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.
 */
 
/** @addtogroup sparc64
 * @{
 */
/** @file
 */
 
#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>
#include <arch/mm/tlb.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;
 
    kbd_init();
    fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8);
}
 
/** 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 1702	Rev 1769
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 sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/console.h>	35	#include <arch/console.h>
36	#include <arch/types.h>	36	#include <arch/types.h>
37	#include <typedefs.h>	37	#include <typedefs.h>
38	#include <genarch/fb/fb.h>	38	#include <genarch/fb/fb.h>
39	#include <arch/drivers/fb.h>	39	#include <arch/drivers/fb.h>
40	#include <arch/drivers/i8042.h>	40	#include <arch/drivers/i8042.h>
41	#include <genarch/i8042/i8042.h>	41	#include <genarch/i8042/i8042.h>
42	#include <genarch/ofw/ofw.h>	42	#include <genarch/ofw/ofw.h>
43	#include <console/chardev.h>	43	#include <console/chardev.h>
44	#include <console/console.h>	44	#include <console/console.h>
45	#include <arch/asm.h>	45	#include <arch/asm.h>
46	#include <arch/register.h>	46	#include <arch/register.h>
47	#include <proc/thread.h>	47	#include <proc/thread.h>
48	#include <synch/mutex.h>	48	#include <synch/mutex.h>
49	#include <arch/mm/tlb.h>	49	#include <arch/mm/tlb.h>
50		50
51	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */	51	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
52		52
53	static void ofw_sparc64_putchar(chardev_t *d, const char ch);	53	static void ofw_sparc64_putchar(chardev_t *d, const char ch);
54	static char ofw_sparc64_getchar(chardev_t *d);	54	static char ofw_sparc64_getchar(chardev_t *d);
55	static void ofw_sparc64_suspend(chardev_t *d);	55	static void ofw_sparc64_suspend(chardev_t *d);
56	static void ofw_sparc64_resume(chardev_t *d);	56	static void ofw_sparc64_resume(chardev_t *d);
57		57
58	mutex_t canwork;	58	mutex_t canwork;
59		59
60	static volatile int ofw_console_active;	60	static volatile int ofw_console_active;
61		61
62	static chardev_t ofw_sparc64_console;	62	static chardev_t ofw_sparc64_console;
63	static chardev_operations_t ofw_sparc64_console_ops = {	63	static chardev_operations_t ofw_sparc64_console_ops = {
64	.write = ofw_sparc64_putchar,	64	.write = ofw_sparc64_putchar,
65	.read = ofw_sparc64_getchar,	65	.read = ofw_sparc64_getchar,
66	.resume = ofw_sparc64_resume,	66	.resume = ofw_sparc64_resume,
67	.suspend = ofw_sparc64_suspend	67	.suspend = ofw_sparc64_suspend
68	};	68	};
69		69
70	/** Initialize kernel console to use OpenFirmware services. */	70	/** Initialize kernel console to use OpenFirmware services. */
71	void ofw_sparc64_console_init(void)	71	void ofw_sparc64_console_init(void)
72	{	72	{
73	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);	73	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);
74	stdin = &ofw_sparc64_console;	74	stdin = &ofw_sparc64_console;
75	stdout = &ofw_sparc64_console;	75	stdout = &ofw_sparc64_console;
76	mutex_initialize(&canwork);	76	mutex_initialize(&canwork);
77	ofw_console_active = 1;	77	ofw_console_active = 1;
78	}	78	}
79		79
80	/** Initialize kernel console to use framebuffer and keyboard directly. */	80	/** Initialize kernel console to use framebuffer and keyboard directly. */
81	void standalone_sparc64_console_init(void)	81	void standalone_sparc64_console_init(void)
82	{	82	{
83	ofw_console_active = 0;	83	ofw_console_active = 0;
84	stdin = NULL;	84	stdin = NULL;
85		85
86	kbd_init();	86	kbd_init();
87	fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8);	87	fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8);
88	}	88	}
89		89
90	/** Write one character using OpenFirmware.	90	/** Write one character using OpenFirmware.
91	*	91	*
92	* @param d Character device (ignored).	92	* @param d Character device (ignored).
93	* @param ch Character to be written.	93	* @param ch Character to be written.
94	*/	94	*/
95	void ofw_sparc64_putchar(chardev_t *d, const char ch)	95	void ofw_sparc64_putchar(chardev_t *d, const char ch)
96	{	96	{
97	pstate_reg_t pstate;	97	pstate_reg_t pstate;
98		98
99	/*	99	/*
100	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	100	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
101	*/	101	*/
102	pstate.value = pstate_read();	102	pstate.value = pstate_read();
103	pstate.am = true;	103	pstate.am = true;
104	pstate_write(pstate.value);	104	pstate_write(pstate.value);
105		105
106	if (ch == '\n')	106	if (ch == '\n')
107	ofw_putchar('\r');	107	ofw_putchar('\r');
108	ofw_putchar(ch);	108	ofw_putchar(ch);
109		109
110	pstate.am = false;	110	pstate.am = false;
111	pstate_write(pstate.value);	111	pstate_write(pstate.value);
112	}	112	}
113		113
114	/** Read one character using OpenFirmware.	114	/** Read one character using OpenFirmware.
115	*	115	*
116	* The call is non-blocking.	116	* The call is non-blocking.
117	*	117	*
118	* @param d Character device (ignored).	118	* @param d Character device (ignored).
119	* @return Character read or zero if no character was read.	119	* @return Character read or zero if no character was read.
120	*/	120	*/
121	char ofw_sparc64_getchar(chardev_t *d)	121	char ofw_sparc64_getchar(chardev_t *d)
122	{	122	{
123	char ch;	123	char ch;
124	pstate_reg_t pstate;	124	pstate_reg_t pstate;
125		125
126	/*	126	/*
127	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	127	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
128	*/	128	*/
129	pstate.value = pstate_read();	129	pstate.value = pstate_read();
130	pstate.am = true;	130	pstate.am = true;
131	pstate_write(pstate.value);	131	pstate_write(pstate.value);
132		132
133	ch = ofw_getchar();	133	ch = ofw_getchar();
134		134
135	pstate.am = false;	135	pstate.am = false;
136	pstate_write(pstate.value);	136	pstate_write(pstate.value);
137		137
138	return ch;	138	return ch;
139	}	139	}
140		140
141	void ofw_sparc64_suspend(chardev_t *d)	141	void ofw_sparc64_suspend(chardev_t *d)
142	{	142	{
143	mutex_lock(&canwork);	143	mutex_lock(&canwork);
144	}	144	}
145		145
146	void ofw_sparc64_resume(chardev_t *d)	146	void ofw_sparc64_resume(chardev_t *d)
147	{	147	{
148	mutex_unlock(&canwork);	148	mutex_unlock(&canwork);
149	}	149	}
150		150
151	/** Kernel thread for pushing characters read from OFW to input buffer.	151	/** Kernel thread for pushing characters read from OFW to input buffer.
152	*	152	*
153	* @param arg Ignored.	153	* @param arg Ignored.
154	*/	154	*/
155	void kofwinput(void *arg)	155	void kofwinput(void *arg)
156	{	156	{
157		157
158	while (ofw_console_active) {	158	while (ofw_console_active) {
159	char ch = 0;	159	char ch = 0;
160		160
161	mutex_lock(&canwork);	161	mutex_lock(&canwork);
162	mutex_unlock(&canwork);	162	mutex_unlock(&canwork);
163		163
164	ch = ofw_sparc64_getchar(NULL);	164	ch = ofw_sparc64_getchar(NULL);
165	if (ch) {	165	if (ch) {
166	if (ch == '\r')	166	if (ch == '\r')
167	ch = '\n';	167	ch = '\n';
168	chardev_push_character(&ofw_sparc64_console, ch);	168	chardev_push_character(&ofw_sparc64_console, ch);
169	}	169	}
170	thread_usleep(KEYBOARD_POLL_PAUSE);	170	thread_usleep(KEYBOARD_POLL_PAUSE);
171	}	171	}
172	}	172	}
173		173
174	/** Kernel thread for polling keyboard.	174	/** Kernel thread for polling keyboard.
175	*	175	*
176	* @param arg Ignored.	176	* @param arg Ignored.
177	*/	177	*/
178	void kkbdpoll(void *arg)	178	void kkbdpoll(void *arg)
179	{	179	{
180	while (1) {	180	while (1) {
181	i8042_poll();	181	i8042_poll();
182	thread_usleep(KEYBOARD_POLL_PAUSE);	182	thread_usleep(KEYBOARD_POLL_PAUSE);
183	}	183	}
184	}	184	}
185		185
186	/** @}	186	/** @}
187	*/	187	*/
188		-
189		188

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(root)/kernel/trunk/arch/sparc64/src/console.c – Rev 1702 → 1769