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 242	Rev 298
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/arch.h>
57	#include <arch.h>	57	#include <arch.h>
58	#include <arch/faddr.h>	58	#include <arch/faddr.h>
59		59
60	#include <typedefs.h>	60	#include <typedefs.h>
61		61
62	char *project = "SPARTAN kernel";	62	char *project = "SPARTAN kernel";
63	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";
64		64
65	config_t config;	65	config_t config;
66	context_t ctx;	66	context_t ctx;
67		67
68	/*	68	/*
69	* These 'hardcoded' variables will be intialised by	69	* These 'hardcoded' variables will be intialised by
70	* the linker or the low level assembler code with	70	* the linker or the low level assembler code with
71	* appropriate sizes and addresses.	71	* appropriate sizes and addresses.
72	*/	72	*/
73	__address hardcoded_load_address = 0;	73	__address hardcoded_load_address = 0;
74	size_t hardcoded_ktext_size = 0;	74	size_t hardcoded_ktext_size = 0;
75	size_t hardcoded_kdata_size = 0;	75	size_t hardcoded_kdata_size = 0;
76		76
77	/*	77	/*
78	* Size of memory in bytes taken by kernel and heap.	78	* Size of memory in bytes taken by kernel and heap.
79	*/	79	*/
80	static size_t kernel_size;	80	static size_t kernel_size;
81		81
82	/*	82	/*
83	* 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.
84	*/	84	*/
85	static size_t heap_delta;	85	static size_t heap_delta;
86		86
87	void main_bsp(void);	87	void main_bsp(void);
88	void main_ap(void);	88	void main_ap(void);
89		89
90	/*	90	/*
91	* These two functions prevent stack from underflowing during the	91	* These two functions prevent stack from underflowing during the
92	* 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
93	* space. The stack could get corrupted by a fooled compiler-generated	93	* space. The stack could get corrupted by a fooled compiler-generated
94	* pop sequence otherwise.	94	* pop sequence otherwise.
95	*/	95	*/
96	static void main_bsp_separated_stack(void);	96	static void main_bsp_separated_stack(void);
97	static void main_ap_separated_stack(void);	97	static void main_ap_separated_stack(void);
98		98
99	/** Bootstrap CPU main kernel routine	99	/** Bootstrap CPU main kernel routine
100	*	100	*
101	* Initializes the kernel by bootstrap CPU.	101	* Initializes the kernel by bootstrap CPU.
102	*	102	*
103	* Assuming cpu_priority_high().	103	* Assuming cpu_priority_high().
104	*	104	*
105	*/	105	*/
106	void main_bsp(void)	106	void main_bsp(void)
107	{	107	{
108	config.cpu_count = 1;	108	config.cpu_count = 1;
109	config.cpu_active = 1;	109	config.cpu_active = 1;
110		110
111	kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE;	111	kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE;
112	heap_delta = PAGE_SIZE - ((hardcoded_load_address + kernel_size) % PAGE_SIZE);	112	heap_delta = PAGE_SIZE - ((hardcoded_load_address + kernel_size) % PAGE_SIZE);
113	heap_delta = (heap_delta == PAGE_SIZE) ? 0 : heap_delta;	113	heap_delta = (heap_delta == PAGE_SIZE) ? 0 : heap_delta;
114	kernel_size += heap_delta;	114	kernel_size += heap_delta;
115		115
116	config.base = hardcoded_load_address;	116	config.base = hardcoded_load_address;
117	config.memory_size = get_memory_size();	117	config.memory_size = get_memory_size();
118	config.kernel_size = kernel_size + CONFIG_STACK_SIZE;	118	config.kernel_size = kernel_size + CONFIG_STACK_SIZE;
119		119
120	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);	121	early_mapping(config.base + hardcoded_ktext_size + hardcoded_kdata_size + heap_delta, CONFIG_STACK_SIZE + CONFIG_HEAP_SIZE);
122	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);
123	context_restore(&ctx);	123	context_restore(&ctx);
124	/* not reached */	124	/* not reached */
125	}	125	}
126		126
127		127
128	/** Bootstrap CPU main kernel routine stack wrapper	128	/** Bootstrap CPU main kernel routine stack wrapper
129	*	129	*
130	* Second part of main_bsp().	130	* Second part of main_bsp().
131	*	131	*
132	*/	132	*/
133	void main_bsp_separated_stack(void)	133	void main_bsp_separated_stack(void)
134	{	134	{
135	vm_t *m;	135	vm_t *m;
136	task_t *k;	136	task_t *k;
137	thread_t *t;	137	thread_t *t;
138		138
139	the_initialize(THE);	139	the_initialize(THE);
140		140
141	arch_pre_mm_init();	141	arch_pre_mm_init();
142	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);
143	frame_init();	143	frame_init();
144	page_init();	144	page_init();
145	tlb_init();	145	tlb_init();
146		146
147	arch_post_mm_init();	147	arch_post_mm_init();
148		148
149	printf("%s\n%s\n", project, copyright);	149	printf("%s\n%s\n", project, copyright);
150	printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",	150	printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",
151	config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);	151	config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);
152		152
153	arch_late_init();	153	arch_late_init();
154		154
155	smp_init();	155	smp_init();
156	printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));	156	printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));
157	printf("config.cpu_count=%d\n", config.cpu_count);	157	printf("config.cpu_count=%d\n", config.cpu_count);
158		158
159	cpu_init();	159	cpu_init();
160		160
161	calibrate_delay_loop();	161	calibrate_delay_loop();
162		162
163	timeout_init();	163	timeout_init();
164	scheduler_init();	164	scheduler_init();
165	task_init();	165	task_init();
166	thread_init();	166	thread_init();
167		167
168	/*	168	/*
169	* Create kernel vm mapping.	169	* Create kernel vm mapping.
170	*/	170	*/
171	m = vm_create(GET_PTL0_ADDRESS());	171	m = vm_create(GET_PTL0_ADDRESS());
172	if (!m)	172	if (!m)
173	panic("can't create kernel vm address space\n");	173	panic("can't create kernel vm address space\n");
174		174
175	/*	175	/*
176	* Create kernel task.	176	* Create kernel task.
177	*/	177	*/
178	k = task_create(m);	178	k = task_create(m);
179	if (!k)	179	if (!k)
180	panic("can't create kernel task\n");	180	panic("can't create kernel task\n");
181		181
182	/*	182	/*
183	* Create the first thread.	183	* Create the first thread.
184	*/	184	*/
185	t = thread_create(kinit, NULL, k, 0);	185	t = thread_create(kinit, NULL, k, 0);
186	if (!t)	186	if (!t)
187	panic("can't create kinit thread\n");	187	panic("can't create kinit thread\n");
188	thread_ready(t);	188	thread_ready(t);
189	/*	189	/*
190	* This call to scheduler() will return to kinit,	190	* This call to scheduler() will return to kinit,
191	* starting the thread of kernel threads.	191	* starting the thread of kernel threads.
192	*/	192	*/
193	scheduler();	193	scheduler();
194	/* not reached */	194	/* not reached */
195	}	195	}
196		196
197		197
198	#ifdef __SMP__	198	#ifdef __SMP__
199	/** Application CPUs main kernel routine	199	/** Application CPUs main kernel routine
200	*	200	*
201	* Executed by application processors, temporary stack	201	* Executed by application processors, temporary stack
202	* is at ctx.sp which was set during BP boot.	202	* is at ctx.sp which was set during BP boot.
203	*	203	*
204	* Assuming cpu_priority_high().	204	* Assuming cpu_priority_high().
205	*	205	*
206	*/	206	*/
207	void main_ap(void)	207	void main_ap(void)
208	{	208	{
209	/*	209	/*
210	* Incrementing the active CPU counter will guarantee that the	210	* Incrementing the active CPU counter will guarantee that the
211	* 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.
212	* Neither frame_init() will do the complete thing. Neither cpu_init()	212	* Neither frame_init() will do the complete thing. Neither cpu_init()
213	* will do.	213	* will do.
214	*/	214	*/
215	config.cpu_active++;	215	config.cpu_active++;
216		216
217	/*	217	/*
218	* 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.
219	*/	219	*/
220	the_initialize(THE);	220	the_initialize(THE);
221		221
222	arch_pre_mm_init();	222	arch_pre_mm_init();
223	frame_init();	223	frame_init();
224	page_init();	224	page_init();
225	arch_post_mm_init();	225	arch_post_mm_init();
226		226
227	cpu_init();	227	cpu_init();
-		228
228	calibrate_delay_loop();	229	calibrate_delay_loop();
229		230
230	l_apic_init();	231	l_apic_init();
231	l_apic_debug();	232	l_apic_debug();
232		233
233	the_copy(THE, (the_t *) CPU->stack);	234	the_copy(THE, (the_t *) CPU->stack);
234		235
235	/*	236	/*
236	* If we woke kmp up before we left the kernel stack, we could	237	* If we woke kmp up before we left the kernel stack, we could
237	* collide with another CPU coming up. To prevent this, we	238	* collide with another CPU coming up. To prevent this, we
238	* switch to this cpu's private stack prior to waking kmp up.	239	* switch to this cpu's private stack prior to waking kmp up.
239	*/	240	*/
240	context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);	241	context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);
241	context_restore(&CPU->saved_context);	242	context_restore(&CPU->saved_context);
242	/* not reached */	243	/* not reached */
243	}	244	}
244		245
245		246
246	/** Application CPUs main kernel routine stack wrapper	247	/** Application CPUs main kernel routine stack wrapper
247	*	248	*
248	* Second part of main_ap().	249	* Second part of main_ap().
249	*	250	*
250	*/	251	*/
251	void main_ap_separated_stack(void)	252	void main_ap_separated_stack(void)
252	{	253	{
253	/*	254	/*
254	* Configure timeouts for this cpu.	255	* Configure timeouts for this cpu.
255	*/	256	*/
256	timeout_init();	257	timeout_init();
257		258
258	waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);	259	waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);
259	scheduler();	260	scheduler();
260	/* not reached */	261	/* not reached */
261	}	262	}
262	#endif /* __SMP__*/	263	#endif /* __SMP__*/
263		264

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/main/main.c @ 1780 – Rev 242 → 298