sys/sparc64/sparc64/identcpu.c

   1 /*-
   2  * Initial implementation:
   3  * Copyright (c) 2001 Robert Drehmel
   4  * All rights reserved.
   5  *
   6  * As long as the above copyright statement and this notice remain
   7  * unchanged, you can do what ever you want with this file.
   8  */
   9
  10 #include <sys/cdefs.h>
  11 __FBSDID("$FreeBSD$");
  12
  13 #include <sys/param.h>
  14 #include <sys/systm.h>
  15 #include <sys/kernel.h>
  16 #include <sys/sysctl.h>
  17
  18 #include <machine/md_var.h>
  19 #include <machine/ver.h>
  20
  21 char machine[] = MACHINE;
  22 SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
  23     machine, 0, "Machine class");
  24
  25 static char cpu_model[128];
  26 SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
  27     cpu_model, 0, "Machine model");
  28
  29 static SYSCTL_NODE(_hw, OID_AUTO, freq, CTLFLAG_RD, 0, "");
  30
  31 static u_int cpu_count;
  32 static u_int cpu_freq;
  33 SYSCTL_UINT(_hw_freq, OID_AUTO, cpu, CTLFLAG_RD, &cpu_freq, 0,
  34     "CPU clock frequency");
  35
  36 void
  37 cpu_identify(u_long vers, u_int freq, u_int id)
  38 {
  39         const char *manus;
  40         const char *impls;
  41
  42         switch (VER_MANUF(vers)) {
  43         case 0x04:
  44                 manus = "HAL/Fujitsu";
  45                 break;
  46         case 0x13:
  47         case 0x17:
  48         case 0x22:
  49         case 0x3e:
  50                 manus = "Sun Microsystems";
  51                 break;
  52         default:
  53                 manus = NULL;
  54                 break;
  55         }
  56         switch (VER_IMPL(vers)) {
  57         case CPU_IMPL_SPARC64:
  58                 impls = "SPARC64";
  59                 break;
  60         case CPU_IMPL_SPARC64II:
  61                 impls = "SPARC64-II";
  62                 break;
  63         case CPU_IMPL_SPARC64III:
  64                 impls = "SPARC64-III";
  65                 break;
  66         case CPU_IMPL_SPARC64IV:
  67                 impls = "SPARC64-IV";
  68                 break;
  69         case CPU_IMPL_SPARC64V:
  70                 impls = "SPARC64-V";
  71                 break;
  72         case CPU_IMPL_SPARC64VI:
  73                 impls = "SPARC64-VI";
  74                 break;
  75         case CPU_IMPL_SPARC64VII:
  76                 impls = "SPARC64-VII";
  77                 break;
  78         case CPU_IMPL_SPARC64VIIIfx:
  79                 impls = "SPARC64-VIIIfx";
  80                 break;
  81         case CPU_IMPL_ULTRASPARCI:
  82                 impls = "UltraSparc-I";
  83                 break;
  84         case CPU_IMPL_ULTRASPARCII:
  85                 impls = "UltraSparc-II";
  86                 break;
  87         case CPU_IMPL_ULTRASPARCIIi:
  88                 impls = "UltraSparc-IIi";
  89                 break;
  90         case CPU_IMPL_ULTRASPARCIIe:
  91                 impls = "UltraSparc-IIe";
  92                 break;
  93         case CPU_IMPL_ULTRASPARCIII:
  94                 impls = "UltraSparc-III";
  95                 break;
  96         case CPU_IMPL_ULTRASPARCIIIp:
  97                 impls = "UltraSparc-III+";
  98                 break;
  99         case CPU_IMPL_ULTRASPARCIIIi:
 100                 impls = "UltraSparc-IIIi";
 101                 break;
 102         case CPU_IMPL_ULTRASPARCIV:
 103                 impls = "UltraSparc-IV";
 104                 break;
 105         case CPU_IMPL_ULTRASPARCIVp:
 106                 impls = "UltraSparc-IV+";
 107                 break;
 108         case CPU_IMPL_ULTRASPARCIIIip:
 109                 impls = "UltraSparc-IIIi+";
 110                 break;
 111         default:
 112                 impls = NULL;
 113                 break;
 114         }
 115         if (manus == NULL || impls == NULL) {
 116                 printf(
 117                     "CPU: unknown; please e-mail the following value together\n"
 118                     "     with the exact name of your processor to "
 119                     "<freebsd-sparc64@FreeBSD.org>.\n"
 120                     "     version register: <0x%lx>\n", vers);
 121                 return;
 122         }
 123
 124         snprintf(cpu_model, sizeof(cpu_model), "%s %s", manus, impls);
 125         printf("cpu%d: %s %s Processor (%d.%02d MHz CPU)\n", id, manus, impls,
 126             (freq + 4999) / 1000000, ((freq + 4999) / 10000) % 100);
 127         if (bootverbose) {
 128                 printf("  mask=0x%lx maxtl=%ld maxwin=%ld\n", VER_MASK(vers),
 129                     VER_MAXTL(vers), VER_MAXWIN(vers));
 130         }
 131
 132         /*
 133          * Calculate the average CPU frequency.
 134          */
 135         freq = (freq + 500000ul) / 1000000ul;
 136         cpu_freq = (cpu_freq * cpu_count + freq) / (cpu_count + 1);
 137         cpu_count++;
 138 }