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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 |
29 | /** @addtogroup klog KLog |
30 | * @brief HelenOS KLog |
30 | * @brief HelenOS KLog |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <stdio.h> |
37 | #include <stdio.h> |
38 | #include <ipc/ipc.h> |
38 | #include <ipc/ipc.h> |
39 | #include <async.h> |
39 | #include <async.h> |
40 | #include <ipc/services.h> |
40 | #include <ipc/services.h> |
41 | #include <as.h> |
41 | #include <as.h> |
42 | #include <sysinfo.h> |
42 | #include <sysinfo.h> |
43 | #include <io/stream.h> |
- | |
44 | #include <console.h> |
- | |
45 | #include <event.h> |
43 | #include <event.h> |
46 | #include <errno.h> |
44 | #include <errno.h> |
- | 45 | #include <io/klog.h> |
|
47 | 46 | ||
48 | #define NAME "klog" |
47 | #define NAME "klog" |
49 | 48 | ||
50 | /* Pointer to klog area */ |
49 | /* Pointer to klog area */ |
51 | static wchar_t *klog; |
50 | static wchar_t *klog; |
52 | static count_t klog_length; |
51 | static size_t klog_length; |
53 | 52 | ||
54 | static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
53 | static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
55 | { |
54 | { |
56 | async_serialize_start(); |
55 | async_serialize_start(); |
57 | 56 | ||
58 | count_t klog_start = (count_t) IPC_GET_ARG1(*call); |
57 | size_t klog_start = (size_t) IPC_GET_ARG1(*call); |
59 | count_t klog_len = (count_t) IPC_GET_ARG2(*call); |
58 | size_t klog_len = (size_t) IPC_GET_ARG2(*call); |
60 | count_t klog_stored = (count_t) IPC_GET_ARG3(*call); |
59 | size_t klog_stored = (size_t) IPC_GET_ARG3(*call); |
61 | count_t i; |
60 | size_t i; |
62 | 61 | ||
63 | for (i = klog_len - klog_stored; i < klog_len; i++) |
62 | for (i = klog_len - klog_stored; i < klog_len; i++) |
64 | putchar(klog[(klog_start + i) % klog_length]); |
63 | putchar(klog[(klog_start + i) % klog_length]); |
65 | 64 | ||
66 | async_serialize_end(); |
65 | async_serialize_end(); |
67 | } |
66 | } |
68 | 67 | ||
69 | int main(int argc, char *argv[]) |
68 | int main(int argc, char *argv[]) |
70 | { |
69 | { |
71 | console_wait(); |
- | |
72 | - | ||
73 | count_t klog_pages = sysinfo_value("klog.pages"); |
70 | size_t klog_pages = sysinfo_value("klog.pages"); |
74 | size_t klog_size = klog_pages * PAGE_SIZE; |
71 | size_t klog_size = klog_pages * PAGE_SIZE; |
75 | klog_length = klog_size / sizeof(wchar_t); |
72 | klog_length = klog_size / sizeof(wchar_t); |
76 | 73 | ||
77 | klog = (wchar_t *) as_get_mappable_page(klog_pages); |
74 | klog = (wchar_t *) as_get_mappable_page(klog_pages); |
78 | if (klog == NULL) { |
75 | if (klog == NULL) { |
79 | printf(NAME ": Error allocating memory area\n"); |
76 | printf(NAME ": Error allocating memory area\n"); |
80 | return -1; |
77 | return -1; |
81 | } |
78 | } |
82 | 79 | ||
83 | int res = ipc_share_in_start_1_0(PHONE_NS, (void *) klog, |
80 | int res = ipc_share_in_start_1_0(PHONE_NS, (void *) klog, |
84 | klog_size, SERVICE_MEM_KLOG); |
81 | klog_size, SERVICE_MEM_KLOG); |
85 | if (res != EOK) { |
82 | if (res != EOK) { |
86 | printf(NAME ": Error initializing memory area\n"); |
83 | printf(NAME ": Error initializing memory area\n"); |
87 | return -1; |
84 | return -1; |
88 | } |
85 | } |
89 | 86 | ||
90 | if (event_subscribe(EVENT_KLOG, 0) != EOK) { |
87 | if (event_subscribe(EVENT_KLOG, 0) != EOK) { |
91 | printf(NAME ": Error registering klog notifications\n"); |
88 | printf(NAME ": Error registering klog notifications\n"); |
92 | return -1; |
89 | return -1; |
93 | } |
90 | } |
94 | 91 | ||
95 | async_set_interrupt_received(interrupt_received); |
92 | async_set_interrupt_received(interrupt_received); |
96 | klog_update(); |
93 | klog_update(); |
97 | async_manager(); |
94 | async_manager(); |
98 | 95 | ||
99 | return 0; |
96 | return 0; |
100 | } |
97 | } |
101 | 98 | ||
102 | /** @} |
99 | /** @} |
103 | */ |
100 | */ |
104 | 101 |