osfmk/i386/AT386/mp/mp_v1_1.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28
  29 #include <cpus.h>
  30 #include <mach_rt.h>
  31 #include <mach_kdb.h>
  32 #include <mach_ldebug.h>
  33
  34 #include <i386/AT386/misc_protos.h>
  35 #include <i386/AT386/mp/mp_v1_1.h>
  36 #include <i386/AT386/mp/mp.h>
  37 #include <i386/AT386/mp/boot.h>
  38 #include <i386/apic.h>
  39 #include <i386/ipl.h>
  40 #include <i386/fpu.h>
  41 #include <i386/pio.h>
  42 #include <i386/cpuid.h>
  43 #include <i386/proc_reg.h>
  44 #include <i386/misc_protos.h>
  45 #include <mach/mach_types.h>
  46 #include <mach/kern_return.h>
  47 #include <vm/vm_kern.h>
  48 #include <kern/startup.h>
  49 #include <kern/cpu_number.h>
  50 #include <kern/cpu_data.h>
  51
  52 #define MP_DEBUG 1
  53
  54 #if     MP_DEBUG
  55 vm_offset_t     bios_start;
  56 #endif  /* MP_DEBUG */
  57
  58 unsigned int    lapic_id_initdata = 0;
  59 int             lapic_id = (int)&lapic_id_initdata;
  60 vm_offset_t     lapic_start;
  61
  62 void            lapic_init(void);
  63 int             get_ncpus(void);
  64 void            validate_cpus(int ncpus);
  65 void            cpu_interrupt(int cpu);
  66 void            slave_boot(int cpu);
  67
  68 boolean_t       mp_v1_1_initialized = FALSE;
  69
  70 void
  71 mp_v1_1_init(void)
  72 {
  73         /*WILL BE REMOVED IN FUTURE REVISION!!! !*/
  74         /* SIMPLY COMMENTED OUT FOR THE MOMENT */
  75         return;
  76 }
  77
  78 void
  79 lapic_init(void)
  80 {
  81 }
  82
  83 void
  84 cpu_interrupt(
  85         int     cpu)
  86 {
  87 }
  88
  89 #if NCPUS > 1
  90 void
  91 slave_boot(
  92         int     cpu)
  93 {
  94 }
  95
  96 void
  97 start_other_cpus(void)
  98 {
  99 }
 100
 101 void
 102 validate_cpus(int ncpus)
 103 {
 104         int i;
 105         for(i=0;i<ncpus;i++)
 106             machine_slot[i].is_cpu = TRUE;
 107 }
 108
 109 int
 110 get_ncpus(void)
 111 {
 112         return 1;
 113 }
 114
 115 void
 116 slave_machine_init(void)
 117 {
 118 }
 119
 120 #endif  /* NCPUS > 1 */
 121
 122 #if     MACH_KDB
 123 #include <ddb/db_output.h>
 124
 125 #define TRAP_DEBUG 0 /* Must match interrupt.s and spl.s */
 126
 127
 128 #if     TRAP_DEBUG
 129 #define MTRAPS 100
 130 struct mp_trap_hist_struct {
 131         unsigned char type;
 132         unsigned char data[5];
 133 } trap_hist[MTRAPS], *cur_trap_hist = trap_hist,
 134     *max_trap_hist = &trap_hist[MTRAPS];
 135
 136 void db_trap_hist(void);
 137
 138 /*
 139  * SPL:
 140  *      1: new spl
 141  *      2: old spl
 142  *      3: new tpr
 143  *      4: old tpr
 144  * INT:
 145  *      1: int vec
 146  *      2: old spl
 147  *      3: new spl
 148  *      4: post eoi tpr
 149  *      5: exit tpr
 150  */
 151
 152 void
 153 db_trap_hist(void)
 154 {
 155         int i,j;
 156         for(i=0;i<MTRAPS;i++)
 157             if (trap_hist[i].type == 1 || trap_hist[i].type == 2) {
 158                     db_printf("%s%s",
 159                               (&trap_hist[i]>=cur_trap_hist)?"*":" ",
 160                               (trap_hist[i].type == 1)?"SPL":"INT");
 161                     for(j=0;j<5;j++)
 162                         db_printf(" %02x", trap_hist[i].data[j]);
 163                     db_printf("\n");
 164             }
 165
 166 }
 167 #endif  /* TRAP_DEBUG */
 168
 169 void db_lapic(int cpu);
 170 unsigned int db_remote_read(int cpu, int reg);
 171 void db_ioapic(unsigned int);
 172 void kdb_console(void);
 173
 174 void
 175 kdb_console(void)
 176 {
 177 }
 178
 179 #define BOOLP(a) ((a)?' ':'!')
 180
 181 static char *DM[8] = {
 182         "Fixed",
 183         "Lowest Priority",
 184         "Invalid",
 185         "Invalid",
 186         "NMI",
 187         "Reset",
 188         "Invalid",
 189         "ExtINT"};
 190
 191 unsigned int
 192 db_remote_read(int cpu, int reg)
 193 {
 194         return -1;
 195 }
 196
 197 void
 198 db_lapic(int cpu)
 199 {
 200 }
 201
 202 void
 203 db_ioapic(unsigned int ind)
 204 {
 205 }
 206
 207 #endif  /* MACH_KDB */