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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 |