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/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/as.h>
#include <mm/frame.h>
#include <print.h>
#include <memstr.h>
#include <console/console.h>
#include <interrupt.h>
#include <console/kconsole.h>
#include <elf.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 */
 
/** Kernel initialization thread.
 *
 * kinit takes care of higher level kernel
 * initialization (i.e. thread creation,
 * userspace initialization etc.).
 *
 * @param arg Not used.
 */
void kinit(void *arg)
{
    thread_t *t;
    as_t *as;
    as_area_t *a;
    int rc;
    task_t *u;
 
    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.
     */
    cpu_list();
 
#ifdef CONFIG_SMP
    if (config.cpu_count > 1) {
        int i;
       
        /*
         * 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 */
 
    /*
     * At this point SMP, if present, is configured.
     */
    arch_post_smp_init();
 
    /*
     * Create kernel console.
     */
    if ((t = thread_create(kconsole, "kconsole", TASK, 0)))
        thread_ready(t);
    else
        panic("thread_create/kconsole\n");
 
    interrupts_enable();
 
    ipc_create_phonecompany();
 
    if (config.init_size > 0) {
        /*
         * Create the first user task.
         */
       
        if (config.init_addr % FRAME_SIZE)
            panic("config.init_addr is not frame aligned");
       
        as = as_create(0);
        if (!as)
            panic("as_create\n");
 
        rc = elf_load((elf_header_t *) config.init_addr, as);
        if (rc != EE_OK) {
            printf("elf_load failed: %s\n", elf_error(rc));
        } else {
            u = task_create(as);
            if (!u)
                panic("task_create\n");
            t = thread_create(uinit, (void *)((elf_header_t *) config.init_addr)->e_entry, u, THREAD_USER_STACK);
            if (!t)
                panic("thread_create\n");
       
            /*
             * Create the data as_area.
             */
            a = as_area_create(as, AS_AREA_STACK, 1, USTACK_ADDRESS);
            if (!a)
                panic("as_area_create: stack\n");
 
            thread_ready(t);
        }
    }
 
#ifdef CONFIG_TEST
    test();
#endif /* CONFIG_TEST */
 
    if (!stdin) {
        while (1) {
            thread_sleep(1);
            printf("kinit... ");
        }
    }
 
}
 

Rev 938	Rev 955
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 <main/kinit.h>	29	#include <main/kinit.h>
30	#include <main/uinit.h>	30	#include <main/uinit.h>
31	#include <config.h>	31	#include <config.h>
32	#include <arch.h>	32	#include <arch.h>
33	#include <proc/scheduler.h>	33	#include <proc/scheduler.h>
34	#include <proc/task.h>	34	#include <proc/task.h>
35	#include <proc/thread.h>	35	#include <proc/thread.h>
36	#include <panic.h>	36	#include <panic.h>
37	#include <func.h>	37	#include <func.h>
38	#include <cpu.h>	38	#include <cpu.h>
39	#include <arch/asm.h>	39	#include <arch/asm.h>
40	#include <mm/page.h>	40	#include <mm/page.h>
41	#include <arch/mm/page.h>	41	#include <arch/mm/page.h>
42	#include <mm/as.h>	42	#include <mm/as.h>
43	#include <mm/frame.h>	43	#include <mm/frame.h>
44	#include <print.h>	44	#include <print.h>
45	#include <memstr.h>	45	#include <memstr.h>
46	#include <console/console.h>	46	#include <console/console.h>
47	#include <interrupt.h>	47	#include <interrupt.h>
48	#include <console/kconsole.h>	48	#include <console/kconsole.h>
49	#include <elf.h>	49	#include <elf.h>
50		50
51	#ifdef CONFIG_SMP	51	#ifdef CONFIG_SMP
52	#include <arch/smp/mps.h>	52	#include <arch/smp/mps.h>
53	#endif /* CONFIG_SMP */	53	#endif /* CONFIG_SMP */
54		54
55	#include <synch/waitq.h>	55	#include <synch/waitq.h>
56	#include <synch/spinlock.h>	56	#include <synch/spinlock.h>
57		57
58	#ifdef CONFIG_TEST	58	#ifdef CONFIG_TEST
59	#include <test.h>	59	#include <test.h>
60	#endif /* CONFIG_TEST */	60	#endif /* CONFIG_TEST */
61		61
62	/** Kernel initialization thread.	62	/** Kernel initialization thread.
63	*	63	*
64	* kinit takes care of higher level kernel	64	* kinit takes care of higher level kernel
65	* initialization (i.e. thread creation,	65	* initialization (i.e. thread creation,
66	* userspace initialization etc.).	66	* userspace initialization etc.).
67	*	67	*
68	* @param arg Not used.	68	* @param arg Not used.
69	*/	69	*/
70	void kinit(void *arg)	70	void kinit(void *arg)
71	{	71	{
72	thread_t *t;	72	thread_t *t;
73	as_t *as;	73	as_t *as;
74	as_area_t *a;	74	as_area_t *a;
75	int rc;	75	int rc;
76	task_t *u;	76	task_t *u;
77		77
78	interrupts_disable();	78	interrupts_disable();
79		79
80	#ifdef CONFIG_SMP	80	#ifdef CONFIG_SMP
81	if (config.cpu_count > 1) {	81	if (config.cpu_count > 1) {
82	/*	82	/*
83	* Create the kmp thread and wait for its completion.	83	* Create the kmp thread and wait for its completion.
84	* cpu1 through cpuN-1 will come up consecutively and	84	* cpu1 through cpuN-1 will come up consecutively and
85	* not mess together with kcpulb threads.	85	* not mess together with kcpulb threads.
86	* Just a beautification.	86	* Just a beautification.
87	*/	87	*/
88	if ((t = thread_create(kmp, NULL, TASK, 0))) {	88	if ((t = thread_create(kmp, NULL, TASK, 0))) {
89	spinlock_lock(&t->lock);	89	spinlock_lock(&t->lock);
90	t->flags \|= X_WIRED;	90	t->flags \|= X_WIRED;
91	t->cpu = &cpus[0];	91	t->cpu = &cpus[0];
92	spinlock_unlock(&t->lock);	92	spinlock_unlock(&t->lock);
93	thread_ready(t);	93	thread_ready(t);
94	waitq_sleep(&kmp_completion_wq);	94	waitq_sleep(&kmp_completion_wq);
95	}	95	}
96	else panic("thread_create/kmp\n");	96	else panic("thread_create/kmp\n");
97	}	97	}
98	#endif /* CONFIG_SMP */	98	#endif /* CONFIG_SMP */
99	/*	99	/*
100	* Now that all CPUs are up, we can report what we've found.	100	* Now that all CPUs are up, we can report what we've found.
101	*/	101	*/
102	cpu_list();	102	cpu_list();
103		103
104	#ifdef CONFIG_SMP	104	#ifdef CONFIG_SMP
105	if (config.cpu_count > 1) {	105	if (config.cpu_count > 1) {
106	int i;	106	int i;
107		107
108	/*	108	/*
109	* For each CPU, create its load balancing thread.	109	* For each CPU, create its load balancing thread.
110	*/	110	*/
111	for (i = 0; i < config.cpu_count; i++) {	111	for (i = 0; i < config.cpu_count; i++) {
112		112
113	if ((t = thread_create(kcpulb, NULL, TASK, 0))) {	113	if ((t = thread_create(kcpulb, NULL, TASK, 0))) {
114	spinlock_lock(&t->lock);	114	spinlock_lock(&t->lock);
115	t->flags \|= X_WIRED;	115	t->flags \|= X_WIRED;
116	t->cpu = &cpus[i];	116	t->cpu = &cpus[i];
117	spinlock_unlock(&t->lock);	117	spinlock_unlock(&t->lock);
118	thread_ready(t);	118	thread_ready(t);
119	}	119	}
120	else panic("thread_create/kcpulb\n");	120	else panic("thread_create/kcpulb\n");
121		121
122	}	122	}
123	}	123	}
124	#endif /* CONFIG_SMP */	124	#endif /* CONFIG_SMP */
125		125
126	/*	126	/*
127	* At this point SMP, if present, is configured.	127	* At this point SMP, if present, is configured.
128	*/	128	*/
129	arch_post_smp_init();	129	arch_post_smp_init();
130		130
131	/*	131	/*
132	* Create kernel console.	132	* Create kernel console.
133	*/	133	*/
134	if ((t = thread_create(kconsole, "kconsole", TASK, 0)))	134	if ((t = thread_create(kconsole, "kconsole", TASK, 0)))
135	thread_ready(t);	135	thread_ready(t);
136	else	136	else
137	panic("thread_create/kconsole\n");	137	panic("thread_create/kconsole\n");
138		138
139	interrupts_enable();	139	interrupts_enable();
140		140
-		141	ipc_create_phonecompany();
-		142
141	if (config.init_size > 0) {	143	if (config.init_size > 0) {
142	/*	144	/*
143	* Create the first user task.	145	* Create the first user task.
144	*/	146	*/
145		147
146	if (config.init_addr % FRAME_SIZE)	148	if (config.init_addr % FRAME_SIZE)
147	panic("config.init_addr is not frame aligned");	149	panic("config.init_addr is not frame aligned");
148		150
149	as = as_create(0);	151	as = as_create(0);
150	if (!as)	152	if (!as)
151	panic("as_create\n");	153	panic("as_create\n");
152		154
153	rc = elf_load((elf_header_t *) config.init_addr, as);	155	rc = elf_load((elf_header_t *) config.init_addr, as);
154	if (rc != EE_OK) {	156	if (rc != EE_OK) {
155	printf("elf_load failed: %s\n", elf_error(rc));	157	printf("elf_load failed: %s\n", elf_error(rc));
156	} else {	158	} else {
157	u = task_create(as);	159	u = task_create(as);
158	if (!u)	160	if (!u)
159	panic("task_create\n");	161	panic("task_create\n");
160	t = thread_create(uinit, (void )((elf_header_t ) config.init_addr)->e_entry, u, THREAD_USER_STACK);	162	t = thread_create(uinit, (void )((elf_header_t ) config.init_addr)->e_entry, u, THREAD_USER_STACK);
161	if (!t)	163	if (!t)
162	panic("thread_create\n");	164	panic("thread_create\n");
163		165
164	/*	166	/*
165	* Create the data as_area.	167	* Create the data as_area.
166	*/	168	*/
167	a = as_area_create(as, AS_AREA_STACK, 1, USTACK_ADDRESS);	169	a = as_area_create(as, AS_AREA_STACK, 1, USTACK_ADDRESS);
168	if (!a)	170	if (!a)
169	panic("as_area_create: stack\n");	171	panic("as_area_create: stack\n");
170		172
171	thread_ready(t);	173	thread_ready(t);
172	}	174	}
173	}	175	}
174		176
175	#ifdef CONFIG_TEST	177	#ifdef CONFIG_TEST
176	test();	178	test();
177	#endif /* CONFIG_TEST */	179	#endif /* CONFIG_TEST */
178		180
179	if (!stdin) {	181	if (!stdin) {
180	while (1) {	182	while (1) {
181	thread_sleep(1);	183	thread_sleep(1);
182	printf("kinit... ");	184	printf("kinit... ");
183	}	185	}
184	}	186	}
185		187
186	}	188	}
187		189

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/main/kinit.c @ 837 – Rev 938 → 955