Rev 1757 | Rev 1787 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 1757 | Rev 1780 | ||
---|---|---|---|
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 |
29 | /** @addtogroup main |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | * @brief Main initialization kernel function for all processors. |
35 | * @brief Main initialization kernel function for all processors. |
36 | * |
36 | * |
37 | * During kernel boot, all processors, after architecture dependent |
37 | * During kernel boot, all processors, after architecture dependent |
38 | * initialization, start executing code found in this file. After |
38 | * initialization, start executing code found in this file. After |
39 | * bringing up all subsystems, control is passed to scheduler(). |
39 | * bringing up all subsystems, control is passed to scheduler(). |
40 | * |
40 | * |
41 | * The bootstrap processor starts executing main_bsp() while |
41 | * The bootstrap processor starts executing main_bsp() while |
42 | * the application processors start executing main_ap(). |
42 | * the application processors start executing main_ap(). |
43 | * |
43 | * |
44 | * @see scheduler() |
44 | * @see scheduler() |
45 | * @see main_bsp() |
45 | * @see main_bsp() |
46 | * @see main_ap() |
46 | * @see main_ap() |
47 | */ |
47 | */ |
48 | 48 | ||
49 | #include <arch/asm.h> |
49 | #include <arch/asm.h> |
50 | #include <context.h> |
50 | #include <context.h> |
51 | #include <print.h> |
51 | #include <print.h> |
52 | #include <panic.h> |
52 | #include <panic.h> |
53 | #include <debug.h> |
53 | #include <debug.h> |
54 | #include <config.h> |
54 | #include <config.h> |
55 | #include <time/clock.h> |
55 | #include <time/clock.h> |
56 | #include <proc/scheduler.h> |
56 | #include <proc/scheduler.h> |
57 | #include <proc/thread.h> |
57 | #include <proc/thread.h> |
58 | #include <proc/task.h> |
58 | #include <proc/task.h> |
59 | #include <main/kinit.h> |
59 | #include <main/kinit.h> |
60 | #include <main/version.h> |
60 | #include <main/version.h> |
61 | #include <console/kconsole.h> |
61 | #include <console/kconsole.h> |
62 | #include <cpu.h> |
62 | #include <cpu.h> |
63 | #include <align.h> |
63 | #include <align.h> |
64 | #include <interrupt.h> |
64 | #include <interrupt.h> |
65 | #include <arch/mm/memory_init.h> |
65 | #include <arch/mm/memory_init.h> |
66 | #include <mm/frame.h> |
66 | #include <mm/frame.h> |
67 | #include <mm/page.h> |
67 | #include <mm/page.h> |
68 | #include <genarch/mm/page_pt.h> |
68 | #include <genarch/mm/page_pt.h> |
69 | #include <mm/tlb.h> |
69 | #include <mm/tlb.h> |
70 | #include <mm/as.h> |
70 | #include <mm/as.h> |
71 | #include <mm/slab.h> |
71 | #include <mm/slab.h> |
72 | #include <synch/waitq.h> |
72 | #include <synch/waitq.h> |
73 | #include <synch/futex.h> |
73 | #include <synch/futex.h> |
74 | #include <arch/arch.h> |
74 | #include <arch/arch.h> |
75 | #include <arch.h> |
75 | #include <arch.h> |
76 | #include <arch/faddr.h> |
76 | #include <arch/faddr.h> |
77 | #include <typedefs.h> |
77 | #include <typedefs.h> |
78 | #include <ipc/ipc.h> |
78 | #include <ipc/ipc.h> |
79 | #include <macros.h> |
79 | #include <macros.h> |
80 | #include <adt/btree.h> |
80 | #include <adt/btree.h> |
81 | #include <console/klog.h> |
81 | #include <console/klog.h> |
82 | 82 | ||
83 | #ifdef CONFIG_SMP |
83 | #ifdef CONFIG_SMP |
84 | #include <arch/smp/apic.h> |
84 | #include <arch/smp/apic.h> |
85 | #include <arch/smp/mps.h> |
85 | #include <arch/smp/mps.h> |
86 | #endif /* CONFIG_SMP */ |
86 | #endif /* CONFIG_SMP */ |
87 | #include <smp/smp.h> |
87 | #include <smp/smp.h> |
88 | 88 | ||
89 | /** Global configuration structure. */ |
89 | /** Global configuration structure. */ |
90 | config_t config; |
90 | config_t config; |
91 | 91 | ||
92 | /** Initial user-space tasks */ |
92 | /** Initial user-space tasks */ |
93 | init_t init = { |
93 | init_t init = { |
94 | 0 |
94 | 0 |
95 | }; |
95 | }; |
96 | 96 | ||
97 | context_t ctx; |
97 | context_t ctx; |
98 | 98 | ||
99 | /* |
99 | /* |
100 | * These 'hardcoded' variables will be intialized by |
100 | * These 'hardcoded' variables will be intialized by |
101 | * the linker or the low level assembler code with |
101 | * the linker or the low level assembler code with |
102 | * appropriate sizes and addresses. |
102 | * appropriate sizes and addresses. |
103 | */ |
103 | */ |
104 | __address hardcoded_load_address = 0; /**< Virtual address of where the kernel is loaded. */ |
104 | uintptr_t hardcoded_load_address = 0; /**< Virtual address of where the kernel is loaded. */ |
105 | size_t hardcoded_ktext_size = 0; /**< Size of the kernel code in bytes. */ |
105 | size_t hardcoded_ktext_size = 0; /**< Size of the kernel code in bytes. */ |
106 | size_t hardcoded_kdata_size = 0; /**< Size of the kernel data in bytes. */ |
106 | size_t hardcoded_kdata_size = 0; /**< Size of the kernel data in bytes. */ |
107 | 107 | ||
108 | void main_bsp(void); |
108 | void main_bsp(void); |
109 | void main_ap(void); |
109 | void main_ap(void); |
110 | 110 | ||
111 | /* |
111 | /* |
112 | * These two functions prevent stack from underflowing during the |
112 | * These two functions prevent stack from underflowing during the |
113 | * kernel boot phase when SP is set to the very top of the reserved |
113 | * kernel boot phase when SP is set to the very top of the reserved |
114 | * space. The stack could get corrupted by a fooled compiler-generated |
114 | * space. The stack could get corrupted by a fooled compiler-generated |
115 | * pop sequence otherwise. |
115 | * pop sequence otherwise. |
116 | */ |
116 | */ |
117 | static void main_bsp_separated_stack(void); |
117 | static void main_bsp_separated_stack(void); |
118 | #ifdef CONFIG_SMP |
118 | #ifdef CONFIG_SMP |
119 | static void main_ap_separated_stack(void); |
119 | static void main_ap_separated_stack(void); |
120 | #endif |
120 | #endif |
121 | 121 | ||
122 | #define CONFIG_STACK_SIZE ((1<<STACK_FRAMES)*STACK_SIZE) |
122 | #define CONFIG_STACK_SIZE ((1<<STACK_FRAMES)*STACK_SIZE) |
123 | 123 | ||
124 | /** Main kernel routine for bootstrap CPU. |
124 | /** Main kernel routine for bootstrap CPU. |
125 | * |
125 | * |
126 | * Initializes the kernel by bootstrap CPU. |
126 | * Initializes the kernel by bootstrap CPU. |
127 | * This function passes control directly to |
127 | * This function passes control directly to |
128 | * main_bsp_separated_stack(). |
128 | * main_bsp_separated_stack(). |
129 | * |
129 | * |
130 | * Assuming interrupts_disable(). |
130 | * Assuming interrupts_disable(). |
131 | * |
131 | * |
132 | */ |
132 | */ |
133 | void main_bsp(void) |
133 | void main_bsp(void) |
134 | { |
134 | { |
135 | __address stackaddr; |
135 | uintptr_t stackaddr; |
136 | 136 | ||
137 | config.cpu_count = 1; |
137 | config.cpu_count = 1; |
138 | config.cpu_active = 1; |
138 | config.cpu_active = 1; |
139 | 139 | ||
140 | config.base = hardcoded_load_address; |
140 | config.base = hardcoded_load_address; |
141 | config.memory_size = get_memory_size(); |
141 | config.memory_size = get_memory_size(); |
142 | 142 | ||
143 | config.kernel_size = ALIGN_UP(hardcoded_ktext_size + hardcoded_kdata_size, PAGE_SIZE); |
143 | config.kernel_size = ALIGN_UP(hardcoded_ktext_size + hardcoded_kdata_size, PAGE_SIZE); |
144 | stackaddr = config.base + config.kernel_size; |
144 | stackaddr = config.base + config.kernel_size; |
145 | 145 | ||
146 | /* Avoid placing kernel on top of init */ |
146 | /* Avoid placing kernel on top of init */ |
147 | count_t i; |
147 | count_t i; |
148 | bool overlap = false; |
148 | bool overlap = false; |
149 | for (i = 0; i < init.cnt; i++) |
149 | for (i = 0; i < init.cnt; i++) |
150 | if (PA_overlaps(stackaddr, CONFIG_STACK_SIZE, init.tasks[i].addr, init.tasks[i].size)) { |
150 | if (PA_overlaps(stackaddr, CONFIG_STACK_SIZE, init.tasks[i].addr, init.tasks[i].size)) { |
151 | stackaddr = ALIGN_UP(init.tasks[i].addr + init.tasks[i].size, CONFIG_STACK_SIZE); |
151 | stackaddr = ALIGN_UP(init.tasks[i].addr + init.tasks[i].size, CONFIG_STACK_SIZE); |
152 | init.tasks[i].size = ALIGN_UP(init.tasks[i].size, CONFIG_STACK_SIZE) + CONFIG_STACK_SIZE; |
152 | init.tasks[i].size = ALIGN_UP(init.tasks[i].size, CONFIG_STACK_SIZE) + CONFIG_STACK_SIZE; |
153 | overlap = true; |
153 | overlap = true; |
154 | } |
154 | } |
155 | 155 | ||
156 | if (!overlap) |
156 | if (!overlap) |
157 | config.kernel_size += CONFIG_STACK_SIZE; |
157 | config.kernel_size += CONFIG_STACK_SIZE; |
158 | 158 | ||
159 | context_save(&ctx); |
159 | context_save(&ctx); |
160 | context_set(&ctx, FADDR(main_bsp_separated_stack), stackaddr, THREAD_STACK_SIZE); |
160 | context_set(&ctx, FADDR(main_bsp_separated_stack), stackaddr, THREAD_STACK_SIZE); |
161 | context_restore(&ctx); |
161 | context_restore(&ctx); |
162 | /* not reached */ |
162 | /* not reached */ |
163 | } |
163 | } |
164 | 164 | ||
165 | 165 | ||
166 | /** Main kernel routine for bootstrap CPU using new stack. |
166 | /** Main kernel routine for bootstrap CPU using new stack. |
167 | * |
167 | * |
168 | * Second part of main_bsp(). |
168 | * Second part of main_bsp(). |
169 | * |
169 | * |
170 | */ |
170 | */ |
171 | void main_bsp_separated_stack(void) |
171 | void main_bsp_separated_stack(void) |
172 | { |
172 | { |
173 | task_t *k; |
173 | task_t *k; |
174 | thread_t *t; |
174 | thread_t *t; |
175 | count_t i; |
175 | count_t i; |
176 | 176 | ||
177 | the_initialize(THE); |
177 | the_initialize(THE); |
178 | 178 | ||
179 | /* |
179 | /* |
180 | * kconsole data structures must be initialized very early |
180 | * kconsole data structures must be initialized very early |
181 | * because other subsystems will register their respective |
181 | * because other subsystems will register their respective |
182 | * commands. |
182 | * commands. |
183 | */ |
183 | */ |
184 | kconsole_init(); |
184 | kconsole_init(); |
185 | 185 | ||
186 | /* |
186 | /* |
187 | * Exception handler initialization, before architecture |
187 | * Exception handler initialization, before architecture |
188 | * starts adding its own handlers |
188 | * starts adding its own handlers |
189 | */ |
189 | */ |
190 | exc_init(); |
190 | exc_init(); |
191 | 191 | ||
192 | /* |
192 | /* |
193 | * Memory management subsystems initialization. |
193 | * Memory management subsystems initialization. |
194 | */ |
194 | */ |
195 | arch_pre_mm_init(); |
195 | arch_pre_mm_init(); |
196 | frame_init(); /* Initialize at least 1 memory segment big enough for slab to work */ |
196 | frame_init(); /* Initialize at least 1 memory segment big enough for slab to work */ |
197 | slab_cache_init(); |
197 | slab_cache_init(); |
198 | btree_init(); |
198 | btree_init(); |
199 | as_init(); |
199 | as_init(); |
200 | page_init(); |
200 | page_init(); |
201 | tlb_init(); |
201 | tlb_init(); |
202 | arch_post_mm_init(); |
202 | arch_post_mm_init(); |
203 | 203 | ||
204 | version_print(); |
204 | version_print(); |
205 | 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 | printf("%.*p: hardcoded_ktext_size=%zdK, hardcoded_kdata_size=%zdK\n", sizeof(uintptr_t) * 2, config.base, hardcoded_ktext_size >> 10, hardcoded_kdata_size >> 10); |
206 | 206 | ||
207 | arch_pre_smp_init(); |
207 | arch_pre_smp_init(); |
208 | smp_init(); |
208 | smp_init(); |
209 | 209 | ||
210 | slab_enable_cpucache(); /* Slab must be initialized AFTER we know the number of processors */ |
210 | slab_enable_cpucache(); /* Slab must be initialized AFTER we know the number of processors */ |
211 | 211 | ||
212 | printf("config.memory_size=%zdM\n", config.memory_size >> 20); |
212 | printf("config.memory_size=%zdM\n", config.memory_size >> 20); |
213 | printf("config.cpu_count=%zd\n", config.cpu_count); |
213 | printf("config.cpu_count=%zd\n", config.cpu_count); |
214 | cpu_init(); |
214 | cpu_init(); |
215 | 215 | ||
216 | calibrate_delay_loop(); |
216 | calibrate_delay_loop(); |
217 | clock_counter_init(); |
217 | clock_counter_init(); |
218 | timeout_init(); |
218 | timeout_init(); |
219 | scheduler_init(); |
219 | scheduler_init(); |
220 | task_init(); |
220 | task_init(); |
221 | thread_init(); |
221 | thread_init(); |
222 | futex_init(); |
222 | futex_init(); |
223 | klog_init(); |
223 | klog_init(); |
224 | 224 | ||
225 | for (i = 0; i < init.cnt; i++) |
225 | for (i = 0; i < init.cnt; i++) |
226 | printf("init[%zd].addr=%.*p, init[%zd].size=%zd\n", i, sizeof(__address) * 2, init.tasks[i].addr, i, init.tasks[i].size); |
226 | printf("init[%zd].addr=%.*p, init[%zd].size=%zd\n", i, sizeof(uintptr_t) * 2, init.tasks[i].addr, i, init.tasks[i].size); |
227 | 227 | ||
228 | ipc_init(); |
228 | ipc_init(); |
229 | 229 | ||
230 | /* |
230 | /* |
231 | * Create kernel task. |
231 | * Create kernel task. |
232 | */ |
232 | */ |
233 | k = task_create(AS_KERNEL, "KERNEL"); |
233 | k = task_create(AS_KERNEL, "KERNEL"); |
234 | if (!k) |
234 | if (!k) |
235 | panic("can't create kernel task\n"); |
235 | panic("can't create kernel task\n"); |
236 | 236 | ||
237 | /* |
237 | /* |
238 | * Create the first thread. |
238 | * Create the first thread. |
239 | */ |
239 | */ |
240 | t = thread_create(kinit, NULL, k, 0, "kinit"); |
240 | t = thread_create(kinit, NULL, k, 0, "kinit"); |
241 | if (!t) |
241 | if (!t) |
242 | panic("can't create kinit thread\n"); |
242 | panic("can't create kinit thread\n"); |
243 | thread_ready(t); |
243 | thread_ready(t); |
244 | 244 | ||
245 | /* |
245 | /* |
246 | * This call to scheduler() will return to kinit, |
246 | * This call to scheduler() will return to kinit, |
247 | * starting the thread of kernel threads. |
247 | * starting the thread of kernel threads. |
248 | */ |
248 | */ |
249 | scheduler(); |
249 | scheduler(); |
250 | /* not reached */ |
250 | /* not reached */ |
251 | } |
251 | } |
252 | 252 | ||
253 | 253 | ||
254 | #ifdef CONFIG_SMP |
254 | #ifdef CONFIG_SMP |
255 | /** Main kernel routine for application CPUs. |
255 | /** Main kernel routine for application CPUs. |
256 | * |
256 | * |
257 | * Executed by application processors, temporary stack |
257 | * Executed by application processors, temporary stack |
258 | * is at ctx.sp which was set during BP boot. |
258 | * is at ctx.sp which was set during BP boot. |
259 | * This function passes control directly to |
259 | * This function passes control directly to |
260 | * main_ap_separated_stack(). |
260 | * main_ap_separated_stack(). |
261 | * |
261 | * |
262 | * Assuming interrupts_disable()'d. |
262 | * Assuming interrupts_disable()'d. |
263 | * |
263 | * |
264 | */ |
264 | */ |
265 | void main_ap(void) |
265 | void main_ap(void) |
266 | { |
266 | { |
267 | /* |
267 | /* |
268 | * Incrementing the active CPU counter will guarantee that the |
268 | * Incrementing the active CPU counter will guarantee that the |
269 | * pm_init() will not attempt to build GDT and IDT tables again. |
269 | * pm_init() will not attempt to build GDT and IDT tables again. |
270 | * Neither frame_init() will do the complete thing. Neither cpu_init() |
270 | * Neither frame_init() will do the complete thing. Neither cpu_init() |
271 | * will do. |
271 | * will do. |
272 | */ |
272 | */ |
273 | config.cpu_active++; |
273 | config.cpu_active++; |
274 | 274 | ||
275 | /* |
275 | /* |
276 | * The THE structure is well defined because ctx.sp is used as stack. |
276 | * The THE structure is well defined because ctx.sp is used as stack. |
277 | */ |
277 | */ |
278 | the_initialize(THE); |
278 | the_initialize(THE); |
279 | 279 | ||
280 | arch_pre_mm_init(); |
280 | arch_pre_mm_init(); |
281 | frame_init(); |
281 | frame_init(); |
282 | page_init(); |
282 | page_init(); |
283 | tlb_init(); |
283 | tlb_init(); |
284 | arch_post_mm_init(); |
284 | arch_post_mm_init(); |
285 | 285 | ||
286 | cpu_init(); |
286 | cpu_init(); |
287 | 287 | ||
288 | calibrate_delay_loop(); |
288 | calibrate_delay_loop(); |
289 | 289 | ||
290 | l_apic_init(); |
290 | l_apic_init(); |
291 | l_apic_debug(); |
291 | l_apic_debug(); |
292 | 292 | ||
293 | the_copy(THE, (the_t *) CPU->stack); |
293 | the_copy(THE, (the_t *) CPU->stack); |
294 | 294 | ||
295 | /* |
295 | /* |
296 | * If we woke kmp up before we left the kernel stack, we could |
296 | * If we woke kmp up before we left the kernel stack, we could |
297 | * collide with another CPU coming up. To prevent this, we |
297 | * collide with another CPU coming up. To prevent this, we |
298 | * switch to this cpu's private stack prior to waking kmp up. |
298 | * switch to this cpu's private stack prior to waking kmp up. |
299 | */ |
299 | */ |
300 | context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), (__address) CPU->stack, CPU_STACK_SIZE); |
300 | context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), (uintptr_t) CPU->stack, CPU_STACK_SIZE); |
301 | context_restore(&CPU->saved_context); |
301 | context_restore(&CPU->saved_context); |
302 | /* not reached */ |
302 | /* not reached */ |
303 | } |
303 | } |
304 | 304 | ||
305 | 305 | ||
306 | /** Main kernel routine for application CPUs using new stack. |
306 | /** Main kernel routine for application CPUs using new stack. |
307 | * |
307 | * |
308 | * Second part of main_ap(). |
308 | * Second part of main_ap(). |
309 | * |
309 | * |
310 | */ |
310 | */ |
311 | void main_ap_separated_stack(void) |
311 | void main_ap_separated_stack(void) |
312 | { |
312 | { |
313 | /* |
313 | /* |
314 | * Configure timeouts for this cpu. |
314 | * Configure timeouts for this cpu. |
315 | */ |
315 | */ |
316 | timeout_init(); |
316 | timeout_init(); |
317 | 317 | ||
318 | waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST); |
318 | waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST); |
319 | scheduler(); |
319 | scheduler(); |
320 | /* not reached */ |
320 | /* not reached */ |
321 | } |
321 | } |
322 | #endif /* CONFIG_SMP */ |
322 | #endif /* CONFIG_SMP */ |
323 | 323 | ||
324 | /** @} |
324 | /** @} |
325 | */ |
325 | */ |
326 | 326 |