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| 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 | - | ||
| 65 | - | ||
| 66 | - | ||
| 67 | - | ||
| 68 | - | ||
| 69 | #ifdef CONFIG_SMP |
64 | #ifdef CONFIG_SMP |
| 70 | 65 | ||
| 71 | - | ||
| 72 | extern char cpu_by_id_eid_list[256][256]; |
66 | extern char cpu_by_id_eid_list[256][256]; |
| 73 | 67 | ||
| 74 | - | ||
| 75 | static void sapic_init(void) |
68 | static void sapic_init(void) |
| 76 | { |
69 | { |
| 77 | bootinfo->sapic=(unative_t *)(PA2KA((unative_t)(bootinfo->sapic))|FW_OFFSET); |
70 | bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) | |
| - | 71 | FW_OFFSET); |
|
| 78 | } |
72 | } |
| 79 | 73 | ||
| 80 | - | ||
| 81 | - | ||
| 82 | static void ipi_broadcast_arch_all(int ipi ) |
74 | static void ipi_broadcast_arch_all(int ipi) |
| 83 | { |
75 | { |
| 84 | int id,eid; |
76 | int id,eid; |
| 85 | int myid,myeid; |
77 | int myid, myeid; |
| 86 | 78 | ||
| 87 | myid=ia64_get_cpu_id(); |
79 | myid = ia64_get_cpu_id(); |
| 88 | myeid=ia64_get_cpu_eid(); |
80 | myeid = ia64_get_cpu_eid(); |
| 89 | - | ||
| 90 | 81 | ||
| 91 | for(id=0;id<256;id++) |
82 | for (id = 0; id < 256; id++) |
| 92 | for(eid=0;eid<256;eid++) |
83 | for (eid = 0; eid < 256; eid++) |
| 93 | if((id!=myid) || (eid!=myeid)) |
84 | if ((id != myid) || (eid != myeid)) |
| 94 | ipi_send_ipi(id,eid,ipi); |
85 | ipi_send_ipi(id, eid, ipi); |
| 95 | } |
86 | } |
| 96 | 87 | ||
| 97 | void ipi_broadcast_arch(int ipi ) |
88 | void ipi_broadcast_arch(int ipi ) |
| 98 | { |
89 | { |
| 99 | int id,eid; |
90 | int id,eid; |
| 100 | int myid,myeid; |
91 | int myid,myeid; |
| 101 | 92 | ||
| 102 | myid=ia64_get_cpu_id(); |
93 | myid = ia64_get_cpu_id(); |
| 103 | myeid=ia64_get_cpu_eid(); |
94 | myeid = ia64_get_cpu_eid(); |
| 104 | - | ||
| 105 | for(id=0;id<256;id++) |
- | |
| 106 | for(eid=0;eid<256;eid++) |
- | |
| 107 | if((id!=myid) || (eid!=myeid)) |
- | |
| 108 | if(cpu_by_id_eid_list[id][eid]) |
- | |
| 109 | ipi_send_ipi(id,eid,ipi); |
- | |
| 110 | 95 | ||
| - | 96 | for (id = 0; id < 256; id++) |
|
| - | 97 | for (eid = 0; eid < 256; eid++) |
|
| - | 98 | if ((id != myid) || (eid != myeid)) |
|
| - | 99 | if (cpu_by_id_eid_list[id][eid]) |
|
| - | 100 | ipi_send_ipi(id, eid, ipi); |
|
| 111 | } |
101 | } |
| 112 | 102 | ||
| 113 | - | ||
| 114 | void smp_init(void) |
103 | void smp_init(void) |
| 115 | { |
104 | { |
| 116 | if(!bootinfo->hello_configured) return; |
105 | if (!bootinfo->hello_configured) |
| - | 106 | return; |
|
| - | 107 | ||
| - | 108 | /* |
|
| 117 | //If we have not system prepared by hello, we are not able to start AP's |
109 | * If we have not system prepared by hello, we are not able to start |
| 118 | //this means we are running on simulator |
110 | * AP's. This means we are running on a simulator. |
| - | 111 | */ |
|
| 119 | 112 | ||
| 120 | sapic_init(); |
113 | sapic_init(); |
| 121 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
114 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
| 122 | volatile long long brk; |
115 | volatile long long brk; |
| 123 | for(brk=0;brk<100LL*1024LL*1024LL;brk++); //wait a while before CPUs starts |
116 | for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++) |
| - | 117 | ; /* wait a while before CPUs starts */ |
|
| 124 | 118 | ||
| 125 | config.cpu_count=0; |
119 | config.cpu_count = 0; |
| 126 | int id,eid; |
120 | int id, eid; |
| 127 | 121 | ||
| 128 | for(id=0;id<256;id++) |
122 | for (id = 0; id < 256; id++) |
| 129 | for(eid=0;eid<256;eid++) |
123 | for (eid = 0; eid < 256; eid++) |
| 130 | if(cpu_by_id_eid_list[id][eid]==1){ |
124 | if (cpu_by_id_eid_list[id][eid] == 1) { |
| 131 | config.cpu_count++; |
125 | config.cpu_count++; |
| 132 | cpu_by_id_eid_list[id][eid]=2; |
126 | cpu_by_id_eid_list[id][eid] = 2; |
| 133 | - | ||
| 134 | } |
127 | } |
| 135 | } |
128 | } |
| 136 | 129 | ||
| 137 | - | ||
| 138 | void kmp(void *arg __attribute__((unused))) |
130 | void kmp(void *arg __attribute__((unused))) |
| 139 | { |
131 | { |
| 140 | int id,eid; |
132 | int id,eid; |
| 141 | int myid,myeid; |
133 | int myid, myeid; |
| 142 | 134 | ||
| 143 | myid=ia64_get_cpu_id(); |
135 | myid = ia64_get_cpu_id(); |
| 144 | myeid=ia64_get_cpu_eid(); |
136 | myeid = ia64_get_cpu_eid(); |
| 145 | 137 | ||
| 146 | for(id=0;id<256;id++) |
138 | for (id = 0; id < 256; id++) |
| 147 | for(eid=0;eid<256;eid++) |
139 | for (eid = 0; eid < 256; eid++) |
| 148 | if((id!=myid) || (eid!=myeid)) |
140 | if ((id != myid) || (eid != myeid)) |
| 149 | if(cpu_by_id_eid_list[id][eid]!=0){ |
141 | if (cpu_by_id_eid_list[id][eid] != 0) { |
| 150 | if(cpu_by_id_eid_list[id][eid]==1){ |
142 | if (cpu_by_id_eid_list[id][eid] == 1) { |
| 151 | printf("Found Late CPU ID:%d EDI:%d Not added to system!!!\n",id,eid); |
143 | printf("Found Late CPU ID:%d " |
| - | 144 | "EDI:%d Not added to " |
|
| - | 145 | "system!!!\n", id, eid); |
|
| 152 | continue; |
146 | continue; |
| 153 | } |
147 | } |
| 154 | cpu_by_id_eid_list[id][eid]=3; |
148 | cpu_by_id_eid_list[id][eid] = 3; |
| 155 | /* |
149 | /* |
| 156 | * There may be just one AP being initialized at |
150 | * There may be just one AP being |
| - | 151 | * initialized at the time. After |
|
| 157 | * the time. After it comes completely up, it is |
152 | * it comes completely up, it is |
| 158 | * supposed to wake us up. |
153 | * supposed to wake us up. |
| 159 | */ |
154 | */ |
| - | 155 | if (waitq_sleep_timeout( |
|
| 160 | if (waitq_sleep_timeout(&ap_completion_wq, 1000000, |
156 | &ap_completion_wq, 1000000, |
| 161 | SYNCH_FLAGS_NONE) == ESYNCH_TIMEOUT) { |
157 | SYNCH_FLAGS_NONE) == |
| - | 158 | ESYNCH_TIMEOUT) { |
|
| 162 | printf("%s: waiting for cpu ID:%d EID:%d" |
159 | printf("%s: waiting for cpu " |
| 163 | "timed out\n", __FUNCTION__, |
160 | "ID:%d EID:%d timed out\n", |
| 164 | id, eid); |
161 | __FUNCTION__, id, eid); |
| 165 | } |
162 | } |
| 166 | - | ||
| 167 | } |
163 | } |
| 168 | } |
164 | } |
| - | 165 | ||
| 169 | #endif |
166 | #endif |
| 170 | 167 | ||
| 171 | 168 | ||
| 172 | /*This is just a hack for linking with assembler - may be removed in future*/ |
- | |
| 173 | #ifndef CONFIG_SMP |
169 | #ifndef CONFIG_SMP |
| - | 170 | ||
| - | 171 | /* This is just a hack for linking with assembler - may be removed in future. */ |
|
| 174 | void main_ap(void); |
172 | void main_ap(void); |
| 175 | void main_ap(void) |
173 | void main_ap(void) |
| 176 | { |
174 | { |
| 177 | while(1); |
175 | while(1) |
| - | 176 | ; |
|
| 178 | } |
177 | } |
| 179 | 178 | ||
| 180 | #endif |
179 | #endif |
| 181 | 180 | ||
| 182 | /** @} |
181 | /** @} |