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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
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 ia64 |
29 | /** @addtogroup ia64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/drivers/ski.h> |
35 | #include <arch/drivers/ski.h> |
36 | #include <console/console.h> |
36 | #include <console/console.h> |
37 | #include <console/chardev.h> |
37 | #include <console/chardev.h> |
38 | #include <sysinfo/sysinfo.h> |
38 | #include <sysinfo/sysinfo.h> |
39 | #include <arch/types.h> |
39 | #include <arch/types.h> |
40 | #include <proc/thread.h> |
40 | #include <proc/thread.h> |
41 | #include <synch/spinlock.h> |
41 | #include <synch/spinlock.h> |
42 | #include <arch/asm.h> |
42 | #include <arch/asm.h> |
43 | #include <arch/drivers/kbd.h> |
43 | #include <arch/drivers/kbd.h> |
44 | #include <string.h> |
44 | #include <string.h> |
45 | #include <arch.h> |
45 | #include <arch.h> |
46 | 46 | ||
47 | #define POLL_INTERVAL 10000 /* 10 ms */ |
47 | #define POLL_INTERVAL 10000 /* 10 ms */ |
48 | 48 | ||
49 | #define SKI_INIT_CONSOLE 20 |
49 | #define SKI_INIT_CONSOLE 20 |
50 | #define SKI_GETCHAR 21 |
50 | #define SKI_GETCHAR 21 |
51 | #define SKI_PUTCHAR 31 |
51 | #define SKI_PUTCHAR 31 |
52 | 52 | ||
53 | static void ski_putchar(outdev_t *, const wchar_t, bool); |
53 | static void ski_putchar(outdev_t *, const wchar_t, bool); |
54 | 54 | ||
55 | static outdev_operations_t skiout_ops = { |
55 | static outdev_operations_t skiout_ops = { |
56 | .write = ski_putchar |
56 | .write = ski_putchar |
57 | }; |
57 | }; |
58 | 58 | ||
59 | static outdev_t skiout; /**< Ski output device. */ |
59 | static outdev_t skiout; /**< Ski output device. */ |
60 | static bool initialized = false; |
60 | static bool initialized = false; |
61 | static bool kbd_disabled = false; |
61 | static bool kbd_disabled = false; |
62 | 62 | ||
63 | /** Initialize debug console |
63 | /** Initialize debug console |
64 | * |
64 | * |
65 | * Issue SSC (Simulator System Call) to |
65 | * Issue SSC (Simulator System Call) to |
66 | * to open debug console. |
66 | * to open debug console. |
67 | * |
67 | * |
68 | */ |
68 | */ |
69 | static void ski_init(void) |
69 | static void ski_init(void) |
70 | { |
70 | { |
71 | if (initialized) |
71 | if (initialized) |
72 | return; |
72 | return; |
73 | 73 | ||
74 | asm volatile ( |
74 | asm volatile ( |
75 | "mov r15 = %0\n" |
75 | "mov r15 = %0\n" |
76 | "break 0x80000\n" |
76 | "break 0x80000\n" |
77 | : |
77 | : |
78 | : "i" (SKI_INIT_CONSOLE) |
78 | : "i" (SKI_INIT_CONSOLE) |
79 | : "r15", "r8" |
79 | : "r15", "r8" |
80 | ); |
80 | ); |
81 | 81 | ||
82 | initialized = true; |
82 | initialized = true; |
83 | } |
83 | } |
84 | 84 | ||
85 | static void ski_do_putchar(const wchar_t ch) |
85 | static void ski_do_putchar(const wchar_t ch) |
86 | { |
86 | { |
87 | asm volatile ( |
87 | asm volatile ( |
88 | "mov r15 = %[cmd]\n" |
88 | "mov r15 = %[cmd]\n" |
89 | "mov r32 = %[ch]\n" /* r32 is in0 */ |
89 | "mov r32 = %[ch]\n" /* r32 is in0 */ |
90 | "break 0x80000\n" /* modifies r8 */ |
90 | "break 0x80000\n" /* modifies r8 */ |
91 | : |
91 | : |
92 | : [cmd] "i" (SKI_PUTCHAR), [ch] "r" (ch) |
92 | : [cmd] "i" (SKI_PUTCHAR), [ch] "r" (ch) |
93 | : "r15", "in0", "r8" |
93 | : "r15", "in0", "r8" |
94 | ); |
94 | ); |
95 | } |
95 | } |
96 | 96 | ||
97 | /** Display character on debug console |
97 | /** Display character on debug console |
98 | * |
98 | * |
99 | * Use SSC (Simulator System Call) to |
99 | * Use SSC (Simulator System Call) to |
100 | * display character on debug console. |
100 | * display character on debug console. |
101 | * |
101 | * |
102 | * @param dev Character device. |
102 | * @param dev Character device. |
103 | * @param ch Character to be printed. |
103 | * @param ch Character to be printed. |
104 | * @param silent Whether the output should be silenced. |
104 | * @param silent Whether the output should be silenced. |
105 | * |
105 | * |
106 | */ |
106 | */ |
107 | static void ski_putchar(outdev_t *dev, const wchar_t ch, bool silent) |
107 | static void ski_putchar(outdev_t *dev, const wchar_t ch, bool silent) |
108 | { |
108 | { |
109 | if (!silent) { |
109 | if (!silent) { |
110 | if (ascii_check(ch)) { |
110 | if (ascii_check(ch)) { |
111 | if (ch == '\n') |
111 | if (ch == '\n') |
112 | ski_do_putchar('\r'); |
112 | ski_do_putchar('\r'); |
113 | 113 | ||
114 | ski_do_putchar(ch); |
114 | ski_do_putchar(ch); |
115 | } else |
115 | } else |
116 | ski_do_putchar(U_SPECIAL); |
116 | ski_do_putchar(U_SPECIAL); |
117 | } |
117 | } |
118 | } |
118 | } |
119 | 119 | ||
120 | void skiout_init(void) |
120 | void skiout_init(void) |
121 | { |
121 | { |
122 | ski_init(); |
122 | ski_init(); |
123 | 123 | ||
124 | outdev_initialize("skiout", &skiout, &skiout_ops); |
124 | outdev_initialize("skiout", &skiout, &skiout_ops); |
125 | stdout = &skiout; |
125 | stdout = &skiout; |
126 | 126 | ||
127 | sysinfo_set_item_val("fb", NULL, false); |
127 | sysinfo_set_item_val("fb", NULL, false); |
128 | } |
128 | } |
129 | 129 | ||
130 | /** Ask debug console if a key was pressed. |
130 | /** Ask debug console if a key was pressed. |
131 | * |
131 | * |
132 | * Use SSC (Simulator System Call) to |
132 | * Use SSC (Simulator System Call) to |
133 | * get character from debug console. |
133 | * get character from debug console. |
134 | * |
134 | * |
135 | * This call is non-blocking. |
135 | * This call is non-blocking. |
136 | * |
136 | * |
137 | * @return ASCII code of pressed key or 0 if no key pressed. |
137 | * @return ASCII code of pressed key or 0 if no key pressed. |
138 | * |
138 | * |
139 | */ |
139 | */ |
140 | static wchar_t ski_getchar(void) |
140 | static wchar_t ski_getchar(void) |
141 | { |
141 | { |
142 | uint64_t ch; |
142 | uint64_t ch; |
143 | 143 | ||
144 | asm volatile ( |
144 | asm volatile ( |
145 | "mov r15 = %1\n" |
145 | "mov r15 = %1\n" |
146 | "break 0x80000;;\n" /* modifies r8 */ |
146 | "break 0x80000;;\n" /* modifies r8 */ |
147 | "mov %0 = r8;;\n" |
147 | "mov %0 = r8;;\n" |
148 | 148 | ||
149 | : "=r" (ch) |
149 | : "=r" (ch) |
150 | : "i" (SKI_GETCHAR) |
150 | : "i" (SKI_GETCHAR) |
151 | : "r15", "r8" |
151 | : "r15", "r8" |
152 | ); |
152 | ); |
153 | 153 | ||
154 | return (wchar_t) ch; |
154 | return (wchar_t) ch; |
155 | } |
155 | } |
156 | 156 | ||
157 | /** Ask keyboard if a key was pressed. */ |
157 | /** Ask keyboard if a key was pressed. */ |
158 | static void poll_keyboard(ski_instance_t *instance) |
158 | static void poll_keyboard(ski_instance_t *instance) |
159 | { |
159 | { |
160 | if (kbd_disabled) |
160 | if (kbd_disabled) |
161 | return; |
161 | return; |
162 | 162 | ||
163 | wchar_t ch = ski_getchar(); |
163 | wchar_t ch = ski_getchar(); |
164 | 164 | ||
165 | if (ch != 0) |
165 | if (ch != 0) |
166 | indev_push_character(instance->srlnin, ch); |
166 | indev_push_character(instance->srlnin, ch); |
167 | } |
167 | } |
168 | 168 | ||
169 | /** Kernel thread for polling keyboard. */ |
169 | /** Kernel thread for polling keyboard. */ |
170 | static void kskipoll(void *arg) |
170 | static void kskipoll(void *arg) |
171 | { |
171 | { |
172 | ski_instance_t *instance = (ski_instance_t *) arg; |
172 | ski_instance_t *instance = (ski_instance_t *) arg; |
173 | 173 | ||
174 | while (true) { |
174 | while (true) { |
175 | if (!silent) |
175 | if (!silent) |
176 | poll_keyboard(instance); |
176 | poll_keyboard(instance); |
177 | 177 | ||
178 | thread_usleep(POLL_INTERVAL); |
178 | thread_usleep(POLL_INTERVAL); |
179 | } |
179 | } |
180 | } |
180 | } |
181 | 181 | ||
182 | ski_instance_t *skiin_init(void) |
182 | ski_instance_t *skiin_init(void) |
183 | { |
183 | { |
184 | ski_init(); |
184 | ski_init(); |
185 | 185 | ||
186 | ski_instance_t *instance = |
186 | ski_instance_t *instance = |
187 | malloc(sizeof(ski_instance_t), FRAME_ATOMIC); |
187 | malloc(sizeof(ski_instance_t), FRAME_ATOMIC); |
188 | 188 | ||
189 | if (instance) { |
189 | if (instance) { |
190 | instance->thread = thread_create(kskipoll, instance, TASK, 0, |
190 | instance->thread = thread_create(kskipoll, instance, TASK, 0, |
191 | "kskipoll", true); |
191 | "kskipoll", true); |
192 | 192 | ||
193 | if (!instance->thread) { |
193 | if (!instance->thread) { |
194 | free(instance); |
194 | free(instance); |
195 | return NULL; |
195 | return NULL; |
196 | } |
196 | } |
197 | 197 | ||
198 | instance->srlnin = NULL; |
198 | instance->srlnin = NULL; |
199 | } |
199 | } |
200 | 200 | ||
201 | return instance; |
201 | return instance; |
202 | } |
202 | } |
203 | 203 | ||
204 | void skiin_wire(ski_instance_t *instance, indev_t *srlnin) |
204 | void skiin_wire(ski_instance_t *instance, indev_t *srlnin) |
205 | { |
205 | { |
206 | ASSERT(instance); |
206 | ASSERT(instance); |
207 | ASSERT(srlnin); |
207 | ASSERT(srlnin); |
208 | 208 | ||
209 | instance->srlnin = srlnin; |
209 | instance->srlnin = srlnin; |
210 | thread_ready(instance->thread); |
210 | thread_ready(instance->thread); |
211 | 211 | ||
212 | sysinfo_set_item_val("kbd", NULL, true); |
212 | sysinfo_set_item_val("kbd", NULL, true); |
213 | sysinfo_set_item_val("kbd.type", NULL, KBD_SKI); |
213 | sysinfo_set_item_val("kbd.type", NULL, KBD_SKI); |
214 | } |
214 | } |
215 | 215 | ||
216 | void ski_kbd_grab(void) |
216 | void ski_kbd_grab(void) |
217 | { |
217 | { |
218 | kbd_disabled = true; |
218 | kbd_disabled = true; |
219 | } |
219 | } |
220 | 220 | ||
221 | void ski_kbd_release(void) |
221 | void ski_kbd_release(void) |
222 | { |
222 | { |
223 | kbd_disabled = false; |
223 | kbd_disabled = false; |
224 | } |
224 | } |
225 | 225 | ||
226 | /** @} |
226 | /** @} |
227 | */ |
227 | */ |
228 | 228 |