WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia64/src/smp/smp.c


/*
 * Copyright (c) 2005 Jakub Vana
 * 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 ia64
 * @{
 */
/** @file
 */
 
#include <arch.h>
#include <arch/ski/ski.h>
#include <arch/drivers/it.h>
#include <arch/interrupt.h>
#include <arch/barrier.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <arch/types.h>
#include <arch/context.h>
#include <arch/stack.h>
#include <arch/mm/page.h>
#include <mm/as.h>
#include <config.h>
#include <userspace.h>
#include <console/console.h>
#include <proc/uarg.h>
#include <syscall/syscall.h>
#include <ddi/irq.h>
#include <ddi/device.h>
#include <arch/drivers/ega.h>
#include <arch/bootinfo.h>
#include <genarch/kbd/i8042.h>
#include <genarch/kbd/ns16550.h>
#include <smp/smp.h>
#include <smp/ipi.h>
#include <arch/atomic.h>
#include <panic.h>
#include <print.h>
 
#ifdef CONFIG_SMP
 
extern char cpu_by_id_eid_list[256][256];
 
static void sapic_init(void)
{
    bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) |
        FW_OFFSET);
}
 
static void ipi_broadcast_arch_all(int ipi)
{
    int id, eid;
    int myid, myeid;
   
    myid = ia64_get_cpu_id();
    myeid = ia64_get_cpu_eid();
   
    for (id = 0; id < 256; id++)
        for (eid = 0; eid < 256; eid++)
            if ((id != myid) || (eid != myeid))
                ipi_send_ipi(id, eid, ipi);
}
 
void ipi_broadcast_arch(int ipi )
{
    int id, eid;
    int myid, myeid;
   
    myid = ia64_get_cpu_id();
    myeid = ia64_get_cpu_eid();
 
    for (id = 0; id < 256; id++)
        for (eid = 0; eid < 256; eid++)
            if ((id != myid) || (eid != myeid))
                if (cpu_by_id_eid_list[id][eid])
                    ipi_send_ipi(id, eid, ipi);
}
 
void smp_init(void)
{
    if (!bootinfo->hello_configured)
        return;
   
    /*
     * If we have not got system prepared by hello, we are not able to start
     * AP's. This means we are running on a simulator.
     */
   
    sapic_init();
    ipi_broadcast_arch_all(bootinfo->wakeup_intno);
    volatile long long brk;
        for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++)
        ;   /* wait a while before CPUs starts */
 
    config.cpu_count = 0;
    int id, eid;
   
    for (id = 0; id < 256; id++)
        for (eid = 0; eid < 256; eid++)
                if (cpu_by_id_eid_list[id][eid] == 1) {
                    config.cpu_count++;
                    cpu_by_id_eid_list[id][eid] = 2;
            }
}
 
void kmp(void *arg __attribute__((unused)))
{
    int id, eid;
    int myid, myeid;
   
    myid = ia64_get_cpu_id();
    myeid = ia64_get_cpu_eid();
 
    for (id = 0; id < 256; id++)
        for (eid = 0; eid < 256; eid++)
                if ((id != myid) || (eid != myeid))
                    if (cpu_by_id_eid_list[id][eid] != 0) {
                        if (cpu_by_id_eid_list[id][eid] == 1) {
                            printf("Found Late CPU ID:%d "
                            "EDI:%d Not added to "
                            "system!!!\n", id, eid);
                            continue;
                    }
                    cpu_by_id_eid_list[id][eid] = 3;
                    /*
                     * There may be just one AP being
                     * initialized at the time. After
                     * it comes completely up, it is
                     * supposed to wake us up.
                     */
                    if (waitq_sleep_timeout(
                        &ap_completion_wq, 1000000,
                        SYNCH_FLAGS_NONE) ==
                        ESYNCH_TIMEOUT) {
                        printf("%s: waiting for cpu "
                            "ID:%d EID:%d timed out\n",
                            __FUNCTION__, id, eid);
                        }
                }
}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#endif
 
/** @}
 */
 
 

Rev 3766	Rev 3782
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Vana	2	* Copyright (c) 2005 Jakub Vana
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 ia64	29	/** @addtogroup ia64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36	#include <arch/ski/ski.h>	36	#include <arch/ski/ski.h>
37	#include <arch/drivers/it.h>	37	#include <arch/drivers/it.h>
38	#include <arch/interrupt.h>	38	#include <arch/interrupt.h>
39	#include <arch/barrier.h>	39	#include <arch/barrier.h>
40	#include <arch/asm.h>	40	#include <arch/asm.h>
41	#include <arch/register.h>	41	#include <arch/register.h>
42	#include <arch/types.h>	42	#include <arch/types.h>
43	#include <arch/context.h>	43	#include <arch/context.h>
44	#include <arch/stack.h>	44	#include <arch/stack.h>
45	#include <arch/mm/page.h>	45	#include <arch/mm/page.h>
46	#include <mm/as.h>	46	#include <mm/as.h>
47	#include <config.h>	47	#include <config.h>
48	#include <userspace.h>	48	#include <userspace.h>
49	#include <console/console.h>	49	#include <console/console.h>
50	#include <proc/uarg.h>	50	#include <proc/uarg.h>
51	#include <syscall/syscall.h>	51	#include <syscall/syscall.h>
52	#include <ddi/irq.h>	52	#include <ddi/irq.h>
53	#include <ddi/device.h>	53	#include <ddi/device.h>
54	#include <arch/drivers/ega.h>	54	#include <arch/drivers/ega.h>
55	#include <arch/bootinfo.h>	55	#include <arch/bootinfo.h>
56	#include <genarch/kbd/i8042.h>	56	#include <genarch/kbd/i8042.h>
57	#include <genarch/kbd/ns16550.h>	57	#include <genarch/kbd/ns16550.h>
58	#include <smp/smp.h>	58	#include <smp/smp.h>
59	#include <smp/ipi.h>	59	#include <smp/ipi.h>
60	#include <arch/atomic.h>	60	#include <arch/atomic.h>
61	#include <panic.h>	61	#include <panic.h>
62	#include <print.h>	62	#include <print.h>
63		63
64	#ifdef CONFIG_SMP	64	#ifdef CONFIG_SMP
65		65
66	extern char cpu_by_id_eid_list[256][256];	66	extern char cpu_by_id_eid_list[256][256];
67		67
68	static void sapic_init(void)	68	static void sapic_init(void)
69	{	69	{
70	bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) \|	70	bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) \|
71	FW_OFFSET);	71	FW_OFFSET);
72	}	72	}
73		73
74	static void ipi_broadcast_arch_all(int ipi)	74	static void ipi_broadcast_arch_all(int ipi)
75	{	75	{
76	int id,eid;	76	int id, eid;
77	int myid, myeid;	77	int myid, myeid;
78		78
79	myid = ia64_get_cpu_id();	79	myid = ia64_get_cpu_id();
80	myeid = ia64_get_cpu_eid();	80	myeid = ia64_get_cpu_eid();
81		81
82	for (id = 0; id < 256; id++)	82	for (id = 0; id < 256; id++)
83	for (eid = 0; eid < 256; eid++)	83	for (eid = 0; eid < 256; eid++)
84	if ((id != myid) \|\| (eid != myeid))	84	if ((id != myid) \|\| (eid != myeid))
85	ipi_send_ipi(id, eid, ipi);	85	ipi_send_ipi(id, eid, ipi);
86	}	86	}
87		87
88	void ipi_broadcast_arch(int ipi )	88	void ipi_broadcast_arch(int ipi )
89	{	89	{
90	int id,eid;	90	int id, eid;
91	int myid,myeid;	91	int myid, myeid;
92		92
93	myid = ia64_get_cpu_id();	93	myid = ia64_get_cpu_id();
94	myeid = ia64_get_cpu_eid();	94	myeid = ia64_get_cpu_eid();
95		95
96	for (id = 0; id < 256; id++)	96	for (id = 0; id < 256; id++)
97	for (eid = 0; eid < 256; eid++)	97	for (eid = 0; eid < 256; eid++)
98	if ((id != myid) \|\| (eid != myeid))	98	if ((id != myid) \|\| (eid != myeid))
99	if (cpu_by_id_eid_list[id][eid])	99	if (cpu_by_id_eid_list[id][eid])
100	ipi_send_ipi(id, eid, ipi);	100	ipi_send_ipi(id, eid, ipi);
101	}	101	}
102		102
103	void smp_init(void)	103	void smp_init(void)
104	{	104	{
105	if (!bootinfo->hello_configured)	105	if (!bootinfo->hello_configured)
106	return;	106	return;
107		107
108	/*	108	/*
109	* If we have not system prepared by hello, we are not able to start	109	* If we have not got system prepared by hello, we are not able to start
110	* AP's. This means we are running on a simulator.	110	* AP's. This means we are running on a simulator.
111	*/	111	*/
112		112
113	sapic_init();	113	sapic_init();
114	ipi_broadcast_arch_all(bootinfo->wakeup_intno);	114	ipi_broadcast_arch_all(bootinfo->wakeup_intno);
115	volatile long long brk;	115	volatile long long brk;
116	for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++)	116	for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++)
117	; /* wait a while before CPUs starts */	117	; /* wait a while before CPUs starts */
118		118
119	config.cpu_count = 0;	119	config.cpu_count = 0;
120	int id, eid;	120	int id, eid;
121		121
122	for (id = 0; id < 256; id++)	122	for (id = 0; id < 256; id++)
123	for (eid = 0; eid < 256; eid++)	123	for (eid = 0; eid < 256; eid++)
124	if (cpu_by_id_eid_list[id][eid] == 1) {	124	if (cpu_by_id_eid_list[id][eid] == 1) {
125	config.cpu_count++;	125	config.cpu_count++;
126	cpu_by_id_eid_list[id][eid] = 2;	126	cpu_by_id_eid_list[id][eid] = 2;
127	}	127	}
128	}	128	}
129		129
130	void kmp(void *arg __attribute__((unused)))	130	void kmp(void *arg __attribute__((unused)))
131	{	131	{
132	int id,eid;	132	int id, eid;
133	int myid, myeid;	133	int myid, myeid;
134		134
135	myid = ia64_get_cpu_id();	135	myid = ia64_get_cpu_id();
136	myeid = ia64_get_cpu_eid();	136	myeid = ia64_get_cpu_eid();
137		137
138	for (id = 0; id < 256; id++)	138	for (id = 0; id < 256; id++)
139	for (eid = 0; eid < 256; eid++)	139	for (eid = 0; eid < 256; eid++)
140	if ((id != myid) \|\| (eid != myeid))	140	if ((id != myid) \|\| (eid != myeid))
141	if (cpu_by_id_eid_list[id][eid] != 0) {	141	if (cpu_by_id_eid_list[id][eid] != 0) {
142	if (cpu_by_id_eid_list[id][eid] == 1) {	142	if (cpu_by_id_eid_list[id][eid] == 1) {
143	printf("Found Late CPU ID:%d "	143	printf("Found Late CPU ID:%d "
144	"EDI:%d Not added to "	144	"EDI:%d Not added to "
145	"system!!!\n", id, eid);	145	"system!!!\n", id, eid);
146	continue;	146	continue;
147	}	147	}
148	cpu_by_id_eid_list[id][eid] = 3;	148	cpu_by_id_eid_list[id][eid] = 3;
149	/*	149	/*
150	* There may be just one AP being	150	* There may be just one AP being
151	* initialized at the time. After	151	* initialized at the time. After
152	* it comes completely up, it is	152	* it comes completely up, it is
153	* supposed to wake us up.	153	* supposed to wake us up.
154	*/	154	*/
155	if (waitq_sleep_timeout(	155	if (waitq_sleep_timeout(
156	&ap_completion_wq, 1000000,	156	&ap_completion_wq, 1000000,
157	SYNCH_FLAGS_NONE) ==	157	SYNCH_FLAGS_NONE) ==
158	ESYNCH_TIMEOUT) {	158	ESYNCH_TIMEOUT) {
159	printf("%s: waiting for cpu "	159	printf("%s: waiting for cpu "
160	"ID:%d EID:%d timed out\n",	160	"ID:%d EID:%d timed out\n",
161	__FUNCTION__, id, eid);	161	__FUNCTION__, id, eid);
162	}	162	}
163	}	163	}
164	}	164	}
165		-
166	#endif	-
167		-
168		-
169	#ifndef CONFIG_SMP	-
170		-
171	/* This is just a hack for linking with assembler - may be removed in future. */	-
172	void main_ap(void);	-
173	void main_ap(void)	-
174	{	-
175	while(1)	-
176	;	-
177	}	-
178		165
179	#endif	166	#endif
180		167
181	/** @}	168	/** @}
182	*/	169	*/
183		170
184		171

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(root)/trunk/kernel/arch/ia64/src/smp/smp.c – Rev 3766 → 3782