46 | #include <cpu.h> |
47 | #include <arch/asm.h> |
47 | #include <arch/asm.h> |
48 | #include <arch/bios/bios.h> |
48 | #include <arch/bios/bios.h> |
49 | #include <mm/frame.h> |
49 | #include <mm/frame.h> |
50 | 50 | ||
51 | /* |
51 | /* |
52 | * MultiProcessor Specification detection code. |
52 | * MultiProcessor Specification detection code. |
53 | */ |
53 | */ |
54 | 54 | ||
55 | #define FS_SIGNATURE 0x5f504d5f |
55 | #define FS_SIGNATURE 0x5f504d5f |
56 | #define CT_SIGNATURE 0x504d4350 |
56 | #define CT_SIGNATURE 0x504d4350 |
57 | 57 | ||
58 | int mps_fs_check(__u8 *base); |
58 | int mps_fs_check(uint8_t *base); |
59 | int mps_ct_check(void); |
59 | int mps_ct_check(void); |
60 | 60 | ||
61 | int configure_via_ct(void); |
61 | int configure_via_ct(void); |
62 | int configure_via_default(__u8 n); |
62 | int configure_via_default(uint8_t n); |
63 | 63 | ||
64 | int ct_processor_entry(struct __processor_entry *pr); |
64 | int ct_processor_entry(struct __processor_entry *pr); |
65 | void ct_bus_entry(struct __bus_entry *bus); |
65 | void ct_bus_entry(struct __bus_entry *bus); |
66 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
66 | void ct_io_apic_entry(struct __io_apic_entry *ioa); |
67 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
67 | void ct_io_intr_entry(struct __io_intr_entry *iointr); |
68 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
68 | void ct_l_intr_entry(struct __l_intr_entry *lintr); |
69 | 69 | ||
70 | void ct_extended_entries(void); |
70 | void ct_extended_entries(void); |
71 | 71 | ||
72 | static struct mps_fs *fs; |
72 | static struct mps_fs *fs; |
73 | static struct mps_ct *ct; |
73 | static struct mps_ct *ct; |
74 | 74 | ||
75 | struct __processor_entry *processor_entries = NULL; |
75 | struct __processor_entry *processor_entries = NULL; |
76 | struct __bus_entry *bus_entries = NULL; |
76 | struct __bus_entry *bus_entries = NULL; |
77 | struct __io_apic_entry *io_apic_entries = NULL; |
77 | struct __io_apic_entry *io_apic_entries = NULL; |
78 | struct __io_intr_entry *io_intr_entries = NULL; |
78 | struct __io_intr_entry *io_intr_entries = NULL; |
79 | struct __l_intr_entry *l_intr_entries = NULL; |
79 | struct __l_intr_entry *l_intr_entries = NULL; |
80 | 80 | ||
81 | int processor_entry_cnt = 0; |
81 | int processor_entry_cnt = 0; |
82 | int bus_entry_cnt = 0; |
82 | int bus_entry_cnt = 0; |
83 | int io_apic_entry_cnt = 0; |
83 | int io_apic_entry_cnt = 0; |
84 | int io_intr_entry_cnt = 0; |
84 | int io_intr_entry_cnt = 0; |
85 | int l_intr_entry_cnt = 0; |
85 | int l_intr_entry_cnt = 0; |
86 | 86 | ||
87 | waitq_t ap_completion_wq; |
87 | waitq_t ap_completion_wq; |
88 | 88 | ||
89 | /* |
89 | /* |
90 | * Implementation of IA-32 SMP configuration interface. |
90 | * Implementation of IA-32 SMP configuration interface. |
91 | */ |
91 | */ |
92 | static count_t get_cpu_count(void); |
92 | static count_t get_cpu_count(void); |
93 | static bool is_cpu_enabled(index_t i); |
93 | static bool is_cpu_enabled(index_t i); |
94 | static bool is_bsp(index_t i); |
94 | static bool is_bsp(index_t i); |
95 | static __u8 get_cpu_apic_id(index_t i); |
95 | static uint8_t get_cpu_apic_id(index_t i); |
96 | static int mps_irq_to_pin(int irq); |
96 | static int mps_irq_to_pin(int irq); |
97 | 97 | ||
98 | struct smp_config_operations mps_config_operations = { |
98 | struct smp_config_operations mps_config_operations = { |
99 | .cpu_count = get_cpu_count, |
99 | .cpu_count = get_cpu_count, |
100 | .cpu_enabled = is_cpu_enabled, |
100 | .cpu_enabled = is_cpu_enabled, |
101 | .cpu_bootstrap = is_bsp, |
101 | .cpu_bootstrap = is_bsp, |
102 | .cpu_apic_id = get_cpu_apic_id, |
102 | .cpu_apic_id = get_cpu_apic_id, |
103 | .irq_to_pin = mps_irq_to_pin |
103 | .irq_to_pin = mps_irq_to_pin |
104 | }; |
104 | }; |
105 | 105 | ||
106 | count_t get_cpu_count(void) |
106 | count_t get_cpu_count(void) |
107 | { |
107 | { |
108 | return processor_entry_cnt; |
108 | return processor_entry_cnt; |
109 | } |
109 | } |
110 | 110 | ||
111 | bool is_cpu_enabled(index_t i) |
111 | bool is_cpu_enabled(index_t i) |
112 | { |
112 | { |
113 | ASSERT(i < processor_entry_cnt); |
113 | ASSERT(i < processor_entry_cnt); |
114 | return processor_entries[i].cpu_flags & 0x1; |
114 | return processor_entries[i].cpu_flags & 0x1; |
115 | } |
115 | } |
116 | 116 | ||
117 | bool is_bsp(index_t i) |
117 | bool is_bsp(index_t i) |
118 | { |
118 | { |
119 | ASSERT(i < processor_entry_cnt); |
119 | ASSERT(i < processor_entry_cnt); |
120 | return processor_entries[i].cpu_flags & 0x2; |
120 | return processor_entries[i].cpu_flags & 0x2; |
121 | } |
121 | } |
122 | 122 | ||
123 | __u8 get_cpu_apic_id(index_t i) |
123 | uint8_t get_cpu_apic_id(index_t i) |
124 | { |
124 | { |
125 | ASSERT(i < processor_entry_cnt); |
125 | ASSERT(i < processor_entry_cnt); |
126 | return processor_entries[i].l_apic_id; |
126 | return processor_entries[i].l_apic_id; |
127 | } |
127 | } |
128 | 128 | ||
129 | 129 | ||
130 | /* |
130 | /* |
131 | * Used to check the integrity of the MP Floating Structure. |
131 | * Used to check the integrity of the MP Floating Structure. |
132 | */ |
132 | */ |
133 | int mps_fs_check(__u8 *base) |
133 | int mps_fs_check(uint8_t *base) |
134 | { |
134 | { |
135 | int i; |
135 | int i; |
136 | __u8 sum; |
136 | uint8_t sum; |
137 | 137 | ||
138 | for (i = 0, sum = 0; i < 16; i++) |
138 | for (i = 0, sum = 0; i < 16; i++) |
139 | sum += base[i]; |
139 | sum += base[i]; |
140 | 140 | ||
141 | return !sum; |
141 | return !sum; |
142 | } |
142 | } |
143 | 143 | ||
144 | /* |
144 | /* |
145 | * Used to check the integrity of the MP Configuration Table. |
145 | * Used to check the integrity of the MP Configuration Table. |
146 | */ |
146 | */ |
147 | int mps_ct_check(void) |
147 | int mps_ct_check(void) |
148 | { |
148 | { |
149 | __u8 *base = (__u8 *) ct; |
149 | uint8_t *base = (uint8_t *) ct; |
150 | __u8 *ext = base + ct->base_table_length; |
150 | uint8_t *ext = base + ct->base_table_length; |
151 | __u8 sum; |
151 | uint8_t sum; |
152 | int i; |
152 | int i; |
153 | 153 | ||
154 | /* count the checksum for the base table */ |
154 | /* count the checksum for the base table */ |
155 | for (i=0,sum=0; i < ct->base_table_length; i++) |
155 | for (i=0,sum=0; i < ct->base_table_length; i++) |
156 | sum += base[i]; |
156 | sum += base[i]; |
157 | 157 | ||
158 | if (sum) |
158 | if (sum) |
159 | return 0; |
159 | return 0; |
160 | 160 | ||
161 | /* count the checksum for the extended table */ |
161 | /* count the checksum for the extended table */ |
162 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
162 | for (i=0,sum=0; i < ct->ext_table_length; i++) |
163 | sum += ext[i]; |
163 | sum += ext[i]; |
164 | 164 | ||
165 | return sum == ct->ext_table_checksum; |
165 | return sum == ct->ext_table_checksum; |
166 | } |
166 | } |
167 | 167 | ||
168 | void mps_init(void) |
168 | void mps_init(void) |
169 | { |
169 | { |
170 | __u8 *addr[2] = { NULL, (__u8 *) PA2KA(0xf0000) }; |
170 | uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) }; |
171 | int i, j, length[2] = { 1024, 64*1024 }; |
171 | int i, j, length[2] = { 1024, 64*1024 }; |
172 | 172 | ||
173 | 173 | ||
174 | /* |
174 | /* |
175 | * Find MP Floating Pointer Structure |
175 | * Find MP Floating Pointer Structure |
176 | * 1a. search first 1K of EBDA |
176 | * 1a. search first 1K of EBDA |
177 | * 1b. if EBDA is undefined, search last 1K of base memory |
177 | * 1b. if EBDA is undefined, search last 1K of base memory |
178 | * 2. search 64K starting at 0xf0000 |
178 | * 2. search 64K starting at 0xf0000 |
179 | */ |
179 | */ |
180 | 180 | ||
181 | addr[0] = (__u8 *) PA2KA(ebda ? ebda : 639 * 1024); |
181 | addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024); |
182 | for (i = 0; i < 2; i++) { |
182 | for (i = 0; i < 2; i++) { |
183 | for (j = 0; j < length[i]; j += 16) { |
183 | for (j = 0; j < length[i]; j += 16) { |
184 | if (*((__u32 *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
184 | if (*((uint32_t *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
185 | fs = (struct mps_fs *) &addr[i][j]; |
185 | fs = (struct mps_fs *) &addr[i][j]; |
186 | goto fs_found; |
186 | goto fs_found; |
187 | } |
187 | } |
188 | } |
188 | } |
189 | } |
189 | } |
190 | 190 | ||
191 | return; |
191 | return; |
192 | 192 | ||
193 | fs_found: |
193 | fs_found: |
194 | printf("%p: MPS Floating Pointer Structure\n", fs); |
194 | printf("%p: MPS Floating Pointer Structure\n", fs); |
195 | 195 | ||
196 | if (fs->config_type == 0 && fs->configuration_table) { |
196 | if (fs->config_type == 0 && fs->configuration_table) { |
197 | if (fs->mpfib2 >> 7) { |
197 | if (fs->mpfib2 >> 7) { |
198 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
198 | printf("%s: PIC mode not supported\n", __FUNCTION__); |
199 | return; |
199 | return; |
200 | } |
200 | } |
201 | 201 | ||
202 | ct = (struct mps_ct *)PA2KA((__address)fs->configuration_table); |
202 | ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table); |
203 | config.cpu_count = configure_via_ct(); |
203 | config.cpu_count = configure_via_ct(); |
204 | } |
204 | } |
205 | else |
205 | else |
206 | config.cpu_count = configure_via_default(fs->config_type); |
206 | config.cpu_count = configure_via_default(fs->config_type); |
207 | 207 | ||
208 | return; |
208 | return; |
209 | } |
209 | } |
210 | 210 | ||
211 | int configure_via_ct(void) |
211 | int configure_via_ct(void) |
212 | { |
212 | { |
213 | __u8 *cur; |
213 | uint8_t *cur; |
214 | int i, cnt; |
214 | int i, cnt; |
215 | 215 | ||
216 | if (ct->signature != CT_SIGNATURE) { |
216 | if (ct->signature != CT_SIGNATURE) { |
217 | printf("%s: bad ct->signature\n", __FUNCTION__); |
217 | printf("%s: bad ct->signature\n", __FUNCTION__); |
218 | return 1; |
218 | return 1; |
219 | } |
219 | } |
220 | if (!mps_ct_check()) { |
220 | if (!mps_ct_check()) { |
221 | printf("%s: bad ct checksum\n", __FUNCTION__); |
221 | printf("%s: bad ct checksum\n", __FUNCTION__); |
222 | return 1; |
222 | return 1; |
223 | } |
223 | } |
224 | if (ct->oem_table) { |
224 | if (ct->oem_table) { |
225 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
225 | printf("%s: ct->oem_table not supported\n", __FUNCTION__); |
226 | return 1; |
226 | return 1; |
227 | } |
227 | } |
228 | 228 | ||
229 | l_apic = (__u32 *)(__address)ct->l_apic; |
229 | l_apic = (uint32_t *)(uintptr_t)ct->l_apic; |
230 | 230 | ||
231 | cnt = 0; |
231 | cnt = 0; |
232 | cur = &ct->base_table[0]; |
232 | cur = &ct->base_table[0]; |
233 | for (i=0; i < ct->entry_count; i++) { |
233 | for (i=0; i < ct->entry_count; i++) { |
234 | switch (*cur) { |
234 | switch (*cur) { |
235 | /* Processor entry */ |
235 | /* Processor entry */ |
236 | case 0: |
236 | case 0: |
237 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
237 | processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur; |
238 | processor_entry_cnt++; |
238 | processor_entry_cnt++; |
239 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
239 | cnt += ct_processor_entry((struct __processor_entry *) cur); |
240 | cur += 20; |
240 | cur += 20; |
241 | break; |
241 | break; |
242 | 242 | ||
243 | /* Bus entry */ |
243 | /* Bus entry */ |
244 | case 1: |
244 | case 1: |
245 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
245 | bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur; |
246 | bus_entry_cnt++; |
246 | bus_entry_cnt++; |
247 | ct_bus_entry((struct __bus_entry *) cur); |
247 | ct_bus_entry((struct __bus_entry *) cur); |
248 | cur += 8; |
248 | cur += 8; |
249 | break; |
249 | break; |
250 | 250 | ||
251 | /* I/O Apic */ |
251 | /* I/O Apic */ |
252 | case 2: |
252 | case 2: |
253 | 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; |
254 | io_apic_entry_cnt++; |
254 | io_apic_entry_cnt++; |
255 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
255 | ct_io_apic_entry((struct __io_apic_entry *) cur); |
256 | cur += 8; |
256 | cur += 8; |
257 | break; |
257 | break; |
258 | 258 | ||
259 | /* I/O Interrupt Assignment */ |
259 | /* I/O Interrupt Assignment */ |
260 | case 3: |
260 | case 3: |
261 | 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; |
262 | io_intr_entry_cnt++; |
262 | io_intr_entry_cnt++; |
263 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
263 | ct_io_intr_entry((struct __io_intr_entry *) cur); |
264 | cur += 8; |
264 | cur += 8; |
265 | break; |
265 | break; |
266 | 266 | ||
267 | /* Local Interrupt Assignment */ |
267 | /* Local Interrupt Assignment */ |
268 | case 4: |
268 | case 4: |
269 | 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; |
270 | l_intr_entry_cnt++; |
270 | l_intr_entry_cnt++; |
271 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
271 | ct_l_intr_entry((struct __l_intr_entry *) cur); |
272 | cur += 8; |
272 | cur += 8; |
273 | break; |
273 | break; |
274 | 274 | ||
275 | default: |
275 | default: |
276 | /* |
276 | /* |
277 | * Something is wrong. Fallback to UP mode. |
277 | * Something is wrong. Fallback to UP mode. |
278 | */ |
278 | */ |
279 | 279 | ||
280 | printf("%s: ct badness\n", __FUNCTION__); |
280 | printf("%s: ct badness\n", __FUNCTION__); |
281 | return 1; |
281 | return 1; |
282 | } |
282 | } |
283 | } |
283 | } |
284 | 284 | ||
285 | /* |
285 | /* |
286 | * Process extended entries. |
286 | * Process extended entries. |
287 | */ |
287 | */ |
288 | ct_extended_entries(); |
288 | ct_extended_entries(); |
289 | return cnt; |
289 | return cnt; |
290 | } |
290 | } |
291 | 291 | ||
292 | int configure_via_default(__u8 n) |
292 | int configure_via_default(uint8_t n) |
293 | { |
293 | { |
294 | /* |
294 | /* |
295 | * Not yet implemented. |
295 | * Not yet implemented. |
296 | */ |
296 | */ |
297 | printf("%s: not supported\n", __FUNCTION__); |
297 | printf("%s: not supported\n", __FUNCTION__); |
298 | return 1; |
298 | return 1; |
299 | } |
299 | } |
300 | 300 | ||
301 | 301 | ||
302 | int ct_processor_entry(struct __processor_entry *pr) |
302 | int ct_processor_entry(struct __processor_entry *pr) |
303 | { |
303 | { |
304 | /* |
304 | /* |
305 | * Ignore processors which are not marked enabled. |
305 | * Ignore processors which are not marked enabled. |
306 | */ |
306 | */ |
307 | if ((pr->cpu_flags & (1<<0)) == 0) |
307 | if ((pr->cpu_flags & (1<<0)) == 0) |
308 | return 0; |
308 | return 0; |
309 | 309 | ||
310 | apic_id_mask |= (1<<pr->l_apic_id); |
310 | apic_id_mask |= (1<<pr->l_apic_id); |
311 | return 1; |
311 | return 1; |
312 | } |
312 | } |
313 | 313 | ||
314 | void ct_bus_entry(struct __bus_entry *bus) |
314 | void ct_bus_entry(struct __bus_entry *bus) |
315 | { |
315 | { |
316 | #ifdef MPSCT_VERBOSE |
316 | #ifdef MPSCT_VERBOSE |
317 | char buf[7]; |
317 | char buf[7]; |
318 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
318 | memcpy((void *) buf, (void *) bus->bus_type, 6); |
319 | buf[6] = 0; |
319 | buf[6] = 0; |
320 | printf("bus%d: %s\n", bus->bus_id, buf); |
320 | printf("bus%d: %s\n", bus->bus_id, buf); |
321 | #endif |
321 | #endif |
322 | } |
322 | } |
323 | 323 | ||
324 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
324 | void ct_io_apic_entry(struct __io_apic_entry *ioa) |
325 | { |
325 | { |
326 | static int io_apic_count = 0; |
326 | static int io_apic_count = 0; |
327 | 327 | ||
328 | /* this ioapic is marked unusable */ |
328 | /* this ioapic is marked unusable */ |
329 | if ((ioa->io_apic_flags & 1) == 0) |
329 | if ((ioa->io_apic_flags & 1) == 0) |
330 | return; |
330 | return; |
331 | 331 | ||
332 | if (io_apic_count++ > 0) { |
332 | if (io_apic_count++ > 0) { |
333 | /* |
333 | /* |
334 | * Multiple IO APIC's are currently not supported. |
334 | * Multiple IO APIC's are currently not supported. |
335 | */ |
335 | */ |
336 | return; |
336 | return; |
337 | } |
337 | } |
338 | 338 | ||
339 | io_apic = (__u32 *)(__address)ioa->io_apic; |
339 | io_apic = (uint32_t *)(uintptr_t)ioa->io_apic; |
340 | } |
340 | } |
341 | 341 | ||
342 | //#define MPSCT_VERBOSE |
342 | //#define MPSCT_VERBOSE |
343 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
343 | void ct_io_intr_entry(struct __io_intr_entry *iointr) |
344 | { |
344 | { |
345 | #ifdef MPSCT_VERBOSE |
345 | #ifdef MPSCT_VERBOSE |
346 | switch (iointr->intr_type) { |
346 | switch (iointr->intr_type) { |
347 | case 0: printf("INT"); break; |
347 | case 0: printf("INT"); break; |
348 | case 1: printf("NMI"); break; |
348 | case 1: printf("NMI"); break; |
349 | case 2: printf("SMI"); break; |
349 | case 2: printf("SMI"); break; |
350 | case 3: printf("ExtINT"); break; |
350 | case 3: printf("ExtINT"); break; |
351 | } |
351 | } |
352 | putchar(','); |
352 | putchar(','); |
353 | switch (iointr->poel&3) { |
353 | switch (iointr->poel&3) { |
354 | case 0: printf("bus-like"); break; |
354 | case 0: printf("bus-like"); break; |
355 | case 1: printf("active high"); break; |
355 | case 1: printf("active high"); break; |
356 | case 2: printf("reserved"); break; |
356 | case 2: printf("reserved"); break; |
357 | case 3: printf("active low"); break; |
357 | case 3: printf("active low"); break; |
358 | } |
358 | } |
359 | putchar(','); |
359 | putchar(','); |
360 | switch ((iointr->poel>>2)&3) { |
360 | switch ((iointr->poel>>2)&3) { |
361 | case 0: printf("bus-like"); break; |
361 | case 0: printf("bus-like"); break; |
362 | case 1: printf("edge-triggered"); break; |
362 | case 1: printf("edge-triggered"); break; |
363 | case 2: printf("reserved"); break; |
363 | case 2: printf("reserved"); break; |
364 | case 3: printf("level-triggered"); break; |
364 | case 3: printf("level-triggered"); break; |
365 | } |
365 | } |
366 | putchar(','); |
366 | putchar(','); |
367 | 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); |
368 | putchar(','); |
368 | putchar(','); |
369 | 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); |
370 | putchar('\n'); |
370 | putchar('\n'); |
371 | #endif |
371 | #endif |
372 | } |
372 | } |
373 | 373 | ||
374 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
374 | void ct_l_intr_entry(struct __l_intr_entry *lintr) |
375 | { |
375 | { |
376 | #ifdef MPSCT_VERBOSE |
376 | #ifdef MPSCT_VERBOSE |
377 | switch (lintr->intr_type) { |
377 | switch (lintr->intr_type) { |
378 | case 0: printf("INT"); break; |
378 | case 0: printf("INT"); break; |
379 | case 1: printf("NMI"); break; |
379 | case 1: printf("NMI"); break; |
380 | case 2: printf("SMI"); break; |
380 | case 2: printf("SMI"); break; |
381 | case 3: printf("ExtINT"); break; |
381 | case 3: printf("ExtINT"); break; |
382 | } |
382 | } |
383 | putchar(','); |
383 | putchar(','); |
384 | switch (lintr->poel&3) { |
384 | switch (lintr->poel&3) { |
385 | case 0: printf("bus-like"); break; |
385 | case 0: printf("bus-like"); break; |
386 | case 1: printf("active high"); break; |
386 | case 1: printf("active high"); break; |
387 | case 2: printf("reserved"); break; |
387 | case 2: printf("reserved"); break; |
388 | case 3: printf("active low"); break; |
388 | case 3: printf("active low"); break; |
389 | } |
389 | } |
390 | putchar(','); |
390 | putchar(','); |
391 | switch ((lintr->poel>>2)&3) { |
391 | switch ((lintr->poel>>2)&3) { |
392 | case 0: printf("bus-like"); break; |
392 | case 0: printf("bus-like"); break; |
393 | case 1: printf("edge-triggered"); break; |
393 | case 1: printf("edge-triggered"); break; |
394 | case 2: printf("reserved"); break; |
394 | case 2: printf("reserved"); break; |
395 | case 3: printf("level-triggered"); break; |
395 | case 3: printf("level-triggered"); break; |
396 | } |
396 | } |
397 | putchar(','); |
397 | putchar(','); |
398 | 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); |
399 | putchar(','); |
399 | putchar(','); |
400 | 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); |
401 | putchar('\n'); |
401 | putchar('\n'); |
402 | #endif |
402 | #endif |
403 | } |
403 | } |
404 | 404 | ||
405 | void ct_extended_entries(void) |
405 | void ct_extended_entries(void) |
406 | { |
406 | { |
407 | __u8 *ext = (__u8 *) ct + ct->base_table_length; |
407 | uint8_t *ext = (uint8_t *) ct + ct->base_table_length; |
408 | __u8 *cur; |
408 | uint8_t *cur; |
409 | 409 | ||
410 | 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]) { |
411 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
411 | switch (cur[CT_EXT_ENTRY_TYPE]) { |
412 | default: |
412 | default: |
413 | 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]); |
414 | break; |
414 | break; |
415 | } |
415 | } |
416 | } |
416 | } |
417 | } |
417 | } |
418 | 418 | ||
419 | int mps_irq_to_pin(int irq) |
419 | int mps_irq_to_pin(int irq) |
420 | { |
420 | { |
421 | int i; |
421 | int i; |
422 | 422 | ||
423 | for(i=0;i<io_intr_entry_cnt;i++) { |
423 | for(i=0;i<io_intr_entry_cnt;i++) { |
424 | 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) |
425 | return io_intr_entries[i].dst_io_apic_pin; |
425 | return io_intr_entries[i].dst_io_apic_pin; |
426 | } |
426 | } |
427 | 427 | ||
428 | return -1; |
428 | return -1; |
429 | } |
429 | } |
430 | 430 | ||
431 | #endif /* CONFIG_SMP */ |
431 | #endif /* CONFIG_SMP */ |
432 | 432 | ||
433 | /** @} |
433 | /** @} |
434 | */ |
434 | */ |
435 | 435 | ||
436 | 436 |