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  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #include <cpus.h>
  27 #include <mach_rt.h>
  28 #include <mach_kdb.h>
  29 #include <mach_ldebug.h>
  30
  31 #include <i386/AT386/misc_protos.h>
  32 #include <i386/AT386/mp/mp_v1_1.h>
  33 #include <i386/AT386/mp/mp.h>
  34 #include <i386/AT386/mp/boot.h>
  35 #include <i386/apic.h>
  36 #include <i386/ipl.h>
  37 #include <i386/fpu.h>
  38 #include <i386/pio.h>
  39 #include <i386/cpuid.h>
  40 #include <i386/proc_reg.h>
  41 #include <i386/misc_protos.h>
  42 #include <mach/mach_types.h>
  43 #include <mach/kern_return.h>
  44 #include <vm/vm_kern.h>
  45 #include <kern/startup.h>
  46 #include <kern/cpu_number.h>
  47 #include <kern/cpu_data.h>
  48
  49 #define MP_DEBUG 1
  50
  51 #if     MP_DEBUG
  52 vm_offset_t     bios_start;
  53 #endif  /* MP_DEBUG */
  54
  55 unsigned int    lapic_id_initdata = 0;
  56 int             lapic_id = (int)&lapic_id_initdata;
  57 vm_offset_t     lapic_start;
  58
  59 void            lapic_init(void);
  60 int             get_ncpus(void);
  61 void            validate_cpus(int ncpus);
  62 void            cpu_interrupt(int cpu);
  63 void            slave_boot(int cpu);
  64
  65 boolean_t       mp_v1_1_initialized = FALSE;
  66
  67 void
  68 mp_v1_1_init(void)
  69 {
  70         /*WILL BE REMOVED IN FUTURE REVISION!!! !*/
  71         /* SIMPLY COMMENTED OUT FOR THE MOMENT */
  72         return;
  73 }
  74
  75 void
  76 lapic_init(void)
  77 {
  78 }
  79
  80 void
  81 cpu_interrupt(
  82         int     cpu)
  83 {
  84 }
  85
  86 #if NCPUS > 1
  87 void
  88 slave_boot(
  89         int     cpu)
  90 {
  91 }
  92
  93 void
  94 start_other_cpus(void)
  95 {
  96 }
  97
  98 void
  99 validate_cpus(int ncpus)
 100 {
 101         int i;
 102         for(i=0;i<ncpus;i++)
 103             machine_slot[i].is_cpu = TRUE;
 104 }
 105
 106 int
 107 get_ncpus(void)
 108 {
 109         return 1;
 110 }
 111
 112 void
 113 slave_machine_init(void)
 114 {
 115 }
 116
 117 #endif  /* NCPUS > 1 */
 118
 119 #if     MACH_KDB
 120 #include <ddb/db_output.h>
 121
 122 #define TRAP_DEBUG 0 /* Must match interrupt.s and spl.s */
 123
 124
 125 #if     TRAP_DEBUG
 126 #define MTRAPS 100
 127 struct mp_trap_hist_struct {
 128         unsigned char type;
 129         unsigned char data[5];
 130 } trap_hist[MTRAPS], *cur_trap_hist = trap_hist,
 131     *max_trap_hist = &trap_hist[MTRAPS];
 132
 133 void db_trap_hist(void);
 134
 135 /*
 136  * SPL:
 137  *      1: new spl
 138  *      2: old spl
 139  *      3: new tpr
 140  *      4: old tpr
 141  * INT:
 142  *      1: int vec
 143  *      2: old spl
 144  *      3: new spl
 145  *      4: post eoi tpr
 146  *      5: exit tpr
 147  */
 148
 149 void
 150 db_trap_hist(void)
 151 {
 152         int i,j;
 153         for(i=0;i<MTRAPS;i++)
 154             if (trap_hist[i].type == 1 || trap_hist[i].type == 2) {
 155                     db_printf("%s%s",
 156                               (&trap_hist[i]>=cur_trap_hist)?"*":" ",
 157                               (trap_hist[i].type == 1)?"SPL":"INT");
 158                     for(j=0;j<5;j++)
 159                         db_printf(" %02x", trap_hist[i].data[j]);
 160                     db_printf("\n");
 161             }
 162
 163 }
 164 #endif  /* TRAP_DEBUG */
 165
 166 void db_lapic(int cpu);
 167 unsigned int db_remote_read(int cpu, int reg);
 168 void db_ioapic(unsigned int);
 169 void kdb_console(void);
 170
 171 void
 172 kdb_console(void)
 173 {
 174 }
 175
 176 #define BOOLP(a) ((a)?' ':'!')
 177
 178 static char *DM[8] = {
 179         "Fixed",
 180         "Lowest Priority",
 181         "Invalid",
 182         "Invalid",
 183         "NMI",
 184         "Reset",
 185         "Invalid",
 186         "ExtINT"};
 187
 188 unsigned int
 189 db_remote_read(int cpu, int reg)
 190 {
 191         return -1;
 192 }
 193
 194 void
 195 db_lapic(int cpu)
 196 {
 197 }
 198
 199 void
 200 db_ioapic(unsigned int ind)
 201 {
 202 }
 203
 204 #endif  /* MACH_KDB */