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)
{
 
    int a;
    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 220	Rev 235
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		135
136	int a;	136	int a;
137	vm_t *m;	137	vm_t *m;
138	task_t *k;	138	task_t *k;
139	thread_t *t;	139	thread_t *t;
140		140
141	the_initialize(THE);	141	the_initialize(THE);
142		142
143	arch_pre_mm_init();	143	arch_pre_mm_init();
144	heap_init(config.base + hardcoded_ktext_size + hardcoded_kdata_size, CONFIG_HEAP_SIZE + heap_delta);	144	heap_init(config.base + hardcoded_ktext_size + hardcoded_kdata_size, CONFIG_HEAP_SIZE + heap_delta);
145	frame_init();	145	frame_init();
146	page_init();	146	page_init();
147	tlb_init();	147	tlb_init();
148		148
149	arch_post_mm_init();	149	arch_post_mm_init();
150		150
151	printf("%s\n%s\n", project, copyright);	151	printf("%s\n%s\n", project, copyright);
152	printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",	152	printf("%P: hardcoded_ktext_size=%dK, hardcoded_kdata_size=%dK\n",
153	config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);	153	config.base, hardcoded_ktext_size/1024, hardcoded_kdata_size/1024);
154		154
155	arch_late_init();	155	arch_late_init();
156		156
157	smp_init();	157	smp_init();
158	printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));	158	printf("config.memory_size=%dM\n", config.memory_size/(1024*1024));
159	printf("config.cpu_count=%d\n", config.cpu_count);	159	printf("config.cpu_count=%d\n", config.cpu_count);
160		160
161	cpu_init();	161	cpu_init();
162		162
163	calibrate_delay_loop();	163	calibrate_delay_loop();
164		164
165	timeout_init();	165	timeout_init();
166	scheduler_init();	166	scheduler_init();
167	task_init();	167	task_init();
168	thread_init();	168	thread_init();
169		169
170	/*	170	/*
171	* Create kernel vm mapping.	171	* Create kernel vm mapping.
172	*/	172	*/
173	m = vm_create(GET_PTL0_ADDRESS());	173	m = vm_create(GET_PTL0_ADDRESS());
174	if (!m)	174	if (!m)
175	panic("can't create kernel vm address space\n");	175	panic("can't create kernel vm address space\n");
176		176
177	/*	177	/*
178	* Create kernel task.	178	* Create kernel task.
179	*/	179	*/
180	k = task_create(m);	180	k = task_create(m);
181	if (!k)	181	if (!k)
182	panic("can't create kernel task\n");	182	panic("can't create kernel task\n");
183		183
184	/*	184	/*
185	* Create the first thread.	185	* Create the first thread.
186	*/	186	*/
187	t = thread_create(kinit, NULL, k, 0);	187	t = thread_create(kinit, NULL, k, 0);
188	if (!t)	188	if (!t)
189	panic("can't create kinit thread\n");	189	panic("can't create kinit thread\n");
190	thread_ready(t);	190	thread_ready(t);
191		191
192	/*	192	/*
193	* This call to scheduler() will return to kinit,	193	* This call to scheduler() will return to kinit,
194	* starting the thread of kernel threads.	194	* starting the thread of kernel threads.
195	*/	195	*/
196	scheduler();	196	scheduler();
197	/* not reached */	197	/* not reached */
198	}	198	}
199		199
200		200
201	#ifdef __SMP__	201	#ifdef __SMP__
202	/** Application CPUs main kernel routine	202	/** Application CPUs main kernel routine
203	*	203	*
204	* Executed by application processors, temporary stack	204	* Executed by application processors, temporary stack
205	* is at ctx.sp which was set during BP boot.	205	* is at ctx.sp which was set during BP boot.
206	*	206	*
207	* Assuming cpu_priority_high().	207	* Assuming cpu_priority_high().
208	*	208	*
209	*/	209	*/
210	void main_ap(void)	210	void main_ap(void)
211	{	211	{
212	/*	212	/*
213	* Incrementing the active CPU counter will guarantee that the	213	* Incrementing the active CPU counter will guarantee that the
214	* pm_init() will not attempt to build GDT and IDT tables again.	214	* pm_init() will not attempt to build GDT and IDT tables again.
215	* Neither frame_init() will do the complete thing. Neither cpu_init()	215	* Neither frame_init() will do the complete thing. Neither cpu_init()
216	* will do.	216	* will do.
217	*/	217	*/
218	config.cpu_active++;	218	config.cpu_active++;
219		219
220	/*	220	/*
221	* The THE structure is well defined because ctx.sp is used as stack.	221	* The THE structure is well defined because ctx.sp is used as stack.
222	*/	222	*/
223	the_initialize(THE);	223	the_initialize(THE);
224		224
225	arch_pre_mm_init();	225	arch_pre_mm_init();
226	frame_init();	226	frame_init();
227	page_init();	227	page_init();
228	arch_post_mm_init();	228	arch_post_mm_init();
229		229
230	cpu_init();	230	cpu_init();
231	calibrate_delay_loop();	231	calibrate_delay_loop();
232		232
233	l_apic_init();	233	l_apic_init();
234	l_apic_debug();	234	l_apic_debug();
235		235
236	the_copy(THE, (the_t *) CPU->stack);	236	the_copy(THE, (the_t *) CPU->stack);
237		237
238	/*	238	/*
239	* If we woke kmp up before we left the kernel stack, we could	239	* If we woke kmp up before we left the kernel stack, we could
240	* collide with another CPU coming up. To prevent this, we	240	* collide with another CPU coming up. To prevent this, we
241	* switch to this cpu's private stack prior to waking kmp up.	241	* switch to this cpu's private stack prior to waking kmp up.
242	*/	242	*/
243	context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);	243	context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), CPU->stack, CPU_STACK_SIZE);
244	context_restore(&CPU->saved_context);	244	context_restore(&CPU->saved_context);
245	/* not reached */	245	/* not reached */
246	}	246	}
247		247
248		248
249	/** Application CPUs main kernel routine stack wrapper	249	/** Application CPUs main kernel routine stack wrapper
250	*	250	*
251	* Second part of main_ap().	251	* Second part of main_ap().
252	*	252	*
253	*/	253	*/
254	void main_ap_separated_stack(void)	254	void main_ap_separated_stack(void)
255	{	255	{
256	/*	256	/*
257	* Configure timeouts for this cpu.	257	* Configure timeouts for this cpu.
258	*/	258	*/
259	timeout_init();	259	timeout_init();
260		260
261	waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);	261	waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST);
262	scheduler();	262	scheduler();
263	/* not reached */	263	/* not reached */
264	}	264	}
265	#endif /* __SMP__*/	265	#endif /* __SMP__*/
266		266

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/main/main.c @ 1780 – Rev 220 → 235