WebSVN – HelenOS – Diff – /trunk/kernel/arch/mips32/src/drivers/msim.c


/*
 * Copyright (c) 2005 Ondrej Palkovsky
 * 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 mips32 
 * @{
 */
/** @file
 */
 
#include <interrupt.h>
#include <ipc/irq.h>
#include <console/chardev.h>
#include <arch/drivers/msim.h>
#include <arch/cp0.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <ddi/ddi.h>
 
static parea_t msim_parea;
static chardev_t console;
static irq_t msim_irq;
 
static void msim_write(chardev_t *dev, const char ch);
static void msim_enable(chardev_t *dev);
static void msim_disable(chardev_t *dev);
static char msim_do_read(chardev_t *dev);
 
static chardev_operations_t msim_ops = {
    .resume = msim_enable,
    .suspend = msim_disable,
    .write = msim_write,
    .read = msim_do_read,
};
 
/** Putchar that works with MSIM & gxemul */
void msim_write(chardev_t *dev, const char ch)
{
    *((char *) MSIM_VIDEORAM) = ch;
}
 
/* Called from getc(). */
void msim_enable(chardev_t *dev)
{
    cp0_unmask_int(MSIM_KBD_IRQ);
}
 
/* Called from getc(). */
void msim_disable(chardev_t *dev)
{
    cp0_mask_int(MSIM_KBD_IRQ);
}
 
#include <print.h>
/** Read character using polling, assume interrupts disabled */
static char msim_do_read(chardev_t *dev)
{
    char ch;
 
    while (1) {
        ch = *((volatile char *) MSIM_KBD_ADDRESS);
        if (ch) {
            if (ch == '\r')
                return '\n';
            if (ch == 0x7f)
                return '\b';
            return ch;
        }
    }
}
 
/** Process keyboard interrupt. */
static void msim_irq_handler(irq_t *irq, void *arg, ...)
{
    if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
        ipc_irq_send_notif(irq);
    else {
        char ch = 0;
       
            ch = *((char *) MSIM_KBD_ADDRESS);
            if (ch =='\r')
                ch = '\n';
            if (ch == 0x7f)
                ch = '\b';
            chardev_push_character(&console, ch);
    }
}
 
static irq_ownership_t msim_claim(void)
{
    return IRQ_ACCEPT;
}
 
void msim_kbd_grab(void)
{
    ipl_t ipl = interrupts_disable();
    spinlock_lock(&msim_irq.lock);
    msim_irq.notif_cfg.notify = false;
    spinlock_unlock(&msim_irq.lock);
    interrupts_restore(ipl);
}
 
void msim_kbd_release(void)
{
    ipl_t ipl = interrupts_disable();
    spinlock_lock(&msim_irq.lock);
    if (msim_irq.notif_cfg.answerbox)
        msim_irq.notif_cfg.notify = true;
    spinlock_unlock(&msim_irq.lock);
    interrupts_restore(ipl);
}
 
 
/* Return console object representing msim console */
void msim_console(devno_t devno)
{
    chardev_initialize("msim_console", &console, &msim_ops);
    stdin = &console;
    stdout = &console;
   
    irq_initialize(&msim_irq);
    msim_irq.devno = devno;
    msim_irq.inr = MSIM_KBD_IRQ;
    msim_irq.claim = msim_claim;
    msim_irq.handler = msim_irq_handler;
    irq_register(&msim_irq);
   
    cp0_unmask_int(MSIM_KBD_IRQ);
   
    sysinfo_set_item_val("kbd", NULL, true);
    sysinfo_set_item_val("kbd.devno", NULL, devno);
    sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);
    sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
   
    msim_parea.pbase = KA2PA(MSIM_VIDEORAM);
    msim_parea.vbase = MSIM_VIDEORAM;
    msim_parea.frames = 1;
    msim_parea.cacheable = false;
    ddi_parea_register(&msim_parea);
   
    sysinfo_set_item_val("fb", NULL, true);
    sysinfo_set_item_val("fb.kind", NULL, 3);
    sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(MSIM_VIDEORAM));
}
 
/** @}
 */
 

Rev 3228	Rev 3234
1	/*	1	/*
2	* Copyright (c) 2005 Ondrej Palkovsky	2	* Copyright (c) 2005 Ondrej Palkovsky
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 mips32	29	/** @addtogroup mips32
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <interrupt.h>	35	#include <interrupt.h>
36	#include <ipc/irq.h>	36	#include <ipc/irq.h>
37	#include <console/chardev.h>	37	#include <console/chardev.h>
38	#include <arch/drivers/msim.h>	38	#include <arch/drivers/msim.h>
39	#include <arch/cp0.h>	39	#include <arch/cp0.h>
40	#include <console/console.h>	40	#include <console/console.h>
41	#include <sysinfo/sysinfo.h>	41	#include <sysinfo/sysinfo.h>
-		42	#include <ddi/ddi.h>
42		43
-		44	static parea_t msim_parea;
43	static chardev_t console;	45	static chardev_t console;
44	static irq_t msim_irq;	46	static irq_t msim_irq;
45		47
46	static void msim_write(chardev_t *dev, const char ch);	48	static void msim_write(chardev_t *dev, const char ch);
47	static void msim_enable(chardev_t *dev);	49	static void msim_enable(chardev_t *dev);
48	static void msim_disable(chardev_t *dev);	50	static void msim_disable(chardev_t *dev);
49	static char msim_do_read(chardev_t *dev);	51	static char msim_do_read(chardev_t *dev);
50		52
51	static chardev_operations_t msim_ops = {	53	static chardev_operations_t msim_ops = {
52	.resume = msim_enable,	54	.resume = msim_enable,
53	.suspend = msim_disable,	55	.suspend = msim_disable,
54	.write = msim_write,	56	.write = msim_write,
55	.read = msim_do_read,	57	.read = msim_do_read,
56	};	58	};
57		59
58	/** Putchar that works with MSIM & gxemul */	60	/** Putchar that works with MSIM & gxemul */
59	void msim_write(chardev_t *dev, const char ch)	61	void msim_write(chardev_t *dev, const char ch)
60	{	62	{
61	((char ) MSIM_VIDEORAM) = ch;	63	((char ) MSIM_VIDEORAM) = ch;
62	}	64	}
63		65
64	/* Called from getc(). */	66	/* Called from getc(). */
65	void msim_enable(chardev_t *dev)	67	void msim_enable(chardev_t *dev)
66	{	68	{
67	cp0_unmask_int(MSIM_KBD_IRQ);	69	cp0_unmask_int(MSIM_KBD_IRQ);
68	}	70	}
69		71
70	/* Called from getc(). */	72	/* Called from getc(). */
71	void msim_disable(chardev_t *dev)	73	void msim_disable(chardev_t *dev)
72	{	74	{
73	cp0_mask_int(MSIM_KBD_IRQ);	75	cp0_mask_int(MSIM_KBD_IRQ);
74	}	76	}
75		77
76	#include <print.h>	78	#include <print.h>
77	/** Read character using polling, assume interrupts disabled */	79	/** Read character using polling, assume interrupts disabled */
78	static char msim_do_read(chardev_t *dev)	80	static char msim_do_read(chardev_t *dev)
79	{	81	{
80	char ch;	82	char ch;
81		83
82	while (1) {	84	while (1) {
83	ch = ((volatile char ) MSIM_KBD_ADDRESS);	85	ch = ((volatile char ) MSIM_KBD_ADDRESS);
84	if (ch) {	86	if (ch) {
85	if (ch == '\r')	87	if (ch == '\r')
86	return '\n';	88	return '\n';
87	if (ch == 0x7f)	89	if (ch == 0x7f)
88	return '\b';	90	return '\b';
89	return ch;	91	return ch;
90	}	92	}
91	}	93	}
92	}	94	}
93		95
94	/** Process keyboard interrupt. */	96	/** Process keyboard interrupt. */
95	static void msim_irq_handler(irq_t irq, void arg, ...)	97	static void msim_irq_handler(irq_t irq, void arg, ...)
96	{	98	{
97	if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))	99	if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
98	ipc_irq_send_notif(irq);	100	ipc_irq_send_notif(irq);
99	else {	101	else {
100	char ch = 0;	102	char ch = 0;
101		103
102	ch = ((char ) MSIM_KBD_ADDRESS);	104	ch = ((char ) MSIM_KBD_ADDRESS);
103	if (ch =='\r')	105	if (ch =='\r')
104	ch = '\n';	106	ch = '\n';
105	if (ch == 0x7f)	107	if (ch == 0x7f)
106	ch = '\b';	108	ch = '\b';
107	chardev_push_character(&console, ch);	109	chardev_push_character(&console, ch);
108	}	110	}
109	}	111	}
110		112
111	static irq_ownership_t msim_claim(void)	113	static irq_ownership_t msim_claim(void)
112	{	114	{
113	return IRQ_ACCEPT;	115	return IRQ_ACCEPT;
114	}	116	}
115		117
116	void msim_kbd_grab(void)	118	void msim_kbd_grab(void)
117	{	119	{
118	ipl_t ipl = interrupts_disable();	120	ipl_t ipl = interrupts_disable();
119	spinlock_lock(&msim_irq.lock);	121	spinlock_lock(&msim_irq.lock);
120	msim_irq.notif_cfg.notify = false;	122	msim_irq.notif_cfg.notify = false;
121	spinlock_unlock(&msim_irq.lock);	123	spinlock_unlock(&msim_irq.lock);
122	interrupts_restore(ipl);	124	interrupts_restore(ipl);
123	}	125	}
124		126
125	void msim_kbd_release(void)	127	void msim_kbd_release(void)
126	{	128	{
127	ipl_t ipl = interrupts_disable();	129	ipl_t ipl = interrupts_disable();
128	spinlock_lock(&msim_irq.lock);	130	spinlock_lock(&msim_irq.lock);
129	if (msim_irq.notif_cfg.answerbox)	131	if (msim_irq.notif_cfg.answerbox)
130	msim_irq.notif_cfg.notify = true;	132	msim_irq.notif_cfg.notify = true;
131	spinlock_unlock(&msim_irq.lock);	133	spinlock_unlock(&msim_irq.lock);
132	interrupts_restore(ipl);	134	interrupts_restore(ipl);
133	}	135	}
134		136
135		137
136	/* Return console object representing msim console */	138	/* Return console object representing msim console */
137	void msim_console(devno_t devno)	139	void msim_console(devno_t devno)
138	{	140	{
139	chardev_initialize("msim_console", &console, &msim_ops);	141	chardev_initialize("msim_console", &console, &msim_ops);
140	stdin = &console;	142	stdin = &console;
141	stdout = &console;	143	stdout = &console;
142		144
143	irq_initialize(&msim_irq);	145	irq_initialize(&msim_irq);
144	msim_irq.devno = devno;	146	msim_irq.devno = devno;
145	msim_irq.inr = MSIM_KBD_IRQ;	147	msim_irq.inr = MSIM_KBD_IRQ;
146	msim_irq.claim = msim_claim;	148	msim_irq.claim = msim_claim;
147	msim_irq.handler = msim_irq_handler;	149	msim_irq.handler = msim_irq_handler;
148	irq_register(&msim_irq);	150	irq_register(&msim_irq);
149		151
150	cp0_unmask_int(MSIM_KBD_IRQ);	152	cp0_unmask_int(MSIM_KBD_IRQ);
151		153
152	sysinfo_set_item_val("kbd", NULL, true);	154	sysinfo_set_item_val("kbd", NULL, true);
153	sysinfo_set_item_val("kbd.devno", NULL, devno);	155	sysinfo_set_item_val("kbd.devno", NULL, devno);
154	sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);	156	sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);
155	sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);	157	sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
-		158
-		159	msim_parea.pbase = KA2PA(MSIM_VIDEORAM);
-		160	msim_parea.vbase = MSIM_VIDEORAM;
-		161	msim_parea.frames = 1;
-		162	msim_parea.cacheable = false;
-		163	ddi_parea_register(&msim_parea);
-		164
-		165	sysinfo_set_item_val("fb", NULL, true);
-		166	sysinfo_set_item_val("fb.kind", NULL, 3);
-		167	sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(MSIM_VIDEORAM));
156	}	168	}
157		169
158	/** @}	170	/** @}
159	*/	171	*/
160		172

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/mips32/src/drivers/msim.c @ 3844 – Rev 3228 → 3234