WebSVN – HelenOS – Diff – /trunk/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 <arch/interrupt.h>
#include <sysinfo/sysinfo.h>
#include <arch/types.h>
#include <typedefs.h>
#include <ddi/device.h>
#include <ddi/irq.h>
#include <ipc/irq.h>
#include <proc/thread.h>
#include <synch/spinlock.h>
#include <arch/asm.h>
 
#define SKI_KBD_INR 0
 
static irq_t ski_kbd_irq;
static devno_t ski_kbd_devno;
 
chardev_t ski_console;
chardev_t ski_uconsole;
 
static bool kbd_disabled;
 
static void ski_putchar(chardev_t *d, const char ch);
static int32_t ski_getchar(void);
 
/** 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.
 */
void ski_putchar(chardev_t *d, const char ch)
{
    __asm__ volatile (
        "mov r15 = %0\n"
        "mov r32 = %1\n"    /* r32 is in0 */
        "break 0x80000\n"   /* modifies r8 */
        :
        : "i" (SKI_PUTCHAR), "r" (ch)
        : "r15", "in0", "r8"
    );
   
    if (ch == '\n')
        ski_putchar(d, '\r');
}
 
/** 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.
 */
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;
}
 
/**
 * This is a blocking wrapper for ski_getchar().
 * To be used when the kernel crashes.
 */
static char ski_getchar_blocking(chardev_t *d)
{
    int ch;
 
    while(!(ch = ski_getchar()))
        ;
    if(ch == '\r')
        ch = '\n';
    return (char) ch;
}
 
/** Ask keyboard if a key was pressed. */
static void poll_keyboard(void)
{
    char ch;
    static char last;
    ipl_t ipl;
 
    ipl = interrupts_disable();
 
    if (kbd_disabled) {
        interrupts_restore(ipl);
        return;
    }
       
    spinlock_lock(&ski_kbd_irq.lock);
 
    ch = ski_getchar();
    if(ch == '\r')
        ch = '\n';
    if (ch) {
        if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {
            chardev_push_character(&ski_uconsole, ch);
            ipc_irq_send_notif(&ski_kbd_irq);
        } else {
            chardev_push_character(&ski_console, ch);
        }  
        last = ch;
        spinlock_unlock(&ski_kbd_irq.lock);
        interrupts_restore(ipl);
        return;
    }
 
    if (last) {
        if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {
            chardev_push_character(&ski_uconsole, 0);
            ipc_irq_send_notif(&ski_kbd_irq);
        }
        last = 0;
    }
 
    spinlock_unlock(&ski_kbd_irq.lock);
    interrupts_restore(ipl);
}
 
/* Called from getc(). */
static void ski_kbd_enable(chardev_t *d)
{
    kbd_disabled = false;
}
 
/* Called from getc(). */
static void ski_kbd_disable(chardev_t *d)
{
    kbd_disabled = true;   
}
 
/** Decline to service hardware IRQ.
 *
 * This is only a virtual IRQ, so always decline.
 *
 * @return Always IRQ_DECLINE.
 */
static irq_ownership_t ski_kbd_claim(void)
{
    return IRQ_DECLINE;
}
 
static chardev_operations_t ski_ops = {
    .resume = ski_kbd_enable,
    .suspend = ski_kbd_disable,
    .write = ski_putchar,
    .read = ski_getchar_blocking
};
 
/** Initialize debug console
 *
 * Issue SSC (Simulator System Call) to
 * to open debug console.
 */
void ski_init_console(void)
{
    __asm__ volatile (
        "mov r15 = %0\n"
        "break 0x80000\n"
        :
        : "i" (SKI_INIT_CONSOLE)
        : "r15", "r8"
    );
 
    chardev_initialize("ski_console", &ski_console, &ski_ops);
    chardev_initialize("ski_uconsole", &ski_uconsole, &ski_ops);
    stdin = &ski_console;
    stdout = &ski_console;
 
    ski_kbd_devno = device_assign_devno();
   
    irq_initialize(&ski_kbd_irq);
    ski_kbd_irq.inr = SKI_KBD_INR;
    ski_kbd_irq.devno = ski_kbd_devno;
    ski_kbd_irq.claim = ski_kbd_claim;
    irq_register(&ski_kbd_irq);
 
    sysinfo_set_item_val("kbd", NULL, true);
    sysinfo_set_item_val("kbd.inr", NULL, SKI_KBD_INR);
    sysinfo_set_item_val("kbd.devno", NULL, ski_kbd_devno);
}
 
void ski_kbd_grab(void)
{
    ipl_t ipl = interrupts_disable();
    spinlock_lock(&ski_kbd_irq.lock);
    ski_kbd_irq.notif_cfg.notify = false;
    spinlock_unlock(&ski_kbd_irq.lock);
    interrupts_restore(ipl);
}
 
void ski_kbd_release(void)
{
    ipl_t ipl = interrupts_disable();
    spinlock_lock(&ski_kbd_irq.lock);
    if (ski_kbd_irq.notif_cfg.answerbox)
        ski_kbd_irq.notif_cfg.notify = true;
    spinlock_unlock(&ski_kbd_irq.lock);
    interrupts_restore(ipl);
}
 
 
#define POLL_INTERVAL       50000       /* 50 ms */
 
/** Kernel thread for polling keyboard. */
void kkbdpoll(void *arg)
{
    while (1) {
        poll_keyboard();
        thread_usleep(POLL_INTERVAL);
    }
}
 
/** @}
 */
 

Rev 1945	Rev 2071
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 <arch/interrupt.h>	38	#include <arch/interrupt.h>
39	#include <sysinfo/sysinfo.h>	39	#include <sysinfo/sysinfo.h>
40	#include <arch/types.h>	40	#include <arch/types.h>
41	#include <typedefs.h>	41	#include <typedefs.h>
42	#include <ddi/device.h>	42	#include <ddi/device.h>
43	#include <ddi/irq.h>	43	#include <ddi/irq.h>
44	#include <ipc/irq.h>	44	#include <ipc/irq.h>
45	#include <proc/thread.h>	45	#include <proc/thread.h>
46	#include <synch/spinlock.h>	46	#include <synch/spinlock.h>
47	#include <arch/asm.h>	47	#include <arch/asm.h>
48		48
49	#define SKI_KBD_INR 0	49	#define SKI_KBD_INR 0
50		50
51	static irq_t ski_kbd_irq;	51	static irq_t ski_kbd_irq;
52	static devno_t ski_kbd_devno;	52	static devno_t ski_kbd_devno;
53		53
54	chardev_t ski_console;	54	chardev_t ski_console;
55	chardev_t ski_uconsole;	55	chardev_t ski_uconsole;
56		56
57	static bool kbd_disabled;	57	static bool kbd_disabled;
58		58
59	static void ski_putchar(chardev_t *d, const char ch);	59	static void ski_putchar(chardev_t *d, const char ch);
60	static int32_t ski_getchar(void);	60	static int32_t ski_getchar(void);
61		61
62	/** Display character on debug console	62	/** Display character on debug console
63	*	63	*
64	* Use SSC (Simulator System Call) to	64	* Use SSC (Simulator System Call) to
65	* display character on debug console.	65	* display character on debug console.
66	*	66	*
67	* @param d Character device.	67	* @param d Character device.
68	* @param ch Character to be printed.	68	* @param ch Character to be printed.
69	*/	69	*/
70	void ski_putchar(chardev_t *d, const char ch)	70	void ski_putchar(chardev_t *d, const char ch)
71	{	71	{
72	__asm__ volatile (	72	__asm__ volatile (
73	"mov r15 = %0\n"	73	"mov r15 = %0\n"
74	"mov r32 = %1\n" /* r32 is in0 */	74	"mov r32 = %1\n" /* r32 is in0 */
75	"break 0x80000\n" /* modifies r8 */	75	"break 0x80000\n" /* modifies r8 */
76	:	76	:
77	: "i" (SKI_PUTCHAR), "r" (ch)	77	: "i" (SKI_PUTCHAR), "r" (ch)
78	: "r15", "in0", "r8"	78	: "r15", "in0", "r8"
79	);	79	);
80		80
81	if (ch == '\n')	81	if (ch == '\n')
82	ski_putchar(d, '\r');	82	ski_putchar(d, '\r');
83	}	83	}
84		84
85	/** Ask debug console if a key was pressed.	85	/** Ask debug console if a key was pressed.
86	*	86	*
87	* Use SSC (Simulator System Call) to	87	* Use SSC (Simulator System Call) to
88	* get character from debug console.	88	* get character from debug console.
89	*	89	*
90	* This call is non-blocking.	90	* This call is non-blocking.
91	*	91	*
92	* @return ASCII code of pressed key or 0 if no key pressed.	92	* @return ASCII code of pressed key or 0 if no key pressed.
93	*/	93	*/
94	int32_t ski_getchar(void)	94	int32_t ski_getchar(void)
95	{	95	{
96	uint64_t ch;	96	uint64_t ch;
97		97
98	__asm__ volatile (	98	__asm__ volatile (
99	"mov r15 = %1\n"	99	"mov r15 = %1\n"
100	"break 0x80000;;\n" /* modifies r8 */	100	"break 0x80000;;\n" /* modifies r8 */
101	"mov %0 = r8;;\n"	101	"mov %0 = r8;;\n"
102		102
103	: "=r" (ch)	103	: "=r" (ch)
104	: "i" (SKI_GETCHAR)	104	: "i" (SKI_GETCHAR)
105	: "r15", "r8"	105	: "r15", "r8"
106	);	106	);
107		107
108	return (int32_t) ch;	108	return (int32_t) ch;
109	}	109	}
110		110
111	/**	111	/**
112	* This is a blocking wrapper for ski_getchar().	112	* This is a blocking wrapper for ski_getchar().
113	* To be used when the kernel crashes.	113	* To be used when the kernel crashes.
114	*/	114	*/
115	static char ski_getchar_blocking(chardev_t *d)	115	static char ski_getchar_blocking(chardev_t *d)
116	{	116	{
117	int ch;	117	int ch;
118		118
119	while(!(ch = ski_getchar()))	119	while(!(ch = ski_getchar()))
120	;	120	;
121	if(ch == '\r')	121	if(ch == '\r')
122	ch = '\n';	122	ch = '\n';
123	return (char) ch;	123	return (char) ch;
124	}	124	}
125		125
126	/** Ask keyboard if a key was pressed. */	126	/** Ask keyboard if a key was pressed. */
127	static void poll_keyboard(void)	127	static void poll_keyboard(void)
128	{	128	{
129	char ch;	129	char ch;
130	static char last;	130	static char last;
131	ipl_t ipl;	131	ipl_t ipl;
132		132
133	ipl = interrupts_disable();	133	ipl = interrupts_disable();
134		134
135	if (kbd_disabled) {	135	if (kbd_disabled) {
136	interrupts_restore(ipl);	136	interrupts_restore(ipl);
137	return;	137	return;
138	}	138	}
139		139
140	spinlock_lock(&ski_kbd_irq.lock);	140	spinlock_lock(&ski_kbd_irq.lock);
141		141
142	ch = ski_getchar();	142	ch = ski_getchar();
143	if(ch == '\r')	143	if(ch == '\r')
144	ch = '\n';	144	ch = '\n';
145	if (ch) {	145	if (ch) {
146	if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {	146	if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {
147	chardev_push_character(&ski_uconsole, ch);	147	chardev_push_character(&ski_uconsole, ch);
148	ipc_irq_send_notif(&ski_kbd_irq);	148	ipc_irq_send_notif(&ski_kbd_irq);
149	} else {	149	} else {
150	chardev_push_character(&ski_console, ch);	150	chardev_push_character(&ski_console, ch);
151	}	151	}
152	last = ch;	152	last = ch;
153	spinlock_unlock(&ski_kbd_irq.lock);	153	spinlock_unlock(&ski_kbd_irq.lock);
154	interrupts_restore(ipl);	154	interrupts_restore(ipl);
155	return;	155	return;
156	}	156	}
157		157
158	if (last) {	158	if (last) {
159	if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {	159	if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {
160	chardev_push_character(&ski_uconsole, 0);	160	chardev_push_character(&ski_uconsole, 0);
161	ipc_irq_send_notif(&ski_kbd_irq);	161	ipc_irq_send_notif(&ski_kbd_irq);
162	}	162	}
163	last = 0;	163	last = 0;
164	}	164	}
165		165
166	spinlock_unlock(&ski_kbd_irq.lock);	166	spinlock_unlock(&ski_kbd_irq.lock);
167	interrupts_restore(ipl);	167	interrupts_restore(ipl);
168	}	168	}
169		169
170	/* Called from getc(). */	170	/* Called from getc(). */
171	static void ski_kbd_enable(chardev_t *d)	171	static void ski_kbd_enable(chardev_t *d)
172	{	172	{
173	kbd_disabled = false;	173	kbd_disabled = false;
174	}	174	}
175		175
176	/* Called from getc(). */	176	/* Called from getc(). */
177	static void ski_kbd_disable(chardev_t *d)	177	static void ski_kbd_disable(chardev_t *d)
178	{	178	{
179	kbd_disabled = true;	179	kbd_disabled = true;
180	}	180	}
181		181
182	/** Decline to service hardware IRQ.	182	/** Decline to service hardware IRQ.
183	*	183	*
184	* This is only a virtual IRQ, so always decline.	184	* This is only a virtual IRQ, so always decline.
185	*	185	*
186	* @return Always IRQ_DECLINE.	186	* @return Always IRQ_DECLINE.
187	*/	187	*/
188	static irq_ownership_t ski_kbd_claim(void)	188	static irq_ownership_t ski_kbd_claim(void)
189	{	189	{
190	return IRQ_DECLINE;	190	return IRQ_DECLINE;
191	}	191	}
192		192
193	static chardev_operations_t ski_ops = {	193	static chardev_operations_t ski_ops = {
194	.resume = ski_kbd_enable,	194	.resume = ski_kbd_enable,
195	.suspend = ski_kbd_disable,	195	.suspend = ski_kbd_disable,
196	.write = ski_putchar,	196	.write = ski_putchar,
197	.read = ski_getchar_blocking	197	.read = ski_getchar_blocking
198	};	198	};
199		199
200	/** Initialize debug console	200	/** Initialize debug console
201	*	201	*
202	* Issue SSC (Simulator System Call) to	202	* Issue SSC (Simulator System Call) to
203	* to open debug console.	203	* to open debug console.
204	*/	204	*/
205	void ski_init_console(void)	205	void ski_init_console(void)
206	{	206	{
207	__asm__ volatile (	207	__asm__ volatile (
208	"mov r15 = %0\n"	208	"mov r15 = %0\n"
209	"break 0x80000\n"	209	"break 0x80000\n"
210	:	210	:
211	: "i" (SKI_INIT_CONSOLE)	211	: "i" (SKI_INIT_CONSOLE)
212	: "r15", "r8"	212	: "r15", "r8"
213	);	213	);
214		214
215	chardev_initialize("ski_console", &ski_console, &ski_ops);	215	chardev_initialize("ski_console", &ski_console, &ski_ops);
216	chardev_initialize("ski_uconsole", &ski_uconsole, &ski_ops);	216	chardev_initialize("ski_uconsole", &ski_uconsole, &ski_ops);
217	stdin = &ski_console;	217	stdin = &ski_console;
218	stdout = &ski_console;	218	stdout = &ski_console;
219		219
220	ski_kbd_devno = device_assign_devno();	220	ski_kbd_devno = device_assign_devno();
221		221
222	irq_initialize(&ski_kbd_irq);	222	irq_initialize(&ski_kbd_irq);
223	ski_kbd_irq.inr = SKI_KBD_INR;	223	ski_kbd_irq.inr = SKI_KBD_INR;
224	ski_kbd_irq.devno = ski_kbd_devno;	224	ski_kbd_irq.devno = ski_kbd_devno;
225	ski_kbd_irq.claim = ski_kbd_claim;	225	ski_kbd_irq.claim = ski_kbd_claim;
226	irq_register(&ski_kbd_irq);	226	irq_register(&ski_kbd_irq);
227		227
228	sysinfo_set_item_val("kbd", NULL, true);	228	sysinfo_set_item_val("kbd", NULL, true);
229	sysinfo_set_item_val("kbd.inr", NULL, SKI_KBD_INR);	229	sysinfo_set_item_val("kbd.inr", NULL, SKI_KBD_INR);
230	sysinfo_set_item_val("kbd.devno", NULL, ski_kbd_devno);	230	sysinfo_set_item_val("kbd.devno", NULL, ski_kbd_devno);
231	}	231	}
232		232
233	void ski_kbd_grab(void)	233	void ski_kbd_grab(void)
234	{	234	{
235	ipl_t ipl = interrupts_disable();	235	ipl_t ipl = interrupts_disable();
236	spinlock_lock(&ski_kbd_irq.lock);	236	spinlock_lock(&ski_kbd_irq.lock);
237	ski_kbd_irq.notif_cfg.notify = false;	237	ski_kbd_irq.notif_cfg.notify = false;
238	spinlock_unlock(&ski_kbd_irq.lock);	238	spinlock_unlock(&ski_kbd_irq.lock);
239	interrupts_restore(ipl);	239	interrupts_restore(ipl);
240	}	240	}
241		241
242	void ski_kbd_release(void)	242	void ski_kbd_release(void)
243	{	243	{
244	ipl_t ipl = interrupts_disable();	244	ipl_t ipl = interrupts_disable();
245	spinlock_lock(&ski_kbd_irq.lock);	245	spinlock_lock(&ski_kbd_irq.lock);
246	if (ski_kbd_irq.notif_cfg.answerbox)	246	if (ski_kbd_irq.notif_cfg.answerbox)
247	ski_kbd_irq.notif_cfg.notify = true;	247	ski_kbd_irq.notif_cfg.notify = true;
248	spinlock_unlock(&ski_kbd_irq.lock);	248	spinlock_unlock(&ski_kbd_irq.lock);
249	interrupts_restore(ipl);	249	interrupts_restore(ipl);
250	}	250	}
251		251
252		252
253	#define POLL_INTERVAL 50000 /* 50 ms */	253	#define POLL_INTERVAL 50000 /* 50 ms */
254		254
255	/** Kernel thread for polling keyboard. */	255	/** Kernel thread for polling keyboard. */
256	void kkbdpoll(void *arg)	256	void kkbdpoll(void *arg)
257	{	257	{
258	while (1) {	258	while (1) {
259	poll_keyboard();	259	poll_keyboard();
260	thread_usleep(POLL_INTERVAL);	260	thread_usleep(POLL_INTERVAL);
261	}	261	}
262	}	262	}
263		263
264	/** @}	264	/** @}
265	*/	265	*/
266		266

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(root)/trunk/kernel/arch/ia64/src/ski/ski.c – Rev 1945 → 2071