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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Josef Cejka |
2 | * Copyright (c) 2006 Josef Cejka |
3 | * Copyright (c) 2006 Jakub Vana |
3 | * Copyright (c) 2006 Jakub Vana |
4 | * All rights reserved. |
4 | * All rights reserved. |
5 | * |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
8 | * are met: |
9 | * |
9 | * |
10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
15 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
16 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | 29 | ||
30 | /** @addtogroup libc |
30 | /** @addtogroup libc |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** @file |
33 | /** @file |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #include <io/io.h> |
36 | #include <io/io.h> |
37 | #include <io/stream.h> |
37 | #include <io/stream.h> |
38 | #include <string.h> |
38 | #include <string.h> |
39 | #include <malloc.h> |
39 | #include <malloc.h> |
40 | #include <libc.h> |
40 | #include <libc.h> |
41 | #include <ipc/ipc.h> |
41 | #include <ipc/ipc.h> |
42 | #include <ipc/ns.h> |
42 | #include <ipc/ns.h> |
43 | #include <ipc/fb.h> |
43 | #include <ipc/fb.h> |
44 | #include <ipc/services.h> |
44 | #include <ipc/services.h> |
45 | #include <console.h> |
45 | #include <ipc/console.h> |
46 | #include <unistd.h> |
46 | #include <unistd.h> |
47 | #include <async.h> |
47 | #include <async.h> |
48 | #include <sys/types.h> |
48 | #include <sys/types.h> |
49 | 49 | ||
50 | static int console_phone = -1; |
50 | static int console_phone = -1; |
51 | 51 | ||
52 | ssize_t write_stderr(const void *buf, size_t count) |
52 | ssize_t write_stderr(const void *buf, size_t count) |
53 | { |
53 | { |
54 | return count; |
54 | return count; |
55 | } |
55 | } |
56 | 56 | ||
57 | ssize_t read_stdin(void *buf, size_t count) |
57 | ssize_t read_stdin(void *buf, size_t count) |
58 | { |
58 | { |
59 | open_console(); |
59 | open_console(); |
60 | if (console_phone >= 0) { |
60 | if (console_phone >= 0) { |
61 | ipcarg_t r0, r1; |
61 | ipcarg_t r0, r1; |
62 | size_t i = 0; |
62 | size_t i = 0; |
63 | 63 | ||
64 | while (i < count) { |
64 | while (i < count) { |
65 | if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0, &r1) < 0) |
65 | if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0, &r1) < 0) |
66 | return -1; |
66 | return -1; |
67 | ((char *) buf)[i++] = r0; |
67 | ((char *) buf)[i++] = r0; |
68 | } |
68 | } |
69 | return i; |
69 | return i; |
70 | } else { |
70 | } else { |
71 | return -1; |
71 | return -1; |
72 | } |
72 | } |
73 | } |
73 | } |
74 | 74 | ||
75 | ssize_t write_stdout(const void *buf, size_t count) |
75 | ssize_t write_stdout(const void *buf, size_t count) |
76 | { |
76 | { |
77 | open_console(); |
77 | open_console(); |
78 | if (console_phone >= 0) { |
78 | if (console_phone >= 0) { |
79 | int i; |
79 | int i; |
80 | 80 | ||
81 | for (i = 0; i < count; i++) |
81 | for (i = 0; i < count; i++) |
82 | async_msg_1(console_phone, CONSOLE_PUTCHAR, |
82 | async_msg_1(console_phone, CONSOLE_PUTCHAR, |
83 | ((const char *) buf)[i]); |
83 | ((const char *) buf)[i]); |
84 | 84 | ||
85 | return count; |
85 | return count; |
86 | } else |
86 | } else |
87 | return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, count); |
87 | return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, count); |
88 | } |
88 | } |
89 | 89 | ||
90 | void open_console(void) |
90 | void open_console(void) |
91 | { |
91 | { |
92 | if (console_phone < 0) { |
92 | if (console_phone < 0) { |
93 | int phone = ipc_connect_me_to(PHONE_NS, SERVICE_CONSOLE, 0, 0); |
93 | int phone = ipc_connect_me_to(PHONE_NS, SERVICE_CONSOLE, 0, 0); |
94 | if (phone >= 0) |
94 | if (phone >= 0) |
95 | console_phone = phone; |
95 | console_phone = phone; |
96 | } |
96 | } |
97 | } |
97 | } |
98 | 98 | ||
99 | void close_console(void) |
99 | void close_console(void) |
100 | { |
100 | { |
101 | if (console_phone >= 0) { |
101 | if (console_phone >= 0) { |
102 | if (ipc_hangup(console_phone) == 0) { |
102 | if (ipc_hangup(console_phone) == 0) { |
103 | console_phone = -1; |
103 | console_phone = -1; |
104 | } |
104 | } |
105 | } |
105 | } |
106 | } |
106 | } |
107 | 107 | ||
108 | void klog_update(void) |
108 | void klog_update(void) |
109 | { |
109 | { |
110 | (void) __SYSCALL3(SYS_KLOG, 1, NULL, 0); |
110 | (void) __SYSCALL3(SYS_KLOG, 1, NULL, 0); |
111 | } |
111 | } |
112 | 112 | ||
113 | int get_cons_phone(void) |
113 | int get_cons_phone(void) |
114 | { |
114 | { |
115 | open_console(); |
115 | open_console(); |
116 | return console_phone; |
116 | return console_phone; |
117 | } |
117 | } |
118 | 118 | ||
119 | /** @} |
119 | /** @} |
120 | */ |
120 | */ |
121 | 121 |