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/*-
* Initial implementation:
* Copyright (c) 2001 Robert Drehmel
* All rights reserved.
*
* As long as the above copyright statement and this notice remain
* unchanged, you can do what ever you want with this file.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/sparc64/sparc64/identcpu.c 207537 2010-05-02 19:38:17Z marius $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <machine/md_var.h>
#include <machine/ver.h>
char machine[] = MACHINE;
SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
machine, 0, "Machine class");
static char cpu_model[128];
SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
cpu_model, 0, "Machine model");
SYSCTL_NODE(_hw, OID_AUTO, freq, CTLFLAG_RD, 0, "");
static u_int cpu_count;
static u_int cpu_freq;
SYSCTL_UINT(_hw_freq, OID_AUTO, cpu, CTLFLAG_RD, &cpu_freq, 0,
"CPU clock frequency");
void
cpu_identify(u_long vers, u_int freq, u_int id)
{
const char *manus;
const char *impls;
switch (VER_MANUF(vers)) {
case 0x04:
manus = "HAL/Fujitsu";
break;
case 0x13:
case 0x17:
case 0x22:
case 0x3e:
manus = "Sun Microsystems";
break;
default:
manus = NULL;
break;
}
switch (VER_IMPL(vers)) {
case CPU_IMPL_SPARC64:
impls = "SPARC64";
break;
case CPU_IMPL_SPARC64II:
impls = "SPARC64-II";
break;
case CPU_IMPL_SPARC64III:
impls = "SPARC64-III";
break;
case CPU_IMPL_SPARC64IV:
impls = "SPARC64-IV";
break;
case CPU_IMPL_SPARC64V:
impls = "SPARC64-V";
break;
case CPU_IMPL_SPARC64VI:
impls = "SPARC64-VI";
break;
case CPU_IMPL_SPARC64VII:
impls = "SPARC64-VII";
break;
case CPU_IMPL_SPARC64VIIIfx:
impls = "SPARC64-VIIIfx";
break;
case CPU_IMPL_ULTRASPARCI:
impls = "UltraSparc-I";
break;
case CPU_IMPL_ULTRASPARCII:
impls = "UltraSparc-II";
break;
case CPU_IMPL_ULTRASPARCIIi:
impls = "UltraSparc-IIi";
break;
case CPU_IMPL_ULTRASPARCIIe:
impls = "UltraSparc-IIe";
break;
case CPU_IMPL_ULTRASPARCIII:
impls = "UltraSparc-III";
break;
case CPU_IMPL_ULTRASPARCIIIp:
impls = "UltraSparc-III+";
break;
case CPU_IMPL_ULTRASPARCIIIi:
impls = "UltraSparc-IIIi";
break;
case CPU_IMPL_ULTRASPARCIV:
impls = "UltraSparc-IV";
break;
case CPU_IMPL_ULTRASPARCIVp:
impls = "UltraSparc-IV+";
break;
case CPU_IMPL_ULTRASPARCIIIip:
impls = "UltraSparc-IIIi+";
break;
default:
impls = NULL;
break;
}
if (manus == NULL || impls == NULL) {
printf(
"CPU: unknown; please e-mail the following value together\n"
" with the exact name of your processor to "
"<freebsd-sparc64@FreeBSD.org>.\n"
" version register: <0x%lx>\n", vers);
return;
}
snprintf(cpu_model, sizeof(cpu_model), "%s %s", manus, impls);
printf("cpu%d: %s %s Processor (%d.%02d MHz CPU)\n", id, manus, impls,
(freq + 4999) / 1000000, ((freq + 4999) / 10000) % 100);
if (bootverbose) {
printf(" mask=0x%lx maxtl=%ld maxwin=%ld\n", VER_MASK(vers),
VER_MAXTL(vers), VER_MAXWIN(vers));
}
/*
* Calculate the average CPU frequency.
*/
freq = (freq + 500000ul) / 1000000ul;
cpu_freq = (cpu_freq * cpu_count + freq) / (cpu_count + 1);
cpu_count++;
}