Rev 2787 | Rev 4377 | 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> |
||
| 1923 | jermar | 42 | #include <sysinfo.h> |
| 3424 | svoboda | 43 | #include <io/stream.h> |
| 44 | #include <errno.h> |
||
| 1596 | palkovsky | 45 | |
| 3424 | svoboda | 46 | #define NAME "klog" |
| 47 | |||
| 48 | #define KLOG_SIZE PAGE_SIZE |
||
| 49 | |||
| 1596 | palkovsky | 50 | /* Pointer to klog area */ |
| 51 | static char *klog; |
||
| 52 | |||
| 3424 | svoboda | 53 | static void console_wait(void) |
| 54 | { |
||
| 55 | while (get_cons_phone() < 0) |
||
| 56 | usleep(50000); // FIXME |
||
| 57 | } |
||
| 58 | |||
| 1721 | palkovsky | 59 | static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
| 1596 | palkovsky | 60 | { |
| 3424 | svoboda | 61 | async_serialize_start(); |
| 1596 | palkovsky | 62 | |
| 3424 | svoboda | 63 | size_t klog_start = (size_t) IPC_GET_ARG1(*call); |
| 64 | size_t klog_len = (size_t) IPC_GET_ARG2(*call); |
||
| 65 | size_t klog_stored = (size_t) IPC_GET_ARG3(*call); |
||
| 66 | size_t i; |
||
| 67 | for (i = klog_len - klog_stored; i < klog_len; i++) |
||
| 68 | putchar(klog[(klog_start + i) % KLOG_SIZE]); |
||
| 69 | |||
| 1610 | palkovsky | 70 | async_serialize_end(); |
| 1596 | palkovsky | 71 | } |
| 72 | |||
| 73 | int main(int argc, char *argv[]) |
||
| 74 | { |
||
| 3424 | svoboda | 75 | console_wait(); |
| 1596 | palkovsky | 76 | |
| 3424 | svoboda | 77 | klog = (char *) as_get_mappable_page(KLOG_SIZE); |
| 78 | if (klog == NULL) { |
||
| 79 | printf(NAME ": Error allocating memory area\n"); |
||
| 80 | return -1; |
||
| 81 | } |
||
| 82 | |||
| 83 | int res = ipc_share_in_start_1_0(PHONE_NS, (void *) klog, KLOG_SIZE, |
||
| 2677 | jermar | 84 | SERVICE_MEM_KLOG); |
| 3424 | svoboda | 85 | if (res != EOK) { |
| 86 | printf(NAME ": Error initializing memory area\n"); |
||
| 87 | return -1; |
||
| 1596 | palkovsky | 88 | } |
| 89 | |||
| 1923 | jermar | 90 | int inr = sysinfo_value("klog.inr"); |
| 91 | int devno = sysinfo_value("klog.devno"); |
||
| 3424 | svoboda | 92 | if (ipc_register_irq(inr, devno, 0, NULL) != EOK) { |
| 93 | printf(NAME ": Error registering klog notifications\n"); |
||
| 94 | return -1; |
||
| 1596 | palkovsky | 95 | } |
| 3424 | svoboda | 96 | |
| 1596 | palkovsky | 97 | async_set_interrupt_received(interrupt_received); |
| 3424 | svoboda | 98 | klog_update(); |
| 1596 | palkovsky | 99 | async_manager(); |
| 100 | |||
| 101 | return 0; |
||
| 102 | } |
||
| 1653 | cejka | 103 | |
| 104 | /** @} |
||
| 105 | */ |