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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 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 main |
|
- | 30 | * @{ |
|
- | 31 | */ |
|
- | 32 | ||
29 | /** |
33 | /** |
30 | * @file main.c |
34 | * @file |
31 | * @brief Main initialization kernel function for all processors. |
35 | * @brief Main initialization kernel function for all processors. |
32 | * |
36 | * |
33 | * During kernel boot, all processors, after architecture dependent |
37 | * During kernel boot, all processors, after architecture dependent |
34 | * initialization, start executing code found in this file. After |
38 | * initialization, start executing code found in this file. After |
35 | * bringing up all subsystems, control is passed to scheduler(). |
39 | * bringing up all subsystems, control is passed to scheduler(). |
36 | * |
40 | * |
37 | * The bootstrap processor starts executing main_bsp() while |
41 | * The bootstrap processor starts executing main_bsp() while |
38 | * the application processors start executing main_ap(). |
42 | * the application processors start executing main_ap(). |
39 | * |
43 | * |
40 | * @see scheduler() |
44 | * @see scheduler() |
41 | * @see main_bsp() |
45 | * @see main_bsp() |
42 | * @see main_ap() |
46 | * @see main_ap() |
43 | */ |
47 | */ |
44 | 48 | ||
45 | #include <arch/asm.h> |
49 | #include <arch/asm.h> |
46 | #include <context.h> |
50 | #include <context.h> |
47 | #include <print.h> |
51 | #include <print.h> |
48 | #include <panic.h> |
52 | #include <panic.h> |
49 | #include <debug.h> |
53 | #include <debug.h> |
50 | #include <config.h> |
54 | #include <config.h> |
51 | #include <time/clock.h> |
55 | #include <time/clock.h> |
52 | #include <proc/scheduler.h> |
56 | #include <proc/scheduler.h> |
53 | #include <proc/thread.h> |
57 | #include <proc/thread.h> |
54 | #include <proc/task.h> |
58 | #include <proc/task.h> |
55 | #include <main/kinit.h> |
59 | #include <main/kinit.h> |
56 | #include <main/version.h> |
60 | #include <main/version.h> |
57 | #include <console/kconsole.h> |
61 | #include <console/kconsole.h> |
58 | #include <cpu.h> |
62 | #include <cpu.h> |
59 | #include <align.h> |
63 | #include <align.h> |
60 | #include <interrupt.h> |
64 | #include <interrupt.h> |
61 | #include <arch/mm/memory_init.h> |
65 | #include <arch/mm/memory_init.h> |
62 | #include <mm/frame.h> |
66 | #include <mm/frame.h> |
63 | #include <mm/page.h> |
67 | #include <mm/page.h> |
64 | #include <genarch/mm/page_pt.h> |
68 | #include <genarch/mm/page_pt.h> |
65 | #include <mm/tlb.h> |
69 | #include <mm/tlb.h> |
66 | #include <mm/as.h> |
70 | #include <mm/as.h> |
67 | #include <mm/slab.h> |
71 | #include <mm/slab.h> |
68 | #include <synch/waitq.h> |
72 | #include <synch/waitq.h> |
69 | #include <synch/futex.h> |
73 | #include <synch/futex.h> |
70 | #include <arch/arch.h> |
74 | #include <arch/arch.h> |
71 | #include <arch.h> |
75 | #include <arch.h> |
72 | #include <arch/faddr.h> |
76 | #include <arch/faddr.h> |
73 | #include <typedefs.h> |
77 | #include <typedefs.h> |
74 | #include <ipc/ipc.h> |
78 | #include <ipc/ipc.h> |
75 | #include <macros.h> |
79 | #include <macros.h> |
76 | #include <adt/btree.h> |
80 | #include <adt/btree.h> |
77 | #include <console/klog.h> |
81 | #include <console/klog.h> |
78 | 82 | ||
79 | #ifdef CONFIG_SMP |
83 | #ifdef CONFIG_SMP |
80 | #include <arch/smp/apic.h> |
84 | #include <arch/smp/apic.h> |
81 | #include <arch/smp/mps.h> |
85 | #include <arch/smp/mps.h> |
82 | #endif /* CONFIG_SMP */ |
86 | #endif /* CONFIG_SMP */ |
83 | #include <smp/smp.h> |
87 | #include <smp/smp.h> |
84 | 88 | ||
85 | /** Global configuration structure. */ |
89 | /** Global configuration structure. */ |
86 | config_t config = { |
90 | config_t config = { |
87 | .mm_initialized = false |
91 | .mm_initialized = false |
88 | }; |
92 | }; |
89 | 93 | ||
90 | /** Initial user-space tasks */ |
94 | /** Initial user-space tasks */ |
91 | init_t init = { |
95 | init_t init = { |
92 | 0 |
96 | 0 |
93 | }; |
97 | }; |
94 | 98 | ||
95 | context_t ctx; |
99 | context_t ctx; |
96 | 100 | ||
97 | /** |
101 | /** |
98 | * These 'hardcoded' variables will be intialized by |
102 | * These 'hardcoded' variables will be intialized by |
99 | * the linker or the low level assembler code with |
103 | * the linker or the low level assembler code with |
100 | * appropriate sizes and addresses. |
104 | * appropriate sizes and addresses. |
101 | */ |
105 | */ |
102 | __address hardcoded_load_address = 0; |
106 | __address hardcoded_load_address = 0; |
103 | size_t hardcoded_ktext_size = 0; |
107 | size_t hardcoded_ktext_size = 0; |
104 | size_t hardcoded_kdata_size = 0; |
108 | size_t hardcoded_kdata_size = 0; |
105 | 109 | ||
106 | void main_bsp(void); |
110 | void main_bsp(void); |
107 | void main_ap(void); |
111 | void main_ap(void); |
108 | 112 | ||
109 | /* |
113 | /* |
110 | * These two functions prevent stack from underflowing during the |
114 | * These two functions prevent stack from underflowing during the |
111 | * kernel boot phase when SP is set to the very top of the reserved |
115 | * kernel boot phase when SP is set to the very top of the reserved |
112 | * space. The stack could get corrupted by a fooled compiler-generated |
116 | * space. The stack could get corrupted by a fooled compiler-generated |
113 | * pop sequence otherwise. |
117 | * pop sequence otherwise. |
114 | */ |
118 | */ |
115 | static void main_bsp_separated_stack(void); |
119 | static void main_bsp_separated_stack(void); |
116 | #ifdef CONFIG_SMP |
120 | #ifdef CONFIG_SMP |
117 | static void main_ap_separated_stack(void); |
121 | static void main_ap_separated_stack(void); |
118 | #endif |
122 | #endif |
119 | 123 | ||
120 | #define CONFIG_STACK_SIZE ((1<<STACK_FRAMES)*STACK_SIZE) |
124 | #define CONFIG_STACK_SIZE ((1<<STACK_FRAMES)*STACK_SIZE) |
121 | 125 | ||
122 | /** Main kernel routine for bootstrap CPU. |
126 | /** Main kernel routine for bootstrap CPU. |
123 | * |
127 | * |
124 | * Initializes the kernel by bootstrap CPU. |
128 | * Initializes the kernel by bootstrap CPU. |
125 | * This function passes control directly to |
129 | * This function passes control directly to |
126 | * main_bsp_separated_stack(). |
130 | * main_bsp_separated_stack(). |
127 | * |
131 | * |
128 | * Assuming interrupts_disable(). |
132 | * Assuming interrupts_disable(). |
129 | * |
133 | * |
130 | */ |
134 | */ |
131 | void main_bsp(void) |
135 | void main_bsp(void) |
132 | { |
136 | { |
133 | __address stackaddr; |
137 | __address stackaddr; |
134 | 138 | ||
135 | config.cpu_count = 1; |
139 | config.cpu_count = 1; |
136 | config.cpu_active = 1; |
140 | config.cpu_active = 1; |
137 | 141 | ||
138 | config.base = hardcoded_load_address; |
142 | config.base = hardcoded_load_address; |
139 | config.memory_size = get_memory_size(); |
143 | config.memory_size = get_memory_size(); |
140 | 144 | ||
141 | config.kernel_size = ALIGN_UP(hardcoded_ktext_size + hardcoded_kdata_size, PAGE_SIZE); |
145 | config.kernel_size = ALIGN_UP(hardcoded_ktext_size + hardcoded_kdata_size, PAGE_SIZE); |
142 | stackaddr = config.base + config.kernel_size; |
146 | stackaddr = config.base + config.kernel_size; |
143 | 147 | ||
144 | /* Avoid placing kernel on top of init */ |
148 | /* Avoid placing kernel on top of init */ |
145 | count_t i; |
149 | count_t i; |
146 | bool overlap = false; |
150 | bool overlap = false; |
147 | for (i = 0; i < init.cnt; i++) |
151 | for (i = 0; i < init.cnt; i++) |
148 | if (PA_overlaps(stackaddr, CONFIG_STACK_SIZE, init.tasks[i].addr, init.tasks[i].size)) { |
152 | if (PA_overlaps(stackaddr, CONFIG_STACK_SIZE, init.tasks[i].addr, init.tasks[i].size)) { |
149 | stackaddr = ALIGN_UP(init.tasks[i].addr + init.tasks[i].size, CONFIG_STACK_SIZE); |
153 | stackaddr = ALIGN_UP(init.tasks[i].addr + init.tasks[i].size, CONFIG_STACK_SIZE); |
150 | init.tasks[i].size = ALIGN_UP(init.tasks[i].size, CONFIG_STACK_SIZE) + CONFIG_STACK_SIZE; |
154 | init.tasks[i].size = ALIGN_UP(init.tasks[i].size, CONFIG_STACK_SIZE) + CONFIG_STACK_SIZE; |
151 | overlap = true; |
155 | overlap = true; |
152 | } |
156 | } |
153 | 157 | ||
154 | if (!overlap) |
158 | if (!overlap) |
155 | config.kernel_size += CONFIG_STACK_SIZE; |
159 | config.kernel_size += CONFIG_STACK_SIZE; |
156 | 160 | ||
157 | context_save(&ctx); |
161 | context_save(&ctx); |
158 | context_set(&ctx, FADDR(main_bsp_separated_stack), stackaddr, THREAD_STACK_SIZE); |
162 | context_set(&ctx, FADDR(main_bsp_separated_stack), stackaddr, THREAD_STACK_SIZE); |
159 | context_restore(&ctx); |
163 | context_restore(&ctx); |
160 | /* not reached */ |
164 | /* not reached */ |
161 | } |
165 | } |
162 | 166 | ||
163 | 167 | ||
164 | /** Main kernel routine for bootstrap CPU using new stack. |
168 | /** Main kernel routine for bootstrap CPU using new stack. |
165 | * |
169 | * |
166 | * Second part of main_bsp(). |
170 | * Second part of main_bsp(). |
167 | * |
171 | * |
168 | */ |
172 | */ |
169 | void main_bsp_separated_stack(void) |
173 | void main_bsp_separated_stack(void) |
170 | { |
174 | { |
171 | task_t *k; |
175 | task_t *k; |
172 | thread_t *t; |
176 | thread_t *t; |
173 | count_t i; |
177 | count_t i; |
174 | 178 | ||
175 | the_initialize(THE); |
179 | the_initialize(THE); |
176 | 180 | ||
177 | /* |
181 | /* |
178 | * kconsole data structures must be initialized very early |
182 | * kconsole data structures must be initialized very early |
179 | * because other subsystems will register their respective |
183 | * because other subsystems will register their respective |
180 | * commands. |
184 | * commands. |
181 | */ |
185 | */ |
182 | kconsole_init(); |
186 | kconsole_init(); |
183 | 187 | ||
184 | /* |
188 | /* |
185 | * Exception handler initialization, before architecture |
189 | * Exception handler initialization, before architecture |
186 | * starts adding its own handlers |
190 | * starts adding its own handlers |
187 | */ |
191 | */ |
188 | exc_init(); |
192 | exc_init(); |
189 | 193 | ||
190 | /* |
194 | /* |
191 | * Memory management subsystems initialization. |
195 | * Memory management subsystems initialization. |
192 | */ |
196 | */ |
193 | arch_pre_mm_init(); |
197 | arch_pre_mm_init(); |
194 | frame_init(); /* Initialize at least 1 memory segment big enough for slab to work */ |
198 | frame_init(); /* Initialize at least 1 memory segment big enough for slab to work */ |
195 | slab_cache_init(); |
199 | slab_cache_init(); |
196 | btree_init(); |
200 | btree_init(); |
197 | as_init(); |
201 | as_init(); |
198 | page_init(); |
202 | page_init(); |
199 | tlb_init(); |
203 | tlb_init(); |
200 | config.mm_initialized = true; |
204 | config.mm_initialized = true; |
201 | arch_post_mm_init(); |
205 | arch_post_mm_init(); |
202 | 206 | ||
203 | version_print(); |
207 | version_print(); |
204 | printf("%.*p: hardcoded_ktext_size=%zdK, hardcoded_kdata_size=%zdK\n", sizeof(__address) * 2, config.base, hardcoded_ktext_size >> 10, hardcoded_kdata_size >> 10); |
208 | printf("%.*p: hardcoded_ktext_size=%zdK, hardcoded_kdata_size=%zdK\n", sizeof(__address) * 2, config.base, hardcoded_ktext_size >> 10, hardcoded_kdata_size >> 10); |
205 | 209 | ||
206 | arch_pre_smp_init(); |
210 | arch_pre_smp_init(); |
207 | smp_init(); |
211 | smp_init(); |
208 | 212 | ||
209 | slab_enable_cpucache(); /* Slab must be initialized AFTER we know the number of processors */ |
213 | slab_enable_cpucache(); /* Slab must be initialized AFTER we know the number of processors */ |
210 | 214 | ||
211 | printf("config.memory_size=%zdM\n", config.memory_size >> 20); |
215 | printf("config.memory_size=%zdM\n", config.memory_size >> 20); |
212 | printf("config.cpu_count=%zd\n", config.cpu_count); |
216 | printf("config.cpu_count=%zd\n", config.cpu_count); |
213 | cpu_init(); |
217 | cpu_init(); |
214 | 218 | ||
215 | calibrate_delay_loop(); |
219 | calibrate_delay_loop(); |
216 | clock_counter_init(); |
220 | clock_counter_init(); |
217 | timeout_init(); |
221 | timeout_init(); |
218 | scheduler_init(); |
222 | scheduler_init(); |
219 | task_init(); |
223 | task_init(); |
220 | thread_init(); |
224 | thread_init(); |
221 | futex_init(); |
225 | futex_init(); |
222 | klog_init(); |
226 | klog_init(); |
223 | 227 | ||
224 | for (i = 0; i < init.cnt; i++) |
228 | for (i = 0; i < init.cnt; i++) |
225 | printf("init[%zd].addr=%.*p, init[%zd].size=%zd\n", i, sizeof(__address) * 2, init.tasks[i].addr, i, init.tasks[i].size); |
229 | printf("init[%zd].addr=%.*p, init[%zd].size=%zd\n", i, sizeof(__address) * 2, init.tasks[i].addr, i, init.tasks[i].size); |
226 | 230 | ||
227 | ipc_init(); |
231 | ipc_init(); |
228 | 232 | ||
229 | /* |
233 | /* |
230 | * Create kernel task. |
234 | * Create kernel task. |
231 | */ |
235 | */ |
232 | k = task_create(AS_KERNEL, "KERNEL"); |
236 | k = task_create(AS_KERNEL, "KERNEL"); |
233 | if (!k) |
237 | if (!k) |
234 | panic("can't create kernel task\n"); |
238 | panic("can't create kernel task\n"); |
235 | 239 | ||
236 | /* |
240 | /* |
237 | * Create the first thread. |
241 | * Create the first thread. |
238 | */ |
242 | */ |
239 | t = thread_create(kinit, NULL, k, 0, "kinit"); |
243 | t = thread_create(kinit, NULL, k, 0, "kinit"); |
240 | if (!t) |
244 | if (!t) |
241 | panic("can't create kinit thread\n"); |
245 | panic("can't create kinit thread\n"); |
242 | thread_ready(t); |
246 | thread_ready(t); |
243 | 247 | ||
244 | /* |
248 | /* |
245 | * This call to scheduler() will return to kinit, |
249 | * This call to scheduler() will return to kinit, |
246 | * starting the thread of kernel threads. |
250 | * starting the thread of kernel threads. |
247 | */ |
251 | */ |
248 | scheduler(); |
252 | scheduler(); |
249 | /* not reached */ |
253 | /* not reached */ |
250 | } |
254 | } |
251 | 255 | ||
252 | 256 | ||
253 | #ifdef CONFIG_SMP |
257 | #ifdef CONFIG_SMP |
254 | /** Main kernel routine for application CPUs. |
258 | /** Main kernel routine for application CPUs. |
255 | * |
259 | * |
256 | * Executed by application processors, temporary stack |
260 | * Executed by application processors, temporary stack |
257 | * is at ctx.sp which was set during BP boot. |
261 | * is at ctx.sp which was set during BP boot. |
258 | * This function passes control directly to |
262 | * This function passes control directly to |
259 | * main_ap_separated_stack(). |
263 | * main_ap_separated_stack(). |
260 | * |
264 | * |
261 | * Assuming interrupts_disable()'d. |
265 | * Assuming interrupts_disable()'d. |
262 | * |
266 | * |
263 | */ |
267 | */ |
264 | void main_ap(void) |
268 | void main_ap(void) |
265 | { |
269 | { |
266 | /* |
270 | /* |
267 | * Incrementing the active CPU counter will guarantee that the |
271 | * Incrementing the active CPU counter will guarantee that the |
268 | * pm_init() will not attempt to build GDT and IDT tables again. |
272 | * pm_init() will not attempt to build GDT and IDT tables again. |
269 | * Neither frame_init() will do the complete thing. Neither cpu_init() |
273 | * Neither frame_init() will do the complete thing. Neither cpu_init() |
270 | * will do. |
274 | * will do. |
271 | */ |
275 | */ |
272 | config.cpu_active++; |
276 | config.cpu_active++; |
273 | 277 | ||
274 | /* |
278 | /* |
275 | * The THE structure is well defined because ctx.sp is used as stack. |
279 | * The THE structure is well defined because ctx.sp is used as stack. |
276 | */ |
280 | */ |
277 | the_initialize(THE); |
281 | the_initialize(THE); |
278 | 282 | ||
279 | arch_pre_mm_init(); |
283 | arch_pre_mm_init(); |
280 | frame_init(); |
284 | frame_init(); |
281 | page_init(); |
285 | page_init(); |
282 | tlb_init(); |
286 | tlb_init(); |
283 | arch_post_mm_init(); |
287 | arch_post_mm_init(); |
284 | 288 | ||
285 | cpu_init(); |
289 | cpu_init(); |
286 | 290 | ||
287 | calibrate_delay_loop(); |
291 | calibrate_delay_loop(); |
288 | 292 | ||
289 | l_apic_init(); |
293 | l_apic_init(); |
290 | l_apic_debug(); |
294 | l_apic_debug(); |
291 | 295 | ||
292 | the_copy(THE, (the_t *) CPU->stack); |
296 | the_copy(THE, (the_t *) CPU->stack); |
293 | 297 | ||
294 | /* |
298 | /* |
295 | * If we woke kmp up before we left the kernel stack, we could |
299 | * If we woke kmp up before we left the kernel stack, we could |
296 | * collide with another CPU coming up. To prevent this, we |
300 | * collide with another CPU coming up. To prevent this, we |
297 | * switch to this cpu's private stack prior to waking kmp up. |
301 | * switch to this cpu's private stack prior to waking kmp up. |
298 | */ |
302 | */ |
299 | context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), (__address) CPU->stack, CPU_STACK_SIZE); |
303 | context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), (__address) CPU->stack, CPU_STACK_SIZE); |
300 | context_restore(&CPU->saved_context); |
304 | context_restore(&CPU->saved_context); |
301 | /* not reached */ |
305 | /* not reached */ |
302 | } |
306 | } |
303 | 307 | ||
304 | 308 | ||
305 | /** Main kernel routine for application CPUs using new stack. |
309 | /** Main kernel routine for application CPUs using new stack. |
306 | * |
310 | * |
307 | * Second part of main_ap(). |
311 | * Second part of main_ap(). |
308 | * |
312 | * |
309 | */ |
313 | */ |
310 | void main_ap_separated_stack(void) |
314 | void main_ap_separated_stack(void) |
311 | { |
315 | { |
312 | /* |
316 | /* |
313 | * Configure timeouts for this cpu. |
317 | * Configure timeouts for this cpu. |
314 | */ |
318 | */ |
315 | timeout_init(); |
319 | timeout_init(); |
316 | 320 | ||
317 | waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST); |
321 | waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST); |
318 | scheduler(); |
322 | scheduler(); |
319 | /* not reached */ |
323 | /* not reached */ |
320 | } |
324 | } |
321 | #endif /* CONFIG_SMP */ |
325 | #endif /* CONFIG_SMP */ |
- | 326 | ||
- | 327 | /** @} |
|
- | 328 | */ |
|
- | 329 | ||
322 | 330 |