WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/sparc64/src/console.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.
 */
 
#include <arch/console.h>
#include <arch/types.h>
#include <typedefs.h>
#include <genarch/fb/fb.h>
#include <arch/drivers/fb.h>
#include <arch/drivers/i8042.h>
#include <genarch/i8042/i8042.h>
#include <genarch/ofw/ofw.h>
#include <console/chardev.h>
#include <console/console.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <proc/thread.h>
#include <synch/mutex.h>
 
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
 
static void ofw_sparc64_putchar(chardev_t *d, const char ch);
static char ofw_sparc64_getchar(chardev_t *d);
static void ofw_sparc64_suspend(chardev_t *d);
static void ofw_sparc64_resume(chardev_t *d);
 
mutex_t canwork;
 
static volatile int ofw_console_active;
 
static chardev_t ofw_sparc64_console;
static chardev_operations_t ofw_sparc64_console_ops = {
    .write = ofw_sparc64_putchar,
    .read = ofw_sparc64_getchar,
    .resume = ofw_sparc64_resume,
    .suspend = ofw_sparc64_suspend
};
 
/** Initialize kernel console to use OpenFirmware services. */
void ofw_sparc64_console_init(void)
{
    chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);
    stdin = &ofw_sparc64_console;
    stdout = &ofw_sparc64_console;
    mutex_initialize(&canwork);
    ofw_console_active = 1;
}
 
/** Initialize kernel console to use framebuffer and keyboard directly. */
void standalone_sparc64_console_init(void)
{
    ofw_console_active = 0;
    stdin = NULL;
    fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8);
    i8042_init();
}
 
/** Write one character using OpenFirmware.
 *
 * @param d Character device (ignored).
 * @param ch Character to be written.
 */
void ofw_sparc64_putchar(chardev_t *d, const char ch)
{
    pstate_reg_t pstate;
 
    /*
     * 32-bit OpenFirmware depends on PSTATE.AM bit set.
     */
    pstate.value = pstate_read();
    pstate.am = true;
    pstate_write(pstate.value);
 
    if (ch == '\n')
        ofw_putchar('\r');
    ofw_putchar(ch);
   
    pstate.am = false;
    pstate_write(pstate.value);
}
 
/** Read one character using OpenFirmware.
 *
 * The call is non-blocking.
 *
 * @param d Character device (ignored).
 * @return Character read or zero if no character was read.
 */
char ofw_sparc64_getchar(chardev_t *d)
{
    char ch;
    pstate_reg_t pstate;
 
    /*
     * 32-bit OpenFirmware depends on PSTATE.AM bit set.
     */
    pstate.value = pstate_read();
    pstate.am = true;
    pstate_write(pstate.value);
 
    ch = ofw_getchar();
   
    pstate.am = false;
    pstate_write(pstate.value);
   
    return ch;
}
 
void ofw_sparc64_suspend(chardev_t *d)
{
    mutex_lock(&canwork);
}
 
void ofw_sparc64_resume(chardev_t *d)
{
    mutex_unlock(&canwork);
}
 
/** Kernel thread for pushing characters read from OFW to input buffer.
 *
 * @param arg Ignored.
 */
void kofwinput(void *arg)
{
 
    while (ofw_console_active) {
        char ch = 0;
       
        mutex_lock(&canwork);
        mutex_unlock(&canwork);
       
        ch = ofw_sparc64_getchar(NULL);
        if (ch) {
            if (ch == '\r')
                ch = '\n';
            chardev_push_character(&ofw_sparc64_console, ch);
        }
        thread_usleep(KEYBOARD_POLL_PAUSE);
    }
}
 
/** Kernel thread for polling keyboard.
 *
 * @param arg Ignored.
 */
void kkbdpoll(void *arg)
{
    while (1) {
        i8042_poll();      
        thread_usleep(KEYBOARD_POLL_PAUSE);
    }
}
 

Rev 894	Rev 895
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	#include <arch/console.h>	29	#include <arch/console.h>
30	#include <arch/types.h>	30	#include <arch/types.h>
31	#include <typedefs.h>	31	#include <typedefs.h>
32	#include <genarch/fb/fb.h>	32	#include <genarch/fb/fb.h>
33	#include <arch/drivers/fb.h>	33	#include <arch/drivers/fb.h>
34	#include <arch/drivers/keyboard.h>	34	#include <arch/drivers/i8042.h>
-		35	#include <genarch/i8042/i8042.h>
35	#include <genarch/ofw/ofw.h>	36	#include <genarch/ofw/ofw.h>
36	#include <console/chardev.h>	37	#include <console/chardev.h>
37	#include <console/console.h>	38	#include <console/console.h>
38	#include <arch/asm.h>	39	#include <arch/asm.h>
39	#include <arch/register.h>	40	#include <arch/register.h>
40	#include <proc/thread.h>	41	#include <proc/thread.h>
41	#include <synch/mutex.h>	42	#include <synch/mutex.h>
42		43
-		44	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
-		45
43	static void ofw_sparc64_putchar(chardev_t *d, const char ch);	46	static void ofw_sparc64_putchar(chardev_t *d, const char ch);
44	static char ofw_sparc64_getchar(chardev_t *d);	47	static char ofw_sparc64_getchar(chardev_t *d);
45	static void ofw_sparc64_suspend(chardev_t *d);	48	static void ofw_sparc64_suspend(chardev_t *d);
46	static void ofw_sparc64_resume(chardev_t *d);	49	static void ofw_sparc64_resume(chardev_t *d);
47		50
48	mutex_t canwork;	51	mutex_t canwork;
49		52
50	static volatile int ofw_console_active;	53	static volatile int ofw_console_active;
51		54
52	static chardev_t ofw_sparc64_console;	55	static chardev_t ofw_sparc64_console;
53	static chardev_operations_t ofw_sparc64_console_ops = {	56	static chardev_operations_t ofw_sparc64_console_ops = {
54	.write = ofw_sparc64_putchar,	57	.write = ofw_sparc64_putchar,
55	.read = ofw_sparc64_getchar,	58	.read = ofw_sparc64_getchar,
56	.resume = ofw_sparc64_resume,	59	.resume = ofw_sparc64_resume,
57	.suspend = ofw_sparc64_suspend	60	.suspend = ofw_sparc64_suspend
58	};	61	};
59		62
60	/** Initialize kernel console to use OpenFirmware services. */	63	/** Initialize kernel console to use OpenFirmware services. */
61	void ofw_sparc64_console_init(void)	64	void ofw_sparc64_console_init(void)
62	{	65	{
63	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);	66	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);
64	stdin = &ofw_sparc64_console;	67	stdin = &ofw_sparc64_console;
65	stdout = &ofw_sparc64_console;	68	stdout = &ofw_sparc64_console;
66	mutex_initialize(&canwork);	69	mutex_initialize(&canwork);
67	ofw_console_active = 1;	70	ofw_console_active = 1;
68	}	71	}
69		72
70	/** Initialize kernel console to use framebuffer and keyboard directly. */	73	/** Initialize kernel console to use framebuffer and keyboard directly. */
71	void standalone_sparc64_console_init(void)	74	void standalone_sparc64_console_init(void)
72	{	75	{
73	ofw_console_active = 0;	76	ofw_console_active = 0;
74	stdin = NULL;	77	stdin = NULL;
75	fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8);	78	fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8);
-		79	i8042_init();
76	}	80	}
77		81
78	/** Write one character using OpenFirmware.	82	/** Write one character using OpenFirmware.
79	*	83	*
80	* @param d Character device (ignored).	84	* @param d Character device (ignored).
81	* @param ch Character to be written.	85	* @param ch Character to be written.
82	*/	86	*/
83	void ofw_sparc64_putchar(chardev_t *d, const char ch)	87	void ofw_sparc64_putchar(chardev_t *d, const char ch)
84	{	88	{
85	pstate_reg_t pstate;	89	pstate_reg_t pstate;
86		90
87	/*	91	/*
88	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	92	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
89	*/	93	*/
90	pstate.value = pstate_read();	94	pstate.value = pstate_read();
91	pstate.am = true;	95	pstate.am = true;
92	pstate_write(pstate.value);	96	pstate_write(pstate.value);
93		97
94	if (ch == '\n')	98	if (ch == '\n')
95	ofw_putchar('\r');	99	ofw_putchar('\r');
96	ofw_putchar(ch);	100	ofw_putchar(ch);
97		101
98	pstate.am = false;	102	pstate.am = false;
99	pstate_write(pstate.value);	103	pstate_write(pstate.value);
100	}	104	}
101		105
102	/** Read one character using OpenFirmware.	106	/** Read one character using OpenFirmware.
103	*	107	*
104	* The call is non-blocking.	108	* The call is non-blocking.
105	*	109	*
106	* @param d Character device (ignored).	110	* @param d Character device (ignored).
107	* @return Character read or zero if no character was read.	111	* @return Character read or zero if no character was read.
108	*/	112	*/
109	char ofw_sparc64_getchar(chardev_t *d)	113	char ofw_sparc64_getchar(chardev_t *d)
110	{	114	{
111	char ch;	115	char ch;
112	pstate_reg_t pstate;	116	pstate_reg_t pstate;
113		117
114	/*	118	/*
115	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	119	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
116	*/	120	*/
117	pstate.value = pstate_read();	121	pstate.value = pstate_read();
118	pstate.am = true;	122	pstate.am = true;
119	pstate_write(pstate.value);	123	pstate_write(pstate.value);
120		124
121	ch = ofw_getchar();	125	ch = ofw_getchar();
122		126
123	pstate.am = false;	127	pstate.am = false;
124	pstate_write(pstate.value);	128	pstate_write(pstate.value);
125		129
126	return ch;	130	return ch;
127	}	131	}
128		132
129	void ofw_sparc64_suspend(chardev_t *d)	133	void ofw_sparc64_suspend(chardev_t *d)
130	{	134	{
131	mutex_lock(&canwork);	135	mutex_lock(&canwork);
132	}	136	}
133		137
134	void ofw_sparc64_resume(chardev_t *d)	138	void ofw_sparc64_resume(chardev_t *d)
135	{	139	{
136	mutex_unlock(&canwork);	140	mutex_unlock(&canwork);
137	}	141	}
138		142
139	/** Kernel thread for pushing characters read from OFW to input buffer.	143	/** Kernel thread for pushing characters read from OFW to input buffer.
140	*	144	*
141	* @param arg Ignored.	145	* @param arg Ignored.
142	*/	146	*/
143	void kofwinput(void *arg)	147	void kofwinput(void *arg)
144	{	148	{
145		149
146	while (ofw_console_active) {	150	while (ofw_console_active) {
147	char ch = 0;	151	char ch = 0;
148		152
149	mutex_lock(&canwork);	153	mutex_lock(&canwork);
150	mutex_unlock(&canwork);	154	mutex_unlock(&canwork);
151		155
152	ch = ofw_sparc64_getchar(NULL);	156	ch = ofw_sparc64_getchar(NULL);
153	if (ch) {	157	if (ch) {
154	if (ch == '\r')	158	if (ch == '\r')
155	ch = '\n';	159	ch = '\n';
156	chardev_push_character(&ofw_sparc64_console, ch);	160	chardev_push_character(&ofw_sparc64_console, ch);
157	}	161	}
158	thread_usleep(25000);	162	thread_usleep(KEYBOARD_POLL_PAUSE);
-		163	}
-		164	}
-		165
-		166	/** Kernel thread for polling keyboard.
-		167	*
-		168	* @param arg Ignored.
-		169	*/
-		170	void kkbdpoll(void *arg)
-		171	{
-		172	while (1) {
-		173	i8042_poll();
-		174	thread_usleep(KEYBOARD_POLL_PAUSE);
159	}	175	}
160	}	176	}
161		177

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(root)/kernel/trunk/arch/sparc64/src/console.c @ 1784 – Rev 894 → 895