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1465 | cejka | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Josef Cejka |
3 | * Copyright (c) 2006 Jakub Vana |
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1465 | cejka | 4 | * All rights reserved. |
5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * - Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * - Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * - The name of the author may not be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
1719 | decky | 30 | /** @addtogroup libc |
1653 | cejka | 31 | * @{ |
32 | */ |
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33 | /** @file |
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34 | */ |
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1465 | cejka | 35 | |
1363 | vana | 36 | #include <io/io.h> |
37 | #include <io/stream.h> |
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38 | #include <string.h> |
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39 | #include <malloc.h> |
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40 | #include <libc.h> |
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41 | #include <ipc/ipc.h> |
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42 | #include <ipc/ns.h> |
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43 | #include <ipc/fb.h> |
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44 | #include <ipc/services.h> |
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3747 | svoboda | 45 | #include <ipc/console.h> |
3905 | svoboda | 46 | #include <kbd/kbd.h> |
1465 | cejka | 47 | #include <unistd.h> |
1519 | palkovsky | 48 | #include <async.h> |
2541 | jermar | 49 | #include <sys/types.h> |
1363 | vana | 50 | |
1519 | palkovsky | 51 | static int console_phone = -1; |
1363 | vana | 52 | |
2670 | jermar | 53 | ssize_t write_stderr(const void *buf, size_t count) |
1363 | vana | 54 | { |
1451 | cejka | 55 | return count; |
56 | } |
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57 | |||
2670 | jermar | 58 | ssize_t read_stdin(void *buf, size_t count) |
1451 | cejka | 59 | { |
3075 | decky | 60 | open_console(); |
61 | if (console_phone >= 0) { |
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3905 | svoboda | 62 | kbd_event_t ev; |
63 | int rc; |
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3075 | decky | 64 | size_t i = 0; |
65 | |||
66 | while (i < count) { |
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3905 | svoboda | 67 | do { |
68 | rc = kbd_get_event(&ev); |
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69 | if (rc < 0) return -1; |
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3923 | svoboda | 70 | } while (ev.c == 0 || ev.type == KE_RELEASE); |
3905 | svoboda | 71 | |
72 | ((char *) buf)[i++] = ev.c; |
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1465 | cejka | 73 | } |
3075 | decky | 74 | return i; |
3117 | svoboda | 75 | } else { |
76 | return -1; |
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1465 | cejka | 77 | } |
1363 | vana | 78 | } |
1465 | cejka | 79 | |
2670 | jermar | 80 | ssize_t write_stdout(const void *buf, size_t count) |
1363 | vana | 81 | { |
3075 | decky | 82 | open_console(); |
83 | if (console_phone >= 0) { |
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84 | int i; |
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1363 | vana | 85 | |
3075 | decky | 86 | for (i = 0; i < count; i++) |
87 | async_msg_1(console_phone, CONSOLE_PUTCHAR, |
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88 | ((const char *) buf)[i]); |
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89 | |||
90 | return count; |
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91 | } else |
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3112 | decky | 92 | return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, count); |
1363 | vana | 93 | } |
94 | |||
3075 | decky | 95 | void open_console(void) |
1363 | vana | 96 | { |
1451 | cejka | 97 | if (console_phone < 0) { |
3075 | decky | 98 | int phone = ipc_connect_me_to(PHONE_NS, SERVICE_CONSOLE, 0, 0); |
99 | if (phone >= 0) |
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100 | console_phone = phone; |
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1363 | vana | 101 | } |
1451 | cejka | 102 | } |
103 | |||
3222 | svoboda | 104 | void close_console(void) |
105 | { |
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106 | if (console_phone >= 0) { |
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107 | if (ipc_hangup(console_phone) == 0) { |
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108 | console_phone = -1; |
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109 | } |
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110 | } |
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111 | } |
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112 | |||
3112 | decky | 113 | void klog_update(void) |
114 | { |
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115 | (void) __SYSCALL3(SYS_KLOG, 1, NULL, 0); |
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116 | } |
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117 | |||
4002 | decky | 118 | int get_console_phone(void) |
1508 | vana | 119 | { |
4002 | decky | 120 | if (console_phone < 0) |
121 | console_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_CONSOLE, 0, 0); |
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122 | |||
2670 | jermar | 123 | return console_phone; |
1508 | vana | 124 | } |
125 | |||
4002 | decky | 126 | void console_wait(void) |
127 | { |
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128 | while (console_phone < 0) |
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129 | get_console_phone(); |
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130 | } |
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131 | |||
1719 | decky | 132 | /** @} |
1653 | cejka | 133 | */ |