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| 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> |
| Line 49... | Line 49... | ||
| 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> |
- | |
| 55 | #include <arch/bootinfo.h> |
54 | #include <arch/bootinfo.h> |
| 56 | #include <genarch/kbd/i8042.h> |
- | |
| 57 | #include <genarch/kbd/ns16550.h> |
- | |
| 58 | #include <smp/smp.h> |
55 | #include <smp/smp.h> |
| 59 | #include <smp/ipi.h> |
56 | #include <smp/ipi.h> |
| 60 | #include <arch/atomic.h> |
57 | #include <arch/atomic.h> |
| 61 | #include <panic.h> |
58 | #include <panic.h> |
| 62 | #include <print.h> |
59 | #include <print.h> |
| 63 | 60 | ||
| 64 | - | ||
| 65 | - | ||
| 66 | - | ||
| 67 | - | ||
| 68 | - | ||
| 69 | #ifdef CONFIG_SMP |
61 | #ifdef CONFIG_SMP |
| 70 | 62 | ||
| 71 | - | ||
| 72 | extern char cpu_by_id_eid_list[256][256]; |
63 | extern char cpu_by_id_eid_list[256][256]; |
| 73 | 64 | ||
| 74 | - | ||
| 75 | static void sapic_init(void) |
65 | static void sapic_init(void) |
| 76 | { |
66 | { |
| 77 | bootinfo->sapic=(unative_t *)(PA2KA((unative_t)(bootinfo->sapic))|FW_OFFSET); |
67 | bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) | |
| - | 68 | FW_OFFSET); |
|
| 78 | } |
69 | } |
| 79 | 70 | ||
| 80 | - | ||
| 81 | - | ||
| 82 | static void ipi_broadcast_arch_all(int ipi ) |
71 | static void ipi_broadcast_arch_all(int ipi) |
| 83 | { |
72 | { |
| 84 | int id,eid; |
73 | int id, eid; |
| 85 | int myid,myeid; |
74 | int myid, myeid; |
| 86 | 75 | ||
| 87 | myid=ia64_get_cpu_id(); |
76 | myid = ia64_get_cpu_id(); |
| 88 | myeid=ia64_get_cpu_eid(); |
77 | myeid = ia64_get_cpu_eid(); |
| 89 | - | ||
| 90 | 78 | ||
| 91 | for(id=0;id<256;id++) |
79 | for (id = 0; id < 256; id++) |
| 92 | for(eid=0;eid<256;eid++) |
80 | for (eid = 0; eid < 256; eid++) |
| 93 | if((id!=myid) || (eid!=myeid)) |
81 | if ((id != myid) || (eid != myeid)) |
| 94 | ipi_send_ipi(id,eid,ipi); |
82 | ipi_send_ipi(id, eid, ipi); |
| 95 | } |
83 | } |
| 96 | 84 | ||
| 97 | void ipi_broadcast_arch(int ipi ) |
85 | void ipi_broadcast_arch(int ipi ) |
| 98 | { |
86 | { |
| 99 | int id,eid; |
87 | int id, eid; |
| 100 | int myid,myeid; |
88 | int myid, myeid; |
| 101 | 89 | ||
| 102 | myid=ia64_get_cpu_id(); |
90 | myid = ia64_get_cpu_id(); |
| 103 | myeid=ia64_get_cpu_eid(); |
91 | myeid = ia64_get_cpu_eid(); |
| 104 | - | ||
| 105 | //printf("Sending ipi %d on %d\n",ipi,CPU->id); |
- | |
| 106 | for(id=0;id<256;id++) |
- | |
| 107 | for(eid=0;eid<256;eid++) |
- | |
| 108 | if((id!=myid) || (eid!=myeid)) |
- | |
| 109 | if(cpu_by_id_eid_list[id][eid]) |
- | |
| 110 | ipi_send_ipi(id,eid,ipi); |
- | |
| 111 | 92 | ||
| - | 93 | for (id = 0; id < 256; id++) |
|
| - | 94 | for (eid = 0; eid < 256; eid++) |
|
| - | 95 | if ((id != myid) || (eid != myeid)) |
|
| - | 96 | if (cpu_by_id_eid_list[id][eid]) |
|
| - | 97 | ipi_send_ipi(id, eid, ipi); |
|
| 112 | } |
98 | } |
| 113 | 99 | ||
| 114 | - | ||
| 115 | void smp_init(void) |
100 | void smp_init(void) |
| 116 | { |
101 | { |
| 117 | if(!bootinfo->hello_configured) return; |
102 | if (!bootinfo->hello_configured) |
| - | 103 | return; |
|
| - | 104 | ||
| - | 105 | /* |
|
| 118 | //If we have not system prepared by hello, we are not able to start AP's |
106 | * If we have not got system prepared by hello, we are not able to start |
| 119 | //this means we are running on simulator |
107 | * AP's. This means we are running on a simulator. |
| - | 108 | */ |
|
| 120 | 109 | ||
| 121 | sapic_init(); |
110 | sapic_init(); |
| 122 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
111 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
| 123 | volatile long long brk; |
112 | volatile long long brk; |
| 124 | for(brk=0;brk<100LL*1024LL*1024LL;brk++); //wait a while before CPUs starts |
113 | for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++) |
| - | 114 | ; /* wait a while before CPUs starts */ |
|
| 125 | 115 | ||
| 126 | config.cpu_count=0; |
116 | config.cpu_count = 0; |
| 127 | int id,eid; |
117 | int id, eid; |
| 128 | 118 | ||
| 129 | for(id=0;id<256;id++) |
119 | for (id = 0; id < 256; id++) |
| 130 | for(eid=0;eid<256;eid++) |
120 | for (eid = 0; eid < 256; eid++) |
| 131 | if(cpu_by_id_eid_list[id][eid]==1){ |
121 | if (cpu_by_id_eid_list[id][eid] == 1) { |
| 132 | config.cpu_count++; |
122 | config.cpu_count++; |
| 133 | cpu_by_id_eid_list[id][eid]=2; |
123 | cpu_by_id_eid_list[id][eid] = 2; |
| 134 | - | ||
| 135 | } |
124 | } |
| 136 | } |
125 | } |
| 137 | 126 | ||
| 138 | - | ||
| 139 | void kmp(void *arg __attribute__((unused))) |
127 | void kmp(void *arg __attribute__((unused))) |
| 140 | { |
128 | { |
| 141 | int id,eid; |
129 | int id, eid; |
| 142 | int myid,myeid; |
130 | int myid, myeid; |
| 143 | 131 | ||
| 144 | myid=ia64_get_cpu_id(); |
132 | myid = ia64_get_cpu_id(); |
| 145 | myeid=ia64_get_cpu_eid(); |
133 | myeid = ia64_get_cpu_eid(); |
| 146 | 134 | ||
| 147 | for(id=0;id<256;id++) |
135 | for (id = 0; id < 256; id++) |
| 148 | for(eid=0;eid<256;eid++) |
136 | for (eid = 0; eid < 256; eid++) |
| 149 | if((id!=myid) || (eid!=myeid)) |
137 | if ((id != myid) || (eid != myeid)) |
| 150 | if(cpu_by_id_eid_list[id][eid]!=0){ |
138 | if (cpu_by_id_eid_list[id][eid] != 0) { |
| 151 | if(cpu_by_id_eid_list[id][eid]==1){ |
139 | if (cpu_by_id_eid_list[id][eid] == 1) { |
| 152 | - | ||
| 153 | //config.cpu_count++; |
140 | printf("Found Late CPU ID:%d " |
| 154 | //cpu_by_id_eid_list[id][eid]=2; |
141 | "EDI:%d Not added to " |
| 155 | printf("Found Late CPU ID:%d EDI:%d Not added to system!!!\n",id,eid); |
142 | "system!!!\n", id, eid); |
| 156 | continue; |
143 | continue; |
| 157 | } |
144 | } |
| 158 | cpu_by_id_eid_list[id][eid]=3; |
145 | cpu_by_id_eid_list[id][eid] = 3; |
| 159 | /* |
146 | /* |
| 160 | * There may be just one AP being initialized at |
147 | * There may be just one AP being |
| - | 148 | * initialized at the time. After |
|
| 161 | * the time. After it comes completely up, it is |
149 | * it comes completely up, it is |
| 162 | * supposed to wake us up. |
150 | * supposed to wake us up. |
| 163 | */ |
151 | */ |
| - | 152 | if (waitq_sleep_timeout( |
|
| 164 | if (waitq_sleep_timeout(&ap_completion_wq, 1000000, |
153 | &ap_completion_wq, 1000000, |
| 165 | SYNCH_FLAGS_NONE) == ESYNCH_TIMEOUT) { |
154 | SYNCH_FLAGS_NONE) == |
| - | 155 | ESYNCH_TIMEOUT) { |
|
| 166 | printf("%s: waiting for cpu ID:%d EID:%d" |
156 | printf("%s: waiting for cpu " |
| 167 | "timed out\n", __FUNCTION__, |
157 | "ID:%d EID:%d timed out\n", |
| 168 | id, eid); |
158 | __FUNCTION__, id, eid); |
| 169 | } |
159 | } |
| 170 | - | ||
| 171 | } |
160 | } |
| 172 | } |
161 | } |
| 173 | #endif |
- | |
| 174 | - | ||
| 175 | - | ||
| 176 | /*This is just a hack for linking with assembler - may be removed in future*/ |
- | |
| 177 | #ifndef CONFIG_SMP |
- | |
| 178 | void main_ap(void); |
- | |
| 179 | void main_ap(void) |
- | |
| 180 | { |
- | |
| 181 | while(1); |
- | |
| 182 | } |
- | |
| 183 | 162 | ||
| 184 | #endif |
163 | #endif |
| 185 | 164 | ||
| 186 | /** @} |
165 | /** @} |
| 187 | */ |
166 | */ |