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>
#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 1382	Rev 1410
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/i8042.h>	34	#include <arch/drivers/i8042.h>
35	#include <genarch/i8042/i8042.h>	35	#include <genarch/i8042/i8042.h>
36	#include <genarch/ofw/ofw.h>	36	#include <genarch/ofw/ofw.h>
37	#include <console/chardev.h>	37	#include <console/chardev.h>
38	#include <console/console.h>	38	#include <console/console.h>
39	#include <arch/asm.h>	39	#include <arch/asm.h>
40	#include <arch/register.h>	40	#include <arch/register.h>
41	#include <proc/thread.h>	41	#include <proc/thread.h>
42	#include <synch/mutex.h>	42	#include <synch/mutex.h>
43	#include <arch/mm/tlb.h>	43	#include <arch/mm/tlb.h>
44		44
45	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */	45	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
46		46
47	static void ofw_sparc64_putchar(chardev_t *d, const char ch);	47	static void ofw_sparc64_putchar(chardev_t *d, const char ch);
48	static char ofw_sparc64_getchar(chardev_t *d);	48	static char ofw_sparc64_getchar(chardev_t *d);
49	static void ofw_sparc64_suspend(chardev_t *d);	49	static void ofw_sparc64_suspend(chardev_t *d);
50	static void ofw_sparc64_resume(chardev_t *d);	50	static void ofw_sparc64_resume(chardev_t *d);
51		51
52	mutex_t canwork;	52	mutex_t canwork;
53		53
54	static volatile int ofw_console_active;	54	static volatile int ofw_console_active;
55		55
56	static chardev_t ofw_sparc64_console;	56	static chardev_t ofw_sparc64_console;
57	static chardev_operations_t ofw_sparc64_console_ops = {	57	static chardev_operations_t ofw_sparc64_console_ops = {
58	.write = ofw_sparc64_putchar,	58	.write = ofw_sparc64_putchar,
59	.read = ofw_sparc64_getchar,	59	.read = ofw_sparc64_getchar,
60	.resume = ofw_sparc64_resume,	60	.resume = ofw_sparc64_resume,
61	.suspend = ofw_sparc64_suspend	61	.suspend = ofw_sparc64_suspend
62	};	62	};
63		63
64	/** Initialize kernel console to use OpenFirmware services. */	64	/** Initialize kernel console to use OpenFirmware services. */
65	void ofw_sparc64_console_init(void)	65	void ofw_sparc64_console_init(void)
66	{	66	{
67	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);	67	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);
68	stdin = &ofw_sparc64_console;	68	stdin = &ofw_sparc64_console;
69	stdout = &ofw_sparc64_console;	69	stdout = &ofw_sparc64_console;
70	mutex_initialize(&canwork);	70	mutex_initialize(&canwork);
71	ofw_console_active = 1;	71	ofw_console_active = 1;
72	}	72	}
73		73
74	/** Initialize kernel console to use framebuffer and keyboard directly. */	74	/** Initialize kernel console to use framebuffer and keyboard directly. */
75	void standalone_sparc64_console_init(void)	75	void standalone_sparc64_console_init(void)
76	{	76	{
77	ofw_console_active = 0;	77	ofw_console_active = 0;
78	stdin = NULL;	78	stdin = NULL;
79		79
80	dtlb_insert_mapping(KBD_VIRT_ADDRESS, KBD_PHYS_ADDRESS, PAGESIZE_8K, true, false);	-
81		80	kbd_init();
82	fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8);	81	fb_init(FB_PHYS_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH, FB_X_RES * FB_COLOR_DEPTH / 8);
83	i8042_init();	-
84	}	82	}
85		83
86	/** Write one character using OpenFirmware.	84	/** Write one character using OpenFirmware.
87	*	85	*
88	* @param d Character device (ignored).	86	* @param d Character device (ignored).
89	* @param ch Character to be written.	87	* @param ch Character to be written.
90	*/	88	*/
91	void ofw_sparc64_putchar(chardev_t *d, const char ch)	89	void ofw_sparc64_putchar(chardev_t *d, const char ch)
92	{	90	{
93	pstate_reg_t pstate;	91	pstate_reg_t pstate;
94		92
95	/*	93	/*
96	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	94	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
97	*/	95	*/
98	pstate.value = pstate_read();	96	pstate.value = pstate_read();
99	pstate.am = true;	97	pstate.am = true;
100	pstate_write(pstate.value);	98	pstate_write(pstate.value);
101		99
102	if (ch == '\n')	100	if (ch == '\n')
103	ofw_putchar('\r');	101	ofw_putchar('\r');
104	ofw_putchar(ch);	102	ofw_putchar(ch);
105		103
106	pstate.am = false;	104	pstate.am = false;
107	pstate_write(pstate.value);	105	pstate_write(pstate.value);
108	}	106	}
109		107
110	/** Read one character using OpenFirmware.	108	/** Read one character using OpenFirmware.
111	*	109	*
112	* The call is non-blocking.	110	* The call is non-blocking.
113	*	111	*
114	* @param d Character device (ignored).	112	* @param d Character device (ignored).
115	* @return Character read or zero if no character was read.	113	* @return Character read or zero if no character was read.
116	*/	114	*/
117	char ofw_sparc64_getchar(chardev_t *d)	115	char ofw_sparc64_getchar(chardev_t *d)
118	{	116	{
119	char ch;	117	char ch;
120	pstate_reg_t pstate;	118	pstate_reg_t pstate;
121		119
122	/*	120	/*
123	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	121	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
124	*/	122	*/
125	pstate.value = pstate_read();	123	pstate.value = pstate_read();
126	pstate.am = true;	124	pstate.am = true;
127	pstate_write(pstate.value);	125	pstate_write(pstate.value);
128		126
129	ch = ofw_getchar();	127	ch = ofw_getchar();
130		128
131	pstate.am = false;	129	pstate.am = false;
132	pstate_write(pstate.value);	130	pstate_write(pstate.value);
133		131
134	return ch;	132	return ch;
135	}	133	}
136		134
137	void ofw_sparc64_suspend(chardev_t *d)	135	void ofw_sparc64_suspend(chardev_t *d)
138	{	136	{
139	mutex_lock(&canwork);	137	mutex_lock(&canwork);
140	}	138	}
141		139
142	void ofw_sparc64_resume(chardev_t *d)	140	void ofw_sparc64_resume(chardev_t *d)
143	{	141	{
144	mutex_unlock(&canwork);	142	mutex_unlock(&canwork);
145	}	143	}
146		144
147	/** Kernel thread for pushing characters read from OFW to input buffer.	145	/** Kernel thread for pushing characters read from OFW to input buffer.
148	*	146	*
149	* @param arg Ignored.	147	* @param arg Ignored.
150	*/	148	*/
151	void kofwinput(void *arg)	149	void kofwinput(void *arg)
152	{	150	{
153		151
154	while (ofw_console_active) {	152	while (ofw_console_active) {
155	char ch = 0;	153	char ch = 0;
156		154
157	mutex_lock(&canwork);	155	mutex_lock(&canwork);
158	mutex_unlock(&canwork);	156	mutex_unlock(&canwork);
159		157
160	ch = ofw_sparc64_getchar(NULL);	158	ch = ofw_sparc64_getchar(NULL);
161	if (ch) {	159	if (ch) {
162	if (ch == '\r')	160	if (ch == '\r')
163	ch = '\n';	161	ch = '\n';
164	chardev_push_character(&ofw_sparc64_console, ch);	162	chardev_push_character(&ofw_sparc64_console, ch);
165	}	163	}
166	thread_usleep(KEYBOARD_POLL_PAUSE);	164	thread_usleep(KEYBOARD_POLL_PAUSE);
167	}	165	}
168	}	166	}
169		167
170	/** Kernel thread for polling keyboard.	168	/** Kernel thread for polling keyboard.
171	*	169	*
172	* @param arg Ignored.	170	* @param arg Ignored.
173	*/	171	*/
174	void kkbdpoll(void *arg)	172	void kkbdpoll(void *arg)
175	{	173	{
176	while (1) {	174	while (1) {
177	i8042_poll();	175	i8042_poll();
178	thread_usleep(KEYBOARD_POLL_PAUSE);	176	thread_usleep(KEYBOARD_POLL_PAUSE);
179	}	177	}
180	}	178	}
181		179

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/sparc64/src/console.c @ 1702 – Rev 1382 → 1410