WebSVN – HelenOS – Diff – /branches/dynload/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/bootinfo.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 4344	Rev 4346
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/bootinfo.h>	54	#include <arch/bootinfo.h>
55	#include <genarch/kbd/i8042.h>	-
56	#include <genarch/kbd/ns16550.h>	-
57	#include <smp/smp.h>	55	#include <smp/smp.h>
58	#include <smp/ipi.h>	56	#include <smp/ipi.h>
59	#include <arch/atomic.h>	57	#include <arch/atomic.h>
60	#include <panic.h>	58	#include <panic.h>
61	#include <print.h>	59	#include <print.h>
62		60
63	#ifdef CONFIG_SMP	61	#ifdef CONFIG_SMP
64		62
65	extern char cpu_by_id_eid_list[256][256];	63	extern char cpu_by_id_eid_list[256][256];
66		64
67	static void sapic_init(void)	65	static void sapic_init(void)
68	{	66	{
69	bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) \|	67	bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) \|
70	FW_OFFSET);	68	FW_OFFSET);
71	}	69	}
72		70
73	static void ipi_broadcast_arch_all(int ipi)	71	static void ipi_broadcast_arch_all(int ipi)
74	{	72	{
75	int id, eid;	73	int id, eid;
76	int myid, myeid;	74	int myid, myeid;
77		75
78	myid = ia64_get_cpu_id();	76	myid = ia64_get_cpu_id();
79	myeid = ia64_get_cpu_eid();	77	myeid = ia64_get_cpu_eid();
80		78
81	for (id = 0; id < 256; id++)	79	for (id = 0; id < 256; id++)
82	for (eid = 0; eid < 256; eid++)	80	for (eid = 0; eid < 256; eid++)
83	if ((id != myid) \|\| (eid != myeid))	81	if ((id != myid) \|\| (eid != myeid))
84	ipi_send_ipi(id, eid, ipi);	82	ipi_send_ipi(id, eid, ipi);
85	}	83	}
86		84
87	void ipi_broadcast_arch(int ipi )	85	void ipi_broadcast_arch(int ipi )
88	{	86	{
89	int id, eid;	87	int id, eid;
90	int myid, myeid;	88	int myid, myeid;
91		89
92	myid = ia64_get_cpu_id();	90	myid = ia64_get_cpu_id();
93	myeid = ia64_get_cpu_eid();	91	myeid = ia64_get_cpu_eid();
94		92
95	for (id = 0; id < 256; id++)	93	for (id = 0; id < 256; id++)
96	for (eid = 0; eid < 256; eid++)	94	for (eid = 0; eid < 256; eid++)
97	if ((id != myid) \|\| (eid != myeid))	95	if ((id != myid) \|\| (eid != myeid))
98	if (cpu_by_id_eid_list[id][eid])	96	if (cpu_by_id_eid_list[id][eid])
99	ipi_send_ipi(id, eid, ipi);	97	ipi_send_ipi(id, eid, ipi);
100	}	98	}
101		99
102	void smp_init(void)	100	void smp_init(void)
103	{	101	{
104	if (!bootinfo->hello_configured)	102	if (!bootinfo->hello_configured)
105	return;	103	return;
106		104
107	/*	105	/*
108	* If we have not got system prepared by hello, we are not able to start	106	* If we have not got system prepared by hello, we are not able to start
109	* AP's. This means we are running on a simulator.	107	* AP's. This means we are running on a simulator.
110	*/	108	*/
111		109
112	sapic_init();	110	sapic_init();
113	ipi_broadcast_arch_all(bootinfo->wakeup_intno);	111	ipi_broadcast_arch_all(bootinfo->wakeup_intno);
114	volatile long long brk;	112	volatile long long brk;
115	for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++)	113	for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++)
116	; /* wait a while before CPUs starts */	114	; /* wait a while before CPUs starts */
117		115
118	config.cpu_count = 0;	116	config.cpu_count = 0;
119	int id, eid;	117	int id, eid;
120		118
121	for (id = 0; id < 256; id++)	119	for (id = 0; id < 256; id++)
122	for (eid = 0; eid < 256; eid++)	120	for (eid = 0; eid < 256; eid++)
123	if (cpu_by_id_eid_list[id][eid] == 1) {	121	if (cpu_by_id_eid_list[id][eid] == 1) {
124	config.cpu_count++;	122	config.cpu_count++;
125	cpu_by_id_eid_list[id][eid] = 2;	123	cpu_by_id_eid_list[id][eid] = 2;
126	}	124	}
127	}	125	}
128		126
129	void kmp(void *arg __attribute__((unused)))	127	void kmp(void *arg __attribute__((unused)))
130	{	128	{
131	int id, eid;	129	int id, eid;
132	int myid, myeid;	130	int myid, myeid;
133		131
134	myid = ia64_get_cpu_id();	132	myid = ia64_get_cpu_id();
135	myeid = ia64_get_cpu_eid();	133	myeid = ia64_get_cpu_eid();
136		134
137	for (id = 0; id < 256; id++)	135	for (id = 0; id < 256; id++)
138	for (eid = 0; eid < 256; eid++)	136	for (eid = 0; eid < 256; eid++)
139	if ((id != myid) \|\| (eid != myeid))	137	if ((id != myid) \|\| (eid != myeid))
140	if (cpu_by_id_eid_list[id][eid] != 0) {	138	if (cpu_by_id_eid_list[id][eid] != 0) {
141	if (cpu_by_id_eid_list[id][eid] == 1) {	139	if (cpu_by_id_eid_list[id][eid] == 1) {
142	printf("Found Late CPU ID:%d "	140	printf("Found Late CPU ID:%d "
143	"EDI:%d Not added to "	141	"EDI:%d Not added to "
144	"system!!!\n", id, eid);	142	"system!!!\n", id, eid);
145	continue;	143	continue;
146	}	144	}
147	cpu_by_id_eid_list[id][eid] = 3;	145	cpu_by_id_eid_list[id][eid] = 3;
148	/*	146	/*
149	* There may be just one AP being	147	* There may be just one AP being
150	* initialized at the time. After	148	* initialized at the time. After
151	* it comes completely up, it is	149	* it comes completely up, it is
152	* supposed to wake us up.	150	* supposed to wake us up.
153	*/	151	*/
154	if (waitq_sleep_timeout(	152	if (waitq_sleep_timeout(
155	&ap_completion_wq, 1000000,	153	&ap_completion_wq, 1000000,
156	SYNCH_FLAGS_NONE) ==	154	SYNCH_FLAGS_NONE) ==
157	ESYNCH_TIMEOUT) {	155	ESYNCH_TIMEOUT) {
158	printf("%s: waiting for cpu "	156	printf("%s: waiting for cpu "
159	"ID:%d EID:%d timed out\n",	157	"ID:%d EID:%d timed out\n",
160	__FUNCTION__, id, eid);	158	__FUNCTION__, id, eid);
161	}	159	}
162	}	160	}
163	}	161	}
164		162
165	#endif	163	#endif
166		164
167	/** @}	165	/** @}
168	*/	166	*/
169		167
170		168

Subversion Repositories HelenOS

(root)/branches/dynload/kernel/arch/ia64/src/smp/smp.c – Rev 4344 → 4346