Rev 4042 | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 4042 | Rev 4311 | ||
---|---|---|---|
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/drivers/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 <smp/smp.h> |
55 | #include <smp/smp.h> |
56 | #include <smp/ipi.h> |
56 | #include <smp/ipi.h> |
57 | #include <arch/atomic.h> |
57 | #include <arch/atomic.h> |
58 | #include <panic.h> |
58 | #include <panic.h> |
59 | #include <print.h> |
59 | #include <print.h> |
60 | 60 | ||
61 | #ifdef CONFIG_SMP |
61 | #ifdef CONFIG_SMP |
62 | 62 | ||
63 | extern char cpu_by_id_eid_list[256][256]; |
63 | extern char cpu_by_id_eid_list[256][256]; |
64 | 64 | ||
65 | static void sapic_init(void) |
65 | static void sapic_init(void) |
66 | { |
66 | { |
67 | bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) | |
67 | bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) | |
68 | FW_OFFSET); |
68 | FW_OFFSET); |
69 | } |
69 | } |
70 | 70 | ||
71 | static void ipi_broadcast_arch_all(int ipi) |
71 | static void ipi_broadcast_arch_all(int ipi) |
72 | { |
72 | { |
73 | int id, eid; |
73 | int id, eid; |
74 | int myid, myeid; |
74 | int myid, myeid; |
75 | 75 | ||
76 | myid = ia64_get_cpu_id(); |
76 | myid = ia64_get_cpu_id(); |
77 | myeid = ia64_get_cpu_eid(); |
77 | myeid = ia64_get_cpu_eid(); |
78 | 78 | ||
79 | for (id = 0; id < 256; id++) |
79 | for (id = 0; id < 256; id++) |
80 | for (eid = 0; eid < 256; eid++) |
80 | for (eid = 0; eid < 256; eid++) |
81 | if ((id != myid) || (eid != myeid)) |
81 | if ((id != myid) || (eid != myeid)) |
82 | ipi_send_ipi(id, eid, ipi); |
82 | ipi_send_ipi(id, eid, ipi); |
83 | } |
83 | } |
84 | 84 | ||
85 | void ipi_broadcast_arch(int ipi ) |
85 | void ipi_broadcast_arch(int ipi ) |
86 | { |
86 | { |
87 | int id, eid; |
87 | int id, eid; |
88 | int myid, myeid; |
88 | int myid, myeid; |
89 | 89 | ||
90 | myid = ia64_get_cpu_id(); |
90 | myid = ia64_get_cpu_id(); |
91 | myeid = ia64_get_cpu_eid(); |
91 | myeid = ia64_get_cpu_eid(); |
92 | 92 | ||
93 | for (id = 0; id < 256; id++) |
93 | for (id = 0; id < 256; id++) |
94 | for (eid = 0; eid < 256; eid++) |
94 | for (eid = 0; eid < 256; eid++) |
95 | if ((id != myid) || (eid != myeid)) |
95 | if ((id != myid) || (eid != myeid)) |
96 | if (cpu_by_id_eid_list[id][eid]) |
96 | if (cpu_by_id_eid_list[id][eid]) |
97 | ipi_send_ipi(id, eid, ipi); |
97 | ipi_send_ipi(id, eid, ipi); |
98 | } |
98 | } |
99 | 99 | ||
100 | void smp_init(void) |
100 | void smp_init(void) |
101 | { |
101 | { |
102 | if (!bootinfo->hello_configured) |
102 | if (!bootinfo->hello_configured) |
103 | return; |
103 | return; |
104 | 104 | ||
105 | /* |
105 | /* |
106 | * 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 |
107 | * AP's. This means we are running on a simulator. |
107 | * AP's. This means we are running on a simulator. |
108 | */ |
108 | */ |
109 | 109 | ||
110 | sapic_init(); |
110 | sapic_init(); |
111 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
111 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
112 | volatile long long brk; |
112 | volatile long long brk; |
113 | for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++) |
113 | for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++) |
114 | ; /* wait a while before CPUs starts */ |
114 | ; /* wait a while before CPUs starts */ |
115 | 115 | ||
116 | config.cpu_count = 0; |
116 | config.cpu_count = 0; |
117 | int id, eid; |
117 | int id, eid; |
118 | 118 | ||
119 | for (id = 0; id < 256; id++) |
119 | for (id = 0; id < 256; id++) |
120 | for (eid = 0; eid < 256; eid++) |
120 | for (eid = 0; eid < 256; eid++) |
121 | if (cpu_by_id_eid_list[id][eid] == 1) { |
121 | if (cpu_by_id_eid_list[id][eid] == 1) { |
122 | config.cpu_count++; |
122 | config.cpu_count++; |
123 | cpu_by_id_eid_list[id][eid] = 2; |
123 | cpu_by_id_eid_list[id][eid] = 2; |
124 | } |
124 | } |
125 | } |
125 | } |
126 | 126 | ||
127 | void kmp(void *arg __attribute__((unused))) |
127 | void kmp(void *arg __attribute__((unused))) |
128 | { |
128 | { |
129 | int id, eid; |
129 | int id, eid; |
130 | int myid, myeid; |
130 | int myid, myeid; |
131 | 131 | ||
132 | myid = ia64_get_cpu_id(); |
132 | myid = ia64_get_cpu_id(); |
133 | myeid = ia64_get_cpu_eid(); |
133 | myeid = ia64_get_cpu_eid(); |
134 | 134 | ||
135 | for (id = 0; id < 256; id++) |
135 | for (id = 0; id < 256; id++) |
136 | for (eid = 0; eid < 256; eid++) |
136 | for (eid = 0; eid < 256; eid++) |
137 | if ((id != myid) || (eid != myeid)) |
137 | if ((id != myid) || (eid != myeid)) |
138 | if (cpu_by_id_eid_list[id][eid] != 0) { |
138 | if (cpu_by_id_eid_list[id][eid] != 0) { |
139 | if (cpu_by_id_eid_list[id][eid] == 1) { |
139 | if (cpu_by_id_eid_list[id][eid] == 1) { |
140 | printf("Found Late CPU ID:%d " |
140 | printf("Found Late CPU ID:%d " |
141 | "EDI:%d Not added to " |
141 | "EDI:%d Not added to " |
142 | "system!!!\n", id, eid); |
142 | "system!!!\n", id, eid); |
143 | continue; |
143 | continue; |
144 | } |
144 | } |
145 | cpu_by_id_eid_list[id][eid] = 3; |
145 | cpu_by_id_eid_list[id][eid] = 3; |
146 | /* |
146 | /* |
147 | * There may be just one AP being |
147 | * There may be just one AP being |
148 | * initialized at the time. After |
148 | * initialized at the time. After |
149 | * it comes completely up, it is |
149 | * it comes completely up, it is |
150 | * supposed to wake us up. |
150 | * supposed to wake us up. |
151 | */ |
151 | */ |
152 | if (waitq_sleep_timeout( |
152 | if (waitq_sleep_timeout( |
153 | &ap_completion_wq, 1000000, |
153 | &ap_completion_wq, 1000000, |
154 | SYNCH_FLAGS_NONE) == |
154 | SYNCH_FLAGS_NONE) == |
155 | ESYNCH_TIMEOUT) { |
155 | ESYNCH_TIMEOUT) { |
156 | printf("%s: waiting for cpu " |
156 | printf("%s: waiting for cpu " |
157 | "ID:%d EID:%d timed out\n", |
157 | "ID:%d EID:%d timed out\n", |
158 | __FUNCTION__, id, eid); |
158 | __FUNCTION__, id, eid); |
159 | } |
159 | } |
160 | } |
160 | } |
161 | } |
161 | } |
162 | 162 | ||
163 | #endif |
163 | #endif |
164 | 164 | ||
165 | /** @} |
165 | /** @} |
166 | */ |
166 | */ |
167 | 167 | ||
168 | 168 |