WebSVN – HelenOS – Diff – /branches/sparc/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>
 
#ifdef CONFIG_SMP
#include <smp/smp.h>
#endif /* CONFIG_SMP */
 
#include <synch/waitq.h>
#include <synch/spinlock.h>
 
/** 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\n");
        thread_join(thread);
        thread_detach(thread);
    }
#endif /* CONFIG_SMP */
   
#ifdef CONFIG_SMP
    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;
        }
       
        int rc = program_create_from_image((void *) init.tasks[i].addr,
            "init-bin", &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 reasonable delays
     */
    for (i = 0; i < init.cnt; i++) {
        if (programs[i].task != NULL) {
            thread_usleep(50000);
            program_ready(&programs[i]);
        }
    }
 
#ifdef CONFIG_KCONSOLE
    if (!stdin) {
        printf("kinit: No stdin\nKernel alive: ");
       
        uint64_t i = 0;
        while (1) {
            printf(PRIu64 " ", i);
            thread_sleep(1);
            i++;
        }
    }
#endif /* CONFIG_KCONSOLE */
 
}
 
/** @}
 */
 

Rev 3817	Rev 3862
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		67
68	#ifdef CONFIG_SMP	68	#ifdef CONFIG_SMP
69	#include <smp/smp.h>	69	#include <smp/smp.h>
70	#endif /* CONFIG_SMP */	70	#endif /* CONFIG_SMP */
71		71
72	#include <synch/waitq.h>	72	#include <synch/waitq.h>
73	#include <synch/spinlock.h>	73	#include <synch/spinlock.h>
74		74
75	/** Kernel initialization thread.	75	/** Kernel initialization thread.
76	*	76	*
77	* kinit takes care of higher level kernel	77	* kinit takes care of higher level kernel
78	* initialization (i.e. thread creation,	78	* initialization (i.e. thread creation,
79	* userspace initialization etc.).	79	* userspace initialization etc.).
80	*	80	*
81	* @param arg Not used.	81	* @param arg Not used.
82	*/	82	*/
83	void kinit(void *arg)	83	void kinit(void *arg)
84	{	84	{
85		85
86	#if defined(CONFIG_SMP) \|\| defined(CONFIG_KCONSOLE)	86	#if defined(CONFIG_SMP) \|\| defined(CONFIG_KCONSOLE)
87	thread_t *thread;	87	thread_t *thread;
88	#endif	88	#endif
89		89
90	/*	90	/*
91	* Detach kinit as nobody will call thread_join_timeout() on it.	91	* Detach kinit as nobody will call thread_join_timeout() on it.
92	*/	92	*/
93	thread_detach(THREAD);	93	thread_detach(THREAD);
94		94
95	interrupts_disable();	95	interrupts_disable();
96		96
97	#ifdef CONFIG_SMP	97	#ifdef CONFIG_SMP
98	if (config.cpu_count > 1) {	98	if (config.cpu_count > 1) {
99	waitq_initialize(&ap_completion_wq);	99	waitq_initialize(&ap_completion_wq);
100	/*	100	/*
101	* Create the kmp thread and wait for its completion.	101	* Create the kmp thread and wait for its completion.
102	* cpu1 through cpuN-1 will come up consecutively and	102	* cpu1 through cpuN-1 will come up consecutively and
103	* not mess together with kcpulb threads.	103	* not mess together with kcpulb threads.
104	* Just a beautification.	104	* Just a beautification.
105	*/	105	*/
106	thread = thread_create(kmp, NULL, TASK, THREAD_FLAG_WIRED, "kmp", true);	106	thread = thread_create(kmp, NULL, TASK, THREAD_FLAG_WIRED, "kmp", true);
107	if (thread != NULL) {	107	if (thread != NULL) {
108	spinlock_lock(&thread->lock);	108	spinlock_lock(&thread->lock);
109	thread->cpu = &cpus[0];	109	thread->cpu = &cpus[0];
110	spinlock_unlock(&thread->lock);	110	spinlock_unlock(&thread->lock);
111	thread_ready(thread);	111	thread_ready(thread);
112	} else	112	} else
113	panic("Unable to create kmp thread\n");	113	panic("Unable to create kmp thread\n");
114	thread_join(thread);	114	thread_join(thread);
115	thread_detach(thread);	115	thread_detach(thread);
116	}	116	}
117	#endif /* CONFIG_SMP */	117	#endif /* CONFIG_SMP */
118		118
119	#ifdef CONFIG_SMP	119	#ifdef CONFIG_SMP
120	if (config.cpu_count > 1) {	120	if (config.cpu_count > 1) {
121	count_t i;	121	count_t i;
122		122
123	/*	123	/*
124	* For each CPU, create its load balancing thread.	124	* For each CPU, create its load balancing thread.
125	*/	125	*/
126	for (i = 0; i < config.cpu_count; i++) {	126	for (i = 0; i < config.cpu_count; i++) {
127	thread = thread_create(kcpulb, NULL, TASK, THREAD_FLAG_WIRED, "kcpulb", true);	127	thread = thread_create(kcpulb, NULL, TASK, THREAD_FLAG_WIRED, "kcpulb", true);
128	if (thread != NULL) {	128	if (thread != NULL) {
129	spinlock_lock(&thread->lock);	129	spinlock_lock(&thread->lock);
130	thread->cpu = &cpus[i];	130	thread->cpu = &cpus[i];
131	spinlock_unlock(&thread->lock);	131	spinlock_unlock(&thread->lock);
132	thread_ready(thread);	132	thread_ready(thread);
133	} else	133	} else
134	printf("Unable to create kcpulb thread for cpu" PRIc "\n", i);	134	printf("Unable to create kcpulb thread for cpu" PRIc "\n", i);
135		135
136	}	136	}
137	}	137	}
138	#endif /* CONFIG_SMP */	138	#endif /* CONFIG_SMP */
139		139
140	/*	140	/*
141	* At this point SMP, if present, is configured.	141	* At this point SMP, if present, is configured.
142	*/	142	*/
143	arch_post_smp_init();	143	arch_post_smp_init();
144		144
145	#ifdef CONFIG_KCONSOLE	145	#ifdef CONFIG_KCONSOLE
146	if (stdin) {	146	if (stdin) {
147	/*	147	/*
148	* Create kernel console.	148	* Create kernel console.
149	*/	149	*/
150	thread = thread_create(kconsole_thread, NULL, TASK, 0, "kconsole", false);	150	thread = thread_create(kconsole_thread, NULL, TASK, 0, "kconsole", false);
151	if (thread != NULL)	151	if (thread != NULL)
152	thread_ready(thread);	152	thread_ready(thread);
153	else	153	else
154	printf("Unable to create kconsole thread\n");	154	printf("Unable to create kconsole thread\n");
155	}	155	}
156	#endif /* CONFIG_KCONSOLE */	156	#endif /* CONFIG_KCONSOLE */
157		157
158	interrupts_enable();	158	interrupts_enable();
159		159
160	#if defined (SUN4U)	-
161	/*	160	/*
162	* Create user tasks, load RAM disk images.	161	* Create user tasks, load RAM disk images.
163	*/	162	*/
164	count_t i;	163	count_t i;
165	program_t programs[CONFIG_INIT_TASKS];	164	program_t programs[CONFIG_INIT_TASKS];
166		165
167	for (i = 0; i < init.cnt; i++) {	166	for (i = 0; i < init.cnt; i++) {
168	if (init.tasks[i].addr % FRAME_SIZE) {	167	if (init.tasks[i].addr % FRAME_SIZE) {
169	printf("init[%" PRIc "].addr is not frame aligned\n", i);	168	printf("init[%" PRIc "].addr is not frame aligned\n", i);
170	continue;	169	continue;
171	}	170	}
172		171
173	int rc = program_create_from_image((void *) init.tasks[i].addr,	172	int rc = program_create_from_image((void *) init.tasks[i].addr,
174	"init-bin", &programs[i]);	173	"init-bin", &programs[i]);
175		174
176	if ((rc == 0) && (programs[i].task != NULL)) {	175	if ((rc == 0) && (programs[i].task != NULL)) {
177	/*	176	/*
178	* Set capabilities to init userspace tasks.	177	* Set capabilities to init userspace tasks.
179	*/	178	*/
180	cap_set(programs[i].task, CAP_CAP \| CAP_MEM_MANAGER \|	179	cap_set(programs[i].task, CAP_CAP \| CAP_MEM_MANAGER \|
181	CAP_IO_MANAGER \| CAP_PREEMPT_CONTROL \| CAP_IRQ_REG);	180	CAP_IO_MANAGER \| CAP_PREEMPT_CONTROL \| CAP_IRQ_REG);
182		181
183	if (!ipc_phone_0)	182	if (!ipc_phone_0)
184	ipc_phone_0 = &programs[i].task->answerbox;	183	ipc_phone_0 = &programs[i].task->answerbox;
185	} else if (rc == 0) {	184	} else if (rc == 0) {
186	/* It was the program loader and was registered */	185	/* It was the program loader and was registered */
187	} else {	186	} else {
188	/* RAM disk image */	187	/* RAM disk image */
189	int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size);	188	int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size);
190		189
191	if (rd != RE_OK)	190	if (rd != RE_OK)
192	printf("Init binary %" PRIc " not used (error %d)\n", i, rd);	191	printf("Init binary %" PRIc " not used (error %d)\n", i, rd);
193	}	192	}
194	}	193	}
195		194
196	/*	195	/*
197	* Run user tasks with reasonable delays	196	* Run user tasks with reasonable delays
198	*/	197	*/
199	for (i = 0; i < init.cnt; i++) {	198	for (i = 0; i < init.cnt; i++) {
200	if (programs[i].task != NULL) {	199	if (programs[i].task != NULL) {
201	thread_usleep(50000);	200	thread_usleep(50000);
202	program_ready(&programs[i]);	201	program_ready(&programs[i]);
203	}	202	}
204	}	203	}
205		204
206	#ifdef CONFIG_KCONSOLE	205	#ifdef CONFIG_KCONSOLE
207	if (!stdin) {	206	if (!stdin) {
208	printf("kinit: No stdin\nKernel alive: ");	207	printf("kinit: No stdin\nKernel alive: ");
209		208
210	uint64_t i = 0;	209	uint64_t i = 0;
211	while (1) {	210	while (1) {
212	printf(PRIu64 " ", i);	211	printf(PRIu64 " ", i);
213	thread_sleep(1);	212	thread_sleep(1);
214	i++;	213	i++;
215	}	214	}
216	}	215	}
217	#endif /* CONFIG_KCONSOLE */	216	#endif /* CONFIG_KCONSOLE */
218	#endif	-
219	}	217	}
220		218
221	/** @}	219	/** @}
222	*/	220	*/
223		221

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/generic/src/main/kinit.c – Rev 3817 → 3862