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/keyboard.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>
 
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);
}
 
/** 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(25000);
    }
}
 

Rev 893	Rev 894
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 <genarch/ofw/ofw.h>	35	#include <genarch/ofw/ofw.h>
35	#include <console/chardev.h>	36	#include <console/chardev.h>
36	#include <console/console.h>	37	#include <console/console.h>
37	#include <arch/asm.h>	38	#include <arch/asm.h>
38	#include <arch/register.h>	39	#include <arch/register.h>
39	#include <proc/thread.h>	40	#include <proc/thread.h>
40	#include <synch/mutex.h>	41	#include <synch/mutex.h>
41		42
42	static void ofw_sparc64_putchar(chardev_t *d, const char ch);	43	static void ofw_sparc64_putchar(chardev_t *d, const char ch);
43	static char ofw_sparc64_getchar(chardev_t *d);	44	static char ofw_sparc64_getchar(chardev_t *d);
44	static void ofw_sparc64_suspend(chardev_t *d);	45	static void ofw_sparc64_suspend(chardev_t *d);
45	static void ofw_sparc64_resume(chardev_t *d);	46	static void ofw_sparc64_resume(chardev_t *d);
46		47
47	mutex_t canwork;	48	mutex_t canwork;
48		49
49	static volatile int ofw_console_active;	50	static volatile int ofw_console_active;
50		51
51	static chardev_t ofw_sparc64_console;	52	static chardev_t ofw_sparc64_console;
52	static chardev_operations_t ofw_sparc64_console_ops = {	53	static chardev_operations_t ofw_sparc64_console_ops = {
53	.write = ofw_sparc64_putchar,	54	.write = ofw_sparc64_putchar,
54	.read = ofw_sparc64_getchar,	55	.read = ofw_sparc64_getchar,
55	.resume = ofw_sparc64_resume,	56	.resume = ofw_sparc64_resume,
56	.suspend = ofw_sparc64_suspend	57	.suspend = ofw_sparc64_suspend
57	};	58	};
58		59
59	/** Initialize kernel console to use OpenFirmware services. */	60	/** Initialize kernel console to use OpenFirmware services. */
60	void ofw_sparc64_console_init(void)	61	void ofw_sparc64_console_init(void)
61	{	62	{
62	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);	63	chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops);
63	stdin = &ofw_sparc64_console;	64	stdin = &ofw_sparc64_console;
64	stdout = &ofw_sparc64_console;	65	stdout = &ofw_sparc64_console;
65	mutex_initialize(&canwork);	66	mutex_initialize(&canwork);
66	ofw_console_active = 1;	67	ofw_console_active = 1;
67	}	68	}
68		69
69	/** Initialize kernel console to use framebuffer and keyboard directly. */	70	/** Initialize kernel console to use framebuffer and keyboard directly. */
70	void standalone_sparc64_console_init(void)	71	void standalone_sparc64_console_init(void)
71	{	72	{
72	ofw_console_active = 0;	73	ofw_console_active = 0;
73	stdin = NULL;	74	stdin = NULL;
74	fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8);	75	fb_init(FB_VIRT_ADDRESS, FB_X_RES, FB_Y_RES, FB_COLOR_DEPTH/8);
75	}	76	}
76		77
77	/** Write one character using OpenFirmware.	78	/** Write one character using OpenFirmware.
78	*	79	*
79	* @param d Character device (ignored).	80	* @param d Character device (ignored).
80	* @param ch Character to be written.	81	* @param ch Character to be written.
81	*/	82	*/
82	void ofw_sparc64_putchar(chardev_t *d, const char ch)	83	void ofw_sparc64_putchar(chardev_t *d, const char ch)
83	{	84	{
84	pstate_reg_t pstate;	85	pstate_reg_t pstate;
85		86
86	/*	87	/*
87	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	88	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
88	*/	89	*/
89	pstate.value = pstate_read();	90	pstate.value = pstate_read();
90	pstate.am = true;	91	pstate.am = true;
91	pstate_write(pstate.value);	92	pstate_write(pstate.value);
92		93
93	if (ch == '\n')	94	if (ch == '\n')
94	ofw_putchar('\r');	95	ofw_putchar('\r');
95	ofw_putchar(ch);	96	ofw_putchar(ch);
96		97
97	pstate.am = false;	98	pstate.am = false;
98	pstate_write(pstate.value);	99	pstate_write(pstate.value);
99	}	100	}
100		101
101	/** Read one character using OpenFirmware.	102	/** Read one character using OpenFirmware.
102	*	103	*
103	* The call is non-blocking.	104	* The call is non-blocking.
104	*	105	*
105	* @param d Character device (ignored).	106	* @param d Character device (ignored).
106	* @return Character read or zero if no character was read.	107	* @return Character read or zero if no character was read.
107	*/	108	*/
108	char ofw_sparc64_getchar(chardev_t *d)	109	char ofw_sparc64_getchar(chardev_t *d)
109	{	110	{
110	char ch;	111	char ch;
111	pstate_reg_t pstate;	112	pstate_reg_t pstate;
112		113
113	/*	114	/*
114	* 32-bit OpenFirmware depends on PSTATE.AM bit set.	115	* 32-bit OpenFirmware depends on PSTATE.AM bit set.
115	*/	116	*/
116	pstate.value = pstate_read();	117	pstate.value = pstate_read();
117	pstate.am = true;	118	pstate.am = true;
118	pstate_write(pstate.value);	119	pstate_write(pstate.value);
119		120
120	ch = ofw_getchar();	121	ch = ofw_getchar();
121		122
122	pstate.am = false;	123	pstate.am = false;
123	pstate_write(pstate.value);	124	pstate_write(pstate.value);
124		125
125	return ch;	126	return ch;
126	}	127	}
127		128
128	void ofw_sparc64_suspend(chardev_t *d)	129	void ofw_sparc64_suspend(chardev_t *d)
129	{	130	{
130	mutex_lock(&canwork);	131	mutex_lock(&canwork);
131	}	132	}
132		133
133	void ofw_sparc64_resume(chardev_t *d)	134	void ofw_sparc64_resume(chardev_t *d)
134	{	135	{
135	mutex_unlock(&canwork);	136	mutex_unlock(&canwork);
136	}	137	}
137		138
138	/** Kernel thread for pushing characters read from OFW to input buffer.	139	/** Kernel thread for pushing characters read from OFW to input buffer.
139	*	140	*
140	* @param arg Ignored.	141	* @param arg Ignored.
141	*/	142	*/
142	void kofwinput(void *arg)	143	void kofwinput(void *arg)
143	{	144	{
144		145
145	while (ofw_console_active) {	146	while (ofw_console_active) {
146	char ch = 0;	147	char ch = 0;
147		148
148	mutex_lock(&canwork);	149	mutex_lock(&canwork);
149	mutex_unlock(&canwork);	150	mutex_unlock(&canwork);
150		151
151	ch = ofw_sparc64_getchar(NULL);	152	ch = ofw_sparc64_getchar(NULL);
152	if (ch) {	153	if (ch) {
153	if (ch == '\r')	154	if (ch == '\r')
154	ch = '\n';	155	ch = '\n';
155	chardev_push_character(&ofw_sparc64_console, ch);	156	chardev_push_character(&ofw_sparc64_console, ch);
156	}	157	}
157	thread_usleep(25000);	158	thread_usleep(25000);
158	}	159	}
159	}	160	}
160		161

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/sparc64/src/console.c – Rev 893 → 894