WebSVN – HelenOS-historic – Diff – /uspace/trunk/klog/klog.c


/*
 * Copyright (C) 2006 Ondrej Palkovsky
 * 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 klog KLog
 * @brief   HelenOS KLog
 * @{
 */
/**
 * @file
 */
 
#include <stdio.h>
#include <ipc/ipc.h>
#include <async.h>
#include <ipc/services.h>
#include <as.h>
#include <kernel/ipc/irq.h>
 
/* Pointer to klog area */
static char *klog;
 
void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
{
    int i;
   
    async_serialize_start();
    for (i=0; klog[i + IPC_GET_ARG2(*call)] && i < IPC_GET_ARG3(*call); i++)
        putchar(klog[i + IPC_GET_ARG2(*call)]);
    putchar('\n');
    async_serialize_end();
}
 
int main(int argc, char *argv[])
{
    int res;
    void *mapping;
 
    printf("Kernel console output.\n");
   
    mapping = as_get_mappable_page(PAGE_SIZE);
    res = ipc_call_sync_3(PHONE_NS, IPC_M_AS_AREA_RECV,
                  (sysarg_t)mapping, PAGE_SIZE, SERVICE_MEM_KLOG,
                  NULL,NULL,NULL);
    if (res) {
        printf("Failed to initialize klog memarea\n");
        _exit(1);
    }
    klog = mapping;
 
    if (ipc_register_irq(IPC_IRQ_KLOG, NULL)) {
        printf("Error registering for klog service.\n");
        return 0;
    }
 
    async_set_interrupt_received(interrupt_received);
 
    async_manager();
 
    return 0;
}
 
/** @}
 */
 

Rev 1616	Rev 1653
1	/*	1	/*
2	* Copyright (C) 2006 Ondrej Palkovsky	2	* Copyright (C) 2006 Ondrej Palkovsky
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 klog KLog
-		30	* @brief HelenOS KLog
-		31	* @{
-		32	*/
-		33	/**
-		34	* @file
-		35	*/
-		36
29	#include <stdio.h>	37	#include <stdio.h>
30	#include <ipc/ipc.h>	38	#include <ipc/ipc.h>
31	#include <async.h>	39	#include <async.h>
32	#include <ipc/services.h>	40	#include <ipc/services.h>
33	#include <as.h>	41	#include <as.h>
34	#include <kernel/ipc/irq.h>	42	#include <kernel/ipc/irq.h>
35		43
36	/* Pointer to klog area */	44	/* Pointer to klog area */
37	static char *klog;	45	static char *klog;
38		46
39	void interrupt_received(ipc_callid_t callid, ipc_call_t *call)	47	void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
40	{	48	{
41	int i;	49	int i;
42		50
43	async_serialize_start();	51	async_serialize_start();
44	for (i=0; klog[i + IPC_GET_ARG2(call)] && i < IPC_GET_ARG3(call); i++)	52	for (i=0; klog[i + IPC_GET_ARG2(call)] && i < IPC_GET_ARG3(call); i++)
45	putchar(klog[i + IPC_GET_ARG2(*call)]);	53	putchar(klog[i + IPC_GET_ARG2(*call)]);
46	putchar('\n');	54	putchar('\n');
47	async_serialize_end();	55	async_serialize_end();
48	}	56	}
49		57
50	int main(int argc, char *argv[])	58	int main(int argc, char *argv[])
51	{	59	{
52	int res;	60	int res;
53	void *mapping;	61	void *mapping;
54		62
55	printf("Kernel console output.\n");	63	printf("Kernel console output.\n");
56		64
57	mapping = as_get_mappable_page(PAGE_SIZE);	65	mapping = as_get_mappable_page(PAGE_SIZE);
58	res = ipc_call_sync_3(PHONE_NS, IPC_M_AS_AREA_RECV,	66	res = ipc_call_sync_3(PHONE_NS, IPC_M_AS_AREA_RECV,
59	(sysarg_t)mapping, PAGE_SIZE, SERVICE_MEM_KLOG,	67	(sysarg_t)mapping, PAGE_SIZE, SERVICE_MEM_KLOG,
60	NULL,NULL,NULL);	68	NULL,NULL,NULL);
61	if (res) {	69	if (res) {
62	printf("Failed to initialize klog memarea\n");	70	printf("Failed to initialize klog memarea\n");
63	_exit(1);	71	_exit(1);
64	}	72	}
65	klog = mapping;	73	klog = mapping;
66		74
67	if (ipc_register_irq(IPC_IRQ_KLOG, NULL)) {	75	if (ipc_register_irq(IPC_IRQ_KLOG, NULL)) {
68	printf("Error registering for klog service.\n");	76	printf("Error registering for klog service.\n");
69	return 0;	77	return 0;
70	}	78	}
71		79
72	async_set_interrupt_received(interrupt_received);	80	async_set_interrupt_received(interrupt_received);
73		81
74	async_manager();	82	async_manager();
75		83
76	return 0;	84	return 0;
77	}	85	}
-		86
-		87	/** @}
-		88	*/
78		89

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/klog/klog.c – Rev 1616 → 1653