WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/src/main/main.c


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <arch/asm.h>
#include <context.h>
#include <print.h>
#include <panic.h>
#include <config.h>
#include <time/clock.h>
#include <proc/scheduler.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <mm/vm.h>
#include <main/kinit.h>
#include <cpu.h>
#include <mm/heap.h>
 
#ifdef __SMP__
#include <arch/smp/apic.h>
#include <arch/smp/mps.h>
#endif /* __SMP__ */
 
#include <smp/smp.h>
 
#include <arch/mm/memory_init.h>
#include <mm/frame.h>
#include <mm/page.h>
#include <mm/tlb.h>
#include <synch/waitq.h>
 
#include <arch/arch.h>
#include <arch.h>
#include <arch/faddr.h>
 
#include <typedefs.h>
 
char *project = "SPARTAN kernel";
char *copyright = "Copyright (C) 2001-2005 Jakub Jermar\nCopyright (C) 2005 HelenOS project";
 
config_t config;
context_t ctx;
 
/*
 * These 'hardcoded' variables will be intialised by
 * the linker or the low level assembler code with
 * appropriate sizes and addresses.
 */
__address hardcoded_load_address = 0;
size_t hardcoded_ktext_size = 0;
size_t hardcoded_kdata_size = 0;
 
/*
 * Size of memory in bytes taken by kernel and heap.
 */
static size_t kernel_size;
 
/*
 * Extra space on heap to make the stack start on page boundary.
 */
static size_t heap_delta;
 
void main_bsp(void);
void main_ap(void);
 
/*
 * These two functions prevent stack from underflowing during the
 * kernel boot phase when SP is set to the very top of the reserved
 * space. The stack could get corrupted by a fooled compiler-generated
 * pop sequence otherwise.
 */
static void main_bsp_separated_stack(void);
static void main_ap_separated_stack(void);
 
/** Bootstrap CPU main kernel routine
 *
 * Initializes the kernel by bootstrap CPU.
 *
 * Assuming cpu_priority_high().
 *
 */
void main_bsp(void)
{
    config.cpu_count = 1;
    config.cpu_active = 1;
   
    kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE;    
    heap_delta = PAGE_SIZE - ((hardcoded_load_address + kernel_size) % PAGE_SIZE);
    heap_delta = (heap_delta == PAGE_SIZE) ? 0 : heap_delta;
    kernel_size += heap_delta;
   
    config.base = hardcoded_load_address;
    config.memory_size = get_memory_size();
    config.kernel_size = kernel_size + CONFIG_STACK_SIZE;
   
    context_save(&ctx);
    early_mapping(config.base + hardcoded_ktext_size + hardcoded_kdata_size + heap_delta, CONFIG_STACK_SIZE + CONFIG_HEAP_SIZE);
    context_set(&ctx, FADDR(main_bsp_separated_stack), config.base + kernel_size, CONFIG_STACK_SIZE);
 
    context_restore(&ctx);
    /* not reached */
}
 
 
/** Bootstrap CPU main kernel routine stack wrapper
 *
 * Second part of main_bsp().
 *
 */
void main_bsp_separated_stack(void)
{
    vm_t *m;
    task_t *k;
    thread_t *t;
   
    the_initialize(THE);
 
    arch_pre_mm_init();
    heap_init(config.base + hardcoded_ktext_size + hardcoded_kdata_size, CONFIG_HEAP_SIZE + heap_delta);
    frame_init();
    page_init();
    tlb_init();
 
    arch_post_mm_init();
 
    printf("%s\n%s\n", project, copyright);
    printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",
        config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);
 
    arch_late_init();
   
    smp_init();
    printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));
    printf("config.cpu_count=%d\n", config.cpu_count);
 
    cpu_init();
    calibrate_delay_loop();
   
    timeout_init();
    scheduler_init();
    task_init();
    thread_init();
 
    /*
     * Create kernel vm mapping.
     */
    m = vm_create(GET_PTL0_ADDRESS());
    if (!m)
        panic("can't create kernel vm address space\n");
 
    /*
     * Create kernel task.
     */
    k = task_create(m);
    if (!k)
        panic("can't create kernel task\n");
       
    /*
     * Create the first thread.
     */
    t = thread_create(kinit, NULL, k, 0);
    if (!t)
        panic("can't create kinit thread\n");
    thread_ready(t);
 
    /*
     * This call to scheduler() will return to kinit,
     * starting the thread of kernel threads.
     */
    scheduler();
    /* not reached */
}
 
 
#ifdef __SMP__
/** Application CPUs main kernel routine
 *
 * Executed by application processors, temporary stack
 * is at ctx.sp which was set during BP boot.
 *
 * Assuming  cpu_priority_high().
 *
 */
void main_ap(void)
{
    /*
     * Incrementing the active CPU counter will guarantee that the
     * pm_init() will not attempt to build GDT and IDT tables again.
     * Neither frame_init() will do the complete thing. Neither cpu_init()
     * will do.
     */
    config.cpu_active++;
 
    /*
     * The THE structure is well defined because ctx.sp is used as stack.
     */
    the_initialize(THE);
 
    arch_pre_mm_init();
    frame_init();
    page_init();
    arch_post_mm_init();
 
    cpu_init();
    calibrate_delay_loop();
 
    l_apic_init();
    l_apic_debug();
 
    the_copy(THE, (the_t *) CPU->stack);
 
    /*
     * If we woke kmp up before we left the kernel stack, we could
     * collide with another CPU coming up. To prevent this, we
     * switch to this cpu's private stack prior to waking kmp up.
     */
    context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);
    context_restore(&CPU->saved_context);
    /* not reached */
}
 
 
/** Application CPUs main kernel routine stack wrapper
 *
 * Second part of main_ap().
 *
 */
void main_ap_separated_stack(void)
{
    /*
     * Configure timeouts for this cpu.
     */
    timeout_init();
 
    waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);
    scheduler();
    /* not reached */
}
#endif /* __SMP__*/
 

Rev 207	Rev 210
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	#include <arch/asm.h>	29	#include <arch/asm.h>
30	#include <context.h>	30	#include <context.h>
31	#include <print.h>	31	#include <print.h>
32	#include <panic.h>	32	#include <panic.h>
33	#include <config.h>	33	#include <config.h>
34	#include <time/clock.h>	34	#include <time/clock.h>
35	#include <proc/scheduler.h>	35	#include <proc/scheduler.h>
36	#include <proc/thread.h>	36	#include <proc/thread.h>
37	#include <proc/task.h>	37	#include <proc/task.h>
38	#include <mm/vm.h>	38	#include <mm/vm.h>
39	#include <main/kinit.h>	39	#include <main/kinit.h>
40	#include <cpu.h>	40	#include <cpu.h>
41	#include <mm/heap.h>	41	#include <mm/heap.h>
42		42
43	#ifdef __SMP__	43	#ifdef __SMP__
44	#include <arch/smp/apic.h>	44	#include <arch/smp/apic.h>
45	#include <arch/smp/mps.h>	45	#include <arch/smp/mps.h>
46	#endif /* __SMP__ */	46	#endif /* __SMP__ */
47		47
48	#include <smp/smp.h>	48	#include <smp/smp.h>
49		49
50	#include <arch/mm/memory_init.h>	50	#include <arch/mm/memory_init.h>
51	#include <mm/frame.h>	51	#include <mm/frame.h>
52	#include <mm/page.h>	52	#include <mm/page.h>
53	#include <mm/tlb.h>	53	#include <mm/tlb.h>
54	#include <synch/waitq.h>	54	#include <synch/waitq.h>
55		55
-		56	#include <arch/arch.h>
56	#include <arch.h>	57	#include <arch.h>
57	#include <arch/faddr.h>	58	#include <arch/faddr.h>
58		59
59	#include <typedefs.h>	60	#include <typedefs.h>
60		61
61	char *project = "SPARTAN kernel";	62	char *project = "SPARTAN kernel";
62	char *copyright = "Copyright (C) 2001-2005 Jakub Jermar\nCopyright (C) 2005 HelenOS project";	63	char *copyright = "Copyright (C) 2001-2005 Jakub Jermar\nCopyright (C) 2005 HelenOS project";
63		64
64	config_t config;	65	config_t config;
65	context_t ctx;	66	context_t ctx;
66		67
67	/*	68	/*
68	* These 'hardcoded' variables will be intialised by	69	* These 'hardcoded' variables will be intialised by
69	* the linker or the low level assembler code with	70	* the linker or the low level assembler code with
70	* appropriate sizes and addresses.	71	* appropriate sizes and addresses.
71	*/	72	*/
72	__address hardcoded_load_address = 0;	73	__address hardcoded_load_address = 0;
73	size_t hardcoded_ktext_size = 0;	74	size_t hardcoded_ktext_size = 0;
74	size_t hardcoded_kdata_size = 0;	75	size_t hardcoded_kdata_size = 0;
75		76
76	/*	77	/*
77	* Size of memory in bytes taken by kernel and heap.	78	* Size of memory in bytes taken by kernel and heap.
78	*/	79	*/
79	static size_t kernel_size;	80	static size_t kernel_size;
80		81
81	/*	82	/*
82	* Extra space on heap to make the stack start on page boundary.	83	* Extra space on heap to make the stack start on page boundary.
83	*/	84	*/
84	static size_t heap_delta;	85	static size_t heap_delta;
85		86
86	void main_bsp(void);	87	void main_bsp(void);
87	void main_ap(void);	88	void main_ap(void);
88		89
89	/*	90	/*
90	* These two functions prevent stack from underflowing during the	91	* These two functions prevent stack from underflowing during the
91	* kernel boot phase when SP is set to the very top of the reserved	92	* kernel boot phase when SP is set to the very top of the reserved
92	* space. The stack could get corrupted by a fooled compiler-generated	93	* space. The stack could get corrupted by a fooled compiler-generated
93	* pop sequence otherwise.	94	* pop sequence otherwise.
94	*/	95	*/
95	static void main_bsp_separated_stack(void);	96	static void main_bsp_separated_stack(void);
96	static void main_ap_separated_stack(void);	97	static void main_ap_separated_stack(void);
97		98
98	/** Bootstrap CPU main kernel routine	99	/** Bootstrap CPU main kernel routine
99	*	100	*
100	* Initializes the kernel by bootstrap CPU.	101	* Initializes the kernel by bootstrap CPU.
101	*	102	*
102	* Assuming cpu_priority_high().	103	* Assuming cpu_priority_high().
103	*	104	*
104	*/	105	*/
105	void main_bsp(void)	106	void main_bsp(void)
106	{	107	{
107	config.cpu_count = 1;	108	config.cpu_count = 1;
108	config.cpu_active = 1;	109	config.cpu_active = 1;
109		110
110	kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE;	111	kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE;
111	heap_delta = PAGE_SIZE - ((hardcoded_load_address + kernel_size) % PAGE_SIZE);	112	heap_delta = PAGE_SIZE - ((hardcoded_load_address + kernel_size) % PAGE_SIZE);
112	heap_delta = (heap_delta == PAGE_SIZE) ? 0 : heap_delta;	113	heap_delta = (heap_delta == PAGE_SIZE) ? 0 : heap_delta;
113	kernel_size += heap_delta;	114	kernel_size += heap_delta;
114		115
115	config.base = hardcoded_load_address;	116	config.base = hardcoded_load_address;
116	config.memory_size = get_memory_size();	117	config.memory_size = get_memory_size();
117	config.kernel_size = kernel_size + CONFIG_STACK_SIZE;	118	config.kernel_size = kernel_size + CONFIG_STACK_SIZE;
118		119
119	context_save(&ctx);	120	context_save(&ctx);
-		121	early_mapping(config.base + hardcoded_ktext_size + hardcoded_kdata_size + heap_delta, CONFIG_STACK_SIZE + CONFIG_HEAP_SIZE);
120	context_set(&ctx, FADDR(main_bsp_separated_stack), config.base + kernel_size, CONFIG_STACK_SIZE);	122	context_set(&ctx, FADDR(main_bsp_separated_stack), config.base + kernel_size, CONFIG_STACK_SIZE);
121	context_map_stack(config.base + kernel_size, CONFIG_STACK_SIZE);	-
122	context_restore(&ctx);	123	context_restore(&ctx);
123	/* not reached */	124	/* not reached */
124	}	125	}
125		126
126		127
127	/** Bootstrap CPU main kernel routine stack wrapper	128	/** Bootstrap CPU main kernel routine stack wrapper
128	*	129	*
129	* Second part of main_bsp().	130	* Second part of main_bsp().
130	*	131	*
131	*/	132	*/
132	void main_bsp_separated_stack(void)	133	void main_bsp_separated_stack(void)
133	{	134	{
134	vm_t *m;	135	vm_t *m;
135	task_t *k;	136	task_t *k;
136	thread_t *t;	137	thread_t *t;
137		138
138	the_initialize(THE);	139	the_initialize(THE);
139		140
140	arch_pre_mm_init();	141	arch_pre_mm_init();
141	heap_init(config.base + hardcoded_ktext_size + hardcoded_kdata_size, CONFIG_HEAP_SIZE + heap_delta);	142	heap_init(config.base + hardcoded_ktext_size + hardcoded_kdata_size, CONFIG_HEAP_SIZE + heap_delta);
142	frame_init();	143	frame_init();
143	page_init();	144	page_init();
144	tlb_init();	145	tlb_init();
145		146
146	arch_post_mm_init();	147	arch_post_mm_init();
147		148
148	printf("%s\n%s\n", project, copyright);	149	printf("%s\n%s\n", project, copyright);
149	printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",	150	printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",
150	config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);	151	config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);
151		152
152	arch_late_init();	153	arch_late_init();
153		154
154	smp_init();	155	smp_init();
155	printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));	156	printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));
156	printf("config.cpu_count=%d\n", config.cpu_count);	157	printf("config.cpu_count=%d\n", config.cpu_count);
157		158
158	cpu_init();	159	cpu_init();
159	calibrate_delay_loop();	160	calibrate_delay_loop();
160		161
161	timeout_init();	162	timeout_init();
162	scheduler_init();	163	scheduler_init();
163	task_init();	164	task_init();
164	thread_init();	165	thread_init();
165		166
166	/*	167	/*
167	* Create kernel vm mapping.	168	* Create kernel vm mapping.
168	*/	169	*/
169	m = vm_create(GET_PTL0_ADDRESS());	170	m = vm_create(GET_PTL0_ADDRESS());
-		171	if (!m)
170	if (!m) panic("can't create kernel vm address space\n");	172	panic("can't create kernel vm address space\n");
171		173
172	/*	174	/*
173	* Create kernel task.	175	* Create kernel task.
174	*/	176	*/
175	k = task_create(m);	177	k = task_create(m);
-		178	if (!k)
176	if (!k) panic("can't create kernel task\n");	179	panic("can't create kernel task\n");
177		180
178	/*	181	/*
179	* Create the first thread.	182	* Create the first thread.
180	*/	183	*/
181	t = thread_create(kinit, NULL, k, 0);	184	t = thread_create(kinit, NULL, k, 0);
-		185	if (!t)
182	if (!t) panic("can't create kinit thread\n");	186	panic("can't create kinit thread\n");
183	thread_ready(t);	187	thread_ready(t);
184		188
185	/*	189	/*
186	* This call to scheduler() will return to kinit,	190	* This call to scheduler() will return to kinit,
187	* starting the thread of kernel threads.	191	* starting the thread of kernel threads.
188	*/	192	*/
189	scheduler();	193	scheduler();
190	/* not reached */	194	/* not reached */
191	}	195	}
192		196
193		197
194	#ifdef __SMP__	198	#ifdef __SMP__
195	/** Application CPUs main kernel routine	199	/** Application CPUs main kernel routine
196	*	200	*
197	* Executed by application processors, temporary stack	201	* Executed by application processors, temporary stack
198	* is at ctx.sp which was set during BP boot.	202	* is at ctx.sp which was set during BP boot.
199	*	203	*
200	* Assuming cpu_priority_high().	204	* Assuming cpu_priority_high().
201	*	205	*
202	*/	206	*/
203	void main_ap(void)	207	void main_ap(void)
204	{	208	{
205	/*	209	/*
206	* Incrementing the active CPU counter will guarantee that the	210	* Incrementing the active CPU counter will guarantee that the
207	* pm_init() will not attempt to build GDT and IDT tables again.	211	* pm_init() will not attempt to build GDT and IDT tables again.
208	* Neither frame_init() will do the complete thing. Neither cpu_init()	212	* Neither frame_init() will do the complete thing. Neither cpu_init()
209	* will do.	213	* will do.
210	*/	214	*/
211	config.cpu_active++;	215	config.cpu_active++;
212		216
213	/*	217	/*
214	* The THE structure is well defined because ctx.sp is used as stack.	218	* The THE structure is well defined because ctx.sp is used as stack.
215	*/	219	*/
216	the_initialize(THE);	220	the_initialize(THE);
217		221
218	arch_pre_mm_init();	222	arch_pre_mm_init();
219	frame_init();	223	frame_init();
220	page_init();	224	page_init();
221	arch_post_mm_init();	225	arch_post_mm_init();
222		226
223	cpu_init();	227	cpu_init();
224	calibrate_delay_loop();	228	calibrate_delay_loop();
225		229
226	l_apic_init();	230	l_apic_init();
227	l_apic_debug();	231	l_apic_debug();
228		232
229	the_copy(THE, (the_t *) CPU->stack);	233	the_copy(THE, (the_t *) CPU->stack);
230		234
231	/*	235	/*
232	* If we woke kmp up before we left the kernel stack, we could	236	* If we woke kmp up before we left the kernel stack, we could
233	* collide with another CPU coming up. To prevent this, we	237	* collide with another CPU coming up. To prevent this, we
234	* switch to this cpu's private stack prior to waking kmp up.	238	* switch to this cpu's private stack prior to waking kmp up.
235	*/	239	*/
236	context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);	240	context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);
237	context_restore(&CPU->saved_context);	241	context_restore(&CPU->saved_context);
238	/* not reached */	242	/* not reached */
239	}	243	}
240		244
241		245
242	/** Application CPUs main kernel routine stack wrapper	246	/** Application CPUs main kernel routine stack wrapper
243	*	247	*
244	* Second part of main_ap().	248	* Second part of main_ap().
245	*	249	*
246	*/	250	*/
247	void main_ap_separated_stack(void)	251	void main_ap_separated_stack(void)
248	{	252	{
249	/*	253	/*
250	* Configure timeouts for this cpu.	254	* Configure timeouts for this cpu.
251	*/	255	*/
252	timeout_init();	256	timeout_init();
253		257
254	waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);	258	waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);
255	scheduler();	259	scheduler();
256	/* not reached */	260	/* not reached */
257	}	261	}
258	#endif /* __SMP__*/	262	#endif /* __SMP__*/
259		263

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/main/main.c @ 1780 – Rev 207 → 210