WebSVN – HelenOS – Diff – /branches/network/kernel/arch/ia64/src/ski/ski.c


/*
 * Copyright (c) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup ia64
 * @{
 */
/** @file
 */
 
#include <arch/ski/ski.h>
#include <console/console.h>
#include <console/chardev.h>
#include <sysinfo/sysinfo.h>
#include <arch/types.h>
#include <proc/thread.h>
#include <synch/spinlock.h>
#include <arch/asm.h>
#include <arch/drivers/kbd.h>
#include <string.h>
#include <arch.h>
 
static indev_t skiin;       /**< Ski input device. */
static outdev_t skiout;     /**< Ski output device. */
 
static bool kbd_disabled;
 
static void ski_do_putchar(const wchar_t ch)
{
    asm volatile (
        "mov r15 = %[cmd]\n"
        "mov r32 = %[ch]\n"   /* r32 is in0 */
        "break 0x80000\n"  /* modifies r8 */
        :
        : [cmd] "i" (SKI_PUTCHAR), [ch] "r" (ch)
        : "r15", "in0", "r8"
    );
}
 
/** Display character on debug console
 *
 * Use SSC (Simulator System Call) to
 * display character on debug console.
 *
 * @param d Character device.
 * @param ch Character to be printed.
 */
static void ski_putchar(outdev_t *d, const wchar_t ch, bool silent)
{
    if (!silent) {
        if (ascii_check(ch)) {
            if (ch == '\n')
 
                ski_do_putchar('\r');
           
            ski_do_putchar(ch);
 
        } else
 
 
            ski_do_putchar(SPECIAL);
    }
}
 
static indev_operations_t skiin_ops = {
    .poll = NULL
};
 
static outdev_operations_t skiout_ops = {
    .write = ski_putchar
};
 
/** Ask debug console if a key was pressed.
 *
 * Use SSC (Simulator System Call) to
 * get character from debug console.
 *
 * This call is non-blocking.
 *
 * @return ASCII code of pressed key or 0 if no key pressed.
 */
static int32_t ski_getchar(void)
{
    uint64_t ch;
   
    asm volatile (
        "mov r15 = %1\n"
        "break 0x80000;;\n" /* modifies r8 */
        "mov %0 = r8;;\n"      
 
        : "=r" (ch)
        : "i" (SKI_GETCHAR)
        : "r15", "r8"
    );
 
    return (int32_t) ch;
}
 
/** Ask keyboard if a key was pressed. */
static void poll_keyboard(void)
{
    char ch;
   
    if (kbd_disabled)
        return;
    ch = ski_getchar();
    if(ch == '\r')
        ch = '\n';
    if (ch) {
        indev_push_character(&skiin, ch);
        return;
    }
}
 
#define POLL_INTERVAL           10000           /* 10 ms */
 
/** Kernel thread for polling keyboard. */
static void kkbdpoll(void *arg)
{
    while (1) {
        if (!silent) {
            poll_keyboard();
        }
        thread_usleep(POLL_INTERVAL);
    }
}
 
/** Initialize debug console
 *
 * Issue SSC (Simulator System Call) to
 * to open debug console.
 */
static void ski_init(void)
{
    static bool initialized;
 
    if (initialized)
        return;
   
    asm volatile (
        "mov r15 = %0\n"
        "break 0x80000\n"
        :
        : "i" (SKI_INIT_CONSOLE)
        : "r15", "r8"
    );
   
    initialized = true;
}
 
indev_t *skiin_init(void)
{
    ski_init();
 
    indev_initialize("skiin", &skiin, &skiin_ops);
    thread_t *t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
    if (t)
        thread_ready(t);
    else
        return NULL;
 
    sysinfo_set_item_val("kbd", NULL, true);
    sysinfo_set_item_val("kbd.type", NULL, KBD_SKI);
 
    return &skiin;
}
 
 
void skiout_init(void)
{
    ski_init();
 
    outdev_initialize("skiout", &skiout, &skiout_ops);
    stdout = &skiout;
 
    sysinfo_set_item_val("fb", NULL, false);
}
 
void ski_kbd_grab(void)
{
    kbd_disabled = true;
}
 
void ski_kbd_release(void)
{
    kbd_disabled = false;
}
 
/** @}
 */
 

Rev 4153	Rev 4263
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/ski/ski.h>	35	#include <arch/ski/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 <arch.h>	45	#include <arch.h>
45		46
46	static indev_t skiin; /*< Ski input device. /	47	static indev_t skiin; /*< Ski input device. /
47	static outdev_t skiout; /*< Ski output device. /	48	static outdev_t skiout; /*< Ski output device. /
48		49
49	static bool kbd_disabled;	50	static bool kbd_disabled;
50		51
-		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
51	/** Display character on debug console	64	/** Display character on debug console
52	*	65	*
53	* Use SSC (Simulator System Call) to	66	* Use SSC (Simulator System Call) to
54	* display character on debug console.	67	* display character on debug console.
55	*	68	*
56	* @param d Character device.	69	* @param d Character device.
57	* @param ch Character to be printed.	70	* @param ch Character to be printed.
58	*/	71	*/
59	static void ski_putchar(outdev_t *d, const char ch, bool silent)	72	static void ski_putchar(outdev_t *d, const wchar_t ch, bool silent)
60	{	73	{
61	if (!silent) {	74	if (!silent) {
62	asm volatile (	75	if (ascii_check(ch)) {
63	"mov r15 = %0\n"	76	if (ch == '\n')
64	"mov r32 = %1\n" /* r32 is in0 */	-
65	"break 0x80000\n" /* modifies r8 */	77	ski_do_putchar('\r');
66	:	78
67	: "i" (SKI_PUTCHAR), "r" (ch)	79	ski_do_putchar(ch);
68	: "r15", "in0", "r8"	-
69	);	80	} else
70		-
71	if (ch == '\n')	-
72	ski_putchar(d, '\r', false);	81	ski_do_putchar(SPECIAL);
73	}	82	}
74	}	83	}
75		84
76	static indev_operations_t skiin_ops = {	85	static indev_operations_t skiin_ops = {
77	.poll = NULL	86	.poll = NULL
78	};	87	};
79		88
80	static outdev_operations_t skiout_ops = {	89	static outdev_operations_t skiout_ops = {
81	.write = ski_putchar	90	.write = ski_putchar
82	};	91	};
83		92
84	/** Ask debug console if a key was pressed.	93	/** Ask debug console if a key was pressed.
85	*	94	*
86	* Use SSC (Simulator System Call) to	95	* Use SSC (Simulator System Call) to
87	* get character from debug console.	96	* get character from debug console.
88	*	97	*
89	* This call is non-blocking.	98	* This call is non-blocking.
90	*	99	*
91	* @return ASCII code of pressed key or 0 if no key pressed.	100	* @return ASCII code of pressed key or 0 if no key pressed.
92	*/	101	*/
93	static int32_t ski_getchar(void)	102	static int32_t ski_getchar(void)
94	{	103	{
95	uint64_t ch;	104	uint64_t ch;
96		105
97	asm volatile (	106	asm volatile (
98	"mov r15 = %1\n"	107	"mov r15 = %1\n"
99	"break 0x80000;;\n" /* modifies r8 */	108	"break 0x80000;;\n" /* modifies r8 */
100	"mov %0 = r8;;\n"	109	"mov %0 = r8;;\n"
101		110
102	: "=r" (ch)	111	: "=r" (ch)
103	: "i" (SKI_GETCHAR)	112	: "i" (SKI_GETCHAR)
104	: "r15", "r8"	113	: "r15", "r8"
105	);	114	);
106		115
107	return (int32_t) ch;	116	return (int32_t) ch;
108	}	117	}
109		118
110	/** Ask keyboard if a key was pressed. */	119	/** Ask keyboard if a key was pressed. */
111	static void poll_keyboard(void)	120	static void poll_keyboard(void)
112	{	121	{
113	char ch;	122	char ch;
114		123
115	if (kbd_disabled)	124	if (kbd_disabled)
116	return;	125	return;
117	ch = ski_getchar();	126	ch = ski_getchar();
118	if(ch == '\r')	127	if(ch == '\r')
119	ch = '\n';	128	ch = '\n';
120	if (ch) {	129	if (ch) {
121	indev_push_character(&skiin, ch);	130	indev_push_character(&skiin, ch);
122	return;	131	return;
123	}	132	}
124	}	133	}
125		134
126	#define POLL_INTERVAL 10000 /* 10 ms */	135	#define POLL_INTERVAL 10000 /* 10 ms */
127		136
128	/** Kernel thread for polling keyboard. */	137	/** Kernel thread for polling keyboard. */
129	static void kkbdpoll(void *arg)	138	static void kkbdpoll(void *arg)
130	{	139	{
131	while (1) {	140	while (1) {
132	if (!silent) {	141	if (!silent) {
133	poll_keyboard();	142	poll_keyboard();
134	}	143	}
135	thread_usleep(POLL_INTERVAL);	144	thread_usleep(POLL_INTERVAL);
136	}	145	}
137	}	146	}
138		147
139	/** Initialize debug console	148	/** Initialize debug console
140	*	149	*
141	* Issue SSC (Simulator System Call) to	150	* Issue SSC (Simulator System Call) to
142	* to open debug console.	151	* to open debug console.
143	*/	152	*/
144	static void ski_init(void)	153	static void ski_init(void)
145	{	154	{
146	static bool initialized;	155	static bool initialized;
147		156
148	if (initialized)	157	if (initialized)
149	return;	158	return;
150		159
151	asm volatile (	160	asm volatile (
152	"mov r15 = %0\n"	161	"mov r15 = %0\n"
153	"break 0x80000\n"	162	"break 0x80000\n"
154	:	163	:
155	: "i" (SKI_INIT_CONSOLE)	164	: "i" (SKI_INIT_CONSOLE)
156	: "r15", "r8"	165	: "r15", "r8"
157	);	166	);
158		167
159	initialized = true;	168	initialized = true;
160	}	169	}
161		170
162	indev_t *skiin_init(void)	171	indev_t *skiin_init(void)
163	{	172	{
164	ski_init();	173	ski_init();
165		174
166	indev_initialize("skiin", &skiin, &skiin_ops);	175	indev_initialize("skiin", &skiin, &skiin_ops);
167	thread_t *t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);	176	thread_t *t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
168	if (t)	177	if (t)
169	thread_ready(t);	178	thread_ready(t);
170	else	179	else
171	return NULL;	180	return NULL;
172		181
173	sysinfo_set_item_val("kbd", NULL, true);	182	sysinfo_set_item_val("kbd", NULL, true);
174	sysinfo_set_item_val("kbd.type", NULL, KBD_SKI);	183	sysinfo_set_item_val("kbd.type", NULL, KBD_SKI);
175		184
176	return &skiin;	185	return &skiin;
177	}	186	}
178		187
179		188
180	void skiout_init(void)	189	void skiout_init(void)
181	{	190	{
182	ski_init();	191	ski_init();
183		192
184	outdev_initialize("skiout", &skiout, &skiout_ops);	193	outdev_initialize("skiout", &skiout, &skiout_ops);
185	stdout = &skiout;	194	stdout = &skiout;
186		195
187	sysinfo_set_item_val("fb", NULL, false);	196	sysinfo_set_item_val("fb", NULL, false);
188	}	197	}
189		198
190	void ski_kbd_grab(void)	199	void ski_kbd_grab(void)
191	{	200	{
192	kbd_disabled = true;	201	kbd_disabled = true;
193	}	202	}
194		203
195	void ski_kbd_release(void)	204	void ski_kbd_release(void)
196	{	205	{
197	kbd_disabled = false;	206	kbd_disabled = false;
198	}	207	}
199		208
200	/** @}	209	/** @}
201	*/	210	*/
202		211

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(root)/branches/network/kernel/arch/ia64/src/ski/ski.c – Rev 4153 → 4263