Rev 3597 | Rev 3675 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3578 | vana | 1 | /* |
| 2 | * Copyright (c) 2005 Jakub Vana |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 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 |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 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 |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 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 |
||
| 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 |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | /** @addtogroup ia64 |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 35 | #include <arch.h> |
||
| 36 | #include <arch/ski/ski.h> |
||
| 37 | #include <arch/drivers/it.h> |
||
| 38 | #include <arch/interrupt.h> |
||
| 39 | #include <arch/barrier.h> |
||
| 40 | #include <arch/asm.h> |
||
| 41 | #include <arch/register.h> |
||
| 42 | #include <arch/types.h> |
||
| 43 | #include <arch/context.h> |
||
| 44 | #include <arch/stack.h> |
||
| 45 | #include <arch/mm/page.h> |
||
| 46 | #include <mm/as.h> |
||
| 47 | #include <config.h> |
||
| 48 | #include <userspace.h> |
||
| 49 | #include <console/console.h> |
||
| 50 | #include <proc/uarg.h> |
||
| 51 | #include <syscall/syscall.h> |
||
| 52 | #include <ddi/irq.h> |
||
| 53 | #include <ddi/device.h> |
||
| 54 | #include <arch/drivers/ega.h> |
||
| 55 | #include <arch/bootinfo.h> |
||
| 56 | #include <genarch/kbd/i8042.h> |
||
| 57 | #include <genarch/kbd/ns16550.h> |
||
| 58 | #include <smp/smp.h> |
||
| 59 | #include <smp/ipi.h> |
||
| 60 | #include <arch/atomic.h> |
||
| 61 | #include <panic.h> |
||
| 62 | #include <print.h> |
||
| 63 | |||
| 64 | |||
| 65 | |||
| 66 | |||
| 67 | |||
| 68 | |||
| 69 | #ifdef CONFIG_SMP |
||
| 70 | |||
| 71 | |||
| 72 | extern char cpu_by_id_eid_list[256][256]; |
||
| 73 | |||
| 74 | |||
| 75 | static void sapic_init(void) |
||
| 76 | { |
||
| 77 | bootinfo->sapic=(unative_t *)(PA2KA((unative_t)(bootinfo->sapic))|FW_OFFSET); |
||
| 78 | } |
||
| 79 | |||
| 80 | |||
| 81 | |||
| 82 | static void ipi_broadcast_arch_all(int ipi ) |
||
| 83 | { |
||
| 84 | int id,eid; |
||
| 85 | int myid,myeid; |
||
| 86 | |||
| 87 | myid=ia64_get_cpu_id(); |
||
| 88 | myeid=ia64_get_cpu_eid(); |
||
| 89 | |||
| 90 | |||
| 91 | for(id=0;id<256;id++) |
||
| 92 | for(eid=0;eid<256;eid++) |
||
| 93 | if((id!=myid) || (eid!=myeid)) |
||
| 94 | ipi_send_ipi(id,eid,ipi); |
||
| 95 | } |
||
| 96 | |||
| 97 | void ipi_broadcast_arch(int ipi ) |
||
| 98 | { |
||
| 99 | ipi_broadcast_arch_all(ipi); |
||
| 100 | } |
||
| 101 | |||
| 102 | |||
| 103 | void smp_init(void) |
||
| 104 | { |
||
| 105 | sapic_init(); |
||
| 106 | ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
||
| 107 | volatile long long brk; |
||
| 108 | for(brk=0;brk<100LL*1024LL*1024LL;brk++); //wait a while before CPUs starts |
||
| 109 | |||
| 110 | config.cpu_count=0; |
||
| 111 | int id,eid; |
||
| 112 | |||
| 113 | for(id=0;id<256;id++) |
||
| 114 | for(eid=0;eid<256;eid++) |
||
| 115 | if(cpu_by_id_eid_list[id][eid]==1){ |
||
| 116 | config.cpu_count++; |
||
| 117 | cpu_by_id_eid_list[id][eid]=2; |
||
| 118 | |||
| 119 | } |
||
| 120 | } |
||
| 121 | |||
| 122 | |||
| 123 | void kmp(void *arg __attribute__((unused))) |
||
| 124 | { |
||
| 125 | int id,eid; |
||
| 126 | int myid,myeid; |
||
| 127 | |||
| 128 | myid=ia64_get_cpu_id(); |
||
| 129 | myeid=ia64_get_cpu_eid(); |
||
| 130 | |||
| 131 | for(id=0;id<256;id++) |
||
| 132 | for(eid=0;eid<256;eid++) |
||
| 133 | if((id!=myid) || (eid!=myeid)) |
||
| 134 | if(cpu_by_id_eid_list[id][eid]!=0){ |
||
| 135 | if(cpu_by_id_eid_list[id][eid]==1){ |
||
| 136 | |||
| 137 | //config.cpu_count++; |
||
| 138 | //cpu_by_id_eid_list[id][eid]=2; |
||
| 139 | printf("Found Late CPU ID:%d EDI:%d Not added to system!!!\n",id,eid); |
||
| 140 | continue; |
||
| 141 | } |
||
| 142 | cpu_by_id_eid_list[id][eid]=3; |
||
| 143 | /* |
||
| 144 | * There may be just one AP being initialized at |
||
| 145 | * the time. After it comes completely up, it is |
||
| 146 | * supposed to wake us up. |
||
| 147 | */ |
||
| 148 | if (waitq_sleep_timeout(&ap_completion_wq, 1000000, |
||
| 149 | SYNCH_FLAGS_NONE) == ESYNCH_TIMEOUT) { |
||
| 150 | printf("%s: waiting for cpu ID:%d EID:%d" |
||
| 151 | "timed out\n", __FUNCTION__, |
||
| 152 | id, eid); |
||
| 153 | } |
||
| 154 | |||
| 155 | } |
||
| 156 | } |
||
| 157 | #endif |
||
| 158 | |||
| 159 | |||
| 160 | /*This is just a hack for linking with assembler - may be removed in future*/ |
||
| 161 | #ifndef CONFIG_SMP |
||
| 162 | void main_ap(void); |
||
| 163 | void main_ap(void) |
||
| 164 | { |
||
| 165 | while(1); |
||
| 166 | } |
||
| 167 | |||
| 168 | #endif |
||
| 169 | |||
| 170 | /** @} |
||
| 171 | */ |
||
| 172 |