Subversion Repositories HelenOS

Rev

Rev 2015 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1596 palkovsky 1
/*
2071 jermar 2
 * Copyright (c) 2006 Ondrej Palkovsky
1596 palkovsky 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1653 cejka 29
/** @addtogroup klog KLog
30
 * @brief   HelenOS KLog
31
 * @{
32
 */
33
/**
34
 * @file
35
 */
36
 
1596 palkovsky 37
#include <stdio.h>
38
#include <ipc/ipc.h>
39
#include <async.h>
40
#include <ipc/services.h>
41
#include <as.h>
42
#include <kernel/ipc/irq.h>
1923 jermar 43
#include <sysinfo.h>
1596 palkovsky 44
 
45
/* Pointer to klog area */
46
static char *klog;
47
 
1721 palkovsky 48
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
1596 palkovsky 49
{
50
    int i;
51
 
1610 palkovsky 52
    async_serialize_start();
1694 palkovsky 53
    for (i=0; klog[i + IPC_GET_ARG1(*call)] && i < IPC_GET_ARG2(*call); i++)
54
        putchar(klog[i + IPC_GET_ARG1(*call)]);
1596 palkovsky 55
    putchar('\n');
1610 palkovsky 56
    async_serialize_end();
1596 palkovsky 57
}
58
 
59
int main(int argc, char *argv[])
60
{
61
    int res;
62
    void *mapping;
63
 
64
    printf("Kernel console output.\n");
65
 
2015 jermar 66
    mapping = as_get_mappable_page(PAGE_SIZE, sysinfo_value("klog.fcolor"));
1596 palkovsky 67
    res = ipc_call_sync_3(PHONE_NS, IPC_M_AS_AREA_RECV,
2015 jermar 68
                  (sysarg_t) mapping, PAGE_SIZE, SERVICE_MEM_KLOG,
69
                  NULL, NULL, NULL);
1596 palkovsky 70
    if (res) {
71
        printf("Failed to initialize klog memarea\n");
72
        _exit(1);
73
    }
74
    klog = mapping;
75
 
1923 jermar 76
    int inr = sysinfo_value("klog.inr");
77
    int devno = sysinfo_value("klog.devno");
78
    if (ipc_register_irq(inr, devno, 0, NULL)) {
1596 palkovsky 79
        printf("Error registering for klog service.\n");
80
        return 0;
81
    }
82
 
83
    async_set_interrupt_received(interrupt_received);
84
 
85
    async_manager();
86
 
87
    return 0;
88
}
1653 cejka 89
 
90
/** @}
91
 */