identcpu.c revision 179229 
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: head/sys/sparc64/sparc64/identcpu.c 179229 2008-05-23 04:03:54Z alc $");
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/cpufunc.h>
19#include <machine/md_var.h>
20#include <machine/ver.h>
21
22char machine[] = MACHINE;
23SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
24    machine, 0, "Machine class");
25
26static char cpu_model[128];
27SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
28    cpu_model, 0, "Machine model");
29
30int cpu_impl;
31
32void
33cpu_identify(u_long vers, u_int freq, u_int id)
34{
35	const char *manus;
36	const char *impls;
37
38	switch (VER_MANUF(vers)) {
39	case 0x04:
40		manus = "HAL";
41		break;
42	case 0x13:
43	case 0x17:
44	case 0x22:
45	case 0x3e:
46		manus = "Sun Microsystems";
47		break;
48	default:
49		manus = NULL;
50		break;
51	}
52	switch (VER_IMPL(vers)) {
53	case CPU_IMPL_SPARC64:
54		impls = "SPARC64";
55		break;
56	case CPU_IMPL_ULTRASPARCI:
57		impls = "UltraSparc-I";
58		break;
59	case CPU_IMPL_ULTRASPARCII:
60		impls = "UltraSparc-II";
61		break;
62	case CPU_IMPL_ULTRASPARCIIi:
63		impls = "UltraSparc-IIi";
64		break;
65	case CPU_IMPL_ULTRASPARCIIe:
66		/* V9 Manual says `UltraSparc-e'.  I assume this is wrong. */
67		impls = "UltraSparc-IIe";
68		break;
69	case CPU_IMPL_ULTRASPARCIII:
70		impls = "UltraSparc-III";
71		break;
72	case CPU_IMPL_ULTRASPARCIIIp:
73		impls = "UltraSparc-III+";
74		break;
75	case CPU_IMPL_ULTRASPARCIIIi:
76		impls = "UltraSparc-IIIi";
77		break;
78	case CPU_IMPL_ULTRASPARCIV:
79		impls = "UltraSparc-IV";
80		break;
81	case CPU_IMPL_ULTRASPARCIVp:
82		impls = "UltraSparc-IV+";
83		break;
84	case CPU_IMPL_ULTRASPARCIIIip:
85		impls = "UltraSparc-IIIi+";
86		break;
87	default:
88		impls = NULL;
89		break;
90	}
91	if (manus == NULL || impls == NULL) {
92		printf(
93		    "CPU: unknown; please e-mail the following value together\n"
94		    "     with the exact name of your processor to "
95		    "<freebsd-sparc64@FreeBSD.org>.\n"
96		    "     version register: <0x%lx>\n", vers);
97		return;
98	}
99
100	snprintf(cpu_model, sizeof(cpu_model), "%s %s", manus, impls);
101	printf("cpu%d: %s %s Processor (%d.%02d MHz CPU)\n", id, manus, impls,
102	    (freq + 4999) / 1000000, ((freq + 4999) / 10000) % 100);
103	if (bootverbose) {
104		printf("  mask=0x%lx maxtl=%ld maxwin=%ld\n", VER_MASK(vers),
105		    VER_MAXTL(vers), VER_MAXWIN(vers));
106	}
107}
108