WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/src/main/kinit.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 <main/kinit.h>
#include <main/kconsole.h>
#include <main/uinit.h>
#include <config.h>
#include <arch.h>
#include <proc/scheduler.h>
#include <proc/task.h>
#include <proc/thread.h>
#include <panic.h>
#include <func.h>
#include <cpu.h>
#include <arch/asm.h>
#include <mm/page.h>
#include <arch/mm/page.h>
#include <mm/vm.h>
#include <print.h>
#include <memstr.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/mps.h>
#endif /* CONFIG_SMP */
 
#include <synch/waitq.h>
#include <synch/spinlock.h>
 
#ifdef CONFIG_TEST
#include <test.h>
#endif /* CONFIG_TEST */
 
#include <mm/frame.h>
 
void kinit(void *arg)
{
    vm_t *m;
    vm_area_t *a;
    task_t *u;
    thread_t *t;
    int i;
 
    interrupts_disable();
 
#ifdef CONFIG_SMP           
    if (config.cpu_count > 1) {
        /*
         * Create the kmp thread and wait for its completion.
         * cpu1 through cpuN-1 will come up consecutively and
         * not mess together with kcpulb threads.
         * Just a beautification.
         */
        if (t = thread_create(kmp, NULL, TASK, 0)) {
            spinlock_lock(&t->lock);
            t->flags |= X_WIRED;
            t->cpu = &cpus[0];
            spinlock_unlock(&t->lock);
            thread_ready(t);
            waitq_sleep(&kmp_completion_wq);
        }
        else panic("thread_create/kmp\n");
    }
#endif /* CONFIG_SMP */
    /*
     * Now that all CPUs are up, we can report what we've found.
     */
    for (i = 0; i < config.cpu_count; i++) {
        if (cpus[i].active)
            cpu_print_report(&cpus[i]);
        else
            printf("cpu%d: not active\n", i);
    }
 
#ifdef CONFIG_SMP
    if (config.cpu_count > 1) {
        /*
         * For each CPU, create its load balancing thread.
         */
        for (i = 0; i < config.cpu_count; i++) {
 
            if (t = thread_create(kcpulb, NULL, TASK, 0)) {
                spinlock_lock(&t->lock);           
                t->flags |= X_WIRED;
                t->cpu = &cpus[i];
                spinlock_unlock(&t->lock);
                thread_ready(t);
            }
            else panic("thread_create/kcpulb\n");
 
        }
    }
#endif /* CONFIG_SMP */
 
    /*
     * Create kernel console.
     */
    if (t = thread_create(kconsole, NULL, TASK, 0))
        thread_ready(t);
    else panic("thread_create/kconsole\n");
 
    interrupts_enable();
 
#ifdef CONFIG_USERSPACE
    /*
     * Create the first user task.
     */
    m = vm_create(NULL);
    if (!m)
        panic("vm_create\n");
    u = task_create(m);
    if (!u)
        panic("task_create\n");
    t = thread_create(uinit, NULL, u, THREAD_USER_STACK);
    if (!t)
        panic("thread_create\n");
 
    /*
     * Create the text vm_area and copy the userspace code there.
     */
    a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);
    if (!a)
        panic("vm_area_create: vm_text\n");
    vm_area_map(a, m);
    memcpy((void *) PA2KA(a->mapping[0]), (void *) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);
 
    /*
     * Create the data vm_area.
     */
    a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);
    if (!a)
        panic("vm_area_create: vm_stack\n");
    vm_area_map(a, m); 
   
    thread_ready(t);
#endif /* CONFIG_USERSPACE */
 
#ifdef CONFIG_TEST
    test();
#endif /* CONFIG_TEST */
 
 
    while (1) {
        thread_sleep(60);
        printf("kinit... ");
    }
 
}
 

Rev 508	Rev 510
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 <config.h>	-
30	#include <arch.h>	-
31	#include <main/kinit.h>	29	#include <main/kinit.h>
-		30	#include <main/kconsole.h>
32	#include <main/uinit.h>	31	#include <main/uinit.h>
-		32	#include <config.h>
-		33	#include <arch.h>
33	#include <proc/scheduler.h>	34	#include <proc/scheduler.h>
34	#include <proc/task.h>	35	#include <proc/task.h>
35	#include <proc/thread.h>	36	#include <proc/thread.h>
36	#include <panic.h>	37	#include <panic.h>
37	#include <func.h>	38	#include <func.h>
38	#include <cpu.h>	39	#include <cpu.h>
39	#include <arch/asm.h>	40	#include <arch/asm.h>
40	#include <mm/page.h>	41	#include <mm/page.h>
41	#include <arch/mm/page.h>	42	#include <arch/mm/page.h>
42	#include <mm/vm.h>	43	#include <mm/vm.h>
43	#include <print.h>	44	#include <print.h>
44	#include <memstr.h>	45	#include <memstr.h>
45		46
46	#ifdef CONFIG_SMP	47	#ifdef CONFIG_SMP
47	#include <arch/smp/mps.h>	48	#include <arch/smp/mps.h>
48	#endif /* CONFIG_SMP */	49	#endif /* CONFIG_SMP */
49		50
50	#include <synch/waitq.h>	51	#include <synch/waitq.h>
51	#include <synch/spinlock.h>	52	#include <synch/spinlock.h>
52		53
53	#ifdef CONFIG_TEST	54	#ifdef CONFIG_TEST
54	#include <test.h>	55	#include <test.h>
55	#endif /* CONFIG_TEST */	56	#endif /* CONFIG_TEST */
56		57
57	#include <mm/frame.h>	58	#include <mm/frame.h>
58		59
59	void kinit(void *arg)	60	void kinit(void *arg)
60	{	61	{
61	vm_t *m;	62	vm_t *m;
62	vm_area_t *a;	63	vm_area_t *a;
63	task_t *u;	64	task_t *u;
64	thread_t *t;	65	thread_t *t;
65	int i;	66	int i;
66		67
67	interrupts_disable();	68	interrupts_disable();
68		69
69	#ifdef CONFIG_SMP	70	#ifdef CONFIG_SMP
70	if (config.cpu_count > 1) {	71	if (config.cpu_count > 1) {
71	/*	72	/*
72	* Create the kmp thread and wait for its completion.	73	* Create the kmp thread and wait for its completion.
73	* cpu1 through cpuN-1 will come up consecutively and	74	* cpu1 through cpuN-1 will come up consecutively and
74	* not mess together with kcpulb threads.	75	* not mess together with kcpulb threads.
75	* Just a beautification.	76	* Just a beautification.
76	*/	77	*/
77	if (t = thread_create(kmp, NULL, TASK, 0)) {	78	if (t = thread_create(kmp, NULL, TASK, 0)) {
78	spinlock_lock(&t->lock);	79	spinlock_lock(&t->lock);
79	t->flags \|= X_WIRED;	80	t->flags \|= X_WIRED;
80	t->cpu = &cpus[0];	81	t->cpu = &cpus[0];
81	spinlock_unlock(&t->lock);	82	spinlock_unlock(&t->lock);
82	thread_ready(t);	83	thread_ready(t);
83	waitq_sleep(&kmp_completion_wq);	84	waitq_sleep(&kmp_completion_wq);
84	}	85	}
85	else panic("thread_create/kmp");	86	else panic("thread_create/kmp\n");
86	}	87	}
87	#endif /* CONFIG_SMP */	88	#endif /* CONFIG_SMP */
88	/*	89	/*
89	* Now that all CPUs are up, we can report what we've found.	90	* Now that all CPUs are up, we can report what we've found.
90	*/	91	*/
91	for (i = 0; i < config.cpu_count; i++) {	92	for (i = 0; i < config.cpu_count; i++) {
92	if (cpus[i].active)	93	if (cpus[i].active)
93	cpu_print_report(&cpus[i]);	94	cpu_print_report(&cpus[i]);
94	else	95	else
95	printf("cpu%d: not active\n", i);	96	printf("cpu%d: not active\n", i);
96	}	97	}
97		98
98	#ifdef CONFIG_SMP	99	#ifdef CONFIG_SMP
99	if (config.cpu_count > 1) {	100	if (config.cpu_count > 1) {
100	/*	101	/*
101	* For each CPU, create its load balancing thread.	102	* For each CPU, create its load balancing thread.
102	*/	103	*/
103	for (i = 0; i < config.cpu_count; i++) {	104	for (i = 0; i < config.cpu_count; i++) {
104		105
105	if (t = thread_create(kcpulb, NULL, TASK, 0)) {	106	if (t = thread_create(kcpulb, NULL, TASK, 0)) {
106	spinlock_lock(&t->lock);	107	spinlock_lock(&t->lock);
107	t->flags \|= X_WIRED;	108	t->flags \|= X_WIRED;
108	t->cpu = &cpus[i];	109	t->cpu = &cpus[i];
109	spinlock_unlock(&t->lock);	110	spinlock_unlock(&t->lock);
110	thread_ready(t);	111	thread_ready(t);
111	}	112	}
112	else panic("thread_create/kcpulb");	113	else panic("thread_create/kcpulb\n");
113		114
114	}	115	}
115	}	116	}
116	#endif /* CONFIG_SMP */	117	#endif /* CONFIG_SMP */
117		118
-		119	/*
-		120	* Create kernel console.
-		121	*/
-		122	if (t = thread_create(kconsole, NULL, TASK, 0))
-		123	thread_ready(t);
-		124	else panic("thread_create/kconsole\n");
-		125
118	interrupts_enable();	126	interrupts_enable();
119		127
120	#ifdef CONFIG_USERSPACE	128	#ifdef CONFIG_USERSPACE
121	/*	129	/*
122	* Create the first user task.	130	* Create the first user task.
123	*/	131	*/
124	m = vm_create(NULL);	132	m = vm_create(NULL);
125	if (!m)	133	if (!m)
126	panic("vm_create");	134	panic("vm_create\n");
127	u = task_create(m);	135	u = task_create(m);
128	if (!u)	136	if (!u)
129	panic("task_create");	137	panic("task_create\n");
130	t = thread_create(uinit, NULL, u, THREAD_USER_STACK);	138	t = thread_create(uinit, NULL, u, THREAD_USER_STACK);
131	if (!t)	139	if (!t)
132	panic("thread_create");	140	panic("thread_create\n");
133		141
134	/*	142	/*
135	* Create the text vm_area and copy the userspace code there.	143	* Create the text vm_area and copy the userspace code there.
136	*/	144	*/
137	a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);	145	a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);
138	if (!a)	146	if (!a)
139	panic("vm_area_create: vm_text");	147	panic("vm_area_create: vm_text\n");
140	vm_area_map(a, m);	148	vm_area_map(a, m);
141	memcpy((void ) PA2KA(a->mapping[0]), (void ) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);	149	memcpy((void ) PA2KA(a->mapping[0]), (void ) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);
142		150
143	/*	151	/*
144	* Create the data vm_area.	152	* Create the data vm_area.
145	*/	153	*/
146	a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);	154	a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);
147	if (!a)	155	if (!a)
148	panic("vm_area_create: vm_stack");	156	panic("vm_area_create: vm_stack\n");
149	vm_area_map(a, m);	157	vm_area_map(a, m);
150		158
151	thread_ready(t);	159	thread_ready(t);
152	#endif /* CONFIG_USERSPACE */	160	#endif /* CONFIG_USERSPACE */
153		161
154	#ifdef CONFIG_TEST	162	#ifdef CONFIG_TEST
155	test();	163	test();
156	#endif /* CONFIG_TEST */	164	#endif /* CONFIG_TEST */
157		165
158		-
159	while (1) {	166	while (1) {
160	thread_sleep(60);	167	thread_sleep(60);
161	printf("kinit... ");	168	printf("kinit... ");
162	}	169	}
163		170
164	}	171	}
165		172

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/main/kinit.c @ 1729 – Rev 508 → 510