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>
#include <arch/mm/frame.h>
#include <mm/frame.h>
#include <interrupt.h>
#include <align.h>
#include <console/console.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);
 
/** 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++)
        arc_putchar(c->identifier[i]);
    arc_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 * ARC_FRAME,
               desc->basecount*ARC_FRAME/1024);
        desc = arc_entry->getmemorydescriptor(desc);
    }
}
 
/** Print charactor to console */
static 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);
   
}
 
/** Initialize ARC structure
 *
 * @return 0 - ARC OK, -1 - ARC does not exist
 */
int arc_init(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');
}
 
static bool kbd_polling_enabled;
static chardev_t console;
 
/** Try to get character, return character or -1 if not available */
static void arc_keyboard_poll(void)
{
    char ch;
    __u32 count;
    long result;
   
    if (! kbd_polling_enabled)
        return;
 
    if (arc_entry->getreadstatus(0))
        return;
    result = arc_entry->read(0, &ch, 1, &count);
    if (result || count!=1) {
        return;
    }
    if (ch == '\r')
        ch = '\n';
    if (ch == 0x7f)
        ch = '\b';
   
    chardev_push_character(&console, ch);
}
 
static void arc_write(chardev_t *dev, const char ch)
{
    arc_putchar(ch);
}
 
static void arc_enable(chardev_t *dev)
{
    kbd_polling_enabled = true;
}
 
static void arc_disable(chardev_t *dev)
{
    kbd_polling_enabled = false;
}
 
static chardev_operations_t arc_ops = {
    .resume = arc_enable,
    .suspend = arc_disable,
    .write = arc_write
};
 
iroutine old_timer;
/** Do polling on timer interrupt */
static void timer_replace(int n, void *stack)
{
    arc_keyboard_poll();
    old_timer(n, stack);
    arc_keyboard_poll();
}
 
 
void arc_console(void)
{
    kbd_polling_enabled = true;
   
    chardev_initialize("arc_console", &console, &arc_ops);
    old_timer = int_register(TIMER_IRQ, "arc_kb_poll", timer_replace);
    stdin = &console;
    stdout = &console;
}
 
/* Initialize frame zones from ARC firmware.
 * In the future we may use even the FirmwareTemporary regions,
 * currently we use the FreeMemory (what about the LoadedProgram?)
 */
void arc_frame_init(void)
{
    arc_memdescriptor_t *desc;
    int total = 0;
    __address base;
    size_t basesize;
    unsigned int i,j;
 
    desc = arc_entry->getmemorydescriptor(NULL);
    while (desc) {
        if (desc->type == FreeMemory ||
            desc->type == FreeContiguous) {
            base = desc->basepage*ARC_FRAME;
            basesize = desc->basecount*ARC_FRAME;
 
            if (base % FRAME_SIZE ) {
                basesize -= FRAME_SIZE - (base % FRAME_SIZE);
                base = ALIGN_UP(base, FRAME_SIZE);
            }
            basesize = ALIGN_DOWN(basesize, FRAME_SIZE);
 
            total += basesize;
            zone_create_in_region(base, basesize);
        }
        desc = arc_entry->getmemorydescriptor(desc);
    }
 
    config.memory_size = total;
}
 
 

Rev 605	Rev 606
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	#include <arch/mm/frame.h>	34	#include <arch/mm/frame.h>
35	#include <mm/frame.h>	35	#include <mm/frame.h>
36	#include <interrupt.h>	36	#include <interrupt.h>
37	#include <align.h>	37	#include <align.h>
-		38	#include <console/console.h>
38		39
39	/* This is a good joke, SGI HAS different types than NT bioses... */	40	/* This is a good joke, SGI HAS different types than NT bioses... */
40	/* Here is the SGI type */	41	/* Here is the SGI type */
41	static char *basetypes[] = {	42	static char *basetypes[] = {
42	"ExceptionBlock",	43	"ExceptionBlock",
43	"SystemParameterBlock",	44	"SystemParameterBlock",
44	"FreeContiguous",	45	"FreeContiguous",
45	"FreeMemory",	46	"FreeMemory",
46	"BadMemory",	47	"BadMemory",
47	"LoadedProgram",	48	"LoadedProgram",
48	"FirmwareTemporary",	49	"FirmwareTemporary",
49	"FirmwarePermanent"	50	"FirmwarePermanent"
50	};	51	};
51		52
52	static char *ctypes[] = {	53	static char *ctypes[] = {
53	"ARC_type",	54	"ARC_type",
54	"CPU_type",	55	"CPU_type",
55	"FPU_type",	56	"FPU_type",
56	"PrimaryICache",	57	"PrimaryICache",
57	"PrimaryDCache",	58	"PrimaryDCache",
58	"SecondaryICache",	59	"SecondaryICache",
59	"SecondaryDCache",	60	"SecondaryDCache",
60	"SecondaryCache",	61	"SecondaryCache",
61	"Memory",	62	"Memory",
62	"EISAAdapter",	63	"EISAAdapter",
63	"TCAdapter",	64	"TCAdapter",
64	"SCSIAdapter",	65	"SCSIAdapter",
65	"DTIAdapter",	66	"DTIAdapter",
66	"MultiFunctionAdapter",	67	"MultiFunctionAdapter",
67	"DiskController",	68	"DiskController",
68	"TapeController",	69	"TapeController",
69	"CDROMController",	70	"CDROMController",
70	"WORMController",	71	"WORMController",
71	"SerialController",	72	"SerialController",
72	"NetworkController",	73	"NetworkController",
73	"DisplayController",	74	"DisplayController",
74	"ParallelController",	75	"ParallelController",
75	"PointerController",	76	"PointerController",
76	"KeyboardController",	77	"KeyboardController",
77	"AudioController",	78	"AudioController",
78	"OtherController",	79	"OtherController",
79	"DiskPeripheral",	80	"DiskPeripheral",
80	"FloppyDiskPeripheral",	81	"FloppyDiskPeripheral",
81	"TapePeripheral",	82	"TapePeripheral",
82	"ModemPeripheral",	83	"ModemPeripheral",
83	"MonitorPeripheral",	84	"MonitorPeripheral",
84	"PrinterPeripheral",	85	"PrinterPeripheral",
85	"PointerPeripheral",	86	"PointerPeripheral",
86	"KeyboardPeripheral",	87	"KeyboardPeripheral",
87	"TerminalPeripheral",	88	"TerminalPeripheral",
88	"OtherPeripheral",	89	"OtherPeripheral",
89	"LinePeripheral",	90	"LinePeripheral",
90	"NetworkPeripheral"	91	"NetworkPeripheral"
91	"OtherPeripheral",	92	"OtherPeripheral",
92	"XTalkAdapter",	93	"XTalkAdapter",
93	"PCIAdapter",	94	"PCIAdapter",
94	"GIOAdapter",	95	"GIOAdapter",
95	"TPUAdapter",	96	"TPUAdapter",
96	"Anonymous"	97	"Anonymous"
97	};	98	};
98		99
99	static arc_sbp sbp = (arc_sbp )PA2KA(0x1000);	100	static arc_sbp sbp = (arc_sbp )PA2KA(0x1000);
100	static arc_func_vector_t *arc_entry;	101	static arc_func_vector_t *arc_entry;
101		102
102		103
103	static void arc_putchar(char ch);	104	static void arc_putchar(char ch);
104		105
105	/** Return true if ARC is available */	106	/** Return true if ARC is available */
106	int arc_enabled(void)	107	int arc_enabled(void)
107	{	108	{
108	return sbp != NULL;	109	return sbp != NULL;
109	}	110	}
110		111
111	static void arc_print_component(arc_component *c)	112	static void arc_print_component(arc_component *c)
112	{	113	{
113	int i;	114	int i;
114		115
115	printf("%s: ",ctypes[c->type]);	116	printf("%s: ",ctypes[c->type]);
116	for (i=0;i < c->identifier_len;i++)	117	for (i=0;i < c->identifier_len;i++)
117	arc_putchar(c->identifier[i]);	118	arc_putchar(c->identifier[i]);
118	arc_putchar('\n');	119	arc_putchar('\n');
119	}	120	}
120		121
121	void arc_print_devices(void)	122	void arc_print_devices(void)
122	{	123	{
123	arc_component c,next;	124	arc_component c,next;
124		125
125	if (!arc_enabled())	126	if (!arc_enabled())
126	return;	127	return;
127		128
128	c = arc_entry->getchild(NULL);	129	c = arc_entry->getchild(NULL);
129	while (c) {	130	while (c) {
130	arc_print_component(c);	131	arc_print_component(c);
131	next = arc_entry->getchild(c);	132	next = arc_entry->getchild(c);
132	while (!next) {	133	while (!next) {
133	next = arc_entry->getpeer(c);	134	next = arc_entry->getpeer(c);
134	if (!next)	135	if (!next)
135	c = arc_entry->getparent(c);	136	c = arc_entry->getparent(c);
136	if (!c)	137	if (!c)
137	return;	138	return;
138	}	139	}
139	c = next;	140	c = next;
140	}	141	}
141	}	142	}
142		143
143	void arc_print_memory_map(void)	144	void arc_print_memory_map(void)
144	{	145	{
145	arc_memdescriptor_t *desc;	146	arc_memdescriptor_t *desc;
146		147
147	if (!arc_enabled())	148	if (!arc_enabled())
148	return;	149	return;
149		150
150	printf("Memory map:\n");	151	printf("Memory map:\n");
151		152
152	desc = arc_entry->getmemorydescriptor(NULL);	153	desc = arc_entry->getmemorydescriptor(NULL);
153	while (desc) {	154	while (desc) {
154	printf("%s: %d (size: %dKB)\n",basetypes[desc->type],	155	printf("%s: %d (size: %dKB)\n",basetypes[desc->type],
155	desc->basepage * ARC_FRAME,	156	desc->basepage * ARC_FRAME,
156	desc->basecount*ARC_FRAME/1024);	157	desc->basecount*ARC_FRAME/1024);
157	desc = arc_entry->getmemorydescriptor(desc);	158	desc = arc_entry->getmemorydescriptor(desc);
158	}	159	}
159	}	160	}
160		161
161	/** Print charactor to console */	162	/** Print charactor to console */
162	static void arc_putchar(char ch)	163	static void arc_putchar(char ch)
163	{	164	{
164	__u32 cnt;	165	__u32 cnt;
165	ipl_t ipl;	166	ipl_t ipl;
166		167
167	/* TODO: Should be spinlock? */	168	/* TODO: Should be spinlock? */
168	ipl = interrupts_disable();	169	ipl = interrupts_disable();
169	arc_entry->write(1, &ch, 1, &cnt);	170	arc_entry->write(1, &ch, 1, &cnt);
170	interrupts_restore(ipl);	171	interrupts_restore(ipl);
171		172
172	}	173	}
173		174
174	/** Initialize ARC structure	175	/** Initialize ARC structure
175	*	176	*
176	* @return 0 - ARC OK, -1 - ARC does not exist	177	* @return 0 - ARC OK, -1 - ARC does not exist
177	*/	178	*/
178	int arc_init(void)	179	int arc_init(void)
179	{	180	{
180	if (sbp->signature != ARC_MAGIC) {	181	if (sbp->signature != ARC_MAGIC) {
181	sbp = NULL;	182	sbp = NULL;
182	return -1;	183	return -1;
183	}	184	}
184	arc_entry = sbp->firmwarevector;	185	arc_entry = sbp->firmwarevector;
185		186
186	arc_putchar('A');	187	arc_putchar('A');
187	arc_putchar('R');	188	arc_putchar('R');
188	arc_putchar('C');	189	arc_putchar('C');
189	arc_putchar('\n');	190	arc_putchar('\n');
190	}	191	}
191		192
192	static bool kbd_polling_enabled;	193	static bool kbd_polling_enabled;
193	static chardev_t console;	194	static chardev_t console;
194		195
195	/** Try to get character, return character or -1 if not available */	196	/** Try to get character, return character or -1 if not available */
196	static void arc_keyboard_poll(void)	197	static void arc_keyboard_poll(void)
197	{	198	{
198	char ch;	199	char ch;
199	__u32 count;	200	__u32 count;
200	long result;	201	long result;
201		202
202	if (! kbd_polling_enabled)	203	if (! kbd_polling_enabled)
203	return;	204	return;
204		205
205	if (arc_entry->getreadstatus(0))	206	if (arc_entry->getreadstatus(0))
206	return;	207	return;
207	result = arc_entry->read(0, &ch, 1, &count);	208	result = arc_entry->read(0, &ch, 1, &count);
208	if (result \|\| count!=1) {	209	if (result \|\| count!=1) {
209	return;	210	return;
210	}	211	}
211	if (ch == '\r')	212	if (ch == '\r')
212	ch = '\n';	213	ch = '\n';
213	if (ch == 0x7f)	214	if (ch == 0x7f)
214	ch = '\b';	215	ch = '\b';
215		216
216	chardev_push_character(&console, ch);	217	chardev_push_character(&console, ch);
217	}	218	}
218		219
219	static void arc_write(chardev_t *dev, const char ch)	220	static void arc_write(chardev_t *dev, const char ch)
220	{	221	{
221	arc_putchar(ch);	222	arc_putchar(ch);
222	}	223	}
223		224
224	static void arc_enable(chardev_t *dev)	225	static void arc_enable(chardev_t *dev)
225	{	226	{
226	kbd_polling_enabled = true;	227	kbd_polling_enabled = true;
227	}	228	}
228		229
229	static void arc_disable(chardev_t *dev)	230	static void arc_disable(chardev_t *dev)
230	{	231	{
231	kbd_polling_enabled = false;	232	kbd_polling_enabled = false;
232	}	233	}
233		234
234	static chardev_operations_t arc_ops = {	235	static chardev_operations_t arc_ops = {
235	.resume = arc_enable,	236	.resume = arc_enable,
236	.suspend = arc_disable,	237	.suspend = arc_disable,
237	.write = arc_write	238	.write = arc_write
238	};	239	};
239		240
240	iroutine old_timer;	241	iroutine old_timer;
241	/** Do polling on timer interrupt */	242	/** Do polling on timer interrupt */
242	static void timer_replace(int n, void *stack)	243	static void timer_replace(int n, void *stack)
243	{	244	{
244	arc_keyboard_poll();	245	arc_keyboard_poll();
245	old_timer(n, stack);	246	old_timer(n, stack);
246	arc_keyboard_poll();	247	arc_keyboard_poll();
247	}	248	}
248		249
249		-
250	chardev_t * arc_console(void)	250	void arc_console(void)
251	{	251	{
252	kbd_polling_enabled = true;	252	kbd_polling_enabled = true;
253		253
254	chardev_initialize("arc_console", &console, &arc_ops);	254	chardev_initialize("arc_console", &console, &arc_ops);
255	old_timer = int_register(TIMER_IRQ, "arc_kb_poll", timer_replace);	255	old_timer = int_register(TIMER_IRQ, "arc_kb_poll", timer_replace);
256	return &console;	256	stdin = &console;
-		257	stdout = &console;
257	}	258	}
258		259
259	/* Initialize frame zones from ARC firmware.	260	/* Initialize frame zones from ARC firmware.
260	* In the future we may use even the FirmwareTemporary regions,	261	* In the future we may use even the FirmwareTemporary regions,
261	* currently we use the FreeMemory (what about the LoadedProgram?)	262	* currently we use the FreeMemory (what about the LoadedProgram?)
262	*/	263	*/
263	void arc_frame_init(void)	264	void arc_frame_init(void)
264	{	265	{
265	arc_memdescriptor_t *desc;	266	arc_memdescriptor_t *desc;
266	int total = 0;	267	int total = 0;
267	__address base;	268	__address base;
268	size_t basesize;	269	size_t basesize;
269	unsigned int i,j;	270	unsigned int i,j;
270		271
271	desc = arc_entry->getmemorydescriptor(NULL);	272	desc = arc_entry->getmemorydescriptor(NULL);
272	while (desc) {	273	while (desc) {
273	if (desc->type == FreeMemory \|\|	274	if (desc->type == FreeMemory \|\|
274	desc->type == FreeContiguous) {	275	desc->type == FreeContiguous) {
275	base = desc->basepage*ARC_FRAME;	276	base = desc->basepage*ARC_FRAME;
276	basesize = desc->basecount*ARC_FRAME;	277	basesize = desc->basecount*ARC_FRAME;
277		278
278	if (base % FRAME_SIZE ) {	279	if (base % FRAME_SIZE ) {
279	basesize -= FRAME_SIZE - (base % FRAME_SIZE);	280	basesize -= FRAME_SIZE - (base % FRAME_SIZE);
280	base = ALIGN_UP(base, FRAME_SIZE);	281	base = ALIGN_UP(base, FRAME_SIZE);
281	}	282	}
282	basesize = ALIGN_DOWN(basesize, FRAME_SIZE);	283	basesize = ALIGN_DOWN(basesize, FRAME_SIZE);
283		284
284	total += basesize;	285	total += basesize;
285	zone_create_in_region(base, basesize);	286	zone_create_in_region(base, basesize);
286	}	287	}
287	desc = arc_entry->getmemorydescriptor(desc);	288	desc = arc_entry->getmemorydescriptor(desc);
288	}	289	}
289		290
290	config.memory_size = total;	291	config.memory_size = total;
291	}	292	}
292		293
293		294

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/mips32/src/drivers/arc.c – Rev 605 → 606