Rev 4114 | Rev 4223 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
78 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
78 | jermar | 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 | |||
1888 | jermar | 29 | /** @addtogroup ia64 |
1702 | cejka | 30 | * @{ |
31 | */ |
||
32 | /** @file |
||
33 | */ |
||
34 | |||
78 | jermar | 35 | #include <arch/ski/ski.h> |
577 | palkovsky | 36 | #include <console/console.h> |
37 | #include <console/chardev.h> |
||
1507 | vana | 38 | #include <sysinfo/sysinfo.h> |
1942 | jermar | 39 | #include <arch/types.h> |
1945 | jermar | 40 | #include <proc/thread.h> |
1942 | jermar | 41 | #include <synch/spinlock.h> |
42 | #include <arch/asm.h> |
||
3661 | vana | 43 | #include <arch/drivers/kbd.h> |
4220 | decky | 44 | #include <string.h> |
4060 | jermar | 45 | #include <arch.h> |
78 | jermar | 46 | |
4114 | jermar | 47 | static indev_t skiin; /**< Ski input device. */ |
48 | static outdev_t skiout; /**< Ski output device. */ |
||
1942 | jermar | 49 | |
50 | static bool kbd_disabled; |
||
51 | |||
4220 | decky | 52 | static void ski_do_putchar(const wchar_t ch) |
53 | { |
||
54 | asm volatile ( |
||
55 | "mov r15 = %[cmd]\n" |
||
56 | "mov r32 = %[ch]\n" /* r32 is in0 */ |
||
57 | "break 0x80000\n" /* modifies r8 */ |
||
58 | : |
||
59 | : [cmd] "i" (SKI_PUTCHAR), [ch] "r" (ch) |
||
60 | : "r15", "in0", "r8" |
||
61 | ); |
||
62 | } |
||
63 | |||
79 | jermar | 64 | /** Display character on debug console |
65 | * |
||
66 | * Use SSC (Simulator System Call) to |
||
67 | * display character on debug console. |
||
68 | * |
||
583 | jermar | 69 | * @param d Character device. |
70 | * @param ch Character to be printed. |
||
79 | jermar | 71 | */ |
4220 | decky | 72 | static void ski_putchar(outdev_t *d, const wchar_t ch, bool silent) |
78 | jermar | 73 | { |
3844 | decky | 74 | if (!silent) { |
4220 | decky | 75 | if (ascii_check(ch)) { |
76 | if (ch == '\n') |
||
77 | ski_do_putchar('\r'); |
||
78 | |||
79 | ski_do_putchar(ch); |
||
80 | } else |
||
81 | ski_do_putchar(invalch); |
||
3844 | decky | 82 | } |
78 | jermar | 83 | } |
519 | vana | 84 | |
4114 | jermar | 85 | static indev_operations_t skiin_ops = { |
86 | .poll = NULL |
||
87 | }; |
||
88 | |||
89 | static outdev_operations_t skiout_ops = { |
||
4060 | jermar | 90 | .write = ski_putchar |
91 | }; |
||
92 | |||
523 | jermar | 93 | /** Ask debug console if a key was pressed. |
519 | vana | 94 | * |
95 | * Use SSC (Simulator System Call) to |
||
96 | * get character from debug console. |
||
523 | jermar | 97 | * |
98 | * This call is non-blocking. |
||
99 | * |
||
100 | * @return ASCII code of pressed key or 0 if no key pressed. |
||
519 | vana | 101 | */ |
3844 | decky | 102 | static int32_t ski_getchar(void) |
519 | vana | 103 | { |
1780 | jermar | 104 | uint64_t ch; |
519 | vana | 105 | |
2082 | decky | 106 | asm volatile ( |
1942 | jermar | 107 | "mov r15 = %1\n" |
519 | vana | 108 | "break 0x80000;;\n" /* modifies r8 */ |
1942 | jermar | 109 | "mov %0 = r8;;\n" |
519 | vana | 110 | |
584 | jermar | 111 | : "=r" (ch) |
112 | : "i" (SKI_GETCHAR) |
||
1942 | jermar | 113 | : "r15", "r8" |
519 | vana | 114 | ); |
115 | |||
1780 | jermar | 116 | return (int32_t) ch; |
519 | vana | 117 | } |
577 | palkovsky | 118 | |
119 | /** Ask keyboard if a key was pressed. */ |
||
1945 | jermar | 120 | static void poll_keyboard(void) |
577 | palkovsky | 121 | { |
122 | char ch; |
||
3880 | decky | 123 | |
4114 | jermar | 124 | if (kbd_disabled) |
577 | palkovsky | 125 | return; |
126 | ch = ski_getchar(); |
||
127 | if(ch == '\r') |
||
128 | ch = '\n'; |
||
4114 | jermar | 129 | if (ch) { |
130 | indev_push_character(&skiin, ch); |
||
1570 | vana | 131 | return; |
1942 | jermar | 132 | } |
577 | palkovsky | 133 | } |
134 | |||
4060 | jermar | 135 | #define POLL_INTERVAL 10000 /* 10 ms */ |
577 | palkovsky | 136 | |
4060 | jermar | 137 | /** Kernel thread for polling keyboard. */ |
138 | static void kkbdpoll(void *arg) |
||
577 | palkovsky | 139 | { |
4060 | jermar | 140 | while (1) { |
141 | if (!silent) { |
||
142 | poll_keyboard(); |
||
143 | } |
||
144 | thread_usleep(POLL_INTERVAL); |
||
145 | } |
||
577 | palkovsky | 146 | } |
147 | |||
148 | /** Initialize debug console |
||
149 | * |
||
150 | * Issue SSC (Simulator System Call) to |
||
151 | * to open debug console. |
||
152 | */ |
||
4114 | jermar | 153 | static void ski_init(void) |
577 | palkovsky | 154 | { |
4114 | jermar | 155 | static bool initialized; |
156 | |||
157 | if (initialized) |
||
158 | return; |
||
159 | |||
2082 | decky | 160 | asm volatile ( |
1942 | jermar | 161 | "mov r15 = %0\n" |
577 | palkovsky | 162 | "break 0x80000\n" |
163 | : |
||
164 | : "i" (SKI_INIT_CONSOLE) |
||
165 | : "r15", "r8" |
||
166 | ); |
||
4114 | jermar | 167 | |
168 | initialized = true; |
||
169 | } |
||
577 | palkovsky | 170 | |
4114 | jermar | 171 | indev_t *skiin_init(void) |
172 | { |
||
173 | ski_init(); |
||
1507 | vana | 174 | |
4114 | jermar | 175 | indev_initialize("skiin", &skiin, &skiin_ops); |
4060 | jermar | 176 | thread_t *t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
4114 | jermar | 177 | if (t) |
178 | thread_ready(t); |
||
179 | else |
||
180 | return NULL; |
||
1942 | jermar | 181 | |
182 | sysinfo_set_item_val("kbd", NULL, true); |
||
3657 | vana | 183 | sysinfo_set_item_val("kbd.type", NULL, KBD_SKI); |
3718 | svoboda | 184 | |
4114 | jermar | 185 | return &skiin; |
186 | } |
||
187 | |||
188 | |||
189 | void skiout_init(void) |
||
190 | { |
||
191 | ski_init(); |
||
192 | |||
193 | outdev_initialize("skiout", &skiout, &skiout_ops); |
||
194 | stdout = &skiout; |
||
195 | |||
3718 | svoboda | 196 | sysinfo_set_item_val("fb", NULL, false); |
1507 | vana | 197 | } |
1702 | cejka | 198 | |
1942 | jermar | 199 | void ski_kbd_grab(void) |
200 | { |
||
4060 | jermar | 201 | kbd_disabled = true; |
1942 | jermar | 202 | } |
203 | |||
204 | void ski_kbd_release(void) |
||
205 | { |
||
4060 | jermar | 206 | kbd_disabled = false; |
1942 | jermar | 207 | } |
208 | |||
1888 | jermar | 209 | /** @} |
1702 | cejka | 210 | */ |