identcpu.c revision 86522 
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 * $FreeBSD: head/sys/sparc64/sparc64/identcpu.c 86522 2001-11-18 03:05:56Z jake $
10 */
11#include <sys/param.h>
12#include <sys/systm.h>
13#include <sys/kernel.h>
14#include <sys/sysctl.h>
15
16#include <machine/cpufunc.h>
17#include <machine/md_var.h>
18#include <machine/ver.h>
19
20static char machine[] = "sparc64";
21SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
22    machine, 0, "Machine class");
23
24static char cpu_model[128];
25SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
26    cpu_model, 0, "Machine model");
27
28void
29cpu_identify(unsigned int freq)
30{
31	const char *manus;
32	const char *impls;
33	unsigned long vers;
34
35	manus = NULL;
36	impls = NULL;
37	vers = rdpr(ver);
38
39	switch (VER_MANUF(vers)) {
40	case 0x04:
41		manus = "HAL";
42		break;
43	case 0x13:
44	case 0x17:
45		manus = "Sun Microsystems";
46		break;
47	}
48	switch (VER_IMPL(vers)) {
49	case 0x01:
50		impls = "SPARC64";
51		break;
52	case 0x10:
53		impls = "UltraSparc-I";
54		break;
55	case 0x11:
56		impls = "UltraSparc-II";
57		break;
58	case 0x12:
59		impls = "UltraSparc-IIi";
60		break;
61	case 0x13:
62		/* V9 Manual says `UltraSparc-e'.  I assume this is wrong. */
63		impls = "UltraSparc-IIe";
64		break;
65	}
66	if (manus == NULL || impls == NULL) {
67		printf(
68		    "CPU: unknown; please e-mail the following value together\n"
69		    "     with the exact name of your processor to "
70		    "<freebsd-sparc@FreeBSD.org>.\n"
71		    "     version register: <0x%lx>\n", vers);
72		return;
73	}
74
75	snprintf(cpu_model, sizeof(cpu_model), "%s %s", manus, impls);
76	printf("CPU: %s %s Processor (%d.%02d MHZ CPU)\n", manus, impls,
77	    (freq + 4999) / 1000000, ((freq + 4999) / 10000) % 100);
78	if (bootverbose) {
79		printf("  mask=0x%lx maxtl=%ld maxwin=%ld\n", VER_MASK(vers),
80		    VER_MAXTL(vers), VER_MAXWIN(vers));
81	}
82}
83