WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/mips32/src/drivers/arc.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.
 */
 
#include <arch/drivers/arc.h>
#include <arch/mm/page.h>
#include <print.h>
#include <arch.h>
#include <arch/byteorder.h>
 
/* This is a good joke, SGI HAS different types than NT bioses... */
/* Here is the SGI type */
static char *basetypes[] = {
    "ExceptionBlock",
    "SystemParameterBlock",
    "FreeContiguous",
    "FreeMemory",
    "BadMemory",
    "LoadedProgram",
    "FirmwareTemporary",
    "FirmwarePermanent"
};
 
static char *ctypes[] = {
    "ARC_type",
    "CPU_type",
    "FPU_type",
    "PrimaryICache",
    "PrimaryDCache",
    "SecondaryICache",
    "SecondaryDCache",
    "SecondaryCache",
    "Memory",
    "EISAAdapter",
    "TCAdapter",
    "SCSIAdapter",
    "DTIAdapter",
    "MultiFunctionAdapter",
    "DiskController",
    "TapeController",
    "CDROMController",
    "WORMController",
    "SerialController",
    "NetworkController",
    "DisplayController",
    "ParallelController",
    "PointerController",
    "KeyboardController",
    "AudioController",
    "OtherController",
    "DiskPeripheral",
    "FloppyDiskPeripheral",
    "TapePeripheral",
    "ModemPeripheral",
    "MonitorPeripheral",
    "PrinterPeripheral",
    "PointerPeripheral",
    "KeyboardPeripheral",
    "TerminalPeripheral",
    "OtherPeripheral",
    "LinePeripheral",
    "NetworkPeripheral"
    "OtherPeripheral",
    "XTalkAdapter",
    "PCIAdapter",
    "GIOAdapter",
    "TPUAdapter",
    "Anonymous"
};
 
static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000);
static arc_func_vector_t *arc_entry;
 
static void _arc_putchar(char ch);
 
/** Initialize ARC structure
 *
 * @return 0 - ARC OK, -1 - ARC does not exist
 */
int init_arc(void)
{
    if (sbp->signature != ARC_MAGIC) {
        sbp = NULL;
        return -1;
    }
    arc_entry = sbp->firmwarevector;
 
    arc_putchar('A');
    arc_putchar('R');
    arc_putchar('C');
    arc_putchar('\n');
}
 
/** Return true if ARC is available */
int arc_enabled(void)
{
    return sbp != NULL;
}
 
static void arc_print_component(arc_component *c)
{
    int i;
 
    printf("%s: ",ctypes[c->type]);
    for (i=0;i < c->identifier_len;i++)
        putchar(c->identifier[i]);
    putchar('\n');
}
 
void arc_print_devices(void)
{
    arc_component *c,*next;
 
    if (!arc_enabled())
        return;
 
    c = arc_entry->getchild(NULL);
    while (c) {
        arc_print_component(c);
        next = arc_entry->getchild(c);
        while (!next) {
            next = arc_entry->getpeer(c);
            if (!next)
                c = arc_entry->getparent(c);
            if (!c)
                return;
        }
        c = next;
    }
}
 
void arc_print_memory_map(void)
{
    arc_memdescriptor_t *desc;
 
    if (!arc_enabled())
        return;
 
    printf("Memory map:\n");
 
    desc = arc_entry->getmemorydescriptor(NULL);
    while (desc) {
        printf("%s: %d (size: %dKB)\n",basetypes[desc->type],
               desc->basepage * 4096,
               desc->basecount*4);
        desc = arc_entry->getmemorydescriptor(desc);
    }
}
 
/** Print charactor to console */
void arc_putchar(char ch)
{
    __u32 cnt;
    ipl_t ipl;
 
    /* TODO: Should be spinlock? */
    ipl = interrupts_disable();
    arc_entry->write(1, &ch, 1, &cnt);
    interrupts_restore(ipl);
   
}
 
/** Try to get character, return character or -1 if not available */
int arc_getchar(void)
{
    char ch;
    __u32 count;
    long result;
 
    if (arc_entry->getreadstatus(0))
        return -1;
    result = arc_entry->read(0, &ch, 1, &count);
    if (result || count!=1) {
        cpu_halt();
        return -1;
    }
    if (ch == '\r')
        return '\n';
    return ch;
}
 

Rev 534	Rev 567
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	#include <arch/drivers/arc.h>	29	#include <arch/drivers/arc.h>
30	#include <arch/mm/page.h>	30	#include <arch/mm/page.h>
31	#include <print.h>	31	#include <print.h>
32	#include <arch.h>	32	#include <arch.h>
33	#include <arch/byteorder.h>	33	#include <arch/byteorder.h>
34		34
35	/* This is a good joke, SGI HAS different types than NT bioses... */	35	/* This is a good joke, SGI HAS different types than NT bioses... */
36	/* Here is the SGI type */	36	/* Here is the SGI type */
37	static char *basetypes[] = {	37	static char *basetypes[] = {
38	"ExceptionBlock",	38	"ExceptionBlock",
39	"SystemParameterBlock",	39	"SystemParameterBlock",
40	"FreeContiguous",	40	"FreeContiguous",
41	"FreeMemory",	41	"FreeMemory",
42	"BadMemory",	42	"BadMemory",
43	"LoadedProgram",	43	"LoadedProgram",
44	"FirmwareTemporary",	44	"FirmwareTemporary",
45	"FirmwarePermanent"	45	"FirmwarePermanent"
46	};	46	};
47		47
48	static char *ctypes[] = {	48	static char *ctypes[] = {
49	"ARC_type",	49	"ARC_type",
50	"CPU_type",	50	"CPU_type",
51	"FPU_type",	51	"FPU_type",
52	"PrimaryICache",	52	"PrimaryICache",
53	"PrimaryDCache",	53	"PrimaryDCache",
54	"SecondaryICache",	54	"SecondaryICache",
55	"SecondaryDCache",	55	"SecondaryDCache",
56	"SecondaryCache",	56	"SecondaryCache",
57	"Memory",	57	"Memory",
58	"EISAAdapter",	58	"EISAAdapter",
59	"TCAdapter",	59	"TCAdapter",
60	"SCSIAdapter",	60	"SCSIAdapter",
61	"DTIAdapter",	61	"DTIAdapter",
62	"MultiFunctionAdapter",	62	"MultiFunctionAdapter",
63	"DiskController",	63	"DiskController",
64	"TapeController",	64	"TapeController",
65	"CDROMController",	65	"CDROMController",
66	"WORMController",	66	"WORMController",
67	"SerialController",	67	"SerialController",
68	"NetworkController",	68	"NetworkController",
69	"DisplayController",	69	"DisplayController",
70	"ParallelController",	70	"ParallelController",
71	"PointerController",	71	"PointerController",
72	"KeyboardController",	72	"KeyboardController",
73	"AudioController",	73	"AudioController",
74	"OtherController",	74	"OtherController",
75	"DiskPeripheral",	75	"DiskPeripheral",
76	"FloppyDiskPeripheral",	76	"FloppyDiskPeripheral",
77	"TapePeripheral",	77	"TapePeripheral",
78	"ModemPeripheral",	78	"ModemPeripheral",
79	"MonitorPeripheral",	79	"MonitorPeripheral",
80	"PrinterPeripheral",	80	"PrinterPeripheral",
81	"PointerPeripheral",	81	"PointerPeripheral",
82	"KeyboardPeripheral",	82	"KeyboardPeripheral",
83	"TerminalPeripheral",	83	"TerminalPeripheral",
84	"OtherPeripheral",	84	"OtherPeripheral",
85	"LinePeripheral",	85	"LinePeripheral",
86	"NetworkPeripheral"	86	"NetworkPeripheral"
87	"OtherPeripheral",	87	"OtherPeripheral",
88	"XTalkAdapter",	88	"XTalkAdapter",
89	"PCIAdapter",	89	"PCIAdapter",
90	"GIOAdapter",	90	"GIOAdapter",
91	"TPUAdapter",	91	"TPUAdapter",
92	"Anonymous"	92	"Anonymous"
93	};	93	};
94		94
95	static arc_sbp sbp = (arc_sbp )PA2KA(0x1000);	95	static arc_sbp sbp = (arc_sbp )PA2KA(0x1000);
96	static arc_func_vector_t *arc_entry;	96	static arc_func_vector_t *arc_entry;
97		97
98	static void _arc_putchar(char ch);	98	static void _arc_putchar(char ch);
99		99
100	/** Initialize ARC structure	100	/** Initialize ARC structure
101	*	101	*
102	* @return 0 - ARC OK, -1 - ARC does not exist	102	* @return 0 - ARC OK, -1 - ARC does not exist
103	*/	103	*/
104	int init_arc(void)	104	int init_arc(void)
105	{	105	{
106	if (sbp->signature != ARC_MAGIC) {	106	if (sbp->signature != ARC_MAGIC) {
107	sbp = NULL;	107	sbp = NULL;
108	return -1;	108	return -1;
109	}	109	}
110	arc_entry = sbp->firmwarevector;	110	arc_entry = sbp->firmwarevector;
111		111
112	arc_putchar('A');	112	arc_putchar('A');
113	arc_putchar('R');	113	arc_putchar('R');
114	arc_putchar('C');	114	arc_putchar('C');
115	arc_putchar('\n');	115	arc_putchar('\n');
116	}	116	}
117		117
118	/** Return true if ARC is available */	118	/** Return true if ARC is available */
119	int arc_enabled(void)	119	int arc_enabled(void)
120	{	120	{
121	return sbp != NULL;	121	return sbp != NULL;
122	}	122	}
123		123
124	static void arc_print_component(arc_component *c)	124	static void arc_print_component(arc_component *c)
125	{	125	{
126	int i;	126	int i;
127		127
128	printf("%s: ",ctypes[c->type]);	128	printf("%s: ",ctypes[c->type]);
129	for (i=0;i < c->identifier_len;i++)	129	for (i=0;i < c->identifier_len;i++)
130	putchar(c->identifier[i]);	130	putchar(c->identifier[i]);
131	putchar('\n');	131	putchar('\n');
132	}	132	}
133		133
134	void arc_print_devices(void)	134	void arc_print_devices(void)
135	{	135	{
136	arc_component c,next;	136	arc_component c,next;
137		137
138	if (!arc_enabled())	138	if (!arc_enabled())
139	return;	139	return;
140		140
141	c = arc_entry->getchild(NULL);	141	c = arc_entry->getchild(NULL);
142	while (c) {	142	while (c) {
143	arc_print_component(c);	143	arc_print_component(c);
144	next = arc_entry->getchild(c);	144	next = arc_entry->getchild(c);
145	while (!next) {	145	while (!next) {
146	next = arc_entry->getpeer(c);	146	next = arc_entry->getpeer(c);
147	if (!next)	147	if (!next)
148	c = arc_entry->getparent(c);	148	c = arc_entry->getparent(c);
149	if (!c)	149	if (!c)
150	return;	150	return;
151	}	151	}
152	c = next;	152	c = next;
153	}	153	}
154	}	154	}
155		155
156	void arc_print_memory_map(void)	156	void arc_print_memory_map(void)
157	{	157	{
158	arc_memdescriptor_t *desc;	158	arc_memdescriptor_t *desc;
159		159
160	if (!arc_enabled())	160	if (!arc_enabled())
161	return;	161	return;
162		162
163	printf("Memory map:\n");	163	printf("Memory map:\n");
164		164
165	desc = arc_entry->getmemorydescriptor(NULL);	165	desc = arc_entry->getmemorydescriptor(NULL);
166	while (desc) {	166	while (desc) {
167	printf("%s: %d (size: %dKB)\n",basetypes[desc->type],	167	printf("%s: %d (size: %dKB)\n",basetypes[desc->type],
168	desc->basepage * 4096,	168	desc->basepage * 4096,
169	desc->basecount*4);	169	desc->basecount*4);
170	desc = arc_entry->getmemorydescriptor(desc);	170	desc = arc_entry->getmemorydescriptor(desc);
171	}	171	}
172	}	172	}
173		173
174	/** Print charactor to console */	174	/** Print charactor to console */
175	void arc_putchar(char ch)	175	void arc_putchar(char ch)
176	{	176	{
177	__u32 cnt;	177	__u32 cnt;
178	ipl_t ipl;	178	ipl_t ipl;
179		179
180	/* TODO: Should be spinlock? */	180	/* TODO: Should be spinlock? */
181	ipl = interrupts_disable();	181	ipl = interrupts_disable();
182	arc_entry->write(1, &ch, 1, &cnt);	182	arc_entry->write(1, &ch, 1, &cnt);
183	interrupts_restore(ipl);	183	interrupts_restore(ipl);
184		184
185	}	185	}
-		186
-		187	/** Try to get character, return character or -1 if not available */
-		188	int arc_getchar(void)
-		189	{
-		190	char ch;
-		191	__u32 count;
-		192	long result;
-		193
-		194	if (arc_entry->getreadstatus(0))
-		195	return -1;
-		196	result = arc_entry->read(0, &ch, 1, &count);
-		197	if (result \|\| count!=1) {
-		198	cpu_halt();
-		199	return -1;
-		200	}
-		201	if (ch == '\r')
-		202	return '\n';
-		203	return ch;
-		204	}
186		205

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(root)/kernel/trunk/arch/mips32/src/drivers/arc.c – Rev 534 → 567