WebSVN – HelenOS – Diff – /trunk/kernel/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.
 */
 
/** @addtogroup main
 * @{
 */
 
/**
 * @file
 * @brief Kernel initialization thread.
 *
 * This file contains kinit kernel thread which carries out
 * high level system initialization.
 *
 * This file is responsible for finishing SMP configuration
 * and creation of userspace init tasks.
 */
 
#include <main/kinit.h>
#include <config.h>
#include <arch.h>
#include <proc/scheduler.h>
#include <proc/task.h>
#include <proc/thread.h>
#include <proc/program.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 <security/cap.h>
#include <lib/rd.h>
#include <ipc/ipc.h>
#include <debug.h>
#include <string.h>
 
#ifdef CONFIG_SMP
#include <smp/smp.h>
#endif /* CONFIG_SMP */
 
#include <synch/waitq.h>
#include <synch/spinlock.h>
 
#define ALIVE_CHARS  4
 
#ifdef CONFIG_KCONSOLE
static char alive[ALIVE_CHARS] = "-\\|/";
#endif
 
#define INIT_PREFIX      "init:"
#define INIT_PREFIX_LEN  5
 
/** 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)
{
 
#if defined(CONFIG_SMP) || defined(CONFIG_KCONSOLE)
    thread_t *thread;
#endif
   
    /*
     * Detach kinit as nobody will call thread_join_timeout() on it.
     */
    thread_detach(THREAD);
   
    interrupts_disable();
   
#ifdef CONFIG_SMP
    if (config.cpu_count > 1) {
        waitq_initialize(&ap_completion_wq);
        /*
         * 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.
         */
        thread = thread_create(kmp, NULL, TASK, THREAD_FLAG_WIRED, "kmp", true);
        if (thread != NULL) {
            spinlock_lock(&thread->lock);
            thread->cpu = &cpus[0];
            spinlock_unlock(&thread->lock);
            thread_ready(thread);
        } else
            panic("Unable to create kmp thread.");
        thread_join(thread);
        thread_detach(thread);
    }
   
    if (config.cpu_count > 1) {
        count_t i;
       
        /*
         * For each CPU, create its load balancing thread.
         */
        for (i = 0; i < config.cpu_count; i++) {
            thread = thread_create(kcpulb, NULL, TASK, THREAD_FLAG_WIRED, "kcpulb", true);
            if (thread != NULL) {
                spinlock_lock(&thread->lock);
                thread->cpu = &cpus[i];
                spinlock_unlock(&thread->lock);
                thread_ready(thread);
            } else
                printf("Unable to create kcpulb thread for cpu" PRIc "\n", i);
        }
    }
#endif /* CONFIG_SMP */
   
    /*
     * At this point SMP, if present, is configured.
     */
    arch_post_smp_init();
   
#ifdef CONFIG_KCONSOLE
    if (stdin) {
        /*
         * Create kernel console.
         */
        thread = thread_create(kconsole_thread, NULL, TASK, 0, "kconsole", false);
        if (thread != NULL)
            thread_ready(thread);
        else
            printf("Unable to create kconsole thread\n");
    }
#endif /* CONFIG_KCONSOLE */
   
    interrupts_enable();
   
    /*
     * Create user tasks, load RAM disk images.
     */
    count_t i;
    program_t programs[CONFIG_INIT_TASKS];
   
    for (i = 0; i < init.cnt; i++) {
        if (init.tasks[i].addr % FRAME_SIZE) {
            printf("init[%" PRIc "].addr is not frame aligned\n", i);
            continue;
        }
       
        /*
         * Construct task name from the 'init:' prefix and the
         * name stored in the init structure (if any).
         */
       
        char namebuf[TASK_NAME_BUFLEN];
        char *name;
       
        name = init.tasks[i].name;
        if (name[0] == 0)
            name = "<unknown>";
       
        ASSERT(TASK_NAME_BUFLEN >= INIT_PREFIX_LEN);
        str_cpy(namebuf, TASK_NAME_BUFLEN, INIT_PREFIX);
        str_cpy(namebuf + INIT_PREFIX_LEN,
            TASK_NAME_BUFLEN - INIT_PREFIX_LEN, name);
 
        int rc = program_create_from_image((void *) init.tasks[i].addr,
            namebuf, &programs[i]);
       
        if ((rc == 0) && (programs[i].task != NULL)) {
            /*
             * Set capabilities to init userspace tasks.
             */
            cap_set(programs[i].task, CAP_CAP | CAP_MEM_MANAGER |
                CAP_IO_MANAGER | CAP_PREEMPT_CONTROL | CAP_IRQ_REG);
           
            if (!ipc_phone_0)
                ipc_phone_0 = &programs[i].task->answerbox;
        } else if (rc == 0) {
            /* It was the program loader and was registered */
        } else {
            /* RAM disk image */
            int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size);
           
            if (rd != RE_OK)
                printf("Init binary %" PRIc " not used (error %d)\n", i, rd);
        }
    }
   
    /*
     * Run user tasks with small delays
     * to avoid intermixed klog output.
     *
     * TODO: This certainly does not guarantee
     *       anything, it just works in most of the
     *       cases. Some better way how to achieve
     *       nice klog output should be found.
     */
    for (i = 0; i < init.cnt; i++) {
        if (programs[i].task != NULL) {
            program_ready(&programs[i]);
            thread_usleep(10000);
        }
    }
   
#ifdef CONFIG_KCONSOLE
    if (!stdin) {
        thread_sleep(10);
        printf("kinit: No stdin\nKernel alive: .");
       
        unsigned int i = 0;
        while (true) {
            printf("\b%c", alive[i % ALIVE_CHARS]);
            thread_sleep(1);
            i++;
        }
    }
#endif /* CONFIG_KCONSOLE */
}
 
/** @}
 */
 

Rev 4220	Rev 4267
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	/** @addtogroup main	29	/** @addtogroup main
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/**	33	/**
34	* @file	34	* @file
35	* @brief Kernel initialization thread.	35	* @brief Kernel initialization thread.
36	*	36	*
37	* This file contains kinit kernel thread which carries out	37	* This file contains kinit kernel thread which carries out
38	* high level system initialization.	38	* high level system initialization.
39	*	39	*
40	* This file is responsible for finishing SMP configuration	40	* This file is responsible for finishing SMP configuration
41	* and creation of userspace init tasks.	41	* and creation of userspace init tasks.
42	*/	42	*/
43		43
44	#include <main/kinit.h>	44	#include <main/kinit.h>
45	#include <config.h>	45	#include <config.h>
46	#include <arch.h>	46	#include <arch.h>
47	#include <proc/scheduler.h>	47	#include <proc/scheduler.h>
48	#include <proc/task.h>	48	#include <proc/task.h>
49	#include <proc/thread.h>	49	#include <proc/thread.h>
50	#include <proc/program.h>	50	#include <proc/program.h>
51	#include <panic.h>	51	#include <panic.h>
52	#include <func.h>	52	#include <func.h>
53	#include <cpu.h>	53	#include <cpu.h>
54	#include <arch/asm.h>	54	#include <arch/asm.h>
55	#include <mm/page.h>	55	#include <mm/page.h>
56	#include <arch/mm/page.h>	56	#include <arch/mm/page.h>
57	#include <mm/as.h>	57	#include <mm/as.h>
58	#include <mm/frame.h>	58	#include <mm/frame.h>
59	#include <print.h>	59	#include <print.h>
60	#include <memstr.h>	60	#include <memstr.h>
61	#include <console/console.h>	61	#include <console/console.h>
62	#include <interrupt.h>	62	#include <interrupt.h>
63	#include <console/kconsole.h>	63	#include <console/kconsole.h>
64	#include <security/cap.h>	64	#include <security/cap.h>
65	#include <lib/rd.h>	65	#include <lib/rd.h>
66	#include <ipc/ipc.h>	66	#include <ipc/ipc.h>
67	#include <debug.h>	67	#include <debug.h>
68	#include <string.h>	68	#include <string.h>
69		69
70	#ifdef CONFIG_SMP	70	#ifdef CONFIG_SMP
71	#include <smp/smp.h>	71	#include <smp/smp.h>
72	#endif /* CONFIG_SMP */	72	#endif /* CONFIG_SMP */
73		73
74	#include <synch/waitq.h>	74	#include <synch/waitq.h>
75	#include <synch/spinlock.h>	75	#include <synch/spinlock.h>
76		76
77	#define ALIVE_CHARS 4	77	#define ALIVE_CHARS 4
78		78
79	#ifdef CONFIG_KCONSOLE	79	#ifdef CONFIG_KCONSOLE
80	static char alive[ALIVE_CHARS] = "-\\\|/";	80	static char alive[ALIVE_CHARS] = "-\\\|/";
81	#endif	81	#endif
82		82
83	#define INIT_PREFIX "init:"	83	#define INIT_PREFIX "init:"
84	#define INIT_PREFIX_LEN 5	84	#define INIT_PREFIX_LEN 5
85		85
86	/** Kernel initialization thread.	86	/** Kernel initialization thread.
87	*	87	*
88	* kinit takes care of higher level kernel	88	* kinit takes care of higher level kernel
89	* initialization (i.e. thread creation,	89	* initialization (i.e. thread creation,
90	* userspace initialization etc.).	90	* userspace initialization etc.).
91	*	91	*
92	* @param arg Not used.	92	* @param arg Not used.
93	*/	93	*/
94	void kinit(void *arg)	94	void kinit(void *arg)
95	{	95	{
96		96
97	#if defined(CONFIG_SMP) \|\| defined(CONFIG_KCONSOLE)	97	#if defined(CONFIG_SMP) \|\| defined(CONFIG_KCONSOLE)
98	thread_t *thread;	98	thread_t *thread;
99	#endif	99	#endif
100		100
101	/*	101	/*
102	* Detach kinit as nobody will call thread_join_timeout() on it.	102	* Detach kinit as nobody will call thread_join_timeout() on it.
103	*/	103	*/
104	thread_detach(THREAD);	104	thread_detach(THREAD);
105		105
106	interrupts_disable();	106	interrupts_disable();
107		107
108	#ifdef CONFIG_SMP	108	#ifdef CONFIG_SMP
109	if (config.cpu_count > 1) {	109	if (config.cpu_count > 1) {
110	waitq_initialize(&ap_completion_wq);	110	waitq_initialize(&ap_completion_wq);
111	/*	111	/*
112	* Create the kmp thread and wait for its completion.	112	* Create the kmp thread and wait for its completion.
113	* cpu1 through cpuN-1 will come up consecutively and	113	* cpu1 through cpuN-1 will come up consecutively and
114	* not mess together with kcpulb threads.	114	* not mess together with kcpulb threads.
115	* Just a beautification.	115	* Just a beautification.
116	*/	116	*/
117	thread = thread_create(kmp, NULL, TASK, THREAD_FLAG_WIRED, "kmp", true);	117	thread = thread_create(kmp, NULL, TASK, THREAD_FLAG_WIRED, "kmp", true);
118	if (thread != NULL) {	118	if (thread != NULL) {
119	spinlock_lock(&thread->lock);	119	spinlock_lock(&thread->lock);
120	thread->cpu = &cpus[0];	120	thread->cpu = &cpus[0];
121	spinlock_unlock(&thread->lock);	121	spinlock_unlock(&thread->lock);
122	thread_ready(thread);	122	thread_ready(thread);
123	} else	123	} else
124	panic("Unable to create kmp thread.");	124	panic("Unable to create kmp thread.");
125	thread_join(thread);	125	thread_join(thread);
126	thread_detach(thread);	126	thread_detach(thread);
127	}	127	}
128		128
129	if (config.cpu_count > 1) {	129	if (config.cpu_count > 1) {
130	count_t i;	130	count_t i;
131		131
132	/*	132	/*
133	* For each CPU, create its load balancing thread.	133	* For each CPU, create its load balancing thread.
134	*/	134	*/
135	for (i = 0; i < config.cpu_count; i++) {	135	for (i = 0; i < config.cpu_count; i++) {
136	thread = thread_create(kcpulb, NULL, TASK, THREAD_FLAG_WIRED, "kcpulb", true);	136	thread = thread_create(kcpulb, NULL, TASK, THREAD_FLAG_WIRED, "kcpulb", true);
137	if (thread != NULL) {	137	if (thread != NULL) {
138	spinlock_lock(&thread->lock);	138	spinlock_lock(&thread->lock);
139	thread->cpu = &cpus[i];	139	thread->cpu = &cpus[i];
140	spinlock_unlock(&thread->lock);	140	spinlock_unlock(&thread->lock);
141	thread_ready(thread);	141	thread_ready(thread);
142	} else	142	} else
143	printf("Unable to create kcpulb thread for cpu" PRIc "\n", i);	143	printf("Unable to create kcpulb thread for cpu" PRIc "\n", i);
144	}	144	}
145	}	145	}
146	#endif /* CONFIG_SMP */	146	#endif /* CONFIG_SMP */
147		147
148	/*	148	/*
149	* At this point SMP, if present, is configured.	149	* At this point SMP, if present, is configured.
150	*/	150	*/
151	arch_post_smp_init();	151	arch_post_smp_init();
152		152
153	#ifdef CONFIG_KCONSOLE	153	#ifdef CONFIG_KCONSOLE
154	if (stdin) {	154	if (stdin) {
155	/*	155	/*
156	* Create kernel console.	156	* Create kernel console.
157	*/	157	*/
158	thread = thread_create(kconsole_thread, NULL, TASK, 0, "kconsole", false);	158	thread = thread_create(kconsole_thread, NULL, TASK, 0, "kconsole", false);
159	if (thread != NULL)	159	if (thread != NULL)
160	thread_ready(thread);	160	thread_ready(thread);
161	else	161	else
162	printf("Unable to create kconsole thread\n");	162	printf("Unable to create kconsole thread\n");
163	}	163	}
164	#endif /* CONFIG_KCONSOLE */	164	#endif /* CONFIG_KCONSOLE */
165		165
166	interrupts_enable();	166	interrupts_enable();
167		167
168	/*	168	/*
169	* Create user tasks, load RAM disk images.	169	* Create user tasks, load RAM disk images.
170	*/	170	*/
171	count_t i;	171	count_t i;
172	program_t programs[CONFIG_INIT_TASKS];	172	program_t programs[CONFIG_INIT_TASKS];
173		173
174	for (i = 0; i < init.cnt; i++) {	174	for (i = 0; i < init.cnt; i++) {
175	if (init.tasks[i].addr % FRAME_SIZE) {	175	if (init.tasks[i].addr % FRAME_SIZE) {
176	printf("init[%" PRIc "].addr is not frame aligned\n", i);	176	printf("init[%" PRIc "].addr is not frame aligned\n", i);
177	continue;	177	continue;
178	}	178	}
179		179
180	/*	180	/*
181	* Construct task name from the 'init:' prefix and the	181	* Construct task name from the 'init:' prefix and the
182	* name stored in the init structure (if any).	182	* name stored in the init structure (if any).
183	*/	183	*/
184		184
185	char namebuf[TASK_NAME_BUFLEN];	185	char namebuf[TASK_NAME_BUFLEN];
186	char *name;	186	char *name;
187		187
188	name = init.tasks[i].name;	188	name = init.tasks[i].name;
189	if (name[0] == 0)	189	if (name[0] == 0)
190	name = "<unknown>";	190	name = "<unknown>";
191		191
192	ASSERT(TASK_NAME_BUFLEN >= INIT_PREFIX_LEN);	192	ASSERT(TASK_NAME_BUFLEN >= INIT_PREFIX_LEN);
193	str_ncpy(namebuf, INIT_PREFIX, TASK_NAME_BUFLEN);	193	str_cpy(namebuf, TASK_NAME_BUFLEN, INIT_PREFIX);
194	str_ncpy(namebuf + INIT_PREFIX_LEN, name,	194	str_cpy(namebuf + INIT_PREFIX_LEN,
195	TASK_NAME_BUFLEN - INIT_PREFIX_LEN);	195	TASK_NAME_BUFLEN - INIT_PREFIX_LEN, name);
196		196
197	int rc = program_create_from_image((void *) init.tasks[i].addr,	197	int rc = program_create_from_image((void *) init.tasks[i].addr,
198	namebuf, &programs[i]);	198	namebuf, &programs[i]);
199		199
200	if ((rc == 0) && (programs[i].task != NULL)) {	200	if ((rc == 0) && (programs[i].task != NULL)) {
201	/*	201	/*
202	* Set capabilities to init userspace tasks.	202	* Set capabilities to init userspace tasks.
203	*/	203	*/
204	cap_set(programs[i].task, CAP_CAP \| CAP_MEM_MANAGER \|	204	cap_set(programs[i].task, CAP_CAP \| CAP_MEM_MANAGER \|
205	CAP_IO_MANAGER \| CAP_PREEMPT_CONTROL \| CAP_IRQ_REG);	205	CAP_IO_MANAGER \| CAP_PREEMPT_CONTROL \| CAP_IRQ_REG);
206		206
207	if (!ipc_phone_0)	207	if (!ipc_phone_0)
208	ipc_phone_0 = &programs[i].task->answerbox;	208	ipc_phone_0 = &programs[i].task->answerbox;
209	} else if (rc == 0) {	209	} else if (rc == 0) {
210	/* It was the program loader and was registered */	210	/* It was the program loader and was registered */
211	} else {	211	} else {
212	/* RAM disk image */	212	/* RAM disk image */
213	int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size);	213	int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size);
214		214
215	if (rd != RE_OK)	215	if (rd != RE_OK)
216	printf("Init binary %" PRIc " not used (error %d)\n", i, rd);	216	printf("Init binary %" PRIc " not used (error %d)\n", i, rd);
217	}	217	}
218	}	218	}
219		219
220	/*	220	/*
221	* Run user tasks with small delays	221	* Run user tasks with small delays
222	* to avoid intermixed klog output.	222	* to avoid intermixed klog output.
223	*	223	*
224	* TODO: This certainly does not guarantee	224	* TODO: This certainly does not guarantee
225	* anything, it just works in most of the	225	* anything, it just works in most of the
226	* cases. Some better way how to achieve	226	* cases. Some better way how to achieve
227	* nice klog output should be found.	227	* nice klog output should be found.
228	*/	228	*/
229	for (i = 0; i < init.cnt; i++) {	229	for (i = 0; i < init.cnt; i++) {
230	if (programs[i].task != NULL) {	230	if (programs[i].task != NULL) {
231	program_ready(&programs[i]);	231	program_ready(&programs[i]);
232	thread_usleep(10000);	232	thread_usleep(10000);
233	}	233	}
234	}	234	}
235		235
236	#ifdef CONFIG_KCONSOLE	236	#ifdef CONFIG_KCONSOLE
237	if (!stdin) {	237	if (!stdin) {
238	thread_sleep(10);	238	thread_sleep(10);
239	printf("kinit: No stdin\nKernel alive: .");	239	printf("kinit: No stdin\nKernel alive: .");
240		240
241	unsigned int i = 0;	241	unsigned int i = 0;
242	while (true) {	242	while (true) {
243	printf("\b%c", alive[i % ALIVE_CHARS]);	243	printf("\b%c", alive[i % ALIVE_CHARS]);
244	thread_sleep(1);	244	thread_sleep(1);
245	i++;	245	i++;
246	}	246	}
247	}	247	}
248	#endif /* CONFIG_KCONSOLE */	248	#endif /* CONFIG_KCONSOLE */
249	}	249	}
250		250
251	/** @}	251	/** @}
252	*/	252	*/
253		253

Subversion Repositories HelenOS

(root)/trunk/kernel/generic/src/main/kinit.c @ 2114 – Rev 4220 → 4267