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1596 | palkovsky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Ondrej Palkovsky |
1596 | palkovsky | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1653 | cejka | 29 | /** @addtogroup klog KLog |
30 | * @brief HelenOS KLog |
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31 | * @{ |
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32 | */ |
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33 | /** |
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34 | * @file |
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35 | */ |
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36 | |||
1596 | palkovsky | 37 | #include <stdio.h> |
38 | #include <ipc/ipc.h> |
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39 | #include <async.h> |
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40 | #include <ipc/services.h> |
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41 | #include <as.h> |
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1923 | jermar | 42 | #include <sysinfo.h> |
1596 | palkovsky | 43 | |
44 | /* Pointer to klog area */ |
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45 | static char *klog; |
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46 | |||
1721 | palkovsky | 47 | static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
1596 | palkovsky | 48 | { |
49 | int i; |
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50 | |||
1610 | palkovsky | 51 | async_serialize_start(); |
1694 | palkovsky | 52 | for (i=0; klog[i + IPC_GET_ARG1(*call)] && i < IPC_GET_ARG2(*call); i++) |
53 | putchar(klog[i + IPC_GET_ARG1(*call)]); |
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1596 | palkovsky | 54 | putchar('\n'); |
1610 | palkovsky | 55 | async_serialize_end(); |
1596 | palkovsky | 56 | } |
57 | |||
58 | int main(int argc, char *argv[]) |
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59 | { |
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60 | int res; |
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61 | void *mapping; |
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62 | |||
63 | printf("Kernel console output.\n"); |
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64 | |||
2141 | jermar | 65 | mapping = as_get_mappable_page(PAGE_SIZE); |
2678 | jermar | 66 | res = ipc_share_in_start_1_0(PHONE_NS, mapping, PAGE_SIZE, |
2677 | jermar | 67 | SERVICE_MEM_KLOG); |
1596 | palkovsky | 68 | if (res) { |
69 | printf("Failed to initialize klog memarea\n"); |
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70 | _exit(1); |
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71 | } |
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72 | klog = mapping; |
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73 | |||
1923 | jermar | 74 | int inr = sysinfo_value("klog.inr"); |
75 | int devno = sysinfo_value("klog.devno"); |
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76 | if (ipc_register_irq(inr, devno, 0, NULL)) { |
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1596 | palkovsky | 77 | printf("Error registering for klog service.\n"); |
78 | return 0; |
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79 | } |
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80 | |||
81 | async_set_interrupt_received(interrupt_received); |
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82 | |||
83 | async_manager(); |
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84 | |||
85 | return 0; |
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86 | } |
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1653 | cejka | 87 | |
88 | /** @} |
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89 | */ |